MobileCydia.mm

   1 /* Cydia - iPhone UIKit Front-End for Debian APT
   2  * Copyright (C) 2008-2011  Jay Freeman (saurik)
   3 */
   4
   5 /* Modified BSD License {{{ */
   6 /*
   7  *        Redistribution and use in source and binary
   8  * forms, with or without modification, are permitted
   9  * provided that the following conditions are met:
  10  *
  11  * 1. Redistributions of source code must retain the
  12  *    above copyright notice, this list of conditions
  13  *    and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the
  15  *    above copyright notice, this list of conditions
  16  *    and the following disclaimer in the documentation
  17  *    and/or other materials provided with the
  18  *    distribution.
  19  * 3. The name of the author may not be used to endorse
  20  *    or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  25  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  30  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  33  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  34  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37 */
  38 /* }}} */
  39
  40 // XXX: wtf/FastMalloc.h... wtf?
  41 #define USE_SYSTEM_MALLOC 1
  42
  43 /* #include Directives {{{ */
  44 #include "UICaboodle/UCPlatform.h"
  45 #include "UICaboodle/UCLocalize.h"
  46
  47 #include <objc/objc.h>
  48 #include <objc/runtime.h>
  49
  50 #include <CoreGraphics/CoreGraphics.h>
  51 #include <Foundation/Foundation.h>
  52
  53 #if 0
  54 #define DEPLOYMENT_TARGET_MACOSX 1
  55 #define CF_BUILDING_CF 1
  56 #include <CoreFoundation/CFInternal.h>
  57 #endif
  58
  59 #include <CoreFoundation/CFPriv.h>
  60 #include <CoreFoundation/CFUniChar.h>
  61
  62 #include <SystemConfiguration/SystemConfiguration.h>
  63
  64 #include <UIKit/UIKit.h>
  65 #include "iPhonePrivate.h"
  66
  67 #include <IOKit/IOKitLib.h>
  68
  69 #include <WebCore/WebCoreThread.h>
  70
  71 #include <algorithm>
  72 #include <iomanip>
  73 #include <sstream>
  74 #include <string>
  75
  76 #include <ext/stdio_filebuf.h>
  77
  78 #undef ABS
  79
  80 #include <apt-pkg/acquire.h>
  81 #include <apt-pkg/acquire-item.h>
  82 #include <apt-pkg/algorithms.h>
  83 #include <apt-pkg/cachefile.h>
  84 #include <apt-pkg/clean.h>
  85 #include <apt-pkg/configuration.h>
  86 #include <apt-pkg/debindexfile.h>
  87 #include <apt-pkg/debmetaindex.h>
  88 #include <apt-pkg/error.h>
  89 #include <apt-pkg/init.h>
  90 #include <apt-pkg/mmap.h>
  91 #include <apt-pkg/pkgrecords.h>
  92 #include <apt-pkg/sha1.h>
  93 #include <apt-pkg/sourcelist.h>
  94 #include <apt-pkg/sptr.h>
  95 #include <apt-pkg/strutl.h>
  96 #include <apt-pkg/tagfile.h>
  97
  98 #include <apr-1/apr_pools.h>
  99
 100 #include <sys/types.h>
 101 #include <sys/stat.h>
 102 #include <sys/sysctl.h>
 103 #include <sys/param.h>
 104 #include <sys/mount.h>
 105 #include <sys/reboot.h>
 106
 107 #include <fcntl.h>
 108 #include <notify.h>
 109 #include <dlfcn.h>
 110
 111 extern "C" {
 112 #include <mach-o/nlist.h>
 113 }
 114
 115 #include <cstdio>
 116 #include <cstdlib>
 117 #include <cstring>
 118
 119 #include <errno.h>
 120 #include <pcre.h>
 121
 122 #include <Cytore.hpp>
 123
 124 #include "UICaboodle/BrowserView.h"
 125 #include "SDURLCache/SDURLCache.h"
 126
 127 #include "substrate.h"
 128 /* }}} */
 129
 130 /* Profiler {{{ */
 131 struct timeval _ltv;
 132 bool _itv;
 133
 134 #define _timestamp ({ \
 135     struct timeval tv; \
 136     gettimeofday(&tv, NULL); \
 137     tv.tv_sec * 1000000 + tv.tv_usec; \
 138 })
 139
 140 typedef std::vector<class ProfileTime *> TimeList;
 141 TimeList times_;
 142
 143 class ProfileTime {
 144   private:
 145     const char *name_;
 146     uint64_t total_;
 147     uint64_t count_;
 148
 149   public:
 150     ProfileTime(const char *name) :
 151         name_(name),
 152         total_(0)
 153     {
 154         times_.push_back(this);
 155     }
 156
 157     void AddTime(uint64_t time) {
 158         total_ += time;
 159         ++count_;
 160     }
 161
 162     void Print() {
 163         if (total_ != 0)
 164             std::cerr << std::setw(5) << count_ << ", " << std::setw(7) << total_ << " : " << name_ << std::endl;
 165         total_ = 0;
 166         count_ = 0;
 167     }
 168 };
 169
 170 class ProfileTimer {
 171   private:
 172     ProfileTime &time_;
 173     uint64_t start_;
 174
 175   public:
 176     ProfileTimer(ProfileTime &time) :
 177         time_(time),
 178         start_(_timestamp)
 179     {
 180     }
 181
 182     ~ProfileTimer() {
 183         time_.AddTime(_timestamp - start_);
 184     }
 185 };
 186
 187 void PrintTimes() {
 188     for (TimeList::const_iterator i(times_.begin()); i != times_.end(); ++i)
 189         (*i)->Print();
 190     std::cerr << "========" << std::endl;
 191 }
 192
 193 #define _profile(name) { \
 194     static ProfileTime name(#name); \
 195     ProfileTimer _ ## name(name);
 196
 197 #define _end }
 198 /* }}} */
 199
 200 #define _pooled _H<NSAutoreleasePool> _pool([[NSAutoreleasePool alloc] init], true);
 201
 202 #define CYPoolStart() \
 203     NSAutoreleasePool *_pool([[NSAutoreleasePool alloc] init]); \
 204     do
 205 #define CYPoolEnd() \
 206     while (false); \
 207     [_pool release];
 208
 209 #define Cydia_ CYDIA_VERSION
 210
 211 #define lprintf(args...) fprintf(stderr, args)
 212
 213 #define ForRelease 1
 214 #define TraceLogging (1 && !ForRelease)
 215 #define HistogramInsertionSort (!ForRelease ? 0 : 0)
 216 #define ProfileTimes (0 && !ForRelease)
 217 #define ForSaurik (0 && !ForRelease)
 218 #define LogBrowser (0 && !ForRelease)
 219 #define TrackResize (0 && !ForRelease)
 220 #define ManualRefresh (1 && !ForRelease)
 221 #define ShowInternals (0 && !ForRelease)
 222 #define AlwaysReload (0 && !ForRelease)
 223 #define TryIndexedCollation (0 && !ForRelease)
 224
 225 #if !TraceLogging
 226 #undef _trace
 227 #define _trace(args...)
 228 #endif
 229
 230 #if !ProfileTimes
 231 #undef _profile
 232 #define _profile(name) {
 233 #undef _end
 234 #define _end }
 235 #define PrintTimes() do {} while (false)
 236 #endif
 237
 238 // Hash Functions/Structures {{{
 239 extern "C" uint32_t hashlittle(const void *key, size_t length, uint32_t initval = 0);
 240
 241 union SplitHash {
 242     uint32_t u32;
 243     uint16_t u16[2];
 244 };
 245 // }}}
 246
 247 static const NSUInteger UIViewAutoresizingFlexibleBoth(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
 248
 249 static _finline NSString *CydiaURL(NSString *path) {
 250     char page[26];
 251     page[0] = 'h'; page[1] = 't'; page[2] = 't'; page[3] = 'p'; page[4] = 's';
 252     page[5] = ':'; page[6] = '/'; page[7] = '/'; page[8] = 'c'; page[9] = 'y';
 253     page[10] = 'd'; page[11] = 'i'; page[12] = 'a'; page[13] = '.'; page[14] = 's';
 254     page[15] = 'a'; page[16] = 'u'; page[17] = 'r'; page[18] = 'i'; page[19] = 'k';
 255     page[20] = '.'; page[21] = 'c'; page[22] = 'o'; page[23] = 'm'; page[24] = '/';
 256     page[25] = '\0';
 257     return [[NSString stringWithUTF8String:page] stringByAppendingString:path];
 258 }
 259
 260 static _finline void UpdateExternalStatus(uint64_t newStatus) {
 261     int notify_token;
 262     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
 263         notify_set_state(notify_token, newStatus);
 264         notify_cancel(notify_token);
 265     }
 266     notify_post("com.saurik.Cydia.status");
 267 }
 268
 269 /* [NSObject yieldToSelector:(withObject:)] {{{*/
 270 @interface NSObject (Cydia)
 271 - (id) yieldToSelector:(SEL)selector withObject:(id)object;
 272 - (id) yieldToSelector:(SEL)selector;
 273 @end
 274
 275 @implementation NSObject (Cydia)
 276
 277 - (void) doNothing {
 278 }
 279
 280 - (void) _yieldToContext:(NSMutableArray *)context { _pooled
 281     SEL selector(reinterpret_cast<SEL>([[context objectAtIndex:0] pointerValue]));
 282     id object([[context objectAtIndex:1] nonretainedObjectValue]);
 283     volatile bool &stopped(*reinterpret_cast<bool *>([[context objectAtIndex:2] pointerValue]));
 284
 285     /* XXX: deal with exceptions */
 286     id value([self performSelector:selector withObject:object]);
 287
 288     NSMethodSignature *signature([self methodSignatureForSelector:selector]);
 289     [context removeAllObjects];
 290     if ([signature methodReturnLength] != 0 && value != nil)
 291         [context addObject:value];
 292
 293     stopped = true;
 294
 295     [self
 296         performSelectorOnMainThread:@selector(doNothing)
 297         withObject:nil
 298         waitUntilDone:NO
 299     ];
 300 }
 301
 302 - (id) yieldToSelector:(SEL)selector withObject:(id)object {
 303     volatile bool stopped(false);
 304
 305     NSMutableArray *context([NSMutableArray arrayWithObjects:
 306         [NSValue valueWithPointer:selector],
 307         [NSValue valueWithNonretainedObject:object],
 308         [NSValue valueWithPointer:const_cast<bool *>(&stopped)],
 309     nil]);
 310
 311     NSThread *thread([[[NSThread alloc]
 312         initWithTarget:self
 313         selector:@selector(_yieldToContext:)
 314         object:context
 315     ] autorelease]);
 316
 317     [thread start];
 318
 319     NSRunLoop *loop([NSRunLoop currentRunLoop]);
 320     NSDate *future([NSDate distantFuture]);
 321     NSString *mode([loop currentMode] ?: NSDefaultRunLoopMode);
 322
 323 _trace();
 324     while (!stopped && [loop runMode:mode beforeDate:future]);
 325 _trace();
 326
 327     return [context count] == 0 ? nil : [context objectAtIndex:0];
 328 }
 329
 330 - (id) yieldToSelector:(SEL)selector {
 331     return [self yieldToSelector:selector withObject:nil];
 332 }
 333
 334 @end
 335 /* }}} */
 336
 337 /* Cydia Alert View {{{ */
 338 @interface CYAlertView : UIAlertView {
 339     unsigned button_;
 340 }
 341
 342 - (int) yieldToPopupAlertAnimated:(BOOL)animated;
 343
 344 @end
 345
 346 @implementation CYAlertView
 347
 348 - (id) initWithTitle:(NSString *)title buttons:(NSArray *)buttons defaultButtonIndex:(int)index {
 349     if ((self = [super init]) != nil) {
 350         [self setTitle:title];
 351         [self setDelegate:self];
 352         for (NSString *button in buttons) [self addButtonWithTitle:button];
 353         [self setCancelButtonIndex:index];
 354     } return self;
 355 }
 356
 357 - (void) _updateFrameForDisplay {
 358     [super _updateFrameForDisplay];
 359     if ([self cancelButtonIndex] == -1) {
 360         NSArray *buttons = [self buttons];
 361         if ([buttons count]) {
 362             UIImage *background = [[buttons objectAtIndex:0] backgroundForState:0];
 363             for (UIThreePartButton *button in buttons)
 364                 [button setBackground:background forState:0];
 365         }
 366     }
 367 }
 368
 369 - (void) alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
 370     button_ = buttonIndex + 1;
 371 }
 372
 373 - (void) dismiss {
 374     [self dismissWithClickedButtonIndex:-1 animated:YES];
 375 }
 376
 377 - (int) yieldToPopupAlertAnimated:(BOOL)animated {
 378     [self setRunsModal:YES];
 379     button_ = 0;
 380     [self show];
 381     return button_;
 382 }
 383
 384 @end
 385 /* }}} */
 386
 387 /* NSForcedOrderingSearch doesn't work on the iPhone */
 388 static const NSStringCompareOptions MatchCompareOptions_ = NSLiteralSearch | NSCaseInsensitiveSearch;
 389 static const NSStringCompareOptions LaxCompareOptions_ = NSNumericSearch | NSDiacriticInsensitiveSearch | NSWidthInsensitiveSearch | NSCaseInsensitiveSearch;
 390 static const CFStringCompareFlags LaxCompareFlags_ = kCFCompareCaseInsensitive | kCFCompareNonliteral | kCFCompareLocalized | kCFCompareNumerically | kCFCompareWidthInsensitive | kCFCompareForcedOrdering;
 391
 392 /* Radix Sort {{{ */
 393 typedef uint32_t (*SKRadixFunction)(id, void *);
 394
 395 @interface NSMutableArray (Radix)
 396 - (void) radixSortUsingFunction:(SKRadixFunction)function withContext:(void *)argument;
 397 @end
 398
 399 struct RadixItem_ {
 400     size_t index;
 401     uint32_t key;
 402 };
 403
 404 @implementation NSMutableArray (Radix)
 405
 406 - (void) radixSortUsingFunction:(SKRadixFunction)function withContext:(void *)argument {
 407     size_t count([self count]);
 408     struct RadixItem_ *swap(new RadixItem_[count * 2]);
 409
 410     for (size_t i(0); i != count; ++i) {
 411         RadixItem_ &item(swap[i]);
 412         item.index = i;
 413
 414         id object([self objectAtIndex:i]);
 415         item.key = function(object, argument);
 416     }
 417
 418     struct RadixItem_ *lhs(swap), *rhs(swap + count);
 419
 420     static const size_t width = 32;
 421     static const size_t bits = 11;
 422     static const size_t slots = 1 << bits;
 423     static const size_t passes = (width + (bits - 1)) / bits;
 424
 425     size_t *hist(new size_t[slots]);
 426
 427     for (size_t pass(0); pass != passes; ++pass) {
 428         memset(hist, 0, sizeof(size_t) * slots);
 429
 430         for (size_t i(0); i != count; ++i) {
 431             uint32_t key(lhs[i].key);
 432             key >>= pass * bits;
 433             key &= _not(uint32_t) >> width - bits;
 434             ++hist[key];
 435         }
 436
 437         size_t offset(0);
 438         for (size_t i(0); i != slots; ++i) {
 439             size_t local(offset);
 440             offset += hist[i];
 441             hist[i] = local;
 442         }
 443
 444         for (size_t i(0); i != count; ++i) {
 445             uint32_t key(lhs[i].key);
 446             key >>= pass * bits;
 447             key &= _not(uint32_t) >> width - bits;
 448             rhs[hist[key]++] = lhs[i];
 449         }
 450
 451         RadixItem_ *tmp(lhs);
 452         lhs = rhs;
 453         rhs = tmp;
 454     }
 455
 456     delete [] hist;
 457
 458     const void **values(new const void *[count]);
 459     for (size_t i(0); i != count; ++i)
 460         values[i] = [self objectAtIndex:lhs[i].index];
 461     CFArrayReplaceValues((CFMutableArrayRef) self, CFRangeMake(0, count), values, count);
 462     delete [] values;
 463
 464     delete [] swap;
 465 }
 466
 467 @end
 468 /* }}} */
 469 /* Insertion Sort {{{ */
 470
 471 CFIndex SKBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 472     const char *ptr = (const char *)list;
 473     while (0 < count) {
 474         CFIndex half = count / 2;
 475         const char *probe = ptr + elementSize * half;
 476         CFComparisonResult cr = comparator(element, probe, context);
 477     if (0 == cr) return (probe - (const char *)list) / elementSize;
 478         ptr = (cr < 0) ? ptr : probe + elementSize;
 479         count = (cr < 0) ? half : (half + (count & 1) - 1);
 480     }
 481     return (ptr - (const char *)list) / elementSize;
 482 }
 483
 484 CFIndex CFBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 485     const char *ptr = (const char *)list;
 486     while (0 < count) {
 487         CFIndex half = count / 2;
 488         const char *probe = ptr + elementSize * half;
 489         CFComparisonResult cr = comparator(element, probe, context);
 490     if (0 == cr) return (probe - (const char *)list) / elementSize;
 491         ptr = (cr < 0) ? ptr : probe + elementSize;
 492         count = (cr < 0) ? half : (half + (count & 1) - 1);
 493     }
 494     return (ptr - (const char *)list) / elementSize;
 495 }
 496
 497 void CFArrayInsertionSortValues(CFMutableArrayRef array, CFRange range, CFComparatorFunction comparator, void *context) {
 498     if (range.length == 0)
 499         return;
 500     const void **values(new const void *[range.length]);
 501     CFArrayGetValues(array, range, values);
 502
 503 #if HistogramInsertionSort > 0
 504     uint32_t total(0), *offsets(new uint32_t[range.length]);
 505 #endif
 506
 507     for (CFIndex index(1); index != range.length; ++index) {
 508         const void *value(values[index]);
 509         //CFIndex correct(SKBSearch_(&value, sizeof(const void *), values, index, comparator, context));
 510         CFIndex correct(index);
 511         while (comparator(value, values[correct - 1], context) == kCFCompareLessThan) {
 512 #if HistogramInsertionSort > 1
 513             NSLog(@"%@ < %@", value, values[correct - 1]);
 514 #endif
 515             if (--correct == 0)
 516                 break;
 517         }
 518         if (correct != index) {
 519             size_t offset(index - correct);
 520 #if HistogramInsertionSort
 521             total += offset;
 522             ++offsets[offset];
 523             if (offset > 10)
 524                 NSLog(@"Heavy Insertion Displacement: %u = %@", offset, value);
 525 #endif
 526             memmove(values + correct + 1, values + correct, sizeof(const void *) * offset);
 527             values[correct] = value;
 528         }
 529     }
 530
 531     CFArrayReplaceValues(array, range, values, range.length);
 532     delete [] values;
 533
 534 #if HistogramInsertionSort > 0
 535     for (CFIndex index(0); index != range.length; ++index)
 536         if (offsets[index] != 0)
 537             NSLog(@"Insertion Displacement [%u]: %u", index, offsets[index]);
 538     NSLog(@"Average Insertion Displacement: %f", double(total) / range.length);
 539     delete [] offsets;
 540 #endif
 541 }
 542
 543 /* }}} */
 544
 545 /* Apple Bug Fixes {{{ */
 546 @implementation UIWebDocumentView (Cydia)
 547
 548 - (void) _setScrollerOffset:(CGPoint)offset {
 549     UIScroller *scroller([self _scroller]);
 550
 551     CGSize size([scroller contentSize]);
 552     CGSize bounds([scroller bounds].size);
 553
 554     CGPoint max;
 555     max.x = size.width - bounds.width;
 556     max.y = size.height - bounds.height;
 557
 558     // wtf Apple?!
 559     if (max.x < 0)
 560         max.x = 0;
 561     if (max.y < 0)
 562         max.y = 0;
 563
 564     offset.x = offset.x < 0 ? 0 : offset.x > max.x ? max.x : offset.x;
 565     offset.y = offset.y < 0 ? 0 : offset.y > max.y ? max.y : offset.y;
 566
 567     [scroller setOffset:offset];
 568 }
 569
 570 @end
 571 /* }}} */
 572
 573 @interface NSInvocation (Cydia)
 574 + (NSInvocation *) invocationWithSelector:(SEL)selector forTarget:(id)target;
 575 @end
 576
 577 @implementation NSInvocation (Cydia)
 578
 579 + (NSInvocation *) invocationWithSelector:(SEL)selector forTarget:(id)target {
 580     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[target methodSignatureForSelector:selector]]);
 581     [invocation setTarget:target];
 582     [invocation setSelector:selector];
 583     return invocation;
 584 }
 585
 586 @end
 587
 588 @implementation WebScriptObject (NSFastEnumeration)
 589
 590 - (NSUInteger) countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)objects count:(NSUInteger)count {
 591     size_t length([self count] - state->state);
 592     if (length <= 0)
 593         return 0;
 594     else if (length > count)
 595         length = count;
 596     for (size_t i(0); i != length; ++i)
 597         objects[i] = [self objectAtIndex:state->state++];
 598     state->itemsPtr = objects;
 599     state->mutationsPtr = (unsigned long *) self;
 600     return length;
 601 }
 602
 603 @end
 604
 605 NSUInteger DOMNodeList$countByEnumeratingWithState$objects$count$(DOMNodeList *self, SEL sel, NSFastEnumerationState *state, id *objects, NSUInteger count) {
 606     size_t length([self length] - state->state);
 607     if (length <= 0)
 608         return 0;
 609     else if (length > count)
 610         length = count;
 611     for (size_t i(0); i != length; ++i)
 612         objects[i] = [self item:state->state++];
 613     state->itemsPtr = objects;
 614     state->mutationsPtr = (unsigned long *) self;
 615     return length;
 616 }
 617
 618 /* Cydia NSString Additions {{{ */
 619 @interface NSString (Cydia)
 620 + (NSString *) stringWithUTF8BytesNoCopy:(const char *)bytes length:(int)length;
 621 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length withZone:(NSZone *)zone inPool:(apr_pool_t *)pool;
 622 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length;
 623 - (NSComparisonResult) compareByPath:(NSString *)other;
 624 - (NSString *) stringByCachingURLWithCurrentCDN;
 625 - (NSString *) stringByAddingPercentEscapesIncludingReserved;
 626 @end
 627
 628 @implementation NSString (Cydia)
 629
 630 + (NSString *) stringWithUTF8BytesNoCopy:(const char *)bytes length:(int)length {
 631     return [[[NSString alloc] initWithBytesNoCopy:const_cast<char *>(bytes) length:length encoding:NSUTF8StringEncoding freeWhenDone:NO] autorelease];
 632 }
 633
 634 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length withZone:(NSZone *)zone inPool:(apr_pool_t *)pool {
 635     char *data(reinterpret_cast<char *>(apr_palloc(pool, length)));
 636     memcpy(data, bytes, length);
 637     return [[[NSString allocWithZone:zone] initWithBytesNoCopy:data length:length encoding:NSUTF8StringEncoding freeWhenDone:NO] autorelease];
 638 }
 639
 640 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length {
 641     return [[[NSString alloc] initWithBytes:bytes length:length encoding:NSUTF8StringEncoding] autorelease];
 642 }
 643
 644 - (NSComparisonResult) compareByPath:(NSString *)other {
 645     NSString *prefix = [self commonPrefixWithString:other options:0];
 646     size_t length = [prefix length];
 647
 648     NSRange lrange = NSMakeRange(length, [self length] - length);
 649     NSRange rrange = NSMakeRange(length, [other length] - length);
 650
 651     lrange = [self rangeOfString:@"/" options:0 range:lrange];
 652     rrange = [other rangeOfString:@"/" options:0 range:rrange];
 653
 654     NSComparisonResult value;
 655
 656     if (lrange.location == NSNotFound && rrange.location == NSNotFound)
 657         value = NSOrderedSame;
 658     else if (lrange.location == NSNotFound)
 659         value = NSOrderedAscending;
 660     else if (rrange.location == NSNotFound)
 661         value = NSOrderedDescending;
 662     else
 663         value = NSOrderedSame;
 664
 665     NSString *lpath = lrange.location == NSNotFound ? [self substringFromIndex:length] :
 666         [self substringWithRange:NSMakeRange(length, lrange.location - length)];
 667     NSString *rpath = rrange.location == NSNotFound ? [other substringFromIndex:length] :
 668         [other substringWithRange:NSMakeRange(length, rrange.location - length)];
 669
 670     NSComparisonResult result = [lpath compare:rpath];
 671     return result == NSOrderedSame ? value : result;
 672 }
 673
 674 - (NSString *) stringByCachingURLWithCurrentCDN {
 675     return [self
 676         stringByReplacingOccurrencesOfString:@"://cydia.saurik.com/"
 677         withString:@"://cache.cydia.saurik.com/"
 678     ];
 679 }
 680
 681 - (NSString *) stringByAddingPercentEscapesIncludingReserved {
 682     return [(id)CFURLCreateStringByAddingPercentEscapes(
 683         kCFAllocatorDefault,
 684         (CFStringRef) self,
 685         NULL,
 686         CFSTR(";/?:@&=+$,"),
 687         kCFStringEncodingUTF8
 688     ) autorelease];
 689 }
 690
 691 @end
 692 /* }}} */
 693
 694 /* C++ NSString Wrapper Cache {{{ */
 695 static _finline CFStringRef CYStringCreate(const char *data, size_t size) {
 696     return size == 0 ? NULL :
 697         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingUTF8, NO, kCFAllocatorNull) ?:
 698         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingISOLatin1, NO, kCFAllocatorNull);
 699 }
 700
 701 static _finline CFStringRef CYStringCreate(const char *data) {
 702     return CYStringCreate(data, strlen(data));
 703 }
 704
 705 class CYString {
 706   private:
 707     char *data_;
 708     size_t size_;
 709     CFStringRef cache_;
 710
 711     _finline void clear_() {
 712         if (cache_ != NULL) {
 713             CFRelease(cache_);
 714             cache_ = NULL;
 715         }
 716     }
 717
 718   public:
 719     _finline bool empty() const {
 720         return size_ == 0;
 721     }
 722
 723     _finline size_t size() const {
 724         return size_;
 725     }
 726
 727     _finline char *data() const {
 728         return data_;
 729     }
 730
 731     _finline void clear() {
 732         size_ = 0;
 733         clear_();
 734     }
 735
 736     _finline CYString() :
 737         data_(0),
 738         size_(0),
 739         cache_(NULL)
 740     {
 741     }
 742
 743     _finline ~CYString() {
 744         clear_();
 745     }
 746
 747     void operator =(const CYString &rhs) {
 748         data_ = rhs.data_;
 749         size_ = rhs.size_;
 750
 751         if (rhs.cache_ == nil)
 752             cache_ = NULL;
 753         else
 754             cache_ = reinterpret_cast<CFStringRef>(CFRetain(rhs.cache_));
 755     }
 756
 757     void copy(apr_pool_t *pool) {
 758         char *temp(reinterpret_cast<char *>(apr_palloc(pool, size_ + 1)));
 759         memcpy(temp, data_, size_);
 760         temp[size_] = '\0';
 761         data_ = temp;
 762     }
 763
 764     void set(apr_pool_t *pool, const char *data, size_t size) {
 765         if (size == 0)
 766             clear();
 767         else {
 768             clear_();
 769
 770             data_ = const_cast<char *>(data);
 771             size_ = size;
 772
 773             if (pool != NULL)
 774                 copy(pool);
 775         }
 776     }
 777
 778     _finline void set(apr_pool_t *pool, const char *data) {
 779         set(pool, data, data == NULL ? 0 : strlen(data));
 780     }
 781
 782     _finline void set(apr_pool_t *pool, const std::string &rhs) {
 783         set(pool, rhs.data(), rhs.size());
 784     }
 785
 786     bool operator ==(const CYString &rhs) const {
 787         return size_ == rhs.size_ && memcmp(data_, rhs.data_, size_) == 0;
 788     }
 789
 790     _finline operator CFStringRef() {
 791         if (cache_ == NULL)
 792             cache_ = CYStringCreate(data_, size_);
 793         return cache_;
 794     }
 795
 796     _finline operator id() {
 797         return (NSString *) static_cast<CFStringRef>(*this);
 798     }
 799
 800     _finline operator const char *() {
 801         return reinterpret_cast<const char *>(data_);
 802     }
 803 };
 804 /* }}} */
 805 /* C++ NSString Algorithm Adapters {{{ */
 806 extern "C" {
 807     CF_EXPORT CFHashCode CFStringHashNSString(CFStringRef str);
 808 }
 809
 810 struct NSStringMapHash :
 811     std::unary_function<NSString *, size_t>
 812 {
 813     _finline size_t operator ()(NSString *value) const {
 814         return CFStringHashNSString((CFStringRef) value);
 815     }
 816 };
 817
 818 struct NSStringMapLess :
 819     std::binary_function<NSString *, NSString *, bool>
 820 {
 821     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 822         return [lhs compare:rhs] == NSOrderedAscending;
 823     }
 824 };
 825
 826 struct NSStringMapEqual :
 827     std::binary_function<NSString *, NSString *, bool>
 828 {
 829     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 830         return CFStringCompare((CFStringRef) lhs, (CFStringRef) rhs, 0) == kCFCompareEqualTo;
 831         //CFEqual((CFTypeRef) lhs, (CFTypeRef) rhs);
 832         //[lhs isEqualToString:rhs];
 833     }
 834 };
 835 /* }}} */
 836
 837 /* Perl-Compatible RegEx {{{ */
 838 class Pcre {
 839   private:
 840     pcre *code_;
 841     pcre_extra *study_;
 842     int capture_;
 843     int *matches_;
 844     const char *data_;
 845
 846   public:
 847     Pcre() :
 848         code_(NULL),
 849         study_(NULL)
 850     {
 851     }
 852
 853     Pcre(const char *regex) :
 854         code_(NULL),
 855         study_(NULL)
 856     {
 857         this->operator =(regex);
 858     }
 859
 860     void operator =(const char *regex) {
 861         _assert(code_ == NULL);
 862
 863         const char *error;
 864         int offset;
 865         code_ = pcre_compile(regex, 0, &error, &offset, NULL);
 866
 867         if (code_ == NULL) {
 868             lprintf("%d:%s\n", offset, error);
 869             _assert(false);
 870         }
 871
 872         pcre_fullinfo(code_, study_, PCRE_INFO_CAPTURECOUNT, &capture_);
 873         matches_ = new int[(capture_ + 1) * 3];
 874     }
 875
 876     ~Pcre() {
 877         pcre_free(code_);
 878         delete matches_;
 879     }
 880
 881     NSString *operator [](size_t match) {
 882         return [NSString stringWithUTF8Bytes:(data_ + matches_[match * 2]) length:(matches_[match * 2 + 1] - matches_[match * 2])];
 883     }
 884
 885     bool operator ()(NSString *data) {
 886         // XXX: length is for characters, not for bytes
 887         return operator ()([data UTF8String], [data length]);
 888     }
 889
 890     bool operator ()(const char *data, size_t size) {
 891         data_ = data;
 892         return pcre_exec(code_, study_, data, size, 0, 0, matches_, (capture_ + 1) * 3) >= 0;
 893     }
 894
 895     _finline size_t size() const {
 896         return capture_;
 897     }
 898 };
 899 /* }}} */
 900 /* Mime Addresses {{{ */
 901 @interface Address : NSObject {
 902     NSString *name_;
 903     NSString *address_;
 904 }
 905
 906 - (NSString *) name;
 907 - (NSString *) address;
 908
 909 - (void) setAddress:(NSString *)address;
 910
 911 + (Address *) addressWithString:(NSString *)string;
 912 - (Address *) initWithString:(NSString *)string;
 913
 914 @end
 915
 916 @implementation Address
 917
 918 - (void) dealloc {
 919     [name_ release];
 920     if (address_ != nil)
 921         [address_ release];
 922     [super dealloc];
 923 }
 924
 925 - (NSString *) name {
 926     return name_;
 927 }
 928
 929 - (NSString *) address {
 930     return address_;
 931 }
 932
 933 - (void) setAddress:(NSString *)address {
 934     if (address_ != nil)
 935         [address_ autorelease];
 936     if (address == nil)
 937         address_ = nil;
 938     else
 939         address_ = [address retain];
 940 }
 941
 942 + (Address *) addressWithString:(NSString *)string {
 943     return [[[Address alloc] initWithString:string] autorelease];
 944 }
 945
 946 + (NSArray *) _attributeKeys {
 947     return [NSArray arrayWithObjects:
 948         @"address",
 949         @"name",
 950     nil];
 951 }
 952
 953 - (NSArray *) attributeKeys {
 954     return [[self class] _attributeKeys];
 955 }
 956
 957 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
 958     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
 959 }
 960
 961 - (Address *) initWithString:(NSString *)string {
 962     if ((self = [super init]) != nil) {
 963         const char *data = [string UTF8String];
 964         size_t size = [string length];
 965
 966         static Pcre address_r("^\"?(.*)\"? <([^>]*)>$");
 967
 968         if (address_r(data, size)) {
 969             name_ = [address_r[1] retain];
 970             address_ = [address_r[2] retain];
 971         } else {
 972             name_ = [string retain];
 973             address_ = nil;
 974         }
 975     } return self;
 976 }
 977
 978 @end
 979 /* }}} */
 980 /* CoreGraphics Primitives {{{ */
 981 class CYColor {
 982   private:
 983     CGColorRef color_;
 984
 985     static CGColorRef Create_(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 986         CGFloat color[] = {red, green, blue, alpha};
 987         return CGColorCreate(space, color);
 988     }
 989
 990   public:
 991     CYColor() :
 992         color_(NULL)
 993     {
 994     }
 995
 996     CYColor(CGColorSpaceRef space, float red, float green, float blue, float alpha) :
 997         color_(Create_(space, red, green, blue, alpha))
 998     {
 999         Set(space, red, green, blue, alpha);
1000     }
1001
1002     void Clear() {
1003         if (color_ != NULL)
1004             CGColorRelease(color_);
1005     }
1006
1007     ~CYColor() {
1008         Clear();
1009     }
1010
1011     void Set(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
1012         Clear();
1013         color_ = Create_(space, red, green, blue, alpha);
1014     }
1015
1016     operator CGColorRef() {
1017         return color_;
1018     }
1019 };
1020 /* }}} */
1021
1022 /* Random Global Variables {{{ */
1023 static const int PulseInterval_ = 50000;
1024
1025 static const NSString *UI_;
1026
1027 static int Finish_;
1028 static bool RestartSubstrate_;
1029 static NSArray *Finishes_;
1030
1031 #define SpringBoard_ "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist"
1032 #define NotifyConfig_ "/etc/notify.conf"
1033
1034 static bool Queuing_;
1035
1036 static CYColor Blue_;
1037 static CYColor Blueish_;
1038 static CYColor Black_;
1039 static CYColor Off_;
1040 static CYColor White_;
1041 static CYColor Gray_;
1042 static CYColor Green_;
1043 static CYColor Purple_;
1044 static CYColor Purplish_;
1045
1046 static UIColor *InstallingColor_;
1047 static UIColor *RemovingColor_;
1048
1049 static NSString *App_;
1050
1051 static BOOL Advanced_;
1052 static BOOL Ignored_;
1053
1054 static UIFont *Font12_;
1055 static UIFont *Font12Bold_;
1056 static UIFont *Font14_;
1057 static UIFont *Font18Bold_;
1058 static UIFont *Font22Bold_;
1059
1060 static const char *Machine_ = NULL;
1061 static NSString *System_ = nil;
1062 static NSString *SerialNumber_ = nil;
1063 static NSString *ChipID_ = nil;
1064 static _H<NSString> Token_;
1065 static NSString *UniqueID_ = nil;
1066 static NSString *PLMN_ = nil;
1067 static NSString *Build_ = nil;
1068 static NSString *Product_ = nil;
1069 static NSString *Safari_ = nil;
1070
1071 static CFLocaleRef Locale_;
1072 static NSArray *Languages_;
1073 static CGColorSpaceRef space_;
1074
1075 static NSDictionary *SectionMap_;
1076 static NSMutableDictionary *Metadata_;
1077 static _transient NSMutableDictionary *Settings_;
1078 static _transient NSString *Role_;
1079 static _transient NSMutableDictionary *Packages_;
1080 static _transient NSMutableDictionary *Sections_;
1081 static _transient NSMutableDictionary *Sources_;
1082 static bool Changed_;
1083 static time_t now_;
1084
1085 bool IsWildcat_;
1086 static CGFloat ScreenScale_;
1087 static NSString *Idiom_;
1088
1089 static NSMutableSet *BridgedHosts_;
1090
1091 static NSString *kCydiaProgressEventTypeError = @"Error";
1092 static NSString *kCydiaProgressEventTypeInformation = @"Information";
1093 static NSString *kCydiaProgressEventTypeStatus = @"Status";
1094 static NSString *kCydiaProgressEventTypeWarning = @"Warning";
1095 /* }}} */
1096
1097 /* Display Helpers {{{ */
1098 inline float Interpolate(float begin, float end, float fraction) {
1099     return (end - begin) * fraction + begin;
1100 }
1101
1102 static _finline const char *StripVersion_(const char *version) {
1103     const char *colon(strchr(version, ':'));
1104     return colon == NULL ? version : colon + 1;
1105 }
1106
1107 NSString *LocalizeSection(NSString *section) {
1108     static Pcre title_r("^(.*?) \\((.*)\\)$");
1109     if (title_r(section)) {
1110         NSString *parent(title_r[1]);
1111         NSString *child(title_r[2]);
1112
1113         return [NSString stringWithFormat:UCLocalize("PARENTHETICAL"),
1114             LocalizeSection(parent),
1115             LocalizeSection(child)
1116         ];
1117     }
1118
1119     return [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
1120 }
1121
1122 NSString *Simplify(NSString *title) {
1123     const char *data = [title UTF8String];
1124     size_t size = [title length];
1125
1126     static Pcre square_r("^\\[(.*)\\]$");
1127     if (square_r(data, size))
1128         return Simplify(square_r[1]);
1129
1130     static Pcre paren_r("^\\((.*)\\)$");
1131     if (paren_r(data, size))
1132         return Simplify(paren_r[1]);
1133
1134     static Pcre title_r("^(.*?) \\((.*)\\)$");
1135     if (title_r(data, size))
1136         return Simplify(title_r[1]);
1137
1138     return title;
1139 }
1140 /* }}} */
1141
1142 NSString *GetLastUpdate() {
1143     NSDate *update = [Metadata_ objectForKey:@"LastUpdate"];
1144
1145     if (update == nil)
1146         return UCLocalize("NEVER_OR_UNKNOWN");
1147
1148     CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
1149     CFStringRef formatted = CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) update);
1150
1151     CFRelease(formatter);
1152
1153     return [(NSString *) formatted autorelease];
1154 }
1155
1156 bool isSectionVisible(NSString *section) {
1157     NSDictionary *metadata([Sections_ objectForKey:(section ?: @"")]);
1158     NSNumber *hidden(metadata == nil ? nil : [metadata objectForKey:@"Hidden"]);
1159     return hidden == nil || ![hidden boolValue];
1160 }
1161
1162 @class Cydia;
1163
1164 /* Delegate Prototypes {{{ */
1165 @class Package;
1166 @class Source;
1167 @class CydiaProgressEvent;
1168
1169 @protocol DatabaseDelegate
1170 - (void) repairWithSelector:(SEL)selector;
1171 - (void) setConfigurationData:(NSString *)data;
1172 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task;
1173 @end
1174
1175 @class CYPackageController;
1176
1177 @protocol CydiaDelegate
1178 - (void) retainNetworkActivityIndicator;
1179 - (void) releaseNetworkActivityIndicator;
1180 - (void) clearPackage:(Package *)package;
1181 - (void) installPackage:(Package *)package;
1182 - (void) installPackages:(NSArray *)packages;
1183 - (void) removePackage:(Package *)package;
1184 - (void) beginUpdate;
1185 - (BOOL) updating;
1186 - (void) distUpgrade;
1187 - (void) loadData;
1188 - (void) updateData;
1189 - (void) syncData;
1190 - (void) addTrivialSource:(NSString *)href;
1191 - (void) showSettings;
1192 - (UIProgressHUD *) addProgressHUD;
1193 - (void) removeProgressHUD:(UIProgressHUD *)hud;
1194 - (CYViewController *) pageForPackage:(NSString *)name;
1195 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item;
1196 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
1197 - (void) addBridgedHost:(NSString *)host;
1198 @end
1199 /* }}} */
1200
1201 /* ProgressEvent Interface/Delegate {{{ */
1202 @interface CydiaProgressEvent : NSObject {
1203     _H<NSString> message_;
1204     _H<NSString> type_;
1205
1206     _H<NSArray> item_;
1207     _H<NSString> package_;
1208     _H<NSString> url_;
1209     _H<NSString> version_;
1210 }
1211
1212 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type;
1213 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package;
1214 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forItem:(pkgAcquire::ItemDesc &)item;
1215
1216 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type;
1217
1218 - (NSString *) message;
1219 - (NSString *) type;
1220
1221 - (NSArray *) item;
1222 - (NSString *) package;
1223 - (NSString *) url;
1224 - (NSString *) version;
1225
1226 - (void) setItem:(NSArray *)item;
1227 - (void) setPackage:(NSString *)package;
1228 - (void) setURL:(NSString *)url;
1229 - (void) setVersion:(NSString *)version;
1230
1231 - (NSString *) compound:(NSString *)value;
1232 - (NSString *) compoundMessage;
1233 - (NSString *) compoundTitle;
1234
1235 @end
1236
1237 @protocol ProgressDelegate
1238 - (void) addProgressEvent:(CydiaProgressEvent *)event;
1239 - (void) setProgressPercent:(NSNumber *)percent;
1240 - (void) setProgressStatus:(NSDictionary *)status;
1241 - (void) setProgressCancellable:(NSNumber *)cancellable;
1242 - (bool) isProgressCancelled;
1243 - (void) setTitle:(NSString *)title;
1244 @end
1245 /* }}} */
1246 /* Status Delegation {{{ */
1247 class Status :
1248     public pkgAcquireStatus
1249 {
1250   private:
1251     _transient NSObject<ProgressDelegate> *delegate_;
1252     bool cancelled_;
1253
1254   public:
1255     Status() :
1256         delegate_(nil),
1257         cancelled_(false)
1258     {
1259     }
1260
1261     void setDelegate(NSObject<ProgressDelegate> *delegate) {
1262         delegate_ = delegate;
1263     }
1264
1265     NSObject<ProgressDelegate> *getDelegate() const {
1266         return delegate_;
1267     }
1268
1269     virtual bool MediaChange(std::string media, std::string drive) {
1270         return false;
1271     }
1272
1273     virtual void IMSHit(pkgAcquire::ItemDesc &item) {
1274     }
1275
1276     virtual void Fetch(pkgAcquire::ItemDesc &item) {
1277         NSString *name([NSString stringWithUTF8String:item.ShortDesc.c_str()]);
1278         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:UCLocalize("DOWNLOADING_"), name] ofType:kCydiaProgressEventTypeStatus forItem:item]);
1279         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
1280     }
1281
1282     virtual void Done(pkgAcquire::ItemDesc &item) {
1283     }
1284
1285     virtual void Fail(pkgAcquire::ItemDesc &item) {
1286         if (
1287             item.Owner->Status == pkgAcquire::Item::StatIdle ||
1288             item.Owner->Status == pkgAcquire::Item::StatDone
1289         )
1290             return;
1291
1292         std::string &error(item.Owner->ErrorText);
1293         if (error.empty())
1294             return;
1295
1296         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:kCydiaProgressEventTypeError forItem:item]);
1297         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
1298     }
1299
1300     virtual bool Pulse(pkgAcquire *Owner) {
1301         bool value = pkgAcquireStatus::Pulse(Owner);
1302
1303         double percent(
1304             double(CurrentBytes + CurrentItems) /
1305             double(TotalBytes + TotalItems)
1306         );
1307
1308         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:[NSDictionary dictionaryWithObjectsAndKeys:
1309             [NSNumber numberWithDouble:percent], @"Percent",
1310
1311             [NSNumber numberWithDouble:CurrentBytes], @"Current",
1312             [NSNumber numberWithDouble:TotalBytes], @"Total",
1313             [NSNumber numberWithDouble:CurrentCPS], @"Speed",
1314         nil] waitUntilDone:YES];
1315
1316         if (value && ![delegate_ isProgressCancelled])
1317             return true;
1318         else {
1319             cancelled_ = true;
1320             return false;
1321         }
1322     }
1323
1324     _finline bool WasCancelled() const {
1325         return cancelled_;
1326     }
1327
1328     virtual void Start() {
1329         pkgAcquireStatus::Start();
1330         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:YES] waitUntilDone:YES];
1331     }
1332
1333     virtual void Stop() {
1334         pkgAcquireStatus::Stop();
1335         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:NO] waitUntilDone:YES];
1336         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:nil waitUntilDone:YES];
1337     }
1338 };
1339 /* }}} */
1340 /* Database Interface {{{ */
1341 typedef std::map< unsigned long, _H<Source> > SourceMap;
1342
1343 @interface Database : NSObject {
1344     NSZone *zone_;
1345     apr_pool_t *pool_;
1346
1347     unsigned era_;
1348
1349     pkgCacheFile cache_;
1350     pkgDepCache::Policy *policy_;
1351     pkgRecords *records_;
1352     pkgProblemResolver *resolver_;
1353     pkgAcquire *fetcher_;
1354     FileFd *lock_;
1355     SPtr<pkgPackageManager> manager_;
1356     pkgSourceList *list_;
1357
1358     SourceMap sourceMap_;
1359     NSMutableArray *sourceList_;
1360
1361     CFMutableArrayRef packages_;
1362
1363     _transient NSObject<DatabaseDelegate> *delegate_;
1364     _transient NSObject<ProgressDelegate> *progress_;
1365
1366     Status status_;
1367
1368     int cydiafd_;
1369     int statusfd_;
1370     FILE *input_;
1371
1372     std::map<const char *, _H<NSString> > sections_;
1373 }
1374
1375 + (Database *) sharedInstance;
1376 - (unsigned) era;
1377
1378 - (void) _readCydia:(NSNumber *)fd;
1379 - (void) _readStatus:(NSNumber *)fd;
1380 - (void) _readOutput:(NSNumber *)fd;
1381
1382 - (FILE *) input;
1383
1384 - (Package *) packageWithName:(NSString *)name;
1385
1386 - (pkgCacheFile &) cache;
1387 - (pkgDepCache::Policy *) policy;
1388 - (pkgRecords *) records;
1389 - (pkgProblemResolver *) resolver;
1390 - (pkgAcquire &) fetcher;
1391 - (pkgSourceList &) list;
1392 - (NSArray *) packages;
1393 - (NSArray *) sources;
1394 - (Source *) sourceWithKey:(NSString *)key;
1395 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
1396
1397 - (void) configure;
1398 - (bool) prepare;
1399 - (void) perform;
1400 - (bool) upgrade;
1401 - (void) update;
1402
1403 - (void) updateWithStatus:(Status &)status;
1404
1405 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate;
1406
1407 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate;
1408 - (NSObject<ProgressDelegate> *) progressDelegate;
1409
1410 - (Source *) getSource:(pkgCache::PkgFileIterator)file;
1411
1412 - (NSString *) mappedSectionForPointer:(const char *)pointer;
1413
1414 @end
1415 /* }}} */
1416 /* ProgressEvent Implementation {{{ */
1417 @implementation CydiaProgressEvent
1418
1419 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type {
1420     return [[[CydiaProgressEvent alloc] initWithMessage:message ofType:type] autorelease];
1421 }
1422
1423 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package {
1424     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1425     [event setPackage:package];
1426     return event;
1427 }
1428
1429 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forItem:(pkgAcquire::ItemDesc &)item {
1430     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1431
1432     NSString *description([NSString stringWithUTF8String:item.Description.c_str()]);
1433     NSArray *fields([description componentsSeparatedByString:@" "]);
1434     [event setItem:fields];
1435
1436     if ([fields count] > 3) {
1437         [event setPackage:[fields objectAtIndex:2]];
1438         [event setVersion:[fields objectAtIndex:3]];
1439     }
1440
1441     [event setURL:[NSString stringWithUTF8String:item.URI.c_str()]];
1442
1443     return event;
1444 }
1445
1446 + (NSArray *) _attributeKeys {
1447     return [NSArray arrayWithObjects:
1448         @"item",
1449         @"message",
1450         @"package",
1451         @"type",
1452         @"url",
1453         @"version",
1454     nil];
1455 }
1456
1457 - (NSArray *) attributeKeys {
1458     return [[self class] _attributeKeys];
1459 }
1460
1461 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1462     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1463 }
1464
1465 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type {
1466     if ((self = [super init]) != nil) {
1467         message_ = message;
1468         type_ = type;
1469     } return self;
1470 }
1471
1472 - (NSString *) message {
1473     return message_;
1474 }
1475
1476 - (NSString *) type {
1477     return type_;
1478 }
1479
1480 - (NSArray *) item {
1481     return (id) item_ ?: [NSNull null];
1482 }
1483
1484 - (void) setItem:(NSArray *)item {
1485     item_ = item;
1486 }
1487
1488 - (NSString *) package {
1489     return (id) package_ ?: [NSNull null];
1490 }
1491
1492 - (void) setPackage:(NSString *)package {
1493     package_ = package;
1494 }
1495
1496 - (NSString *) url {
1497     return (id) url_ ?: [NSNull null];
1498 }
1499
1500 - (void) setURL:(NSString *)url {
1501     url_ = url;
1502 }
1503
1504 - (void) setVersion:(NSString *)version {
1505     version_ = version;
1506 }
1507
1508 - (NSString *) version {
1509     return (id) version_ ?: [NSNull null];
1510 }
1511
1512 - (NSString *) compound:(NSString *)value {
1513     if (value != nil) {
1514         NSString *mode(nil); {
1515             NSString *type([self type]);
1516             if ([type isEqualToString:kCydiaProgressEventTypeError])
1517                 mode = UCLocalize("ERROR");
1518             else if ([type isEqualToString:kCydiaProgressEventTypeWarning])
1519                 mode = UCLocalize("WARNING");
1520         }
1521
1522         if (mode != nil)
1523             value = [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), mode, value];
1524     }
1525
1526     return value;
1527 }
1528
1529 - (NSString *) compoundMessage {
1530     return [self compound:[self message]];
1531 }
1532
1533 - (NSString *) compoundTitle {
1534     NSString *title;
1535
1536     if (package_ == nil)
1537         title = nil;
1538     else if (Package *package = [[Database sharedInstance] packageWithName:package_])
1539         title = [package name];
1540     else
1541         title = package_;
1542
1543     return [self compound:title];
1544 }
1545
1546 @end
1547 /* }}} */
1548
1549 // Cytore Definitions {{{
1550 struct PackageValue :
1551     Cytore::Block
1552 {
1553     Cytore::Offset<PackageValue> next_;
1554
1555     uint32_t index_ : 23;
1556     uint32_t subscribed_ : 1;
1557     uint32_t : 8;
1558
1559     int32_t first_;
1560     int32_t last_;
1561
1562     uint16_t vhash_;
1563     uint16_t nhash_;
1564
1565     char version_[8];
1566     char name_[];
1567 };
1568
1569 struct MetaValue :
1570     Cytore::Block
1571 {
1572     uint32_t active_;
1573     Cytore::Offset<PackageValue> packages_[1 << 16];
1574 };
1575
1576 static Cytore::File<MetaValue> MetaFile_;
1577 // }}}
1578 // Cytore Helper Functions {{{
1579 static PackageValue *PackageFind(const char *name, size_t length, bool *fail = NULL) {
1580     SplitHash nhash = { hashlittle(name, length) };
1581
1582     PackageValue *metadata;
1583
1584     Cytore::Offset<PackageValue> *offset(&MetaFile_->packages_[nhash.u16[0]]);
1585     offset: if (offset->IsNull()) {
1586         *offset = MetaFile_.New<PackageValue>(length + 1);
1587         metadata = &MetaFile_.Get(*offset);
1588
1589         if (metadata == NULL) {
1590             if (fail != NULL)
1591                 *fail = true;
1592
1593             metadata = new PackageValue();
1594             memset(metadata, 0, sizeof(*metadata));
1595         }
1596
1597         memcpy(metadata->name_, name, length + 1);
1598         metadata->nhash_ = nhash.u16[1];
1599     } else {
1600         metadata = &MetaFile_.Get(*offset);
1601
1602         if (metadata->nhash_ != nhash.u16[1] || strncmp(metadata->name_, name, length + 1) != 0) {
1603             offset = &metadata->next_;
1604             goto offset;
1605         }
1606     }
1607
1608     return metadata;
1609 }
1610
1611 static void PackageImport(const void *key, const void *value, void *context) {
1612     bool &fail(*reinterpret_cast<bool *>(context));
1613
1614     char buffer[1024];
1615     if (!CFStringGetCString((CFStringRef) key, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1616         NSLog(@"failed to import package %@", key);
1617         return;
1618     }
1619
1620     PackageValue *metadata(PackageFind(buffer, strlen(buffer), &fail));
1621     NSDictionary *package((NSDictionary *) value);
1622
1623     if (NSNumber *subscribed = [package objectForKey:@"IsSubscribed"])
1624         if ([subscribed boolValue] && !metadata->subscribed_)
1625             metadata->subscribed_ = true;
1626
1627     if (NSDate *date = [package objectForKey:@"FirstSeen"]) {
1628         time_t time([date timeIntervalSince1970]);
1629         if (metadata->first_ > time || metadata->first_ == 0)
1630             metadata->first_ = time;
1631     }
1632
1633     NSDate *date([package objectForKey:@"LastSeen"]);
1634     NSString *version([package objectForKey:@"LastVersion"]);
1635
1636     if (date != nil && version != nil) {
1637         time_t time([date timeIntervalSince1970]);
1638         if (metadata->last_ < time || metadata->last_ == 0)
1639             if (CFStringGetCString((CFStringRef) version, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1640                 size_t length(strlen(buffer));
1641                 uint16_t vhash(hashlittle(buffer, length));
1642
1643                 size_t capped(std::min<size_t>(8, length));
1644                 char *latest(buffer + length - capped);
1645
1646                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
1647                 metadata->vhash_ = vhash;
1648
1649                 metadata->last_ = time;
1650             }
1651     }
1652 }
1653 // }}}
1654
1655 /* Source Class {{{ */
1656 @interface Source : NSObject {
1657     CYString depiction_;
1658     CYString description_;
1659     CYString label_;
1660     CYString origin_;
1661     CYString support_;
1662
1663     CYString uri_;
1664     CYString distribution_;
1665     CYString type_;
1666     CYString version_;
1667
1668     _H<NSString> host_;
1669     _H<NSString> authority_;
1670
1671     CYString defaultIcon_;
1672
1673     _H<NSDictionary> record_;
1674     BOOL trusted_;
1675 }
1676
1677 - (Source *) initWithMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool;
1678
1679 - (NSComparisonResult) compareByNameAndType:(Source *)source;
1680
1681 - (NSString *) depictionForPackage:(NSString *)package;
1682 - (NSString *) supportForPackage:(NSString *)package;
1683
1684 - (NSDictionary *) record;
1685 - (BOOL) trusted;
1686
1687 - (NSString *) uri;
1688 - (NSString *) distribution;
1689 - (NSString *) type;
1690 - (NSString *) key;
1691 - (NSString *) host;
1692
1693 - (NSString *) name;
1694 - (NSString *) description;
1695 - (NSString *) label;
1696 - (NSString *) origin;
1697 - (NSString *) version;
1698
1699 - (NSString *) defaultIcon;
1700
1701 @end
1702
1703 @implementation Source
1704
1705 - (void) _clear {
1706     uri_.clear();
1707     distribution_.clear();
1708     type_.clear();
1709
1710     description_.clear();
1711     label_.clear();
1712     origin_.clear();
1713     depiction_.clear();
1714     support_.clear();
1715     version_.clear();
1716     defaultIcon_.clear();
1717
1718     record_ = nil;
1719     host_ = nil;
1720     authority_ = nil;
1721 }
1722
1723 - (void) dealloc {
1724     // XXX: this is a very inefficient way to call these deconstructors
1725     [self _clear];
1726     [super dealloc];
1727 }
1728
1729 + (NSArray *) _attributeKeys {
1730     return [NSArray arrayWithObjects:
1731         @"description",
1732         @"distribution",
1733         @"host",
1734         @"key",
1735         @"label",
1736         @"name",
1737         @"origin",
1738         @"trusted",
1739         @"type",
1740         @"uri",
1741         @"version",
1742     nil];
1743 }
1744
1745 - (NSArray *) attributeKeys {
1746     return [[self class] _attributeKeys];
1747 }
1748
1749 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1750     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1751 }
1752
1753 - (void) setMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool {
1754     [self _clear];
1755
1756     trusted_ = index->IsTrusted();
1757
1758     uri_.set(pool, index->GetURI());
1759     distribution_.set(pool, index->GetDist());
1760     type_.set(pool, index->GetType());
1761
1762     debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index));
1763     if (dindex != NULL) {
1764         FileFd fd;
1765         if (!fd.Open(dindex->MetaIndexFile("Release"), FileFd::ReadOnly))
1766             _error->Discard();
1767         else {
1768             pkgTagFile tags(&fd);
1769
1770             pkgTagSection section;
1771             tags.Step(section);
1772
1773             struct {
1774                 const char *name_;
1775                 CYString *value_;
1776             } names[] = {
1777                 {"default-icon", &defaultIcon_},
1778                 {"depiction", &depiction_},
1779                 {"description", &description_},
1780                 {"label", &label_},
1781                 {"origin", &origin_},
1782                 {"support", &support_},
1783                 {"version", &version_},
1784             };
1785
1786             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
1787                 const char *start, *end;
1788
1789                 if (section.Find(names[i].name_, start, end)) {
1790                     CYString &value(*names[i].value_);
1791                     value.set(pool, start, end - start);
1792                 }
1793             }
1794         }
1795     }
1796
1797     record_ = [Sources_ objectForKey:[self key]];
1798
1799     NSURL *url([NSURL URLWithString:uri_]);
1800
1801     host_ = [url host];
1802     if (host_ != nil)
1803         host_ = [host_ lowercaseString];
1804
1805     if (host_ != nil)
1806         // XXX: this is due to a bug in _H<>
1807         authority_ = (id) host_;
1808     else
1809         authority_ = [url path];
1810 }
1811
1812 - (Source *) initWithMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool {
1813     if ((self = [super init]) != nil) {
1814         [self setMetaIndex:index inPool:pool];
1815     } return self;
1816 }
1817
1818 - (NSComparisonResult) compareByNameAndType:(Source *)source {
1819     NSDictionary *lhr = [self record];
1820     NSDictionary *rhr = [source record];
1821
1822     if (lhr != rhr)
1823         return lhr == nil ? NSOrderedDescending : NSOrderedAscending;
1824
1825     NSString *lhs = [self name];
1826     NSString *rhs = [source name];
1827
1828     if ([lhs length] != 0 && [rhs length] != 0) {
1829         unichar lhc = [lhs characterAtIndex:0];
1830         unichar rhc = [rhs characterAtIndex:0];
1831
1832         if (isalpha(lhc) && !isalpha(rhc))
1833             return NSOrderedAscending;
1834         else if (!isalpha(lhc) && isalpha(rhc))
1835             return NSOrderedDescending;
1836     }
1837
1838     return [lhs compare:rhs options:LaxCompareOptions_];
1839 }
1840
1841 - (NSString *) depictionForPackage:(NSString *)package {
1842     return depiction_.empty() ? nil : [static_cast<id>(depiction_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1843 }
1844
1845 - (NSString *) supportForPackage:(NSString *)package {
1846     return support_.empty() ? nil : [static_cast<id>(support_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1847 }
1848
1849 - (NSDictionary *) record {
1850     return record_;
1851 }
1852
1853 - (BOOL) trusted {
1854     return trusted_;
1855 }
1856
1857 - (NSString *) uri {
1858     return uri_;
1859 }
1860
1861 - (NSString *) distribution {
1862     return distribution_;
1863 }
1864
1865 - (NSString *) type {
1866     return type_;
1867 }
1868
1869 - (NSString *) key {
1870     return [NSString stringWithFormat:@"%@:%@:%@", (NSString *) type_, (NSString *) uri_, (NSString *) distribution_];
1871 }
1872
1873 - (NSString *) host {
1874     return host_;
1875 }
1876
1877 - (NSString *) name {
1878     return origin_.empty() ? (id) authority_ : origin_;
1879 }
1880
1881 - (NSString *) description {
1882     return description_;
1883 }
1884
1885 - (NSString *) label {
1886     return label_.empty() ? (id) authority_ : label_;
1887 }
1888
1889 - (NSString *) origin {
1890     return origin_;
1891 }
1892
1893 - (NSString *) version {
1894     return version_;
1895 }
1896
1897 - (NSString *) defaultIcon {
1898     return defaultIcon_;
1899 }
1900
1901 @end
1902 /* }}} */
1903 /* CydiaOperation Class {{{ */
1904 @interface CydiaOperation : NSObject {
1905     NSString *operator_;
1906     NSString *value_;
1907 }
1908
1909 - (NSString *) operator;
1910 - (NSString *) value;
1911
1912 @end
1913
1914 @implementation CydiaOperation
1915
1916 - (void) dealloc {
1917     [operator_ release];
1918     [value_ release];
1919     [super dealloc];
1920 }
1921
1922 - (id) initWithOperator:(const char *)_operator value:(const char *)value {
1923     if ((self = [super init]) != nil) {
1924         operator_ = [[NSString alloc] initWithUTF8String:_operator];
1925         value_ = [[NSString alloc] initWithUTF8String:value];
1926     } return self;
1927 }
1928
1929 + (NSArray *) _attributeKeys {
1930     return [NSArray arrayWithObjects:
1931         @"operator",
1932         @"value",
1933     nil];
1934 }
1935
1936 - (NSArray *) attributeKeys {
1937     return [[self class] _attributeKeys];
1938 }
1939
1940 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1941     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1942 }
1943
1944 - (NSString *) operator {
1945     return operator_;
1946 }
1947
1948 - (NSString *) value {
1949     return value_;
1950 }
1951
1952 @end
1953 /* }}} */
1954 /* CydiaClause Class {{{ */
1955 @interface CydiaClause : NSObject {
1956     NSString *package_;
1957     CydiaOperation *version_;
1958 }
1959
1960 - (NSString *) package;
1961 - (CydiaOperation *) version;
1962
1963 @end
1964
1965 @implementation CydiaClause
1966
1967 - (void) dealloc {
1968     [package_ release];
1969     [version_ release];
1970     [super dealloc];
1971 }
1972
1973 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1974     if ((self = [super init]) != nil) {
1975         package_ = [[NSString alloc] initWithUTF8String:dep.TargetPkg().Name()];
1976
1977         if (const char *version = dep.TargetVer())
1978             version_ = [[CydiaOperation alloc] initWithOperator:dep.CompType() value:version];
1979         else
1980             version_ = [[NSNull null] retain];
1981     } return self;
1982 }
1983
1984 + (NSArray *) _attributeKeys {
1985     return [NSArray arrayWithObjects:
1986         @"package",
1987         @"version",
1988     nil];
1989 }
1990
1991 - (NSArray *) attributeKeys {
1992     return [[self class] _attributeKeys];
1993 }
1994
1995 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1996     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1997 }
1998
1999 - (NSString *) package {
2000     return package_;
2001 }
2002
2003 - (CydiaOperation *) version {
2004     return version_;
2005 }
2006
2007 @end
2008 /* }}} */
2009 /* CydiaRelation Class {{{ */
2010 @interface CydiaRelation : NSObject {
2011     NSString *relationship_;
2012     NSMutableArray *clauses_;
2013 }
2014
2015 - (NSString *) relationship;
2016 - (NSArray *) clauses;
2017
2018 @end
2019
2020 @implementation CydiaRelation
2021
2022 - (void) dealloc {
2023     [relationship_ release];
2024     [clauses_ release];
2025     [super dealloc];
2026 }
2027
2028 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
2029     if ((self = [super init]) != nil) {
2030         relationship_ = [[NSString alloc] initWithUTF8String:dep.DepType()];
2031         clauses_ = [[NSMutableArray alloc] initWithCapacity:8];
2032
2033         pkgCache::DepIterator start;
2034         pkgCache::DepIterator end;
2035         dep.GlobOr(start, end); // ++dep
2036
2037         _forever {
2038             [clauses_ addObject:[[[CydiaClause alloc] initWithIterator:start] autorelease]];
2039
2040             // yes, seriously. (wtf?)
2041             if (start == end)
2042                 break;
2043             ++start;
2044         }
2045     } return self;
2046 }
2047
2048 + (NSArray *) _attributeKeys {
2049     return [NSArray arrayWithObjects:
2050         @"clauses",
2051         @"relationship",
2052     nil];
2053 }
2054
2055 - (NSArray *) attributeKeys {
2056     return [[self class] _attributeKeys];
2057 }
2058
2059 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2060     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2061 }
2062
2063 - (NSString *) relationship {
2064     return relationship_;
2065 }
2066
2067 - (NSArray *) clauses {
2068     return clauses_;
2069 }
2070
2071 - (void) addClause:(CydiaClause *)clause {
2072     [clauses_ addObject:clause];
2073 }
2074
2075 @end
2076 /* }}} */
2077 /* Package Class {{{ */
2078 struct ParsedPackage {
2079     CYString tagline_;
2080
2081     CYString icon_;
2082
2083     CYString depiction_;
2084     CYString homepage_;
2085
2086     CYString sponsor_;
2087     CYString author_;
2088
2089     CYString bugs_;
2090     CYString support_;
2091 };
2092
2093 @interface Package : NSObject {
2094     uint32_t era_ : 26;
2095     uint32_t role_ : 3;
2096     uint32_t essential_ : 1;
2097     uint32_t obsolete_ : 1;
2098     uint32_t ignored_ : 1;
2099
2100     apr_pool_t *pool_;
2101
2102     _transient Database *database_;
2103
2104     pkgCache::VerIterator version_;
2105     pkgCache::PkgIterator iterator_;
2106     pkgCache::VerFileIterator file_;
2107
2108     CYString id_;
2109     CYString name_;
2110
2111     CYString latest_;
2112     CYString installed_;
2113
2114     const char *section_;
2115     _transient NSString *section$_;
2116
2117     Source *source_;
2118
2119     PackageValue *metadata_;
2120     ParsedPackage *parsed_;
2121
2122     NSMutableArray *tags_;
2123 }
2124
2125 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
2126 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
2127
2128 - (pkgCache::PkgIterator) iterator;
2129 - (void) parse;
2130
2131 - (NSString *) section;
2132 - (NSString *) simpleSection;
2133
2134 - (NSString *) longSection;
2135 - (NSString *) shortSection;
2136
2137 - (NSString *) uri;
2138
2139 - (Address *) maintainer;
2140 - (size_t) size;
2141 - (NSString *) longDescription;
2142 - (NSString *) shortDescription;
2143 - (unichar) index;
2144
2145 - (PackageValue *) metadata;
2146 - (time_t) seen;
2147
2148 - (bool) subscribed;
2149 - (bool) setSubscribed:(bool)subscribed;
2150
2151 - (BOOL) ignored;
2152
2153 - (NSString *) latest;
2154 - (NSString *) installed;
2155 - (BOOL) uninstalled;
2156
2157 - (BOOL) valid;
2158 - (BOOL) upgradableAndEssential:(BOOL)essential;
2159 - (BOOL) essential;
2160 - (BOOL) broken;
2161 - (BOOL) unfiltered;
2162 - (BOOL) visible;
2163
2164 - (BOOL) half;
2165 - (BOOL) halfConfigured;
2166 - (BOOL) halfInstalled;
2167 - (BOOL) hasMode;
2168 - (NSString *) mode;
2169
2170 - (NSString *) id;
2171 - (NSString *) name;
2172 - (UIImage *) icon;
2173 - (NSString *) homepage;
2174 - (NSString *) depiction;
2175 - (Address *) author;
2176
2177 - (NSString *) support;
2178
2179 - (NSArray *) files;
2180 - (NSArray *) warnings;
2181 - (NSArray *) applications;
2182
2183 - (Source *) source;
2184
2185 - (BOOL) matches:(NSString *)text;
2186
2187 - (bool) hasSupportingRole;
2188 - (BOOL) hasTag:(NSString *)tag;
2189 - (NSString *) primaryPurpose;
2190 - (NSArray *) purposes;
2191 - (bool) isCommercial;
2192
2193 - (void) setIndex:(size_t)index;
2194
2195 - (CYString &) cyname;
2196
2197 - (uint32_t) compareBySection:(NSArray *)sections;
2198
2199 - (void) install;
2200 - (void) remove;
2201
2202 - (bool) isUnfilteredAndSearchedForBy:(NSString *)search;
2203 - (bool) isUnfilteredAndSelectedForBy:(NSString *)search;
2204 - (bool) isInstalledAndUnfiltered:(NSNumber *)number;
2205 - (bool) isVisibleInSection:(NSString *)section;
2206 - (bool) isVisibleInSource:(Source *)source;
2207
2208 @end
2209
2210 uint32_t PackageChangesRadix(Package *self, void *) {
2211     union {
2212         uint32_t key;
2213
2214         struct {
2215             uint32_t timestamp : 30;
2216             uint32_t ignored : 1;
2217             uint32_t upgradable : 1;
2218         } bits;
2219     } value;
2220
2221     bool upgradable([self upgradableAndEssential:YES]);
2222     value.bits.upgradable = upgradable ? 1 : 0;
2223
2224     if (upgradable) {
2225         value.bits.timestamp = 0;
2226         value.bits.ignored = [self ignored] ? 0 : 1;
2227         value.bits.upgradable = 1;
2228     } else {
2229         value.bits.timestamp = [self seen] >> 2;
2230         value.bits.ignored = 0;
2231         value.bits.upgradable = 0;
2232     }
2233
2234     return _not(uint32_t) - value.key;
2235 }
2236
2237 uint32_t PackagePrefixRadix(Package *self, void *context) {
2238     size_t offset(reinterpret_cast<size_t>(context));
2239     CYString &name([self cyname]);
2240
2241     size_t size(name.size());
2242     if (size == 0)
2243         return 0;
2244     char *text(name.data());
2245
2246     size_t zeros;
2247     if (!isdigit(text[0]))
2248         zeros = 0;
2249     else {
2250         size_t digits(1);
2251         while (size != digits && isdigit(text[digits]))
2252             if (++digits == 4)
2253                 break;
2254         zeros = 4 - digits;
2255     }
2256
2257     uint8_t data[4];
2258
2259     if (offset == 0 && zeros != 0) {
2260         memset(data, '0', zeros);
2261         memcpy(data + zeros, text, 4 - zeros);
2262     } else {
2263         /* XXX: there's some danger here if you request a non-zero offset < 4 and it gets zero padded */
2264         if (size <= offset - zeros)
2265             return 0;
2266
2267         text += offset - zeros;
2268         size -= offset - zeros;
2269
2270         if (size >= 4)
2271             memcpy(data, text, 4);
2272         else {
2273             memcpy(data, text, size);
2274             memset(data + size, 0, 4 - size);
2275         }
2276
2277         for (size_t i(0); i != 4; ++i)
2278             if (isalpha(data[i]))
2279                 data[i] |= 0x20;
2280     }
2281
2282     if (offset == 0)
2283         if (data[0] == '@')
2284             data[0] = 0x7f;
2285         else
2286             data[0] = (data[0] & 0x1f) | "\x80\x00\xc0\x40"[data[0] >> 6];
2287
2288     /* XXX: ntohl may be more honest */
2289     return OSSwapInt32(*reinterpret_cast<uint32_t *>(data));
2290 }
2291
2292 CYString &(*PackageName)(Package *self, SEL sel);
2293
2294 CFComparisonResult PackageNameCompare(Package *lhs, Package *rhs, void *arg) {
2295     _profile(PackageNameCompare)
2296         CYString &lhi(PackageName(lhs, @selector(cyname)));
2297         CYString &rhi(PackageName(rhs, @selector(cyname)));
2298         CFStringRef lhn(lhi), rhn(rhi);
2299
2300         if (lhn == NULL)
2301             return rhn == NULL ? NSOrderedSame : NSOrderedAscending;
2302         else if (rhn == NULL)
2303             return NSOrderedDescending;
2304
2305         _profile(PackageNameCompare$NumbersLast)
2306             if (!lhi.empty() && !rhi.empty()) {
2307                 UniChar lhc(CFStringGetCharacterAtIndex(lhn, 0));
2308                 UniChar rhc(CFStringGetCharacterAtIndex(rhn, 0));
2309                 bool lha(CFUniCharIsMemberOf(lhc, kCFUniCharLetterCharacterSet));
2310                 if (lha != CFUniCharIsMemberOf(rhc, kCFUniCharLetterCharacterSet))
2311                     return lha ? NSOrderedAscending : NSOrderedDescending;
2312             }
2313         _end
2314
2315         CFIndex length = CFStringGetLength(lhn);
2316
2317         _profile(PackageNameCompare$Compare)
2318             return CFStringCompareWithOptionsAndLocale(lhn, rhn, CFRangeMake(0, length), LaxCompareFlags_, Locale_);
2319         _end
2320     _end
2321 }
2322
2323 CFComparisonResult PackageNameCompare_(Package **lhs, Package **rhs, void *context) {
2324     return PackageNameCompare(*lhs, *rhs, context);
2325 }
2326
2327 struct PackageNameOrdering :
2328     std::binary_function<Package *, Package *, bool>
2329 {
2330     _finline bool operator ()(Package *lhs, Package *rhs) const {
2331         return PackageNameCompare(lhs, rhs, NULL) == NSOrderedAscending;
2332     }
2333 };
2334
2335 @implementation Package
2336
2337 - (NSString *) description {
2338     return [NSString stringWithFormat:@"<Package:%@>", static_cast<NSString *>(name_)];
2339 }
2340
2341 - (void) dealloc {
2342     if (parsed_ != NULL)
2343         delete parsed_;
2344     if (source_ != nil)
2345         [source_ release];
2346     if (tags_ != nil)
2347         [tags_ release];
2348     [super dealloc];
2349 }
2350
2351 + (NSString *) webScriptNameForSelector:(SEL)selector {
2352     if (false);
2353     else if (selector == @selector(clear))
2354         return @"clear";
2355     else if (selector == @selector(getField:))
2356         return @"getField";
2357     else if (selector == @selector(hasTag:))
2358         return @"hasTag";
2359     else if (selector == @selector(install))
2360         return @"install";
2361     else if (selector == @selector(remove))
2362         return @"remove";
2363     else
2364         return nil;
2365 }
2366
2367 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
2368     return [self webScriptNameForSelector:selector] == nil;
2369 }
2370
2371 + (NSArray *) _attributeKeys {
2372     return [NSArray arrayWithObjects:
2373         @"applications",
2374         @"author",
2375         @"depiction",
2376         @"essential",
2377         @"homepage",
2378         @"icon",
2379         @"id",
2380         @"installed",
2381         @"latest",
2382         @"longDescription",
2383         @"longSection",
2384         @"maintainer",
2385         @"mode",
2386         @"name",
2387         @"purposes",
2388         @"relations",
2389         @"section",
2390         @"selection",
2391         @"shortDescription",
2392         @"shortSection",
2393         @"simpleSection",
2394         @"size",
2395         @"source",
2396         @"sponsor",
2397         @"state",
2398         @"support",
2399         @"tags",
2400         @"warnings",
2401     nil];
2402 }
2403
2404 - (NSArray *) attributeKeys {
2405     return [[self class] _attributeKeys];
2406 }
2407
2408 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2409     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2410 }
2411
2412 - (NSArray *) relations {
2413 @synchronized (database_) {
2414     NSMutableArray *relations([NSMutableArray arrayWithCapacity:16]);
2415     for (pkgCache::DepIterator dep(version_.DependsList()); !dep.end(); ++dep)
2416         [relations addObject:[[[CydiaRelation alloc] initWithIterator:dep] autorelease]];
2417     return relations;
2418 } }
2419
2420 - (NSString *) getField:(NSString *)name {
2421 @synchronized (database_) {
2422     if ([database_ era] != era_ || file_.end())
2423         return nil;
2424
2425     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2426
2427     const char *start, *end;
2428     if (!parser.Find([name UTF8String], start, end))
2429         return (NSString *) [NSNull null];
2430
2431     return [(NSString *) CYStringCreate(start, end - start) autorelease];
2432 } }
2433
2434 - (void) parse {
2435     if (parsed_ != NULL)
2436         return;
2437 @synchronized (database_) {
2438     if ([database_ era] != era_ || file_.end())
2439         return;
2440
2441     ParsedPackage *parsed(new ParsedPackage);
2442     parsed_ = parsed;
2443
2444     _profile(Package$parse)
2445         pkgRecords::Parser *parser;
2446
2447         _profile(Package$parse$Lookup)
2448             parser = &[database_ records]->Lookup(file_);
2449         _end
2450
2451         CYString website;
2452
2453         _profile(Package$parse$Find)
2454             struct {
2455                 const char *name_;
2456                 CYString *value_;
2457             } names[] = {
2458                 {"icon", &parsed->icon_},
2459                 {"depiction", &parsed->depiction_},
2460                 {"homepage", &parsed->homepage_},
2461                 {"website", &website},
2462                 {"bugs", &parsed->bugs_},
2463                 {"support", &parsed->support_},
2464                 {"sponsor", &parsed->sponsor_},
2465                 {"author", &parsed->author_},
2466             };
2467
2468             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
2469                 const char *start, *end;
2470
2471                 if (parser->Find(names[i].name_, start, end)) {
2472                     CYString &value(*names[i].value_);
2473                     _profile(Package$parse$Value)
2474                         value.set(pool_, start, end - start);
2475                     _end
2476                 }
2477             }
2478         _end
2479
2480         _profile(Package$parse$Tagline)
2481             const char *start, *end;
2482             if (parser->ShortDesc(start, end)) {
2483                 const char *stop(reinterpret_cast<const char *>(memchr(start, '\n', end - start)));
2484                 if (stop == NULL)
2485                     stop = end;
2486                 while (stop != start && stop[-1] == '\r')
2487                     --stop;
2488                 parsed->tagline_.set(pool_, start, stop - start);
2489             }
2490         _end
2491
2492         _profile(Package$parse$Retain)
2493             if (parsed->homepage_.empty())
2494                 parsed->homepage_ = website;
2495             if (parsed->homepage_ == parsed->depiction_)
2496                 parsed->homepage_.clear();
2497         _end
2498     _end
2499 } }
2500
2501 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2502     if ((self = [super init]) != nil) {
2503     _profile(Package$initWithVersion)
2504         pool_ = pool;
2505
2506         database_ = database;
2507         era_ = [database era];
2508
2509         version_ = version;
2510
2511         pkgCache::PkgIterator iterator(version.ParentPkg());
2512         iterator_ = iterator;
2513
2514         _profile(Package$initWithVersion$Version)
2515             if (!version_.end())
2516                 file_ = version_.FileList();
2517             else {
2518                 pkgCache &cache([database_ cache]);
2519                 file_ = pkgCache::VerFileIterator(cache, cache.VerFileP);
2520             }
2521         _end
2522
2523         _profile(Package$initWithVersion$Cache)
2524             name_.set(NULL, iterator.Display());
2525
2526             latest_.set(NULL, StripVersion_(version_.VerStr()));
2527
2528             pkgCache::VerIterator current(iterator.CurrentVer());
2529             if (!current.end())
2530                 installed_.set(NULL, StripVersion_(current.VerStr()));
2531         _end
2532
2533         _profile(Package$initWithVersion$Tags)
2534             pkgCache::TagIterator tag(iterator.TagList());
2535             if (!tag.end()) {
2536                 tags_ = [[NSMutableArray alloc] initWithCapacity:8];
2537                 do {
2538                     const char *name(tag.Name());
2539                     [tags_ addObject:[(NSString *)CYStringCreate(name) autorelease]];
2540
2541                     if (role_ == 0 && strncmp(name, "role::", 6) == 0 /*&& strcmp(name, "role::leaper") != 0*/) {
2542                         if (strcmp(name + 6, "enduser") == 0)
2543                             role_ = 1;
2544                         else if (strcmp(name + 6, "hacker") == 0)
2545                             role_ = 2;
2546                         else if (strcmp(name + 6, "developer") == 0)
2547                             role_ = 3;
2548                         else if (strcmp(name + 6, "cydia") == 0)
2549                             role_ = 7;
2550                         else
2551                             role_ = 4;
2552                     }
2553
2554                     if (strncmp(name, "cydia::", 7) == 0) {
2555                         if (strcmp(name + 7, "essential") == 0)
2556                             essential_ = true;
2557                         else if (strcmp(name + 7, "obsolete") == 0)
2558                             obsolete_ = true;
2559                     }
2560
2561                     ++tag;
2562                 } while (!tag.end());
2563             }
2564         _end
2565
2566         _profile(Package$initWithVersion$Metadata)
2567             const char *mixed(iterator.Name());
2568             size_t size(strlen(mixed));
2569             char lower[size + 1];
2570
2571             for (size_t i(0); i != size; ++i)
2572                 lower[i] = mixed[i] | 0x20;
2573             lower[size] = '\0';
2574
2575             PackageValue *metadata(PackageFind(lower, size));
2576             metadata_ = metadata;
2577
2578             id_.set(NULL, metadata->name_, size);
2579
2580             const char *latest(version_.VerStr());
2581             size_t length(strlen(latest));
2582
2583             uint16_t vhash(hashlittle(latest, length));
2584
2585             size_t capped(std::min<size_t>(8, length));
2586             latest = latest + length - capped;
2587
2588             if (metadata->first_ == 0)
2589                 metadata->first_ = now_;
2590
2591             if (metadata->vhash_ != vhash || strncmp(metadata->version_, latest, sizeof(metadata->version_)) != 0) {
2592                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
2593                 metadata->vhash_ = vhash;
2594                 metadata->last_ = now_;
2595             } else if (metadata->last_ == 0)
2596                 metadata->last_ = metadata->first_;
2597         _end
2598
2599         _profile(Package$initWithVersion$Section)
2600             section_ = iterator.Section();
2601         _end
2602
2603         _profile(Package$initWithVersion$Flags)
2604             essential_ |= ((iterator->Flags & pkgCache::Flag::Essential) == 0 ? NO : YES);
2605             ignored_ = iterator->SelectedState == pkgCache::State::Hold;
2606         _end
2607     _end } return self;
2608 }
2609
2610 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2611     pkgCache::VerIterator version;
2612
2613     _profile(Package$packageWithIterator$GetCandidateVer)
2614         version = [database policy]->GetCandidateVer(iterator);
2615     _end
2616
2617     if (version.end())
2618         return nil;
2619
2620     Package *package;
2621
2622     _profile(Package$packageWithIterator$Allocate)
2623         package = [Package allocWithZone:zone];
2624     _end
2625
2626     _profile(Package$packageWithIterator$Initialize)
2627         package = [package
2628             initWithVersion:version
2629             withZone:zone
2630             inPool:pool
2631             database:database
2632         ];
2633     _end
2634
2635     _profile(Package$packageWithIterator$Autorelease)
2636         package = [package autorelease];
2637     _end
2638
2639     return package;
2640 }
2641
2642 - (pkgCache::PkgIterator) iterator {
2643     return iterator_;
2644 }
2645
2646 - (NSString *) section {
2647     if (section$_ == nil) {
2648         if (section_ == NULL)
2649             return nil;
2650
2651         _profile(Package$section$mappedSectionForPointer)
2652             section$_ = [database_ mappedSectionForPointer:section_];
2653         _end
2654     } return section$_;
2655 }
2656
2657 - (NSString *) simpleSection {
2658     if (NSString *section = [self section])
2659         return Simplify(section);
2660     else
2661         return nil;
2662 }
2663
2664 - (NSString *) longSection {
2665     return LocalizeSection([self section]);
2666 }
2667
2668 - (NSString *) shortSection {
2669     return [[NSBundle mainBundle] localizedStringForKey:[self simpleSection] value:nil table:@"Sections"];
2670 }
2671
2672 - (NSString *) uri {
2673     return nil;
2674 #if 0
2675     pkgIndexFile *index;
2676     pkgCache::PkgFileIterator file(file_.File());
2677     if (![database_ list].FindIndex(file, index))
2678         return nil;
2679     return [NSString stringWithUTF8String:iterator_->Path];
2680     //return [NSString stringWithUTF8String:file.Site()];
2681     //return [NSString stringWithUTF8String:index->ArchiveURI(file.FileName()).c_str()];
2682 #endif
2683 }
2684
2685 - (Address *) maintainer {
2686 @synchronized (database_) {
2687     if ([database_ era] != era_ || file_.end())
2688         return nil;
2689
2690     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2691     const std::string &maintainer(parser->Maintainer());
2692     return maintainer.empty() ? nil : [Address addressWithString:[NSString stringWithUTF8String:maintainer.c_str()]];
2693 } }
2694
2695 - (size_t) size {
2696 @synchronized (database_) {
2697     if ([database_ era] != era_ || version_.end())
2698         return 0;
2699
2700     return version_->InstalledSize;
2701 } }
2702
2703 - (NSString *) longDescription {
2704 @synchronized (database_) {
2705     if ([database_ era] != era_ || file_.end())
2706         return nil;
2707
2708     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2709     NSString *description([NSString stringWithUTF8String:parser->LongDesc().c_str()]);
2710
2711     NSArray *lines = [description componentsSeparatedByString:@"\n"];
2712     NSMutableArray *trimmed = [NSMutableArray arrayWithCapacity:([lines count] - 1)];
2713     if ([lines count] < 2)
2714         return nil;
2715
2716     NSCharacterSet *whitespace = [NSCharacterSet whitespaceCharacterSet];
2717     for (size_t i(1), e([lines count]); i != e; ++i) {
2718         NSString *trim = [[lines objectAtIndex:i] stringByTrimmingCharactersInSet:whitespace];
2719         [trimmed addObject:trim];
2720     }
2721
2722     return [trimmed componentsJoinedByString:@"\n"];
2723 } }
2724
2725 - (NSString *) shortDescription {
2726     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->tagline_);
2727 }
2728
2729 - (unichar) index {
2730     _profile(Package$index)
2731         CFStringRef name((CFStringRef) [self name]);
2732         if (CFStringGetLength(name) == 0)
2733             return '#';
2734         UniChar character(CFStringGetCharacterAtIndex(name, 0));
2735         if (!CFUniCharIsMemberOf(character, kCFUniCharLetterCharacterSet))
2736             return '#';
2737         return toupper(character);
2738     _end
2739 }
2740
2741 - (PackageValue *) metadata {
2742     return metadata_;
2743 }
2744
2745 - (time_t) seen {
2746     PackageValue *metadata([self metadata]);
2747     return metadata->subscribed_ ? metadata->last_ : metadata->first_;
2748 }
2749
2750 - (bool) subscribed {
2751     return [self metadata]->subscribed_;
2752 }
2753
2754 - (bool) setSubscribed:(bool)subscribed {
2755     PackageValue *metadata([self metadata]);
2756     if (metadata->subscribed_ == subscribed)
2757         return false;
2758     metadata->subscribed_ = subscribed;
2759     return true;
2760 }
2761
2762 - (BOOL) ignored {
2763     return ignored_;
2764 }
2765
2766 - (NSString *) latest {
2767     return latest_;
2768 }
2769
2770 - (NSString *) installed {
2771     return installed_;
2772 }
2773
2774 - (BOOL) uninstalled {
2775     return installed_.empty();
2776 }
2777
2778 - (BOOL) valid {
2779     return !version_.end();
2780 }
2781
2782 - (BOOL) upgradableAndEssential:(BOOL)essential {
2783     _profile(Package$upgradableAndEssential)
2784         pkgCache::VerIterator current(iterator_.CurrentVer());
2785         if (current.end())
2786             return essential && essential_;
2787         else
2788             return !version_.end() && version_ != current;
2789     _end
2790 }
2791
2792 - (BOOL) essential {
2793     return essential_;
2794 }
2795
2796 - (BOOL) broken {
2797     return [database_ cache][iterator_].InstBroken();
2798 }
2799
2800 - (BOOL) unfiltered {
2801     _profile(Package$unfiltered$obsolete)
2802         if (_unlikely(obsolete_))
2803             return false;
2804     _end
2805
2806     _profile(Package$unfiltered$hasSupportingRole)
2807         if (_unlikely(![self hasSupportingRole]))
2808             return false;
2809     _end
2810
2811     return true;
2812 }
2813
2814 - (BOOL) visible {
2815     if (![self unfiltered])
2816         return false;
2817
2818     NSString *section;
2819
2820     _profile(Package$visible$section)
2821         section = [self section];
2822     _end
2823
2824     _profile(Package$visible$isSectionVisible)
2825         if (!isSectionVisible(section))
2826             return false;
2827     _end
2828
2829     return true;
2830 }
2831
2832 - (BOOL) half {
2833     unsigned char current(iterator_->CurrentState);
2834     return current == pkgCache::State::HalfConfigured || current == pkgCache::State::HalfInstalled;
2835 }
2836
2837 - (BOOL) halfConfigured {
2838     return iterator_->CurrentState == pkgCache::State::HalfConfigured;
2839 }
2840
2841 - (BOOL) halfInstalled {
2842     return iterator_->CurrentState == pkgCache::State::HalfInstalled;
2843 }
2844
2845 - (BOOL) hasMode {
2846     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2847     return state.Mode != pkgDepCache::ModeKeep;
2848 }
2849
2850 - (NSString *) mode {
2851     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2852
2853     switch (state.Mode) {
2854         case pkgDepCache::ModeDelete:
2855             if ((state.iFlags & pkgDepCache::Purge) != 0)
2856                 return @"PURGE";
2857             else
2858                 return @"REMOVE";
2859         case pkgDepCache::ModeKeep:
2860             if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2861                 return @"REINSTALL";
2862             /*else if ((state.iFlags & pkgDepCache::AutoKept) != 0)
2863                 return nil;*/
2864             else
2865                 return nil;
2866         case pkgDepCache::ModeInstall:
2867             /*if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2868                 return @"REINSTALL";
2869             else*/ switch (state.Status) {
2870                 case -1:
2871                     return @"DOWNGRADE";
2872                 case 0:
2873                     return @"INSTALL";
2874                 case 1:
2875                     return @"UPGRADE";
2876                 case 2:
2877                     return @"NEW_INSTALL";
2878                 _nodefault
2879             }
2880         _nodefault
2881     }
2882 }
2883
2884 - (NSString *) id {
2885     return id_;
2886 }
2887
2888 - (NSString *) name {
2889     return name_.empty() ? id_ : name_;
2890 }
2891
2892 - (UIImage *) icon {
2893     NSString *section = [self simpleSection];
2894
2895     UIImage *icon(nil);
2896     if (parsed_ != NULL)
2897         if (NSString *href = parsed_->icon_)
2898             if ([href hasPrefix:@"file:///"])
2899                 // XXX: correct escaping
2900                 icon = [UIImage imageAtPath:[href substringFromIndex:7]];
2901     if (icon == nil) if (section != nil)
2902         icon = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]];
2903     if (icon == nil) if (Source *source = [self source]) if (NSString *dicon = [source defaultIcon])
2904         if ([dicon hasPrefix:@"file:///"])
2905             // XXX: correct escaping
2906             icon = [UIImage imageAtPath:[dicon substringFromIndex:7]];
2907     if (icon == nil)
2908         icon = [UIImage applicationImageNamed:@"unknown.png"];
2909     return icon;
2910 }
2911
2912 - (NSString *) homepage {
2913     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->homepage_);
2914 }
2915
2916 - (NSString *) depiction {
2917     return parsed_ != NULL && !parsed_->depiction_.empty() ? parsed_->depiction_ : [[self source] depictionForPackage:id_];
2918 }
2919
2920 - (Address *) sponsor {
2921     return parsed_ == NULL || parsed_->sponsor_.empty() ? nil : [Address addressWithString:parsed_->sponsor_];
2922 }
2923
2924 - (Address *) author {
2925     return parsed_ == NULL || parsed_->author_.empty() ? nil : [Address addressWithString:parsed_->author_];
2926 }
2927
2928 - (NSString *) support {
2929     return parsed_ != NULL && !parsed_->bugs_.empty() ? parsed_->bugs_ : [[self source] supportForPackage:id_];
2930 }
2931
2932 - (NSArray *) files {
2933     NSString *path = [NSString stringWithFormat:@"/var/lib/dpkg/info/%@.list", static_cast<NSString *>(id_)];
2934     NSMutableArray *files = [NSMutableArray arrayWithCapacity:128];
2935
2936     std::ifstream fin;
2937     fin.open([path UTF8String]);
2938     if (!fin.is_open())
2939         return nil;
2940
2941     std::string line;
2942     while (std::getline(fin, line))
2943         [files addObject:[NSString stringWithUTF8String:line.c_str()]];
2944
2945     return files;
2946 }
2947
2948 - (NSString *) state {
2949 @synchronized (database_) {
2950     if ([database_ era] != era_ || file_.end())
2951         return nil;
2952
2953     switch (iterator_->CurrentState) {
2954         case pkgCache::State::NotInstalled:
2955             return @"NotInstalled";
2956         case pkgCache::State::UnPacked:
2957             return @"UnPacked";
2958         case pkgCache::State::HalfConfigured:
2959             return @"HalfConfigured";
2960         case pkgCache::State::HalfInstalled:
2961             return @"HalfInstalled";
2962         case pkgCache::State::ConfigFiles:
2963             return @"ConfigFiles";
2964         case pkgCache::State::Installed:
2965             return @"Installed";
2966         case pkgCache::State::TriggersAwaited:
2967             return @"TriggersAwaited";
2968         case pkgCache::State::TriggersPending:
2969             return @"TriggersPending";
2970     }
2971
2972     return (NSString *) [NSNull null];
2973 } }
2974
2975 - (NSString *) selection {
2976 @synchronized (database_) {
2977     if ([database_ era] != era_ || file_.end())
2978         return nil;
2979
2980     switch (iterator_->SelectedState) {
2981         case pkgCache::State::Unknown:
2982             return @"Unknown";
2983         case pkgCache::State::Install:
2984             return @"Install";
2985         case pkgCache::State::Hold:
2986             return @"Hold";
2987         case pkgCache::State::DeInstall:
2988             return @"DeInstall";
2989         case pkgCache::State::Purge:
2990             return @"Purge";
2991     }
2992
2993     return (NSString *) [NSNull null];
2994 } }
2995
2996 - (NSArray *) warnings {
2997     NSMutableArray *warnings([NSMutableArray arrayWithCapacity:4]);
2998     const char *name(iterator_.Name());
2999
3000     size_t length(strlen(name));
3001     if (length < 2) invalid:
3002         [warnings addObject:UCLocalize("ILLEGAL_PACKAGE_IDENTIFIER")];
3003     else for (size_t i(0); i != length; ++i)
3004         if (
3005             /* XXX: technically this is not allowed */
3006             (name[i] < 'A' || name[i] > 'Z') &&
3007             (name[i] < 'a' || name[i] > 'z') &&
3008             (name[i] < '0' || name[i] > '9') &&
3009             (i == 0 || name[i] != '+' && name[i] != '-' && name[i] != '.')
3010         ) goto invalid;
3011
3012     if (strcmp(name, "cydia") != 0) {
3013         bool cydia = false;
3014         bool user = false;
3015         bool _private = false;
3016         bool stash = false;
3017
3018         bool repository = [[self section] isEqualToString:@"Repositories"];
3019
3020         if (NSArray *files = [self files])
3021             for (NSString *file in files)
3022                 if (!cydia && [file isEqualToString:@"/Applications/Cydia.app"])
3023                     cydia = true;
3024                 else if (!user && [file isEqualToString:@"/User"])
3025                     user = true;
3026                 else if (!_private && [file isEqualToString:@"/private"])
3027                     _private = true;
3028                 else if (!stash && [file isEqualToString:@"/var/stash"])
3029                     stash = true;
3030
3031         /* XXX: this is not sensitive enough. only some folders are valid. */
3032         if (cydia && !repository)
3033             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"Cydia.app"]];
3034         if (user)
3035             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/User"]];
3036         if (_private)
3037             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/private"]];
3038         if (stash)
3039             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/var/stash"]];
3040     }
3041
3042     return [warnings count] == 0 ? nil : warnings;
3043 }
3044
3045 - (NSArray *) applications {
3046     NSString *me([[NSBundle mainBundle] bundleIdentifier]);
3047
3048     NSMutableArray *applications([NSMutableArray arrayWithCapacity:2]);
3049
3050     static Pcre application_r("^/Applications/(.*)\\.app/Info.plist$");
3051     if (NSArray *files = [self files])
3052         for (NSString *file in files)
3053             if (application_r(file)) {
3054                 NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:file]);
3055                 NSString *id([info objectForKey:@"CFBundleIdentifier"]);
3056                 if ([id isEqualToString:me])
3057                     continue;
3058
3059                 NSString *display([info objectForKey:@"CFBundleDisplayName"]);
3060                 if (display == nil)
3061                     display = application_r[1];
3062
3063                 NSString *bundle([file stringByDeletingLastPathComponent]);
3064                 NSString *icon([info objectForKey:@"CFBundleIconFile"]);
3065                 if (icon == nil || [icon length] == 0)
3066                     icon = @"icon.png";
3067                 NSURL *url([NSURL fileURLWithPath:[bundle stringByAppendingPathComponent:icon]]);
3068
3069                 NSMutableArray *application([NSMutableArray arrayWithCapacity:2]);
3070                 [applications addObject:application];
3071
3072                 [application addObject:id];
3073                 [application addObject:display];
3074                 [application addObject:url];
3075             }
3076
3077     return [applications count] == 0 ? nil : applications;
3078 }
3079
3080 - (Source *) source {
3081     if (source_ == nil) {
3082         @synchronized (database_) {
3083             if ([database_ era] != era_ || file_.end())
3084                 source_ = (Source *) [NSNull null];
3085             else
3086                 source_ = [([database_ getSource:file_.File()] ?: (Source *) [NSNull null]) retain];
3087         }
3088     }
3089
3090     return source_ == (Source *) [NSNull null] ? nil : source_;
3091 }
3092
3093 - (BOOL) matches:(NSString *)text {
3094     if (text == nil)
3095         return NO;
3096
3097     NSRange range;
3098
3099     range = [[self id] rangeOfString:text options:MatchCompareOptions_];
3100     if (range.location != NSNotFound)
3101         return YES;
3102
3103     range = [[self name] rangeOfString:text options:MatchCompareOptions_];
3104     if (range.location != NSNotFound)
3105         return YES;
3106
3107     [self parse];
3108
3109     range = [[self shortDescription] rangeOfString:text options:MatchCompareOptions_];
3110     if (range.location != NSNotFound)
3111         return YES;
3112
3113     return NO;
3114 }
3115
3116 - (bool) hasSupportingRole {
3117     if (role_ == 0)
3118         return true;
3119     if (role_ == 1)
3120         return true;
3121     if ([Role_ isEqualToString:@"User"])
3122         return false;
3123     if (role_ == 2)
3124         return true;
3125     if ([Role_ isEqualToString:@"Hacker"])
3126         return false;
3127     if (role_ == 3)
3128         return true;
3129     if ([Role_ isEqualToString:@"Developer"])
3130         return false;
3131     _assert(false);
3132 }
3133
3134 - (NSArray *) tags {
3135     return tags_;
3136 }
3137
3138 - (BOOL) hasTag:(NSString *)tag {
3139     return tags_ == nil ? NO : [tags_ containsObject:tag];
3140 }
3141
3142 - (NSString *) primaryPurpose {
3143     for (NSString *tag in tags_)
3144         if ([tag hasPrefix:@"purpose::"])
3145             return [tag substringFromIndex:9];
3146     return nil;
3147 }
3148
3149 - (NSArray *) purposes {
3150     NSMutableArray *purposes([NSMutableArray arrayWithCapacity:2]);
3151     for (NSString *tag in tags_)
3152         if ([tag hasPrefix:@"purpose::"])
3153             [purposes addObject:[tag substringFromIndex:9]];
3154     return [purposes count] == 0 ? nil : purposes;
3155 }
3156
3157 - (bool) isCommercial {
3158     return [self hasTag:@"cydia::commercial"];
3159 }
3160
3161 - (void) setIndex:(size_t)index {
3162     if (metadata_->index_ != index)
3163         metadata_->index_ = index;
3164 }
3165
3166 - (CYString &) cyname {
3167     return name_.empty() ? id_ : name_;
3168 }
3169
3170 - (uint32_t) compareBySection:(NSArray *)sections {
3171     NSString *section([self section]);
3172     for (size_t i(0), e([sections count]); i != e; ++i) {
3173         if ([section isEqualToString:[[sections objectAtIndex:i] name]])
3174             return i;
3175     }
3176
3177     return _not(uint32_t);
3178 }
3179
3180 - (void) clear {
3181 @synchronized (database_) {
3182     pkgProblemResolver *resolver = [database_ resolver];
3183     resolver->Clear(iterator_);
3184
3185     pkgCacheFile &cache([database_ cache]);
3186     cache->SetReInstall(iterator_, false);
3187     cache->MarkKeep(iterator_, false);
3188 } }
3189
3190 - (void) install {
3191 @synchronized (database_) {
3192     pkgProblemResolver *resolver = [database_ resolver];
3193     resolver->Clear(iterator_);
3194     resolver->Protect(iterator_);
3195
3196     pkgCacheFile &cache([database_ cache]);
3197     cache->SetReInstall(iterator_, false);
3198     cache->MarkInstall(iterator_, false);
3199
3200     pkgDepCache::StateCache &state((*cache)[iterator_]);
3201     if (!state.Install())
3202         cache->SetReInstall(iterator_, true);
3203 } }
3204
3205 - (void) remove {
3206 @synchronized (database_) {
3207     pkgProblemResolver *resolver = [database_ resolver];
3208     resolver->Clear(iterator_);
3209     resolver->Remove(iterator_);
3210     resolver->Protect(iterator_);
3211
3212     pkgCacheFile &cache([database_ cache]);
3213     cache->SetReInstall(iterator_, false);
3214     cache->MarkDelete(iterator_, true);
3215 } }
3216
3217 - (bool) isUnfilteredAndSearchedForBy:(NSString *)search {
3218     _profile(Package$isUnfilteredAndSearchedForBy)
3219         bool value(true);
3220
3221         _profile(Package$isUnfilteredAndSearchedForBy$Unfiltered)
3222             value &= [self unfiltered];
3223         _end
3224
3225         _profile(Package$isUnfilteredAndSearchedForBy$Match)
3226             value &= [self matches:search];
3227         _end
3228
3229         return value;
3230     _end
3231 }
3232
3233 - (bool) isUnfilteredAndSelectedForBy:(NSString *)search {
3234     if ([search length] == 0)
3235         return false;
3236
3237     _profile(Package$isUnfilteredAndSelectedForBy)
3238         bool value(true);
3239
3240         _profile(Package$isUnfilteredAndSelectedForBy$Unfiltered)
3241             value &= [self unfiltered];
3242         _end
3243
3244         _profile(Package$isUnfilteredAndSelectedForBy$Match)
3245             value &= [[self name] compare:search options:MatchCompareOptions_ range:NSMakeRange(0, [search length])] == NSOrderedSame;
3246         _end
3247
3248         return value;
3249     _end
3250 }
3251
3252 - (bool) isInstalledAndUnfiltered:(NSNumber *)number {
3253     return ![self uninstalled] && (![number boolValue] && role_ != 7 || [self unfiltered]);
3254 }
3255
3256 - (bool) isVisibleInSection:(NSString *)name {
3257     NSString *section([self section]);
3258
3259     return (
3260         name == nil ||
3261         section == nil && [name length] == 0 ||
3262         [name isEqualToString:section]
3263     ) && [self visible];
3264 }
3265
3266 - (bool) isVisibleInSource:(Source *)source {
3267     return [self source] == source && [self visible];
3268 }
3269
3270 @end
3271 /* }}} */
3272 /* Section Class {{{ */
3273 @interface Section : NSObject {
3274     NSString *name_;
3275     unichar index_;
3276     size_t row_;
3277     size_t count_;
3278     NSString *localized_;
3279 }
3280
3281 - (NSComparisonResult) compareByLocalized:(Section *)section;
3282 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized;
3283 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize;
3284 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize;
3285 - (Section *) initWithIndex:(unichar)index row:(size_t)row;
3286 - (NSString *) name;
3287 - (unichar) index;
3288
3289 - (size_t) row;
3290 - (size_t) count;
3291
3292 - (void) addToRow;
3293 - (void) addToCount;
3294
3295 - (void) setCount:(size_t)count;
3296 - (NSString *) localized;
3297
3298 @end
3299
3300 @implementation Section
3301
3302 - (void) dealloc {
3303     [name_ release];
3304     if (localized_ != nil)
3305         [localized_ release];
3306     [super dealloc];
3307 }
3308
3309 - (NSComparisonResult) compareByLocalized:(Section *)section {
3310     NSString *lhs(localized_);
3311     NSString *rhs([section localized]);
3312
3313     /*if ([lhs length] != 0 && [rhs length] != 0) {
3314         unichar lhc = [lhs characterAtIndex:0];
3315         unichar rhc = [rhs characterAtIndex:0];
3316
3317         if (isalpha(lhc) && !isalpha(rhc))
3318             return NSOrderedAscending;
3319         else if (!isalpha(lhc) && isalpha(rhc))
3320             return NSOrderedDescending;
3321     }*/
3322
3323     return [lhs compare:rhs options:LaxCompareOptions_];
3324 }
3325
3326 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized {
3327     if ((self = [self initWithName:name localize:NO]) != nil) {
3328         if (localized != nil)
3329             localized_ = [localized retain];
3330     } return self;
3331 }
3332
3333 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize {
3334     return [self initWithName:name row:0 localize:localize];
3335 }
3336
3337 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize {
3338     if ((self = [super init]) != nil) {
3339         name_ = [name retain];
3340         index_ = '\0';
3341         row_ = row;
3342         if (localize)
3343             localized_ = [LocalizeSection(name_) retain];
3344     } return self;
3345 }
3346
3347 /* XXX: localize the index thingees */
3348 - (Section *) initWithIndex:(unichar)index row:(size_t)row {
3349     if ((self = [super init]) != nil) {
3350         name_ = [[NSString stringWithCharacters:&index length:1] retain];
3351         index_ = index;
3352         row_ = row;
3353     } return self;
3354 }
3355
3356 - (NSString *) name {
3357     return name_;
3358 }
3359
3360 - (unichar) index {
3361     return index_;
3362 }
3363
3364 - (size_t) row {
3365     return row_;
3366 }
3367
3368 - (size_t) count {
3369     return count_;
3370 }
3371
3372 - (void) addToRow {
3373     ++row_;
3374 }
3375
3376 - (void) addToCount {
3377     ++count_;
3378 }
3379
3380 - (void) setCount:(size_t)count {
3381     count_ = count;
3382 }
3383
3384 - (NSString *) localized {
3385     return localized_;
3386 }
3387
3388 @end
3389 /* }}} */
3390
3391 static NSString *Colon_;
3392 static NSString *Elision_;
3393 static NSString *Error_;
3394 static NSString *Warning_;
3395
3396 /* Database Implementation {{{ */
3397 @implementation Database
3398
3399 + (Database *) sharedInstance {
3400     static Database *instance;
3401     if (instance == nil)
3402         instance = [[Database alloc] init];
3403     return instance;
3404 }
3405
3406 - (unsigned) era {
3407     return era_;
3408 }
3409
3410 - (void) releasePackages {
3411     CFArrayApplyFunction(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFArrayApplierFunction>(&CFRelease), NULL);
3412     CFArrayRemoveAllValues(packages_);
3413 }
3414
3415 - (void) dealloc {
3416     // XXX: actually implement this thing
3417     _assert(false);
3418     [sourceList_ release];
3419     [self releasePackages];
3420     apr_pool_destroy(pool_);
3421     NSRecycleZone(zone_);
3422     [super dealloc];
3423 }
3424
3425 - (void) _readCydia:(NSNumber *)fd { _pooled
3426     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3427     std::istream is(&ib);
3428     std::string line;
3429
3430     static Pcre finish_r("^finish:([^:]*)$");
3431
3432     while (std::getline(is, line)) {
3433         const char *data(line.c_str());
3434         size_t size = line.size();
3435         lprintf("C:%s\n", data);
3436
3437         if (finish_r(data, size)) {
3438             NSString *finish = finish_r[1];
3439             int index = [Finishes_ indexOfObject:finish];
3440             if (index != INT_MAX && index > Finish_)
3441                 Finish_ = index;
3442         }
3443     }
3444
3445     _assume(false);
3446 }
3447
3448 - (void) _readStatus:(NSNumber *)fd { _pooled
3449     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3450     std::istream is(&ib);
3451     std::string line;
3452
3453     static Pcre conffile_r("^status: [^ ]* : conffile-prompt : (.*?) *$");
3454     static Pcre pmstatus_r("^([^:]*):([^:]*):([^:]*):(.*)$");
3455
3456     while (std::getline(is, line)) {
3457         const char *data(line.c_str());
3458         size_t size(line.size());
3459         lprintf("S:%s\n", data);
3460
3461         if (conffile_r(data, size)) {
3462             // status: /fail : conffile-prompt : '/fail' '/fail.dpkg-new' 1 1
3463             [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:conffile_r[1] waitUntilDone:YES];
3464         } else if (strncmp(data, "status: ", 8) == 0) {
3465             // status: <package>: {unpacked,half-configured,installed}
3466             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 8)] ofType:kCydiaProgressEventTypeStatus]);
3467             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3468         } else if (strncmp(data, "processing: ", 12) == 0) {
3469             // processing: configure: config-test
3470             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 12)] ofType:kCydiaProgressEventTypeStatus]);
3471             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3472         } else if (pmstatus_r(data, size)) {
3473             std::string type([pmstatus_r[1] UTF8String]);
3474
3475             NSString *package = pmstatus_r[2];
3476             if ([package isEqualToString:@"dpkg-exec"])
3477                 package = nil;
3478
3479             float percent([pmstatus_r[3] floatValue]);
3480             [progress_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:(percent / 100)] waitUntilDone:YES];
3481
3482             NSString *string = pmstatus_r[4];
3483
3484             if (type == "pmerror") {
3485                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:kCydiaProgressEventTypeError forPackage:package]);
3486                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3487             } else if (type == "pmstatus") {
3488                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:kCydiaProgressEventTypeStatus forPackage:package]);
3489                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3490             } else if (type == "pmconffile")
3491                 [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:string waitUntilDone:YES];
3492             else
3493                 lprintf("E:unknown pmstatus\n");
3494         } else
3495             lprintf("E:unknown status\n");
3496     }
3497
3498     _assume(false);
3499 }
3500
3501 - (void) _readOutput:(NSNumber *)fd { _pooled
3502     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3503     std::istream is(&ib);
3504     std::string line;
3505
3506     while (std::getline(is, line)) {
3507         lprintf("O:%s\n", line.c_str());
3508
3509         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:line.c_str()] ofType:kCydiaProgressEventTypeInformation]);
3510         [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3511     }
3512
3513     _assume(false);
3514 }
3515
3516 - (FILE *) input {
3517     return input_;
3518 }
3519
3520 - (Package *) packageWithName:(NSString *)name {
3521 @synchronized (self) {
3522     if (static_cast<pkgDepCache *>(cache_) == NULL)
3523         return nil;
3524     pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]));
3525     return iterator.end() ? nil : [Package packageWithIterator:iterator withZone:NULL inPool:pool_ database:self];
3526 } }
3527
3528 - (id) init {
3529     if ((self = [super init]) != nil) {
3530         policy_ = NULL;
3531         records_ = NULL;
3532         resolver_ = NULL;
3533         fetcher_ = NULL;
3534         lock_ = NULL;
3535
3536         zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3537         apr_pool_create(&pool_, NULL);
3538
3539         size_t capacity(MetaFile_->active_);
3540         if (capacity == 0)
3541             capacity = 16384;
3542         else
3543             capacity += 1024;
3544
3545         packages_ = CFArrayCreateMutable(kCFAllocatorDefault, capacity, NULL);
3546         sourceList_ = [[NSMutableArray alloc] initWithCapacity:16];
3547
3548         int fds[2];
3549
3550         _assert(pipe(fds) != -1);
3551         cydiafd_ = fds[1];
3552
3553         _config->Set("APT::Keep-Fds::", cydiafd_);
3554         setenv("CYDIA", [[[[NSNumber numberWithInt:cydiafd_] stringValue] stringByAppendingString:@" 1"] UTF8String], _not(int));
3555
3556         [NSThread
3557             detachNewThreadSelector:@selector(_readCydia:)
3558             toTarget:self
3559             withObject:[NSNumber numberWithInt:fds[0]]
3560         ];
3561
3562         _assert(pipe(fds) != -1);
3563         statusfd_ = fds[1];
3564
3565         [NSThread
3566             detachNewThreadSelector:@selector(_readStatus:)
3567             toTarget:self
3568             withObject:[NSNumber numberWithInt:fds[0]]
3569         ];
3570
3571         _assert(pipe(fds) != -1);
3572         _assert(dup2(fds[0], 0) != -1);
3573         _assert(close(fds[0]) != -1);
3574
3575         input_ = fdopen(fds[1], "a");
3576
3577         _assert(pipe(fds) != -1);
3578         _assert(dup2(fds[1], 1) != -1);
3579         _assert(close(fds[1]) != -1);
3580
3581         [NSThread
3582             detachNewThreadSelector:@selector(_readOutput:)
3583             toTarget:self
3584             withObject:[NSNumber numberWithInt:fds[0]]
3585         ];
3586     } return self;
3587 }
3588
3589 - (pkgCacheFile &) cache {
3590     return cache_;
3591 }
3592
3593 - (pkgDepCache::Policy *) policy {
3594     return policy_;
3595 }
3596
3597 - (pkgRecords *) records {
3598     return records_;
3599 }
3600
3601 - (pkgProblemResolver *) resolver {
3602     return resolver_;
3603 }
3604
3605 - (pkgAcquire &) fetcher {
3606     return *fetcher_;
3607 }
3608
3609 - (pkgSourceList &) list {
3610     return *list_;
3611 }
3612
3613 - (NSArray *) packages {
3614     return (NSArray *) packages_;
3615 }
3616
3617 - (NSArray *) sources {
3618     return sourceList_;
3619 }
3620
3621 - (Source *) sourceWithKey:(NSString *)key {
3622     for (Source *source in [self sources]) {
3623         if ([[source key] isEqualToString:key])
3624             return source;
3625     } return nil;
3626 }
3627
3628 - (bool) popErrorWithTitle:(NSString *)title {
3629     bool fatal(false);
3630
3631     while (!_error->empty()) {
3632         std::string error;
3633         bool warning(!_error->PopMessage(error));
3634         if (!warning)
3635             fatal = true;
3636
3637         for (;;) {
3638             size_t size(error.size());
3639             if (size == 0 || error[size - 1] != '\n')
3640                 break;
3641             error.resize(size - 1);
3642         }
3643
3644         lprintf("%c:[%s]\n", warning ? 'W' : 'E', error.c_str());
3645
3646         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? kCydiaProgressEventTypeWarning : kCydiaProgressEventTypeError)] forTask:title];
3647     }
3648
3649     return fatal;
3650 }
3651
3652 - (bool) popErrorWithTitle:(NSString *)title forOperation:(bool)success {
3653     return [self popErrorWithTitle:title] || !success;
3654 }
3655
3656 - (void) reloadDataWithInvocation:(NSInvocation *)invocation { CYPoolStart() {
3657 @synchronized (self) {
3658     ++era_;
3659
3660     [self releasePackages];
3661
3662     sourceMap_.clear();
3663     [sourceList_ removeAllObjects];
3664
3665     _error->Discard();
3666
3667     delete list_;
3668     list_ = NULL;
3669     manager_ = NULL;
3670     delete lock_;
3671     lock_ = NULL;
3672     delete fetcher_;
3673     fetcher_ = NULL;
3674     delete resolver_;
3675     resolver_ = NULL;
3676     delete records_;
3677     records_ = NULL;
3678     delete policy_;
3679     policy_ = NULL;
3680
3681     cache_.Close();
3682
3683     apr_pool_clear(pool_);
3684
3685     NSRecycleZone(zone_);
3686     zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3687
3688     int chk(creat("/tmp/cydia.chk", 0644));
3689     if (chk != -1)
3690         close(chk);
3691
3692     if (invocation != nil)
3693         [invocation invoke];
3694
3695     NSString *title(UCLocalize("DATABASE"));
3696
3697     _trace();
3698     OpProgress progress;
3699     while (!cache_.Open(progress, true)) { pop:
3700         std::string error;
3701         bool warning(!_error->PopMessage(error));
3702         lprintf("cache_.Open():[%s]\n", error.c_str());
3703
3704         if (error == "dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem. ")
3705             [delegate_ repairWithSelector:@selector(configure)];
3706         else if (error == "The package lists or status file could not be parsed or opened.")
3707             [delegate_ repairWithSelector:@selector(update)];
3708         // else if (error == "Could not get lock /var/lib/dpkg/lock - open (35 Resource temporarily unavailable)")
3709         // else if (error == "Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)")
3710         // else if (error == "Malformed Status line")
3711         // else if (error == "The list of sources could not be read.")
3712         else {
3713             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? kCydiaProgressEventTypeWarning : kCydiaProgressEventTypeError)] forTask:title];
3714             return;
3715         }
3716
3717         if (warning)
3718             goto pop;
3719         _error->Discard();
3720     }
3721     _trace();
3722
3723     unlink("/tmp/cydia.chk");
3724
3725     now_ = [[NSDate date] timeIntervalSince1970];
3726
3727     policy_ = new pkgDepCache::Policy();
3728     records_ = new pkgRecords(cache_);
3729     resolver_ = new pkgProblemResolver(cache_);
3730     fetcher_ = new pkgAcquire(&status_);
3731     lock_ = NULL;
3732
3733     list_ = new pkgSourceList();
3734     if ([self popErrorWithTitle:title forOperation:list_->ReadMainList()])
3735         return;
3736
3737     if (cache_->DelCount() != 0 || cache_->InstCount() != 0) {
3738         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("COUNTS_NONZERO_EX") ofType:kCydiaProgressEventTypeError] forTask:title];
3739         return;
3740     }
3741
3742     if ([self popErrorWithTitle:title forOperation:pkgApplyStatus(cache_)])
3743         return;
3744
3745     if (cache_->BrokenCount() != 0) {
3746         if ([self popErrorWithTitle:title forOperation:pkgFixBroken(cache_)])
3747             return;
3748
3749         if (cache_->BrokenCount() != 0) {
3750             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("STILL_BROKEN_EX") ofType:kCydiaProgressEventTypeError] forTask:title];
3751             return;
3752         }
3753
3754         if ([self popErrorWithTitle:title forOperation:pkgMinimizeUpgrade(cache_)])
3755             return;
3756     }
3757
3758     for (pkgSourceList::const_iterator source = list_->begin(); source != list_->end(); ++source) {
3759         Source *object([[[Source alloc] initWithMetaIndex:*source inPool:pool_] autorelease]);
3760         [sourceList_ addObject:object];
3761
3762         std::vector<pkgIndexFile *> *indices = (*source)->GetIndexFiles();
3763         for (std::vector<pkgIndexFile *>::const_iterator index = indices->begin(); index != indices->end(); ++index)
3764             // XXX: this could be more intelligent
3765             if (dynamic_cast<debPackagesIndex *>(*index) != NULL) {
3766                 pkgCache::PkgFileIterator cached((*index)->FindInCache(cache_));
3767                 if (!cached.end())
3768                     sourceMap_[cached->ID] = object;
3769             }
3770     }
3771
3772     {
3773         /*std::vector<Package *> packages;
3774         packages.reserve(std::max(10000U, [packages_ count] + 1000));
3775         [packages_ release];
3776         packages_ = nil;*/
3777
3778         _trace();
3779
3780         for (pkgCache::PkgIterator iterator = cache_->PkgBegin(); !iterator.end(); ++iterator)
3781             if (Package *package = [Package packageWithIterator:iterator withZone:zone_ inPool:pool_ database:self])
3782                 //packages.push_back(package);
3783                 CFArrayAppendValue(packages_, [package retain]);
3784
3785         _trace();
3786
3787         /*if (packages.empty())
3788             packages_ = [[NSArray alloc] init];
3789         else
3790             packages_ = [[NSArray alloc] initWithObjects:&packages.front() count:packages.size()];
3791         _trace();*/
3792
3793         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(16)];
3794         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(4)];
3795         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(0)];
3796
3797         /*_trace();
3798         PrintTimes();
3799         _trace();*/
3800
3801         _trace();
3802
3803         /*if (!packages.empty())
3804             CFQSortArray(&packages.front(), packages.size(), sizeof(packages.front()), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare_), NULL);*/
3805         //std::sort(packages.begin(), packages.end(), PackageNameOrdering());
3806
3807         //CFArraySortValues((CFMutableArrayRef) packages_, CFRangeMake(0, [packages_ count]), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3808
3809         CFArrayInsertionSortValues(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3810
3811         //[packages_ sortUsingFunction:reinterpret_cast<NSComparisonResult (*)(id, id, void *)>(&PackageNameCompare) context:NULL];
3812
3813         _trace();
3814
3815         size_t count(CFArrayGetCount(packages_));
3816         MetaFile_->active_ = count;
3817
3818         for (size_t index(0); index != count; ++index)
3819             [(Package *) CFArrayGetValueAtIndex(packages_, index) setIndex:index];
3820
3821         _trace();
3822     }
3823 } } CYPoolEnd() _trace(); }
3824
3825 - (void) clear {
3826 @synchronized (self) {
3827     delete resolver_;
3828     resolver_ = new pkgProblemResolver(cache_);
3829
3830     for (pkgCache::PkgIterator iterator(cache_->PkgBegin()); !iterator.end(); ++iterator)
3831         if (!cache_[iterator].Keep())
3832             cache_->MarkKeep(iterator, false);
3833         else if ((cache_[iterator].iFlags & pkgDepCache::ReInstall) != 0)
3834             cache_->SetReInstall(iterator, false);
3835 } }
3836
3837 - (void) configure {
3838     NSString *dpkg = [NSString stringWithFormat:@"dpkg --configure -a --status-fd %u", statusfd_];
3839     _trace();
3840     system([dpkg UTF8String]);
3841     _trace();
3842 }
3843
3844 - (bool) clean {
3845     // XXX: I don't remember this condition
3846     if (lock_ != NULL)
3847         return false;
3848
3849     FileFd Lock;
3850     Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3851
3852     NSString *title(UCLocalize("CLEAN_ARCHIVES"));
3853
3854     if ([self popErrorWithTitle:title])
3855         return false;
3856
3857     pkgAcquire fetcher;
3858     fetcher.Clean(_config->FindDir("Dir::Cache::Archives"));
3859
3860     class LogCleaner :
3861         public pkgArchiveCleaner
3862     {
3863       protected:
3864         virtual void Erase(const char *File, std::string Pkg, std::string Ver, struct stat &St) {
3865             unlink(File);
3866         }
3867     } cleaner;
3868
3869     if ([self popErrorWithTitle:title forOperation:cleaner.Go(_config->FindDir("Dir::Cache::Archives") + "partial/", cache_)])
3870         return false;
3871
3872     return true;
3873 }
3874
3875 - (bool) prepare {
3876     fetcher_->Shutdown();
3877
3878     pkgRecords records(cache_);
3879
3880     lock_ = new FileFd();
3881     lock_->Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3882
3883     NSString *title(UCLocalize("PREPARE_ARCHIVES"));
3884
3885     if ([self popErrorWithTitle:title])
3886         return false;
3887
3888     pkgSourceList list;
3889     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3890         return false;
3891
3892     manager_ = (_system->CreatePM(cache_));
3893     if ([self popErrorWithTitle:title forOperation:manager_->GetArchives(fetcher_, &list, &records)])
3894         return false;
3895
3896     return true;
3897 }
3898
3899 - (void) perform {
3900     bool substrate(RestartSubstrate_);
3901     RestartSubstrate_ = false;
3902
3903     NSString *title(UCLocalize("PERFORM_SELECTIONS"));
3904
3905     NSMutableArray *before = [NSMutableArray arrayWithCapacity:16]; {
3906         pkgSourceList list;
3907         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3908             return;
3909         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3910             [before addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3911     }
3912
3913     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3914
3915     if (fetcher_->Run(PulseInterval_) != pkgAcquire::Continue) {
3916         _trace();
3917         [self popErrorWithTitle:title];
3918         return;
3919     }
3920
3921     bool failed = false;
3922     for (pkgAcquire::ItemIterator item = fetcher_->ItemsBegin(); item != fetcher_->ItemsEnd(); item++) {
3923         if ((*item)->Status == pkgAcquire::Item::StatDone && (*item)->Complete)
3924             continue;
3925         if ((*item)->Status == pkgAcquire::Item::StatIdle)
3926             continue;
3927
3928         failed = true;
3929     }
3930
3931     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3932
3933     if (failed) {
3934         _trace();
3935         return;
3936     }
3937
3938     if (substrate)
3939         RestartSubstrate_ = true;
3940
3941     _system->UnLock();
3942     pkgPackageManager::OrderResult result = manager_->DoInstall(statusfd_);
3943
3944     if (_error->PendingError()) {
3945         _trace();
3946         return;
3947     }
3948
3949     if (result == pkgPackageManager::Failed) {
3950         _trace();
3951         return;
3952     }
3953
3954     if (result != pkgPackageManager::Completed) {
3955         _trace();
3956         return;
3957     }
3958
3959     NSMutableArray *after = [NSMutableArray arrayWithCapacity:16]; {
3960         pkgSourceList list;
3961         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3962             return;
3963         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3964             [after addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3965     }
3966
3967     if (![before isEqualToArray:after])
3968         [self update];
3969 }
3970
3971 - (bool) upgrade {
3972     NSString *title(UCLocalize("UPGRADE"));
3973     if ([self popErrorWithTitle:title forOperation:pkgDistUpgrade(cache_)])
3974         return false;
3975     return true;
3976 }
3977
3978 - (void) update {
3979     [self updateWithStatus:status_];
3980 }
3981
3982 - (void) updateWithStatus:(Status &)status {
3983     NSString *title(UCLocalize("REFRESHING_DATA"));
3984
3985     pkgSourceList list;
3986     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3987         return;
3988
3989     FileFd lock;
3990     lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
3991     if ([self popErrorWithTitle:title])
3992         return;
3993
3994     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3995
3996     bool success(ListUpdate(status, list, PulseInterval_));
3997     if (status.WasCancelled())
3998         _error->Discard();
3999     else
4000         [self popErrorWithTitle:title forOperation:success];
4001
4002     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
4003
4004     [Metadata_ setObject:[NSDate date] forKey:@"LastUpdate"];
4005     Changed_ = true;
4006 }
4007
4008 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate {
4009     delegate_ = delegate;
4010 }
4011
4012 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate {
4013     progress_ = delegate;
4014     status_.setDelegate(delegate);
4015 }
4016
4017 - (NSObject<ProgressDelegate> *) progressDelegate {
4018     return progress_;
4019 }
4020
4021 - (Source *) getSource:(pkgCache::PkgFileIterator)file {
4022     SourceMap::const_iterator i(sourceMap_.find(file->ID));
4023     return i == sourceMap_.end() ? nil : i->second;
4024 }
4025
4026 - (NSString *) mappedSectionForPointer:(const char *)section {
4027     _H<NSString> *mapped;
4028
4029     _profile(Database$mappedSectionForPointer$Cache)
4030         mapped = &sections_[section];
4031     _end
4032
4033     if (*mapped == NULL) {
4034         size_t length(strlen(section));
4035         char spaced[length + 1];
4036
4037         _profile(Database$mappedSectionForPointer$Replace)
4038             for (size_t index(0); index != length; ++index)
4039                 spaced[index] = section[index] == '_' ? ' ' : section[index];
4040             spaced[length] = '\0';
4041         _end
4042
4043         NSString *string;
4044
4045         _profile(Database$mappedSectionForPointer$stringWithUTF8String)
4046             string = [NSString stringWithUTF8String:spaced];
4047         _end
4048
4049         _profile(Database$mappedSectionForPointer$Map)
4050             string = [SectionMap_ objectForKey:string] ?: string;
4051         _end
4052
4053         *mapped = string;
4054     } return *mapped;
4055 }
4056
4057 @end
4058 /* }}} */
4059
4060 @interface Diversion : NSObject {
4061     Pcre pattern_;
4062     _H<NSString> key_;
4063     _H<NSString> format_;
4064 }
4065
4066 @end
4067
4068 @implementation Diversion
4069
4070 - (id) initWithFrom:(NSString *)from to:(NSString *)to {
4071     if ((self = [super init]) != nil) {
4072         pattern_ = [from UTF8String];
4073         key_ = from;
4074         format_ = to;
4075     } return self;
4076 }
4077
4078 - (NSString *) divert:(NSString *)url {
4079     if (!pattern_(url))
4080         return nil;
4081
4082     size_t count(pattern_.size());
4083     id values[count];
4084     for (size_t i(0); i != count; ++i)
4085         values[i] = pattern_[i + 1];
4086
4087     return [[[NSString alloc] initWithFormat:format_ arguments:reinterpret_cast<va_list>(values)] autorelease];
4088 }
4089
4090 - (NSString *) key {
4091     return key_;
4092 }
4093
4094 - (NSUInteger) hash {
4095     return [key_ hash];
4096 }
4097
4098 - (BOOL) isEqual:(Diversion *)object {
4099     return self == object || [self class] == [object class] && [key_ isEqual:[object key]];
4100 }
4101
4102 @end
4103
4104 @interface CydiaObject : NSObject {
4105     id indirect_;
4106     _transient id delegate_;
4107 }
4108
4109 - (id) initWithDelegate:(IndirectDelegate *)indirect;
4110
4111 @end
4112
4113 @interface CYBrowserController : BrowserController {
4114     CydiaObject *cydia_;
4115 }
4116
4117 + (void) addDiversion:(Diversion *)diversion;
4118
4119 @end
4120
4121 static NSMutableSet *Diversions_;
4122
4123 /* Web Scripting {{{ */
4124 @implementation CydiaObject
4125
4126 - (void) dealloc {
4127     [indirect_ release];
4128     [super dealloc];
4129 }
4130
4131 - (id) initWithDelegate:(IndirectDelegate *)indirect {
4132     if ((self = [super init]) != nil) {
4133         indirect_ = [indirect retain];
4134     } return self;
4135 }
4136
4137 - (void) setDelegate:(id)delegate {
4138     delegate_ = delegate;
4139 }
4140
4141 + (NSArray *) _attributeKeys {
4142     return [NSArray arrayWithObjects:
4143         @"device",
4144         @"ecid",
4145         @"firmware",
4146         @"hostname",
4147         @"idiom",
4148         @"model",
4149         @"plmn",
4150         @"role",
4151         @"serial",
4152         @"token",
4153         @"version",
4154     nil];
4155 }
4156
4157 - (NSArray *) attributeKeys {
4158     return [[self class] _attributeKeys];
4159 }
4160
4161 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
4162     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
4163 }
4164
4165 - (NSString *) version {
4166     return @ Cydia_;
4167 }
4168
4169 - (NSString *) device {
4170     return [[UIDevice currentDevice] uniqueIdentifier];
4171 }
4172
4173 - (NSString *) firmware {
4174     return [[UIDevice currentDevice] systemVersion];
4175 }
4176
4177 - (NSString *) hostname {
4178     return [[UIDevice currentDevice] name];
4179 }
4180
4181 - (NSString *) idiom {
4182     return (id) Idiom_ ?: [NSNull null];
4183 }
4184
4185 - (NSString *) plmn {
4186     return (id) PLMN_ ?: [NSNull null];
4187 }
4188
4189 - (NSString *) ecid {
4190     return (id) ChipID_ ?: [NSNull null];
4191 }
4192
4193 - (NSString *) serial {
4194     return SerialNumber_;
4195 }
4196
4197 - (NSString *) role {
4198     return (id) Role_ ?: [NSNull null];
4199 }
4200
4201 - (NSString *) model {
4202     return [NSString stringWithUTF8String:Machine_];
4203 }
4204
4205 - (NSString *) token {
4206     return (id) Token_ ?: [NSNull null];
4207 }
4208
4209 + (NSString *) webScriptNameForSelector:(SEL)selector {
4210     if (false);
4211     else if (selector == @selector(addBridgedHost:))
4212         return @"addBridgedHost";
4213     else if (selector == @selector(addTrivialSource:))
4214         return @"addTrivialSource";
4215     else if (selector == @selector(close))
4216         return @"close";
4217     else if (selector == @selector(divert::))
4218         return @"divert";
4219     else if (selector == @selector(du:))
4220         return @"du";
4221     else if (selector == @selector(stringWithFormat:arguments:))
4222         return @"format";
4223     else if (selector == @selector(getAllSources))
4224         return @"getAllSourcs";
4225     else if (selector == @selector(getKernelNumber:))
4226         return @"getKernelNumber";
4227     else if (selector == @selector(getKernelString:))
4228         return @"getKernelString";
4229     else if (selector == @selector(getInstalledPackages))
4230         return @"getInstalledPackages";
4231     else if (selector == @selector(getPackageById:))
4232         return @"getPackageById";
4233     else if (selector == @selector(installPackages:))
4234         return @"installPackages";
4235     else if (selector == @selector(localizedStringForKey:value:table:))
4236         return @"localize";
4237     else if (selector == @selector(popViewController:))
4238         return @"popViewController";
4239     else if (selector == @selector(refreshSources))
4240         return @"refreshSources";
4241     else if (selector == @selector(removeButton))
4242         return @"removeButton";
4243     else if (selector == @selector(substitutePackageNames:))
4244         return @"substitutePackageNames";
4245     else if (selector == @selector(scrollToBottom:))
4246         return @"scrollToBottom";
4247     else if (selector == @selector(setAllowsNavigationAction:))
4248         return @"setAllowsNavigationAction";
4249     else if (selector == @selector(setButtonImage:withStyle:toFunction:))
4250         return @"setButtonImage";
4251     else if (selector == @selector(setButtonTitle:withStyle:toFunction:))
4252         return @"setButtonTitle";
4253     else if (selector == @selector(setHidesBackButton:))
4254         return @"setHidesBackButton";
4255     else if (selector == @selector(setHidesNavigationBar:))
4256         return @"setHidesNavigationBar";
4257     else if (selector == @selector(setNavigationBarStyle:))
4258         return @"setNavigationBarStyle";
4259     else if (selector == @selector(setNavigationBarTintRed:green:blue:alpha:))
4260         return @"setNavigationBarTintColor";
4261     else if (selector == @selector(setPopupHook:))
4262         return @"setPopupHook";
4263     else if (selector == @selector(setToken:))
4264         return @"setToken";
4265     else if (selector == @selector(setViewportWidth:))
4266         return @"setViewportWidth";
4267     else if (selector == @selector(statfs:))
4268         return @"statfs";
4269     else if (selector == @selector(supports:))
4270         return @"supports";
4271     else
4272         return nil;
4273 }
4274
4275 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
4276     return [self webScriptNameForSelector:selector] == nil;
4277 }
4278
4279 - (BOOL) supports:(NSString *)feature {
4280     return [feature isEqualToString:@"window.open"];
4281 }
4282
4283 - (void) divert:(NSString *)from :(NSString *)to {
4284     [CYBrowserController performSelectorOnMainThread:@selector(addDiversion:) withObject:[[[Diversion alloc] initWithFrom:from to:to] autorelease] waitUntilDone:NO];
4285 }
4286
4287 - (NSNumber *) getKernelNumber:(NSString *)name {
4288     const char *string([name UTF8String]);
4289
4290     size_t size;
4291     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4292         return (id) [NSNull null];
4293
4294     if (size != sizeof(int))
4295         return (id) [NSNull null];
4296
4297     int value;
4298     if (sysctlbyname(string, &value, &size, NULL, 0) == -1)
4299         return (id) [NSNull null];
4300
4301     return [NSNumber numberWithInt:value];
4302 }
4303
4304 - (NSString *) getKernelString:(NSString *)name {
4305     const char *string([name UTF8String]);
4306
4307     size_t size;
4308     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4309         return (id) [NSNull null];
4310
4311     char value[size + 1];
4312     if (sysctlbyname(string, value, &size, NULL, 0) == -1)
4313         return (id) [NSNull null];
4314
4315     // XXX: just in case you request something ludicrous
4316     value[size] = '\0';
4317
4318     return [NSString stringWithCString:value];
4319 }
4320
4321 - (void) addBridgedHost:(NSString *)host {
4322     [delegate_ performSelectorOnMainThread:@selector(addBridgedHost:) withObject:host waitUntilDone:NO];
4323 }
4324
4325 - (void) popViewController:(NSNumber *)value {
4326     if (value == (id) [WebUndefined undefined])
4327         value = [NSNumber numberWithBool:YES];
4328     [indirect_ performSelectorOnMainThread:@selector(popViewControllerWithNumber:) withObject:value waitUntilDone:NO];
4329 }
4330
4331 - (void) addTrivialSource:(NSString *)href {
4332     [delegate_ performSelectorOnMainThread:@selector(addTrivialSource:) withObject:href waitUntilDone:NO];
4333 }
4334
4335 - (void) refreshSources {
4336     [delegate_ performSelectorOnMainThread:@selector(syncData) withObject:nil waitUntilDone:NO];
4337 }
4338
4339 - (NSArray *) getAllSources {
4340     return [[Database sharedInstance] sources];
4341 }
4342
4343 - (NSArray *) getInstalledPackages {
4344     Database *database([Database sharedInstance]);
4345 @synchronized (database) {
4346     NSArray *packages([database packages]);
4347     NSMutableArray *installed([NSMutableArray arrayWithCapacity:1024]);
4348     for (Package *package in packages)
4349         if (![package uninstalled])
4350             [installed addObject:package];
4351     return installed;
4352 } }
4353
4354 - (Package *) getPackageById:(NSString *)id {
4355     if (Package *package = [[Database sharedInstance] packageWithName:id]) {
4356         [package parse];
4357         return package;
4358     } else
4359         return (Package *) [NSNull null];
4360 }
4361
4362 - (NSArray *) statfs:(NSString *)path {
4363     struct statfs stat;
4364
4365     if (path == nil || statfs([path UTF8String], &stat) == -1)
4366         return nil;
4367
4368     return [NSArray arrayWithObjects:
4369         [NSNumber numberWithUnsignedLong:stat.f_bsize],
4370         [NSNumber numberWithUnsignedLong:stat.f_blocks],
4371         [NSNumber numberWithUnsignedLong:stat.f_bfree],
4372     nil];
4373 }
4374
4375 - (NSNumber *) du:(NSString *)path {
4376     NSNumber *value(nil);
4377
4378     int fds[2];
4379     _assert(pipe(fds) != -1);
4380
4381     pid_t pid(ExecFork());
4382     if (pid == 0) {
4383         _assert(dup2(fds[1], 1) != -1);
4384         _assert(close(fds[0]) != -1);
4385         _assert(close(fds[1]) != -1);
4386         /* XXX: this should probably not use du */
4387         execl("/usr/libexec/cydia/du", "du", "-s", [path UTF8String], NULL);
4388         exit(1);
4389         _assert(false);
4390     }
4391
4392     _assert(close(fds[1]) != -1);
4393
4394     if (FILE *du = fdopen(fds[0], "r")) {
4395         char line[1024];
4396         while (fgets(line, sizeof(line), du) != NULL) {
4397             size_t length(strlen(line));
4398             while (length != 0 && line[length - 1] == '\n')
4399                 line[--length] = '\0';
4400             if (char *tab = strchr(line, '\t')) {
4401                 *tab = '\0';
4402                 value = [NSNumber numberWithUnsignedLong:strtoul(line, NULL, 0)];
4403             }
4404         }
4405
4406         fclose(du);
4407     } else _assert(close(fds[0]));
4408
4409     int status;
4410   wait:
4411     if (waitpid(pid, &status, 0) == -1)
4412         if (errno == EINTR)
4413             goto wait;
4414         else _assert(false);
4415
4416     return value;
4417 }
4418
4419 - (void) close {
4420     [indirect_ performSelectorOnMainThread:@selector(close) withObject:nil waitUntilDone:NO];
4421 }
4422
4423 - (void) installPackages:(NSArray *)packages {
4424     [delegate_ performSelectorOnMainThread:@selector(installPackages:) withObject:packages waitUntilDone:NO];
4425 }
4426
4427 - (NSString *) substitutePackageNames:(NSString *)message {
4428     NSMutableArray *words([[message componentsSeparatedByString:@" "] mutableCopy]);
4429     for (size_t i(0), e([words count]); i != e; ++i) {
4430         NSString *word([words objectAtIndex:i]);
4431         if (Package *package = [[Database sharedInstance] packageWithName:word])
4432             [words replaceObjectAtIndex:i withObject:[package name]];
4433     }
4434
4435     return [words componentsJoinedByString:@" "];
4436 }
4437
4438 - (void) removeButton {
4439     [indirect_ removeButton];
4440 }
4441
4442 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4443     [indirect_ setButtonImage:button withStyle:style toFunction:function];
4444 }
4445
4446 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4447     [indirect_ setButtonTitle:button withStyle:style toFunction:function];
4448 }
4449
4450 - (void) setAllowsNavigationAction:(NSString *)value {
4451     [indirect_ performSelectorOnMainThread:@selector(setAllowsNavigationActionByNumber:) withObject:value waitUntilDone:NO];
4452 }
4453
4454 - (void) setHidesBackButton:(NSString *)value {
4455     [indirect_ performSelectorOnMainThread:@selector(setHidesBackButtonByNumber:) withObject:value waitUntilDone:NO];
4456 }
4457
4458 - (void) setHidesNavigationBar:(NSString *)value {
4459     [indirect_ performSelectorOnMainThread:@selector(setHidesNavigationBarByNumber:) withObject:value waitUntilDone:NO];
4460 }
4461
4462 - (void) setNavigationBarStyle:(NSString *)value {
4463     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarStyle:) withObject:value waitUntilDone:NO];
4464 }
4465
4466 - (void) setNavigationBarTintRed:(NSNumber *)red green:(NSNumber *)green blue:(NSNumber *)blue alpha:(NSNumber *)alpha {
4467     float opacity(alpha == (id) [WebUndefined undefined] ? 1 : [alpha floatValue]);
4468     UIColor *color([UIColor colorWithRed:[red floatValue] green:[green floatValue] blue:[blue floatValue] alpha:opacity]);
4469     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarTintColor:) withObject:color waitUntilDone:NO];
4470 }
4471
4472 - (void) _setToken:(NSString *)token {
4473     Token_ = token;
4474
4475     if (token == nil)
4476         [Metadata_ removeObjectForKey:@"Token"];
4477     else
4478         [Metadata_ setObject:Token_ forKey:@"Token"];
4479
4480     Changed_ = true;
4481 }
4482
4483 - (void) setToken:(NSString *)token {
4484     [self performSelectorOnMainThread:@selector(_setToken:) withObject:token waitUntilDone:NO];
4485 }
4486
4487 - (void) setPopupHook:(id)function {
4488     [indirect_ setPopupHook:function];
4489 }
4490
4491 - (void) scrollToBottom:(NSNumber *)animated {
4492     [indirect_ performSelectorOnMainThread:@selector(scrollToBottomAnimated:) withObject:animated waitUntilDone:NO];
4493 }
4494
4495 - (void) setViewportWidth:(float)width {
4496     [indirect_ setViewportWidthOnMainThread:width];
4497 }
4498
4499 - (NSString *) stringWithFormat:(NSString *)format arguments:(WebScriptObject *)arguments {
4500     //NSLog(@"SWF:\"%@\" A:%@", format, [arguments description]);
4501     unsigned count([arguments count]);
4502     id values[count];
4503     for (unsigned i(0); i != count; ++i)
4504         values[i] = [arguments objectAtIndex:i];
4505     return [[[NSString alloc] initWithFormat:format arguments:reinterpret_cast<va_list>(values)] autorelease];
4506 }
4507
4508 - (NSString *) localizedStringForKey:(NSString *)key value:(NSString *)value table:(NSString *)table {
4509     if (reinterpret_cast<id>(value) == [WebUndefined undefined])
4510         value = nil;
4511     if (reinterpret_cast<id>(table) == [WebUndefined undefined])
4512         table = nil;
4513     return [[NSBundle mainBundle] localizedStringForKey:key value:value table:table];
4514 }
4515
4516 @end
4517 /* }}} */
4518
4519 /* @ Loading... Indicator {{{ */
4520 @interface CYLoadingIndicator : UIView {
4521     _H<UIActivityIndicatorView> spinner_;
4522     _H<UILabel> label_;
4523     _H<UIView> container_;
4524 }
4525
4526 @property (readonly, nonatomic) UILabel *label;
4527 @property (readonly, nonatomic) UIActivityIndicatorView *activityIndicatorView;
4528
4529 @end
4530
4531 @implementation CYLoadingIndicator
4532
4533 - (id) initWithFrame:(CGRect)frame {
4534     if ((self = [super initWithFrame:frame]) != nil) {
4535         container_ = [[[UIView alloc] init] autorelease];
4536         [container_ setAutoresizingMask:UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleBottomMargin];
4537
4538         spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray] autorelease];
4539         [spinner_ startAnimating];
4540         [container_ addSubview:spinner_];
4541
4542         label_ = [[[UILabel alloc] init] autorelease];
4543         [label_ setFont:[UIFont boldSystemFontOfSize:15.0f]];
4544         [label_ setBackgroundColor:[UIColor clearColor]];
4545         [label_ setTextColor:[UIColor blackColor]];
4546         [label_ setShadowColor:[UIColor whiteColor]];
4547         [label_ setShadowOffset:CGSizeMake(0, 1)];
4548         [label_ setText:[NSString stringWithFormat:Elision_, UCLocalize("LOADING"), nil]];
4549         [container_ addSubview:label_];
4550
4551         CGSize viewsize = frame.size;
4552         CGSize spinnersize = [spinner_ bounds].size;
4553         CGSize textsize = [[label_ text] sizeWithFont:[label_ font]];
4554         float bothwidth = spinnersize.width + textsize.width + 5.0f;
4555
4556         CGRect containrect = {
4557             CGPointMake(floorf((viewsize.width / 2) - (bothwidth / 2)), floorf((viewsize.height / 2) - (spinnersize.height / 2))),
4558             CGSizeMake(bothwidth, spinnersize.height)
4559         };
4560         CGRect textrect = {
4561             CGPointMake(spinnersize.width + 5.0f, floorf((spinnersize.height / 2) - (textsize.height / 2))),
4562             textsize
4563         };
4564         CGRect spinrect = {
4565             CGPointZero,
4566             spinnersize
4567         };
4568
4569         [container_ setFrame:containrect];
4570         [spinner_ setFrame:spinrect];
4571         [label_ setFrame:textrect];
4572         [self addSubview:container_];
4573     } return self;
4574 }
4575
4576 - (UILabel *) label {
4577     return label_;
4578 }
4579
4580 - (UIActivityIndicatorView *) activityIndicatorView {
4581     return spinner_;
4582 }
4583
4584 @end
4585 /* }}} */
4586 /* Emulated Loading Controller {{{ */
4587 @interface CYEmulatedLoadingController : CYViewController {
4588     _transient Database *database_;
4589     _H<CYLoadingIndicator> indicator_;
4590     _H<UITabBar> tabbar_;
4591     _H<UINavigationBar> navbar_;
4592 }
4593
4594 @end
4595
4596 @implementation CYEmulatedLoadingController
4597
4598 - (id) initWithDatabase:(Database *)database {
4599     if ((self = [super init]) != nil) {
4600         database_ = database;
4601     } return self;
4602 }
4603
4604 - (void) loadView {
4605     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
4606
4607     UITableView *table([[[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped] autorelease]);
4608     [table setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
4609     [[self view] addSubview:table];
4610
4611     indicator_ = [[[CYLoadingIndicator alloc] initWithFrame:[[self view] bounds]] autorelease];
4612     [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
4613     [[self view] addSubview:indicator_];
4614
4615     tabbar_ = [[[UITabBar alloc] initWithFrame:CGRectMake(0, 0, 0, 49.0f)] autorelease];
4616     [tabbar_ setFrame:CGRectMake(0.0f, [[self view] bounds].size.height - [tabbar_ bounds].size.height, [[self view] bounds].size.width, [tabbar_ bounds].size.height)];
4617     [tabbar_ setAutoresizingMask:UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleWidth];
4618     [[self view] addSubview:tabbar_];
4619
4620     navbar_ = [[[UINavigationBar alloc] initWithFrame:CGRectMake(0, 0, 0, 44.0f)] autorelease];
4621     [navbar_ setFrame:CGRectMake(0.0f, 0.0f, [[self view] bounds].size.width, [navbar_ bounds].size.height)];
4622     [navbar_ setAutoresizingMask:UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleWidth];
4623     [[self view] addSubview:navbar_];
4624 }
4625
4626 - (void) releaseSubviews {
4627     indicator_ = nil;
4628     tabbar_ = nil;
4629     navbar_ = nil;
4630 }
4631
4632 @end
4633 /* }}} */
4634
4635 /* Cydia Browser Controller {{{ */
4636 @implementation CYBrowserController
4637
4638 - (void) dealloc {
4639     [cydia_ release];
4640     [super dealloc];
4641 }
4642
4643 - (NSURL *) navigationURL {
4644     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://url/%@", [[[webview_ request] URL] absoluteString]]];
4645 }
4646
4647 + (void) initialize {
4648     Diversions_ = [[NSMutableSet alloc] initWithCapacity:0];
4649 }
4650
4651 + (void) addDiversion:(Diversion *)diversion {
4652     [Diversions_ addObject:diversion];
4653 }
4654
4655 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4656     [super webView:view didClearWindowObject:window forFrame:frame];
4657
4658     WebDataSource *source([frame dataSource]);
4659     NSURLResponse *response([source response]);
4660     NSURL *url([response URL]);
4661
4662     if ([[[url scheme] lowercaseString] isEqualToString:@"https"])
4663         if ([BridgedHosts_ containsObject:[url host]])
4664             [window setValue:cydia_ forKey:@"cydia"];
4665 }
4666
4667 - (NSURLRequest *) webView:(WebView *)view resource:(id)resource willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
4668     NSMutableURLRequest *copy([[super webView:view resource:resource willSendRequest:request redirectResponse:response fromDataSource:source] mutableCopy]);
4669
4670   divert:
4671     NSURL *url([copy URL]);
4672     NSString *href([url absoluteString]);
4673
4674     for (Diversion *diversion in Diversions_)
4675         if (NSString *diverted = [diversion divert:href]) {
4676             [copy setURL:[NSURL URLWithString:diverted]];
4677             goto divert;
4678         }
4679
4680     if (System_ != NULL)
4681         [copy setValue:System_ forHTTPHeaderField:@"X-System"];
4682     if (Machine_ != NULL)
4683         [copy setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
4684     if (Token_ != nil)
4685         [copy setValue:Token_ forHTTPHeaderField:@"X-Cydia-Token"];
4686
4687     return copy;
4688 }
4689
4690 - (void) setDelegate:(id)delegate {
4691     [super setDelegate:delegate];
4692     [cydia_ setDelegate:delegate];
4693 }
4694
4695 - (id) init {
4696     if ((self = [super initWithWidth:0 ofClass:[CYBrowserController class]]) != nil) {
4697         cydia_ = [[CydiaObject alloc] initWithDelegate:indirect_];
4698
4699         WebView *webview([[webview_ _documentView] webView]);
4700
4701         NSString *application([NSString stringWithFormat:@"Cydia/%@", @ Cydia_]);
4702
4703         if (Safari_ != nil)
4704             application = [NSString stringWithFormat:@"Safari/%@ %@", Safari_, application];
4705         if (Build_ != nil)
4706             application = [NSString stringWithFormat:@"Mobile/%@ %@", Build_, application];
4707         if (Product_ != nil)
4708             application = [NSString stringWithFormat:@"Version/%@ %@", Product_, application];
4709
4710         [webview setApplicationNameForUserAgent:application];
4711     } return self;
4712 }
4713
4714 @end
4715 /* }}} */
4716
4717 // CydiaScript {{{
4718 @interface NSObject (CydiaScript)
4719 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context;
4720 @end
4721
4722 @implementation NSObject (CydiaScript)
4723
4724 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4725     return self;
4726 }
4727
4728 @end
4729
4730 @implementation NSArray (CydiaScript)
4731
4732 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4733     WebScriptObject *object([context evaluateWebScript:@"[]"]);
4734     for (size_t i(0), e([self count]); i != e; ++i)
4735         [object setWebScriptValueAtIndex:i value:[[self objectAtIndex:i] Cydia$webScriptObjectInContext:context]];
4736     return object;
4737 }
4738
4739 @end
4740
4741 @implementation NSDictionary (CydiaScript)
4742
4743 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4744     WebScriptObject *object([context evaluateWebScript:@"({})"]);
4745     for (id i in self)
4746         [object setValue:[[self objectForKey:i] Cydia$webScriptObjectInContext:context] forKey:i];
4747     return object;
4748 }
4749
4750 @end
4751 // }}}
4752
4753 /* Confirmation Controller {{{ */
4754 bool DepSubstrate(const pkgCache::VerIterator &iterator) {
4755     if (!iterator.end())
4756         for (pkgCache::DepIterator dep(iterator.DependsList()); !dep.end(); ++dep) {
4757             if (dep->Type != pkgCache::Dep::Depends && dep->Type != pkgCache::Dep::PreDepends)
4758                 continue;
4759             pkgCache::PkgIterator package(dep.TargetPkg());
4760             if (package.end())
4761                 continue;
4762             if (strcmp(package.Name(), "mobilesubstrate") == 0)
4763                 return true;
4764         }
4765
4766     return false;
4767 }
4768
4769 @protocol ConfirmationControllerDelegate
4770 - (void) cancelAndClear:(bool)clear;
4771 - (void) confirmWithNavigationController:(UINavigationController *)navigation;
4772 - (void) queue;
4773 @end
4774
4775 @interface ConfirmationController : CYBrowserController {
4776     _transient Database *database_;
4777
4778     UIAlertView *essential_;
4779
4780     NSDictionary *changes_;
4781     NSMutableArray *issues_;
4782     NSDictionary *sizes_;
4783
4784     BOOL substrate_;
4785 }
4786
4787 - (id) initWithDatabase:(Database *)database;
4788
4789 @end
4790
4791 @implementation ConfirmationController
4792
4793 - (void) dealloc {
4794     [changes_ release];
4795     [issues_ release];
4796     [sizes_ release];
4797
4798     if (essential_ != nil)
4799         [essential_ release];
4800
4801     [super dealloc];
4802 }
4803
4804 - (void) complete {
4805     if (substrate_)
4806         RestartSubstrate_ = true;
4807     [delegate_ confirmWithNavigationController:[self navigationController]];
4808 }
4809
4810 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
4811     NSString *context([alert context]);
4812
4813     if ([context isEqualToString:@"remove"]) {
4814         if (button == [alert cancelButtonIndex])
4815             [self dismissModalViewControllerAnimated:YES];
4816         else if (button == [alert firstOtherButtonIndex]) {
4817             [self complete];
4818         }
4819
4820         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4821     } else if ([context isEqualToString:@"unable"]) {
4822         [self dismissModalViewControllerAnimated:YES];
4823         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4824     } else {
4825         [super alertView:alert clickedButtonAtIndex:button];
4826     }
4827 }
4828
4829 - (void) _doContinue {
4830     [self dismissModalViewControllerAnimated:YES];
4831     [delegate_ cancelAndClear:NO];
4832 }
4833
4834 - (id) invokeDefaultMethodWithArguments:(NSArray *)args {
4835     [self performSelectorOnMainThread:@selector(_doContinue) withObject:nil waitUntilDone:NO];
4836     return nil;
4837 }
4838
4839 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4840     [super webView:view didClearWindowObject:window forFrame:frame];
4841
4842     [window setValue:[[NSDictionary dictionaryWithObjectsAndKeys:
4843         changes_, @"changes",
4844         issues_, @"issues",
4845         sizes_, @"sizes",
4846         self, @"queue",
4847     nil] Cydia$webScriptObjectInContext:window] forKey:@"cydiaConfirm"];
4848 }
4849
4850 - (id) initWithDatabase:(Database *)database {
4851     if ((self = [super init]) != nil) {
4852         database_ = database;
4853
4854         NSMutableArray *installs([NSMutableArray arrayWithCapacity:16]);
4855         NSMutableArray *reinstalls([NSMutableArray arrayWithCapacity:16]);
4856         NSMutableArray *upgrades([NSMutableArray arrayWithCapacity:16]);
4857         NSMutableArray *downgrades([NSMutableArray arrayWithCapacity:16]);
4858         NSMutableArray *removes([NSMutableArray arrayWithCapacity:16]);
4859
4860         bool remove(false);
4861
4862         pkgCacheFile &cache([database_ cache]);
4863         NSArray *packages([database_ packages]);
4864         pkgDepCache::Policy *policy([database_ policy]);
4865
4866         issues_ = [[NSMutableArray arrayWithCapacity:4] retain];
4867
4868         for (Package *package in packages) {
4869             pkgCache::PkgIterator iterator([package iterator]);
4870             NSString *name([package id]);
4871
4872             if ([package broken]) {
4873                 NSMutableArray *reasons([NSMutableArray arrayWithCapacity:4]);
4874
4875                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4876                     name, @"package",
4877                     reasons, @"reasons",
4878                 nil]];
4879
4880                 pkgCache::VerIterator ver(cache[iterator].InstVerIter(cache));
4881                 if (ver.end())
4882                     continue;
4883
4884                 for (pkgCache::DepIterator dep(ver.DependsList()); !dep.end(); ) {
4885                     pkgCache::DepIterator start;
4886                     pkgCache::DepIterator end;
4887                     dep.GlobOr(start, end); // ++dep
4888
4889                     if (!cache->IsImportantDep(end))
4890                         continue;
4891                     if ((cache[end] & pkgDepCache::DepGInstall) != 0)
4892                         continue;
4893
4894                     NSMutableArray *clauses([NSMutableArray arrayWithCapacity:4]);
4895
4896                     [reasons addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4897                         [NSString stringWithUTF8String:start.DepType()], @"relationship",
4898                         clauses, @"clauses",
4899                     nil]];
4900
4901                     _forever {
4902                         NSString *reason, *installed((NSString *) [WebUndefined undefined]);
4903
4904                         pkgCache::PkgIterator target(start.TargetPkg());
4905                         if (target->ProvidesList != 0)
4906                             reason = @"missing";
4907                         else {
4908                             pkgCache::VerIterator ver(cache[target].InstVerIter(cache));
4909                             if (!ver.end()) {
4910                                 reason = @"installed";
4911                                 installed = [NSString stringWithUTF8String:ver.VerStr()];
4912                             } else if (!cache[target].CandidateVerIter(cache).end())
4913                                 reason = @"uninstalled";
4914                             else if (target->ProvidesList == 0)
4915                                 reason = @"uninstallable";
4916                             else
4917                                 reason = @"virtual";
4918                         }
4919
4920                         NSDictionary *version(start.TargetVer() == 0 ? [NSNull null] : [NSDictionary dictionaryWithObjectsAndKeys:
4921                             [NSString stringWithUTF8String:start.CompType()], @"operator",
4922                             [NSString stringWithUTF8String:start.TargetVer()], @"value",
4923                         nil]);
4924
4925                         [clauses addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4926                             [NSString stringWithUTF8String:start.TargetPkg().Name()], @"package",
4927                             version, @"version",
4928                             reason, @"reason",
4929                             installed, @"installed",
4930                         nil]];
4931
4932                         // yes, seriously. (wtf?)
4933                         if (start == end)
4934                             break;
4935                         ++start;
4936                     }
4937                 }
4938             }
4939
4940             pkgDepCache::StateCache &state(cache[iterator]);
4941
4942             static Pcre special_r("^(firmware$|gsc\\.|cy\\+)");
4943
4944             if (state.NewInstall())
4945                 [installs addObject:name];
4946             else if (!state.Delete() && (state.iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
4947                 [reinstalls addObject:name];
4948             else if (state.Upgrade())
4949                 [upgrades addObject:name];
4950             else if (state.Downgrade())
4951                 [downgrades addObject:name];
4952             else if (!state.Delete())
4953                 continue;
4954             else if (special_r(name))
4955                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4956                     [NSNull null], @"package",
4957                     [NSArray arrayWithObjects:
4958                         [NSDictionary dictionaryWithObjectsAndKeys:
4959                             @"Conflicts", @"relationship",
4960                             [NSArray arrayWithObjects:
4961                                 [NSDictionary dictionaryWithObjectsAndKeys:
4962                                     name, @"package",
4963                                     [NSNull null], @"version",
4964                                     @"installed", @"reason",
4965                                 nil],
4966                             nil], @"clauses",
4967                         nil],
4968                     nil], @"reasons",
4969                 nil]];
4970             else {
4971                 if ([package essential])
4972                     remove = true;
4973                 [removes addObject:name];
4974             }
4975
4976             substrate_ |= DepSubstrate(policy->GetCandidateVer(iterator));
4977             substrate_ |= DepSubstrate(iterator.CurrentVer());
4978         }
4979
4980         if (!remove)
4981             essential_ = nil;
4982         else if (Advanced_) {
4983             NSString *parenthetical(UCLocalize("PARENTHETICAL"));
4984
4985             essential_ = [[UIAlertView alloc]
4986                 initWithTitle:UCLocalize("REMOVING_ESSENTIALS")
4987                 message:UCLocalize("REMOVING_ESSENTIALS_EX")
4988                 delegate:self
4989                 cancelButtonTitle:[NSString stringWithFormat:parenthetical, UCLocalize("CANCEL_OPERATION"), UCLocalize("SAFE")]
4990                 otherButtonTitles:
4991                     [NSString stringWithFormat:parenthetical, UCLocalize("FORCE_REMOVAL"), UCLocalize("UNSAFE")],
4992                 nil
4993             ];
4994
4995             [essential_ setContext:@"remove"];
4996         } else {
4997             essential_ = [[UIAlertView alloc]
4998                 initWithTitle:UCLocalize("UNABLE_TO_COMPLY")
4999                 message:UCLocalize("UNABLE_TO_COMPLY_EX")
5000                 delegate:self
5001                 cancelButtonTitle:UCLocalize("OKAY")
5002                 otherButtonTitles:nil
5003             ];
5004
5005             [essential_ setContext:@"unable"];
5006         }
5007
5008         changes_ = [[NSDictionary alloc] initWithObjectsAndKeys:
5009             installs, @"installs",
5010             reinstalls, @"reinstalls",
5011             upgrades, @"upgrades",
5012             downgrades, @"downgrades",
5013             removes, @"removes",
5014         nil];
5015
5016         sizes_ = [[NSDictionary alloc] initWithObjectsAndKeys:
5017             [NSNumber numberWithInteger:[database_ fetcher].FetchNeeded()], @"downloading",
5018             [NSNumber numberWithInteger:[database_ fetcher].PartialPresent()], @"resuming",
5019         nil];
5020
5021         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/confirm/", UI_]]];
5022
5023         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
5024             initWithTitle:UCLocalize("CANCEL")
5025             style:UIBarButtonItemStylePlain
5026             target:self
5027             action:@selector(cancelButtonClicked)
5028         ] autorelease]];
5029     } return self;
5030 }
5031
5032 #if !AlwaysReload
5033 - (void) applyRightButton {
5034     if ([issues_ count] == 0 && ![self isLoading])
5035         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
5036             initWithTitle:UCLocalize("CONFIRM")
5037             style:UIBarButtonItemStyleDone
5038             target:self
5039             action:@selector(confirmButtonClicked)
5040         ] autorelease]];
5041     else
5042         [[self navigationItem] setRightBarButtonItem:nil];
5043 }
5044 #endif
5045
5046 - (void) cancelButtonClicked {
5047     [self dismissModalViewControllerAnimated:YES];
5048     [delegate_ cancelAndClear:YES];
5049 }
5050
5051 #if !AlwaysReload
5052 - (void) confirmButtonClicked {
5053     if (essential_ != nil)
5054         [essential_ show];
5055     else
5056         [self complete];
5057 }
5058 #endif
5059
5060 @end
5061 /* }}} */
5062
5063 /* Progress Data {{{ */
5064 @interface CydiaProgressData : NSObject {
5065     _transient id delegate_;
5066
5067     bool running_;
5068     float percent_;
5069
5070     float current_;
5071     float total_;
5072     float speed_;
5073
5074     _H<NSMutableArray> events_;
5075     _H<NSString> title_;
5076
5077     _H<NSString> status_;
5078     _H<NSString> finish_;
5079 }
5080
5081 @end
5082
5083 @implementation CydiaProgressData
5084
5085 + (NSArray *) _attributeKeys {
5086     return [NSArray arrayWithObjects:
5087         @"current",
5088         @"events",
5089         @"finish",
5090         @"percent",
5091         @"running",
5092         @"speed",
5093         @"title",
5094         @"total",
5095     nil];
5096 }
5097
5098 - (NSArray *) attributeKeys {
5099     return [[self class] _attributeKeys];
5100 }
5101
5102 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
5103     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
5104 }
5105
5106 - (id) init {
5107     if ((self = [super init]) != nil) {
5108         events_ = [NSMutableArray arrayWithCapacity:32];
5109     } return self;
5110 }
5111
5112 - (void) setDelegate:(id)delegate {
5113     delegate_ = delegate;
5114 }
5115
5116 - (void) setPercent:(float)value {
5117     percent_ = value;
5118 }
5119
5120 - (NSNumber *) percent {
5121     return [NSNumber numberWithFloat:percent_];
5122 }
5123
5124 - (void) setCurrent:(float)value {
5125     current_ = value;
5126 }
5127
5128 - (NSNumber *) current {
5129     return [NSNumber numberWithFloat:current_];
5130 }
5131
5132 - (void) setTotal:(float)value {
5133     total_ = value;
5134 }
5135
5136 - (NSNumber *) total {
5137     return [NSNumber numberWithFloat:total_];
5138 }
5139
5140 - (void) setSpeed:(float)value {
5141     speed_ = value;
5142 }
5143
5144 - (NSNumber *) speed {
5145     return [NSNumber numberWithFloat:speed_];
5146 }
5147
5148 - (NSArray *) events {
5149     return events_;
5150 }
5151
5152 - (void) removeAllEvents {
5153     [events_ removeAllObjects];
5154 }
5155
5156 - (void) addEvent:(CydiaProgressEvent *)event {
5157     [events_ addObject:event];
5158 }
5159
5160 - (void) setTitle:(NSString *)text {
5161     title_ = text;
5162 }
5163
5164 - (NSString *) title {
5165     return title_;
5166 }
5167
5168 - (void) setFinish:(NSString *)text {
5169     finish_ = text;
5170 }
5171
5172 - (NSString *) finish {
5173     return (id) finish_ ?: [NSNull null];
5174 }
5175
5176 - (void) setRunning:(bool)running {
5177     running_ = running;
5178 }
5179
5180 - (NSNumber *) running {
5181     return running_ ? (NSNumber *) kCFBooleanTrue : (NSNumber *) kCFBooleanFalse;
5182 }
5183
5184 @end
5185 /* }}} */
5186 /* Progress Controller {{{ */
5187 @interface ProgressController : CYBrowserController <
5188     ProgressDelegate
5189 > {
5190     _transient Database *database_;
5191     _H<CydiaProgressData> progress_;
5192     unsigned cancel_;
5193 }
5194
5195 - (id) initWithDatabase:(Database *)database delegate:(id)delegate;
5196
5197 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title;
5198
5199 - (void) setTitle:(NSString *)title;
5200 - (void) setCancellable:(bool)cancellable;
5201
5202 @end
5203
5204 @implementation ProgressController
5205
5206 - (void) dealloc {
5207     [database_ setProgressDelegate:nil];
5208     [progress_ setDelegate:nil];
5209     [super dealloc];
5210 }
5211
5212 - (void) updateCancel {
5213     [[self navigationItem] setLeftBarButtonItem:(cancel_ == 1 ? [[[UIBarButtonItem alloc]
5214         initWithTitle:UCLocalize("CANCEL")
5215         style:UIBarButtonItemStylePlain
5216         target:self
5217         action:@selector(cancel)
5218     ] autorelease] : nil)];
5219 }
5220
5221 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
5222     if ((self = [super init]) != nil) {
5223         database_ = database;
5224         delegate_ = delegate;
5225
5226         [database_ setProgressDelegate:self];
5227
5228         progress_ = [[[CydiaProgressData alloc] init] autorelease];
5229         [progress_ setDelegate:self];
5230
5231         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/progress/", UI_]]];
5232
5233         [scroller_ setBackgroundColor:[UIColor blackColor]];
5234
5235         [[self navigationItem] setHidesBackButton:YES];
5236
5237         [self updateCancel];
5238     } return self;
5239 }
5240
5241 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
5242     [super webView:view didClearWindowObject:window forFrame:frame];
5243     [window setValue:progress_ forKey:@"cydiaProgress"];
5244 }
5245
5246 - (void) updateProgress {
5247     [self dispatchEvent:@"CydiaProgressUpdate"];
5248 }
5249
5250 - (void) viewWillAppear:(BOOL)animated {
5251     if (![self hasLoaded])
5252         [[[self navigationController] navigationBar] setBarStyle:UIBarStyleBlack];
5253
5254     [super viewWillAppear:animated];
5255 }
5256
5257 - (void) close {
5258     UpdateExternalStatus(0);
5259
5260     switch (Finish_) {
5261         case 0:
5262         break;
5263
5264         case 1:
5265             [delegate_ terminateWithSuccess];
5266             /*if ([delegate_ respondsToSelector:@selector(suspendWithAnimation:)])
5267                 [delegate_ suspendWithAnimation:YES];
5268             else
5269                 [delegate_ suspend];*/
5270         break;
5271
5272         case 2:
5273             _trace();
5274             goto reload;
5275
5276         case 3:
5277             _trace();
5278             goto reload;
5279
5280         reload:
5281             system("/usr/bin/sbreload");
5282             _trace();
5283         break;
5284
5285         case 4:
5286             _trace();
5287             if (void (*SBReboot)(mach_port_t) = reinterpret_cast<void (*)(mach_port_t)>(dlsym(RTLD_DEFAULT, "SBReboot")))
5288                 SBReboot(SBSSpringBoardServerPort());
5289             else
5290                 reboot2(RB_AUTOBOOT);
5291         break;
5292     }
5293
5294     [super close];
5295 }
5296
5297 - (void) setTitle:(NSString *)title {
5298     [progress_ setTitle:title];
5299     [self updateProgress];
5300 }
5301
5302 - (UIBarButtonItem *) rightButton {
5303     return [[progress_ running] boolValue] ? nil : [[[UIBarButtonItem alloc]
5304         initWithTitle:UCLocalize("CLOSE")
5305         style:UIBarButtonItemStylePlain
5306         target:self
5307         action:@selector(close)
5308     ] autorelease];
5309 }
5310
5311 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title {
5312     UpdateExternalStatus(1);
5313
5314     [progress_ setRunning:true];
5315     [self setTitle:title];
5316     // implicit updateProgress
5317
5318     SHA1SumValue notifyconf; {
5319         FileFd file;
5320         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5321             _error->Discard();
5322         else {
5323             MMap mmap(file, MMap::ReadOnly);
5324             SHA1Summation sha1;
5325             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5326             notifyconf = sha1.Result();
5327         }
5328     }
5329
5330     SHA1SumValue springlist; {
5331         FileFd file;
5332         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5333             _error->Discard();
5334         else {
5335             MMap mmap(file, MMap::ReadOnly);
5336             SHA1Summation sha1;
5337             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5338             springlist = sha1.Result();
5339         }
5340     }
5341
5342     if (invocation != nil) {
5343         [invocation yieldToSelector:@selector(invoke)];
5344         [self setTitle:@"COMPLETE"];
5345     }
5346
5347     if (Finish_ < 4) {
5348         FileFd file;
5349         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5350             _error->Discard();
5351         else {
5352             MMap mmap(file, MMap::ReadOnly);
5353             SHA1Summation sha1;
5354             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5355             if (!(notifyconf == sha1.Result()))
5356                 Finish_ = 4;
5357         }
5358     }
5359
5360     if (Finish_ < 3) {
5361         FileFd file;
5362         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5363             _error->Discard();
5364         else {
5365             MMap mmap(file, MMap::ReadOnly);
5366             SHA1Summation sha1;
5367             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5368             if (!(springlist == sha1.Result()))
5369                 Finish_ = 3;
5370         }
5371     }
5372
5373     if (Finish_ < 2) {
5374         if (RestartSubstrate_)
5375             Finish_ = 2;
5376     }
5377
5378     RestartSubstrate_ = false;
5379
5380     switch (Finish_) {
5381         case 0: [progress_ setFinish:UCLocalize("RETURN_TO_CYDIA")]; break; /* XXX: Maybe UCLocalize("DONE")? */
5382         case 1: [progress_ setFinish:UCLocalize("CLOSE_CYDIA")]; break;
5383         case 2: [progress_ setFinish:UCLocalize("RESTART_SPRINGBOARD")]; break;
5384         case 3: [progress_ setFinish:UCLocalize("RELOAD_SPRINGBOARD")]; break;
5385         case 4: [progress_ setFinish:UCLocalize("REBOOT_DEVICE")]; break;
5386     }
5387
5388     _trace();
5389     system("su -c /usr/bin/uicache mobile");
5390     _trace();
5391
5392     UpdateExternalStatus(Finish_ == 0 ? 0 : 2);
5393
5394     [progress_ setRunning:false];
5395     [self updateProgress];
5396
5397     [self applyRightButton];
5398 }
5399
5400 - (void) addProgressEvent:(CydiaProgressEvent *)event {
5401     [progress_ addEvent:event];
5402     [self updateProgress];
5403 }
5404
5405 - (bool) isProgressCancelled {
5406     return cancel_ == 2;
5407 }
5408
5409 - (void) cancel {
5410     cancel_ = 2;
5411     [self updateCancel];
5412 }
5413
5414 - (void) setCancellable:(bool)cancellable {
5415     unsigned cancel(cancel_);
5416
5417     if (!cancellable)
5418         cancel_ = 0;
5419     else if (cancel_ == 0)
5420         cancel_ = 1;
5421
5422     if (cancel != cancel_)
5423         [self updateCancel];
5424 }
5425
5426 - (void) setProgressCancellable:(NSNumber *)cancellable {
5427     [self setCancellable:[cancellable boolValue]];
5428 }
5429
5430 - (void) setProgressPercent:(NSNumber *)percent {
5431     [progress_ setPercent:[percent floatValue]];
5432     [self updateProgress];
5433 }
5434
5435 - (void) setProgressStatus:(NSDictionary *)status {
5436     if (status == nil) {
5437         [progress_ setCurrent:0];
5438         [progress_ setTotal:0];
5439         [progress_ setSpeed:0];
5440     } else {
5441         [progress_ setPercent:[[status objectForKey:@"Percent"] floatValue]];
5442
5443         [progress_ setCurrent:[[status objectForKey:@"Current"] floatValue]];
5444         [progress_ setTotal:[[status objectForKey:@"Total"] floatValue]];
5445         [progress_ setSpeed:[[status objectForKey:@"Speed"] floatValue]];
5446     }
5447
5448     [self updateProgress];
5449 }
5450
5451 @end
5452 /* }}} */
5453
5454 /* Cell Content View {{{ */
5455 @protocol ContentDelegate
5456 - (void) drawContentRect:(CGRect)rect;
5457 @end
5458
5459 @interface ContentView : UIView {
5460     _transient id<ContentDelegate> delegate_;
5461 }
5462
5463 @end
5464
5465 @implementation ContentView
5466
5467 - (id) initWithFrame:(CGRect)frame {
5468     if ((self = [super initWithFrame:frame]) != nil) {
5469         [self setNeedsDisplayOnBoundsChange:YES];
5470     } return self;
5471 }
5472
5473 - (void) setDelegate:(id<ContentDelegate>)delegate {
5474     delegate_ = delegate;
5475 }
5476
5477 - (void) drawRect:(CGRect)rect {
5478     [super drawRect:rect];
5479     [delegate_ drawContentRect:rect];
5480 }
5481
5482 @end
5483 /* }}} */
5484 /* Cydia TableView Cell {{{ */
5485 @interface CYTableViewCell : UITableViewCell {
5486     ContentView *content_;
5487     bool highlighted_;
5488 }
5489
5490 @end
5491
5492 @implementation CYTableViewCell
5493
5494 - (void) dealloc {
5495     [content_ release];
5496     [super dealloc];
5497 }
5498
5499 - (void) _updateHighlightColorsForView:(id)view highlighted:(BOOL)highlighted {
5500     //NSLog(@"_updateHighlightColorsForView:%@ highlighted:%s [content_=%@]", view, highlighted ? "YES" : "NO", content_);
5501
5502     if (view == content_) {
5503         //NSLog(@"_updateHighlightColorsForView:content_ highlighted:%s", highlighted ? "YES" : "NO", content_);
5504         highlighted_ = highlighted;
5505     }
5506
5507     [super _updateHighlightColorsForView:view highlighted:highlighted];
5508 }
5509
5510 - (void) setSelected:(BOOL)selected animated:(BOOL)animated {
5511     //NSLog(@"setSelected:%s animated:%s", selected ? "YES" : "NO", animated ? "YES" : "NO");
5512     highlighted_ = selected;
5513
5514     [super setSelected:selected animated:animated];
5515     [content_ setNeedsDisplay];
5516 }
5517
5518 @end
5519 /* }}} */
5520
5521 /* Package Cell {{{ */
5522 @interface PackageCell : CYTableViewCell <
5523     ContentDelegate
5524 > {
5525     UIImage *icon_;
5526     NSString *name_;
5527     NSString *description_;
5528     bool commercial_;
5529     NSString *source_;
5530     UIImage *badge_;
5531     Package *package_;
5532     UIImage *placard_;
5533 }
5534
5535 - (PackageCell *) init;
5536 - (void) setPackage:(Package *)package;
5537
5538 - (void) drawContentRect:(CGRect)rect;
5539
5540 @end
5541
5542 @implementation PackageCell
5543
5544 - (void) clearPackage {
5545     if (icon_ != nil) {
5546         [icon_ release];
5547         icon_ = nil;
5548     }
5549
5550     if (name_ != nil) {
5551         [name_ release];
5552         name_ = nil;
5553     }
5554
5555     if (description_ != nil) {
5556         [description_ release];
5557         description_ = nil;
5558     }
5559
5560     if (source_ != nil) {
5561         [source_ release];
5562         source_ = nil;
5563     }
5564
5565     if (badge_ != nil) {
5566         [badge_ release];
5567         badge_ = nil;
5568     }
5569
5570     if (placard_ != nil) {
5571         [placard_ release];
5572         placard_ = nil;
5573     }
5574
5575     [package_ release];
5576     package_ = nil;
5577 }
5578
5579 - (void) dealloc {
5580     [self clearPackage];
5581     [super dealloc];
5582 }
5583
5584 - (PackageCell *) init {
5585     CGRect frame(CGRectMake(0, 0, 320, 74));
5586     if ((self = [super initWithFrame:frame reuseIdentifier:@"Package"]) != nil) {
5587         UIView *content([self contentView]);
5588         CGRect bounds([content bounds]);
5589
5590         content_ = [[ContentView alloc] initWithFrame:bounds];
5591         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5592         [content addSubview:content_];
5593
5594         [content_ setDelegate:self];
5595         [content_ setOpaque:YES];
5596     } return self;
5597 }
5598
5599 - (NSString *) accessibilityLabel {
5600     return [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), name_, description_];
5601 }
5602
5603 - (void) setPackage:(Package *)package {
5604     [self clearPackage];
5605     [package parse];
5606
5607     Source *source = [package source];
5608
5609     icon_ = [[package icon] retain];
5610     name_ = [[package name] retain];
5611
5612     if (IsWildcat_)
5613         description_ = [package longDescription];
5614     if (description_ == nil)
5615         description_ = [package shortDescription];
5616     if (description_ != nil)
5617         description_ = [description_ retain];
5618
5619     commercial_ = [package isCommercial];
5620
5621     package_ = [package retain];
5622
5623     NSString *label = nil;
5624     bool trusted = false;
5625
5626     if (source != nil) {
5627         label = [source label];
5628         trusted = [source trusted];
5629     } else if ([[package id] isEqualToString:@"firmware"])
5630         label = UCLocalize("APPLE");
5631     else
5632         label = [NSString stringWithFormat:UCLocalize("SLASH_DELIMITED"), UCLocalize("UNKNOWN"), UCLocalize("LOCAL")];
5633
5634     NSString *from(label);
5635
5636     NSString *section = [package simpleSection];
5637     if (section != nil && ![section isEqualToString:label]) {
5638         section = [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
5639         from = [NSString stringWithFormat:UCLocalize("PARENTHETICAL"), from, section];
5640     }
5641
5642     from = [NSString stringWithFormat:UCLocalize("FROM"), from];
5643     source_ = [from retain];
5644
5645     if (NSString *purpose = [package primaryPurpose])
5646         if ((badge_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Purposes/%@.png", App_, purpose]]) != nil)
5647             badge_ = [badge_ retain];
5648
5649     UIColor *color;
5650     NSString *placard;
5651
5652     if (NSString *mode = [package_ mode]) {
5653         if ([mode isEqualToString:@"REMOVE"] || [mode isEqualToString:@"PURGE"]) {
5654             color = RemovingColor_;
5655             //placard = @"removing";
5656         } else {
5657             color = InstallingColor_;
5658             //placard = @"installing";
5659         }
5660
5661         // XXX: the removing/installing placards are not @2x
5662         placard = nil;
5663     } else {
5664         color = [UIColor whiteColor];
5665
5666         if ([package installed] != nil)
5667             placard = @"installed";
5668         else
5669             placard = nil;
5670     }
5671
5672     [content_ setBackgroundColor:color];
5673
5674     if (placard != nil)
5675         if ((placard_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/%@.png", App_, placard]]) != nil)
5676             placard_ = [placard_ retain];
5677
5678     [self setNeedsDisplay];
5679     [content_ setNeedsDisplay];
5680 }
5681
5682 - (void) drawContentRect:(CGRect)rect {
5683     bool highlighted(highlighted_);
5684     float width([self bounds].size.width);
5685
5686 #if 0
5687     CGContextRef context(UIGraphicsGetCurrentContext());
5688     [([[self selectedBackgroundView] superview] != nil ? [UIColor clearColor] : [self backgroundColor]) set];
5689     CGContextFillRect(context, rect);
5690 #endif
5691
5692     if (icon_ != nil) {
5693         CGRect rect;
5694         rect.size = [icon_ size];
5695
5696         rect.size.width /= 2;
5697         rect.size.height /= 2;
5698
5699         rect.origin.x = 25 - rect.size.width / 2;
5700         rect.origin.y = 25 - rect.size.height / 2;
5701
5702         [icon_ drawInRect:rect];
5703     }
5704
5705     if (badge_ != nil) {
5706         CGRect rect;
5707         rect.size = [badge_ size];
5708
5709         rect.size.width /= 2;
5710         rect.size.height /= 2;
5711
5712         rect.origin.x = 36 - rect.size.width / 2;
5713         rect.origin.y = 36 - rect.size.height / 2;
5714
5715         [badge_ drawInRect:rect];
5716     }
5717
5718     if (highlighted)
5719         UISetColor(White_);
5720
5721     if (!highlighted)
5722         UISetColor(commercial_ ? Purple_ : Black_);
5723     [name_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - (placard_ == nil ? 80 : 106)) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5724     [source_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
5725
5726     if (!highlighted)
5727         UISetColor(commercial_ ? Purplish_ : Gray_);
5728     [description_ drawAtPoint:CGPointMake(12, 46) forWidth:(width - 46) withFont:Font14_ lineBreakMode:UILineBreakModeTailTruncation];
5729
5730     if (placard_ != nil)
5731         [placard_ drawAtPoint:CGPointMake(width - 52, 9)];
5732 }
5733
5734 @end
5735 /* }}} */
5736 /* Section Cell {{{ */
5737 @interface SectionCell : CYTableViewCell <
5738     ContentDelegate
5739 > {
5740     NSString *basic_;
5741     NSString *section_;
5742     NSString *name_;
5743     NSString *count_;
5744     UIImage *icon_;
5745     UISwitch *switch_;
5746     BOOL editing_;
5747 }
5748
5749 - (void) setSection:(Section *)section editing:(BOOL)editing;
5750
5751 @end
5752
5753 @implementation SectionCell
5754
5755 - (void) clearSection {
5756     if (basic_ != nil) {
5757         [basic_ release];
5758         basic_ = nil;
5759     }
5760
5761     if (section_ != nil) {
5762         [section_ release];
5763         section_ = nil;
5764     }
5765
5766     if (name_ != nil) {
5767         [name_ release];
5768         name_ = nil;
5769     }
5770
5771     if (count_ != nil) {
5772         [count_ release];
5773         count_ = nil;
5774     }
5775 }
5776
5777 - (void) dealloc {
5778     [self clearSection];
5779     [icon_ release];
5780     [switch_ release];
5781     [super dealloc];
5782 }
5783
5784 - (id) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
5785     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
5786         icon_ = [[UIImage applicationImageNamed:@"folder.png"] retain];
5787         switch_ = [[UISwitch alloc] initWithFrame:CGRectMake(218, 9, 60, 25)];
5788         [switch_ addTarget:self action:@selector(onSwitch:) forEvents:UIControlEventValueChanged];
5789
5790         UIView *content([self contentView]);
5791         CGRect bounds([content bounds]);
5792
5793         content_ = [[ContentView alloc] initWithFrame:bounds];
5794         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5795         [content addSubview:content_];
5796         [content_ setBackgroundColor:[UIColor whiteColor]];
5797
5798         [content_ setDelegate:self];
5799     } return self;
5800 }
5801
5802 - (void) onSwitch:(id)sender {
5803     NSMutableDictionary *metadata([Sections_ objectForKey:basic_]);
5804     if (metadata == nil) {
5805         metadata = [NSMutableDictionary dictionaryWithCapacity:2];
5806         [Sections_ setObject:metadata forKey:basic_];
5807     }
5808
5809     [metadata setObject:[NSNumber numberWithBool:([switch_ isOn] == NO)] forKey:@"Hidden"];
5810     Changed_ = true;
5811 }
5812
5813 - (void) setSection:(Section *)section editing:(BOOL)editing {
5814     if (editing != editing_) {
5815         if (editing_)
5816             [switch_ removeFromSuperview];
5817         else
5818             [self addSubview:switch_];
5819         editing_ = editing;
5820     }
5821
5822     [self clearSection];
5823
5824     if (section == nil) {
5825         name_ = [UCLocalize("ALL_PACKAGES") retain];
5826         count_ = nil;
5827     } else {
5828         basic_ = [section name];
5829         if (basic_ != nil)
5830             basic_ = [basic_ retain];
5831
5832         section_ = [section localized];
5833         if (section_ != nil)
5834             section_ = [section_ retain];
5835
5836         name_  = [(section_ == nil || [section_ length] == 0 ? UCLocalize("NO_SECTION") : section_) retain];
5837         count_ = [[NSString stringWithFormat:@"%d", [section count]] retain];
5838
5839         if (editing_)
5840             [switch_ setOn:(isSectionVisible(basic_) ? 1 : 0) animated:NO];
5841     }
5842
5843     [self setAccessoryType:editing ? UITableViewCellAccessoryNone : UITableViewCellAccessoryDisclosureIndicator];
5844     [self setSelectionStyle:editing ? UITableViewCellSelectionStyleNone : UITableViewCellSelectionStyleBlue];
5845
5846     [content_ setNeedsDisplay];
5847 }
5848
5849 - (void) setFrame:(CGRect)frame {
5850     [super setFrame:frame];
5851
5852     CGRect rect([switch_ frame]);
5853     [switch_ setFrame:CGRectMake(frame.size.width - 102, 9, rect.size.width, rect.size.height)];
5854 }
5855
5856 - (NSString *) accessibilityLabel {
5857     return name_;
5858 }
5859
5860 - (void) drawContentRect:(CGRect)rect {
5861     bool highlighted(highlighted_ && !editing_);
5862
5863     [icon_ drawInRect:CGRectMake(8, 7, 32, 32)];
5864
5865     if (highlighted)
5866         UISetColor(White_);
5867
5868     float width(rect.size.width);
5869     if (editing_)
5870         width -= 87;
5871
5872     if (!highlighted)
5873         UISetColor(Black_);
5874     [name_ drawAtPoint:CGPointMake(48, 9) forWidth:(width - 70) withFont:Font22Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5875
5876     CGSize size = [count_ sizeWithFont:Font14_];
5877
5878     UISetColor(White_);
5879     if (count_ != nil)
5880         [count_ drawAtPoint:CGPointMake(13 + (29 - size.width) / 2, 16) withFont:Font12Bold_];
5881 }
5882
5883 @end
5884 /* }}} */
5885
5886 /* File Table {{{ */
5887 @interface FileTable : CYViewController <
5888     UITableViewDataSource,
5889     UITableViewDelegate
5890 > {
5891     _transient Database *database_;
5892     Package *package_;
5893     NSString *name_;
5894     NSMutableArray *files_;
5895     UITableView *list_;
5896 }
5897
5898 - (id) initWithDatabase:(Database *)database;
5899 - (void) setPackage:(Package *)package;
5900
5901 @end
5902
5903 @implementation FileTable
5904
5905 - (void) dealloc {
5906     [self releaseSubviews];
5907
5908     [package_ release];
5909     [name_ release];
5910     [files_ release];
5911
5912     [super dealloc];
5913 }
5914
5915 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
5916     return files_ == nil ? 0 : [files_ count];
5917 }
5918
5919 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
5920     return 24.0f;
5921 }*/
5922
5923 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
5924     static NSString *reuseIdentifier = @"Cell";
5925
5926     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
5927     if (cell == nil) {
5928         cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
5929         [cell setFont:[UIFont systemFontOfSize:16]];
5930     }
5931     [cell setText:[files_ objectAtIndex:indexPath.row]];
5932     [cell setSelectionStyle:UITableViewCellSelectionStyleNone];
5933
5934     return cell;
5935 }
5936
5937 - (NSURL *) navigationURL {
5938     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/files", [package_ id]]];
5939 }
5940
5941 - (void) loadView {
5942     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
5943
5944     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds]];
5945     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5946     [list_ setRowHeight:24.0f];
5947     [list_ setDataSource:self];
5948     [list_ setDelegate:self];
5949     [[self view] addSubview:list_];
5950 }
5951
5952 - (void) viewDidLoad {
5953     [[self navigationItem] setTitle:UCLocalize("INSTALLED_FILES")];
5954 }
5955
5956 - (void) releaseSubviews {
5957     [list_ release];
5958     list_ = nil;
5959 }
5960
5961 - (id) initWithDatabase:(Database *)database {
5962     if ((self = [super init]) != nil) {
5963         database_ = database;
5964
5965         files_ = [[NSMutableArray arrayWithCapacity:32] retain];
5966     } return self;
5967 }
5968
5969 - (void) setPackage:(Package *)package {
5970     if (package_ != nil) {
5971         [package_ autorelease];
5972         package_ = nil;
5973     }
5974
5975     if (name_ != nil) {
5976         [name_ release];
5977         name_ = nil;
5978     }
5979
5980     [files_ removeAllObjects];
5981
5982     if (package != nil) {
5983         package_ = [package retain];
5984         name_ = [[package id] retain];
5985
5986         if (NSArray *files = [package files])
5987             [files_ addObjectsFromArray:files];
5988
5989         if ([files_ count] != 0) {
5990             if ([[files_ objectAtIndex:0] isEqualToString:@"/."])
5991                 [files_ removeObjectAtIndex:0];
5992             [files_ sortUsingSelector:@selector(compareByPath:)];
5993
5994             NSMutableArray *stack = [NSMutableArray arrayWithCapacity:8];
5995             [stack addObject:@"/"];
5996
5997             for (int i(0), e([files_ count]); i != e; ++i) {
5998                 NSString *file = [files_ objectAtIndex:i];
5999                 while (![file hasPrefix:[stack lastObject]])
6000                     [stack removeLastObject];
6001                 NSString *directory = [stack lastObject];
6002                 [stack addObject:[file stringByAppendingString:@"/"]];
6003                 [files_ replaceObjectAtIndex:i withObject:[NSString stringWithFormat:@"%*s%@",
6004                     ([stack count] - 2) * 3, "",
6005                     [file substringFromIndex:[directory length]]
6006                 ]];
6007             }
6008         }
6009     }
6010
6011     [list_ reloadData];
6012 }
6013
6014 - (void) reloadData {
6015     [super reloadData];
6016
6017     [self setPackage:[database_ packageWithName:name_]];
6018 }
6019
6020 @end
6021 /* }}} */
6022 /* Package Controller {{{ */
6023 @interface CYPackageController : CYBrowserController <
6024     UIActionSheetDelegate
6025 > {
6026     _transient Database *database_;
6027     _H<Package> package_;
6028     _H<NSString> name_;
6029     bool commercial_;
6030     _H<NSMutableArray> buttons_;
6031     _H<UIBarButtonItem> button_;
6032 }
6033
6034 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name;
6035
6036 @end
6037
6038 @implementation CYPackageController
6039
6040 - (NSURL *) navigationURL {
6041     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@", (id) name_]];
6042 }
6043
6044 /* XXX: this is not safe at all... localization of /fail/ */
6045 - (void) _clickButtonWithName:(NSString *)name {
6046     if ([name isEqualToString:UCLocalize("CLEAR")])
6047         [delegate_ clearPackage:package_];
6048     else if ([name isEqualToString:UCLocalize("INSTALL")])
6049         [delegate_ installPackage:package_];
6050     else if ([name isEqualToString:UCLocalize("REINSTALL")])
6051         [delegate_ installPackage:package_];
6052     else if ([name isEqualToString:UCLocalize("REMOVE")])
6053         [delegate_ removePackage:package_];
6054     else if ([name isEqualToString:UCLocalize("UPGRADE")])
6055         [delegate_ installPackage:package_];
6056     else _assert(false);
6057 }
6058
6059 - (void) actionSheet:(UIActionSheet *)sheet clickedButtonAtIndex:(NSInteger)button {
6060     NSString *context([sheet context]);
6061
6062     if ([context isEqualToString:@"modify"]) {
6063         if (button != [sheet cancelButtonIndex]) {
6064             NSString *buttonName = [buttons_ objectAtIndex:button];
6065             [self _clickButtonWithName:buttonName];
6066         }
6067
6068         [sheet dismissWithClickedButtonIndex:-1 animated:YES];
6069     }
6070 }
6071
6072 - (bool) _allowJavaScriptPanel {
6073     return commercial_;
6074 }
6075
6076 #if !AlwaysReload
6077 - (void) _customButtonClicked {
6078     int count([buttons_ count]);
6079     if (count == 0)
6080         return;
6081
6082     if (count == 1)
6083         [self _clickButtonWithName:[buttons_ objectAtIndex:0]];
6084     else {
6085         NSMutableArray *buttons = [NSMutableArray arrayWithCapacity:count];
6086         [buttons addObjectsFromArray:buttons_];
6087
6088         UIActionSheet *sheet = [[[UIActionSheet alloc]
6089             initWithTitle:nil
6090             delegate:self
6091             cancelButtonTitle:nil
6092             destructiveButtonTitle:nil
6093             otherButtonTitles:nil
6094         ] autorelease];
6095
6096         for (NSString *button in buttons) [sheet addButtonWithTitle:button];
6097         if (!IsWildcat_) {
6098            [sheet addButtonWithTitle:UCLocalize("CANCEL")];
6099            [sheet setCancelButtonIndex:[sheet numberOfButtons] - 1];
6100         }
6101         [sheet setContext:@"modify"];
6102
6103         [delegate_ showActionSheet:sheet fromItem:[[self navigationItem] rightBarButtonItem]];
6104     }
6105 }
6106
6107 // We don't want to allow non-commercial packages to do custom things to the install button,
6108 // so it must call customButtonClicked with a custom commercial_ == 1 fallthrough.
6109 - (void) customButtonClicked {
6110     if (commercial_)
6111         [super customButtonClicked];
6112     else
6113         [self _customButtonClicked];
6114 }
6115
6116 - (void) reloadButtonClicked {
6117     // Don't reload a commerical package by tapping the loading button,
6118     // but if it's not an Install button, we should forward it on.
6119     if (![package_ uninstalled])
6120         [self _customButtonClicked];
6121 }
6122
6123 - (void) applyLoadingTitle {
6124     // Don't show "Loading" as the title. Ever.
6125 }
6126
6127 - (UIBarButtonItem *) rightButton {
6128     return button_;
6129 }
6130 #endif
6131
6132 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name {
6133     if ((self = [super init]) != nil) {
6134         database_ = database;
6135         buttons_ = [NSMutableArray arrayWithCapacity:4];
6136         name_ = [NSString stringWithString:name];
6137         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/package/%@", UI_, (id) name_]]];
6138     } return self;
6139 }
6140
6141 - (void) reloadData {
6142     package_ = [database_ packageWithName:name_];
6143
6144     [buttons_ removeAllObjects];
6145
6146     if (package_ != nil) {
6147         [(Package *) package_ parse];
6148
6149         commercial_ = [package_ isCommercial];
6150
6151         if ([package_ mode] != nil)
6152             [buttons_ addObject:UCLocalize("CLEAR")];
6153         if ([package_ source] == nil);
6154         else if ([package_ upgradableAndEssential:NO])
6155             [buttons_ addObject:UCLocalize("UPGRADE")];
6156         else if ([package_ uninstalled])
6157             [buttons_ addObject:UCLocalize("INSTALL")];
6158         else
6159             [buttons_ addObject:UCLocalize("REINSTALL")];
6160         if (![package_ uninstalled])
6161             [buttons_ addObject:UCLocalize("REMOVE")];
6162     }
6163
6164     NSString *title;
6165     switch ([buttons_ count]) {
6166         case 0: title = nil; break;
6167         case 1: title = [buttons_ objectAtIndex:0]; break;
6168         default: title = UCLocalize("MODIFY"); break;
6169     }
6170
6171     button_ = [[[UIBarButtonItem alloc]
6172         initWithTitle:title
6173         style:UIBarButtonItemStylePlain
6174         target:self
6175         action:@selector(customButtonClicked)
6176     ] autorelease];
6177
6178     [super reloadData];
6179 }
6180
6181 - (bool) isLoading {
6182     return commercial_ ? [super isLoading] : false;
6183 }
6184
6185 @end
6186 /* }}} */
6187
6188 /* Package List Controller {{{ */
6189 @interface PackageListController : CYViewController <
6190     UITableViewDataSource,
6191     UITableViewDelegate
6192 > {
6193     _transient Database *database_;
6194     unsigned era_;
6195     NSMutableArray *packages_;
6196     NSMutableArray *sections_;
6197     UITableView *list_;
6198     NSMutableArray *index_;
6199     NSMutableDictionary *indices_;
6200     NSString *title_;
6201 }
6202
6203 - (id) initWithDatabase:(Database *)database title:(NSString *)title;
6204 - (void) setDelegate:(id)delegate;
6205 - (void) resetCursor;
6206
6207 @end
6208
6209 @implementation PackageListController
6210
6211 - (void) dealloc {
6212     [packages_ release];
6213     [sections_ release];
6214     [list_ release];
6215     [index_ release];
6216     [indices_ release];
6217     [title_ release];
6218
6219     [super dealloc];
6220 }
6221
6222 - (void) deselectWithAnimation:(BOOL)animated {
6223     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
6224 }
6225
6226 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration curve:(UIViewAnimationCurve)curve {
6227     CGRect base = [[self view] bounds];
6228     base.size.height -= bounds.size.height;
6229     base.origin = [list_ frame].origin;
6230
6231     [UIView beginAnimations:nil context:NULL];
6232     [UIView setAnimationBeginsFromCurrentState:YES];
6233     [UIView setAnimationCurve:curve];
6234     [UIView setAnimationDuration:duration];
6235     [list_ setFrame:base];
6236     [UIView commitAnimations];
6237 }
6238
6239 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration {
6240     [self resizeForKeyboardBounds:bounds duration:duration curve:UIViewAnimationCurveLinear];
6241 }
6242
6243 - (void) resizeForKeyboardBounds:(CGRect)bounds {
6244     [self resizeForKeyboardBounds:bounds duration:0];
6245 }
6246
6247 - (void) keyboardWillShow:(NSNotification *)notification {
6248     CGRect bounds;
6249     CGPoint center;
6250     NSTimeInterval duration;
6251     UIViewAnimationCurve curve;
6252     [[[notification userInfo] objectForKey:UIKeyboardBoundsUserInfoKey] getValue:&bounds];
6253     [[[notification userInfo] objectForKey:UIKeyboardCenterEndUserInfoKey] getValue:&center];
6254     [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:&curve];
6255     [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:&duration];
6256
6257     CGRect kbframe = CGRectMake(round(center.x - bounds.size.width / 2.0), round(center.y - bounds.size.height / 2.0), bounds.size.width, bounds.size.height);
6258     UIViewController *base = self;
6259     while ([base parentViewController] != nil)
6260         base = [base parentViewController];
6261     CGRect viewframe = [[base view] convertRect:[list_ frame] fromView:[list_ superview]];
6262     CGRect intersection = CGRectIntersection(viewframe, kbframe);
6263
6264     [self resizeForKeyboardBounds:intersection duration:duration curve:curve];
6265 }
6266
6267 - (void) keyboardWillHide:(NSNotification *)notification {
6268     NSTimeInterval duration;
6269     UIViewAnimationCurve curve;
6270     [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:&curve];
6271     [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:&duration];
6272
6273     [self resizeForKeyboardBounds:CGRectZero duration:duration curve:curve];
6274 }
6275
6276 - (void) viewWillAppear:(BOOL)animated {
6277     [super viewWillAppear:animated];
6278
6279     [self resizeForKeyboardBounds:CGRectZero];
6280     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
6281     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
6282 }
6283
6284 - (void) viewWillDisappear:(BOOL)animated {
6285     [super viewWillDisappear:animated];
6286
6287     [self resizeForKeyboardBounds:CGRectZero];
6288     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillShowNotification object:nil];
6289     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillHideNotification object:nil];
6290 }
6291
6292 - (void) viewDidAppear:(BOOL)animated {
6293     [super viewDidAppear:animated];
6294     [self deselectWithAnimation:animated];
6295 }
6296
6297 - (void) didSelectPackage:(Package *)package {
6298     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
6299     [view setDelegate:delegate_];
6300     [[self navigationController] pushViewController:view animated:YES];
6301 }
6302
6303 #if TryIndexedCollation
6304 + (BOOL) hasIndexedCollation {
6305     return NO; // XXX: objc_getClass("UILocalizedIndexedCollation") != nil;
6306 }
6307 #endif
6308
6309 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
6310     NSInteger count([sections_ count]);
6311     return count == 0 ? 1 : count;
6312 }
6313
6314 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
6315     if ([sections_ count] == 0 || [[sections_ objectAtIndex:section] count] == 0)
6316         return nil;
6317     return [[sections_ objectAtIndex:section] name];
6318 }
6319
6320 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
6321     if ([sections_ count] == 0)
6322         return 0;
6323     return [[sections_ objectAtIndex:section] count];
6324 }
6325
6326 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
6327 @synchronized (database_) {
6328     if ([database_ era] != era_)
6329         return nil;
6330
6331     Section *section([sections_ objectAtIndex:[path section]]);
6332     NSInteger row([path row]);
6333     Package *package([packages_ objectAtIndex:([section row] + row)]);
6334     return [[package retain] autorelease];
6335 } }
6336
6337 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
6338     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
6339     if (cell == nil)
6340         cell = [[[PackageCell alloc] init] autorelease];
6341     [cell setPackage:[self packageAtIndexPath:path]];
6342     return cell;
6343 }
6344
6345 - (void) tableView:(UITableView *)table didSelectRowAtIndexPath:(NSIndexPath *)path {
6346     Package *package([self packageAtIndexPath:path]);
6347     package = [database_ packageWithName:[package id]];
6348     [self didSelectPackage:package];
6349 }
6350
6351 - (NSArray *) sectionIndexTitlesForTableView:(UITableView *)tableView {
6352     // XXX: is 20 the most optimal number here?
6353     return [packages_ count] > 20 ? index_ : nil;
6354 }
6355
6356 - (NSInteger) tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index {
6357 #if TryIndexedCollation
6358     if ([[self class] hasIndexedCollation]) {
6359         return [[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionForSectionIndexTitleAtIndex:index];
6360     }
6361 #endif
6362
6363     return index;
6364 }
6365
6366 - (id) initWithDatabase:(Database *)database title:(NSString *)title {
6367     if ((self = [super init]) != nil) {
6368         database_ = database;
6369         title_ = [title copy];
6370         [[self navigationItem] setTitle:title_];
6371
6372 #if TryIndexedCollation
6373         if ([[self class] hasIndexedCollation])
6374             index_ = [[[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionIndexTitles] retain]
6375         else
6376 #endif
6377             index_ = [[NSMutableArray alloc] initWithCapacity:32];
6378
6379         indices_ = [[NSMutableDictionary alloc] initWithCapacity:32];
6380
6381         packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
6382         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
6383
6384         list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
6385         [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6386         [list_ setRowHeight:73];
6387         [[self view] addSubview:list_];
6388
6389         [list_ setDataSource:self];
6390         [list_ setDelegate:self];
6391     } return self;
6392 }
6393
6394 - (void) setDelegate:(id)delegate {
6395     delegate_ = delegate;
6396 }
6397
6398 - (bool) hasPackage:(Package *)package {
6399     return true;
6400 }
6401
6402 - (void) reloadData {
6403     [super reloadData];
6404
6405     era_ = [database_ era];
6406     NSArray *packages = [database_ packages];
6407
6408     [packages_ removeAllObjects];
6409     [sections_ removeAllObjects];
6410
6411     _profile(PackageTable$reloadData$Filter)
6412         for (Package *package in packages)
6413             if ([self hasPackage:package])
6414                 [packages_ addObject:package];
6415     _end
6416
6417     [indices_ removeAllObjects];
6418
6419     Section *section = nil;
6420
6421 #if TryIndexedCollation
6422     if ([[self class] hasIndexedCollation]) {
6423         id collation = [objc_getClass("UILocalizedIndexedCollation") currentCollation];
6424         NSArray *titles = [collation sectionIndexTitles];
6425         int secidx = -1;
6426
6427         _profile(PackageTable$reloadData$Section)
6428             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6429                 Package *package;
6430                 int index;
6431
6432                 _profile(PackageTable$reloadData$Section$Package)
6433                     package = [packages_ objectAtIndex:offset];
6434                     index = [collation sectionForObject:package collationStringSelector:@selector(name)];
6435                 _end
6436
6437                 while (secidx < index) {
6438                     secidx += 1;
6439
6440                     _profile(PackageTable$reloadData$Section$Allocate)
6441                         section = [[[Section alloc] initWithName:[titles objectAtIndex:secidx] row:offset localize:NO] autorelease];
6442                     _end
6443
6444                     _profile(PackageTable$reloadData$Section$Add)
6445                         [sections_ addObject:section];
6446                     _end
6447                 }
6448
6449                 [section addToCount];
6450             }
6451         _end
6452     } else
6453 #endif
6454     {
6455         [index_ removeAllObjects];
6456
6457         _profile(PackageTable$reloadData$Section)
6458             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6459                 Package *package;
6460                 unichar index;
6461
6462                 _profile(PackageTable$reloadData$Section$Package)
6463                     package = [packages_ objectAtIndex:offset];
6464                     index = [package index];
6465                 _end
6466
6467                 if (section == nil || [section index] != index) {
6468                     _profile(PackageTable$reloadData$Section$Allocate)
6469                         section = [[[Section alloc] initWithIndex:index row:offset] autorelease];
6470                     _end
6471
6472                     [index_ addObject:[section name]];
6473                     //[indices_ setObject:[NSNumber numberForInt:[sections_ count]] forKey:index];
6474
6475                     _profile(PackageTable$reloadData$Section$Add)
6476                         [sections_ addObject:section];
6477                     _end
6478                 }
6479
6480                 [section addToCount];
6481             }
6482         _end
6483     }
6484
6485     _profile(PackageTable$reloadData$List)
6486         [list_ reloadData];
6487     _end
6488 }
6489
6490 - (void) resetCursor {
6491     [list_ scrollRectToVisible:CGRectMake(0, 0, 0, 0) animated:NO];
6492 }
6493
6494 @end
6495 /* }}} */
6496 /* Filtered Package List Controller {{{ */
6497 @interface FilteredPackageListController : PackageListController {
6498     SEL filter_;
6499     IMP imp_;
6500     id object_;
6501 }
6502
6503 - (void) setObject:(id)object;
6504 - (void) setObject:(id)object forFilter:(SEL)filter;
6505
6506 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object;
6507
6508 @end
6509
6510 @implementation FilteredPackageListController
6511
6512 - (void) dealloc {
6513     if (object_ != nil)
6514         [object_ release];
6515     [super dealloc];
6516 }
6517
6518 - (void) setFilter:(SEL)filter {
6519     filter_ = filter;
6520
6521     /* XXX: this is an unsafe optimization of doomy hell */
6522     Method method(class_getInstanceMethod([Package class], filter));
6523     _assert(method != NULL);
6524     imp_ = method_getImplementation(method);
6525     _assert(imp_ != NULL);
6526 }
6527
6528 - (void) setObject:(id)object {
6529     if (object_ != nil)
6530         [object_ release];
6531     if (object == nil)
6532         object_ = nil;
6533     else
6534         object_ = [object retain];
6535 }
6536
6537 - (void) setObject:(id)object forFilter:(SEL)filter {
6538     [self setFilter:filter];
6539     [self setObject:object];
6540 }
6541
6542 - (bool) hasPackage:(Package *)package {
6543     _profile(FilteredPackageTable$hasPackage)
6544         return [package valid] && (*reinterpret_cast<bool (*)(id, SEL, id)>(imp_))(package, filter_, object_);
6545     _end
6546 }
6547
6548 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object {
6549     if ((self = [super initWithDatabase:database title:title]) != nil) {
6550         [self setFilter:filter];
6551         [self setObject:object];
6552     } return self;
6553 }
6554
6555 @end
6556 /* }}} */
6557
6558 /* Home Controller {{{ */
6559 @interface HomeController : CYBrowserController {
6560 }
6561
6562 @end
6563
6564 @implementation HomeController
6565
6566 - (id) init {
6567     if ((self = [super init]) != nil) {
6568         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/home/", UI_]]];
6569     } return self;
6570 }
6571
6572 - (NSURL *) navigationURL {
6573     return [NSURL URLWithString:@"cydia://home"];
6574 }
6575
6576 - (void) aboutButtonClicked {
6577     UIAlertView *alert([[[UIAlertView alloc] init] autorelease]);
6578
6579     [alert setTitle:UCLocalize("ABOUT_CYDIA")];
6580     [alert addButtonWithTitle:UCLocalize("CLOSE")];
6581     [alert setCancelButtonIndex:0];
6582
6583     [alert setMessage:
6584         @"Copyright (C) 2008-2011\n"
6585         "Jay Freeman (saurik)\n"
6586         "saurik@saurik.com\n"
6587         "http://www.saurik.com/"
6588     ];
6589
6590     [alert show];
6591 }
6592
6593 - (void) viewDidLoad {
6594     [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6595         initWithTitle:UCLocalize("ABOUT")
6596         style:UIBarButtonItemStylePlain
6597         target:self
6598         action:@selector(aboutButtonClicked)
6599     ] autorelease]];
6600 }
6601
6602 @end
6603 /* }}} */
6604 /* Manage Controller {{{ */
6605 @interface ManageController : CYBrowserController {
6606 }
6607
6608 - (void) queueStatusDidChange;
6609
6610 @end
6611
6612 @implementation ManageController
6613
6614 - (id) init {
6615     if ((self = [super init]) != nil) {
6616         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/manage/", UI_]]];
6617     } return self;
6618 }
6619
6620 - (NSURL *) navigationURL {
6621     return [NSURL URLWithString:@"cydia://manage"];
6622 }
6623
6624 - (void) viewDidLoad {
6625     [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6626         initWithTitle:UCLocalize("SETTINGS")
6627         style:UIBarButtonItemStylePlain
6628         target:self
6629         action:@selector(settingsButtonClicked)
6630     ] autorelease]];
6631
6632     [self queueStatusDidChange];
6633 }
6634
6635 - (void) settingsButtonClicked {
6636     [delegate_ showSettings];
6637 }
6638
6639 #if !AlwaysReload
6640 - (void) queueButtonClicked {
6641     [delegate_ queue];
6642 }
6643
6644 - (void) applyLoadingTitle {
6645     // Disable "Loading" title.
6646 }
6647
6648 - (void) applyRightButton {
6649     // Disable right button.
6650 }
6651 #endif
6652
6653 - (void) queueStatusDidChange {
6654 #if !AlwaysReload
6655     if (!IsWildcat_ && Queuing_) {
6656         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
6657             initWithTitle:UCLocalize("QUEUE")
6658             style:UIBarButtonItemStyleDone
6659             target:self
6660             action:@selector(queueButtonClicked)
6661         ] autorelease]];
6662     } else {
6663         [[self navigationItem] setRightBarButtonItem:nil];
6664     }
6665 #endif
6666 }
6667
6668 - (bool) isLoading {
6669     // Never show as loading.
6670     return false;
6671 }
6672
6673 @end
6674 /* }}} */
6675
6676 /* Refresh Bar {{{ */
6677 @interface RefreshBar : UINavigationBar {
6678     UIProgressIndicator *indicator_;
6679     UITextLabel *prompt_;
6680     UIProgressBar *progress_;
6681     UINavigationButton *cancel_;
6682 }
6683
6684 @end
6685
6686 @implementation RefreshBar
6687
6688 - (void) dealloc {
6689     [indicator_ release];
6690     [prompt_ release];
6691     [progress_ release];
6692     [cancel_ release];
6693     [super dealloc];
6694 }
6695
6696 - (void) positionViews {
6697     CGRect frame = [cancel_ frame];
6698     frame.size = [cancel_ sizeThatFits:frame.size];
6699     frame.origin.x = [self frame].size.width - frame.size.width - 5;
6700     frame.origin.y = ([self frame].size.height - frame.size.height) / 2;
6701     [cancel_ setFrame:frame];
6702
6703     CGSize prgsize = {75, 100};
6704     CGRect prgrect = {{
6705         [self frame].size.width - prgsize.width - 10,
6706         ([self frame].size.height - prgsize.height) / 2
6707     } , prgsize};
6708     [progress_ setFrame:prgrect];
6709
6710     CGSize indsize([UIProgressIndicator defaultSizeForStyle:[indicator_ activityIndicatorViewStyle]]);
6711     unsigned indoffset = ([self frame].size.height - indsize.height) / 2;
6712     CGRect indrect = {{indoffset, indoffset}, indsize};
6713     [indicator_ setFrame:indrect];
6714
6715     CGSize prmsize = {215, indsize.height + 4};
6716     CGRect prmrect = {{
6717         indoffset * 2 + indsize.width,
6718         unsigned([self frame].size.height - prmsize.height) / 2 - 1
6719     }, prmsize};
6720     [prompt_ setFrame:prmrect];
6721 }
6722
6723 - (void) setFrame:(CGRect)frame {
6724     [super setFrame:frame];
6725     [self positionViews];
6726 }
6727
6728 - (id) initWithFrame:(CGRect)frame delegate:(id)delegate {
6729     if ((self = [super initWithFrame:frame]) != nil) {
6730         [self setAutoresizingMask:UIViewAutoresizingFlexibleWidth];
6731
6732         [self setBarStyle:UIBarStyleBlack];
6733
6734         UIBarStyle barstyle([self _barStyle:NO]);
6735         bool ugly(barstyle == UIBarStyleDefault);
6736
6737         UIProgressIndicatorStyle style = ugly ?
6738             UIProgressIndicatorStyleMediumBrown :
6739             UIProgressIndicatorStyleMediumWhite;
6740
6741         indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectZero];
6742         [indicator_ setStyle:style];
6743         [indicator_ startAnimation];
6744         [self addSubview:indicator_];
6745
6746         prompt_ = [[UITextLabel alloc] initWithFrame:CGRectZero];
6747         [prompt_ setColor:[UIColor colorWithCGColor:(ugly ? Blueish_ : Off_)]];
6748         [prompt_ setBackgroundColor:[UIColor clearColor]];
6749         [prompt_ setFont:[UIFont systemFontOfSize:15]];
6750         [self addSubview:prompt_];
6751
6752         progress_ = [[UIProgressBar alloc] initWithFrame:CGRectZero];
6753         [progress_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleLeftMargin];
6754         [progress_ setStyle:0];
6755         [self addSubview:progress_];
6756
6757         cancel_ = [[UINavigationButton alloc] initWithTitle:UCLocalize("CANCEL") style:UINavigationButtonStyleHighlighted];
6758         [cancel_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
6759         [cancel_ addTarget:delegate action:@selector(cancelPressed) forControlEvents:UIControlEventTouchUpInside];
6760         [cancel_ setBarStyle:barstyle];
6761
6762         [self positionViews];
6763     } return self;
6764 }
6765
6766 - (void) setCancellable:(bool)cancellable {
6767     if (cancellable)
6768         [self addSubview:cancel_];
6769     else
6770         [cancel_ removeFromSuperview];
6771 }
6772
6773 - (void) start {
6774     [prompt_ setText:UCLocalize("UPDATING_DATABASE")];
6775     [progress_ setProgress:0];
6776 }
6777
6778 - (void) stop {
6779     [self setCancellable:NO];
6780 }
6781
6782 - (void) setPrompt:(NSString *)prompt {
6783     [prompt_ setText:prompt];
6784 }
6785
6786 - (void) setProgress:(float)progress {
6787     [progress_ setProgress:progress];
6788 }
6789
6790 @end
6791 /* }}} */
6792
6793 @class CYNavigationController;
6794
6795 /* Cydia Tab Bar Controller {{{ */
6796 @interface CYTabBarController : UITabBarController <
6797     UITabBarControllerDelegate,
6798     ProgressDelegate
6799 > {
6800     _transient Database *database_;
6801     RefreshBar *refreshbar_;
6802
6803     bool dropped_;
6804     bool updating_;
6805     // XXX: ok, "updatedelegate_"?...
6806     _transient NSObject<CydiaDelegate> *updatedelegate_;
6807
6808     id root_;
6809     UIViewController *remembered_;
6810     _transient UIViewController *transient_;
6811 }
6812
6813 - (NSArray *) navigationURLCollection;
6814 - (void) dropBar:(BOOL)animated;
6815 - (void) beginUpdate;
6816 - (void) raiseBar:(BOOL)animated;
6817 - (BOOL) updating;
6818
6819 @end
6820
6821 @implementation CYTabBarController
6822
6823 - (void) setUnselectedViewController:(UIViewController *)transient {
6824     NSMutableArray *controllers = [[self viewControllers] mutableCopy];
6825     if (transient != nil) {
6826         if (transient_ == nil)
6827             remembered_ = [[controllers objectAtIndex:0] retain];
6828         transient_ = transient;
6829         [transient_ setTabBarItem:[remembered_ tabBarItem]];
6830         [controllers replaceObjectAtIndex:0 withObject:transient_];
6831         [self setSelectedIndex:0];
6832         [self setViewControllers:controllers];
6833         [self concealTabBarSelection];
6834     } else if (remembered_ != nil) {
6835         [remembered_ setTabBarItem:[transient_ tabBarItem]];
6836         transient_ = transient;
6837         [controllers replaceObjectAtIndex:0 withObject:remembered_];
6838         [remembered_ release];
6839         remembered_ = nil;
6840         [self setViewControllers:controllers];
6841         [self revealTabBarSelection];
6842     }
6843 }
6844
6845 - (UIViewController *) unselectedViewController {
6846     return transient_;
6847 }
6848
6849 - (void) tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController {
6850     if ([self unselectedViewController])
6851         [self setUnselectedViewController:nil];
6852 }
6853
6854 - (NSArray *) navigationURLCollection {
6855     NSMutableArray *items([NSMutableArray array]);
6856
6857     // XXX: Should this deal with transient view controllers?
6858     for (id navigation in [self viewControllers]) {
6859         NSArray *stack = [navigation performSelector:@selector(navigationURLCollection)];
6860         if (stack != nil)
6861             [items addObject:stack];
6862     }
6863
6864     return items;
6865 }
6866
6867 - (void) reloadData {
6868     for (CYViewController *controller in [self viewControllers])
6869         [controller reloadData];
6870
6871     [(CYNavigationController *)[self unselectedViewController] reloadData];
6872 }
6873
6874 - (void) dealloc {
6875     [refreshbar_ release];
6876     [[NSNotificationCenter defaultCenter] removeObserver:self];
6877
6878     [super dealloc];
6879 }
6880
6881 - (id) initWithDatabase:(Database *)database {
6882     if ((self = [super init]) != nil) {
6883         database_ = database;
6884         [self setDelegate:self];
6885
6886         [[self view] setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6887         [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(statusBarFrameChanged:) name:UIApplicationDidChangeStatusBarFrameNotification object:nil];
6888
6889         refreshbar_ = [[RefreshBar alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, [UINavigationBar defaultSize].height) delegate:self];
6890     } return self;
6891 }
6892
6893 - (void) setUpdate:(NSDate *)date {
6894     [self beginUpdate];
6895 }
6896
6897 - (void) beginUpdate {
6898     [refreshbar_ start];
6899     [self dropBar:YES];
6900
6901     [updatedelegate_ retainNetworkActivityIndicator];
6902     updating_ = true;
6903
6904     [NSThread
6905         detachNewThreadSelector:@selector(performUpdate)
6906         toTarget:self
6907         withObject:nil
6908     ];
6909 }
6910
6911 - (void) performUpdate { _pooled
6912     Status status;
6913     status.setDelegate(self);
6914     [database_ updateWithStatus:status];
6915
6916     [self
6917         performSelectorOnMainThread:@selector(completeUpdate)
6918         withObject:nil
6919         waitUntilDone:NO
6920     ];
6921 }
6922
6923 - (void) stopUpdateWithSelector:(SEL)selector {
6924     updating_ = false;
6925     [updatedelegate_ releaseNetworkActivityIndicator];
6926
6927     [self raiseBar:YES];
6928     [refreshbar_ stop];
6929
6930     [updatedelegate_ performSelector:selector withObject:nil afterDelay:0];
6931 }
6932
6933 - (void) completeUpdate {
6934     if (!updating_)
6935         return;
6936     [self stopUpdateWithSelector:@selector(reloadData)];
6937 }
6938
6939 - (void) cancelUpdate {
6940     [self stopUpdateWithSelector:@selector(updateData)];
6941 }
6942
6943 - (void) cancelPressed {
6944     [self cancelUpdate];
6945 }
6946
6947 - (BOOL) updating {
6948     return updating_;
6949 }
6950
6951 - (void) addProgressEvent:(CydiaProgressEvent *)event {
6952     [refreshbar_ setPrompt:[event compoundMessage]];
6953 }
6954
6955 - (bool) isProgressCancelled {
6956     return !updating_;
6957 }
6958
6959 - (void) setProgressCancellable:(NSNumber *)cancellable {
6960     [refreshbar_ setCancellable:(updating_ && [cancellable boolValue])];
6961 }
6962
6963 - (void) setProgressPercent:(NSNumber *)percent {
6964     [refreshbar_ setProgress:[percent floatValue]];
6965 }
6966
6967 - (void) setProgressStatus:(NSDictionary *)status {
6968     if (status != nil)
6969         [self setProgressPercent:[status objectForKey:@"Percent"]];
6970 }
6971
6972 - (void) setUpdateDelegate:(id)delegate {
6973     updatedelegate_ = delegate;
6974 }
6975
6976 - (CGFloat) statusBarHeight {
6977     if (UIInterfaceOrientationIsPortrait([self interfaceOrientation])) {
6978         return [[UIApplication sharedApplication] statusBarFrame].size.height;
6979     } else {
6980         return [[UIApplication sharedApplication] statusBarFrame].size.width;
6981     }
6982 }
6983
6984 - (UIView *) transitionView {
6985     if ([self respondsToSelector:@selector(_transitionView)])
6986         return [self _transitionView];
6987     else
6988         return MSHookIvar<id>(self, "_viewControllerTransitionView");
6989 }
6990
6991 - (void) dropBar:(BOOL)animated {
6992     if (dropped_)
6993         return;
6994     dropped_ = true;
6995
6996     UIView *transition([self transitionView]);
6997     [[self view] addSubview:refreshbar_];
6998
6999     CGRect barframe([refreshbar_ frame]);
7000
7001     if (kCFCoreFoundationVersionNumber >= kCFCoreFoundationVersionNumber_iPhoneOS_3_0) // XXX: _UIApplicationLinkedOnOrAfter(4)
7002         barframe.origin.y = [self statusBarHeight];
7003     else
7004         barframe.origin.y = 0;
7005
7006     [refreshbar_ setFrame:barframe];
7007
7008     if (animated)
7009         [UIView beginAnimations:nil context:NULL];
7010
7011     CGRect viewframe = [transition frame];
7012     viewframe.origin.y += barframe.size.height;
7013     viewframe.size.height -= barframe.size.height;
7014     [transition setFrame:viewframe];
7015
7016     if (animated)
7017         [UIView commitAnimations];
7018
7019     // Ensure bar has the proper width for our view, it might have changed
7020     barframe.size.width = viewframe.size.width;
7021     [refreshbar_ setFrame:barframe];
7022
7023     // XXX: fix Apple's layout bug
7024     [[root_ selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
7025 }
7026
7027 - (void) raiseBar:(BOOL)animated {
7028     if (!dropped_)
7029         return;
7030     dropped_ = false;
7031
7032     UIView *transition([self transitionView]);
7033     [refreshbar_ removeFromSuperview];
7034
7035     CGRect barframe([refreshbar_ frame]);
7036
7037     if (animated)
7038         [UIView beginAnimations:nil context:NULL];
7039
7040     CGRect viewframe = [transition frame];
7041     viewframe.origin.y -= barframe.size.height;
7042     viewframe.size.height += barframe.size.height;
7043     [transition setFrame:viewframe];
7044
7045     if (animated)
7046         [UIView commitAnimations];
7047
7048     // XXX: fix Apple's layout bug
7049     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
7050 }
7051
7052 #if 0
7053 - (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration {
7054     // XXX: fix Apple's layout bug
7055     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
7056 }
7057 #endif
7058
7059 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
7060     bool dropped(dropped_);
7061
7062     if (dropped)
7063         [self raiseBar:NO];
7064
7065     [super didRotateFromInterfaceOrientation:fromInterfaceOrientation];
7066
7067     if (dropped)
7068         [self dropBar:NO];
7069
7070     // XXX: fix Apple's layout bug
7071     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
7072 }
7073
7074 - (void) statusBarFrameChanged:(NSNotification *)notification {
7075     if (dropped_) {
7076         [self raiseBar:NO];
7077         [self dropBar:NO];
7078     }
7079 }
7080
7081 @end
7082 /* }}} */
7083 /* Cydia Navigation Controller {{{ */
7084 @interface CYNavigationController : UINavigationController {
7085     _transient Database *database_;
7086     _transient id<UINavigationControllerDelegate> delegate_;
7087 }
7088
7089 - (NSArray *) navigationURLCollection;
7090 - (id) initWithDatabase:(Database *)database;
7091 - (void) reloadData;
7092
7093 @end
7094
7095
7096 @implementation CYNavigationController
7097
7098 - (NSArray *) navigationURLCollection {
7099     NSMutableArray *stack([NSMutableArray array]);
7100
7101     for (CYViewController *controller in [self viewControllers]) {
7102         NSString *url = [[controller navigationURL] absoluteString];
7103         if (url != nil)
7104             [stack addObject:url];
7105     }
7106
7107     return stack;
7108 }
7109
7110 - (void) reloadData {
7111     for (CYViewController *page in [self viewControllers]) {
7112         // Only reload controllers that have already loaded.
7113         // This prevents a page from accidentally loading too
7114         // early if it hasn't been shown on the screen yet.
7115         if ([page hasLoaded])
7116             [page reloadData];
7117     }
7118 }
7119
7120 - (void) setDelegate:(id<UINavigationControllerDelegate>)delegate {
7121     delegate_ = delegate;
7122 }
7123
7124 - (id) initWithDatabase:(Database *)database {
7125     if ((self = [super init]) != nil) {
7126         database_ = database;
7127     } return self;
7128 }
7129
7130 @end
7131 /* }}} */
7132
7133 /* Cydia:// Protocol {{{ */
7134 @interface CydiaURLProtocol : NSURLProtocol {
7135 }
7136
7137 @end
7138
7139 @implementation CydiaURLProtocol
7140
7141 + (BOOL) canInitWithRequest:(NSURLRequest *)request {
7142     NSURL *url([request URL]);
7143     if (url == nil)
7144         return NO;
7145
7146     NSString *scheme([[url scheme] lowercaseString]);
7147     if (scheme != nil && [scheme isEqualToString:@"cydia"])
7148         return YES;
7149     if ([[url absoluteString] hasPrefix:@"about:cydia-"])
7150         return YES;
7151
7152     return NO;
7153 }
7154
7155 + (NSURLRequest *) canonicalRequestForRequest:(NSURLRequest *)request {
7156     return request;
7157 }
7158
7159 - (void) _returnPNGWithImage:(UIImage *)icon forRequest:(NSURLRequest *)request {
7160     id<NSURLProtocolClient> client([self client]);
7161     if (icon == nil)
7162         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorFileDoesNotExist userInfo:nil]];
7163     else {
7164         NSData *data(UIImagePNGRepresentation(icon));
7165
7166         NSURLResponse *response([[[NSURLResponse alloc] initWithURL:[request URL] MIMEType:@"image/png" expectedContentLength:-1 textEncodingName:nil] autorelease]);
7167         [client URLProtocol:self didReceiveResponse:response cacheStoragePolicy:NSURLCacheStorageNotAllowed];
7168         [client URLProtocol:self didLoadData:data];
7169         [client URLProtocolDidFinishLoading:self];
7170     }
7171 }
7172
7173 - (void) startLoading {
7174     id<NSURLProtocolClient> client([self client]);
7175     NSURLRequest *request([self request]);
7176
7177     NSURL *url([request URL]);
7178     NSString *href([url absoluteString]);
7179     NSString *scheme([[url scheme] lowercaseString]);
7180
7181     NSString *path;
7182
7183     if ([scheme isEqualToString:@"cydia"])
7184         path = [href substringFromIndex:8];
7185     else if ([scheme isEqualToString:@"about"])
7186         path = [href substringFromIndex:12];
7187     else _assert(false);
7188
7189     NSRange slash([path rangeOfString:@"/"]);
7190
7191     NSString *command;
7192     if (slash.location == NSNotFound) {
7193         command = path;
7194         path = nil;
7195     } else {
7196         command = [path substringToIndex:slash.location];
7197         path = [path substringFromIndex:(slash.location + 1)];
7198     }
7199
7200     Database *database([Database sharedInstance]);
7201
7202     if ([command isEqualToString:@"package-icon"]) {
7203         if (path == nil)
7204             goto fail;
7205         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7206         Package *package([database packageWithName:path]);
7207         if (package == nil)
7208             goto fail;
7209         UIImage *icon([package icon]);
7210         [self _returnPNGWithImage:icon forRequest:request];
7211     } else if ([command isEqualToString:@"source-icon"]) {
7212         if (path == nil)
7213             goto fail;
7214         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7215         NSString *source(Simplify(path));
7216         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sources/%@.png", App_, source]]);
7217         if (icon == nil)
7218             icon = [UIImage applicationImageNamed:@"unknown.png"];
7219         [self _returnPNGWithImage:icon forRequest:request];
7220     } else if ([command isEqualToString:@"uikit-image"]) {
7221         if (path == nil)
7222             goto fail;
7223         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7224         UIImage *icon(_UIImageWithName(path));
7225         [self _returnPNGWithImage:icon forRequest:request];
7226     } else if ([command isEqualToString:@"section-icon"]) {
7227         if (path == nil)
7228             goto fail;
7229         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7230         NSString *section(Simplify(path));
7231         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]]);
7232         if (icon == nil)
7233             icon = [UIImage applicationImageNamed:@"unknown.png"];
7234         [self _returnPNGWithImage:icon forRequest:request];
7235     } else fail: {
7236         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorResourceUnavailable userInfo:nil]];
7237     }
7238 }
7239
7240 - (void) stopLoading {
7241 }
7242
7243 @end
7244 /* }}} */
7245
7246 /* Section Controller {{{ */
7247 @interface SectionController : FilteredPackageListController {
7248     _H<NSString> section_;
7249 }
7250
7251 - (id) initWithDatabase:(Database *)database section:(NSString *)section;
7252
7253 @end
7254
7255 @implementation SectionController
7256
7257 - (NSURL *) navigationURL {
7258     NSString *name = section_;
7259     if (name == nil)
7260         name = @"all";
7261
7262     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sections/%@", name]];
7263 }
7264
7265 - (id) initWithDatabase:(Database *)database section:(NSString *)name {
7266     NSString *title;
7267     if (name == nil)
7268         title = UCLocalize("ALL_PACKAGES");
7269     else if (![name isEqual:@""])
7270         title = [[NSBundle mainBundle] localizedStringForKey:Simplify(name) value:nil table:@"Sections"];
7271     else
7272         title = UCLocalize("NO_SECTION");
7273
7274     if ((self = [super initWithDatabase:database title:title filter:@selector(isVisibleInSection:) with:name]) != nil) {
7275         section_ = name;
7276     } return self;
7277 }
7278
7279 @end
7280 /* }}} */
7281 /* Sections Controller {{{ */
7282 @interface SectionsController : CYViewController <
7283     UITableViewDataSource,
7284     UITableViewDelegate
7285 > {
7286     _transient Database *database_;
7287     NSMutableArray *sections_;
7288     NSMutableArray *filtered_;
7289     UITableView *list_;
7290 }
7291
7292 - (id) initWithDatabase:(Database *)database;
7293 - (void) editButtonClicked;
7294
7295 @end
7296
7297 @implementation SectionsController
7298
7299 - (void) dealloc {
7300     [self releaseSubviews];
7301     [sections_ release];
7302     [filtered_ release];
7303
7304     [super dealloc];
7305 }
7306
7307 - (NSURL *) navigationURL {
7308     return [NSURL URLWithString:@"cydia://sections"];
7309 }
7310
7311 - (void) updateNavigationItem {
7312     [[self navigationItem] setTitle:[self isEditing] ? UCLocalize("SECTION_VISIBILITY") : UCLocalize("SECTIONS")];
7313     if ([sections_ count] == 0) {
7314         [[self navigationItem] setRightBarButtonItem:nil];
7315     } else {
7316         [[self navigationItem] setRightBarButtonItem:[[UIBarButtonItem alloc]
7317             initWithBarButtonSystemItem:([self isEditing] ? UIBarButtonSystemItemDone : UIBarButtonSystemItemEdit)
7318             target:self
7319             action:@selector(editButtonClicked)
7320         ] animated:([[self navigationItem] rightBarButtonItem] != nil)];
7321     }
7322 }
7323
7324 - (void) setEditing:(BOOL)editing animated:(BOOL)animated {
7325     [super setEditing:editing animated:animated];
7326
7327     if (editing)
7328         [list_ reloadData];
7329     else
7330         [delegate_ updateData];
7331
7332     [self updateNavigationItem];
7333 }
7334
7335 - (void) viewDidAppear:(BOOL)animated {
7336     [super viewDidAppear:animated];
7337     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7338 }
7339
7340 - (void) viewWillDisappear:(BOOL)animated {
7341     [super viewWillDisappear:animated];
7342     if ([self isEditing]) [self setEditing:NO];
7343 }
7344
7345 - (Section *) sectionAtIndexPath:(NSIndexPath *)indexPath {
7346     Section *section = nil;
7347     int index = [indexPath row];
7348     if (![self isEditing]) {
7349         index -= 1;
7350         if (index >= 0)
7351             section = [filtered_ objectAtIndex:index];
7352     } else {
7353         section = [sections_ objectAtIndex:index];
7354     }
7355     return section;
7356 }
7357
7358 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7359     if ([self isEditing])
7360         return [sections_ count];
7361     else
7362         return [filtered_ count] + 1;
7363 }
7364
7365 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
7366     return 45.0f;
7367 }*/
7368
7369 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7370     static NSString *reuseIdentifier = @"SectionCell";
7371
7372     SectionCell *cell = (SectionCell *)[tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
7373     if (cell == nil)
7374         cell = [[[SectionCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
7375
7376     [cell setSection:[self sectionAtIndexPath:indexPath] editing:[self isEditing]];
7377
7378     return cell;
7379 }
7380
7381 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
7382     if ([self isEditing])
7383         return;
7384
7385     Section *section = [self sectionAtIndexPath:indexPath];
7386
7387     SectionController *controller = [[[SectionController alloc]
7388         initWithDatabase:database_
7389         section:[section name]
7390     ] autorelease];
7391     [controller setDelegate:delegate_];
7392
7393     [[self navigationController] pushViewController:controller animated:YES];
7394 }
7395
7396 - (void) loadView {
7397     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7398
7399     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds]];
7400     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7401     [list_ setRowHeight:45.0f];
7402     [list_ setDataSource:self];
7403     [list_ setDelegate:self];
7404     [[self view] addSubview:list_];
7405 }
7406
7407 - (void) viewDidLoad {
7408     [[self navigationItem] setTitle:UCLocalize("SECTIONS")];
7409 }
7410
7411 - (void) releaseSubviews {
7412     [list_ release];
7413     list_ = nil;
7414 }
7415
7416 - (id) initWithDatabase:(Database *)database {
7417     if ((self = [super init]) != nil) {
7418         database_ = database;
7419
7420         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
7421         filtered_ = [[NSMutableArray arrayWithCapacity:16] retain];
7422     } return self;
7423 }
7424
7425 - (void) reloadData {
7426     [super reloadData];
7427
7428     NSArray *packages = [database_ packages];
7429
7430     [sections_ removeAllObjects];
7431     [filtered_ removeAllObjects];
7432
7433     NSMutableDictionary *sections([NSMutableDictionary dictionaryWithCapacity:32]);
7434
7435     _trace();
7436     for (Package *package in packages) {
7437         NSString *name([package section]);
7438         NSString *key(name == nil ? @"" : name);
7439
7440         Section *section;
7441
7442         _profile(SectionsView$reloadData$Section)
7443             section = [sections objectForKey:key];
7444             if (section == nil) {
7445                 _profile(SectionsView$reloadData$Section$Allocate)
7446                     section = [[[Section alloc] initWithName:key localize:YES] autorelease];
7447                     [sections setObject:section forKey:key];
7448                 _end
7449             }
7450         _end
7451
7452         [section addToCount];
7453
7454         _profile(SectionsView$reloadData$Filter)
7455             if (![package valid] || ![package visible])
7456                 continue;
7457         _end
7458
7459         [section addToRow];
7460     }
7461     _trace();
7462
7463     [sections_ addObjectsFromArray:[sections allValues]];
7464
7465     [sections_ sortUsingSelector:@selector(compareByLocalized:)];
7466
7467     for (Section *section in sections_) {
7468         size_t count([section row]);
7469         if (count == 0)
7470             continue;
7471
7472         section = [[[Section alloc] initWithName:[section name] localized:[section localized]] autorelease];
7473         [section setCount:count];
7474         [filtered_ addObject:section];
7475     }
7476
7477     [self updateNavigationItem];
7478     [list_ reloadData];
7479     _trace();
7480 }
7481
7482 - (void) editButtonClicked {
7483     [self setEditing:![self isEditing] animated:YES];
7484 }
7485
7486 @end
7487 /* }}} */
7488
7489 /* Changes Controller {{{ */
7490 @interface ChangesController : CYViewController <
7491     UITableViewDataSource,
7492     UITableViewDelegate
7493 > {
7494     _transient Database *database_;
7495     unsigned era_;
7496     CFMutableArrayRef packages_;
7497     NSMutableArray *sections_;
7498     UITableView *list_;
7499     unsigned upgrades_;
7500     BOOL hasSentFirstLoad_;
7501 }
7502
7503 - (id) initWithDatabase:(Database *)database;
7504
7505 @end
7506
7507 @implementation ChangesController
7508
7509 - (void) dealloc {
7510     [self releaseSubviews];
7511     CFRelease(packages_);
7512     [sections_ release];
7513
7514     [super dealloc];
7515 }
7516
7517 - (NSURL *) navigationURL {
7518     return [NSURL URLWithString:@"cydia://changes"];
7519 }
7520
7521 - (void) viewWillAppear:(BOOL)animated {
7522     // Loads after it appears, so don't load beforehand.
7523     loaded_ = YES;
7524     [super viewWillAppear:animated];
7525 }
7526
7527 - (void) viewDidAppear:(BOOL)animated {
7528     [super viewDidAppear:animated];
7529
7530     if (!hasSentFirstLoad_) {
7531         hasSentFirstLoad_ = YES;
7532         [self performSelector:@selector(reloadData) withObject:nil afterDelay:0.0];
7533     } else {
7534         [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7535     }
7536 }
7537
7538 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
7539     NSInteger count([sections_ count]);
7540     return count == 0 ? 1 : count;
7541 }
7542
7543 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
7544     if ([sections_ count] == 0)
7545         return nil;
7546     return [[sections_ objectAtIndex:section] name];
7547 }
7548
7549 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
7550     if ([sections_ count] == 0)
7551         return 0;
7552     return [[sections_ objectAtIndex:section] count];
7553 }
7554
7555 - (Package *) packageAtIndex:(NSUInteger)index {
7556     return (Package *) CFArrayGetValueAtIndex(packages_, index);
7557 }
7558
7559 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
7560 @synchronized (database_) {
7561     if ([database_ era] != era_)
7562         return nil;
7563
7564     NSUInteger sectionIndex([path section]);
7565     if (sectionIndex >= [sections_ count])
7566         return nil;
7567     Section *section([sections_ objectAtIndex:sectionIndex]);
7568     NSInteger row([path row]);
7569     return [[[self packageAtIndex:([section row] + row)] retain] autorelease];
7570 } }
7571
7572 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
7573     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
7574     if (cell == nil)
7575         cell = [[[PackageCell alloc] init] autorelease];
7576     [cell setPackage:[self packageAtIndexPath:path]];
7577     return cell;
7578 }
7579
7580 - (NSIndexPath *) tableView:(UITableView *)table willSelectRowAtIndexPath:(NSIndexPath *)path {
7581     Package *package([self packageAtIndexPath:path]);
7582     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
7583     [view setDelegate:delegate_];
7584     [[self navigationController] pushViewController:view animated:YES];
7585     return path;
7586 }
7587
7588 - (void) refreshButtonClicked {
7589     [delegate_ beginUpdate];
7590     [[self navigationItem] setLeftBarButtonItem:nil animated:YES];
7591 }
7592
7593 - (void) upgradeButtonClicked {
7594     [delegate_ distUpgrade];
7595 }
7596
7597 - (void) loadView {
7598     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7599
7600     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
7601     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7602     [list_ setRowHeight:73];
7603     [list_ setDataSource:self];
7604     [list_ setDelegate:self];
7605     [[self view] addSubview:list_];
7606 }
7607
7608 - (void) viewDidLoad {
7609     [[self navigationItem] setTitle:UCLocalize("CHANGES")];
7610 }
7611
7612 - (void) releaseSubviews {
7613     [list_ release];
7614     list_ = nil;
7615 }
7616
7617 - (id) initWithDatabase:(Database *)database {
7618     if ((self = [super init]) != nil) {
7619         database_ = database;
7620
7621         packages_ = CFArrayCreateMutable(kCFAllocatorDefault, 0, NULL);
7622         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
7623     } return self;
7624 }
7625
7626 // this mostly works because reloadData (below) is @synchronized (database_)
7627 // XXX: that said, I've been running into problems with NSRangeExceptions :(
7628 - (void) _reloadPackages:(NSArray *)packages {
7629     CFRelease(packages_);
7630     packages_ = CFArrayCreateMutable(kCFAllocatorDefault, [packages count], NULL);
7631
7632     _trace();
7633     _profile(ChangesController$_reloadPackages$Filter)
7634         for (Package *package in packages)
7635             if ([package upgradableAndEssential:YES] || [package visible])
7636                 CFArrayAppendValue(packages_, package);
7637     _end
7638     _trace();
7639     _profile(ChangesController$_reloadPackages$radixSort)
7640         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackageChangesRadix) withContext:NULL];
7641     _end
7642     _trace();
7643 }
7644
7645 - (void) reloadData {
7646 @synchronized (database_) {
7647     era_ = [database_ era];
7648     NSArray *packages = [database_ packages];
7649
7650     [sections_ removeAllObjects];
7651
7652 #if 1
7653     UIProgressHUD *hud([delegate_ addProgressHUD]);
7654     [hud setText:UCLocalize("LOADING")];
7655     //NSLog(@"HUD:%@::%@", delegate_, hud);
7656     [self yieldToSelector:@selector(_reloadPackages:) withObject:packages];
7657     [delegate_ removeProgressHUD:hud];
7658 #else
7659     [self _reloadPackages:packages];
7660 #endif
7661
7662     Section *upgradable = [[[Section alloc] initWithName:UCLocalize("AVAILABLE_UPGRADES") localize:NO] autorelease];
7663     Section *ignored = nil;
7664     Section *section = nil;
7665     time_t last = 0;
7666
7667     upgrades_ = 0;
7668     bool unseens = false;
7669
7670     CFDateFormatterRef formatter(CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle));
7671
7672     for (size_t offset = 0, count = CFArrayGetCount(packages_); offset != count; ++offset) {
7673         Package *package = [self packageAtIndex:offset];
7674
7675         BOOL uae = [package upgradableAndEssential:YES];
7676
7677         if (!uae) {
7678             unseens = true;
7679             time_t seen([package seen]);
7680
7681             if (section == nil || last != seen) {
7682                 last = seen;
7683
7684                 NSString *name;
7685                 name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) [NSDate dateWithTimeIntervalSince1970:seen]);
7686                 [name autorelease];
7687
7688                 _profile(ChangesController$reloadData$Allocate)
7689                     name = [NSString stringWithFormat:UCLocalize("NEW_AT"), name];
7690                     section = [[[Section alloc] initWithName:name row:offset localize:NO] autorelease];
7691                     [sections_ addObject:section];
7692                 _end
7693             }
7694
7695             [section addToCount];
7696         } else if ([package ignored]) {
7697             if (ignored == nil) {
7698                 ignored = [[[Section alloc] initWithName:UCLocalize("IGNORED_UPGRADES") row:offset localize:NO] autorelease];
7699             }
7700             [ignored addToCount];
7701         } else {
7702             ++upgrades_;
7703             [upgradable addToCount];
7704         }
7705     }
7706     _trace();
7707
7708     CFRelease(formatter);
7709
7710     if (unseens) {
7711         Section *last = [sections_ lastObject];
7712         size_t count = [last count];
7713         CFArrayReplaceValues(packages_, CFRangeMake(CFArrayGetCount(packages_) - count, count), NULL, 0);
7714         [sections_ removeLastObject];
7715     }
7716
7717     if ([ignored count] != 0)
7718         [sections_ insertObject:ignored atIndex:0];
7719     if (upgrades_ != 0)
7720         [sections_ insertObject:upgradable atIndex:0];
7721
7722     [list_ reloadData];
7723
7724     if (upgrades_ > 0)
7725         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
7726             initWithTitle:[NSString stringWithFormat:UCLocalize("PARENTHETICAL"), UCLocalize("UPGRADE"), [NSString stringWithFormat:@"%u", upgrades_]]
7727             style:UIBarButtonItemStylePlain
7728             target:self
7729             action:@selector(upgradeButtonClicked)
7730         ] autorelease]];
7731
7732     if (![delegate_ updating])
7733         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7734             initWithTitle:UCLocalize("REFRESH")
7735             style:UIBarButtonItemStylePlain
7736             target:self
7737             action:@selector(refreshButtonClicked)
7738         ] autorelease]];
7739
7740     PrintTimes();
7741 } }
7742
7743 @end
7744 /* }}} */
7745 /* Search Controller {{{ */
7746 @interface SearchController : FilteredPackageListController <
7747     UISearchBarDelegate
7748 > {
7749     _H<UISearchBar> search_;
7750     BOOL searchloaded_;
7751 }
7752
7753 - (id) initWithDatabase:(Database *)database;
7754 - (void) setSearchTerm:(NSString *)term;
7755 - (void) reloadData;
7756
7757 @end
7758
7759 @implementation SearchController
7760
7761 - (void) dealloc {
7762     [search_ setDelegate:nil];
7763     [super dealloc];
7764 }
7765
7766 - (NSURL *) navigationURL {
7767     if ([search_ text] == nil || [[search_ text] isEqualToString:@""])
7768         return [NSURL URLWithString:@"cydia://search"];
7769     else
7770         return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://search/%@", [search_ text]]];
7771 }
7772
7773 - (void) setSearchTerm:(NSString *)searchTerm {
7774     [search_ setText:searchTerm];
7775     [self reloadData];
7776 }
7777
7778 - (void) searchBarSearchButtonClicked:(UISearchBar *)searchBar {
7779     [self setObject:[search_ text] forFilter:@selector(isUnfilteredAndSearchedForBy:)];
7780     [search_ resignFirstResponder];
7781     [self reloadData];
7782 }
7783
7784 - (void) searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)text {
7785     [self setObject:text forFilter:@selector(isUnfilteredAndSelectedForBy:)];
7786     [self reloadData];
7787 }
7788
7789 - (id) initWithDatabase:(Database *)database {
7790     if ((self = [super initWithDatabase:database title:UCLocalize("SEARCH") filter:@selector(isUnfilteredAndSearchedForBy:) with:nil])) {
7791         search_ = [[[UISearchBar alloc] init] autorelease];
7792         [search_ setDelegate:self];
7793     } return self;
7794 }
7795
7796 - (void) viewDidAppear:(BOOL)animated {
7797     [super viewDidAppear:animated];
7798
7799     if (!searchloaded_) {
7800         searchloaded_ = YES;
7801         [search_ setFrame:CGRectMake(0, 0, [[self view] bounds].size.width, 44.0f)];
7802         [search_ layoutSubviews];
7803         [search_ setPlaceholder:UCLocalize("SEARCH_EX")];
7804
7805         UITextField *textField;
7806         if ([search_ respondsToSelector:@selector(searchField)])
7807             textField = [search_ searchField];
7808         else
7809             textField = MSHookIvar<UITextField *>(search_, "_searchField");
7810
7811         [textField setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
7812         [textField setEnablesReturnKeyAutomatically:NO];
7813         [[self navigationItem] setTitleView:textField];
7814     }
7815 }
7816
7817 - (void) reloadData {
7818     [self setObject:[search_ text]];
7819     [super reloadData];
7820     [self resetCursor];
7821 }
7822
7823 - (void) didSelectPackage:(Package *)package {
7824     [search_ resignFirstResponder];
7825     [super didSelectPackage:package];
7826 }
7827
7828 @end
7829 /* }}} */
7830 /* Package Settings Controller {{{ */
7831 @interface PackageSettingsController : CYViewController <
7832     UITableViewDataSource,
7833     UITableViewDelegate
7834 > {
7835     _transient Database *database_;
7836     NSString *name_;
7837     Package *package_;
7838     UITableView *table_;
7839     UISwitch *subscribedSwitch_;
7840     UISwitch *ignoredSwitch_;
7841     UITableViewCell *subscribedCell_;
7842     UITableViewCell *ignoredCell_;
7843 }
7844
7845 - (id) initWithDatabase:(Database *)database package:(NSString *)package;
7846
7847 @end
7848
7849 @implementation PackageSettingsController
7850
7851 - (void) dealloc {
7852     [self releaseSubviews];
7853     [name_ release];
7854     [package_ release];
7855
7856     [super dealloc];
7857 }
7858
7859 - (NSURL *) navigationURL {
7860     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/settings", [package_ id]]];
7861 }
7862
7863 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
7864     if (package_ == nil)
7865         return 0;
7866
7867     if ([package_ installed] == nil)
7868         return 1;
7869     else
7870         return 2;
7871 }
7872
7873 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7874     if (package_ == nil)
7875         return 0;
7876
7877     // both sections contain just one item right now.
7878     return 1;
7879 }
7880
7881 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
7882     return nil;
7883 }
7884
7885 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
7886     if (section == 0)
7887         return UCLocalize("SHOW_ALL_CHANGES_EX");
7888     else
7889         return UCLocalize("IGNORE_UPGRADES_EX");
7890 }
7891
7892 - (void) onSubscribed:(id)control {
7893     bool value([control isOn]);
7894     if (package_ == nil)
7895         return;
7896     if ([package_ setSubscribed:value])
7897         [delegate_ updateData];
7898 }
7899
7900 - (void) _updateIgnored {
7901     const char *package([name_ UTF8String]);
7902     bool on([ignoredSwitch_ isOn]);
7903
7904     pid_t pid(ExecFork());
7905     if (pid == 0) {
7906         FILE *dpkg(popen("dpkg --set-selections", "w"));
7907         fwrite(package, strlen(package), 1, dpkg);
7908
7909         if (on)
7910             fwrite(" hold\n", 6, 1, dpkg);
7911         else
7912             fwrite(" install\n", 9, 1, dpkg);
7913
7914         pclose(dpkg);
7915
7916         exit(0);
7917         _assert(false);
7918     }
7919
7920     _forever {
7921         int status;
7922         int result(waitpid(pid, &status, 0));
7923
7924         if (result != -1) {
7925             _assert(result == pid);
7926             break;
7927         }
7928     }
7929 }
7930
7931 - (void) onIgnored:(id)control {
7932     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[self methodSignatureForSelector:@selector(_updateIgnored)]]);
7933     [invocation setTarget:self];
7934     [invocation setSelector:@selector(_updateIgnored)];
7935
7936     [delegate_ reloadDataWithInvocation:invocation];
7937 }
7938
7939 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7940     if (package_ == nil)
7941         return nil;
7942
7943     switch ([indexPath section]) {
7944         case 0: return subscribedCell_;
7945         case 1: return ignoredCell_;
7946
7947         _nodefault
7948     }
7949
7950     return nil;
7951 }
7952
7953 - (void) loadView {
7954     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7955
7956     table_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped];
7957     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7958     [table_ setDataSource:self];
7959     [table_ setDelegate:self];
7960     [[self view] addSubview:table_];
7961
7962     subscribedSwitch_ = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)];
7963     [subscribedSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7964     [subscribedSwitch_ addTarget:self action:@selector(onSubscribed:) forEvents:UIControlEventValueChanged];
7965
7966     ignoredSwitch_ = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)];
7967     [ignoredSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7968     [ignoredSwitch_ addTarget:self action:@selector(onIgnored:) forEvents:UIControlEventValueChanged];
7969
7970     subscribedCell_ = [[UITableViewCell alloc] init];
7971     [subscribedCell_ setText:UCLocalize("SHOW_ALL_CHANGES")];
7972     [subscribedCell_ setAccessoryView:subscribedSwitch_];
7973     [subscribedCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7974
7975     ignoredCell_ = [[UITableViewCell alloc] init];
7976     [ignoredCell_ setText:UCLocalize("IGNORE_UPGRADES")];
7977     [ignoredCell_ setAccessoryView:ignoredSwitch_];
7978     [ignoredCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7979 }
7980
7981 - (void) viewDidLoad {
7982     [[self navigationItem] setTitle:UCLocalize("SETTINGS")];
7983 }
7984
7985 - (void) releaseSubviews {
7986     [ignoredCell_ release];
7987     ignoredCell_ = nil;
7988
7989     [subscribedCell_ release];
7990     subscribedCell_ = nil;
7991
7992     [table_ release];
7993     table_ = nil;
7994
7995     [ignoredSwitch_ release];
7996     ignoredSwitch_ = nil;
7997
7998     [subscribedSwitch_ release];
7999     subscribedSwitch_ = nil;
8000 }
8001
8002 - (id) initWithDatabase:(Database *)database package:(NSString *)package {
8003     if ((self = [super init]) != nil) {
8004         database_ = database;
8005         name_ = [package retain];
8006     } return self;
8007 }
8008
8009 - (void) reloadData {
8010     [super reloadData];
8011
8012     if (package_ != nil)
8013         [package_ autorelease];
8014     package_ = [database_ packageWithName:name_];
8015
8016     if (package_ != nil) {
8017         package_ = [package_ retain];
8018         [subscribedSwitch_ setOn:([package_ subscribed] ? 1 : 0) animated:NO];
8019         [ignoredSwitch_ setOn:([package_ ignored] ? 1 : 0) animated:NO];
8020     } // XXX: what now, G?
8021
8022     [table_ reloadData];
8023 }
8024
8025 @end
8026 /* }}} */
8027
8028 /* Installed Controller {{{ */
8029 @interface InstalledController : FilteredPackageListController {
8030     BOOL expert_;
8031 }
8032
8033 - (id) initWithDatabase:(Database *)database;
8034
8035 - (void) updateRoleButton;
8036 - (void) queueStatusDidChange;
8037
8038 @end
8039
8040 @implementation InstalledController
8041
8042 - (void) dealloc {
8043     [super dealloc];
8044 }
8045
8046 - (NSURL *) navigationURL {
8047     return [NSURL URLWithString:@"cydia://installed"];
8048 }
8049
8050 - (id) initWithDatabase:(Database *)database {
8051     if ((self = [super initWithDatabase:database title:UCLocalize("INSTALLED") filter:@selector(isInstalledAndUnfiltered:) with:[NSNumber numberWithBool:YES]]) != nil) {
8052         [self updateRoleButton];
8053         [self queueStatusDidChange];
8054     } return self;
8055 }
8056
8057 #if !AlwaysReload
8058 - (void) queueButtonClicked {
8059     [delegate_ queue];
8060 }
8061 #endif
8062
8063 - (void) queueStatusDidChange {
8064 #if !AlwaysReload
8065     if (IsWildcat_) {
8066         if (Queuing_) {
8067             [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
8068                 initWithTitle:UCLocalize("QUEUE")
8069                 style:UIBarButtonItemStyleDone
8070                 target:self
8071                 action:@selector(queueButtonClicked)
8072             ] autorelease]];
8073         } else {
8074             [[self navigationItem] setLeftBarButtonItem:nil];
8075         }
8076     }
8077 #endif
8078 }
8079
8080 - (void) updateRoleButton {
8081     if (Role_ != nil && ![Role_ isEqualToString:@"Developer"])
8082         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8083             initWithTitle:(expert_ ? UCLocalize("EXPERT") : UCLocalize("SIMPLE"))
8084             style:(expert_ ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
8085             target:self
8086             action:@selector(roleButtonClicked)
8087         ] autorelease]];
8088 }
8089
8090 - (void) roleButtonClicked {
8091     [self setObject:[NSNumber numberWithBool:expert_]];
8092     [self reloadData];
8093     expert_ = !expert_;
8094
8095     [self updateRoleButton];
8096 }
8097
8098 @end
8099 /* }}} */
8100
8101 /* Source Cell {{{ */
8102 @interface SourceCell : CYTableViewCell <
8103     ContentDelegate
8104 > {
8105     UIImage *icon_;
8106     NSString *origin_;
8107     NSString *label_;
8108 }
8109
8110 - (void) setSource:(Source *)source;
8111
8112 @end
8113
8114 @implementation SourceCell
8115
8116 - (void) clearSource {
8117     [icon_ release];
8118     [origin_ release];
8119     [label_ release];
8120
8121     icon_ = nil;
8122     origin_ = nil;
8123     label_ = nil;
8124 }
8125
8126 - (void) setSource:(Source *)source {
8127     [self clearSource];
8128
8129     if (icon_ == nil)
8130         icon_ = [UIImage applicationImageNamed:[NSString stringWithFormat:@"Sources/%@.png", [source host]]];
8131     if (icon_ == nil)
8132         icon_ = [UIImage applicationImageNamed:@"unknown.png"];
8133     icon_ = [icon_ retain];
8134
8135     origin_ = [[source name] retain];
8136     label_ = [[source uri] retain];
8137
8138     [content_ setNeedsDisplay];
8139 }
8140
8141 - (void) dealloc {
8142     [self clearSource];
8143     [super dealloc];
8144 }
8145
8146 - (SourceCell *) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
8147     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
8148         UIView *content([self contentView]);
8149         CGRect bounds([content bounds]);
8150
8151         content_ = [[ContentView alloc] initWithFrame:bounds];
8152         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8153         [content_ setBackgroundColor:[UIColor whiteColor]];
8154         [content addSubview:content_];
8155
8156         [content_ setDelegate:self];
8157         [content_ setOpaque:YES];
8158     } return self;
8159 }
8160
8161 - (NSString *) accessibilityLabel {
8162     return label_;
8163 }
8164
8165 - (void) drawContentRect:(CGRect)rect {
8166     bool highlighted(highlighted_);
8167     float width(rect.size.width);
8168
8169     if (icon_ != nil)
8170         [icon_ drawInRect:CGRectMake(10, 10, 30, 30)];
8171
8172     if (highlighted)
8173         UISetColor(White_);
8174
8175     if (!highlighted)
8176         UISetColor(Black_);
8177     [origin_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - 80) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
8178
8179     if (!highlighted)
8180         UISetColor(Blue_);
8181     [label_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
8182 }
8183
8184 @end
8185 /* }}} */
8186 /* Source Controller {{{ */
8187 @interface SourceController : FilteredPackageListController {
8188     _transient Source *source_;
8189     NSString *key_;
8190 }
8191
8192 - (id) initWithDatabase:(Database *)database source:(Source *)source;
8193
8194 @end
8195
8196 @implementation SourceController
8197
8198 - (NSURL *) navigationURL {
8199     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sources/%@", [source_ name]]];
8200 }
8201
8202 - (id) initWithDatabase:(Database *)database source:(Source *)source {
8203     if ((self = [super initWithDatabase:database title:[source label] filter:@selector(isVisibleInSource:) with:source]) != nil) {
8204         source_ = source;
8205         key_ = [[source key] retain];
8206     } return self;
8207 }
8208
8209 - (void) reloadData {
8210     source_ = [database_ sourceWithKey:key_];
8211     [key_ release];
8212     key_ = [[source_ key] retain];
8213     [self setObject:source_];
8214     [[self navigationItem] setTitle:[source_ label]];
8215
8216     [super reloadData];
8217 }
8218
8219 @end
8220 /* }}} */
8221 /* Sources Controller {{{ */
8222 @interface SourcesController : CYViewController <
8223     UITableViewDataSource,
8224     UITableViewDelegate
8225 > {
8226     _transient Database *database_;
8227     UITableView *list_;
8228     NSMutableArray *sources_;
8229     int offset_;
8230
8231     NSString *href_;
8232     UIProgressHUD *hud_;
8233     NSError *error_;
8234
8235     //NSURLConnection *installer_;
8236     NSURLConnection *trivial_;
8237     NSURLConnection *trivial_bz2_;
8238     NSURLConnection *trivial_gz_;
8239     //NSURLConnection *automatic_;
8240
8241     BOOL cydia_;
8242 }
8243
8244 - (id) initWithDatabase:(Database *)database;
8245 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated;
8246
8247 @end
8248
8249 @implementation SourcesController
8250
8251 - (void) _releaseConnection:(NSURLConnection *)connection {
8252     if (connection != nil) {
8253         [connection cancel];
8254         //[connection setDelegate:nil];
8255         [connection release];
8256     }
8257 }
8258
8259 - (void) dealloc {
8260     [self releaseSubviews];
8261
8262     [href_ release];
8263     [hud_ release];
8264     [error_ release];
8265
8266     //[self _releaseConnection:installer_];
8267     [self _releaseConnection:trivial_];
8268     [self _releaseConnection:trivial_gz_];
8269     [self _releaseConnection:trivial_bz2_];
8270     //[self _releaseConnection:automatic_];
8271
8272     [sources_ release];
8273     [super dealloc];
8274 }
8275
8276 - (NSURL *) navigationURL {
8277     return [NSURL URLWithString:@"cydia://sources"];
8278 }
8279
8280 - (void) viewDidAppear:(BOOL)animated {
8281     [super viewDidAppear:animated];
8282     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
8283 }
8284
8285 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8286     return offset_ == 0 ? 1 : 2;
8287 }
8288
8289 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
8290     switch (section + (offset_ == 0 ? 1 : 0)) {
8291         case 0: return UCLocalize("ENTERED_BY_USER");
8292         case 1: return UCLocalize("INSTALLED_BY_PACKAGE");
8293
8294         _nodefault
8295     }
8296 }
8297
8298 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8299     int count = [sources_ count];
8300     switch (section) {
8301         case 0: return (offset_ == 0 ? count : offset_);
8302         case 1: return count - offset_;
8303
8304         _nodefault
8305     }
8306 }
8307
8308 - (Source *) sourceAtIndexPath:(NSIndexPath *)indexPath {
8309     unsigned idx = 0;
8310     switch (indexPath.section) {
8311         case 0: idx = indexPath.row; break;
8312         case 1: idx = indexPath.row + offset_; break;
8313
8314         _nodefault
8315     }
8316     return [sources_ objectAtIndex:idx];
8317 }
8318
8319 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8320     static NSString *cellIdentifier = @"SourceCell";
8321
8322     SourceCell *cell = (SourceCell *) [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
8323     if(cell == nil) cell = [[[SourceCell alloc] initWithFrame:CGRectZero reuseIdentifier:cellIdentifier] autorelease];
8324     [cell setSource:[self sourceAtIndexPath:indexPath]];
8325     [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator];
8326
8327     return cell;
8328 }
8329
8330 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
8331     Source *source = [self sourceAtIndexPath:indexPath];
8332
8333     SourceController *controller = [[[SourceController alloc]
8334         initWithDatabase:database_
8335         source:source
8336     ] autorelease];
8337
8338     [controller setDelegate:delegate_];
8339
8340     [[self navigationController] pushViewController:controller animated:YES];
8341 }
8342
8343 - (BOOL) tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
8344     Source *source = [self sourceAtIndexPath:indexPath];
8345     return [source record] != nil;
8346 }
8347
8348 - (void) tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
8349     Source *source = [self sourceAtIndexPath:indexPath];
8350     [Sources_ removeObjectForKey:[source key]];
8351     [delegate_ syncData];
8352 }
8353
8354 - (void) complete {
8355     [delegate_ addTrivialSource:href_];
8356     [delegate_ syncData];
8357 }
8358
8359 - (NSString *) getWarning {
8360     NSString *href(href_);
8361     NSRange colon([href rangeOfString:@"://"]);
8362     if (colon.location != NSNotFound)
8363         href = [href substringFromIndex:(colon.location + 3)];
8364     href = [href stringByAddingPercentEscapes];
8365     href = [CydiaURL(@"api/repotag/") stringByAppendingString:href];
8366     href = [href stringByCachingURLWithCurrentCDN];
8367
8368     NSURL *url([NSURL URLWithString:href]);
8369
8370     NSStringEncoding encoding;
8371     NSError *error(nil);
8372
8373     if (NSString *warning = [NSString stringWithContentsOfURL:url usedEncoding:&encoding error:&error])
8374         return [warning length] == 0 ? nil : warning;
8375     return nil;
8376 }
8377
8378 - (void) _endConnection:(NSURLConnection *)connection {
8379     // XXX: the memory management in this method is horribly awkward
8380
8381     NSURLConnection **field = NULL;
8382     if (connection == trivial_)
8383         field = &trivial_;
8384     else if (connection == trivial_bz2_)
8385         field = &trivial_bz2_;
8386     else if (connection == trivial_gz_)
8387         field = &trivial_gz_;
8388     _assert(field != NULL);
8389     [connection release];
8390     *field = nil;
8391
8392     if (
8393         trivial_ == nil &&
8394         trivial_bz2_ == nil &&
8395         trivial_gz_ == nil
8396     ) {
8397         bool defer(false);
8398
8399         if (cydia_) {
8400             if (NSString *warning = [self yieldToSelector:@selector(getWarning)]) {
8401                 defer = true;
8402
8403                 UIAlertView *alert = [[[UIAlertView alloc]
8404                     initWithTitle:UCLocalize("SOURCE_WARNING")
8405                     message:warning
8406                     delegate:self
8407                     cancelButtonTitle:UCLocalize("CANCEL")
8408                     otherButtonTitles:
8409                         UCLocalize("ADD_ANYWAY"),
8410                     nil
8411                 ] autorelease];
8412
8413                 [alert setContext:@"warning"];
8414                 [alert setNumberOfRows:1];
8415                 [alert show];
8416             } else
8417                 [self complete];
8418         } else if (error_ != nil) {
8419             UIAlertView *alert = [[[UIAlertView alloc]
8420                 initWithTitle:UCLocalize("VERIFICATION_ERROR")
8421                 message:[error_ localizedDescription]
8422                 delegate:self
8423                 cancelButtonTitle:UCLocalize("OK")
8424                 otherButtonTitles:nil
8425             ] autorelease];
8426
8427             [alert setContext:@"urlerror"];
8428             [alert show];
8429         } else {
8430             UIAlertView *alert = [[[UIAlertView alloc]
8431                 initWithTitle:UCLocalize("NOT_REPOSITORY")
8432                 message:UCLocalize("NOT_REPOSITORY_EX")
8433                 delegate:self
8434                 cancelButtonTitle:UCLocalize("OK")
8435                 otherButtonTitles:nil
8436             ] autorelease];
8437
8438             [alert setContext:@"trivial"];
8439             [alert show];
8440         }
8441
8442         [delegate_ releaseNetworkActivityIndicator];
8443
8444         [delegate_ removeProgressHUD:hud_];
8445         [hud_ autorelease];
8446         hud_ = nil;
8447
8448         if (!defer) {
8449             [href_ release];
8450             href_ = nil;
8451         }
8452
8453         if (error_ != nil) {
8454             [error_ release];
8455             error_ = nil;
8456         }
8457     }
8458 }
8459
8460 - (void) connection:(NSURLConnection *)connection didReceiveResponse:(NSHTTPURLResponse *)response {
8461     switch ([response statusCode]) {
8462         case 200:
8463             cydia_ = YES;
8464     }
8465 }
8466
8467 - (void) connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
8468     lprintf("connection:\"%s\" didFailWithError:\"%s\"", [href_ UTF8String], [[error localizedDescription] UTF8String]);
8469     if (error_ != nil)
8470         error_ = [error retain];
8471     [self _endConnection:connection];
8472 }
8473
8474 - (void) connectionDidFinishLoading:(NSURLConnection *)connection {
8475     [self _endConnection:connection];
8476 }
8477
8478 - (NSURLConnection *) _requestHRef:(NSString *)href method:(NSString *)method {
8479     NSMutableURLRequest *request = [NSMutableURLRequest
8480         requestWithURL:[NSURL URLWithString:href]
8481         cachePolicy:NSURLRequestUseProtocolCachePolicy
8482         timeoutInterval:120.0
8483     ];
8484
8485     [request setHTTPMethod:method];
8486
8487     if (Machine_ != NULL)
8488         [request setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
8489     if (UniqueID_ != nil)
8490         [request setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
8491
8492     return [[[NSURLConnection alloc] initWithRequest:request delegate:self] autorelease];
8493 }
8494
8495 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
8496     NSString *context([alert context]);
8497
8498     if ([context isEqualToString:@"source"]) {
8499         switch (button) {
8500             case 1: {
8501                 NSString *href = [[alert textField] text];
8502
8503                 //installer_ = [[self _requestHRef:href method:@"GET"] retain];
8504
8505                 if (![href hasSuffix:@"/"])
8506                     href_ = [href stringByAppendingString:@"/"];
8507                 else
8508                     href_ = href;
8509                 href_ = [href_ retain];
8510
8511                 trivial_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages"] method:@"HEAD"] retain];
8512                 trivial_bz2_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.bz2"] method:@"HEAD"] retain];
8513                 trivial_gz_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.gz"] method:@"HEAD"] retain];
8514                 //trivial_bz2_ = [[self _requestHRef:[href stringByAppendingString:@"dists/Release"] method:@"HEAD"] retain];
8515
8516                 cydia_ = false;
8517
8518                 // XXX: this is stupid
8519                 hud_ = [[delegate_ addProgressHUD] retain];
8520                 [hud_ setText:UCLocalize("VERIFYING_URL")];
8521                 [delegate_ retainNetworkActivityIndicator];
8522             } break;
8523
8524             case 0:
8525             break;
8526
8527             _nodefault
8528         }
8529
8530         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8531     } else if ([context isEqualToString:@"trivial"])
8532         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8533     else if ([context isEqualToString:@"urlerror"])
8534         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8535     else if ([context isEqualToString:@"warning"]) {
8536         switch (button) {
8537             case 1:
8538                 [self complete];
8539             break;
8540
8541             case 0:
8542             break;
8543
8544             _nodefault
8545         }
8546
8547         [href_ release];
8548         href_ = nil;
8549
8550         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8551     }
8552 }
8553
8554 - (void) loadView {
8555     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8556
8557     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
8558     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8559     [list_ setRowHeight:56];
8560     [list_ setDataSource:self];
8561     [list_ setDelegate:self];
8562     [[self view] addSubview:list_];
8563 }
8564
8565 - (void) viewDidLoad {
8566     [[self navigationItem] setTitle:UCLocalize("SOURCES")];
8567     [self updateButtonsForEditingStatus:NO animated:NO];
8568 }
8569
8570 - (void) releaseSubviews {
8571     [list_ release];
8572     list_ = nil;
8573 }
8574
8575 - (id) initWithDatabase:(Database *)database {
8576     if ((self = [super init]) != nil) {
8577         database_ = database;
8578         sources_ = [[NSMutableArray arrayWithCapacity:16] retain];
8579     } return self;
8580 }
8581
8582 - (void) reloadData {
8583     [super reloadData];
8584
8585     pkgSourceList list;
8586     if ([database_ popErrorWithTitle:UCLocalize("SOURCES") forOperation:list.ReadMainList()])
8587         return;
8588
8589     [sources_ removeAllObjects];
8590     [sources_ addObjectsFromArray:[database_ sources]];
8591     _trace();
8592     [sources_ sortUsingSelector:@selector(compareByNameAndType:)];
8593     _trace();
8594
8595     int count([sources_ count]);
8596     offset_ = 0;
8597     for (int i = 0; i != count; i++) {
8598         if ([[sources_ objectAtIndex:i] record] == nil)
8599             break;
8600         offset_++;
8601     }
8602
8603     [list_ setEditing:NO];
8604     [self updateButtonsForEditingStatus:NO animated:NO];
8605     [list_ reloadData];
8606 }
8607
8608 - (void) showAddSourcePrompt {
8609     UIAlertView *alert = [[[UIAlertView alloc]
8610         initWithTitle:UCLocalize("ENTER_APT_URL")
8611         message:nil
8612         delegate:self
8613         cancelButtonTitle:UCLocalize("CANCEL")
8614         otherButtonTitles:
8615             UCLocalize("ADD_SOURCE"),
8616         nil
8617     ] autorelease];
8618
8619     [alert setContext:@"source"];
8620     [alert setTransform:CGAffineTransformTranslate([alert transform], 0.0, 100.0)];
8621
8622     [alert setNumberOfRows:1];
8623     [alert addTextFieldWithValue:@"http://" label:@""];
8624
8625     UITextInputTraits *traits = [[alert textField] textInputTraits];
8626     [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
8627     [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
8628     [traits setKeyboardType:UIKeyboardTypeURL];
8629     // XXX: UIReturnKeyDone
8630     [traits setReturnKeyType:UIReturnKeyNext];
8631
8632     [alert show];
8633 }
8634
8635 - (void) addButtonClicked {
8636     [self showAddSourcePrompt];
8637 }
8638
8639 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated {
8640     [[self navigationItem] setLeftBarButtonItem:(editing ? [[[UIBarButtonItem alloc]
8641         initWithTitle:UCLocalize("ADD")
8642         style:UIBarButtonItemStylePlain
8643         target:self
8644         action:@selector(addButtonClicked)
8645     ] autorelease] : [[self navigationItem] backBarButtonItem]) animated:animated];
8646
8647     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8648         initWithTitle:(editing ? UCLocalize("DONE") : UCLocalize("EDIT"))
8649         style:(editing ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
8650         target:self
8651         action:@selector(editButtonClicked)
8652     ] autorelease] animated:animated];
8653
8654     if (IsWildcat_ && !editing)
8655         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
8656             initWithTitle:UCLocalize("SETTINGS")
8657             style:UIBarButtonItemStylePlain
8658             target:self
8659             action:@selector(settingsButtonClicked)
8660         ] autorelease]];
8661 }
8662
8663 - (void) settingsButtonClicked {
8664     [delegate_ showSettings];
8665 }
8666
8667 - (void) editButtonClicked {
8668     [list_ setEditing:![list_ isEditing] animated:YES];
8669
8670     [self updateButtonsForEditingStatus:[list_ isEditing] animated:YES];
8671 }
8672
8673 @end
8674 /* }}} */
8675
8676 /* Settings Controller {{{ */
8677 @interface SettingsController : CYViewController <
8678     UITableViewDataSource,
8679     UITableViewDelegate
8680 > {
8681     _transient Database *database_;
8682     // XXX: ok, "roledelegate_"?...
8683     _transient id roledelegate_;
8684     UITableView *table_;
8685     UISegmentedControl *segment_;
8686     UIView *container_;
8687 }
8688
8689 - (void) showDoneButton;
8690 - (void) resizeSegmentedControl;
8691
8692 @end
8693
8694 @implementation SettingsController
8695
8696 - (void) dealloc {
8697     [self releaseSubviews];
8698
8699     [super dealloc];
8700 }
8701
8702 - (void) loadView {
8703     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8704
8705     table_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped];
8706     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8707     [table_ setDelegate:self];
8708     [table_ setDataSource:self];
8709     [[self view] addSubview:table_];
8710
8711     NSArray *items = [NSArray arrayWithObjects:
8712         UCLocalize("USER"),
8713         UCLocalize("HACKER"),
8714         UCLocalize("DEVELOPER"),
8715     nil];
8716     segment_ = [[UISegmentedControl alloc] initWithItems:items];
8717     container_ = [[UIView alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, 44.0f)];
8718     [container_ addSubview:segment_];
8719 }
8720
8721 - (void) viewDidLoad {
8722     [[self navigationItem] setTitle:UCLocalize("WHO_ARE_YOU")];
8723
8724     int index = -1;
8725     if ([Role_ isEqualToString:@"User"]) index = 0;
8726     if ([Role_ isEqualToString:@"Hacker"]) index = 1;
8727     if ([Role_ isEqualToString:@"Developer"]) index = 2;
8728     if (index != -1) {
8729         [segment_ setSelectedSegmentIndex:index];
8730         [self showDoneButton];
8731     }
8732
8733     [segment_ addTarget:self action:@selector(segmentChanged:) forControlEvents:UIControlEventValueChanged];
8734     [self resizeSegmentedControl];
8735 }
8736
8737 - (void) releaseSubviews {
8738     [table_ release];
8739     table_ = nil;
8740
8741     [segment_ release];
8742     segment_ = nil;
8743
8744     [container_ release];
8745     container_ = nil;
8746 }
8747
8748 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
8749     if ((self = [super init]) != nil) {
8750         database_ = database;
8751         roledelegate_ = delegate;
8752     } return self;
8753 }
8754
8755 - (void) resizeSegmentedControl {
8756     CGFloat width = [[self view] frame].size.width;
8757     [segment_ setFrame:CGRectMake(width / 32.0f, 0, width - (width / 32.0f * 2.0f), 44.0f)];
8758 }
8759
8760 - (void) viewWillAppear:(BOOL)animated {
8761     [super viewWillAppear:animated];
8762
8763     [self resizeSegmentedControl];
8764 }
8765
8766 - (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration {
8767     [self resizeSegmentedControl];
8768 }
8769
8770 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
8771     [self resizeSegmentedControl];
8772 }
8773
8774 - (void) save {
8775     NSString *role(nil);
8776
8777     switch ([segment_ selectedSegmentIndex]) {
8778         case 0: role = @"User"; break;
8779         case 1: role = @"Hacker"; break;
8780         case 2: role = @"Developer"; break;
8781
8782         _nodefault
8783     }
8784
8785     if (![role isEqualToString:Role_]) {
8786         bool rolling(Role_ == nil);
8787         Role_ = role;
8788
8789         Settings_ = [NSMutableDictionary dictionaryWithObjectsAndKeys:
8790             Role_, @"Role",
8791         nil];
8792
8793         [Metadata_ setObject:Settings_ forKey:@"Settings"];
8794         Changed_ = true;
8795
8796         if (rolling)
8797             [roledelegate_ loadData];
8798         else
8799             [roledelegate_ updateData];
8800     }
8801 }
8802
8803 - (void) segmentChanged:(UISegmentedControl *)control {
8804     [self showDoneButton];
8805 }
8806
8807 - (void) saveAndClose {
8808     [self save];
8809
8810     [[self navigationItem] setRightBarButtonItem:nil];
8811     [[self navigationController] dismissModalViewControllerAnimated:YES];
8812 }
8813
8814 - (void) doneButtonClicked {
8815     UIActivityIndicatorView *spinner = [[[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(0, 0, 20.0f, 20.0f)] autorelease];
8816     [spinner startAnimating];
8817     UIBarButtonItem *spinItem = [[[UIBarButtonItem alloc] initWithCustomView:spinner] autorelease];
8818     [[self navigationItem] setRightBarButtonItem:spinItem];
8819
8820     [self performSelector:@selector(saveAndClose) withObject:nil afterDelay:0];
8821 }
8822
8823 - (void) showDoneButton {
8824     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8825         initWithTitle:UCLocalize("DONE")
8826         style:UIBarButtonItemStyleDone
8827         target:self
8828         action:@selector(doneButtonClicked)
8829     ] autorelease] animated:([[self navigationItem] rightBarButtonItem] == nil)];
8830 }
8831
8832 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8833     // XXX: For not having a single cell in the table, this sure is a lot of sections.
8834     return 6;
8835 }
8836
8837 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8838     return 0; // :(
8839 }
8840
8841 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8842     return nil; // This method is required by the protocol.
8843 }
8844
8845 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
8846     if (section == 1)
8847         return UCLocalize("ROLE_EX");
8848     if (section == 4)
8849         return [NSString stringWithFormat:
8850             @"%@: %@\n%@: %@\n%@: %@",
8851             UCLocalize("USER"), UCLocalize("USER_EX"),
8852             UCLocalize("HACKER"), UCLocalize("HACKER_EX"),
8853             UCLocalize("DEVELOPER"), UCLocalize("DEVELOPER_EX")
8854         ];
8855     else return nil;
8856 }
8857
8858 - (CGFloat) tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
8859     return section == 3 ? 44.0f : 0;
8860 }
8861
8862 - (UIView *) tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
8863     return section == 3 ? container_ : nil;
8864 }
8865
8866 - (void) reloadData {
8867     [super reloadData];
8868     [table_ reloadData];
8869 }
8870
8871 @end
8872 /* }}} */
8873 /* Stash Controller {{{ */
8874 @interface StashController : CYViewController {
8875     UIActivityIndicatorView *spinner_;
8876     UILabel *status_;
8877     UILabel *caption_;
8878 }
8879
8880 @end
8881
8882 @implementation StashController
8883
8884 - (void) dealloc {
8885     [self releaseSubviews];
8886
8887     [super dealloc];
8888 }
8889
8890 - (void) loadView {
8891     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8892     [[self view] setBackgroundColor:[UIColor viewFlipsideBackgroundColor]];
8893
8894     spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge] autorelease];
8895     CGRect spinrect = [spinner_ frame];
8896     spinrect.origin.x = ([[self view] frame].size.width / 2) - (spinrect.size.width / 2);
8897     spinrect.origin.y = [[self view] frame].size.height - 80.0f;
8898     [spinner_ setFrame:spinrect];
8899     [spinner_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin];
8900     [[self view] addSubview:spinner_];
8901     [spinner_ startAnimating];
8902
8903     CGRect captrect;
8904     captrect.size.width = [[self view] frame].size.width;
8905     captrect.size.height = 40.0f;
8906     captrect.origin.x = 0;
8907     captrect.origin.y = ([[self view] frame].size.height / 2) - (captrect.size.height * 2);
8908     caption_ = [[[UILabel alloc] initWithFrame:captrect] autorelease];
8909     [caption_ setText:UCLocalize("PREPARING_FILESYSTEM")];
8910     [caption_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8911     [caption_ setFont:[UIFont boldSystemFontOfSize:28.0f]];
8912     [caption_ setTextColor:[UIColor whiteColor]];
8913     [caption_ setBackgroundColor:[UIColor clearColor]];
8914     [caption_ setShadowColor:[UIColor blackColor]];
8915     [caption_ setTextAlignment:UITextAlignmentCenter];
8916     [[self view] addSubview:caption_];
8917
8918     CGRect statusrect;
8919     statusrect.size.width = [[self view] frame].size.width;
8920     statusrect.size.height = 30.0f;
8921     statusrect.origin.x = 0;
8922     statusrect.origin.y = ([[self view] frame].size.height / 2) - statusrect.size.height;
8923     status_ = [[[UILabel alloc] initWithFrame:statusrect] autorelease];
8924     [status_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8925     [status_ setText:UCLocalize("EXIT_WHEN_COMPLETE")];
8926     [status_ setFont:[UIFont systemFontOfSize:16.0f]];
8927     [status_ setTextColor:[UIColor whiteColor]];
8928     [status_ setBackgroundColor:[UIColor clearColor]];
8929     [status_ setShadowColor:[UIColor blackColor]];
8930     [status_ setTextAlignment:UITextAlignmentCenter];
8931     [[self view] addSubview:status_];
8932 }
8933
8934 - (void) releaseSubviews {
8935     [spinner_ release];
8936     spinner_ = nil;
8937
8938     [status_ release];
8939     status_ = nil;
8940
8941     [caption_ release];
8942     caption_ = nil;
8943 }
8944
8945 @end
8946 /* }}} */
8947
8948 @interface Cydia : UIApplication <
8949     ConfirmationControllerDelegate,
8950     DatabaseDelegate,
8951     CydiaDelegate,
8952     UINavigationControllerDelegate,
8953     UITabBarControllerDelegate
8954 > {
8955     // XXX: evaluate all fields for _transient
8956
8957     UIWindow *window_;
8958     CYTabBarController *tabbar_;
8959     CYEmulatedLoadingController *emulated_;
8960
8961     NSMutableArray *essential_;
8962     NSMutableArray *broken_;
8963
8964     Database *database_;
8965
8966     NSURL *starturl_;
8967
8968     unsigned locked_;
8969     unsigned activity_;
8970
8971     StashController *stash_;
8972
8973     bool loaded_;
8974 }
8975
8976 - (void) loadData;
8977
8978 @end
8979
8980 @implementation Cydia
8981
8982 - (void) beginUpdate {
8983     [tabbar_ beginUpdate];
8984 }
8985
8986 - (BOOL) updating {
8987     return [tabbar_ updating];
8988 }
8989
8990 - (void) _loaded {
8991     if ([broken_ count] != 0) {
8992         int count = [broken_ count];
8993
8994         UIAlertView *alert = [[[UIAlertView alloc]
8995             initWithTitle:(count == 1 ? UCLocalize("HALFINSTALLED_PACKAGE") : [NSString stringWithFormat:UCLocalize("HALFINSTALLED_PACKAGES"), count])
8996             message:UCLocalize("HALFINSTALLED_PACKAGE_EX")
8997             delegate:self
8998             cancelButtonTitle:UCLocalize("FORCIBLY_CLEAR")
8999             otherButtonTitles:
9000                 UCLocalize("TEMPORARY_IGNORE"),
9001             nil
9002         ] autorelease];
9003
9004         [alert setContext:@"fixhalf"];
9005         [alert setNumberOfRows:2];
9006         [alert show];
9007     } else if (!Ignored_ && [essential_ count] != 0) {
9008         int count = [essential_ count];
9009
9010         UIAlertView *alert = [[[UIAlertView alloc]
9011             initWithTitle:(count == 1 ? UCLocalize("ESSENTIAL_UPGRADE") : [NSString stringWithFormat:UCLocalize("ESSENTIAL_UPGRADES"), count])
9012             message:UCLocalize("ESSENTIAL_UPGRADE_EX")
9013             delegate:self
9014             cancelButtonTitle:UCLocalize("TEMPORARY_IGNORE")
9015             otherButtonTitles:
9016                 UCLocalize("UPGRADE_ESSENTIAL"),
9017                 UCLocalize("COMPLETE_UPGRADE"),
9018             nil
9019         ] autorelease];
9020
9021         [alert setContext:@"upgrade"];
9022         [alert show];
9023     }
9024 }
9025
9026 - (void) _saveConfig {
9027     _trace();
9028     MetaFile_.Sync();
9029     _trace();
9030
9031     if (Changed_) {
9032         NSString *error(nil);
9033
9034         if (NSData *data = [NSPropertyListSerialization dataFromPropertyList:Metadata_ format:NSPropertyListBinaryFormat_v1_0 errorDescription:&error]) {
9035             _trace();
9036             NSError *error(nil);
9037             if (![data writeToFile:@"/var/lib/cydia/metadata.plist" options:NSAtomicWrite error:&error])
9038                 NSLog(@"failure to save metadata data: %@", error);
9039             _trace();
9040
9041             Changed_ = false;
9042         } else {
9043             NSLog(@"failure to serialize metadata: %@", error);
9044         }
9045     }
9046 }
9047
9048 // Navigation controller for the queuing badge.
9049 - (CYNavigationController *) queueNavigationController {
9050     NSArray *controllers = [tabbar_ viewControllers];
9051     return [controllers objectAtIndex:3];
9052 }
9053
9054 - (void) _updateData {
9055     [self _saveConfig];
9056
9057     [tabbar_ reloadData];
9058
9059     CYNavigationController *navigation = [self queueNavigationController];
9060
9061     id queuedelegate = nil;
9062     if ([[navigation viewControllers] count] > 0)
9063         queuedelegate = [[navigation viewControllers] objectAtIndex:0];
9064
9065     [queuedelegate queueStatusDidChange];
9066     [[navigation tabBarItem] setBadgeValue:(Queuing_ ? UCLocalize("Q_D") : nil)];
9067 }
9068
9069 - (void) _refreshIfPossible:(NSDate *)update {
9070     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
9071
9072     bool recently = false;
9073     if (update != nil) {
9074         NSTimeInterval interval([update timeIntervalSinceNow]);
9075         if (interval <= 0 && interval > -(15*60))
9076             recently = true;
9077     }
9078
9079     // Don't automatic refresh if:
9080     //  - We already refreshed recently.
9081     //  - We already auto-refreshed this launch.
9082     //  - Auto-refresh is disabled.
9083     if (recently || loaded_ || ManualRefresh) {
9084         [self performSelectorOnMainThread:@selector(_loaded) withObject:nil waitUntilDone:NO];
9085
9086         // If we are cancelling, we need to make sure it knows it's already loaded.
9087         loaded_ = true;
9088         return;
9089     } else {
9090         // We are going to load, so remember that.
9091         loaded_ = true;
9092     }
9093
9094     SCNetworkReachabilityFlags flags; {
9095         SCNetworkReachabilityRef reachability(SCNetworkReachabilityCreateWithName(NULL, "cydia.saurik.com"));
9096         SCNetworkReachabilityGetFlags(reachability, &flags);
9097         CFRelease(reachability);
9098     }
9099
9100     // XXX: this elaborate mess is what Apple is using to determine this? :(
9101     // XXX: do we care if the user has to intervene? maybe that's ok?
9102     bool reachable(
9103         (flags & kSCNetworkReachabilityFlagsReachable) != 0 && (
9104             (flags & kSCNetworkReachabilityFlagsConnectionRequired) == 0 || (
9105                 (flags & kSCNetworkReachabilityFlagsConnectionOnDemand) != 0 ||
9106                 (flags & kSCNetworkReachabilityFlagsConnectionOnTraffic) != 0
9107             ) && (flags & kSCNetworkReachabilityFlagsInterventionRequired) == 0 ||
9108             (flags & kSCNetworkReachabilityFlagsIsWWAN) != 0
9109         )
9110     );
9111
9112     // If we can reach the server, auto-refresh!
9113     if (reachable)
9114         [tabbar_ performSelectorOnMainThread:@selector(setUpdate:) withObject:update waitUntilDone:NO];
9115
9116     [pool release];
9117 }
9118
9119 - (void) refreshIfPossible {
9120     [NSThread detachNewThreadSelector:@selector(_refreshIfPossible:) toTarget:self withObject:[Metadata_ objectForKey:@"LastUpdate"]];
9121 }
9122
9123 - (void) _reloadDataWithInvocation:(NSInvocation *)invocation {
9124     UIProgressHUD *hud(loaded_ ? [self addProgressHUD] : nil);
9125     [hud setText:UCLocalize("RELOADING_DATA")];
9126
9127     [database_ yieldToSelector:@selector(reloadDataWithInvocation:) withObject:invocation];
9128
9129     if (hud != nil)
9130         [self removeProgressHUD:hud];
9131
9132     size_t changes(0);
9133
9134     [essential_ removeAllObjects];
9135     [broken_ removeAllObjects];
9136
9137     NSArray *packages([database_ packages]);
9138     for (Package *package in packages) {
9139         if ([package half])
9140             [broken_ addObject:package];
9141         if ([package upgradableAndEssential:NO]) {
9142             if ([package essential])
9143                 [essential_ addObject:package];
9144             ++changes;
9145         }
9146     }
9147
9148     NSLog(@"changes:#%u", changes);
9149
9150     UITabBarItem *changesItem = [[[tabbar_ viewControllers] objectAtIndex:2] tabBarItem];
9151     if (changes != 0) {
9152         _trace();
9153         NSString *badge([[NSNumber numberWithInt:changes] stringValue]);
9154         [changesItem setBadgeValue:badge];
9155         [changesItem setAnimatedBadge:([essential_ count] > 0)];
9156         [self setApplicationIconBadgeNumber:changes];
9157     } else {
9158         _trace();
9159         [changesItem setBadgeValue:nil];
9160         [changesItem setAnimatedBadge:NO];
9161         [self setApplicationIconBadgeNumber:0];
9162     }
9163
9164     [self _updateData];
9165
9166     [self refreshIfPossible];
9167 }
9168
9169 - (void) updateData {
9170     [self _updateData];
9171 }
9172
9173 - (void) update_ {
9174     [database_ update];
9175 }
9176
9177 - (void) complete {
9178     @synchronized (self) {
9179         [self _reloadDataWithInvocation:nil];
9180     }
9181 }
9182
9183 - (void) disemulate {
9184     if (emulated_ == nil)
9185         return;
9186
9187     [window_ addSubview:[tabbar_ view]];
9188     [[emulated_ view] removeFromSuperview];
9189     [emulated_ release];
9190     emulated_ = nil;
9191     [window_ setUserInteractionEnabled:YES];
9192 }
9193
9194 - (void) presentModalViewController:(UIViewController *)controller force:(BOOL)force {
9195     UINavigationController *navigation([[[CYNavigationController alloc] initWithRootViewController:controller] autorelease]);
9196     if (IsWildcat_)
9197         [navigation setModalPresentationStyle:UIModalPresentationFormSheet];
9198
9199     UIViewController *parent;
9200     if (emulated_ == nil)
9201         parent = tabbar_;
9202     else if (!force)
9203         parent = emulated_;
9204     else {
9205         [self disemulate];
9206         parent = tabbar_;
9207     }
9208
9209     [parent presentModalViewController:navigation animated:YES];
9210 }
9211
9212 - (ProgressController *) invokeNewProgress:(NSInvocation *)invocation forController:(UINavigationController *)navigation withTitle:(NSString *)title {
9213     ProgressController *progress([[[ProgressController alloc] initWithDatabase:database_ delegate:self] autorelease]);
9214
9215     if (navigation != nil)
9216         [navigation pushViewController:progress animated:YES];
9217     else
9218         [self presentModalViewController:progress force:YES];
9219
9220     [progress invoke:invocation withTitle:title];
9221     return progress;
9222 }
9223
9224 - (void) detachNewProgressSelector:(SEL)selector toTarget:(id)target forController:(UINavigationController *)navigation title:(NSString *)title {
9225     [self invokeNewProgress:[NSInvocation invocationWithSelector:selector forTarget:target] forController:navigation withTitle:title];
9226 }
9227
9228 - (void) repairWithInvocation:(NSInvocation *)invocation {
9229     _trace();
9230     [self invokeNewProgress:invocation forController:nil withTitle:@"REPAIRING"];
9231     _trace();
9232 }
9233
9234 - (void) repairWithSelector:(SEL)selector {
9235     [self performSelectorOnMainThread:@selector(repairWithInvocation:) withObject:[NSInvocation invocationWithSelector:selector forTarget:database_] waitUntilDone:YES];
9236 }
9237
9238 - (void) syncData {
9239     [self _saveConfig];
9240
9241     FILE *file(fopen("/etc/apt/sources.list.d/cydia.list", "w"));
9242     _assert(file != NULL);
9243
9244     for (NSString *key in [Sources_ allKeys]) {
9245         NSDictionary *source([Sources_ objectForKey:key]);
9246
9247         fprintf(file, "%s %s %s\n",
9248             [[source objectForKey:@"Type"] UTF8String],
9249             [[source objectForKey:@"URI"] UTF8String],
9250             [[source objectForKey:@"Distribution"] UTF8String]
9251         );
9252     }
9253
9254     fclose(file);
9255
9256     [self detachNewProgressSelector:@selector(update_) toTarget:self forController:nil title:@"UPDATING_SOURCES"];
9257
9258     [self complete];
9259 }
9260
9261 - (void) addTrivialSource:(NSString *)href {
9262     [Sources_ setObject:[NSDictionary dictionaryWithObjectsAndKeys:
9263         @"deb", @"Type",
9264         href, @"URI",
9265         @"./", @"Distribution",
9266     nil] forKey:[NSString stringWithFormat:@"deb:%@:./", href]];
9267
9268     Changed_ = true;
9269 }
9270
9271 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
9272     @synchronized (self) {
9273         [self _reloadDataWithInvocation:invocation];
9274     }
9275 }
9276
9277 - (void) reloadData {
9278     [self reloadDataWithInvocation:nil];
9279 }
9280
9281 - (void) resolve {
9282     pkgProblemResolver *resolver = [database_ resolver];
9283
9284     resolver->InstallProtect();
9285     if (!resolver->Resolve(true))
9286         _error->Discard();
9287 }
9288
9289 - (bool) perform {
9290     // XXX: this is a really crappy way of doing this.
9291     // like, seriously: this state machine is still broken, and cancelling this here doesn't really /fix/ that.
9292     // for one, the user can still /start/ a reloading data event while they have a queue, which is stupid
9293     // for two, this just means there is a race condition between the refresh completing and the confirmation controller appearing.
9294     if ([tabbar_ updating])
9295         [tabbar_ cancelUpdate];
9296
9297     if (![database_ prepare])
9298         return false;
9299
9300     ConfirmationController *page([[[ConfirmationController alloc] initWithDatabase:database_] autorelease]);
9301     [page setDelegate:self];
9302     CYNavigationController *confirm_([[[CYNavigationController alloc] initWithRootViewController:page] autorelease]);
9303     [confirm_ setDelegate:self];
9304
9305     if (IsWildcat_)
9306         [confirm_ setModalPresentationStyle:UIModalPresentationFormSheet];
9307     [tabbar_ presentModalViewController:confirm_ animated:YES];
9308
9309     return true;
9310 }
9311
9312 - (void) queue {
9313     @synchronized (self) {
9314         [self perform];
9315     }
9316 }
9317
9318 - (void) clearPackage:(Package *)package {
9319     @synchronized (self) {
9320         [package clear];
9321         [self resolve];
9322         [self perform];
9323     }
9324 }
9325
9326 - (void) installPackages:(NSArray *)packages {
9327     @synchronized (self) {
9328         for (Package *package in packages)
9329             [package install];
9330         [self resolve];
9331         [self perform];
9332     }
9333 }
9334
9335 - (void) installPackage:(Package *)package {
9336     @synchronized (self) {
9337         [package install];
9338         [self resolve];
9339         [self perform];
9340     }
9341 }
9342
9343 - (void) removePackage:(Package *)package {
9344     @synchronized (self) {
9345         [package remove];
9346         [self resolve];
9347         [self perform];
9348     }
9349 }
9350
9351 - (void) distUpgrade {
9352     @synchronized (self) {
9353         if (![database_ upgrade])
9354             return;
9355         [self perform];
9356     }
9357 }
9358
9359 - (void) confirmWithNavigationController:(UINavigationController *)navigation {
9360     Queuing_ = false;
9361     ++locked_;
9362     [self detachNewProgressSelector:@selector(perform) toTarget:database_ forController:navigation title:@"RUNNING"];
9363     --locked_;
9364     [self complete];
9365 }
9366
9367 - (void) showSettings {
9368     SettingsController *role = [[[SettingsController alloc] initWithDatabase:database_ delegate:self] autorelease];
9369     CYNavigationController *nav = [[[CYNavigationController alloc] initWithRootViewController:role] autorelease];
9370     if (IsWildcat_)
9371         [nav setModalPresentationStyle:UIModalPresentationFormSheet];
9372     [tabbar_ presentModalViewController:nav animated:YES];
9373 }
9374
9375 - (void) retainNetworkActivityIndicator {
9376     if (activity_++ == 0)
9377         [self setNetworkActivityIndicatorVisible:YES];
9378
9379 #if TraceLogging
9380     NSLog(@"retainNetworkActivityIndicator->%d", activity_);
9381 #endif
9382 }
9383
9384 - (void) releaseNetworkActivityIndicator {
9385     if (--activity_ == 0)
9386         [self setNetworkActivityIndicatorVisible:NO];
9387
9388 #if TraceLogging
9389     NSLog(@"releaseNetworkActivityIndicator->%d", activity_);
9390 #endif
9391
9392 }
9393
9394 - (void) cancelAndClear:(bool)clear {
9395     @synchronized (self) {
9396         if (clear) {
9397             [database_ clear];
9398             Queuing_ = false;
9399         } else {
9400             Queuing_ = true;
9401         }
9402
9403         [self _updateData];
9404     }
9405 }
9406
9407 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
9408     NSString *context([alert context]);
9409
9410     if ([context isEqualToString:@"conffile"]) {
9411         FILE *input = [database_ input];
9412         if (button == [alert cancelButtonIndex])
9413             fprintf(input, "N\n");
9414         else if (button == [alert firstOtherButtonIndex])
9415             fprintf(input, "Y\n");
9416         fflush(input);
9417
9418         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9419     } else if ([context isEqualToString:@"fixhalf"]) {
9420         if (button == [alert cancelButtonIndex]) {
9421             @synchronized (self) {
9422                 for (Package *broken in broken_) {
9423                     [broken remove];
9424
9425                     NSString *id = [broken id];
9426                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.prerm", id] UTF8String]);
9427                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postrm", id] UTF8String]);
9428                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.preinst", id] UTF8String]);
9429                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postinst", id] UTF8String]);
9430                 }
9431
9432                 [self resolve];
9433                 [self perform];
9434             }
9435         } else if (button == [alert firstOtherButtonIndex]) {
9436             [broken_ removeAllObjects];
9437             [self _loaded];
9438         }
9439
9440         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9441     } else if ([context isEqualToString:@"upgrade"]) {
9442         if (button == [alert firstOtherButtonIndex]) {
9443             @synchronized (self) {
9444                 for (Package *essential in essential_)
9445                     [essential install];
9446
9447                 [self resolve];
9448                 [self perform];
9449             }
9450         } else if (button == [alert firstOtherButtonIndex] + 1) {
9451             [self distUpgrade];
9452         } else if (button == [alert cancelButtonIndex]) {
9453             Ignored_ = YES;
9454         }
9455
9456         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9457     }
9458 }
9459
9460 - (void) system:(NSString *)command { _pooled
9461     _trace();
9462     system([command UTF8String]);
9463     _trace();
9464 }
9465
9466 - (void) applicationWillSuspend {
9467     [database_ clean];
9468     [super applicationWillSuspend];
9469 }
9470
9471 - (BOOL) isSafeToSuspend {
9472     if (locked_ != 0) {
9473 #if !ForRelease
9474         NSLog(@"isSafeToSuspend: locked_ != 0");
9475 #endif
9476         return false;
9477     }
9478
9479     // Use external process status API internally.
9480     // This is probably a really bad idea.
9481     // XXX: what is the point of this? does this solve anything at all?
9482     uint64_t status = 0;
9483     int notify_token;
9484     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
9485         notify_get_state(notify_token, &status);
9486         notify_cancel(notify_token);
9487     }
9488
9489     if (status != 0) {
9490 #if !ForRelease
9491         NSLog(@"isSafeToSuspend: status != 0");
9492 #endif
9493         return false;
9494     }
9495
9496 #if !ForRelease
9497     NSLog(@"isSafeToSuspend: -> true");
9498 #endif
9499     return true;
9500 }
9501
9502 - (void) applicationSuspend:(__GSEvent *)event {
9503     if ([self isSafeToSuspend])
9504         [super applicationSuspend:event];
9505 }
9506
9507 - (void) _animateSuspension:(BOOL)arg0 duration:(double)arg1 startTime:(double)arg2 scale:(float)arg3 {
9508     if ([self isSafeToSuspend])
9509         [super _animateSuspension:arg0 duration:arg1 startTime:arg2 scale:arg3];
9510 }
9511
9512 - (void) _setSuspended:(BOOL)value {
9513     if ([self isSafeToSuspend])
9514         [super _setSuspended:value];
9515 }
9516
9517 - (UIProgressHUD *) addProgressHUD {
9518     UIProgressHUD *hud([[[UIProgressHUD alloc] initWithWindow:window_] autorelease]);
9519     [hud setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
9520
9521     [window_ setUserInteractionEnabled:NO];
9522     [hud show:YES];
9523
9524     UIViewController *target = tabbar_;
9525     while ([target modalViewController] != nil) target = [target modalViewController];
9526     [[target view] addSubview:hud];
9527
9528     ++locked_;
9529     return hud;
9530 }
9531
9532 - (void) removeProgressHUD:(UIProgressHUD *)hud {
9533     [hud show:NO];
9534     [hud removeFromSuperview];
9535     [window_ setUserInteractionEnabled:YES];
9536     --locked_;
9537 }
9538
9539 - (CYViewController *) pageForPackage:(NSString *)name {
9540     return [[[CYPackageController alloc] initWithDatabase:database_ forPackage:name] autorelease];
9541 }
9542
9543 - (CYViewController *) pageForURL:(NSURL *)url forExternal:(BOOL)external {
9544     NSString *scheme([[url scheme] lowercaseString]);
9545     if ([[url absoluteString] length] <= [scheme length] + 3)
9546         return nil;
9547     NSString *path([[url absoluteString] substringFromIndex:[scheme length] + 3]);
9548     NSArray *components([path pathComponents]);
9549
9550     if ([scheme isEqualToString:@"apptapp"] && [components count] > 0 && [[components objectAtIndex:0] isEqualToString:@"package"])
9551         return [self pageForPackage:[components objectAtIndex:1]];
9552
9553     if ([components count] < 1 || ![scheme isEqualToString:@"cydia"])
9554         return nil;
9555
9556     NSString *base([components objectAtIndex:0]);
9557
9558     CYViewController *controller = nil;
9559
9560     if ([base isEqualToString:@"url"]) {
9561         // This kind of URL can contain slashes in the argument, so we can't parse them below.
9562         NSString *destination = [[url absoluteString] substringFromIndex:([scheme length] + [@"://" length] + [base length] + [@"/" length])];
9563         controller = [[[CYBrowserController alloc] initWithURL:[NSURL URLWithString:destination]] autorelease];
9564     } else if (!external && [components count] == 1) {
9565         if ([base isEqualToString:@"manage"]) {
9566             controller = [[[ManageController alloc] init] autorelease];
9567         }
9568
9569         if ([base isEqualToString:@"sources"]) {
9570             controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9571         }
9572
9573         if ([base isEqualToString:@"home"]) {
9574             controller = [[[HomeController alloc] init] autorelease];
9575         }
9576
9577         if ([base isEqualToString:@"sections"]) {
9578             controller = [[[SectionsController alloc] initWithDatabase:database_] autorelease];
9579         }
9580
9581         if ([base isEqualToString:@"search"]) {
9582             controller = [[[SearchController alloc] initWithDatabase:database_] autorelease];
9583         }
9584
9585         if ([base isEqualToString:@"changes"]) {
9586             controller = [[[ChangesController alloc] initWithDatabase:database_] autorelease];
9587         }
9588
9589         if ([base isEqualToString:@"installed"]) {
9590             controller = [[[InstalledController alloc] initWithDatabase:database_] autorelease];
9591         }
9592     } else if ([components count] == 2) {
9593         NSString *argument = [components objectAtIndex:1];
9594
9595         if ([base isEqualToString:@"package"]) {
9596             controller = [self pageForPackage:argument];
9597         }
9598
9599         if (!external && [base isEqualToString:@"search"]) {
9600             controller = [[[SearchController alloc] initWithDatabase:database_] autorelease];
9601             [(SearchController *)controller setSearchTerm:argument];
9602         }
9603
9604         if (!external && [base isEqualToString:@"sections"]) {
9605             if ([argument isEqualToString:@"all"])
9606                 argument = nil;
9607             controller = [[[SectionController alloc] initWithDatabase:database_ section:argument] autorelease];
9608         }
9609
9610         if (!external && [base isEqualToString:@"sources"]) {
9611             if ([argument isEqualToString:@"add"]) {
9612                 controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9613                 [(SourcesController *)controller showAddSourcePrompt];
9614             } else {
9615                 Source *source = [database_ sourceWithKey:argument];
9616                 controller = [[[SourceController alloc] initWithDatabase:database_ source:source] autorelease];
9617             }
9618         }
9619
9620         if (!external && [base isEqualToString:@"launch"]) {
9621             [self launchApplicationWithIdentifier:argument suspended:NO];
9622             return nil;
9623         }
9624     } else if (!external && [components count] == 3) {
9625         NSString *arg1 = [components objectAtIndex:1];
9626         NSString *arg2 = [components objectAtIndex:2];
9627
9628         if ([base isEqualToString:@"package"]) {
9629             if ([arg2 isEqualToString:@"settings"]) {
9630                 controller = [[[PackageSettingsController alloc] initWithDatabase:database_ package:arg1] autorelease];
9631             } else if ([arg2 isEqualToString:@"files"]) {
9632                 if (Package *package = [database_ packageWithName:arg1]) {
9633                     controller = [[[FileTable alloc] initWithDatabase:database_] autorelease];
9634                     [(FileTable *)controller setPackage:package];
9635                 }
9636             }
9637         }
9638     }
9639
9640     [controller setDelegate:self];
9641     return controller;
9642 }
9643
9644 - (BOOL) openCydiaURL:(NSURL *)url forExternal:(BOOL)external {
9645     CYViewController *page([self pageForURL:url forExternal:external]);
9646
9647     if (page != nil) {
9648         CYNavigationController *nav = [[[CYNavigationController alloc] init] autorelease];
9649         [nav setViewControllers:[NSArray arrayWithObject:page]];
9650         [tabbar_ setUnselectedViewController:nav];
9651     }
9652
9653     return page != nil;
9654 }
9655
9656 - (void) applicationOpenURL:(NSURL *)url {
9657     [super applicationOpenURL:url];
9658
9659     if (!loaded_) starturl_ = [url retain];
9660     else [self openCydiaURL:url forExternal:YES];
9661 }
9662
9663 - (void) applicationWillResignActive:(UIApplication *)application {
9664     // Stop refreshing if you get a phone call or lock the device.
9665     if ([tabbar_ updating])
9666         [tabbar_ cancelUpdate];
9667
9668     if ([[self superclass] instancesRespondToSelector:@selector(applicationWillResignActive:)])
9669         [super applicationWillResignActive:application];
9670 }
9671
9672 - (void) applicationWillTerminate:(UIApplication *)application {
9673     Changed_ = true;
9674     [Metadata_ setObject:[tabbar_ navigationURLCollection] forKey:@"InterfaceState"];
9675     [Metadata_ setObject:[NSDate date] forKey:@"LastClosed"];
9676     [Metadata_ setObject:[NSNumber numberWithInt:[tabbar_ selectedIndex]] forKey:@"InterfaceIndex"];
9677
9678     [self _saveConfig];
9679 }
9680
9681 - (void) setConfigurationData:(NSString *)data {
9682     static Pcre conffile_r("^'(.*)' '(.*)' ([01]) ([01])$");
9683
9684     if (!conffile_r(data)) {
9685         lprintf("E:invalid conffile\n");
9686         return;
9687     }
9688
9689     NSString *ofile = conffile_r[1];
9690     //NSString *nfile = conffile_r[2];
9691
9692     UIAlertView *alert = [[[UIAlertView alloc]
9693         initWithTitle:UCLocalize("CONFIGURATION_UPGRADE")
9694         message:[NSString stringWithFormat:@"%@\n\n%@", UCLocalize("CONFIGURATION_UPGRADE_EX"), ofile]
9695         delegate:self
9696         cancelButtonTitle:UCLocalize("KEEP_OLD_COPY")
9697         otherButtonTitles:
9698             UCLocalize("ACCEPT_NEW_COPY"),
9699             // XXX: UCLocalize("SEE_WHAT_CHANGED"),
9700         nil
9701     ] autorelease];
9702
9703     [alert setContext:@"conffile"];
9704     [alert setNumberOfRows:2];
9705     [alert show];
9706 }
9707
9708 - (void) addStashController {
9709     ++locked_;
9710     stash_ = [[StashController alloc] init];
9711     [window_ addSubview:[stash_ view]];
9712 }
9713
9714 - (void) removeStashController {
9715     [[stash_ view] removeFromSuperview];
9716     [stash_ release];
9717     --locked_;
9718 }
9719
9720 - (void) stash {
9721     [self setIdleTimerDisabled:YES];
9722
9723     [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackOpaque];
9724     UpdateExternalStatus(1);
9725     [self yieldToSelector:@selector(system:) withObject:@"/usr/libexec/cydia/free.sh"];
9726     UpdateExternalStatus(0);
9727
9728     [self removeStashController];
9729
9730     if (ExecFork() == 0) {
9731         execlp("launchctl", "launchctl", "stop", "com.apple.SpringBoard", NULL);
9732         perror("launchctl stop");
9733     }
9734 }
9735
9736 - (void) setupViewControllers {
9737     tabbar_ = [[CYTabBarController alloc] initWithDatabase:database_];
9738
9739     NSMutableArray *items([NSMutableArray arrayWithObjects:
9740         [[[UITabBarItem alloc] initWithTitle:@"Cydia" image:[UIImage applicationImageNamed:@"home.png"] tag:0] autorelease],
9741         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SECTIONS") image:[UIImage applicationImageNamed:@"install.png"] tag:0] autorelease],
9742         [[[UITabBarItem alloc] initWithTitle:UCLocalize("CHANGES") image:[UIImage applicationImageNamed:@"changes.png"] tag:0] autorelease],
9743         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SEARCH") image:[UIImage applicationImageNamed:@"search.png"] tag:0] autorelease],
9744     nil]);
9745
9746     if (IsWildcat_) {
9747         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("SOURCES") image:[UIImage applicationImageNamed:@"source.png"] tag:0] autorelease] atIndex:3];
9748         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("INSTALLED") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9749     } else {
9750         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("MANAGE") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9751     }
9752
9753     NSMutableArray *controllers([NSMutableArray array]);
9754     for (UITabBarItem *item in items) {
9755         CYNavigationController *controller([[[CYNavigationController alloc] initWithDatabase:database_] autorelease]);
9756         [controller setTabBarItem:item];
9757         [controllers addObject:controller];
9758     }
9759     [tabbar_ setViewControllers:controllers];
9760
9761     [tabbar_ setUpdateDelegate:self];
9762 }
9763
9764 - (void) addBridgedHost:(NSString *)host {
9765     [BridgedHosts_ addObject:host];
9766 }
9767
9768 - (void) applicationDidFinishLaunching:(id)unused {
9769 _trace();
9770     if ([self respondsToSelector:@selector(setApplicationSupportsShakeToEdit:)])
9771         [self setApplicationSupportsShakeToEdit:NO];
9772
9773     [self addBridgedHost:[[NSURL URLWithString:CydiaURL(@"")] host]];
9774
9775     [NSURLCache setSharedURLCache:[[[SDURLCache alloc]
9776         initWithMemoryCapacity:524288
9777         diskCapacity:10485760
9778         diskPath:[NSString stringWithFormat:@"%@/Library/Caches/com.saurik.Cydia/SDURLCache", @"/var/root"]
9779     ] autorelease]];
9780
9781     [CYBrowserController _initialize];
9782
9783     [NSURLProtocol registerClass:[CydiaURLProtocol class]];
9784
9785     Font12_ = [[UIFont systemFontOfSize:12] retain];
9786     Font12Bold_ = [[UIFont boldSystemFontOfSize:12] retain];
9787     Font14_ = [[UIFont systemFontOfSize:14] retain];
9788     Font18Bold_ = [[UIFont boldSystemFontOfSize:18] retain];
9789     Font22Bold_ = [[UIFont boldSystemFontOfSize:22] retain];
9790
9791     essential_ = [[NSMutableArray alloc] initWithCapacity:4];
9792     broken_ = [[NSMutableArray alloc] initWithCapacity:4];
9793
9794     window_ = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
9795     [window_ orderFront:self];
9796     [window_ makeKey:self];
9797     [window_ setHidden:NO];
9798
9799     if (
9800         readlink("/Applications", NULL, 0) == -1 && errno == EINVAL ||
9801         readlink("/Library/Ringtones", NULL, 0) == -1 && errno == EINVAL ||
9802         readlink("/Library/Wallpaper", NULL, 0) == -1 && errno == EINVAL ||
9803         //readlink("/usr/bin", NULL, 0) == -1 && errno == EINVAL ||
9804         readlink("/usr/include", NULL, 0) == -1 && errno == EINVAL ||
9805         readlink("/usr/lib/pam", NULL, 0) == -1 && errno == EINVAL ||
9806         readlink("/usr/libexec", NULL, 0) == -1 && errno == EINVAL ||
9807         readlink("/usr/share", NULL, 0) == -1 && errno == EINVAL ||
9808         //readlink("/var/lib", NULL, 0) == -1 && errno == EINVAL ||
9809         false
9810     ) {
9811         [self addStashController];
9812         // XXX: this would be much cleaner as a yieldToSelector:
9813         // that way the removeStashController could happen right here inline
9814         // we also could no longer require the useless stash_ field anymore
9815         [self performSelector:@selector(stash) withObject:nil afterDelay:0];
9816         return;
9817     }
9818
9819     database_ = [Database sharedInstance];
9820     [database_ setDelegate:self];
9821
9822     [window_ setUserInteractionEnabled:NO];
9823     [self setupViewControllers];
9824
9825     emulated_ = [[CYEmulatedLoadingController alloc] initWithDatabase:database_];
9826     [window_ addSubview:[emulated_ view]];
9827
9828     [self performSelector:@selector(loadData) withObject:nil afterDelay:0];
9829 _trace();
9830 }
9831
9832 - (NSArray *) defaultStartPages {
9833     NSMutableArray *standard = [NSMutableArray array];
9834     [standard addObject:[NSArray arrayWithObject:@"cydia://home"]];
9835     [standard addObject:[NSArray arrayWithObject:@"cydia://sections"]];
9836     [standard addObject:[NSArray arrayWithObject:@"cydia://changes"]];
9837     if (!IsWildcat_) {
9838         [standard addObject:[NSArray arrayWithObject:@"cydia://manage"]];
9839     } else {
9840         [standard addObject:[NSArray arrayWithObject:@"cydia://installed"]];
9841         [standard addObject:[NSArray arrayWithObject:@"cydia://sources"]];
9842     }
9843     [standard addObject:[NSArray arrayWithObject:@"cydia://search"]];
9844     return standard;
9845 }
9846
9847 - (void) loadData {
9848 _trace();
9849     if (Role_ == nil) {
9850         [window_ setUserInteractionEnabled:YES];
9851         [self presentModalViewController:[[[SettingsController alloc] initWithDatabase:database_ delegate:self] autorelease] force:NO];
9852         return;
9853     } else {
9854         if ([emulated_ modalViewController] != nil)
9855             [emulated_ dismissModalViewControllerAnimated:YES];
9856         [window_ setUserInteractionEnabled:NO];
9857     }
9858
9859     [self reloadData];
9860     PrintTimes();
9861
9862     [self disemulate];
9863
9864     int savedIndex = [[Metadata_ objectForKey:@"InterfaceIndex"] intValue];
9865     NSArray *saved = [[Metadata_ objectForKey:@"InterfaceState"] mutableCopy];
9866     int standardIndex = 0;
9867     NSArray *standard = [self defaultStartPages];
9868
9869     BOOL valid = YES;
9870
9871     if (saved == nil)
9872         valid = NO;
9873
9874     NSDate *closed = [Metadata_ objectForKey:@"LastClosed"];
9875     if (valid && closed != nil) {
9876         NSTimeInterval interval([closed timeIntervalSinceNow]);
9877         // XXX: Is 15 minutes the optimal time here?
9878         if (interval > 0 && interval <= -(15*60))
9879             valid = NO;
9880     }
9881
9882     if (valid && [saved count] != [standard count])
9883         valid = NO;
9884
9885     if (valid) {
9886         for (unsigned int i = 0; i < [standard count]; i++) {
9887             NSArray *std = [standard objectAtIndex:i], *sav = [saved objectAtIndex:i];
9888             // XXX: The "hasPrefix" sanity check here could be, in theory, fooled,
9889             //      but it's good enough for now.
9890             if ([sav count] == 0 || ![[sav objectAtIndex:0] hasPrefix:[std objectAtIndex:0]]) {
9891                 valid = NO;
9892                 break;
9893             }
9894         }
9895     }
9896
9897     NSArray *items = nil;
9898     if (valid) {
9899         [tabbar_ setSelectedIndex:savedIndex];
9900         items = saved;
9901     } else {
9902         [tabbar_ setSelectedIndex:standardIndex];
9903         items = standard;
9904     }
9905
9906     for (unsigned int tab = 0; tab < [[tabbar_ viewControllers] count]; tab++) {
9907         NSArray *stack = [items objectAtIndex:tab];
9908         CYNavigationController *navigation = [[tabbar_ viewControllers] objectAtIndex:tab];
9909         NSMutableArray *current = [NSMutableArray array];
9910
9911         for (unsigned int nav = 0; nav < [stack count]; nav++) {
9912             NSString *addr = [stack objectAtIndex:nav];
9913             NSURL *url = [NSURL URLWithString:addr];
9914             CYViewController *page = [self pageForURL:url forExternal:NO];
9915             if (page != nil)
9916                 [current addObject:page];
9917         }
9918
9919         [navigation setViewControllers:current];
9920     }
9921
9922     // (Try to) show the startup URL.
9923     if (starturl_ != nil) {
9924         [self openCydiaURL:starturl_ forExternal:NO];
9925         [starturl_ release];
9926         starturl_ = nil;
9927     }
9928 }
9929
9930 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item {
9931     if (item != nil && IsWildcat_) {
9932         [sheet showFromBarButtonItem:item animated:YES];
9933     } else {
9934         [sheet showInView:window_];
9935     }
9936 }
9937
9938 - (void) addProgressEvent:(CydiaProgressEvent *)event forTask:(NSString *)task {
9939     id<ProgressDelegate> progress([database_ progressDelegate] ?: [self invokeNewProgress:nil forController:nil withTitle:task]);
9940     [progress setTitle:task];
9941     [progress addProgressEvent:event];
9942 }
9943
9944 - (void) addProgressEventForTask:(NSArray *)data {
9945     CydiaProgressEvent *event([data objectAtIndex:0]);
9946     NSString *task([data count] < 2 ? nil : [data objectAtIndex:1]);
9947     [self addProgressEvent:event forTask:task];
9948 }
9949
9950 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task {
9951     [self performSelectorOnMainThread:@selector(addProgressEventForTask:) withObject:[NSArray arrayWithObjects:event, task, nil] waitUntilDone:YES];
9952 }
9953
9954 @end
9955
9956 /*IMP alloc_;
9957 id Alloc_(id self, SEL selector) {
9958     id object = alloc_(self, selector);
9959     lprintf("[%s]A-%p\n", self->isa->name, object);
9960     return object;
9961 }*/
9962
9963 /*IMP dealloc_;
9964 id Dealloc_(id self, SEL selector) {
9965     id object = dealloc_(self, selector);
9966     lprintf("[%s]D-%p\n", self->isa->name, object);
9967     return object;
9968 }*/
9969
9970 Class $WebDefaultUIKitDelegate;
9971
9972 MSHook(void, UIWebDocumentView$_setUIKitDelegate$, UIWebDocumentView *self, SEL _cmd, id delegate) {
9973     if (delegate == nil && $WebDefaultUIKitDelegate != nil)
9974         delegate = [$WebDefaultUIKitDelegate sharedUIKitDelegate];
9975     return _UIWebDocumentView$_setUIKitDelegate$(self, _cmd, delegate);
9976 }
9977
9978 static NSNumber *shouldPlayKeyboardSounds;
9979
9980 Class $UIHardware;
9981
9982 MSHook(void, UIHardware$_playSystemSound$, Class self, SEL _cmd, int sound) {
9983     switch (sound) {
9984         case 1104: // Keyboard Button Clicked
9985         case 1105: // Keyboard Delete Repeated
9986             if (shouldPlayKeyboardSounds == nil) {
9987                 NSDictionary *dict([[[NSDictionary alloc] initWithContentsOfFile:@"/var/mobile/Library/Preferences/com.apple.preferences.sounds.plist"] autorelease]);
9988                 shouldPlayKeyboardSounds = [([dict objectForKey:@"keyboard"] ?: (id) kCFBooleanTrue) retain];
9989             }
9990
9991             if (![shouldPlayKeyboardSounds boolValue])
9992                 break;
9993
9994         default:
9995             _UIHardware$_playSystemSound$(self, _cmd, sound);
9996     }
9997 }
9998
9999 Class $UIApplication;
10000
10001 MSHook(void, UIApplication$_updateApplicationAccessibility, UIApplication *self, SEL _cmd) {
10002     static BOOL initialized = NO;
10003     static BOOL started = NO;
10004
10005     NSDictionary *dict([[[NSDictionary alloc] initWithContentsOfFile:@"/var/mobile/Library/Preferences/com.apple.Accessibility.plist"] autorelease]);
10006     BOOL enabled = [[dict objectForKey:@"VoiceOverTouchEnabled"] boolValue] || [[dict objectForKey:@"VoiceOverTouchEnabledByiTunes"] boolValue];
10007
10008     if ([self respondsToSelector:@selector(_accessibilityBundlePrincipalClass)]) {
10009         id bundle = [self performSelector:@selector(_accessibilityBundlePrincipalClass)];
10010         if (![bundle respondsToSelector:@selector(_accessibilityStopServer)]) return;
10011         if (![bundle respondsToSelector:@selector(_accessibilityStartServer)]) return;
10012
10013         if (initialized && !enabled) {
10014             initialized = NO;
10015             [bundle performSelector:@selector(_accessibilityStopServer)];
10016         } else if (enabled) {
10017             initialized = YES;
10018             if (!started) {
10019                 started = YES;
10020                 [bundle performSelector:@selector(_accessibilityStartServer)];
10021             }
10022         }
10023     }
10024 }
10025
10026 Class $NSURLConnection;
10027
10028 MSHook(id, NSURLConnection$init$, NSURLConnection *self, SEL _cmd, NSURLRequest *request, id delegate, BOOL usesCache, int64_t maxContentLength, BOOL startImmediately, NSDictionary *connectionProperties) {
10029     NSMutableURLRequest *copy([request mutableCopy]);
10030
10031     NSURL *url([copy URL]);
10032     NSString *host([url host]);
10033
10034     if ([copy respondsToSelector:@selector(setHTTPShouldUsePipelining:)])
10035         if ([BridgedHosts_ containsObject:host])
10036             [copy setHTTPShouldUsePipelining:YES];
10037
10038     if ((self = _NSURLConnection$init$(self, _cmd, copy, delegate, usesCache, maxContentLength, startImmediately, connectionProperties)) != nil) {
10039     } return self;
10040 }
10041
10042 int main(int argc, char *argv[]) { _pooled
10043     _trace();
10044
10045     UpdateExternalStatus(0);
10046
10047     if (Class $UIDevice = objc_getClass("UIDevice")) {
10048         UIDevice *device([$UIDevice currentDevice]);
10049         IsWildcat_ = [device respondsToSelector:@selector(isWildcat)] && [device isWildcat];
10050     } else
10051         IsWildcat_ = false;
10052
10053     UIScreen *screen([UIScreen mainScreen]);
10054     if ([screen respondsToSelector:@selector(scale)])
10055         ScreenScale_ = [screen scale];
10056     else
10057         ScreenScale_ = 1;
10058
10059     UIDevice *device([UIDevice currentDevice]);
10060     if (![device respondsToSelector:@selector(userInterfaceIdiom)])
10061         Idiom_ = @"iphone";
10062     else {
10063         UIUserInterfaceIdiom idiom([device userInterfaceIdiom]);
10064         if (idiom == UIUserInterfaceIdiomPhone)
10065             Idiom_ = @"iphone";
10066         else if (idiom == UIUserInterfaceIdiomPad)
10067             Idiom_ = @"ipad";
10068         else
10069             NSLog(@"unknown UIUserInterfaceIdiom!");
10070     }
10071
10072     BridgedHosts_ = [NSMutableSet setWithCapacity:2];
10073
10074     UI_ = CydiaURL([NSString stringWithFormat:@"ui/ios~%@", Idiom_]);
10075
10076     PackageName = reinterpret_cast<CYString &(*)(Package *, SEL)>(method_getImplementation(class_getInstanceMethod([Package class], @selector(cyname))));
10077
10078     /* Library Hacks {{{ */
10079     class_addMethod(objc_getClass("DOMNodeList"), @selector(countByEnumeratingWithState:objects:count:), (IMP) &DOMNodeList$countByEnumeratingWithState$objects$count$, "I20@0:4^{NSFastEnumerationState}8^@12I16");
10080
10081     $WebDefaultUIKitDelegate = objc_getClass("WebDefaultUIKitDelegate");
10082     Method UIWebDocumentView$_setUIKitDelegate$(class_getInstanceMethod([WebView class], @selector(_setUIKitDelegate:)));
10083     if (UIWebDocumentView$_setUIKitDelegate$ != NULL) {
10084         _UIWebDocumentView$_setUIKitDelegate$ = reinterpret_cast<void (*)(UIWebDocumentView *, SEL, id)>(method_getImplementation(UIWebDocumentView$_setUIKitDelegate$));
10085         method_setImplementation(UIWebDocumentView$_setUIKitDelegate$, reinterpret_cast<IMP>(&$UIWebDocumentView$_setUIKitDelegate$));
10086     }
10087
10088     $NSURLConnection = objc_getClass("NSURLConnection");
10089     Method NSURLConnection$init$(class_getInstanceMethod($NSURLConnection, @selector(_initWithRequest:delegate:usesCache:maxContentLength:startImmediately:connectionProperties:)));
10090     if (NSURLConnection$init$ != NULL) {
10091         _NSURLConnection$init$ = reinterpret_cast<id (*)(NSURLConnection *, SEL, NSURLRequest *, id, BOOL, int64_t, BOOL, NSDictionary *)>(method_getImplementation(NSURLConnection$init$));
10092         method_setImplementation(NSURLConnection$init$, reinterpret_cast<IMP>(&$NSURLConnection$init$));
10093     }
10094
10095     $UIHardware = objc_getClass("UIHardware");
10096     Method UIHardware$_playSystemSound$(class_getClassMethod($UIHardware, @selector(_playSystemSound:)));
10097     if (UIHardware$_playSystemSound$ != NULL) {
10098         _UIHardware$_playSystemSound$ = reinterpret_cast<void (*)(Class, SEL, int)>(method_getImplementation(UIHardware$_playSystemSound$));
10099         method_setImplementation(UIHardware$_playSystemSound$, reinterpret_cast<IMP>(&$UIHardware$_playSystemSound$));
10100     }
10101
10102     $UIApplication = objc_getClass("UIApplication");
10103     Method UIApplication$_updateApplicationAccessibility(class_getInstanceMethod($UIApplication, @selector(_updateApplicationAccessibility)));
10104     if (UIApplication$_updateApplicationAccessibility != NULL) {
10105         _UIApplication$_updateApplicationAccessibility = reinterpret_cast<void (*)(UIApplication *, SEL)>(method_getImplementation(UIApplication$_updateApplicationAccessibility));
10106         method_setImplementation(UIApplication$_updateApplicationAccessibility, reinterpret_cast<IMP>(&$UIApplication$_updateApplicationAccessibility));
10107     }
10108     /* }}} */
10109     /* Set Locale {{{ */
10110     Locale_ = CFLocaleCopyCurrent();
10111     Languages_ = [NSLocale preferredLanguages];
10112
10113     //CFStringRef locale(CFLocaleGetIdentifier(Locale_));
10114     //NSLog(@"%@", [Languages_ description]);
10115
10116     const char *lang;
10117     if (Locale_ != NULL)
10118         lang = [(NSString *) CFLocaleGetIdentifier(Locale_) UTF8String];
10119     else if (Languages_ == nil || [Languages_ count] == 0)
10120         // XXX: consider just setting to C and then falling through?
10121         lang = NULL;
10122     else {
10123         lang = [[Languages_ objectAtIndex:0] UTF8String];
10124         setenv("LANG", lang, true);
10125         std::setlocale(LC_ALL, lang);
10126     }
10127
10128     NSLog(@"Setting Language: %s", lang);
10129     /* }}} */
10130
10131     apr_app_initialize(&argc, const_cast<const char * const **>(&argv), NULL);
10132
10133     /* Parse Arguments {{{ */
10134     bool substrate(false);
10135
10136     if (argc != 0) {
10137         char **args(argv);
10138         int arge(1);
10139
10140         for (int argi(1); argi != argc; ++argi)
10141             if (strcmp(argv[argi], "--") == 0) {
10142                 arge = argi;
10143                 argv[argi] = argv[0];
10144                 argv += argi;
10145                 argc -= argi;
10146                 break;
10147             }
10148
10149         for (int argi(1); argi != arge; ++argi)
10150             if (strcmp(args[argi], "--substrate") == 0)
10151                 substrate = true;
10152             else
10153                 fprintf(stderr, "unknown argument: %s\n", args[argi]);
10154     }
10155     /* }}} */
10156
10157     App_ = [[NSBundle mainBundle] bundlePath];
10158     Advanced_ = YES;
10159
10160     setuid(0);
10161     setgid(0);
10162
10163     /*Method alloc = class_getClassMethod([NSObject class], @selector(alloc));
10164     alloc_ = alloc->method_imp;
10165     alloc->method_imp = (IMP) &Alloc_;*/
10166
10167     /*Method dealloc = class_getClassMethod([NSObject class], @selector(dealloc));
10168     dealloc_ = dealloc->method_imp;
10169     dealloc->method_imp = (IMP) &Dealloc_;*/
10170
10171     /* System Information {{{ */
10172     size_t size;
10173
10174     int maxproc;
10175     size = sizeof(maxproc);
10176     if (sysctlbyname("kern.maxproc", &maxproc, &size, NULL, 0) == -1)
10177         perror("sysctlbyname(\"kern.maxproc\", ?)");
10178     else if (maxproc < 64) {
10179         maxproc = 64;
10180         if (sysctlbyname("kern.maxproc", NULL, NULL, &maxproc, sizeof(maxproc)) == -1)
10181             perror("sysctlbyname(\"kern.maxproc\", #)");
10182     }
10183
10184     sysctlbyname("kern.osversion", NULL, &size, NULL, 0);
10185     char *osversion = new char[size];
10186     if (sysctlbyname("kern.osversion", osversion, &size, NULL, 0) == -1)
10187         perror("sysctlbyname(\"kern.osversion\", ?)");
10188     else
10189         System_ = [NSString stringWithUTF8String:osversion];
10190
10191     sysctlbyname("hw.machine", NULL, &size, NULL, 0);
10192     char *machine = new char[size];
10193     if (sysctlbyname("hw.machine", machine, &size, NULL, 0) == -1)
10194         perror("sysctlbyname(\"hw.machine\", ?)");
10195     else
10196         Machine_ = machine;
10197
10198     if (CFMutableDictionaryRef dict = IOServiceMatching("IOPlatformExpertDevice")) {
10199         if (io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault, dict)) {
10200             if (CFTypeRef serial = IORegistryEntryCreateCFProperty(service, CFSTR(kIOPlatformSerialNumberKey), kCFAllocatorDefault, 0)) {
10201                 SerialNumber_ = [NSString stringWithString:(NSString *)serial];
10202                 CFRelease(serial);
10203             }
10204
10205             if (CFTypeRef ecid = IORegistryEntrySearchCFProperty(service, kIODeviceTreePlane, CFSTR("unique-chip-id"), kCFAllocatorDefault, kIORegistryIterateRecursively)) {
10206                 NSData *data((NSData *) ecid);
10207                 size_t length([data length]);
10208                 uint8_t bytes[length];
10209                 [data getBytes:bytes];
10210                 char string[length * 2 + 1];
10211                 for (size_t i(0); i != length; ++i)
10212                     sprintf(string + i * 2, "%.2X", bytes[length - i - 1]);
10213                 ChipID_ = [NSString stringWithUTF8String:string];
10214                 CFRelease(ecid);
10215             }
10216
10217             IOObjectRelease(service);
10218         }
10219     }
10220
10221     UniqueID_ = [[UIDevice currentDevice] uniqueIdentifier];
10222
10223     CFStringRef (*$CTSIMSupportCopyMobileSubscriberCountryCode)(CFAllocatorRef);
10224     $CTSIMSupportCopyMobileSubscriberCountryCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
10225     CFStringRef mcc($CTSIMSupportCopyMobileSubscriberCountryCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberCountryCode)(kCFAllocatorDefault));
10226
10227     CFStringRef (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(CFAllocatorRef);
10228     $CTSIMSupportCopyMobileSubscriberNetworkCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
10229     CFStringRef mnc($CTSIMSupportCopyMobileSubscriberNetworkCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(kCFAllocatorDefault));
10230
10231     if (mcc != NULL && mnc != NULL)
10232         PLMN_ = [NSString stringWithFormat:@"%@%@", mcc, mnc];
10233
10234     if (mnc != NULL)
10235         CFRelease(mnc);
10236     if (mcc != NULL)
10237         CFRelease(mcc);
10238
10239     if (NSDictionary *system = [NSDictionary dictionaryWithContentsOfFile:@"/System/Library/CoreServices/SystemVersion.plist"])
10240         Build_ = [system objectForKey:@"ProductBuildVersion"];
10241     if (NSDictionary *info = [NSDictionary dictionaryWithContentsOfFile:@"/Applications/MobileSafari.app/Info.plist"]) {
10242         Product_ = [info objectForKey:@"SafariProductVersion"];
10243         Safari_ = [info objectForKey:@"CFBundleVersion"];
10244     }
10245     /* }}} */
10246     /* Load Database {{{ */
10247     _trace();
10248     Metadata_ = [[[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"] autorelease];
10249     _trace();
10250     SectionMap_ = [[[NSDictionary alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Sections" ofType:@"plist"]] autorelease];
10251
10252     if (Metadata_ == NULL)
10253         Metadata_ = [NSMutableDictionary dictionaryWithCapacity:2];
10254     else {
10255         Settings_ = [Metadata_ objectForKey:@"Settings"];
10256
10257         Packages_ = [Metadata_ objectForKey:@"Packages"];
10258         Sections_ = [Metadata_ objectForKey:@"Sections"];
10259         Sources_ = [Metadata_ objectForKey:@"Sources"];
10260
10261         Token_ = [Metadata_ objectForKey:@"Token"];
10262     }
10263
10264     if (Settings_ != nil)
10265         Role_ = [Settings_ objectForKey:@"Role"];
10266
10267     if (Sections_ == nil) {
10268         Sections_ = [[[NSMutableDictionary alloc] initWithCapacity:32] autorelease];
10269         [Metadata_ setObject:Sections_ forKey:@"Sections"];
10270     }
10271
10272     if (Sources_ == nil) {
10273         Sources_ = [[[NSMutableDictionary alloc] initWithCapacity:0] autorelease];
10274         [Metadata_ setObject:Sources_ forKey:@"Sources"];
10275     }
10276     /* }}} */
10277
10278     _trace();
10279     MetaFile_.Open("/var/lib/cydia/metadata.cb0");
10280     _trace();
10281
10282     if (Packages_ != nil) {
10283         bool fail(false);
10284         CFDictionaryApplyFunction((CFDictionaryRef) Packages_, &PackageImport, &fail);
10285         _trace();
10286
10287         if (!fail) {
10288             [Metadata_ removeObjectForKey:@"Packages"];
10289             Packages_ = nil;
10290             Changed_ = true;
10291         }
10292     }
10293
10294     Finishes_ = [NSArray arrayWithObjects:@"return", @"reopen", @"restart", @"reload", @"reboot", nil];
10295
10296 #define MobileSubstrate_(name) \
10297     if (substrate && access("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", F_OK) == 0) { \
10298         void *handle(dlopen("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", RTLD_LAZY | RTLD_GLOBAL)); \
10299         if (handle == NULL) \
10300             NSLog(@"%s", dlerror()); \
10301     }
10302
10303     MobileSubstrate_(Activator)
10304     MobileSubstrate_(libstatusbar)
10305     MobileSubstrate_(SimulatedKeyEvents)
10306     MobileSubstrate_(WinterBoard)
10307
10308     /*if (substrate && access("/Library/MobileSubstrate/MobileSubstrate.dylib", F_OK) == 0)
10309         dlopen("/Library/MobileSubstrate/MobileSubstrate.dylib", RTLD_LAZY | RTLD_GLOBAL);*/
10310
10311     int version([[NSString stringWithContentsOfFile:@"/var/lib/cydia/firmware.ver"] intValue]);
10312
10313     if (access("/tmp/.cydia.fw", F_OK) == 0) {
10314         unlink("/tmp/.cydia.fw");
10315         goto firmware;
10316     } else if (access("/User", F_OK) != 0 || version < 4) {
10317       firmware:
10318         _trace();
10319         system("/usr/libexec/cydia/firmware.sh");
10320         _trace();
10321     }
10322
10323     _assert([[NSFileManager defaultManager]
10324         createDirectoryAtPath:@"/var/cache/apt/archives/partial"
10325         withIntermediateDirectories:YES
10326         attributes:nil
10327         error:NULL
10328     ]);
10329
10330     if (access("/tmp/cydia.chk", F_OK) == 0) {
10331         if (unlink("/var/cache/apt/pkgcache.bin") == -1)
10332             _assert(errno == ENOENT);
10333         if (unlink("/var/cache/apt/srcpkgcache.bin") == -1)
10334             _assert(errno == ENOENT);
10335     }
10336
10337     /* APT Initialization {{{ */
10338     _assert(pkgInitConfig(*_config));
10339     _assert(pkgInitSystem(*_config, _system));
10340
10341     if (lang != NULL)
10342         _config->Set("APT::Acquire::Translation", lang);
10343
10344     // XXX: this timeout might be important :(
10345     //_config->Set("Acquire::http::Timeout", 15);
10346
10347     _config->Set("Acquire::http::MaxParallel", 3);
10348     /* }}} */
10349     /* Color Choices {{{ */
10350     space_ = CGColorSpaceCreateDeviceRGB();
10351
10352     Blue_.Set(space_, 0.2, 0.2, 1.0, 1.0);
10353     Blueish_.Set(space_, 0x19/255.f, 0x32/255.f, 0x50/255.f, 1.0);
10354     Black_.Set(space_, 0.0, 0.0, 0.0, 1.0);
10355     Off_.Set(space_, 0.9, 0.9, 0.9, 1.0);
10356     White_.Set(space_, 1.0, 1.0, 1.0, 1.0);
10357     Gray_.Set(space_, 0.4, 0.4, 0.4, 1.0);
10358     Green_.Set(space_, 0.0, 0.5, 0.0, 1.0);
10359     Purple_.Set(space_, 0.0, 0.0, 0.7, 1.0);
10360     Purplish_.Set(space_, 0.4, 0.4, 0.8, 1.0);
10361
10362     InstallingColor_ = [UIColor colorWithRed:0.88f green:1.00f blue:0.88f alpha:1.00f];
10363     RemovingColor_ = [UIColor colorWithRed:1.00f green:0.88f blue:0.88f alpha:1.00f];
10364     /* }}}*/
10365     /* UIKit Configuration {{{ */
10366     void (*$GSFontSetUseLegacyFontMetrics)(BOOL)(reinterpret_cast<void (*)(BOOL)>(dlsym(RTLD_DEFAULT, "GSFontSetUseLegacyFontMetrics")));
10367     if ($GSFontSetUseLegacyFontMetrics != NULL)
10368         $GSFontSetUseLegacyFontMetrics(YES);
10369
10370     // XXX: I have a feeling this was important
10371     //UIKeyboardDisableAutomaticAppearance();
10372     /* }}} */
10373
10374     Colon_ = UCLocalize("COLON_DELIMITED");
10375     Elision_ = UCLocalize("ELISION");
10376     Error_ = UCLocalize("ERROR");
10377     Warning_ = UCLocalize("WARNING");
10378
10379     _trace();
10380     int value(UIApplicationMain(argc, argv, @"Cydia", @"Cydia"));
10381
10382     CGColorSpaceRelease(space_);
10383     CFRelease(Locale_);
10384
10385     return value;
10386 }