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 // Hash Functions/Structures {{{
 210 extern "C" uint32_t hashlittle(const void *key, size_t length, uint32_t initval = 0);
 211
 212 union SplitHash {
 213     uint32_t u32;
 214     uint16_t u16[2];
 215 };
 216 // }}}
 217
 218 static const NSUInteger UIViewAutoresizingFlexibleBoth(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
 219
 220 static _finline NSString *CydiaURL(NSString *path) {
 221     char page[25];
 222     page[0] = 'h'; page[1] = 't'; page[2] = 't'; page[3] = 'p'; page[4] = ':';
 223     page[5] = '/'; page[6] = '/'; page[7] = 'c'; page[8] = 'y'; page[9] = 'd';
 224     page[10] = 'i'; page[11] = 'a'; page[12] = '.'; page[13] = 's'; page[14] = 'a';
 225     page[15] = 'u'; page[16] = 'r'; page[17] = 'i'; page[18] = 'k'; page[19] = '.';
 226     page[20] = 'c'; page[21] = 'o'; page[22] = 'm'; page[23] = '/'; page[24] = '\0';
 227     return [[NSString stringWithUTF8String:page] stringByAppendingString:path];
 228 }
 229
 230 static _finline void UpdateExternalStatus(uint64_t newStatus) {
 231     int notify_token;
 232     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
 233         notify_set_state(notify_token, newStatus);
 234         notify_cancel(notify_token);
 235     }
 236     notify_post("com.saurik.Cydia.status");
 237 }
 238
 239 /* [NSObject yieldToSelector:(withObject:)] {{{*/
 240 @interface NSObject (Cydia)
 241 - (id) yieldToSelector:(SEL)selector withObject:(id)object;
 242 - (id) yieldToSelector:(SEL)selector;
 243 @end
 244
 245 @implementation NSObject (Cydia)
 246
 247 - (void) doNothing {
 248 }
 249
 250 - (void) _yieldToContext:(NSMutableArray *)context { _pooled
 251     SEL selector(reinterpret_cast<SEL>([[context objectAtIndex:0] pointerValue]));
 252     id object([[context objectAtIndex:1] nonretainedObjectValue]);
 253     volatile bool &stopped(*reinterpret_cast<bool *>([[context objectAtIndex:2] pointerValue]));
 254
 255     /* XXX: deal with exceptions */
 256     id value([self performSelector:selector withObject:object]);
 257
 258     NSMethodSignature *signature([self methodSignatureForSelector:selector]);
 259     [context removeAllObjects];
 260     if ([signature methodReturnLength] != 0 && value != nil)
 261         [context addObject:value];
 262
 263     stopped = true;
 264
 265     [self
 266         performSelectorOnMainThread:@selector(doNothing)
 267         withObject:nil
 268         waitUntilDone:NO
 269     ];
 270 }
 271
 272 - (id) yieldToSelector:(SEL)selector withObject:(id)object {
 273     volatile bool stopped(false);
 274
 275     NSMutableArray *context([NSMutableArray arrayWithObjects:
 276         [NSValue valueWithPointer:selector],
 277         [NSValue valueWithNonretainedObject:object],
 278         [NSValue valueWithPointer:const_cast<bool *>(&stopped)],
 279     nil]);
 280
 281     NSThread *thread([[[NSThread alloc]
 282         initWithTarget:self
 283         selector:@selector(_yieldToContext:)
 284         object:context
 285     ] autorelease]);
 286
 287     [thread start];
 288
 289     NSRunLoop *loop([NSRunLoop currentRunLoop]);
 290     NSDate *future([NSDate distantFuture]);
 291     NSString *mode([loop currentMode] ?: NSDefaultRunLoopMode);
 292
 293     while (!stopped && [loop runMode:mode beforeDate:future]);
 294
 295     return [context count] == 0 ? nil : [context objectAtIndex:0];
 296 }
 297
 298 - (id) yieldToSelector:(SEL)selector {
 299     return [self yieldToSelector:selector withObject:nil];
 300 }
 301
 302 @end
 303 /* }}} */
 304
 305 /* Cydia Alert View {{{ */
 306 @interface CYAlertView : UIAlertView {
 307     unsigned button_;
 308 }
 309
 310 - (int) yieldToPopupAlertAnimated:(BOOL)animated;
 311
 312 @end
 313
 314 @implementation CYAlertView
 315
 316 - (id) initWithTitle:(NSString *)title buttons:(NSArray *)buttons defaultButtonIndex:(int)index {
 317     if ((self = [super init]) != nil) {
 318         [self setTitle:title];
 319         [self setDelegate:self];
 320         for (NSString *button in buttons) [self addButtonWithTitle:button];
 321         [self setCancelButtonIndex:index];
 322     } return self;
 323 }
 324
 325 - (void) _updateFrameForDisplay {
 326     [super _updateFrameForDisplay];
 327     if ([self cancelButtonIndex] == -1) {
 328         NSArray *buttons = [self buttons];
 329         if ([buttons count]) {
 330             UIImage *background = [[buttons objectAtIndex:0] backgroundForState:0];
 331             for (UIThreePartButton *button in buttons)
 332                 [button setBackground:background forState:0];
 333         }
 334     }
 335 }
 336
 337 - (void) alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
 338     button_ = buttonIndex + 1;
 339 }
 340
 341 - (void) dismiss {
 342     [self dismissWithClickedButtonIndex:-1 animated:YES];
 343 }
 344
 345 - (int) yieldToPopupAlertAnimated:(BOOL)animated {
 346     [self setRunsModal:YES];
 347     button_ = 0;
 348     [self show];
 349     return button_;
 350 }
 351
 352 @end
 353 /* }}} */
 354
 355 /* NSForcedOrderingSearch doesn't work on the iPhone */
 356 static const NSStringCompareOptions MatchCompareOptions_ = NSLiteralSearch | NSCaseInsensitiveSearch;
 357 static const NSStringCompareOptions LaxCompareOptions_ = NSNumericSearch | NSDiacriticInsensitiveSearch | NSWidthInsensitiveSearch | NSCaseInsensitiveSearch;
 358 static const CFStringCompareFlags LaxCompareFlags_ = kCFCompareCaseInsensitive | kCFCompareNonliteral | kCFCompareLocalized | kCFCompareNumerically | kCFCompareWidthInsensitive | kCFCompareForcedOrdering;
 359
 360 #define lprintf(args...) fprintf(stderr, args)
 361
 362 #define ForRelease 1
 363 #define TraceLogging (1 && !ForRelease)
 364 #define HistogramInsertionSort (!ForRelease ? 0 : 0)
 365 #define ProfileTimes (0 && !ForRelease)
 366 #define ForSaurik (0 && !ForRelease)
 367 #define LogBrowser (0 && !ForRelease)
 368 #define TrackResize (0 && !ForRelease)
 369 #define ManualRefresh (1 && !ForRelease)
 370 #define ShowInternals (0 && !ForRelease)
 371 #define AlwaysReload (0 && !ForRelease)
 372 #define TryIndexedCollation (0 && !ForRelease)
 373
 374 #if !TraceLogging
 375 #undef _trace
 376 #define _trace(args...)
 377 #endif
 378
 379 #if !ProfileTimes
 380 #undef _profile
 381 #define _profile(name) {
 382 #undef _end
 383 #define _end }
 384 #define PrintTimes() do {} while (false)
 385 #endif
 386
 387 /* Radix Sort {{{ */
 388 typedef uint32_t (*SKRadixFunction)(id, void *);
 389
 390 @interface NSMutableArray (Radix)
 391 - (void) radixSortUsingFunction:(SKRadixFunction)function withContext:(void *)argument;
 392 @end
 393
 394 struct RadixItem_ {
 395     size_t index;
 396     uint32_t key;
 397 };
 398
 399 @implementation NSMutableArray (Radix)
 400
 401 - (void) radixSortUsingFunction:(SKRadixFunction)function withContext:(void *)argument {
 402     size_t count([self count]);
 403     struct RadixItem_ *swap(new RadixItem_[count * 2]);
 404
 405     for (size_t i(0); i != count; ++i) {
 406         RadixItem_ &item(swap[i]);
 407         item.index = i;
 408
 409         id object([self objectAtIndex:i]);
 410         item.key = function(object, argument);
 411     }
 412
 413     struct RadixItem_ *lhs(swap), *rhs(swap + count);
 414
 415     static const size_t width = 32;
 416     static const size_t bits = 11;
 417     static const size_t slots = 1 << bits;
 418     static const size_t passes = (width + (bits - 1)) / bits;
 419
 420     size_t *hist(new size_t[slots]);
 421
 422     for (size_t pass(0); pass != passes; ++pass) {
 423         memset(hist, 0, sizeof(size_t) * slots);
 424
 425         for (size_t i(0); i != count; ++i) {
 426             uint32_t key(lhs[i].key);
 427             key >>= pass * bits;
 428             key &= _not(uint32_t) >> width - bits;
 429             ++hist[key];
 430         }
 431
 432         size_t offset(0);
 433         for (size_t i(0); i != slots; ++i) {
 434             size_t local(offset);
 435             offset += hist[i];
 436             hist[i] = local;
 437         }
 438
 439         for (size_t i(0); i != count; ++i) {
 440             uint32_t key(lhs[i].key);
 441             key >>= pass * bits;
 442             key &= _not(uint32_t) >> width - bits;
 443             rhs[hist[key]++] = lhs[i];
 444         }
 445
 446         RadixItem_ *tmp(lhs);
 447         lhs = rhs;
 448         rhs = tmp;
 449     }
 450
 451     delete [] hist;
 452
 453     const void **values(new const void *[count]);
 454     for (size_t i(0); i != count; ++i)
 455         values[i] = [self objectAtIndex:lhs[i].index];
 456     CFArrayReplaceValues((CFMutableArrayRef) self, CFRangeMake(0, count), values, count);
 457     delete [] values;
 458
 459     delete [] swap;
 460 }
 461
 462 @end
 463 /* }}} */
 464 /* Insertion Sort {{{ */
 465
 466 CFIndex SKBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 467     const char *ptr = (const char *)list;
 468     while (0 < count) {
 469         CFIndex half = count / 2;
 470         const char *probe = ptr + elementSize * half;
 471         CFComparisonResult cr = comparator(element, probe, context);
 472     if (0 == cr) return (probe - (const char *)list) / elementSize;
 473         ptr = (cr < 0) ? ptr : probe + elementSize;
 474         count = (cr < 0) ? half : (half + (count & 1) - 1);
 475     }
 476     return (ptr - (const char *)list) / elementSize;
 477 }
 478
 479 CFIndex CFBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 480     const char *ptr = (const char *)list;
 481     while (0 < count) {
 482         CFIndex half = count / 2;
 483         const char *probe = ptr + elementSize * half;
 484         CFComparisonResult cr = comparator(element, probe, context);
 485     if (0 == cr) return (probe - (const char *)list) / elementSize;
 486         ptr = (cr < 0) ? ptr : probe + elementSize;
 487         count = (cr < 0) ? half : (half + (count & 1) - 1);
 488     }
 489     return (ptr - (const char *)list) / elementSize;
 490 }
 491
 492 void CFArrayInsertionSortValues(CFMutableArrayRef array, CFRange range, CFComparatorFunction comparator, void *context) {
 493     if (range.length == 0)
 494         return;
 495     const void **values(new const void *[range.length]);
 496     CFArrayGetValues(array, range, values);
 497
 498 #if HistogramInsertionSort > 0
 499     uint32_t total(0), *offsets(new uint32_t[range.length]);
 500 #endif
 501
 502     for (CFIndex index(1); index != range.length; ++index) {
 503         const void *value(values[index]);
 504         //CFIndex correct(SKBSearch_(&value, sizeof(const void *), values, index, comparator, context));
 505         CFIndex correct(index);
 506         while (comparator(value, values[correct - 1], context) == kCFCompareLessThan) {
 507 #if HistogramInsertionSort > 1
 508             NSLog(@"%@ < %@", value, values[correct - 1]);
 509 #endif
 510             if (--correct == 0)
 511                 break;
 512         }
 513         if (correct != index) {
 514             size_t offset(index - correct);
 515 #if HistogramInsertionSort
 516             total += offset;
 517             ++offsets[offset];
 518             if (offset > 10)
 519                 NSLog(@"Heavy Insertion Displacement: %u = %@", offset, value);
 520 #endif
 521             memmove(values + correct + 1, values + correct, sizeof(const void *) * offset);
 522             values[correct] = value;
 523         }
 524     }
 525
 526     CFArrayReplaceValues(array, range, values, range.length);
 527     delete [] values;
 528
 529 #if HistogramInsertionSort > 0
 530     for (CFIndex index(0); index != range.length; ++index)
 531         if (offsets[index] != 0)
 532             NSLog(@"Insertion Displacement [%u]: %u", index, offsets[index]);
 533     NSLog(@"Average Insertion Displacement: %f", double(total) / range.length);
 534     delete [] offsets;
 535 #endif
 536 }
 537
 538 /* }}} */
 539
 540 /* Apple Bug Fixes {{{ */
 541 @implementation UIWebDocumentView (Cydia)
 542
 543 - (void) _setScrollerOffset:(CGPoint)offset {
 544     UIScroller *scroller([self _scroller]);
 545
 546     CGSize size([scroller contentSize]);
 547     CGSize bounds([scroller bounds].size);
 548
 549     CGPoint max;
 550     max.x = size.width - bounds.width;
 551     max.y = size.height - bounds.height;
 552
 553     // wtf Apple?!
 554     if (max.x < 0)
 555         max.x = 0;
 556     if (max.y < 0)
 557         max.y = 0;
 558
 559     offset.x = offset.x < 0 ? 0 : offset.x > max.x ? max.x : offset.x;
 560     offset.y = offset.y < 0 ? 0 : offset.y > max.y ? max.y : offset.y;
 561
 562     [scroller setOffset:offset];
 563 }
 564
 565 @end
 566 /* }}} */
 567
 568 @interface NSInvocation (Cydia)
 569 + (NSInvocation *) invocationWithSelector:(SEL)selector forTarget:(id)target;
 570 @end
 571
 572 @implementation NSInvocation (Cydia)
 573
 574 + (NSInvocation *) invocationWithSelector:(SEL)selector forTarget:(id)target {
 575     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[target methodSignatureForSelector:selector]]);
 576     [invocation setTarget:target];
 577     [invocation setSelector:selector];
 578     return invocation;
 579 }
 580
 581 @end
 582
 583 @implementation WebScriptObject (NSFastEnumeration)
 584
 585 - (NSUInteger) countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)objects count:(NSUInteger)count {
 586     size_t length([self count] - state->state);
 587     if (length <= 0)
 588         return 0;
 589     else if (length > count)
 590         length = count;
 591     for (size_t i(0); i != length; ++i)
 592         objects[i] = [self objectAtIndex:state->state++];
 593     state->itemsPtr = objects;
 594     state->mutationsPtr = (unsigned long *) self;
 595     return length;
 596 }
 597
 598 @end
 599
 600 NSUInteger DOMNodeList$countByEnumeratingWithState$objects$count$(DOMNodeList *self, SEL sel, NSFastEnumerationState *state, id *objects, NSUInteger count) {
 601     size_t length([self length] - state->state);
 602     if (length <= 0)
 603         return 0;
 604     else if (length > count)
 605         length = count;
 606     for (size_t i(0); i != length; ++i)
 607         objects[i] = [self item:state->state++];
 608     state->itemsPtr = objects;
 609     state->mutationsPtr = (unsigned long *) self;
 610     return length;
 611 }
 612
 613 /* Cydia NSString Additions {{{ */
 614 @interface NSString (Cydia)
 615 + (NSString *) stringWithUTF8BytesNoCopy:(const char *)bytes length:(int)length;
 616 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length withZone:(NSZone *)zone inPool:(apr_pool_t *)pool;
 617 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length;
 618 - (NSComparisonResult) compareByPath:(NSString *)other;
 619 - (NSString *) stringByCachingURLWithCurrentCDN;
 620 - (NSString *) stringByAddingPercentEscapesIncludingReserved;
 621 @end
 622
 623 @implementation NSString (Cydia)
 624
 625 + (NSString *) stringWithUTF8BytesNoCopy:(const char *)bytes length:(int)length {
 626     return [[[NSString alloc] initWithBytesNoCopy:const_cast<char *>(bytes) length:length encoding:NSUTF8StringEncoding freeWhenDone:NO] autorelease];
 627 }
 628
 629 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length withZone:(NSZone *)zone inPool:(apr_pool_t *)pool {
 630     char *data(reinterpret_cast<char *>(apr_palloc(pool, length)));
 631     memcpy(data, bytes, length);
 632     return [[[NSString allocWithZone:zone] initWithBytesNoCopy:data length:length encoding:NSUTF8StringEncoding freeWhenDone:NO] autorelease];
 633 }
 634
 635 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length {
 636     return [[[NSString alloc] initWithBytes:bytes length:length encoding:NSUTF8StringEncoding] autorelease];
 637 }
 638
 639 - (NSComparisonResult) compareByPath:(NSString *)other {
 640     NSString *prefix = [self commonPrefixWithString:other options:0];
 641     size_t length = [prefix length];
 642
 643     NSRange lrange = NSMakeRange(length, [self length] - length);
 644     NSRange rrange = NSMakeRange(length, [other length] - length);
 645
 646     lrange = [self rangeOfString:@"/" options:0 range:lrange];
 647     rrange = [other rangeOfString:@"/" options:0 range:rrange];
 648
 649     NSComparisonResult value;
 650
 651     if (lrange.location == NSNotFound && rrange.location == NSNotFound)
 652         value = NSOrderedSame;
 653     else if (lrange.location == NSNotFound)
 654         value = NSOrderedAscending;
 655     else if (rrange.location == NSNotFound)
 656         value = NSOrderedDescending;
 657     else
 658         value = NSOrderedSame;
 659
 660     NSString *lpath = lrange.location == NSNotFound ? [self substringFromIndex:length] :
 661         [self substringWithRange:NSMakeRange(length, lrange.location - length)];
 662     NSString *rpath = rrange.location == NSNotFound ? [other substringFromIndex:length] :
 663         [other substringWithRange:NSMakeRange(length, rrange.location - length)];
 664
 665     NSComparisonResult result = [lpath compare:rpath];
 666     return result == NSOrderedSame ? value : result;
 667 }
 668
 669 - (NSString *) stringByCachingURLWithCurrentCDN {
 670     return [self
 671         stringByReplacingOccurrencesOfString:@"://cydia.saurik.com/"
 672         withString:@"://cache.cydia.saurik.com/"
 673     ];
 674 }
 675
 676 - (NSString *) stringByAddingPercentEscapesIncludingReserved {
 677     return [(id)CFURLCreateStringByAddingPercentEscapes(
 678         kCFAllocatorDefault,
 679         (CFStringRef) self,
 680         NULL,
 681         CFSTR(";/?:@&=+$,"),
 682         kCFStringEncodingUTF8
 683     ) autorelease];
 684 }
 685
 686 @end
 687 /* }}} */
 688
 689 /* C++ NSString Wrapper Cache {{{ */
 690 static _finline CFStringRef CYStringCreate(const char *data, size_t size) {
 691     return size == 0 ? NULL :
 692         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingUTF8, NO, kCFAllocatorNull) ?:
 693         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingISOLatin1, NO, kCFAllocatorNull);
 694 }
 695
 696 static _finline CFStringRef CYStringCreate(const char *data) {
 697     return CYStringCreate(data, strlen(data));
 698 }
 699
 700 class CYString {
 701   private:
 702     char *data_;
 703     size_t size_;
 704     CFStringRef cache_;
 705
 706     _finline void clear_() {
 707         if (cache_ != NULL) {
 708             CFRelease(cache_);
 709             cache_ = NULL;
 710         }
 711     }
 712
 713   public:
 714     _finline bool empty() const {
 715         return size_ == 0;
 716     }
 717
 718     _finline size_t size() const {
 719         return size_;
 720     }
 721
 722     _finline char *data() const {
 723         return data_;
 724     }
 725
 726     _finline void clear() {
 727         size_ = 0;
 728         clear_();
 729     }
 730
 731     _finline CYString() :
 732         data_(0),
 733         size_(0),
 734         cache_(NULL)
 735     {
 736     }
 737
 738     _finline ~CYString() {
 739         clear_();
 740     }
 741
 742     void operator =(const CYString &rhs) {
 743         data_ = rhs.data_;
 744         size_ = rhs.size_;
 745
 746         if (rhs.cache_ == nil)
 747             cache_ = NULL;
 748         else
 749             cache_ = reinterpret_cast<CFStringRef>(CFRetain(rhs.cache_));
 750     }
 751
 752     void copy(apr_pool_t *pool) {
 753         char *temp(reinterpret_cast<char *>(apr_palloc(pool, size_ + 1)));
 754         memcpy(temp, data_, size_);
 755         temp[size_] = '\0';
 756         data_ = temp;
 757     }
 758
 759     void set(apr_pool_t *pool, const char *data, size_t size) {
 760         if (size == 0)
 761             clear();
 762         else {
 763             clear_();
 764
 765             data_ = const_cast<char *>(data);
 766             size_ = size;
 767
 768             if (pool != NULL)
 769                 copy(pool);
 770         }
 771     }
 772
 773     _finline void set(apr_pool_t *pool, const char *data) {
 774         set(pool, data, data == NULL ? 0 : strlen(data));
 775     }
 776
 777     _finline void set(apr_pool_t *pool, const std::string &rhs) {
 778         set(pool, rhs.data(), rhs.size());
 779     }
 780
 781     bool operator ==(const CYString &rhs) const {
 782         return size_ == rhs.size_ && memcmp(data_, rhs.data_, size_) == 0;
 783     }
 784
 785     _finline operator CFStringRef() {
 786         if (cache_ == NULL)
 787             cache_ = CYStringCreate(data_, size_);
 788         return cache_;
 789     }
 790
 791     _finline operator id() {
 792         return (NSString *) static_cast<CFStringRef>(*this);
 793     }
 794
 795     _finline operator const char *() {
 796         return reinterpret_cast<const char *>(data_);
 797     }
 798 };
 799 /* }}} */
 800 /* C++ NSString Algorithm Adapters {{{ */
 801 extern "C" {
 802     CF_EXPORT CFHashCode CFStringHashNSString(CFStringRef str);
 803 }
 804
 805 struct NSStringMapHash :
 806     std::unary_function<NSString *, size_t>
 807 {
 808     _finline size_t operator ()(NSString *value) const {
 809         return CFStringHashNSString((CFStringRef) value);
 810     }
 811 };
 812
 813 struct NSStringMapLess :
 814     std::binary_function<NSString *, NSString *, bool>
 815 {
 816     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 817         return [lhs compare:rhs] == NSOrderedAscending;
 818     }
 819 };
 820
 821 struct NSStringMapEqual :
 822     std::binary_function<NSString *, NSString *, bool>
 823 {
 824     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 825         return CFStringCompare((CFStringRef) lhs, (CFStringRef) rhs, 0) == kCFCompareEqualTo;
 826         //CFEqual((CFTypeRef) lhs, (CFTypeRef) rhs);
 827         //[lhs isEqualToString:rhs];
 828     }
 829 };
 830 /* }}} */
 831
 832 /* Perl-Compatible RegEx {{{ */
 833 class Pcre {
 834   private:
 835     pcre *code_;
 836     pcre_extra *study_;
 837     int capture_;
 838     int *matches_;
 839     const char *data_;
 840
 841   public:
 842     Pcre(const char *regex) :
 843         study_(NULL)
 844     {
 845         const char *error;
 846         int offset;
 847         code_ = pcre_compile(regex, 0, &error, &offset, NULL);
 848
 849         if (code_ == NULL) {
 850             lprintf("%d:%s\n", offset, error);
 851             _assert(false);
 852         }
 853
 854         pcre_fullinfo(code_, study_, PCRE_INFO_CAPTURECOUNT, &capture_);
 855         matches_ = new int[(capture_ + 1) * 3];
 856     }
 857
 858     ~Pcre() {
 859         pcre_free(code_);
 860         delete matches_;
 861     }
 862
 863     NSString *operator [](size_t match) {
 864         return [NSString stringWithUTF8Bytes:(data_ + matches_[match * 2]) length:(matches_[match * 2 + 1] - matches_[match * 2])];
 865     }
 866
 867     bool operator ()(NSString *data) {
 868         // XXX: length is for characters, not for bytes
 869         return operator ()([data UTF8String], [data length]);
 870     }
 871
 872     bool operator ()(const char *data, size_t size) {
 873         data_ = data;
 874         return pcre_exec(code_, study_, data, size, 0, 0, matches_, (capture_ + 1) * 3) >= 0;
 875     }
 876 };
 877 /* }}} */
 878 /* Mime Addresses {{{ */
 879 @interface Address : NSObject {
 880     NSString *name_;
 881     NSString *address_;
 882 }
 883
 884 - (NSString *) name;
 885 - (NSString *) address;
 886
 887 - (void) setAddress:(NSString *)address;
 888
 889 + (Address *) addressWithString:(NSString *)string;
 890 - (Address *) initWithString:(NSString *)string;
 891
 892 @end
 893
 894 @implementation Address
 895
 896 - (void) dealloc {
 897     [name_ release];
 898     if (address_ != nil)
 899         [address_ release];
 900     [super dealloc];
 901 }
 902
 903 - (NSString *) name {
 904     return name_;
 905 }
 906
 907 - (NSString *) address {
 908     return address_;
 909 }
 910
 911 - (void) setAddress:(NSString *)address {
 912     if (address_ != nil)
 913         [address_ autorelease];
 914     if (address == nil)
 915         address_ = nil;
 916     else
 917         address_ = [address retain];
 918 }
 919
 920 + (Address *) addressWithString:(NSString *)string {
 921     return [[[Address alloc] initWithString:string] autorelease];
 922 }
 923
 924 + (NSArray *) _attributeKeys {
 925     return [NSArray arrayWithObjects:
 926         @"address",
 927         @"name",
 928     nil];
 929 }
 930
 931 - (NSArray *) attributeKeys {
 932     return [[self class] _attributeKeys];
 933 }
 934
 935 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
 936     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
 937 }
 938
 939 - (Address *) initWithString:(NSString *)string {
 940     if ((self = [super init]) != nil) {
 941         const char *data = [string UTF8String];
 942         size_t size = [string length];
 943
 944         static Pcre address_r("^\"?(.*)\"? <([^>]*)>$");
 945
 946         if (address_r(data, size)) {
 947             name_ = [address_r[1] retain];
 948             address_ = [address_r[2] retain];
 949         } else {
 950             name_ = [string retain];
 951             address_ = nil;
 952         }
 953     } return self;
 954 }
 955
 956 @end
 957 /* }}} */
 958 /* CoreGraphics Primitives {{{ */
 959 class CYColor {
 960   private:
 961     CGColorRef color_;
 962
 963     static CGColorRef Create_(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 964         CGFloat color[] = {red, green, blue, alpha};
 965         return CGColorCreate(space, color);
 966     }
 967
 968   public:
 969     CYColor() :
 970         color_(NULL)
 971     {
 972     }
 973
 974     CYColor(CGColorSpaceRef space, float red, float green, float blue, float alpha) :
 975         color_(Create_(space, red, green, blue, alpha))
 976     {
 977         Set(space, red, green, blue, alpha);
 978     }
 979
 980     void Clear() {
 981         if (color_ != NULL)
 982             CGColorRelease(color_);
 983     }
 984
 985     ~CYColor() {
 986         Clear();
 987     }
 988
 989     void Set(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 990         Clear();
 991         color_ = Create_(space, red, green, blue, alpha);
 992     }
 993
 994     operator CGColorRef() {
 995         return color_;
 996     }
 997 };
 998 /* }}} */
 999
1000 /* Random Global Variables {{{ */
1001 static const int PulseInterval_ = 50000;
1002
1003 static const NSString *UI_;
1004
1005 static int Finish_;
1006 static bool RestartSubstrate_;
1007 static NSArray *Finishes_;
1008
1009 #define SpringBoard_ "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist"
1010 #define NotifyConfig_ "/etc/notify.conf"
1011
1012 static bool Queuing_;
1013
1014 static CYColor Blue_;
1015 static CYColor Blueish_;
1016 static CYColor Black_;
1017 static CYColor Off_;
1018 static CYColor White_;
1019 static CYColor Gray_;
1020 static CYColor Green_;
1021 static CYColor Purple_;
1022 static CYColor Purplish_;
1023
1024 static UIColor *InstallingColor_;
1025 static UIColor *RemovingColor_;
1026
1027 static NSString *App_;
1028 static NSString *Home_;
1029
1030 static BOOL Advanced_;
1031 static BOOL Ignored_;
1032
1033 static UIFont *Font12_;
1034 static UIFont *Font12Bold_;
1035 static UIFont *Font14_;
1036 static UIFont *Font18Bold_;
1037 static UIFont *Font22Bold_;
1038
1039 static const char *Machine_ = NULL;
1040 static NSString *System_ = nil;
1041 static NSString *SerialNumber_ = nil;
1042 static NSString *ChipID_ = nil;
1043 static NSString *Token_ = nil;
1044 static NSString *UniqueID_ = nil;
1045 static NSString *PLMN_ = nil;
1046 static NSString *Build_ = nil;
1047 static NSString *Product_ = nil;
1048 static NSString *Safari_ = nil;
1049
1050 static CFLocaleRef Locale_;
1051 static NSArray *Languages_;
1052 static CGColorSpaceRef space_;
1053
1054 static NSDictionary *SectionMap_;
1055 static NSMutableDictionary *Metadata_;
1056 static _transient NSMutableDictionary *Settings_;
1057 static _transient NSString *Role_;
1058 static _transient NSMutableDictionary *Packages_;
1059 static _transient NSMutableDictionary *Sections_;
1060 static _transient NSMutableDictionary *Sources_;
1061 static bool Changed_;
1062 static time_t now_;
1063
1064 bool IsWildcat_;
1065 static CGFloat ScreenScale_;
1066 /* }}} */
1067
1068 /* Display Helpers {{{ */
1069 inline float Interpolate(float begin, float end, float fraction) {
1070     return (end - begin) * fraction + begin;
1071 }
1072
1073 static _finline const char *StripVersion_(const char *version) {
1074     const char *colon(strchr(version, ':'));
1075     return colon == NULL ? version : colon + 1;
1076 }
1077
1078 NSString *LocalizeSection(NSString *section) {
1079     static Pcre title_r("^(.*?) \\((.*)\\)$");
1080     if (title_r(section)) {
1081         NSString *parent(title_r[1]);
1082         NSString *child(title_r[2]);
1083
1084         return [NSString stringWithFormat:UCLocalize("PARENTHETICAL"),
1085             LocalizeSection(parent),
1086             LocalizeSection(child)
1087         ];
1088     }
1089
1090     return [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
1091 }
1092
1093 NSString *Simplify(NSString *title) {
1094     const char *data = [title UTF8String];
1095     size_t size = [title length];
1096
1097     static Pcre square_r("^\\[(.*)\\]$");
1098     if (square_r(data, size))
1099         return Simplify(square_r[1]);
1100
1101     static Pcre paren_r("^\\((.*)\\)$");
1102     if (paren_r(data, size))
1103         return Simplify(paren_r[1]);
1104
1105     static Pcre title_r("^(.*?) \\((.*)\\)$");
1106     if (title_r(data, size))
1107         return Simplify(title_r[1]);
1108
1109     return title;
1110 }
1111 /* }}} */
1112
1113 NSString *GetLastUpdate() {
1114     NSDate *update = [Metadata_ objectForKey:@"LastUpdate"];
1115
1116     if (update == nil)
1117         return UCLocalize("NEVER_OR_UNKNOWN");
1118
1119     CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
1120     CFStringRef formatted = CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) update);
1121
1122     CFRelease(formatter);
1123
1124     return [(NSString *) formatted autorelease];
1125 }
1126
1127 bool isSectionVisible(NSString *section) {
1128     NSDictionary *metadata([Sections_ objectForKey:(section ?: @"")]);
1129     NSNumber *hidden(metadata == nil ? nil : [metadata objectForKey:@"Hidden"]);
1130     return hidden == nil || ![hidden boolValue];
1131 }
1132
1133 @class Cydia;
1134
1135 /* Delegate Prototypes {{{ */
1136 @class Package;
1137 @class Source;
1138 @class CydiaProgressEvent;
1139
1140 @protocol DatabaseDelegate
1141 - (void) repairWithSelector:(SEL)selector;
1142 - (void) setConfigurationData:(NSString *)data;
1143 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task;
1144 @end
1145
1146 @class CYPackageController;
1147
1148 @protocol CydiaDelegate
1149 - (void) retainNetworkActivityIndicator;
1150 - (void) releaseNetworkActivityIndicator;
1151 - (void) clearPackage:(Package *)package;
1152 - (void) installPackage:(Package *)package;
1153 - (void) installPackages:(NSArray *)packages;
1154 - (void) removePackage:(Package *)package;
1155 - (void) beginUpdate;
1156 - (BOOL) updating;
1157 - (void) distUpgrade;
1158 - (void) loadData;
1159 - (void) updateData;
1160 - (void) syncData;
1161 - (void) addTrivialSource:(NSString *)href;
1162 - (void) showSettings;
1163 - (UIProgressHUD *) addProgressHUD;
1164 - (void) removeProgressHUD:(UIProgressHUD *)hud;
1165 - (CYViewController *) pageForPackage:(NSString *)name;
1166 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item;
1167 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
1168 @end
1169 /* }}} */
1170
1171 /* ProgressEvent Interface/Delegate {{{ */
1172 @interface CydiaProgressEvent : NSObject {
1173     _H<NSString> message_;
1174     _H<NSString> type_;
1175     _H<NSString> package_;
1176     _H<NSString> uri_;
1177 }
1178
1179 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type;
1180 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package;
1181
1182 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type;
1183
1184 - (NSString *) message;
1185 - (NSString *) type;
1186 - (NSString *) package;
1187 - (NSString *) uri;
1188
1189 - (void) setPackage:(NSString *)package;
1190
1191 - (NSString *) compound:(NSString *)value;
1192 - (NSString *) compoundMessage;
1193 - (NSString *) compoundTitle;
1194
1195 @end
1196
1197 @protocol ProgressDelegate
1198 - (void) addProgressEvent:(CydiaProgressEvent *)event;
1199 - (void) setProgressPercent:(NSNumber *)percent;
1200 - (bool) isProgressCancelled;
1201 - (void) setTitle:(NSString *)title;
1202 @end
1203 /* }}} */
1204 /* Status Delegation {{{ */
1205 class Status :
1206     public pkgAcquireStatus
1207 {
1208   private:
1209     _transient NSObject<ProgressDelegate> *delegate_;
1210     bool cancelled_;
1211
1212   public:
1213     Status() :
1214         delegate_(nil),
1215         cancelled_(false)
1216     {
1217     }
1218
1219     void setDelegate(NSObject<ProgressDelegate> *delegate) {
1220         delegate_ = delegate;
1221     }
1222
1223     NSObject<ProgressDelegate> *getDelegate() const {
1224         return delegate_;
1225     }
1226
1227     virtual bool MediaChange(std::string media, std::string drive) {
1228         return false;
1229     }
1230
1231     virtual void IMSHit(pkgAcquire::ItemDesc &item) {
1232     }
1233
1234     virtual void Fetch(pkgAcquire::ItemDesc &item) {
1235         NSString *name([NSString stringWithUTF8String:item.ShortDesc.c_str()]);
1236         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:UCLocalize("DOWNLOADING_"), name] ofType:@"STATUS"]);
1237         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
1238     }
1239
1240     virtual void Done(pkgAcquire::ItemDesc &item) {
1241     }
1242
1243     virtual void Fail(pkgAcquire::ItemDesc &item) {
1244         if (
1245             item.Owner->Status == pkgAcquire::Item::StatIdle ||
1246             item.Owner->Status == pkgAcquire::Item::StatDone
1247         )
1248             return;
1249
1250         std::string &error(item.Owner->ErrorText);
1251         if (error.empty())
1252             return;
1253
1254         //NSString *description([NSString stringWithUTF8String:item.Description.c_str()]);
1255         //NSArray *fields([description componentsSeparatedByString:@" "]);
1256         //NSString *source([fields count] == 0 ? nil : [fields objectAtIndex:0]);
1257
1258         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:@"ERROR"]);
1259         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
1260     }
1261
1262     virtual bool Pulse(pkgAcquire *Owner) {
1263         bool value = pkgAcquireStatus::Pulse(Owner);
1264
1265         float percent(
1266             double(CurrentBytes + CurrentItems) /
1267             double(TotalBytes + TotalItems)
1268         );
1269
1270         [delegate_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:percent] waitUntilDone:YES];
1271         if (value && ![delegate_ isProgressCancelled])
1272             return true;
1273         else {
1274             cancelled_ = true;
1275             return false;
1276         }
1277     }
1278
1279     _finline bool WasCancelled() const {
1280         return cancelled_;
1281     }
1282
1283     virtual void Start() {
1284         pkgAcquireStatus::Start();
1285     }
1286
1287     virtual void Stop() {
1288         pkgAcquireStatus::Stop();
1289     }
1290 };
1291 /* }}} */
1292 /* Database Interface {{{ */
1293 typedef std::map< unsigned long, _H<Source> > SourceMap;
1294
1295 @interface Database : NSObject {
1296     NSZone *zone_;
1297     apr_pool_t *pool_;
1298
1299     unsigned era_;
1300
1301     pkgCacheFile cache_;
1302     pkgDepCache::Policy *policy_;
1303     pkgRecords *records_;
1304     pkgProblemResolver *resolver_;
1305     pkgAcquire *fetcher_;
1306     FileFd *lock_;
1307     SPtr<pkgPackageManager> manager_;
1308     pkgSourceList *list_;
1309
1310     SourceMap sourceMap_;
1311     NSMutableArray *sourceList_;
1312
1313     CFMutableArrayRef packages_;
1314
1315     _transient NSObject<DatabaseDelegate> *delegate_;
1316     _transient NSObject<ProgressDelegate> *progress_;
1317
1318     Status status_;
1319
1320     int cydiafd_;
1321     int statusfd_;
1322     FILE *input_;
1323
1324     std::map<const char *, _H<NSString> > sections_;
1325 }
1326
1327 + (Database *) sharedInstance;
1328 - (unsigned) era;
1329
1330 - (void) _readCydia:(NSNumber *)fd;
1331 - (void) _readStatus:(NSNumber *)fd;
1332 - (void) _readOutput:(NSNumber *)fd;
1333
1334 - (FILE *) input;
1335
1336 - (Package *) packageWithName:(NSString *)name;
1337
1338 - (pkgCacheFile &) cache;
1339 - (pkgDepCache::Policy *) policy;
1340 - (pkgRecords *) records;
1341 - (pkgProblemResolver *) resolver;
1342 - (pkgAcquire &) fetcher;
1343 - (pkgSourceList &) list;
1344 - (NSArray *) packages;
1345 - (NSArray *) sources;
1346 - (Source *) sourceWithKey:(NSString *)key;
1347 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
1348
1349 - (void) configure;
1350 - (bool) prepare;
1351 - (void) perform;
1352 - (bool) upgrade;
1353 - (void) update;
1354
1355 - (void) updateWithStatus:(Status &)status;
1356
1357 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate;
1358
1359 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate;
1360 - (NSObject<ProgressDelegate> *) progressDelegate;
1361
1362 - (Source *) getSource:(pkgCache::PkgFileIterator)file;
1363
1364 - (NSString *) mappedSectionForPointer:(const char *)pointer;
1365
1366 @end
1367 /* }}} */
1368 /* ProgressEvent Implementation {{{ */
1369 @implementation CydiaProgressEvent
1370
1371 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type {
1372     return [[[CydiaProgressEvent alloc] initWithMessage:message ofType:type] autorelease];
1373 }
1374
1375 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package {
1376     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1377     [event setPackage:package];
1378     return event;
1379 }
1380
1381 + (NSArray *) _attributeKeys {
1382     return [NSArray arrayWithObjects:
1383         @"message",
1384         @"package",
1385         @"type",
1386         @"uri",
1387     nil];
1388 }
1389
1390 - (NSArray *) attributeKeys {
1391     return [[self class] _attributeKeys];
1392 }
1393
1394 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1395     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1396 }
1397
1398 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type {
1399     if ((self = [super init]) != nil) {
1400         message_ = message;
1401         type_ = type;
1402     } return self;
1403 }
1404
1405 - (NSString *) message {
1406     return message_;
1407 }
1408
1409 - (NSString *) type {
1410     return type_;
1411 }
1412
1413 - (NSString *) package {
1414     return package_;
1415 }
1416
1417 - (NSString *) uri {
1418     return uri_;
1419 }
1420
1421 - (void) setPackage:(NSString *)package {
1422     package_ = package;
1423 }
1424
1425 - (NSString *) compound:(NSString *)value {
1426     if (value != nil) {
1427         NSString *mode(nil); {
1428             NSString *type([self type]);
1429             if ([type isEqualToString:@"ERROR"])
1430                 mode = UCLocalize("ERROR");
1431             else if ([type isEqualToString:@"WARNING"])
1432                 mode = UCLocalize("WARNING");
1433         }
1434
1435         if (mode != nil)
1436             value = [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), mode, value];
1437     }
1438
1439     return value;
1440 }
1441
1442 - (NSString *) compoundMessage {
1443     return [self compound:[self message]];
1444 }
1445
1446 - (NSString *) compoundTitle {
1447     NSString *title;
1448
1449     if (package_ == nil)
1450         title = nil;
1451     else if (Package *package = [[Database sharedInstance] packageWithName:package_])
1452         title = [package name];
1453     else
1454         title = package_;
1455
1456     return [self compound:title];
1457 }
1458
1459 @end
1460 /* }}} */
1461
1462 // Cytore Definitions {{{
1463 struct PackageValue :
1464     Cytore::Block
1465 {
1466     Cytore::Offset<PackageValue> next_;
1467
1468     uint32_t index_ : 23;
1469     uint32_t subscribed_ : 1;
1470     uint32_t : 8;
1471
1472     int32_t first_;
1473     int32_t last_;
1474
1475     uint16_t vhash_;
1476     uint16_t nhash_;
1477
1478     char version_[8];
1479     char name_[];
1480 };
1481
1482 struct MetaValue :
1483     Cytore::Block
1484 {
1485     uint32_t active_;
1486     Cytore::Offset<PackageValue> packages_[1 << 16];
1487 };
1488
1489 static Cytore::File<MetaValue> MetaFile_;
1490 // }}}
1491 // Cytore Helper Functions {{{
1492 static PackageValue *PackageFind(const char *name, size_t length, bool *fail = NULL) {
1493     SplitHash nhash = { hashlittle(name, length) };
1494
1495     PackageValue *metadata;
1496
1497     Cytore::Offset<PackageValue> *offset(&MetaFile_->packages_[nhash.u16[0]]);
1498     offset: if (offset->IsNull()) {
1499         *offset = MetaFile_.New<PackageValue>(length + 1);
1500         metadata = &MetaFile_.Get(*offset);
1501
1502         if (metadata == NULL) {
1503             if (fail != NULL)
1504                 *fail = true;
1505
1506             metadata = new PackageValue();
1507             memset(metadata, 0, sizeof(*metadata));
1508         }
1509
1510         memcpy(metadata->name_, name, length + 1);
1511         metadata->nhash_ = nhash.u16[1];
1512     } else {
1513         metadata = &MetaFile_.Get(*offset);
1514
1515         if (metadata->nhash_ != nhash.u16[1] || strncmp(metadata->name_, name, length + 1) != 0) {
1516             offset = &metadata->next_;
1517             goto offset;
1518         }
1519     }
1520
1521     return metadata;
1522 }
1523
1524 static void PackageImport(const void *key, const void *value, void *context) {
1525     bool &fail(*reinterpret_cast<bool *>(context));
1526
1527     char buffer[1024];
1528     if (!CFStringGetCString((CFStringRef) key, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1529         NSLog(@"failed to import package %@", key);
1530         return;
1531     }
1532
1533     PackageValue *metadata(PackageFind(buffer, strlen(buffer), &fail));
1534     NSDictionary *package((NSDictionary *) value);
1535
1536     if (NSNumber *subscribed = [package objectForKey:@"IsSubscribed"])
1537         if ([subscribed boolValue] && !metadata->subscribed_)
1538             metadata->subscribed_ = true;
1539
1540     if (NSDate *date = [package objectForKey:@"FirstSeen"]) {
1541         time_t time([date timeIntervalSince1970]);
1542         if (metadata->first_ > time || metadata->first_ == 0)
1543             metadata->first_ = time;
1544     }
1545
1546     NSDate *date([package objectForKey:@"LastSeen"]);
1547     NSString *version([package objectForKey:@"LastVersion"]);
1548
1549     if (date != nil && version != nil) {
1550         time_t time([date timeIntervalSince1970]);
1551         if (metadata->last_ < time || metadata->last_ == 0)
1552             if (CFStringGetCString((CFStringRef) version, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1553                 size_t length(strlen(buffer));
1554                 uint16_t vhash(hashlittle(buffer, length));
1555
1556                 size_t capped(std::min<size_t>(8, length));
1557                 char *latest(buffer + length - capped);
1558
1559                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
1560                 metadata->vhash_ = vhash;
1561
1562                 metadata->last_ = time;
1563             }
1564     }
1565 }
1566 // }}}
1567
1568 /* Source Class {{{ */
1569 @interface Source : NSObject {
1570     CYString depiction_;
1571     CYString description_;
1572     CYString label_;
1573     CYString origin_;
1574     CYString support_;
1575
1576     CYString uri_;
1577     CYString distribution_;
1578     CYString type_;
1579     CYString version_;
1580
1581     NSString *host_;
1582     NSString *authority_;
1583
1584     CYString defaultIcon_;
1585
1586     NSDictionary *record_;
1587     BOOL trusted_;
1588 }
1589
1590 - (Source *) initWithMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool;
1591
1592 - (NSComparisonResult) compareByNameAndType:(Source *)source;
1593
1594 - (NSString *) depictionForPackage:(NSString *)package;
1595 - (NSString *) supportForPackage:(NSString *)package;
1596
1597 - (NSDictionary *) record;
1598 - (BOOL) trusted;
1599
1600 - (NSString *) uri;
1601 - (NSString *) distribution;
1602 - (NSString *) type;
1603 - (NSString *) key;
1604 - (NSString *) host;
1605
1606 - (NSString *) name;
1607 - (NSString *) description;
1608 - (NSString *) label;
1609 - (NSString *) origin;
1610 - (NSString *) version;
1611
1612 - (NSString *) defaultIcon;
1613
1614 @end
1615
1616 @implementation Source
1617
1618 - (void) _clear {
1619     uri_.clear();
1620     distribution_.clear();
1621     type_.clear();
1622
1623     description_.clear();
1624     label_.clear();
1625     origin_.clear();
1626     depiction_.clear();
1627     support_.clear();
1628     version_.clear();
1629     defaultIcon_.clear();
1630
1631     if (record_ != nil) {
1632         [record_ release];
1633         record_ = nil;
1634     }
1635
1636     if (host_ != nil) {
1637         [host_ release];
1638         host_ = nil;
1639     }
1640
1641     if (authority_ != nil) {
1642         [authority_ release];
1643         authority_ = nil;
1644     }
1645 }
1646
1647 - (void) dealloc {
1648     // XXX: this is a very inefficient way to call these deconstructors
1649     [self _clear];
1650     [super dealloc];
1651 }
1652
1653 + (NSArray *) _attributeKeys {
1654     return [NSArray arrayWithObjects:
1655         @"description",
1656         @"distribution",
1657         @"host",
1658         @"key",
1659         @"label",
1660         @"name",
1661         @"origin",
1662         @"trusted",
1663         @"type",
1664         @"uri",
1665         @"version",
1666     nil];
1667 }
1668
1669 - (NSArray *) attributeKeys {
1670     return [[self class] _attributeKeys];
1671 }
1672
1673 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1674     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1675 }
1676
1677 - (void) setMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool {
1678     [self _clear];
1679
1680     trusted_ = index->IsTrusted();
1681
1682     uri_.set(pool, index->GetURI());
1683     distribution_.set(pool, index->GetDist());
1684     type_.set(pool, index->GetType());
1685
1686     debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index));
1687     if (dindex != NULL) {
1688         FileFd fd;
1689         if (!fd.Open(dindex->MetaIndexFile("Release"), FileFd::ReadOnly))
1690             _error->Discard();
1691         else {
1692             pkgTagFile tags(&fd);
1693
1694             pkgTagSection section;
1695             tags.Step(section);
1696
1697             struct {
1698                 const char *name_;
1699                 CYString *value_;
1700             } names[] = {
1701                 {"default-icon", &defaultIcon_},
1702                 {"depiction", &depiction_},
1703                 {"description", &description_},
1704                 {"label", &label_},
1705                 {"origin", &origin_},
1706                 {"support", &support_},
1707                 {"version", &version_},
1708             };
1709
1710             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
1711                 const char *start, *end;
1712
1713                 if (section.Find(names[i].name_, start, end)) {
1714                     CYString &value(*names[i].value_);
1715                     value.set(pool, start, end - start);
1716                 }
1717             }
1718         }
1719     }
1720
1721     record_ = [Sources_ objectForKey:[self key]];
1722     if (record_ != nil)
1723         record_ = [record_ retain];
1724
1725     NSURL *url([NSURL URLWithString:uri_]);
1726
1727     host_ = [url host];
1728     if (host_ != nil)
1729         host_ = [[host_ lowercaseString] retain];
1730
1731     if (host_ != nil)
1732         authority_ = host_;
1733     else
1734         authority_ = [url path];
1735
1736     if (authority_ != nil)
1737         authority_ = [authority_ retain];
1738 }
1739
1740 - (Source *) initWithMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool {
1741     if ((self = [super init]) != nil) {
1742         [self setMetaIndex:index inPool:pool];
1743     } return self;
1744 }
1745
1746 - (NSComparisonResult) compareByNameAndType:(Source *)source {
1747     NSDictionary *lhr = [self record];
1748     NSDictionary *rhr = [source record];
1749
1750     if (lhr != rhr)
1751         return lhr == nil ? NSOrderedDescending : NSOrderedAscending;
1752
1753     NSString *lhs = [self name];
1754     NSString *rhs = [source name];
1755
1756     if ([lhs length] != 0 && [rhs length] != 0) {
1757         unichar lhc = [lhs characterAtIndex:0];
1758         unichar rhc = [rhs characterAtIndex:0];
1759
1760         if (isalpha(lhc) && !isalpha(rhc))
1761             return NSOrderedAscending;
1762         else if (!isalpha(lhc) && isalpha(rhc))
1763             return NSOrderedDescending;
1764     }
1765
1766     return [lhs compare:rhs options:LaxCompareOptions_];
1767 }
1768
1769 - (NSString *) depictionForPackage:(NSString *)package {
1770     return depiction_.empty() ? nil : [static_cast<id>(depiction_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1771 }
1772
1773 - (NSString *) supportForPackage:(NSString *)package {
1774     return support_.empty() ? nil : [static_cast<id>(support_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1775 }
1776
1777 - (NSDictionary *) record {
1778     return record_;
1779 }
1780
1781 - (BOOL) trusted {
1782     return trusted_;
1783 }
1784
1785 - (NSString *) uri {
1786     return uri_;
1787 }
1788
1789 - (NSString *) distribution {
1790     return distribution_;
1791 }
1792
1793 - (NSString *) type {
1794     return type_;
1795 }
1796
1797 - (NSString *) key {
1798     return [NSString stringWithFormat:@"%@:%@:%@", (NSString *) type_, (NSString *) uri_, (NSString *) distribution_];
1799 }
1800
1801 - (NSString *) host {
1802     return host_;
1803 }
1804
1805 - (NSString *) name {
1806     return origin_.empty() ? authority_ : origin_;
1807 }
1808
1809 - (NSString *) description {
1810     return description_;
1811 }
1812
1813 - (NSString *) label {
1814     return label_.empty() ? authority_ : label_;
1815 }
1816
1817 - (NSString *) origin {
1818     return origin_;
1819 }
1820
1821 - (NSString *) version {
1822     return version_;
1823 }
1824
1825 - (NSString *) defaultIcon {
1826     return defaultIcon_;
1827 }
1828
1829 @end
1830 /* }}} */
1831 /* CydiaOperation Class {{{ */
1832 @interface CydiaOperation : NSObject {
1833     NSString *operator_;
1834     NSString *value_;
1835 }
1836
1837 - (NSString *) operator;
1838 - (NSString *) value;
1839
1840 @end
1841
1842 @implementation CydiaOperation
1843
1844 - (void) dealloc {
1845     [operator_ release];
1846     [value_ release];
1847     [super dealloc];
1848 }
1849
1850 - (id) initWithOperator:(const char *)_operator value:(const char *)value {
1851     if ((self = [super init]) != nil) {
1852         operator_ = [[NSString alloc] initWithUTF8String:_operator];
1853         value_ = [[NSString alloc] initWithUTF8String:value];
1854     } return self;
1855 }
1856
1857 + (NSArray *) _attributeKeys {
1858     return [NSArray arrayWithObjects:
1859         @"operator",
1860         @"value",
1861     nil];
1862 }
1863
1864 - (NSArray *) attributeKeys {
1865     return [[self class] _attributeKeys];
1866 }
1867
1868 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1869     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1870 }
1871
1872 - (NSString *) operator {
1873     return operator_;
1874 }
1875
1876 - (NSString *) value {
1877     return value_;
1878 }
1879
1880 @end
1881 /* }}} */
1882 /* CydiaClause Class {{{ */
1883 @interface CydiaClause : NSObject {
1884     NSString *package_;
1885     CydiaOperation *version_;
1886 }
1887
1888 - (NSString *) package;
1889 - (CydiaOperation *) version;
1890
1891 @end
1892
1893 @implementation CydiaClause
1894
1895 - (void) dealloc {
1896     [package_ release];
1897     [version_ release];
1898     [super dealloc];
1899 }
1900
1901 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1902     if ((self = [super init]) != nil) {
1903         package_ = [[NSString alloc] initWithUTF8String:dep.TargetPkg().Name()];
1904
1905         if (const char *version = dep.TargetVer())
1906             version_ = [[CydiaOperation alloc] initWithOperator:dep.CompType() value:version];
1907         else
1908             version_ = [[NSNull null] retain];
1909     } return self;
1910 }
1911
1912 + (NSArray *) _attributeKeys {
1913     return [NSArray arrayWithObjects:
1914         @"package",
1915         @"version",
1916     nil];
1917 }
1918
1919 - (NSArray *) attributeKeys {
1920     return [[self class] _attributeKeys];
1921 }
1922
1923 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1924     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1925 }
1926
1927 - (NSString *) package {
1928     return package_;
1929 }
1930
1931 - (CydiaOperation *) version {
1932     return version_;
1933 }
1934
1935 @end
1936 /* }}} */
1937 /* CydiaRelation Class {{{ */
1938 @interface CydiaRelation : NSObject {
1939     NSString *relationship_;
1940     NSMutableArray *clauses_;
1941 }
1942
1943 - (NSString *) relationship;
1944 - (NSArray *) clauses;
1945
1946 @end
1947
1948 @implementation CydiaRelation
1949
1950 - (void) dealloc {
1951     [relationship_ release];
1952     [clauses_ release];
1953     [super dealloc];
1954 }
1955
1956 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1957     if ((self = [super init]) != nil) {
1958         relationship_ = [[NSString alloc] initWithUTF8String:dep.DepType()];
1959         clauses_ = [[NSMutableArray alloc] initWithCapacity:8];
1960
1961         pkgCache::DepIterator start;
1962         pkgCache::DepIterator end;
1963         dep.GlobOr(start, end); // ++dep
1964
1965         _forever {
1966             [clauses_ addObject:[[[CydiaClause alloc] initWithIterator:start] autorelease]];
1967
1968             // yes, seriously. (wtf?)
1969             if (start == end)
1970                 break;
1971             ++start;
1972         }
1973     } return self;
1974 }
1975
1976 + (NSArray *) _attributeKeys {
1977     return [NSArray arrayWithObjects:
1978         @"clauses",
1979         @"relationship",
1980     nil];
1981 }
1982
1983 - (NSArray *) attributeKeys {
1984     return [[self class] _attributeKeys];
1985 }
1986
1987 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1988     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1989 }
1990
1991 - (NSString *) relationship {
1992     return relationship_;
1993 }
1994
1995 - (NSArray *) clauses {
1996     return clauses_;
1997 }
1998
1999 - (void) addClause:(CydiaClause *)clause {
2000     [clauses_ addObject:clause];
2001 }
2002
2003 @end
2004 /* }}} */
2005 /* Package Class {{{ */
2006 struct ParsedPackage {
2007     CYString tagline_;
2008
2009     CYString icon_;
2010
2011     CYString depiction_;
2012     CYString homepage_;
2013
2014     CYString sponsor_;
2015     CYString author_;
2016
2017     CYString bugs_;
2018     CYString support_;
2019 };
2020
2021 @interface Package : NSObject {
2022     uint32_t era_ : 26;
2023     uint32_t role_ : 3;
2024     uint32_t essential_ : 1;
2025     uint32_t obsolete_ : 1;
2026     uint32_t ignored_ : 1;
2027
2028     apr_pool_t *pool_;
2029
2030     _transient Database *database_;
2031
2032     pkgCache::VerIterator version_;
2033     pkgCache::PkgIterator iterator_;
2034     pkgCache::VerFileIterator file_;
2035
2036     CYString id_;
2037     CYString name_;
2038
2039     CYString latest_;
2040     CYString installed_;
2041
2042     const char *section_;
2043     _transient NSString *section$_;
2044
2045     Source *source_;
2046
2047     PackageValue *metadata_;
2048     ParsedPackage *parsed_;
2049
2050     NSMutableArray *tags_;
2051 }
2052
2053 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
2054 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
2055
2056 - (pkgCache::PkgIterator) iterator;
2057 - (void) parse;
2058
2059 - (NSString *) section;
2060 - (NSString *) simpleSection;
2061
2062 - (NSString *) longSection;
2063 - (NSString *) shortSection;
2064
2065 - (NSString *) uri;
2066
2067 - (Address *) maintainer;
2068 - (size_t) size;
2069 - (NSString *) longDescription;
2070 - (NSString *) shortDescription;
2071 - (unichar) index;
2072
2073 - (PackageValue *) metadata;
2074 - (time_t) seen;
2075
2076 - (bool) subscribed;
2077 - (bool) setSubscribed:(bool)subscribed;
2078
2079 - (BOOL) ignored;
2080
2081 - (NSString *) latest;
2082 - (NSString *) installed;
2083 - (BOOL) uninstalled;
2084
2085 - (BOOL) valid;
2086 - (BOOL) upgradableAndEssential:(BOOL)essential;
2087 - (BOOL) essential;
2088 - (BOOL) broken;
2089 - (BOOL) unfiltered;
2090 - (BOOL) visible;
2091
2092 - (BOOL) half;
2093 - (BOOL) halfConfigured;
2094 - (BOOL) halfInstalled;
2095 - (BOOL) hasMode;
2096 - (NSString *) mode;
2097
2098 - (NSString *) id;
2099 - (NSString *) name;
2100 - (UIImage *) icon;
2101 - (NSString *) homepage;
2102 - (NSString *) depiction;
2103 - (Address *) author;
2104
2105 - (NSString *) support;
2106
2107 - (NSArray *) files;
2108 - (NSArray *) warnings;
2109 - (NSArray *) applications;
2110
2111 - (Source *) source;
2112
2113 - (BOOL) matches:(NSString *)text;
2114
2115 - (bool) hasSupportingRole;
2116 - (BOOL) hasTag:(NSString *)tag;
2117 - (NSString *) primaryPurpose;
2118 - (NSArray *) purposes;
2119 - (bool) isCommercial;
2120
2121 - (void) setIndex:(size_t)index;
2122
2123 - (CYString &) cyname;
2124
2125 - (uint32_t) compareBySection:(NSArray *)sections;
2126
2127 - (void) install;
2128 - (void) remove;
2129
2130 - (bool) isUnfilteredAndSearchedForBy:(NSString *)search;
2131 - (bool) isUnfilteredAndSelectedForBy:(NSString *)search;
2132 - (bool) isInstalledAndUnfiltered:(NSNumber *)number;
2133 - (bool) isVisibleInSection:(NSString *)section;
2134 - (bool) isVisibleInSource:(Source *)source;
2135
2136 @end
2137
2138 uint32_t PackageChangesRadix(Package *self, void *) {
2139     union {
2140         uint32_t key;
2141
2142         struct {
2143             uint32_t timestamp : 30;
2144             uint32_t ignored : 1;
2145             uint32_t upgradable : 1;
2146         } bits;
2147     } value;
2148
2149     bool upgradable([self upgradableAndEssential:YES]);
2150     value.bits.upgradable = upgradable ? 1 : 0;
2151
2152     if (upgradable) {
2153         value.bits.timestamp = 0;
2154         value.bits.ignored = [self ignored] ? 0 : 1;
2155         value.bits.upgradable = 1;
2156     } else {
2157         value.bits.timestamp = [self seen] >> 2;
2158         value.bits.ignored = 0;
2159         value.bits.upgradable = 0;
2160     }
2161
2162     return _not(uint32_t) - value.key;
2163 }
2164
2165 uint32_t PackagePrefixRadix(Package *self, void *context) {
2166     size_t offset(reinterpret_cast<size_t>(context));
2167     CYString &name([self cyname]);
2168
2169     size_t size(name.size());
2170     if (size == 0)
2171         return 0;
2172     char *text(name.data());
2173
2174     size_t zeros;
2175     if (!isdigit(text[0]))
2176         zeros = 0;
2177     else {
2178         size_t digits(1);
2179         while (size != digits && isdigit(text[digits]))
2180             if (++digits == 4)
2181                 break;
2182         zeros = 4 - digits;
2183     }
2184
2185     uint8_t data[4];
2186
2187     if (offset == 0 && zeros != 0) {
2188         memset(data, '0', zeros);
2189         memcpy(data + zeros, text, 4 - zeros);
2190     } else {
2191         /* XXX: there's some danger here if you request a non-zero offset < 4 and it gets zero padded */
2192         if (size <= offset - zeros)
2193             return 0;
2194
2195         text += offset - zeros;
2196         size -= offset - zeros;
2197
2198         if (size >= 4)
2199             memcpy(data, text, 4);
2200         else {
2201             memcpy(data, text, size);
2202             memset(data + size, 0, 4 - size);
2203         }
2204
2205         for (size_t i(0); i != 4; ++i)
2206             if (isalpha(data[i]))
2207                 data[i] |= 0x20;
2208     }
2209
2210     if (offset == 0)
2211         if (data[0] == '@')
2212             data[0] = 0x7f;
2213         else
2214             data[0] = (data[0] & 0x1f) | "\x80\x00\xc0\x40"[data[0] >> 6];
2215
2216     /* XXX: ntohl may be more honest */
2217     return OSSwapInt32(*reinterpret_cast<uint32_t *>(data));
2218 }
2219
2220 CYString &(*PackageName)(Package *self, SEL sel);
2221
2222 CFComparisonResult PackageNameCompare(Package *lhs, Package *rhs, void *arg) {
2223     _profile(PackageNameCompare)
2224         CYString &lhi(PackageName(lhs, @selector(cyname)));
2225         CYString &rhi(PackageName(rhs, @selector(cyname)));
2226         CFStringRef lhn(lhi), rhn(rhi);
2227
2228         if (lhn == NULL)
2229             return rhn == NULL ? NSOrderedSame : NSOrderedAscending;
2230         else if (rhn == NULL)
2231             return NSOrderedDescending;
2232
2233         _profile(PackageNameCompare$NumbersLast)
2234             if (!lhi.empty() && !rhi.empty()) {
2235                 UniChar lhc(CFStringGetCharacterAtIndex(lhn, 0));
2236                 UniChar rhc(CFStringGetCharacterAtIndex(rhn, 0));
2237                 bool lha(CFUniCharIsMemberOf(lhc, kCFUniCharLetterCharacterSet));
2238                 if (lha != CFUniCharIsMemberOf(rhc, kCFUniCharLetterCharacterSet))
2239                     return lha ? NSOrderedAscending : NSOrderedDescending;
2240             }
2241         _end
2242
2243         CFIndex length = CFStringGetLength(lhn);
2244
2245         _profile(PackageNameCompare$Compare)
2246             return CFStringCompareWithOptionsAndLocale(lhn, rhn, CFRangeMake(0, length), LaxCompareFlags_, Locale_);
2247         _end
2248     _end
2249 }
2250
2251 CFComparisonResult PackageNameCompare_(Package **lhs, Package **rhs, void *context) {
2252     return PackageNameCompare(*lhs, *rhs, context);
2253 }
2254
2255 struct PackageNameOrdering :
2256     std::binary_function<Package *, Package *, bool>
2257 {
2258     _finline bool operator ()(Package *lhs, Package *rhs) const {
2259         return PackageNameCompare(lhs, rhs, NULL) == NSOrderedAscending;
2260     }
2261 };
2262
2263 @implementation Package
2264
2265 - (NSString *) description {
2266     return [NSString stringWithFormat:@"<Package:%@>", static_cast<NSString *>(name_)];
2267 }
2268
2269 - (void) dealloc {
2270     if (parsed_ != NULL)
2271         delete parsed_;
2272     if (source_ != nil)
2273         [source_ release];
2274     if (tags_ != nil)
2275         [tags_ release];
2276     [super dealloc];
2277 }
2278
2279 + (NSString *) webScriptNameForSelector:(SEL)selector {
2280     if (false);
2281     else if (selector == @selector(clear))
2282         return @"clear";
2283     else if (selector == @selector(getField:))
2284         return @"getField";
2285     else if (selector == @selector(hasTag:))
2286         return @"hasTag";
2287     else if (selector == @selector(install))
2288         return @"install";
2289     else if (selector == @selector(remove))
2290         return @"remove";
2291     else
2292         return nil;
2293 }
2294
2295 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
2296     return [self webScriptNameForSelector:selector] == nil;
2297 }
2298
2299 + (NSArray *) _attributeKeys {
2300     return [NSArray arrayWithObjects:
2301         @"applications",
2302         @"author",
2303         @"depiction",
2304         @"essential",
2305         @"homepage",
2306         @"icon",
2307         @"id",
2308         @"installed",
2309         @"latest",
2310         @"longDescription",
2311         @"longSection",
2312         @"maintainer",
2313         @"mode",
2314         @"name",
2315         @"purposes",
2316         @"relations",
2317         @"section",
2318         @"shortDescription",
2319         @"shortSection",
2320         @"simpleSection",
2321         @"size",
2322         @"source",
2323         @"sponsor",
2324         @"support",
2325         @"warnings",
2326     nil];
2327 }
2328
2329 - (NSArray *) attributeKeys {
2330     return [[self class] _attributeKeys];
2331 }
2332
2333 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2334     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2335 }
2336
2337 - (NSArray *) relations {
2338 @synchronized (database_) {
2339     NSMutableArray *relations([NSMutableArray arrayWithCapacity:16]);
2340     for (pkgCache::DepIterator dep(version_.DependsList()); !dep.end(); ++dep)
2341         [relations addObject:[[[CydiaRelation alloc] initWithIterator:dep] autorelease]];
2342     return relations;
2343 } }
2344
2345 - (NSString *) getField:(NSString *)name {
2346 @synchronized (database_) {
2347     if ([database_ era] != era_ || file_.end())
2348         return nil;
2349
2350     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2351
2352     const char *start, *end;
2353     if (!parser.Find([name UTF8String], start, end))
2354         return (NSString *) [NSNull null];
2355
2356     return [(NSString *) CYStringCreate(start, end - start) autorelease];
2357 } }
2358
2359 - (void) parse {
2360     if (parsed_ != NULL)
2361         return;
2362 @synchronized (database_) {
2363     if ([database_ era] != era_ || file_.end())
2364         return;
2365
2366     ParsedPackage *parsed(new ParsedPackage);
2367     parsed_ = parsed;
2368
2369     _profile(Package$parse)
2370         pkgRecords::Parser *parser;
2371
2372         _profile(Package$parse$Lookup)
2373             parser = &[database_ records]->Lookup(file_);
2374         _end
2375
2376         CYString website;
2377
2378         _profile(Package$parse$Find)
2379             struct {
2380                 const char *name_;
2381                 CYString *value_;
2382             } names[] = {
2383                 {"icon", &parsed->icon_},
2384                 {"depiction", &parsed->depiction_},
2385                 {"homepage", &parsed->homepage_},
2386                 {"website", &website},
2387                 {"bugs", &parsed->bugs_},
2388                 {"support", &parsed->support_},
2389                 {"sponsor", &parsed->sponsor_},
2390                 {"author", &parsed->author_},
2391             };
2392
2393             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
2394                 const char *start, *end;
2395
2396                 if (parser->Find(names[i].name_, start, end)) {
2397                     CYString &value(*names[i].value_);
2398                     _profile(Package$parse$Value)
2399                         value.set(pool_, start, end - start);
2400                     _end
2401                 }
2402             }
2403         _end
2404
2405         _profile(Package$parse$Tagline)
2406             const char *start, *end;
2407             if (parser->ShortDesc(start, end)) {
2408                 const char *stop(reinterpret_cast<const char *>(memchr(start, '\n', end - start)));
2409                 if (stop == NULL)
2410                     stop = end;
2411                 while (stop != start && stop[-1] == '\r')
2412                     --stop;
2413                 parsed->tagline_.set(pool_, start, stop - start);
2414             }
2415         _end
2416
2417         _profile(Package$parse$Retain)
2418             if (parsed->homepage_.empty())
2419                 parsed->homepage_ = website;
2420             if (parsed->homepage_ == parsed->depiction_)
2421                 parsed->homepage_.clear();
2422         _end
2423     _end
2424 } }
2425
2426 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2427     if ((self = [super init]) != nil) {
2428     _profile(Package$initWithVersion)
2429         pool_ = pool;
2430
2431         database_ = database;
2432         era_ = [database era];
2433
2434         version_ = version;
2435
2436         pkgCache::PkgIterator iterator(version.ParentPkg());
2437         iterator_ = iterator;
2438
2439         _profile(Package$initWithVersion$Version)
2440             if (!version_.end())
2441                 file_ = version_.FileList();
2442             else {
2443                 pkgCache &cache([database_ cache]);
2444                 file_ = pkgCache::VerFileIterator(cache, cache.VerFileP);
2445             }
2446         _end
2447
2448         _profile(Package$initWithVersion$Cache)
2449             name_.set(NULL, iterator.Display());
2450
2451             latest_.set(NULL, StripVersion_(version_.VerStr()));
2452
2453             pkgCache::VerIterator current(iterator.CurrentVer());
2454             if (!current.end())
2455                 installed_.set(NULL, StripVersion_(current.VerStr()));
2456         _end
2457
2458         _profile(Package$initWithVersion$Tags)
2459             pkgCache::TagIterator tag(iterator.TagList());
2460             if (!tag.end()) {
2461                 tags_ = [[NSMutableArray alloc] initWithCapacity:8];
2462                 do {
2463                     const char *name(tag.Name());
2464                     [tags_ addObject:[(NSString *)CYStringCreate(name) autorelease]];
2465
2466                     if (role_ == 0 && strncmp(name, "role::", 6) == 0 /*&& strcmp(name, "role::leaper") != 0*/) {
2467                         if (strcmp(name + 6, "enduser") == 0)
2468                             role_ = 1;
2469                         else if (strcmp(name + 6, "hacker") == 0)
2470                             role_ = 2;
2471                         else if (strcmp(name + 6, "developer") == 0)
2472                             role_ = 3;
2473                         else if (strcmp(name + 6, "cydia") == 0)
2474                             role_ = 7;
2475                         else
2476                             role_ = 4;
2477                     }
2478
2479                     if (strncmp(name, "cydia::", 7) == 0) {
2480                         if (strcmp(name + 7, "essential") == 0)
2481                             essential_ = true;
2482                         else if (strcmp(name + 7, "obsolete") == 0)
2483                             obsolete_ = true;
2484                     }
2485
2486                     ++tag;
2487                 } while (!tag.end());
2488             }
2489         _end
2490
2491         _profile(Package$initWithVersion$Metadata)
2492             const char *mixed(iterator.Name());
2493             size_t size(strlen(mixed));
2494             char lower[size + 1];
2495
2496             for (size_t i(0); i != size; ++i)
2497                 lower[i] = mixed[i] | 0x20;
2498             lower[size] = '\0';
2499
2500             PackageValue *metadata(PackageFind(lower, size));
2501             metadata_ = metadata;
2502
2503             id_.set(NULL, metadata->name_, size);
2504
2505             const char *latest(version_.VerStr());
2506             size_t length(strlen(latest));
2507
2508             uint16_t vhash(hashlittle(latest, length));
2509
2510             size_t capped(std::min<size_t>(8, length));
2511             latest = latest + length - capped;
2512
2513             if (metadata->first_ == 0)
2514                 metadata->first_ = now_;
2515
2516             if (metadata->vhash_ != vhash || strncmp(metadata->version_, latest, sizeof(metadata->version_)) != 0) {
2517                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
2518                 metadata->vhash_ = vhash;
2519                 metadata->last_ = now_;
2520             } else if (metadata->last_ == 0)
2521                 metadata->last_ = metadata->first_;
2522         _end
2523
2524         _profile(Package$initWithVersion$Section)
2525             section_ = iterator.Section();
2526         _end
2527
2528         _profile(Package$initWithVersion$Flags)
2529             essential_ |= ((iterator->Flags & pkgCache::Flag::Essential) == 0 ? NO : YES);
2530             ignored_ = iterator->SelectedState == pkgCache::State::Hold;
2531         _end
2532     _end } return self;
2533 }
2534
2535 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2536     pkgCache::VerIterator version;
2537
2538     _profile(Package$packageWithIterator$GetCandidateVer)
2539         version = [database policy]->GetCandidateVer(iterator);
2540     _end
2541
2542     if (version.end())
2543         return nil;
2544
2545     Package *package;
2546
2547     _profile(Package$packageWithIterator$Allocate)
2548         package = [Package allocWithZone:zone];
2549     _end
2550
2551     _profile(Package$packageWithIterator$Initialize)
2552         package = [package
2553             initWithVersion:version
2554             withZone:zone
2555             inPool:pool
2556             database:database
2557         ];
2558     _end
2559
2560     _profile(Package$packageWithIterator$Autorelease)
2561         package = [package autorelease];
2562     _end
2563
2564     return package;
2565 }
2566
2567 - (pkgCache::PkgIterator) iterator {
2568     return iterator_;
2569 }
2570
2571 - (NSString *) section {
2572     if (section$_ == nil) {
2573         if (section_ == NULL)
2574             return nil;
2575
2576         _profile(Package$section$mappedSectionForPointer)
2577             section$_ = [database_ mappedSectionForPointer:section_];
2578         _end
2579     } return section$_;
2580 }
2581
2582 - (NSString *) simpleSection {
2583     if (NSString *section = [self section])
2584         return Simplify(section);
2585     else
2586         return nil;
2587 }
2588
2589 - (NSString *) longSection {
2590     return LocalizeSection([self section]);
2591 }
2592
2593 - (NSString *) shortSection {
2594     return [[NSBundle mainBundle] localizedStringForKey:[self simpleSection] value:nil table:@"Sections"];
2595 }
2596
2597 - (NSString *) uri {
2598     return nil;
2599 #if 0
2600     pkgIndexFile *index;
2601     pkgCache::PkgFileIterator file(file_.File());
2602     if (![database_ list].FindIndex(file, index))
2603         return nil;
2604     return [NSString stringWithUTF8String:iterator_->Path];
2605     //return [NSString stringWithUTF8String:file.Site()];
2606     //return [NSString stringWithUTF8String:index->ArchiveURI(file.FileName()).c_str()];
2607 #endif
2608 }
2609
2610 - (Address *) maintainer {
2611 @synchronized (database_) {
2612     if ([database_ era] != era_ || file_.end())
2613         return nil;
2614
2615     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2616     const std::string &maintainer(parser->Maintainer());
2617     return maintainer.empty() ? nil : [Address addressWithString:[NSString stringWithUTF8String:maintainer.c_str()]];
2618 } }
2619
2620 - (size_t) size {
2621 @synchronized (database_) {
2622     if ([database_ era] != era_ || version_.end())
2623         return 0;
2624
2625     return version_->InstalledSize;
2626 } }
2627
2628 - (NSString *) longDescription {
2629 @synchronized (database_) {
2630     if ([database_ era] != era_ || file_.end())
2631         return nil;
2632
2633     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2634     NSString *description([NSString stringWithUTF8String:parser->LongDesc().c_str()]);
2635
2636     NSArray *lines = [description componentsSeparatedByString:@"\n"];
2637     NSMutableArray *trimmed = [NSMutableArray arrayWithCapacity:([lines count] - 1)];
2638     if ([lines count] < 2)
2639         return nil;
2640
2641     NSCharacterSet *whitespace = [NSCharacterSet whitespaceCharacterSet];
2642     for (size_t i(1), e([lines count]); i != e; ++i) {
2643         NSString *trim = [[lines objectAtIndex:i] stringByTrimmingCharactersInSet:whitespace];
2644         [trimmed addObject:trim];
2645     }
2646
2647     return [trimmed componentsJoinedByString:@"\n"];
2648 } }
2649
2650 - (NSString *) shortDescription {
2651     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->tagline_);
2652 }
2653
2654 - (unichar) index {
2655     _profile(Package$index)
2656         CFStringRef name((CFStringRef) [self name]);
2657         if (CFStringGetLength(name) == 0)
2658             return '#';
2659         UniChar character(CFStringGetCharacterAtIndex(name, 0));
2660         if (!CFUniCharIsMemberOf(character, kCFUniCharLetterCharacterSet))
2661             return '#';
2662         return toupper(character);
2663     _end
2664 }
2665
2666 - (PackageValue *) metadata {
2667     return metadata_;
2668 }
2669
2670 - (time_t) seen {
2671     PackageValue *metadata([self metadata]);
2672     return metadata->subscribed_ ? metadata->last_ : metadata->first_;
2673 }
2674
2675 - (bool) subscribed {
2676     return [self metadata]->subscribed_;
2677 }
2678
2679 - (bool) setSubscribed:(bool)subscribed {
2680     PackageValue *metadata([self metadata]);
2681     if (metadata->subscribed_ == subscribed)
2682         return false;
2683     metadata->subscribed_ = subscribed;
2684     return true;
2685 }
2686
2687 - (BOOL) ignored {
2688     return ignored_;
2689 }
2690
2691 - (NSString *) latest {
2692     return latest_;
2693 }
2694
2695 - (NSString *) installed {
2696     return installed_;
2697 }
2698
2699 - (BOOL) uninstalled {
2700     return installed_.empty();
2701 }
2702
2703 - (BOOL) valid {
2704     return !version_.end();
2705 }
2706
2707 - (BOOL) upgradableAndEssential:(BOOL)essential {
2708     _profile(Package$upgradableAndEssential)
2709         pkgCache::VerIterator current(iterator_.CurrentVer());
2710         if (current.end())
2711             return essential && essential_;
2712         else
2713             return !version_.end() && version_ != current;
2714     _end
2715 }
2716
2717 - (BOOL) essential {
2718     return essential_;
2719 }
2720
2721 - (BOOL) broken {
2722     return [database_ cache][iterator_].InstBroken();
2723 }
2724
2725 - (BOOL) unfiltered {
2726     _profile(Package$unfiltered$obsolete)
2727         if (_unlikely(obsolete_))
2728             return false;
2729     _end
2730
2731     _profile(Package$unfiltered$hasSupportingRole)
2732         if (_unlikely(![self hasSupportingRole]))
2733             return false;
2734     _end
2735
2736     return true;
2737 }
2738
2739 - (BOOL) visible {
2740     if (![self unfiltered])
2741         return false;
2742
2743     NSString *section;
2744
2745     _profile(Package$visible$section)
2746         section = [self section];
2747     _end
2748
2749     _profile(Package$visible$isSectionVisible)
2750         if (!isSectionVisible(section))
2751             return false;
2752     _end
2753
2754     return true;
2755 }
2756
2757 - (BOOL) half {
2758     unsigned char current(iterator_->CurrentState);
2759     return current == pkgCache::State::HalfConfigured || current == pkgCache::State::HalfInstalled;
2760 }
2761
2762 - (BOOL) halfConfigured {
2763     return iterator_->CurrentState == pkgCache::State::HalfConfigured;
2764 }
2765
2766 - (BOOL) halfInstalled {
2767     return iterator_->CurrentState == pkgCache::State::HalfInstalled;
2768 }
2769
2770 - (BOOL) hasMode {
2771     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2772     return state.Mode != pkgDepCache::ModeKeep;
2773 }
2774
2775 - (NSString *) mode {
2776     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2777
2778     switch (state.Mode) {
2779         case pkgDepCache::ModeDelete:
2780             if ((state.iFlags & pkgDepCache::Purge) != 0)
2781                 return @"PURGE";
2782             else
2783                 return @"REMOVE";
2784         case pkgDepCache::ModeKeep:
2785             if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2786                 return @"REINSTALL";
2787             /*else if ((state.iFlags & pkgDepCache::AutoKept) != 0)
2788                 return nil;*/
2789             else
2790                 return nil;
2791         case pkgDepCache::ModeInstall:
2792             /*if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2793                 return @"REINSTALL";
2794             else*/ switch (state.Status) {
2795                 case -1:
2796                     return @"DOWNGRADE";
2797                 case 0:
2798                     return @"INSTALL";
2799                 case 1:
2800                     return @"UPGRADE";
2801                 case 2:
2802                     return @"NEW_INSTALL";
2803                 _nodefault
2804             }
2805         _nodefault
2806     }
2807 }
2808
2809 - (NSString *) id {
2810     return id_;
2811 }
2812
2813 - (NSString *) name {
2814     return name_.empty() ? id_ : name_;
2815 }
2816
2817 - (UIImage *) icon {
2818     NSString *section = [self simpleSection];
2819
2820     UIImage *icon(nil);
2821     if (parsed_ != NULL)
2822         if (NSString *href = parsed_->icon_)
2823             if ([href hasPrefix:@"file:///"])
2824                 // XXX: correct escaping
2825                 icon = [UIImage imageAtPath:[href substringFromIndex:7]];
2826     if (icon == nil) if (section != nil)
2827         icon = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]];
2828     if (icon == nil) if (Source *source = [self source]) if (NSString *dicon = [source defaultIcon])
2829         if ([dicon hasPrefix:@"file:///"])
2830             // XXX: correct escaping
2831             icon = [UIImage imageAtPath:[dicon substringFromIndex:7]];
2832     if (icon == nil)
2833         icon = [UIImage applicationImageNamed:@"unknown.png"];
2834     return icon;
2835 }
2836
2837 - (NSString *) homepage {
2838     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->homepage_);
2839 }
2840
2841 - (NSString *) depiction {
2842     return parsed_ != NULL && !parsed_->depiction_.empty() ? parsed_->depiction_ : [[self source] depictionForPackage:id_];
2843 }
2844
2845 - (Address *) sponsor {
2846     return parsed_ == NULL || parsed_->sponsor_.empty() ? nil : [Address addressWithString:parsed_->sponsor_];
2847 }
2848
2849 - (Address *) author {
2850     return parsed_ == NULL || parsed_->author_.empty() ? nil : [Address addressWithString:parsed_->author_];
2851 }
2852
2853 - (NSString *) support {
2854     return parsed_ != NULL && !parsed_->bugs_.empty() ? parsed_->bugs_ : [[self source] supportForPackage:id_];
2855 }
2856
2857 - (NSArray *) files {
2858     NSString *path = [NSString stringWithFormat:@"/var/lib/dpkg/info/%@.list", static_cast<NSString *>(id_)];
2859     NSMutableArray *files = [NSMutableArray arrayWithCapacity:128];
2860
2861     std::ifstream fin;
2862     fin.open([path UTF8String]);
2863     if (!fin.is_open())
2864         return nil;
2865
2866     std::string line;
2867     while (std::getline(fin, line))
2868         [files addObject:[NSString stringWithUTF8String:line.c_str()]];
2869
2870     return files;
2871 }
2872
2873 - (NSArray *) warnings {
2874     NSMutableArray *warnings([NSMutableArray arrayWithCapacity:4]);
2875     const char *name(iterator_.Name());
2876
2877     size_t length(strlen(name));
2878     if (length < 2) invalid:
2879         [warnings addObject:UCLocalize("ILLEGAL_PACKAGE_IDENTIFIER")];
2880     else for (size_t i(0); i != length; ++i)
2881         if (
2882             /* XXX: technically this is not allowed */
2883             (name[i] < 'A' || name[i] > 'Z') &&
2884             (name[i] < 'a' || name[i] > 'z') &&
2885             (name[i] < '0' || name[i] > '9') &&
2886             (i == 0 || name[i] != '+' && name[i] != '-' && name[i] != '.')
2887         ) goto invalid;
2888
2889     if (strcmp(name, "cydia") != 0) {
2890         bool cydia = false;
2891         bool user = false;
2892         bool _private = false;
2893         bool stash = false;
2894
2895         bool repository = [[self section] isEqualToString:@"Repositories"];
2896
2897         if (NSArray *files = [self files])
2898             for (NSString *file in files)
2899                 if (!cydia && [file isEqualToString:@"/Applications/Cydia.app"])
2900                     cydia = true;
2901                 else if (!user && [file isEqualToString:@"/User"])
2902                     user = true;
2903                 else if (!_private && [file isEqualToString:@"/private"])
2904                     _private = true;
2905                 else if (!stash && [file isEqualToString:@"/var/stash"])
2906                     stash = true;
2907
2908         /* XXX: this is not sensitive enough. only some folders are valid. */
2909         if (cydia && !repository)
2910             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"Cydia.app"]];
2911         if (user)
2912             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/User"]];
2913         if (_private)
2914             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/private"]];
2915         if (stash)
2916             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/var/stash"]];
2917     }
2918
2919     return [warnings count] == 0 ? nil : warnings;
2920 }
2921
2922 - (NSArray *) applications {
2923     NSString *me([[NSBundle mainBundle] bundleIdentifier]);
2924
2925     NSMutableArray *applications([NSMutableArray arrayWithCapacity:2]);
2926
2927     static Pcre application_r("^/Applications/(.*)\\.app/Info.plist$");
2928     if (NSArray *files = [self files])
2929         for (NSString *file in files)
2930             if (application_r(file)) {
2931                 NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:file]);
2932                 NSString *id([info objectForKey:@"CFBundleIdentifier"]);
2933                 if ([id isEqualToString:me])
2934                     continue;
2935
2936                 NSString *display([info objectForKey:@"CFBundleDisplayName"]);
2937                 if (display == nil)
2938                     display = application_r[1];
2939
2940                 NSString *bundle([file stringByDeletingLastPathComponent]);
2941                 NSString *icon([info objectForKey:@"CFBundleIconFile"]);
2942                 if (icon == nil || [icon length] == 0)
2943                     icon = @"icon.png";
2944                 NSURL *url([NSURL fileURLWithPath:[bundle stringByAppendingPathComponent:icon]]);
2945
2946                 NSMutableArray *application([NSMutableArray arrayWithCapacity:2]);
2947                 [applications addObject:application];
2948
2949                 [application addObject:id];
2950                 [application addObject:display];
2951                 [application addObject:url];
2952             }
2953
2954     return [applications count] == 0 ? nil : applications;
2955 }
2956
2957 - (Source *) source {
2958     if (source_ == nil) {
2959         @synchronized (database_) {
2960             if ([database_ era] != era_ || file_.end())
2961                 source_ = (Source *) [NSNull null];
2962             else
2963                 source_ = [([database_ getSource:file_.File()] ?: (Source *) [NSNull null]) retain];
2964         }
2965     }
2966
2967     return source_ == (Source *) [NSNull null] ? nil : source_;
2968 }
2969
2970 - (BOOL) matches:(NSString *)text {
2971     if (text == nil)
2972         return NO;
2973
2974     NSRange range;
2975
2976     range = [[self id] rangeOfString:text options:MatchCompareOptions_];
2977     if (range.location != NSNotFound)
2978         return YES;
2979
2980     range = [[self name] rangeOfString:text options:MatchCompareOptions_];
2981     if (range.location != NSNotFound)
2982         return YES;
2983
2984     [self parse];
2985
2986     range = [[self shortDescription] rangeOfString:text options:MatchCompareOptions_];
2987     if (range.location != NSNotFound)
2988         return YES;
2989
2990     return NO;
2991 }
2992
2993 - (bool) hasSupportingRole {
2994     if (role_ == 0)
2995         return true;
2996     if (role_ == 1)
2997         return true;
2998     if ([Role_ isEqualToString:@"User"])
2999         return false;
3000     if (role_ == 2)
3001         return true;
3002     if ([Role_ isEqualToString:@"Hacker"])
3003         return false;
3004     if (role_ == 3)
3005         return true;
3006     if ([Role_ isEqualToString:@"Developer"])
3007         return false;
3008     _assert(false);
3009 }
3010
3011 - (BOOL) hasTag:(NSString *)tag {
3012     return tags_ == nil ? NO : [tags_ containsObject:tag];
3013 }
3014
3015 - (NSString *) primaryPurpose {
3016     for (NSString *tag in tags_)
3017         if ([tag hasPrefix:@"purpose::"])
3018             return [tag substringFromIndex:9];
3019     return nil;
3020 }
3021
3022 - (NSArray *) purposes {
3023     NSMutableArray *purposes([NSMutableArray arrayWithCapacity:2]);
3024     for (NSString *tag in tags_)
3025         if ([tag hasPrefix:@"purpose::"])
3026             [purposes addObject:[tag substringFromIndex:9]];
3027     return [purposes count] == 0 ? nil : purposes;
3028 }
3029
3030 - (bool) isCommercial {
3031     return [self hasTag:@"cydia::commercial"];
3032 }
3033
3034 - (void) setIndex:(size_t)index {
3035     if (metadata_->index_ != index)
3036         metadata_->index_ = index;
3037 }
3038
3039 - (CYString &) cyname {
3040     return name_.empty() ? id_ : name_;
3041 }
3042
3043 - (uint32_t) compareBySection:(NSArray *)sections {
3044     NSString *section([self section]);
3045     for (size_t i(0), e([sections count]); i != e; ++i) {
3046         if ([section isEqualToString:[[sections objectAtIndex:i] name]])
3047             return i;
3048     }
3049
3050     return _not(uint32_t);
3051 }
3052
3053 - (void) clear {
3054 @synchronized (database_) {
3055     pkgProblemResolver *resolver = [database_ resolver];
3056     resolver->Clear(iterator_);
3057
3058     pkgCacheFile &cache([database_ cache]);
3059     cache->SetReInstall(iterator_, false);
3060     cache->MarkKeep(iterator_, false);
3061 } }
3062
3063 - (void) install {
3064 @synchronized (database_) {
3065     pkgProblemResolver *resolver = [database_ resolver];
3066     resolver->Clear(iterator_);
3067     resolver->Protect(iterator_);
3068
3069     pkgCacheFile &cache([database_ cache]);
3070     cache->SetReInstall(iterator_, false);
3071     cache->MarkInstall(iterator_, false);
3072
3073     pkgDepCache::StateCache &state((*cache)[iterator_]);
3074     if (!state.Install())
3075         cache->SetReInstall(iterator_, true);
3076 } }
3077
3078 - (void) remove {
3079 @synchronized (database_) {
3080     pkgProblemResolver *resolver = [database_ resolver];
3081     resolver->Clear(iterator_);
3082     resolver->Remove(iterator_);
3083     resolver->Protect(iterator_);
3084
3085     pkgCacheFile &cache([database_ cache]);
3086     cache->SetReInstall(iterator_, false);
3087     cache->MarkDelete(iterator_, true);
3088 } }
3089
3090 - (bool) isUnfilteredAndSearchedForBy:(NSString *)search {
3091     _profile(Package$isUnfilteredAndSearchedForBy)
3092         bool value(true);
3093
3094         _profile(Package$isUnfilteredAndSearchedForBy$Unfiltered)
3095             value &= [self unfiltered];
3096         _end
3097
3098         _profile(Package$isUnfilteredAndSearchedForBy$Match)
3099             value &= [self matches:search];
3100         _end
3101
3102         return value;
3103     _end
3104 }
3105
3106 - (bool) isUnfilteredAndSelectedForBy:(NSString *)search {
3107     if ([search length] == 0)
3108         return false;
3109
3110     _profile(Package$isUnfilteredAndSelectedForBy)
3111         bool value(true);
3112
3113         _profile(Package$isUnfilteredAndSelectedForBy$Unfiltered)
3114             value &= [self unfiltered];
3115         _end
3116
3117         _profile(Package$isUnfilteredAndSelectedForBy$Match)
3118             value &= [[self name] compare:search options:MatchCompareOptions_ range:NSMakeRange(0, [search length])] == NSOrderedSame;
3119         _end
3120
3121         return value;
3122     _end
3123 }
3124
3125 - (bool) isInstalledAndUnfiltered:(NSNumber *)number {
3126     return ![self uninstalled] && (![number boolValue] && role_ != 7 || [self unfiltered]);
3127 }
3128
3129 - (bool) isVisibleInSection:(NSString *)name {
3130     NSString *section([self section]);
3131
3132     return (
3133         name == nil ||
3134         section == nil && [name length] == 0 ||
3135         [name isEqualToString:section]
3136     ) && [self visible];
3137 }
3138
3139 - (bool) isVisibleInSource:(Source *)source {
3140     return [self source] == source && [self visible];
3141 }
3142
3143 @end
3144 /* }}} */
3145 /* Section Class {{{ */
3146 @interface Section : NSObject {
3147     NSString *name_;
3148     unichar index_;
3149     size_t row_;
3150     size_t count_;
3151     NSString *localized_;
3152 }
3153
3154 - (NSComparisonResult) compareByLocalized:(Section *)section;
3155 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized;
3156 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize;
3157 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize;
3158 - (Section *) initWithIndex:(unichar)index row:(size_t)row;
3159 - (NSString *) name;
3160 - (unichar) index;
3161
3162 - (size_t) row;
3163 - (size_t) count;
3164
3165 - (void) addToRow;
3166 - (void) addToCount;
3167
3168 - (void) setCount:(size_t)count;
3169 - (NSString *) localized;
3170
3171 @end
3172
3173 @implementation Section
3174
3175 - (void) dealloc {
3176     [name_ release];
3177     if (localized_ != nil)
3178         [localized_ release];
3179     [super dealloc];
3180 }
3181
3182 - (NSComparisonResult) compareByLocalized:(Section *)section {
3183     NSString *lhs(localized_);
3184     NSString *rhs([section localized]);
3185
3186     /*if ([lhs length] != 0 && [rhs length] != 0) {
3187         unichar lhc = [lhs characterAtIndex:0];
3188         unichar rhc = [rhs characterAtIndex:0];
3189
3190         if (isalpha(lhc) && !isalpha(rhc))
3191             return NSOrderedAscending;
3192         else if (!isalpha(lhc) && isalpha(rhc))
3193             return NSOrderedDescending;
3194     }*/
3195
3196     return [lhs compare:rhs options:LaxCompareOptions_];
3197 }
3198
3199 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized {
3200     if ((self = [self initWithName:name localize:NO]) != nil) {
3201         if (localized != nil)
3202             localized_ = [localized retain];
3203     } return self;
3204 }
3205
3206 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize {
3207     return [self initWithName:name row:0 localize:localize];
3208 }
3209
3210 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize {
3211     if ((self = [super init]) != nil) {
3212         name_ = [name retain];
3213         index_ = '\0';
3214         row_ = row;
3215         if (localize)
3216             localized_ = [LocalizeSection(name_) retain];
3217     } return self;
3218 }
3219
3220 /* XXX: localize the index thingees */
3221 - (Section *) initWithIndex:(unichar)index row:(size_t)row {
3222     if ((self = [super init]) != nil) {
3223         name_ = [[NSString stringWithCharacters:&index length:1] retain];
3224         index_ = index;
3225         row_ = row;
3226     } return self;
3227 }
3228
3229 - (NSString *) name {
3230     return name_;
3231 }
3232
3233 - (unichar) index {
3234     return index_;
3235 }
3236
3237 - (size_t) row {
3238     return row_;
3239 }
3240
3241 - (size_t) count {
3242     return count_;
3243 }
3244
3245 - (void) addToRow {
3246     ++row_;
3247 }
3248
3249 - (void) addToCount {
3250     ++count_;
3251 }
3252
3253 - (void) setCount:(size_t)count {
3254     count_ = count;
3255 }
3256
3257 - (NSString *) localized {
3258     return localized_;
3259 }
3260
3261 @end
3262 /* }}} */
3263
3264 static NSString *Colon_;
3265 static NSString *Elision_;
3266 static NSString *Error_;
3267 static NSString *Warning_;
3268
3269 /* Database Implementation {{{ */
3270 @implementation Database
3271
3272 + (Database *) sharedInstance {
3273     static Database *instance;
3274     if (instance == nil)
3275         instance = [[Database alloc] init];
3276     return instance;
3277 }
3278
3279 - (unsigned) era {
3280     return era_;
3281 }
3282
3283 - (void) releasePackages {
3284     CFArrayApplyFunction(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFArrayApplierFunction>(&CFRelease), NULL);
3285     CFArrayRemoveAllValues(packages_);
3286 }
3287
3288 - (void) dealloc {
3289     // XXX: actually implement this thing
3290     _assert(false);
3291     [sourceList_ release];
3292     [self releasePackages];
3293     apr_pool_destroy(pool_);
3294     NSRecycleZone(zone_);
3295     [super dealloc];
3296 }
3297
3298 - (void) _readCydia:(NSNumber *)fd { _pooled
3299     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3300     std::istream is(&ib);
3301     std::string line;
3302
3303     static Pcre finish_r("^finish:([^:]*)$");
3304
3305     while (std::getline(is, line)) {
3306         const char *data(line.c_str());
3307         size_t size = line.size();
3308         lprintf("C:%s\n", data);
3309
3310         if (finish_r(data, size)) {
3311             NSString *finish = finish_r[1];
3312             int index = [Finishes_ indexOfObject:finish];
3313             if (index != INT_MAX && index > Finish_)
3314                 Finish_ = index;
3315         }
3316     }
3317
3318     _assume(false);
3319 }
3320
3321 - (void) _readStatus:(NSNumber *)fd { _pooled
3322     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3323     std::istream is(&ib);
3324     std::string line;
3325
3326     static Pcre conffile_r("^status: [^ ]* : conffile-prompt : (.*?) *$");
3327     static Pcre pmstatus_r("^([^:]*):([^:]*):([^:]*):(.*)$");
3328
3329     while (std::getline(is, line)) {
3330         const char *data(line.c_str());
3331         size_t size(line.size());
3332         lprintf("S:%s\n", data);
3333
3334         if (conffile_r(data, size))
3335             [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:conffile_r[1] waitUntilDone:YES];
3336         else if (strncmp(data, "status: ", 8) == 0) {
3337             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 8)] ofType:@"STATUS"]);
3338             [progress_ performSelectorOnMainThread:@selector(addProgressEvent) withObject:event waitUntilDone:YES];
3339         } else if (pmstatus_r(data, size)) {
3340             std::string type([pmstatus_r[1] UTF8String]);
3341             NSString *package = pmstatus_r[2];
3342
3343             float percent([pmstatus_r[3] floatValue]);
3344             [progress_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:(percent / 100)] waitUntilDone:YES];
3345
3346             NSString *string = pmstatus_r[4];
3347
3348             if (type == "pmerror") {
3349                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:@"ERROR" forPackage:package]);
3350                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3351             } else if (type == "pmstatus") {
3352                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:@"STATUS" forPackage:package]);
3353                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3354             } else if (type == "pmconffile")
3355                 [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:string waitUntilDone:YES];
3356             else
3357                 lprintf("E:unknown pmstatus\n");
3358         } else
3359             lprintf("E:unknown status\n");
3360     }
3361
3362     _assume(false);
3363 }
3364
3365 - (void) _readOutput:(NSNumber *)fd { _pooled
3366     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3367     std::istream is(&ib);
3368     std::string line;
3369
3370     while (std::getline(is, line)) {
3371         lprintf("O:%s\n", line.c_str());
3372
3373         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:line.c_str()] ofType:@"INFORMATION"]);
3374         [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3375     }
3376
3377     _assume(false);
3378 }
3379
3380 - (FILE *) input {
3381     return input_;
3382 }
3383
3384 - (Package *) packageWithName:(NSString *)name {
3385 @synchronized (self) {
3386     if (static_cast<pkgDepCache *>(cache_) == NULL)
3387         return nil;
3388     pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]));
3389     return iterator.end() ? nil : [Package packageWithIterator:iterator withZone:NULL inPool:pool_ database:self];
3390 } }
3391
3392 - (id) init {
3393     if ((self = [super init]) != nil) {
3394         policy_ = NULL;
3395         records_ = NULL;
3396         resolver_ = NULL;
3397         fetcher_ = NULL;
3398         lock_ = NULL;
3399
3400         zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3401         apr_pool_create(&pool_, NULL);
3402
3403         size_t capacity(MetaFile_->active_);
3404         if (capacity == 0)
3405             capacity = 16384;
3406         else
3407             capacity += 1024;
3408
3409         packages_ = CFArrayCreateMutable(kCFAllocatorDefault, capacity, NULL);
3410         sourceList_ = [[NSMutableArray alloc] initWithCapacity:16];
3411
3412         int fds[2];
3413
3414         _assert(pipe(fds) != -1);
3415         cydiafd_ = fds[1];
3416
3417         _config->Set("APT::Keep-Fds::", cydiafd_);
3418         setenv("CYDIA", [[[[NSNumber numberWithInt:cydiafd_] stringValue] stringByAppendingString:@" 1"] UTF8String], _not(int));
3419
3420         [NSThread
3421             detachNewThreadSelector:@selector(_readCydia:)
3422             toTarget:self
3423             withObject:[NSNumber numberWithInt:fds[0]]
3424         ];
3425
3426         _assert(pipe(fds) != -1);
3427         statusfd_ = fds[1];
3428
3429         [NSThread
3430             detachNewThreadSelector:@selector(_readStatus:)
3431             toTarget:self
3432             withObject:[NSNumber numberWithInt:fds[0]]
3433         ];
3434
3435         _assert(pipe(fds) != -1);
3436         _assert(dup2(fds[0], 0) != -1);
3437         _assert(close(fds[0]) != -1);
3438
3439         input_ = fdopen(fds[1], "a");
3440
3441         _assert(pipe(fds) != -1);
3442         _assert(dup2(fds[1], 1) != -1);
3443         _assert(close(fds[1]) != -1);
3444
3445         [NSThread
3446             detachNewThreadSelector:@selector(_readOutput:)
3447             toTarget:self
3448             withObject:[NSNumber numberWithInt:fds[0]]
3449         ];
3450     } return self;
3451 }
3452
3453 - (pkgCacheFile &) cache {
3454     return cache_;
3455 }
3456
3457 - (pkgDepCache::Policy *) policy {
3458     return policy_;
3459 }
3460
3461 - (pkgRecords *) records {
3462     return records_;
3463 }
3464
3465 - (pkgProblemResolver *) resolver {
3466     return resolver_;
3467 }
3468
3469 - (pkgAcquire &) fetcher {
3470     return *fetcher_;
3471 }
3472
3473 - (pkgSourceList &) list {
3474     return *list_;
3475 }
3476
3477 - (NSArray *) packages {
3478     return (NSArray *) packages_;
3479 }
3480
3481 - (NSArray *) sources {
3482     return sourceList_;
3483 }
3484
3485 - (Source *) sourceWithKey:(NSString *)key {
3486     for (Source *source in [self sources]) {
3487         if ([[source key] isEqualToString:key])
3488             return source;
3489     } return nil;
3490 }
3491
3492 - (bool) popErrorWithTitle:(NSString *)title {
3493     bool fatal(false);
3494
3495     while (!_error->empty()) {
3496         std::string error;
3497         bool warning(!_error->PopMessage(error));
3498         if (!warning)
3499             fatal = true;
3500
3501         for (;;) {
3502             size_t size(error.size());
3503             if (size == 0 || error[size - 1] != '\n')
3504                 break;
3505             error.resize(size - 1);
3506         }
3507
3508         lprintf("%c:[%s]\n", warning ? 'W' : 'E', error.c_str());
3509
3510         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? @"WARNING" : @"ERROR")] forTask:title];
3511     }
3512
3513     return fatal;
3514 }
3515
3516 - (bool) popErrorWithTitle:(NSString *)title forOperation:(bool)success {
3517     return [self popErrorWithTitle:title] || !success;
3518 }
3519
3520 - (void) reloadDataWithInvocation:(NSInvocation *)invocation { CYPoolStart() {
3521 @synchronized (self) {
3522     ++era_;
3523
3524     [self releasePackages];
3525
3526     sourceMap_.clear();
3527     [sourceList_ removeAllObjects];
3528
3529     _error->Discard();
3530
3531     delete list_;
3532     list_ = NULL;
3533     manager_ = NULL;
3534     delete lock_;
3535     lock_ = NULL;
3536     delete fetcher_;
3537     fetcher_ = NULL;
3538     delete resolver_;
3539     resolver_ = NULL;
3540     delete records_;
3541     records_ = NULL;
3542     delete policy_;
3543     policy_ = NULL;
3544
3545     cache_.Close();
3546
3547     apr_pool_clear(pool_);
3548
3549     NSRecycleZone(zone_);
3550     zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3551
3552     int chk(creat("/tmp/cydia.chk", 0644));
3553     if (chk != -1)
3554         close(chk);
3555
3556     if (invocation != nil)
3557         [invocation invoke];
3558
3559     NSString *title(UCLocalize("DATABASE"));
3560
3561     _trace();
3562     OpProgress progress;
3563     while (!cache_.Open(progress, true)) { pop:
3564         std::string error;
3565         bool warning(!_error->PopMessage(error));
3566         lprintf("cache_.Open():[%s]\n", error.c_str());
3567
3568         if (error == "dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem. ")
3569             [delegate_ repairWithSelector:@selector(configure)];
3570         else if (error == "The package lists or status file could not be parsed or opened.")
3571             [delegate_ repairWithSelector:@selector(update)];
3572         // else if (error == "Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)")
3573         // else if (error == "Could not get lock /var/lib/dpkg/lock - open (35 Resource temporarily unavailable)")
3574         // else if (error == "The list of sources could not be read.")
3575         else {
3576             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? @"WARNING" : @"ERROR")] forTask:title];
3577             return;
3578         }
3579
3580         if (warning)
3581             goto pop;
3582         _error->Discard();
3583     }
3584     _trace();
3585
3586     unlink("/tmp/cydia.chk");
3587
3588     now_ = [[NSDate date] timeIntervalSince1970];
3589
3590     policy_ = new pkgDepCache::Policy();
3591     records_ = new pkgRecords(cache_);
3592     resolver_ = new pkgProblemResolver(cache_);
3593     fetcher_ = new pkgAcquire(&status_);
3594     lock_ = NULL;
3595
3596     list_ = new pkgSourceList();
3597     if ([self popErrorWithTitle:title forOperation:list_->ReadMainList()])
3598         return;
3599
3600     if (cache_->DelCount() != 0 || cache_->InstCount() != 0) {
3601         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("COUNTS_NONZERO_EX") ofType:@"ERROR"] forTask:title];
3602         return;
3603     }
3604
3605     if ([self popErrorWithTitle:title forOperation:pkgApplyStatus(cache_)])
3606         return;
3607
3608     if (cache_->BrokenCount() != 0) {
3609         if ([self popErrorWithTitle:title forOperation:pkgFixBroken(cache_)])
3610             return;
3611
3612         if (cache_->BrokenCount() != 0) {
3613             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("STILL_BROKEN_EX") ofType:@"ERROR"] forTask:title];
3614             return;
3615         }
3616
3617         if ([self popErrorWithTitle:title forOperation:pkgMinimizeUpgrade(cache_)])
3618             return;
3619     }
3620
3621     for (pkgSourceList::const_iterator source = list_->begin(); source != list_->end(); ++source) {
3622         Source *object([[[Source alloc] initWithMetaIndex:*source inPool:pool_] autorelease]);
3623         [sourceList_ addObject:object];
3624
3625         std::vector<pkgIndexFile *> *indices = (*source)->GetIndexFiles();
3626         for (std::vector<pkgIndexFile *>::const_iterator index = indices->begin(); index != indices->end(); ++index)
3627             // XXX: this could be more intelligent
3628             if (dynamic_cast<debPackagesIndex *>(*index) != NULL) {
3629                 pkgCache::PkgFileIterator cached((*index)->FindInCache(cache_));
3630                 if (!cached.end())
3631                     sourceMap_[cached->ID] = object;
3632             }
3633     }
3634
3635     {
3636         /*std::vector<Package *> packages;
3637         packages.reserve(std::max(10000U, [packages_ count] + 1000));
3638         [packages_ release];
3639         packages_ = nil;*/
3640
3641         _trace();
3642
3643         for (pkgCache::PkgIterator iterator = cache_->PkgBegin(); !iterator.end(); ++iterator)
3644             if (Package *package = [Package packageWithIterator:iterator withZone:zone_ inPool:pool_ database:self])
3645                 //packages.push_back(package);
3646                 CFArrayAppendValue(packages_, [package retain]);
3647
3648         _trace();
3649
3650         /*if (packages.empty())
3651             packages_ = [[NSArray alloc] init];
3652         else
3653             packages_ = [[NSArray alloc] initWithObjects:&packages.front() count:packages.size()];
3654         _trace();*/
3655
3656         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(16)];
3657         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(4)];
3658         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(0)];
3659
3660         /*_trace();
3661         PrintTimes();
3662         _trace();*/
3663
3664         _trace();
3665
3666         /*if (!packages.empty())
3667             CFQSortArray(&packages.front(), packages.size(), sizeof(packages.front()), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare_), NULL);*/
3668         //std::sort(packages.begin(), packages.end(), PackageNameOrdering());
3669
3670         //CFArraySortValues((CFMutableArrayRef) packages_, CFRangeMake(0, [packages_ count]), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3671
3672         CFArrayInsertionSortValues(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3673
3674         //[packages_ sortUsingFunction:reinterpret_cast<NSComparisonResult (*)(id, id, void *)>(&PackageNameCompare) context:NULL];
3675
3676         _trace();
3677
3678         size_t count(CFArrayGetCount(packages_));
3679         MetaFile_->active_ = count;
3680
3681         for (size_t index(0); index != count; ++index)
3682             [(Package *) CFArrayGetValueAtIndex(packages_, index) setIndex:index];
3683
3684         _trace();
3685     }
3686 } } CYPoolEnd() _trace(); }
3687
3688 - (void) clear {
3689 @synchronized (self) {
3690     delete resolver_;
3691     resolver_ = new pkgProblemResolver(cache_);
3692
3693     for (pkgCache::PkgIterator iterator(cache_->PkgBegin()); !iterator.end(); ++iterator)
3694         if (!cache_[iterator].Keep())
3695             cache_->MarkKeep(iterator, false);
3696         else if ((cache_[iterator].iFlags & pkgDepCache::ReInstall) != 0)
3697             cache_->SetReInstall(iterator, false);
3698 } }
3699
3700 - (void) configure {
3701     NSString *dpkg = [NSString stringWithFormat:@"dpkg --configure -a --status-fd %u", statusfd_];
3702     _trace();
3703     system([dpkg UTF8String]);
3704     _trace();
3705 }
3706
3707 - (bool) clean {
3708     // XXX: I don't remember this condition
3709     if (lock_ != NULL)
3710         return false;
3711
3712     FileFd Lock;
3713     Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3714
3715     NSString *title(UCLocalize("CLEAN_ARCHIVES"));
3716
3717     if ([self popErrorWithTitle:title])
3718         return false;
3719
3720     pkgAcquire fetcher;
3721     fetcher.Clean(_config->FindDir("Dir::Cache::Archives"));
3722
3723     class LogCleaner :
3724         public pkgArchiveCleaner
3725     {
3726       protected:
3727         virtual void Erase(const char *File, std::string Pkg, std::string Ver, struct stat &St) {
3728             unlink(File);
3729         }
3730     } cleaner;
3731
3732     if ([self popErrorWithTitle:title forOperation:cleaner.Go(_config->FindDir("Dir::Cache::Archives") + "partial/", cache_)])
3733         return false;
3734
3735     return true;
3736 }
3737
3738 - (bool) prepare {
3739     fetcher_->Shutdown();
3740
3741     pkgRecords records(cache_);
3742
3743     lock_ = new FileFd();
3744     lock_->Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3745
3746     NSString *title(UCLocalize("PREPARE_ARCHIVES"));
3747
3748     if ([self popErrorWithTitle:title])
3749         return false;
3750
3751     pkgSourceList list;
3752     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3753         return false;
3754
3755     manager_ = (_system->CreatePM(cache_));
3756     if ([self popErrorWithTitle:title forOperation:manager_->GetArchives(fetcher_, &list, &records)])
3757         return false;
3758
3759     return true;
3760 }
3761
3762 - (void) perform {
3763     bool substrate(RestartSubstrate_);
3764     RestartSubstrate_ = false;
3765
3766     NSString *title(UCLocalize("PERFORM_SELECTIONS"));
3767
3768     NSMutableArray *before = [NSMutableArray arrayWithCapacity:16]; {
3769         pkgSourceList list;
3770         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3771             return;
3772         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3773             [before addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3774     }
3775
3776     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3777
3778     if (fetcher_->Run(PulseInterval_) != pkgAcquire::Continue) {
3779         _trace();
3780         [self popErrorWithTitle:title];
3781         return;
3782     }
3783
3784     bool failed = false;
3785     for (pkgAcquire::ItemIterator item = fetcher_->ItemsBegin(); item != fetcher_->ItemsEnd(); item++) {
3786         if ((*item)->Status == pkgAcquire::Item::StatDone && (*item)->Complete)
3787             continue;
3788         if ((*item)->Status == pkgAcquire::Item::StatIdle)
3789             continue;
3790
3791         failed = true;
3792     }
3793
3794     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3795
3796     if (failed) {
3797         _trace();
3798         return;
3799     }
3800
3801     if (substrate)
3802         RestartSubstrate_ = true;
3803
3804     _system->UnLock();
3805     pkgPackageManager::OrderResult result = manager_->DoInstall(statusfd_);
3806
3807     if (_error->PendingError()) {
3808         _trace();
3809         return;
3810     }
3811
3812     if (result == pkgPackageManager::Failed) {
3813         _trace();
3814         return;
3815     }
3816
3817     if (result != pkgPackageManager::Completed) {
3818         _trace();
3819         return;
3820     }
3821
3822     NSMutableArray *after = [NSMutableArray arrayWithCapacity:16]; {
3823         pkgSourceList list;
3824         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3825             return;
3826         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3827             [after addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3828     }
3829
3830     if (![before isEqualToArray:after])
3831         [self update];
3832 }
3833
3834 - (bool) upgrade {
3835     NSString *title(UCLocalize("UPGRADE"));
3836     if ([self popErrorWithTitle:title forOperation:pkgDistUpgrade(cache_)])
3837         return false;
3838     return true;
3839 }
3840
3841 - (void) update {
3842     [self updateWithStatus:status_];
3843 }
3844
3845 - (void) updateWithStatus:(Status &)status {
3846     NSString *title(UCLocalize("REFRESHING_DATA"));
3847
3848     pkgSourceList list;
3849     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3850         return;
3851
3852     FileFd lock;
3853     lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
3854     if ([self popErrorWithTitle:title])
3855         return;
3856
3857     bool success(ListUpdate(status, list, PulseInterval_));
3858     if (status.WasCancelled())
3859         _error->Discard();
3860     else
3861         [self popErrorWithTitle:title forOperation:success];
3862
3863     [Metadata_ setObject:[NSDate date] forKey:@"LastUpdate"];
3864     Changed_ = true;
3865 }
3866
3867 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate {
3868     delegate_ = delegate;
3869 }
3870
3871 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate {
3872     progress_ = delegate;
3873     status_.setDelegate(delegate);
3874 }
3875
3876 - (NSObject<ProgressDelegate> *) progressDelegate {
3877     return progress_;
3878 }
3879
3880 - (Source *) getSource:(pkgCache::PkgFileIterator)file {
3881     SourceMap::const_iterator i(sourceMap_.find(file->ID));
3882     return i == sourceMap_.end() ? nil : i->second;
3883 }
3884
3885 - (NSString *) mappedSectionForPointer:(const char *)section {
3886     _H<NSString> *mapped;
3887
3888     _profile(Database$mappedSectionForPointer$Cache)
3889         mapped = &sections_[section];
3890     _end
3891
3892     if (*mapped == NULL) {
3893         size_t length(strlen(section));
3894         char spaced[length + 1];
3895
3896         _profile(Database$mappedSectionForPointer$Replace)
3897             for (size_t index(0); index != length; ++index)
3898                 spaced[index] = section[index] == '_' ? ' ' : section[index];
3899             spaced[length] = '\0';
3900         _end
3901
3902         NSString *string;
3903
3904         _profile(Database$mappedSectionForPointer$stringWithUTF8String)
3905             string = [NSString stringWithUTF8String:spaced];
3906         _end
3907
3908         _profile(Database$mappedSectionForPointer$Map)
3909             string = [SectionMap_ objectForKey:string] ?: string;
3910         _end
3911
3912         *mapped = string;
3913     } return *mapped;
3914 }
3915
3916 @end
3917 /* }}} */
3918
3919 /* Web Scripting {{{ */
3920 @interface CydiaObject : NSObject {
3921     id indirect_;
3922     _transient id delegate_;
3923 }
3924
3925 - (id) initWithDelegate:(IndirectDelegate *)indirect;
3926
3927 @end
3928
3929 @implementation CydiaObject
3930
3931 - (void) dealloc {
3932     [indirect_ release];
3933     [super dealloc];
3934 }
3935
3936 - (id) initWithDelegate:(IndirectDelegate *)indirect {
3937     if ((self = [super init]) != nil) {
3938         indirect_ = [indirect retain];
3939     } return self;
3940 }
3941
3942 - (void) setDelegate:(id)delegate {
3943     delegate_ = delegate;
3944 }
3945
3946 + (NSArray *) _attributeKeys {
3947     return [NSArray arrayWithObjects:
3948         @"device",
3949         @"ecid",
3950         @"model",
3951         @"plmn",
3952         @"role",
3953         @"serial",
3954     nil];
3955 }
3956
3957 - (NSArray *) attributeKeys {
3958     return [[self class] _attributeKeys];
3959 }
3960
3961 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
3962     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
3963 }
3964
3965 - (NSString *) device {
3966     return [[UIDevice currentDevice] uniqueIdentifier];
3967 }
3968
3969 - (NSString *) plmn {
3970     return PLMN_;
3971 }
3972
3973 - (NSString *) ecid {
3974     return ChipID_;
3975 }
3976
3977 - (NSString *) serial {
3978     return SerialNumber_;
3979 }
3980
3981 - (NSString *) role {
3982     return Role_;
3983 }
3984
3985 - (NSString *) model {
3986     return [NSString stringWithUTF8String:Machine_];
3987 }
3988
3989 + (NSString *) webScriptNameForSelector:(SEL)selector {
3990     if (false);
3991     else if (selector == @selector(addTrivialSource:))
3992         return @"addTrivialSource";
3993     else if (selector == @selector(close))
3994         return @"close";
3995     else if (selector == @selector(du:))
3996         return @"du";
3997     else if (selector == @selector(stringWithFormat:arguments:))
3998         return @"format";
3999     else if (selector == @selector(getAllSources))
4000         return @"getAllSourcs";
4001     else if (selector == @selector(getKernelNumber:))
4002         return @"getKernelNumber";
4003     else if (selector == @selector(getKernelString:))
4004         return @"getKernelString";
4005     else if (selector == @selector(getInstalledPackages))
4006         return @"getInstalledPackages";
4007     else if (selector == @selector(getPackageById:))
4008         return @"getPackageById";
4009     else if (selector == @selector(installPackages:))
4010         return @"installPackages";
4011     else if (selector == @selector(localizedStringForKey:value:table:))
4012         return @"localize";
4013     else if (selector == @selector(refreshSources))
4014         return @"refreshSources";
4015     else if (selector == @selector(removeButton))
4016         return @"removeButton";
4017     else if (selector == @selector(scrollToBottom:))
4018         return @"scrollToBottom";
4019     else if (selector == @selector(setButtonImage:withStyle:toFunction:))
4020         return @"setButtonImage";
4021     else if (selector == @selector(setButtonTitle:withStyle:toFunction:))
4022         return @"setButtonTitle";
4023     else if (selector == @selector(setPopupHook:))
4024         return @"setPopupHook";
4025     else if (selector == @selector(setToken:))
4026         return @"setToken";
4027     else if (selector == @selector(setViewportWidth:))
4028         return @"setViewportWidth";
4029     else if (selector == @selector(statfs:))
4030         return @"statfs";
4031     else if (selector == @selector(supports:))
4032         return @"supports";
4033     else
4034         return nil;
4035 }
4036
4037 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
4038     return [self webScriptNameForSelector:selector] == nil;
4039 }
4040
4041 - (BOOL) supports:(NSString *)feature {
4042     return [feature isEqualToString:@"window.open"];
4043 }
4044
4045 - (NSNumber *) getKernelNumber:(NSString *)name {
4046     const char *string([name UTF8String]);
4047
4048     size_t size;
4049     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4050         return (id) [NSNull null];
4051
4052     if (size != sizeof(int))
4053         return (id) [NSNull null];
4054
4055     int value;
4056     if (sysctlbyname(string, &value, &size, NULL, 0) == -1)
4057         return (id) [NSNull null];
4058
4059     return [NSNumber numberWithInt:value];
4060 }
4061
4062 - (NSString *) getKernelString:(NSString *)name {
4063     const char *string([name UTF8String]);
4064
4065     size_t size;
4066     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4067         return (id) [NSNull null];
4068
4069     char value[size + 1];
4070     if (sysctlbyname(string, value, &size, NULL, 0) == -1)
4071         return (id) [NSNull null];
4072
4073     // XXX: just in case you request something ludicrous
4074     value[size] = '\0';
4075
4076     return [NSString stringWithCString:value];
4077 }
4078
4079 - (void) addTrivialSource:(NSString *)href {
4080     [delegate_ performSelectorOnMainThread:@selector(addTrivialSource:) withObject:href waitUntilDone:NO];
4081 }
4082
4083 - (void) refreshSources {
4084     [delegate_ performSelectorOnMainThread:@selector(syncData) withObject:nil waitUntilDone:NO];
4085 }
4086
4087 - (NSArray *) getAllSources {
4088     return [[Database sharedInstance] sources];
4089 }
4090
4091 - (NSArray *) getInstalledPackages {
4092     Database *database([Database sharedInstance]);
4093 @synchronized (database) {
4094     NSArray *packages([database packages]);
4095     NSMutableArray *installed([NSMutableArray arrayWithCapacity:1024]);
4096     for (Package *package in packages)
4097         if (![package uninstalled])
4098             [installed addObject:package];
4099     return installed;
4100 } }
4101
4102 - (Package *) getPackageById:(NSString *)id {
4103     Package *package([[Database sharedInstance] packageWithName:id]);
4104     [package parse];
4105     return package;
4106 }
4107
4108 - (NSArray *) statfs:(NSString *)path {
4109     struct statfs stat;
4110
4111     if (path == nil || statfs([path UTF8String], &stat) == -1)
4112         return nil;
4113
4114     return [NSArray arrayWithObjects:
4115         [NSNumber numberWithUnsignedLong:stat.f_bsize],
4116         [NSNumber numberWithUnsignedLong:stat.f_blocks],
4117         [NSNumber numberWithUnsignedLong:stat.f_bfree],
4118     nil];
4119 }
4120
4121 - (NSNumber *) du:(NSString *)path {
4122     NSNumber *value(nil);
4123
4124     int fds[2];
4125     _assert(pipe(fds) != -1);
4126
4127     pid_t pid(ExecFork());
4128     if (pid == 0) {
4129         _assert(dup2(fds[1], 1) != -1);
4130         _assert(close(fds[0]) != -1);
4131         _assert(close(fds[1]) != -1);
4132         /* XXX: this should probably not use du */
4133         execl("/usr/libexec/cydia/du", "du", "-s", [path UTF8String], NULL);
4134         exit(1);
4135         _assert(false);
4136     }
4137
4138     _assert(close(fds[1]) != -1);
4139
4140     if (FILE *du = fdopen(fds[0], "r")) {
4141         char line[1024];
4142         while (fgets(line, sizeof(line), du) != NULL) {
4143             size_t length(strlen(line));
4144             while (length != 0 && line[length - 1] == '\n')
4145                 line[--length] = '\0';
4146             if (char *tab = strchr(line, '\t')) {
4147                 *tab = '\0';
4148                 value = [NSNumber numberWithUnsignedLong:strtoul(line, NULL, 0)];
4149             }
4150         }
4151
4152         fclose(du);
4153     } else _assert(close(fds[0]));
4154
4155     int status;
4156   wait:
4157     if (waitpid(pid, &status, 0) == -1)
4158         if (errno == EINTR)
4159             goto wait;
4160         else _assert(false);
4161
4162     return value;
4163 }
4164
4165 - (void) close {
4166     [indirect_ performSelectorOnMainThread:@selector(close) withObject:nil waitUntilDone:NO];
4167 }
4168
4169 - (void) installPackages:(NSArray *)packages {
4170     [delegate_ performSelectorOnMainThread:@selector(installPackages:) withObject:packages waitUntilDone:NO];
4171 }
4172
4173 - (void) removeButton {
4174     [indirect_ removeButton];
4175 }
4176
4177 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4178     [indirect_ setButtonImage:button withStyle:style toFunction:function];
4179 }
4180
4181 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4182     [indirect_ setButtonTitle:button withStyle:style toFunction:function];
4183 }
4184
4185 - (void) _setToken:(NSString *)token {
4186     if (Token_ != nil)
4187         [Token_ release];
4188     Token_ = [token retain];
4189
4190     [Metadata_ setObject:Token_ forKey:@"Token"];
4191     Changed_ = true;
4192 }
4193
4194 - (void) setToken:(NSString *)token {
4195     [self performSelectorOnMainThread:@selector(_setToken:) withObject:token waitUntilDone:NO];
4196 }
4197
4198 - (void) setPopupHook:(id)function {
4199     [indirect_ setPopupHook:function];
4200 }
4201
4202 - (void) scrollToBottom:(NSNumber *)animated {
4203     [indirect_ performSelectorOnMainThread:@selector(scrollToBottomAnimated:) withObject:animated waitUntilDone:NO];
4204 }
4205
4206 - (void) setViewportWidth:(float)width {
4207     [indirect_ setViewportWidthOnMainThread:width];
4208 }
4209
4210 - (NSString *) stringWithFormat:(NSString *)format arguments:(WebScriptObject *)arguments {
4211     //NSLog(@"SWF:\"%@\" A:%@", format, [arguments description]);
4212     unsigned count([arguments count]);
4213     id values[count];
4214     for (unsigned i(0); i != count; ++i)
4215         values[i] = [arguments objectAtIndex:i];
4216     return [[[NSString alloc] initWithFormat:format arguments:reinterpret_cast<va_list>(values)] autorelease];
4217 }
4218
4219 - (NSString *) localizedStringForKey:(NSString *)key value:(NSString *)value table:(NSString *)table {
4220     if (reinterpret_cast<id>(value) == [WebUndefined undefined])
4221         value = nil;
4222     if (reinterpret_cast<id>(table) == [WebUndefined undefined])
4223         table = nil;
4224     return [[NSBundle mainBundle] localizedStringForKey:key value:value table:table];
4225 }
4226
4227 @end
4228 /* }}} */
4229
4230 /* @ Loading... Indicator {{{ */
4231 @interface CYLoadingIndicator : UIView {
4232     _H<UIActivityIndicatorView> spinner_;
4233     _H<UILabel> label_;
4234     _H<UIView> container_;
4235 }
4236
4237 @property (readonly, nonatomic) UILabel *label;
4238 @property (readonly, nonatomic) UIActivityIndicatorView *activityIndicatorView;
4239
4240 @end
4241
4242 @implementation CYLoadingIndicator
4243
4244 - (id) initWithFrame:(CGRect)frame {
4245     if ((self = [super initWithFrame:frame]) != nil) {
4246         container_ = [[[UIView alloc] init] autorelease];
4247         [container_ setAutoresizingMask:UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleBottomMargin];
4248
4249         spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray] autorelease];
4250         [spinner_ startAnimating];
4251         [container_ addSubview:spinner_];
4252
4253         label_ = [[[UILabel alloc] init] autorelease];
4254         [label_ setFont:[UIFont boldSystemFontOfSize:15.0f]];
4255         [label_ setBackgroundColor:[UIColor clearColor]];
4256         [label_ setTextColor:[UIColor blackColor]];
4257         [label_ setShadowColor:[UIColor whiteColor]];
4258         [label_ setShadowOffset:CGSizeMake(0, 1)];
4259         [label_ setText:[NSString stringWithFormat:Elision_, UCLocalize("LOADING"), nil]];
4260         [container_ addSubview:label_];
4261
4262         CGSize viewsize = frame.size;
4263         CGSize spinnersize = [spinner_ bounds].size;
4264         CGSize textsize = [[label_ text] sizeWithFont:[label_ font]];
4265         float bothwidth = spinnersize.width + textsize.width + 5.0f;
4266
4267         CGRect containrect = {
4268             CGPointMake(floorf((viewsize.width / 2) - (bothwidth / 2)), floorf((viewsize.height / 2) - (spinnersize.height / 2))),
4269             CGSizeMake(bothwidth, spinnersize.height)
4270         };
4271         CGRect textrect = {
4272             CGPointMake(spinnersize.width + 5.0f, floorf((spinnersize.height / 2) - (textsize.height / 2))),
4273             textsize
4274         };
4275         CGRect spinrect = {
4276             CGPointZero,
4277             spinnersize
4278         };
4279
4280         [container_ setFrame:containrect];
4281         [spinner_ setFrame:spinrect];
4282         [label_ setFrame:textrect];
4283         [self addSubview:container_];
4284     } return self;
4285 }
4286
4287 - (UILabel *) label {
4288     return label_;
4289 }
4290
4291 - (UIActivityIndicatorView *) activityIndicatorView {
4292     return spinner_;
4293 }
4294
4295 @end
4296 /* }}} */
4297 /* Emulated Loading Controller {{{ */
4298 @interface CYEmulatedLoadingController : CYViewController {
4299     _transient Database *database_;
4300     _H<CYLoadingIndicator> indicator_;
4301     _H<UITabBar> tabbar_;
4302     _H<UINavigationBar> navbar_;
4303 }
4304
4305 @end
4306
4307 @implementation CYEmulatedLoadingController
4308
4309 - (id) initWithDatabase:(Database *)database {
4310     if ((self = [super init]) != nil) {
4311         database_ = database;
4312     } return self;
4313 }
4314
4315 - (void) loadView {
4316     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
4317     [[self view] setBackgroundColor:[UIColor pinStripeColor]];
4318
4319     indicator_ = [[[CYLoadingIndicator alloc] initWithFrame:[[self view] bounds]] autorelease];
4320     [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
4321     [[self view] addSubview:indicator_];
4322
4323     tabbar_ = [[[UITabBar alloc] initWithFrame:CGRectMake(0, 0, 0, 49.0f)] autorelease];
4324     [tabbar_ setFrame:CGRectMake(0.0f, [[self view] bounds].size.height - [tabbar_ bounds].size.height, [[self view] bounds].size.width, [tabbar_ bounds].size.height)];
4325     [tabbar_ setAutoresizingMask:UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleWidth];
4326     [[self view] addSubview:tabbar_];
4327
4328     navbar_ = [[[UINavigationBar alloc] initWithFrame:CGRectMake(0, 0, 0, 44.0f)] autorelease];
4329     [navbar_ setFrame:CGRectMake(0.0f, 0.0f, [[self view] bounds].size.width, [navbar_ bounds].size.height)];
4330     [navbar_ setAutoresizingMask:UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleWidth];
4331     [[self view] addSubview:navbar_];
4332 }
4333
4334 - (void) releaseSubviews {
4335     indicator_ = nil;
4336     tabbar_ = nil;
4337     navbar_ = nil;
4338 }
4339
4340 @end
4341 /* }}} */
4342
4343 /* Cydia Browser Controller {{{ */
4344 @interface CYBrowserController : BrowserController {
4345     CydiaObject *cydia_;
4346 }
4347
4348 @end
4349
4350 @implementation CYBrowserController
4351
4352 - (void) dealloc {
4353     [cydia_ release];
4354     [super dealloc];
4355 }
4356
4357 - (NSURL *) navigationURL {
4358     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://url/%@", [[[webview_ request] URL] absoluteString]]];
4359 }
4360
4361 - (void) setHeaders:(NSDictionary *)headers forHost:(NSString *)host {
4362 }
4363
4364 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4365     [super webView:view didClearWindowObject:window forFrame:frame];
4366
4367     WebDataSource *source([frame dataSource]);
4368     NSURLResponse *response([source response]);
4369
4370     NSURL *url([response URL]);
4371     NSString *scheme([url scheme]);
4372     NSString *host([url host]);
4373
4374     if ([response isKindOfClass:[NSHTTPURLResponse class]]) {
4375         NSHTTPURLResponse *http((NSHTTPURLResponse *) response);
4376         NSDictionary *headers([http allHeaderFields]);
4377         [self setHeaders:headers forHost:host];
4378     }
4379
4380     if (
4381         [host isEqualToString:@"cydia.saurik.com"] ||
4382         [host hasSuffix:@".cydia.saurik.com"] ||
4383         [scheme isEqualToString:@"file"]
4384     )
4385         [window setValue:cydia_ forKey:@"cydia"];
4386 }
4387
4388 - (void) _setMoreHeaders:(NSMutableURLRequest *)request {
4389     if (System_ != NULL)
4390         [request setValue:System_ forHTTPHeaderField:@"X-System"];
4391     if (Machine_ != NULL)
4392         [request setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
4393     if (Token_ != nil)
4394         [request setValue:Token_ forHTTPHeaderField:@"X-Cydia-Token"];
4395     if (Role_ != nil)
4396         [request setValue:Role_ forHTTPHeaderField:@"X-Role"];
4397 }
4398
4399 - (NSURLRequest *) webView:(WebView *)view resource:(id)resource willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
4400     NSMutableURLRequest *copy([[super webView:view resource:resource willSendRequest:request redirectResponse:response fromDataSource:source] mutableCopy]);
4401     [self _setMoreHeaders:copy];
4402     return copy;
4403 }
4404
4405 - (void) setDelegate:(id)delegate {
4406     [super setDelegate:delegate];
4407     [cydia_ setDelegate:delegate];
4408 }
4409
4410 - (id) init {
4411     if ((self = [super initWithWidth:0 ofClass:[CYBrowserController class]]) != nil) {
4412         cydia_ = [[CydiaObject alloc] initWithDelegate:indirect_];
4413
4414         WebView *webview([[webview_ _documentView] webView]);
4415
4416         Package *package([[Database sharedInstance] packageWithName:@"cydia"]);
4417
4418         NSString *application = package == nil ? @"Cydia" : [NSString
4419             stringWithFormat:@"Cydia/%@",
4420             [package installed]
4421         ];
4422
4423         if (Safari_ != nil)
4424             application = [NSString stringWithFormat:@"Safari/%@ %@", Safari_, application];
4425         if (Build_ != nil)
4426             application = [NSString stringWithFormat:@"Mobile/%@ %@", Build_, application];
4427         if (Product_ != nil)
4428             application = [NSString stringWithFormat:@"Version/%@ %@", Product_, application];
4429
4430         [webview setApplicationNameForUserAgent:application];
4431     } return self;
4432 }
4433
4434 @end
4435 /* }}} */
4436
4437 // CydiaScript {{{
4438 @interface NSObject (CydiaScript)
4439 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context;
4440 @end
4441
4442 @implementation NSObject (CydiaScript)
4443
4444 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4445     return self;
4446 }
4447
4448 @end
4449
4450 @implementation NSArray (CydiaScript)
4451
4452 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4453     WebScriptObject *object([context evaluateWebScript:@"[]"]);
4454     for (size_t i(0), e([self count]); i != e; ++i)
4455         [object setWebScriptValueAtIndex:i value:[[self objectAtIndex:i] Cydia$webScriptObjectInContext:context]];
4456     return object;
4457 }
4458
4459 @end
4460
4461 @implementation NSDictionary (CydiaScript)
4462
4463 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4464     WebScriptObject *object([context evaluateWebScript:@"({})"]);
4465     for (id i in self)
4466         [object setValue:[[self objectForKey:i] Cydia$webScriptObjectInContext:context] forKey:i];
4467     return object;
4468 }
4469
4470 @end
4471 // }}}
4472
4473 /* Confirmation Controller {{{ */
4474 bool DepSubstrate(const pkgCache::VerIterator &iterator) {
4475     if (!iterator.end())
4476         for (pkgCache::DepIterator dep(iterator.DependsList()); !dep.end(); ++dep) {
4477             if (dep->Type != pkgCache::Dep::Depends && dep->Type != pkgCache::Dep::PreDepends)
4478                 continue;
4479             pkgCache::PkgIterator package(dep.TargetPkg());
4480             if (package.end())
4481                 continue;
4482             if (strcmp(package.Name(), "mobilesubstrate") == 0)
4483                 return true;
4484         }
4485
4486     return false;
4487 }
4488
4489 @protocol ConfirmationControllerDelegate
4490 - (void) cancelAndClear:(bool)clear;
4491 - (void) confirmWithNavigationController:(UINavigationController *)navigation;
4492 - (void) queue;
4493 @end
4494
4495 @interface ConfirmationController : CYBrowserController {
4496     _transient Database *database_;
4497
4498     UIAlertView *essential_;
4499
4500     NSDictionary *changes_;
4501     NSMutableArray *issues_;
4502     NSDictionary *sizes_;
4503
4504     BOOL substrate_;
4505 }
4506
4507 - (id) initWithDatabase:(Database *)database;
4508
4509 @end
4510
4511 @implementation ConfirmationController
4512
4513 - (void) dealloc {
4514     [changes_ release];
4515     [issues_ release];
4516     [sizes_ release];
4517
4518     if (essential_ != nil)
4519         [essential_ release];
4520
4521     [super dealloc];
4522 }
4523
4524 - (void) complete {
4525     if (substrate_)
4526         RestartSubstrate_ = true;
4527     [delegate_ confirmWithNavigationController:[self navigationController]];
4528 }
4529
4530 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
4531     NSString *context([alert context]);
4532
4533     if ([context isEqualToString:@"remove"]) {
4534         if (button == [alert cancelButtonIndex])
4535             [self dismissModalViewControllerAnimated:YES];
4536         else if (button == [alert firstOtherButtonIndex]) {
4537             [self complete];
4538         }
4539
4540         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4541     } else if ([context isEqualToString:@"unable"]) {
4542         [self dismissModalViewControllerAnimated:YES];
4543         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4544     } else {
4545         [super alertView:alert clickedButtonAtIndex:button];
4546     }
4547 }
4548
4549 - (void) _doContinue {
4550     [self dismissModalViewControllerAnimated:YES];
4551     [delegate_ cancelAndClear:NO];
4552 }
4553
4554 - (id) invokeDefaultMethodWithArguments:(NSArray *)args {
4555     [self performSelectorOnMainThread:@selector(_doContinue) withObject:nil waitUntilDone:NO];
4556     return nil;
4557 }
4558
4559 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4560     [super webView:view didClearWindowObject:window forFrame:frame];
4561
4562     [window setValue:[[NSDictionary dictionaryWithObjectsAndKeys:
4563         changes_, @"changes",
4564         issues_, @"issues",
4565         sizes_, @"sizes",
4566         self, @"queue",
4567     nil] Cydia$webScriptObjectInContext:window] forKey:@"cydiaConfirm"];
4568 }
4569
4570 - (id) initWithDatabase:(Database *)database {
4571     if ((self = [super init]) != nil) {
4572         database_ = database;
4573
4574         NSMutableArray *installs([NSMutableArray arrayWithCapacity:16]);
4575         NSMutableArray *reinstalls([NSMutableArray arrayWithCapacity:16]);
4576         NSMutableArray *upgrades([NSMutableArray arrayWithCapacity:16]);
4577         NSMutableArray *downgrades([NSMutableArray arrayWithCapacity:16]);
4578         NSMutableArray *removes([NSMutableArray arrayWithCapacity:16]);
4579
4580         bool remove(false);
4581
4582         pkgCacheFile &cache([database_ cache]);
4583         NSArray *packages([database_ packages]);
4584         pkgDepCache::Policy *policy([database_ policy]);
4585
4586         issues_ = [[NSMutableArray arrayWithCapacity:4] retain];
4587
4588         for (Package *package in packages) {
4589             pkgCache::PkgIterator iterator([package iterator]);
4590             NSString *name([package id]);
4591
4592             if ([package broken]) {
4593                 NSMutableArray *reasons([NSMutableArray arrayWithCapacity:4]);
4594
4595                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4596                     name, @"package",
4597                     reasons, @"reasons",
4598                 nil]];
4599
4600                 pkgCache::VerIterator ver(cache[iterator].InstVerIter(cache));
4601                 if (ver.end())
4602                     continue;
4603
4604                 for (pkgCache::DepIterator dep(ver.DependsList()); !dep.end(); ) {
4605                     pkgCache::DepIterator start;
4606                     pkgCache::DepIterator end;
4607                     dep.GlobOr(start, end); // ++dep
4608
4609                     if (!cache->IsImportantDep(end))
4610                         continue;
4611                     if ((cache[end] & pkgDepCache::DepGInstall) != 0)
4612                         continue;
4613
4614                     NSMutableArray *clauses([NSMutableArray arrayWithCapacity:4]);
4615
4616                     [reasons addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4617                         [NSString stringWithUTF8String:start.DepType()], @"relationship",
4618                         clauses, @"clauses",
4619                     nil]];
4620
4621                     _forever {
4622                         NSString *reason, *installed((NSString *) [WebUndefined undefined]);
4623
4624                         pkgCache::PkgIterator target(start.TargetPkg());
4625                         if (target->ProvidesList != 0)
4626                             reason = @"missing";
4627                         else {
4628                             pkgCache::VerIterator ver(cache[target].InstVerIter(cache));
4629                             if (!ver.end()) {
4630                                 reason = @"installed";
4631                                 installed = [NSString stringWithUTF8String:ver.VerStr()];
4632                             } else if (!cache[target].CandidateVerIter(cache).end())
4633                                 reason = @"uninstalled";
4634                             else if (target->ProvidesList == 0)
4635                                 reason = @"uninstallable";
4636                             else
4637                                 reason = @"virtual";
4638                         }
4639
4640                         NSDictionary *version(start.TargetVer() == 0 ? [NSNull null] : [NSDictionary dictionaryWithObjectsAndKeys:
4641                             [NSString stringWithUTF8String:start.CompType()], @"operator",
4642                             [NSString stringWithUTF8String:start.TargetVer()], @"value",
4643                         nil]);
4644
4645                         [clauses addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4646                             [NSString stringWithUTF8String:start.TargetPkg().Name()], @"package",
4647                             version, @"version",
4648                             reason, @"reason",
4649                             installed, @"installed",
4650                         nil]];
4651
4652                         // yes, seriously. (wtf?)
4653                         if (start == end)
4654                             break;
4655                         ++start;
4656                     }
4657                 }
4658             }
4659
4660             pkgDepCache::StateCache &state(cache[iterator]);
4661
4662             static Pcre special_r("^(firmware$|gsc\\.|cy\\+)");
4663
4664             if (state.NewInstall())
4665                 [installs addObject:name];
4666             else if (!state.Delete() && (state.iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
4667                 [reinstalls addObject:name];
4668             else if (state.Upgrade())
4669                 [upgrades addObject:name];
4670             else if (state.Downgrade())
4671                 [downgrades addObject:name];
4672             else if (!state.Delete())
4673                 continue;
4674             else if (special_r(name))
4675                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4676                     [NSNull null], @"package",
4677                     [NSArray arrayWithObjects:
4678                         [NSDictionary dictionaryWithObjectsAndKeys:
4679                             @"Conflicts", @"relationship",
4680                             [NSArray arrayWithObjects:
4681                                 [NSDictionary dictionaryWithObjectsAndKeys:
4682                                     name, @"package",
4683                                     [NSNull null], @"version",
4684                                     @"installed", @"reason",
4685                                 nil],
4686                             nil], @"clauses",
4687                         nil],
4688                     nil], @"reasons",
4689                 nil]];
4690             else {
4691                 if ([package essential])
4692                     remove = true;
4693                 [removes addObject:name];
4694             }
4695
4696             substrate_ |= DepSubstrate(policy->GetCandidateVer(iterator));
4697             substrate_ |= DepSubstrate(iterator.CurrentVer());
4698         }
4699
4700         if (!remove)
4701             essential_ = nil;
4702         else if (Advanced_) {
4703             NSString *parenthetical(UCLocalize("PARENTHETICAL"));
4704
4705             essential_ = [[UIAlertView alloc]
4706                 initWithTitle:UCLocalize("REMOVING_ESSENTIALS")
4707                 message:UCLocalize("REMOVING_ESSENTIALS_EX")
4708                 delegate:self
4709                 cancelButtonTitle:[NSString stringWithFormat:parenthetical, UCLocalize("CANCEL_OPERATION"), UCLocalize("SAFE")]
4710                 otherButtonTitles:
4711                     [NSString stringWithFormat:parenthetical, UCLocalize("FORCE_REMOVAL"), UCLocalize("UNSAFE")],
4712                 nil
4713             ];
4714
4715             [essential_ setContext:@"remove"];
4716         } else {
4717             essential_ = [[UIAlertView alloc]
4718                 initWithTitle:UCLocalize("UNABLE_TO_COMPLY")
4719                 message:UCLocalize("UNABLE_TO_COMPLY_EX")
4720                 delegate:self
4721                 cancelButtonTitle:UCLocalize("OKAY")
4722                 otherButtonTitles:nil
4723             ];
4724
4725             [essential_ setContext:@"unable"];
4726         }
4727
4728         changes_ = [[NSDictionary alloc] initWithObjectsAndKeys:
4729             installs, @"installs",
4730             reinstalls, @"reinstalls",
4731             upgrades, @"upgrades",
4732             downgrades, @"downgrades",
4733             removes, @"removes",
4734         nil];
4735
4736         sizes_ = [[NSDictionary alloc] initWithObjectsAndKeys:
4737             [NSNumber numberWithInteger:[database_ fetcher].FetchNeeded()], @"downloading",
4738             [NSNumber numberWithInteger:[database_ fetcher].PartialPresent()], @"resuming",
4739         nil];
4740
4741         [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/confirm/", UI_]]];
4742
4743         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
4744             initWithTitle:UCLocalize("CANCEL")
4745             style:UIBarButtonItemStylePlain
4746             target:self
4747             action:@selector(cancelButtonClicked)
4748         ] autorelease]];
4749     } return self;
4750 }
4751
4752 #if !AlwaysReload
4753 - (void) applyRightButton {
4754     if ([issues_ count] == 0 && ![self isLoading])
4755         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
4756             initWithTitle:UCLocalize("CONFIRM")
4757             style:UIBarButtonItemStyleDone
4758             target:self
4759             action:@selector(confirmButtonClicked)
4760         ] autorelease]];
4761     else
4762         [[self navigationItem] setRightBarButtonItem:nil];
4763 }
4764 #endif
4765
4766 - (void) cancelButtonClicked {
4767     [self dismissModalViewControllerAnimated:YES];
4768     [delegate_ cancelAndClear:YES];
4769 }
4770
4771 #if !AlwaysReload
4772 - (void) confirmButtonClicked {
4773     if (essential_ != nil)
4774         [essential_ show];
4775     else
4776         [self complete];
4777 }
4778 #endif
4779
4780 @end
4781 /* }}} */
4782
4783 /* Progress Controller {{{ */
4784 @interface ProgressController : CYViewController <
4785     ProgressDelegate
4786 > {
4787     _transient Database *database_;
4788     UIProgressBar *progress_;
4789     UITextView *output_;
4790     UITextLabel *status_;
4791     UIPushButton *close_;
4792     _H<NSString> title_;
4793 }
4794
4795 - (id) initWithDatabase:(Database *)database delegate:(id)delegate;
4796
4797 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title;
4798
4799 - (void) setTitle:(NSString *)title;
4800
4801 @end
4802
4803 @implementation ProgressController
4804
4805 - (void) dealloc {
4806     [database_ setProgressDelegate:nil];
4807     [progress_ release];
4808     [output_ release];
4809     [status_ release];
4810     [close_ release];
4811     [super dealloc];
4812 }
4813
4814 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
4815     if ((self = [super init]) != nil) {
4816         database_ = database;
4817         delegate_ = delegate;
4818
4819         [database_ setProgressDelegate:self];
4820
4821         [[self view] setBackgroundColor:[UIColor colorWithRed:0.0f green:0.0f blue:0.0f alpha:1.0f]];
4822
4823         progress_ = [[UIProgressBar alloc] init];
4824         [progress_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin)];
4825         [progress_ setStyle:0];
4826
4827         status_ = [[UITextLabel alloc] init];
4828         [status_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin)];
4829         [status_ setColor:[UIColor whiteColor]];
4830         [status_ setBackgroundColor:[UIColor clearColor]];
4831         [status_ setCentersHorizontally:YES];
4832         //[status_ setFont:font];
4833
4834         output_ = [[UITextView alloc] init];
4835         [output_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
4836         //[output_ setTextFont:@"Courier New"];
4837         [output_ setFont:[[output_ font] fontWithSize:12]];
4838         [output_ setTextColor:[UIColor whiteColor]];
4839         [output_ setBackgroundColor:[UIColor clearColor]];
4840         [output_ setMarginTop:0];
4841         [output_ setAllowsRubberBanding:YES];
4842         [output_ setEditable:NO];
4843         [[self view] addSubview:output_];
4844
4845         close_ = [[UIPushButton alloc] init];
4846         [close_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin)];
4847         [close_ setAutosizesToFit:NO];
4848         [close_ setDrawsShadow:YES];
4849         [close_ setStretchBackground:YES];
4850         [close_ setEnabled:YES];
4851         [close_ setTitleFont:[UIFont boldSystemFontOfSize:22]];
4852         [close_ addTarget:self action:@selector(closeButtonPushed) forEvents:UIControlEventTouchUpInside];
4853         [close_ setBackground:[UIImage applicationImageNamed:@"green-up.png"] forState:0];
4854         [close_ setBackground:[UIImage applicationImageNamed:@"green-dn.png"] forState:1];
4855     } return self;
4856 }
4857
4858 - (void) positionViews {
4859     CGRect bounds = [[self view] bounds];
4860     CGSize prgsize = [UIProgressBar defaultSize];
4861
4862     CGRect prgrect = {{
4863         (bounds.size.width - prgsize.width) / 2,
4864         bounds.size.height - prgsize.height - 20
4865     }, prgsize};
4866
4867     float closewidth = std::min(bounds.size.width - 20, 300.0f);
4868
4869     [progress_ setFrame:prgrect];
4870     [status_ setFrame:CGRectMake(
4871         10,
4872         bounds.size.height - prgsize.height - 50,
4873         bounds.size.width - 20,
4874         24
4875     )];
4876     [output_ setFrame:CGRectMake(
4877         10,
4878         20,
4879         bounds.size.width - 20,
4880         bounds.size.height - 96
4881     )];
4882     [close_ setFrame:CGRectMake(
4883         (bounds.size.width - closewidth) / 2,
4884         bounds.size.height - prgsize.height - 50,
4885         closewidth,
4886         32 + prgsize.height
4887     )];
4888 }
4889
4890 - (void) viewWillAppear:(BOOL)animated {
4891     [super viewDidAppear:animated];
4892     [[self navigationItem] setHidesBackButton:YES];
4893     [[[self navigationController] navigationBar] setBarStyle:UIBarStyleBlack];
4894
4895     [self positionViews];
4896 }
4897
4898 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
4899     [self positionViews];
4900 }
4901
4902 - (void) closeButtonPushed {
4903     UpdateExternalStatus(0);
4904
4905     switch (Finish_) {
4906         case 0:
4907             [self dismissModalViewControllerAnimated:YES];
4908         break;
4909
4910         case 1:
4911             [delegate_ terminateWithSuccess];
4912             /*if ([delegate_ respondsToSelector:@selector(suspendWithAnimation:)])
4913                 [delegate_ suspendWithAnimation:YES];
4914             else
4915                 [delegate_ suspend];*/
4916         break;
4917
4918         case 2:
4919             _trace();
4920             goto reload;
4921
4922         case 3:
4923             _trace();
4924             goto reload;
4925
4926         reload:
4927             system("/usr/bin/sbreload");
4928             _trace();
4929         break;
4930
4931         case 4:
4932             _trace();
4933             if (void (*SBReboot)(mach_port_t) = reinterpret_cast<void (*)(mach_port_t)>(dlsym(RTLD_DEFAULT, "SBReboot")))
4934                 SBReboot(SBSSpringBoardServerPort());
4935             else
4936                 reboot2(RB_AUTOBOOT);
4937         break;
4938     }
4939 }
4940
4941 - (void) setTitle:(NSString *)title {
4942     title_ = title;
4943     [[self navigationItem] setTitle:title];
4944 }
4945
4946 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title {
4947     UpdateExternalStatus(1);
4948
4949     [self setTitle:title];
4950
4951     [status_ setText:nil];
4952     [output_ setText:@""];
4953     [progress_ setProgress:0];
4954
4955     [close_ removeFromSuperview];
4956     [[self view] addSubview:progress_];
4957     [[self view] addSubview:status_];
4958
4959     [delegate_ retainNetworkActivityIndicator];
4960
4961     SHA1SumValue notifyconf; {
4962         FileFd file;
4963         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
4964             _error->Discard();
4965         else {
4966             MMap mmap(file, MMap::ReadOnly);
4967             SHA1Summation sha1;
4968             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
4969             notifyconf = sha1.Result();
4970         }
4971     }
4972
4973     SHA1SumValue springlist; {
4974         FileFd file;
4975         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
4976             _error->Discard();
4977         else {
4978             MMap mmap(file, MMap::ReadOnly);
4979             SHA1Summation sha1;
4980             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
4981             springlist = sha1.Result();
4982         }
4983     }
4984
4985     if (invocation != nil) {
4986         [invocation yieldToSelector:@selector(invoke)];
4987         [[self navigationItem] setTitle:UCLocalize("COMPLETE")];
4988     }
4989
4990     [[self view] addSubview:close_];
4991     [progress_ removeFromSuperview];
4992     [status_ removeFromSuperview];
4993
4994     if (Finish_ < 4) {
4995         FileFd file;
4996         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
4997             _error->Discard();
4998         else {
4999             MMap mmap(file, MMap::ReadOnly);
5000             SHA1Summation sha1;
5001             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5002             if (!(notifyconf == sha1.Result()))
5003                 Finish_ = 4;
5004         }
5005     }
5006
5007     if (Finish_ < 3) {
5008         FileFd file;
5009         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5010             _error->Discard();
5011         else {
5012             MMap mmap(file, MMap::ReadOnly);
5013             SHA1Summation sha1;
5014             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5015             if (!(springlist == sha1.Result()))
5016                 Finish_ = 3;
5017         }
5018     }
5019
5020     if (Finish_ < 2) {
5021         if (RestartSubstrate_)
5022             Finish_ = 2;
5023     }
5024
5025     RestartSubstrate_ = false;
5026
5027     switch (Finish_) {
5028         case 0: [close_ setTitle:UCLocalize("RETURN_TO_CYDIA")]; break; /* XXX: Maybe UCLocalize("DONE")? */
5029         case 1: [close_ setTitle:UCLocalize("CLOSE_CYDIA")]; break;
5030         case 2: [close_ setTitle:UCLocalize("RESTART_SPRINGBOARD")]; break;
5031         case 3: [close_ setTitle:UCLocalize("RELOAD_SPRINGBOARD")]; break;
5032         case 4: [close_ setTitle:UCLocalize("REBOOT_DEVICE")]; break;
5033     }
5034
5035     _trace();
5036     system("su -c /usr/bin/uicache mobile");
5037     _trace();
5038
5039     UpdateExternalStatus(Finish_ == 0 ? 0 : 2);
5040
5041     [delegate_ releaseNetworkActivityIndicator];
5042 }
5043
5044 - (void) addProgressEvent:(CydiaProgressEvent *)event {
5045     NSString *type([event type]);
5046
5047     if ([type isEqualToString:@"ERROR"] || [type isEqualToString:@"WARNING"]) {
5048         CYAlertView *sheet([[[CYAlertView alloc]
5049             initWithTitle:[event compoundTitle]
5050             buttons:[NSArray arrayWithObjects:UCLocalize("OKAY"), nil]
5051             defaultButtonIndex:0
5052         ] autorelease]);
5053
5054         [sheet setMessage:[event message]];
5055         [sheet yieldToPopupAlertAnimated:YES];
5056         [sheet dismiss];
5057     } else if ([type isEqualToString:@"INFORMATION"]) {
5058         [output_ setText:[NSString stringWithFormat:@"%@\n%@", [output_ text], [event message]]];
5059         CGSize size = [output_ contentSize];
5060         CGPoint offset = [output_ contentOffset];
5061         if (size.height - offset.y < [output_ frame].size.height + 20.f) {
5062             CGRect rect = {{0, size.height-1}, {size.width, 1}};
5063             [output_ scrollRectToVisible:rect animated:YES];
5064         }
5065     } else if ([type isEqualToString:@"STATUS"]) {
5066         NSMutableArray *words([[[event message] componentsSeparatedByString:@" "] mutableCopy]);
5067         for (size_t i(0), e([words count]); i != e; ++i) {
5068             NSString *word([words objectAtIndex:i]);
5069             if (Package *package = [database_ packageWithName:word])
5070                 [words replaceObjectAtIndex:i withObject:[package name]];
5071         }
5072
5073         [status_ setText:[words componentsJoinedByString:@" "]];
5074     } else _assert(false);
5075 }
5076
5077 - (bool) isProgressCancelled {
5078     return false;
5079 }
5080
5081 - (void) setProgressPercent:(NSNumber *)percent {
5082     [progress_ setProgress:[percent floatValue]];
5083 }
5084
5085 @end
5086 /* }}} */
5087
5088 /* Cell Content View {{{ */
5089 @protocol ContentDelegate
5090 - (void) drawContentRect:(CGRect)rect;
5091 @end
5092
5093 @interface ContentView : UIView {
5094     _transient id<ContentDelegate> delegate_;
5095 }
5096
5097 @end
5098
5099 @implementation ContentView
5100
5101 - (id) initWithFrame:(CGRect)frame {
5102     if ((self = [super initWithFrame:frame]) != nil) {
5103         [self setNeedsDisplayOnBoundsChange:YES];
5104     } return self;
5105 }
5106
5107 - (void) setDelegate:(id<ContentDelegate>)delegate {
5108     delegate_ = delegate;
5109 }
5110
5111 - (void) drawRect:(CGRect)rect {
5112     [super drawRect:rect];
5113     [delegate_ drawContentRect:rect];
5114 }
5115
5116 @end
5117 /* }}} */
5118 /* Cydia TableView Cell {{{ */
5119 @interface CYTableViewCell : UITableViewCell {
5120     ContentView *content_;
5121     bool highlighted_;
5122 }
5123
5124 @end
5125
5126 @implementation CYTableViewCell
5127
5128 - (void) dealloc {
5129     [content_ release];
5130     [super dealloc];
5131 }
5132
5133 - (void) _updateHighlightColorsForView:(id)view highlighted:(BOOL)highlighted {
5134     //NSLog(@"_updateHighlightColorsForView:%@ highlighted:%s [content_=%@]", view, highlighted ? "YES" : "NO", content_);
5135
5136     if (view == content_) {
5137         //NSLog(@"_updateHighlightColorsForView:content_ highlighted:%s", highlighted ? "YES" : "NO", content_);
5138         highlighted_ = highlighted;
5139     }
5140
5141     [super _updateHighlightColorsForView:view highlighted:highlighted];
5142 }
5143
5144 - (void) setSelected:(BOOL)selected animated:(BOOL)animated {
5145     //NSLog(@"setSelected:%s animated:%s", selected ? "YES" : "NO", animated ? "YES" : "NO");
5146     highlighted_ = selected;
5147
5148     [super setSelected:selected animated:animated];
5149     [content_ setNeedsDisplay];
5150 }
5151
5152 @end
5153 /* }}} */
5154
5155 /* Package Cell {{{ */
5156 @interface PackageCell : CYTableViewCell <
5157     ContentDelegate
5158 > {
5159     UIImage *icon_;
5160     NSString *name_;
5161     NSString *description_;
5162     bool commercial_;
5163     NSString *source_;
5164     UIImage *badge_;
5165     Package *package_;
5166     UIImage *placard_;
5167 }
5168
5169 - (PackageCell *) init;
5170 - (void) setPackage:(Package *)package;
5171
5172 - (void) drawContentRect:(CGRect)rect;
5173
5174 @end
5175
5176 @implementation PackageCell
5177
5178 - (void) clearPackage {
5179     if (icon_ != nil) {
5180         [icon_ release];
5181         icon_ = nil;
5182     }
5183
5184     if (name_ != nil) {
5185         [name_ release];
5186         name_ = nil;
5187     }
5188
5189     if (description_ != nil) {
5190         [description_ release];
5191         description_ = nil;
5192     }
5193
5194     if (source_ != nil) {
5195         [source_ release];
5196         source_ = nil;
5197     }
5198
5199     if (badge_ != nil) {
5200         [badge_ release];
5201         badge_ = nil;
5202     }
5203
5204     if (placard_ != nil) {
5205         [placard_ release];
5206         placard_ = nil;
5207     }
5208
5209     [package_ release];
5210     package_ = nil;
5211 }
5212
5213 - (void) dealloc {
5214     [self clearPackage];
5215     [super dealloc];
5216 }
5217
5218 - (PackageCell *) init {
5219     CGRect frame(CGRectMake(0, 0, 320, 74));
5220     if ((self = [super initWithFrame:frame reuseIdentifier:@"Package"]) != nil) {
5221         UIView *content([self contentView]);
5222         CGRect bounds([content bounds]);
5223
5224         content_ = [[ContentView alloc] initWithFrame:bounds];
5225         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5226         [content addSubview:content_];
5227
5228         [content_ setDelegate:self];
5229         [content_ setOpaque:YES];
5230     } return self;
5231 }
5232
5233 - (NSString *) accessibilityLabel {
5234     return [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), name_, description_];
5235 }
5236
5237 - (void) setPackage:(Package *)package {
5238     [self clearPackage];
5239     [package parse];
5240
5241     Source *source = [package source];
5242
5243     icon_ = [[package icon] retain];
5244     name_ = [[package name] retain];
5245
5246     if (IsWildcat_)
5247         description_ = [package longDescription];
5248     if (description_ == nil)
5249         description_ = [package shortDescription];
5250     if (description_ != nil)
5251         description_ = [description_ retain];
5252
5253     commercial_ = [package isCommercial];
5254
5255     package_ = [package retain];
5256
5257     NSString *label = nil;
5258     bool trusted = false;
5259
5260     if (source != nil) {
5261         label = [source label];
5262         trusted = [source trusted];
5263     } else if ([[package id] isEqualToString:@"firmware"])
5264         label = UCLocalize("APPLE");
5265     else
5266         label = [NSString stringWithFormat:UCLocalize("SLASH_DELIMITED"), UCLocalize("UNKNOWN"), UCLocalize("LOCAL")];
5267
5268     NSString *from(label);
5269
5270     NSString *section = [package simpleSection];
5271     if (section != nil && ![section isEqualToString:label]) {
5272         section = [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
5273         from = [NSString stringWithFormat:UCLocalize("PARENTHETICAL"), from, section];
5274     }
5275
5276     from = [NSString stringWithFormat:UCLocalize("FROM"), from];
5277     source_ = [from retain];
5278
5279     if (NSString *purpose = [package primaryPurpose])
5280         if ((badge_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Purposes/%@.png", App_, purpose]]) != nil)
5281             badge_ = [badge_ retain];
5282
5283     UIColor *color;
5284     NSString *placard;
5285
5286     if (NSString *mode = [package_ mode]) {
5287         if ([mode isEqualToString:@"REMOVE"] || [mode isEqualToString:@"PURGE"]) {
5288             color = RemovingColor_;
5289             //placard = @"removing";
5290         } else {
5291             color = InstallingColor_;
5292             //placard = @"installing";
5293         }
5294
5295         // XXX: the removing/installing placards are not @2x
5296         placard = nil;
5297     } else {
5298         color = [UIColor whiteColor];
5299
5300         if ([package installed] != nil)
5301             placard = @"installed";
5302         else
5303             placard = nil;
5304     }
5305
5306     [content_ setBackgroundColor:color];
5307
5308     if (placard != nil)
5309         if ((placard_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/%@.png", App_, placard]]) != nil)
5310             placard_ = [placard_ retain];
5311
5312     [self setNeedsDisplay];
5313     [content_ setNeedsDisplay];
5314 }
5315
5316 - (void) drawContentRect:(CGRect)rect {
5317     bool highlighted(highlighted_);
5318     float width([self bounds].size.width);
5319
5320 #if 0
5321     CGContextRef context(UIGraphicsGetCurrentContext());
5322     [([[self selectedBackgroundView] superview] != nil ? [UIColor clearColor] : [self backgroundColor]) set];
5323     CGContextFillRect(context, rect);
5324 #endif
5325
5326     if (icon_ != nil) {
5327         CGRect rect;
5328         rect.size = [icon_ size];
5329
5330         rect.size.width /= 2;
5331         rect.size.height /= 2;
5332
5333         rect.origin.x = 25 - rect.size.width / 2;
5334         rect.origin.y = 25 - rect.size.height / 2;
5335
5336         [icon_ drawInRect:rect];
5337     }
5338
5339     if (badge_ != nil) {
5340         CGRect rect;
5341         rect.size = [badge_ size];
5342
5343         rect.size.width /= 2;
5344         rect.size.height /= 2;
5345
5346         rect.origin.x = 36 - rect.size.width / 2;
5347         rect.origin.y = 36 - rect.size.height / 2;
5348
5349         [badge_ drawInRect:rect];
5350     }
5351
5352     if (highlighted)
5353         UISetColor(White_);
5354
5355     if (!highlighted)
5356         UISetColor(commercial_ ? Purple_ : Black_);
5357     [name_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - (placard_ == nil ? 80 : 106)) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5358     [source_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
5359
5360     if (!highlighted)
5361         UISetColor(commercial_ ? Purplish_ : Gray_);
5362     [description_ drawAtPoint:CGPointMake(12, 46) forWidth:(width - 46) withFont:Font14_ lineBreakMode:UILineBreakModeTailTruncation];
5363
5364     if (placard_ != nil)
5365         [placard_ drawAtPoint:CGPointMake(width - 52, 9)];
5366 }
5367
5368 @end
5369 /* }}} */
5370 /* Section Cell {{{ */
5371 @interface SectionCell : CYTableViewCell <
5372     ContentDelegate
5373 > {
5374     NSString *basic_;
5375     NSString *section_;
5376     NSString *name_;
5377     NSString *count_;
5378     UIImage *icon_;
5379     UISwitch *switch_;
5380     BOOL editing_;
5381 }
5382
5383 - (void) setSection:(Section *)section editing:(BOOL)editing;
5384
5385 @end
5386
5387 @implementation SectionCell
5388
5389 - (void) clearSection {
5390     if (basic_ != nil) {
5391         [basic_ release];
5392         basic_ = nil;
5393     }
5394
5395     if (section_ != nil) {
5396         [section_ release];
5397         section_ = nil;
5398     }
5399
5400     if (name_ != nil) {
5401         [name_ release];
5402         name_ = nil;
5403     }
5404
5405     if (count_ != nil) {
5406         [count_ release];
5407         count_ = nil;
5408     }
5409 }
5410
5411 - (void) dealloc {
5412     [self clearSection];
5413     [icon_ release];
5414     [switch_ release];
5415     [super dealloc];
5416 }
5417
5418 - (id) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
5419     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
5420         icon_ = [[UIImage applicationImageNamed:@"folder.png"] retain];
5421         switch_ = [[UISwitch alloc] initWithFrame:CGRectMake(218, 9, 60, 25)];
5422         [switch_ addTarget:self action:@selector(onSwitch:) forEvents:UIControlEventValueChanged];
5423
5424         UIView *content([self contentView]);
5425         CGRect bounds([content bounds]);
5426
5427         content_ = [[ContentView alloc] initWithFrame:bounds];
5428         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5429         [content addSubview:content_];
5430         [content_ setBackgroundColor:[UIColor whiteColor]];
5431
5432         [content_ setDelegate:self];
5433     } return self;
5434 }
5435
5436 - (void) onSwitch:(id)sender {
5437     NSMutableDictionary *metadata([Sections_ objectForKey:basic_]);
5438     if (metadata == nil) {
5439         metadata = [NSMutableDictionary dictionaryWithCapacity:2];
5440         [Sections_ setObject:metadata forKey:basic_];
5441     }
5442
5443     [metadata setObject:[NSNumber numberWithBool:([switch_ isOn] == NO)] forKey:@"Hidden"];
5444     Changed_ = true;
5445 }
5446
5447 - (void) setSection:(Section *)section editing:(BOOL)editing {
5448     if (editing != editing_) {
5449         if (editing_)
5450             [switch_ removeFromSuperview];
5451         else
5452             [self addSubview:switch_];
5453         editing_ = editing;
5454     }
5455
5456     [self clearSection];
5457
5458     if (section == nil) {
5459         name_ = [UCLocalize("ALL_PACKAGES") retain];
5460         count_ = nil;
5461     } else {
5462         basic_ = [section name];
5463         if (basic_ != nil)
5464             basic_ = [basic_ retain];
5465
5466         section_ = [section localized];
5467         if (section_ != nil)
5468             section_ = [section_ retain];
5469
5470         name_  = [(section_ == nil || [section_ length] == 0 ? UCLocalize("NO_SECTION") : section_) retain];
5471         count_ = [[NSString stringWithFormat:@"%d", [section count]] retain];
5472
5473         if (editing_)
5474             [switch_ setOn:(isSectionVisible(basic_) ? 1 : 0) animated:NO];
5475     }
5476
5477     [self setAccessoryType:editing ? UITableViewCellAccessoryNone : UITableViewCellAccessoryDisclosureIndicator];
5478     [self setSelectionStyle:editing ? UITableViewCellSelectionStyleNone : UITableViewCellSelectionStyleBlue];
5479
5480     [content_ setNeedsDisplay];
5481 }
5482
5483 - (void) setFrame:(CGRect)frame {
5484     [super setFrame:frame];
5485
5486     CGRect rect([switch_ frame]);
5487     [switch_ setFrame:CGRectMake(frame.size.width - 102, 9, rect.size.width, rect.size.height)];
5488 }
5489
5490 - (NSString *) accessibilityLabel {
5491     return name_;
5492 }
5493
5494 - (void) drawContentRect:(CGRect)rect {
5495     bool highlighted(highlighted_ && !editing_);
5496
5497     [icon_ drawInRect:CGRectMake(8, 7, 32, 32)];
5498
5499     if (highlighted)
5500         UISetColor(White_);
5501
5502     float width(rect.size.width);
5503     if (editing_)
5504         width -= 87;
5505
5506     if (!highlighted)
5507         UISetColor(Black_);
5508     [name_ drawAtPoint:CGPointMake(48, 9) forWidth:(width - 70) withFont:Font22Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5509
5510     CGSize size = [count_ sizeWithFont:Font14_];
5511
5512     UISetColor(White_);
5513     if (count_ != nil)
5514         [count_ drawAtPoint:CGPointMake(13 + (29 - size.width) / 2, 16) withFont:Font12Bold_];
5515 }
5516
5517 @end
5518 /* }}} */
5519
5520 /* File Table {{{ */
5521 @interface FileTable : CYViewController <
5522     UITableViewDataSource,
5523     UITableViewDelegate
5524 > {
5525     _transient Database *database_;
5526     Package *package_;
5527     NSString *name_;
5528     NSMutableArray *files_;
5529     UITableView *list_;
5530 }
5531
5532 - (id) initWithDatabase:(Database *)database;
5533 - (void) setPackage:(Package *)package;
5534
5535 @end
5536
5537 @implementation FileTable
5538
5539 - (void) dealloc {
5540     [self releaseSubviews];
5541
5542     [package_ release];
5543     [name_ release];
5544     [files_ release];
5545
5546     [super dealloc];
5547 }
5548
5549 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
5550     return files_ == nil ? 0 : [files_ count];
5551 }
5552
5553 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
5554     return 24.0f;
5555 }*/
5556
5557 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
5558     static NSString *reuseIdentifier = @"Cell";
5559
5560     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
5561     if (cell == nil) {
5562         cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
5563         [cell setFont:[UIFont systemFontOfSize:16]];
5564     }
5565     [cell setText:[files_ objectAtIndex:indexPath.row]];
5566     [cell setSelectionStyle:UITableViewCellSelectionStyleNone];
5567
5568     return cell;
5569 }
5570
5571 - (NSURL *) navigationURL {
5572     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/files", [package_ id]]];
5573 }
5574
5575 - (void) loadView {
5576     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
5577
5578     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds]];
5579     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5580     [list_ setRowHeight:24.0f];
5581     [list_ setDataSource:self];
5582     [list_ setDelegate:self];
5583     [[self view] addSubview:list_];
5584 }
5585
5586 - (void) viewDidLoad {
5587     [[self navigationItem] setTitle:UCLocalize("INSTALLED_FILES")];
5588 }
5589
5590 - (void) releaseSubviews {
5591     [list_ release];
5592     list_ = nil;
5593 }
5594
5595 - (id) initWithDatabase:(Database *)database {
5596     if ((self = [super init]) != nil) {
5597         database_ = database;
5598
5599         files_ = [[NSMutableArray arrayWithCapacity:32] retain];
5600     } return self;
5601 }
5602
5603 - (void) setPackage:(Package *)package {
5604     if (package_ != nil) {
5605         [package_ autorelease];
5606         package_ = nil;
5607     }
5608
5609     if (name_ != nil) {
5610         [name_ release];
5611         name_ = nil;
5612     }
5613
5614     [files_ removeAllObjects];
5615
5616     if (package != nil) {
5617         package_ = [package retain];
5618         name_ = [[package id] retain];
5619
5620         if (NSArray *files = [package files])
5621             [files_ addObjectsFromArray:files];
5622
5623         if ([files_ count] != 0) {
5624             if ([[files_ objectAtIndex:0] isEqualToString:@"/."])
5625                 [files_ removeObjectAtIndex:0];
5626             [files_ sortUsingSelector:@selector(compareByPath:)];
5627
5628             NSMutableArray *stack = [NSMutableArray arrayWithCapacity:8];
5629             [stack addObject:@"/"];
5630
5631             for (int i(0), e([files_ count]); i != e; ++i) {
5632                 NSString *file = [files_ objectAtIndex:i];
5633                 while (![file hasPrefix:[stack lastObject]])
5634                     [stack removeLastObject];
5635                 NSString *directory = [stack lastObject];
5636                 [stack addObject:[file stringByAppendingString:@"/"]];
5637                 [files_ replaceObjectAtIndex:i withObject:[NSString stringWithFormat:@"%*s%@",
5638                     ([stack count] - 2) * 3, "",
5639                     [file substringFromIndex:[directory length]]
5640                 ]];
5641             }
5642         }
5643     }
5644
5645     [list_ reloadData];
5646 }
5647
5648 - (void) reloadData {
5649     [super reloadData];
5650
5651     [self setPackage:[database_ packageWithName:name_]];
5652 }
5653
5654 @end
5655 /* }}} */
5656 /* Package Controller {{{ */
5657 @interface CYPackageController : CYBrowserController <
5658     UIActionSheetDelegate
5659 > {
5660     _transient Database *database_;
5661     Package *package_;
5662     NSString *name_;
5663     bool commercial_;
5664     NSMutableArray *buttons_;
5665     UIBarButtonItem *button_;
5666 }
5667
5668 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name;
5669
5670 @end
5671
5672 @implementation CYPackageController
5673
5674 - (void) dealloc {
5675     if (package_ != nil)
5676         [package_ release];
5677     if (name_ != nil)
5678         [name_ release];
5679
5680     [buttons_ release];
5681
5682     if (button_ != nil)
5683         [button_ release];
5684
5685     [super dealloc];
5686 }
5687
5688 - (NSURL *) navigationURL {
5689     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@", name_]];
5690 }
5691
5692 /* XXX: this is not safe at all... localization of /fail/ */
5693 - (void) _clickButtonWithName:(NSString *)name {
5694     if ([name isEqualToString:UCLocalize("CLEAR")])
5695         [delegate_ clearPackage:package_];
5696     else if ([name isEqualToString:UCLocalize("INSTALL")])
5697         [delegate_ installPackage:package_];
5698     else if ([name isEqualToString:UCLocalize("REINSTALL")])
5699         [delegate_ installPackage:package_];
5700     else if ([name isEqualToString:UCLocalize("REMOVE")])
5701         [delegate_ removePackage:package_];
5702     else if ([name isEqualToString:UCLocalize("UPGRADE")])
5703         [delegate_ installPackage:package_];
5704     else _assert(false);
5705 }
5706
5707 - (void) actionSheet:(UIActionSheet *)sheet clickedButtonAtIndex:(NSInteger)button {
5708     NSString *context([sheet context]);
5709
5710     if ([context isEqualToString:@"modify"]) {
5711         if (button != [sheet cancelButtonIndex]) {
5712             NSString *buttonName = [buttons_ objectAtIndex:button];
5713             [self _clickButtonWithName:buttonName];
5714         }
5715
5716         [sheet dismissWithClickedButtonIndex:-1 animated:YES];
5717     }
5718 }
5719
5720 - (bool) _allowJavaScriptPanel {
5721     return commercial_;
5722 }
5723
5724 #if !AlwaysReload
5725 - (void) _customButtonClicked {
5726     int count([buttons_ count]);
5727     if (count == 0)
5728         return;
5729
5730     if (count == 1)
5731         [self _clickButtonWithName:[buttons_ objectAtIndex:0]];
5732     else {
5733         NSMutableArray *buttons = [NSMutableArray arrayWithCapacity:count];
5734         [buttons addObjectsFromArray:buttons_];
5735
5736         UIActionSheet *sheet = [[[UIActionSheet alloc]
5737             initWithTitle:nil
5738             delegate:self
5739             cancelButtonTitle:nil
5740             destructiveButtonTitle:nil
5741             otherButtonTitles:nil
5742         ] autorelease];
5743
5744         for (NSString *button in buttons) [sheet addButtonWithTitle:button];
5745         if (!IsWildcat_) {
5746            [sheet addButtonWithTitle:UCLocalize("CANCEL")];
5747            [sheet setCancelButtonIndex:[sheet numberOfButtons] - 1];
5748         }
5749         [sheet setContext:@"modify"];
5750
5751         [delegate_ showActionSheet:sheet fromItem:[[self navigationItem] rightBarButtonItem]];
5752     }
5753 }
5754
5755 // We don't want to allow non-commercial packages to do custom things to the install button,
5756 // so it must call customButtonClicked with a custom commercial_ == 1 fallthrough.
5757 - (void) customButtonClicked {
5758     if (commercial_)
5759         [super customButtonClicked];
5760     else
5761         [self _customButtonClicked];
5762 }
5763
5764 - (void) reloadButtonClicked {
5765     // Don't reload a commerical package by tapping the loading button,
5766     // but if it's not an Install button, we should forward it on.
5767     if (![package_ uninstalled])
5768         [self _customButtonClicked];
5769 }
5770
5771 - (void) applyLoadingTitle {
5772     // Don't show "Loading" as the title. Ever.
5773 }
5774
5775 - (UIBarButtonItem *) rightButton {
5776     return button_;
5777 }
5778 #endif
5779
5780 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name {
5781     if ((self = [super init]) != nil) {
5782         database_ = database;
5783         buttons_ = [[NSMutableArray alloc] initWithCapacity:4];
5784         name_ = [[NSString alloc] initWithString:name];
5785         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/package/#!/%@", UI_, name_]]];
5786     } return self;
5787 }
5788
5789 - (void) reloadData {
5790     if (package_ != nil)
5791         [package_ autorelease];
5792     package_ = [database_ packageWithName:name_];
5793
5794     [buttons_ removeAllObjects];
5795
5796     if (package_ != nil) {
5797         [package_ parse];
5798
5799         package_ = [package_ retain];
5800         commercial_ = [package_ isCommercial];
5801
5802         if ([package_ mode] != nil)
5803             [buttons_ addObject:UCLocalize("CLEAR")];
5804         if ([package_ source] == nil);
5805         else if ([package_ upgradableAndEssential:NO])
5806             [buttons_ addObject:UCLocalize("UPGRADE")];
5807         else if ([package_ uninstalled])
5808             [buttons_ addObject:UCLocalize("INSTALL")];
5809         else
5810             [buttons_ addObject:UCLocalize("REINSTALL")];
5811         if (![package_ uninstalled])
5812             [buttons_ addObject:UCLocalize("REMOVE")];
5813     }
5814
5815     if (button_ != nil)
5816         [button_ release];
5817
5818     NSString *title;
5819     switch ([buttons_ count]) {
5820         case 0: title = nil; break;
5821         case 1: title = [buttons_ objectAtIndex:0]; break;
5822         default: title = UCLocalize("MODIFY"); break;
5823     }
5824
5825     button_ = [[UIBarButtonItem alloc]
5826         initWithTitle:title
5827         style:UIBarButtonItemStylePlain
5828         target:self
5829         action:@selector(customButtonClicked)
5830     ];
5831
5832     [super reloadData];
5833 }
5834
5835 - (bool) isLoading {
5836     return commercial_ ? [super isLoading] : false;
5837 }
5838
5839 @end
5840 /* }}} */
5841
5842 /* Package List Controller {{{ */
5843 @interface PackageListController : CYViewController <
5844     UITableViewDataSource,
5845     UITableViewDelegate
5846 > {
5847     _transient Database *database_;
5848     unsigned era_;
5849     NSMutableArray *packages_;
5850     NSMutableArray *sections_;
5851     UITableView *list_;
5852     NSMutableArray *index_;
5853     NSMutableDictionary *indices_;
5854     NSString *title_;
5855 }
5856
5857 - (id) initWithDatabase:(Database *)database title:(NSString *)title;
5858 - (void) setDelegate:(id)delegate;
5859 - (void) resetCursor;
5860
5861 @end
5862
5863 @implementation PackageListController
5864
5865 - (void) dealloc {
5866     [packages_ release];
5867     [sections_ release];
5868     [list_ release];
5869     [index_ release];
5870     [indices_ release];
5871     [title_ release];
5872
5873     [super dealloc];
5874 }
5875
5876 - (void) deselectWithAnimation:(BOOL)animated {
5877     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
5878 }
5879
5880 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration curve:(UIViewAnimationCurve)curve {
5881     CGRect base = [[self view] bounds];
5882     base.size.height -= bounds.size.height;
5883     base.origin = [list_ frame].origin;
5884
5885     [UIView beginAnimations:nil context:NULL];
5886     [UIView setAnimationBeginsFromCurrentState:YES];
5887     [UIView setAnimationCurve:curve];
5888     [UIView setAnimationDuration:duration];
5889     [list_ setFrame:base];
5890     [UIView commitAnimations];
5891 }
5892
5893 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration {
5894     [self resizeForKeyboardBounds:bounds duration:duration curve:UIViewAnimationCurveLinear];
5895 }
5896
5897 - (void) resizeForKeyboardBounds:(CGRect)bounds {
5898     [self resizeForKeyboardBounds:bounds duration:0];
5899 }
5900
5901 - (void) keyboardWillShow:(NSNotification *)notification {
5902     CGRect bounds;
5903     CGPoint center;
5904     NSTimeInterval duration;
5905     UIViewAnimationCurve curve;
5906     [[[notification userInfo] objectForKey:UIKeyboardBoundsUserInfoKey] getValue:&bounds];
5907     [[[notification userInfo] objectForKey:UIKeyboardCenterEndUserInfoKey] getValue:&center];
5908     [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:&curve];
5909     [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:&duration];
5910
5911     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);
5912     UIViewController *base = self;
5913     while ([base parentViewController] != nil)
5914         base = [base parentViewController];
5915     CGRect viewframe = [[base view] convertRect:[list_ frame] fromView:[list_ superview]];
5916     CGRect intersection = CGRectIntersection(viewframe, kbframe);
5917
5918     [self resizeForKeyboardBounds:intersection duration:duration curve:curve];
5919 }
5920
5921 - (void) keyboardWillHide:(NSNotification *)notification {
5922     NSTimeInterval duration;
5923     UIViewAnimationCurve curve;
5924     [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:&curve];
5925     [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:&duration];
5926
5927     [self resizeForKeyboardBounds:CGRectZero duration:duration curve:curve];
5928 }
5929
5930 - (void) viewWillAppear:(BOOL)animated {
5931     [super viewWillAppear:animated];
5932
5933     [self resizeForKeyboardBounds:CGRectZero];
5934     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
5935     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
5936 }
5937
5938 - (void) viewWillDisappear:(BOOL)animated {
5939     [super viewWillDisappear:animated];
5940
5941     [self resizeForKeyboardBounds:CGRectZero];
5942     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillShowNotification object:nil];
5943     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillHideNotification object:nil];
5944 }
5945
5946 - (void) viewDidAppear:(BOOL)animated {
5947     [super viewDidAppear:animated];
5948     [self deselectWithAnimation:animated];
5949 }
5950
5951 - (void) didSelectPackage:(Package *)package {
5952     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
5953     [view setDelegate:delegate_];
5954     [[self navigationController] pushViewController:view animated:YES];
5955 }
5956
5957 #if TryIndexedCollation
5958 + (BOOL) hasIndexedCollation {
5959     return NO; // XXX: objc_getClass("UILocalizedIndexedCollation") != nil;
5960 }
5961 #endif
5962
5963 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
5964     NSInteger count([sections_ count]);
5965     return count == 0 ? 1 : count;
5966 }
5967
5968 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
5969     if ([sections_ count] == 0 || [[sections_ objectAtIndex:section] count] == 0)
5970         return nil;
5971     return [[sections_ objectAtIndex:section] name];
5972 }
5973
5974 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
5975     if ([sections_ count] == 0)
5976         return 0;
5977     return [[sections_ objectAtIndex:section] count];
5978 }
5979
5980 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
5981 @synchronized (database_) {
5982     if ([database_ era] != era_)
5983         return nil;
5984
5985     Section *section([sections_ objectAtIndex:[path section]]);
5986     NSInteger row([path row]);
5987     Package *package([packages_ objectAtIndex:([section row] + row)]);
5988     return [[package retain] autorelease];
5989 } }
5990
5991 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
5992     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
5993     if (cell == nil)
5994         cell = [[[PackageCell alloc] init] autorelease];
5995     [cell setPackage:[self packageAtIndexPath:path]];
5996     return cell;
5997 }
5998
5999 - (void) tableView:(UITableView *)table didSelectRowAtIndexPath:(NSIndexPath *)path {
6000     Package *package([self packageAtIndexPath:path]);
6001     package = [database_ packageWithName:[package id]];
6002     [self didSelectPackage:package];
6003 }
6004
6005 - (NSArray *) sectionIndexTitlesForTableView:(UITableView *)tableView {
6006     // XXX: is 20 the most optimal number here?
6007     return [packages_ count] > 20 ? index_ : nil;
6008 }
6009
6010 - (NSInteger) tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index {
6011 #if TryIndexedCollation
6012     if ([[self class] hasIndexedCollation]) {
6013         return [[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionForSectionIndexTitleAtIndex:index];
6014     }
6015 #endif
6016
6017     return index;
6018 }
6019
6020 - (id) initWithDatabase:(Database *)database title:(NSString *)title {
6021     if ((self = [super init]) != nil) {
6022         database_ = database;
6023         title_ = [title copy];
6024         [[self navigationItem] setTitle:title_];
6025
6026 #if TryIndexedCollation
6027         if ([[self class] hasIndexedCollation])
6028             index_ = [[[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionIndexTitles] retain]
6029         else
6030 #endif
6031             index_ = [[NSMutableArray alloc] initWithCapacity:32];
6032
6033         indices_ = [[NSMutableDictionary alloc] initWithCapacity:32];
6034
6035         packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
6036         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
6037
6038         list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
6039         [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6040         [list_ setRowHeight:73];
6041         [[self view] addSubview:list_];
6042
6043         [list_ setDataSource:self];
6044         [list_ setDelegate:self];
6045     } return self;
6046 }
6047
6048 - (void) setDelegate:(id)delegate {
6049     delegate_ = delegate;
6050 }
6051
6052 - (bool) hasPackage:(Package *)package {
6053     return true;
6054 }
6055
6056 - (void) reloadData {
6057     [super reloadData];
6058
6059     era_ = [database_ era];
6060     NSArray *packages = [database_ packages];
6061
6062     [packages_ removeAllObjects];
6063     [sections_ removeAllObjects];
6064
6065     _profile(PackageTable$reloadData$Filter)
6066         for (Package *package in packages)
6067             if ([self hasPackage:package])
6068                 [packages_ addObject:package];
6069     _end
6070
6071     [indices_ removeAllObjects];
6072
6073     Section *section = nil;
6074
6075 #if TryIndexedCollation
6076     if ([[self class] hasIndexedCollation]) {
6077         id collation = [objc_getClass("UILocalizedIndexedCollation") currentCollation];
6078         NSArray *titles = [collation sectionIndexTitles];
6079         int secidx = -1;
6080
6081         _profile(PackageTable$reloadData$Section)
6082             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6083                 Package *package;
6084                 int index;
6085
6086                 _profile(PackageTable$reloadData$Section$Package)
6087                     package = [packages_ objectAtIndex:offset];
6088                     index = [collation sectionForObject:package collationStringSelector:@selector(name)];
6089                 _end
6090
6091                 while (secidx < index) {
6092                     secidx += 1;
6093
6094                     _profile(PackageTable$reloadData$Section$Allocate)
6095                         section = [[[Section alloc] initWithName:[titles objectAtIndex:secidx] row:offset localize:NO] autorelease];
6096                     _end
6097
6098                     _profile(PackageTable$reloadData$Section$Add)
6099                         [sections_ addObject:section];
6100                     _end
6101                 }
6102
6103                 [section addToCount];
6104             }
6105         _end
6106     } else
6107 #endif
6108     {
6109         [index_ removeAllObjects];
6110
6111         _profile(PackageTable$reloadData$Section)
6112             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6113                 Package *package;
6114                 unichar index;
6115
6116                 _profile(PackageTable$reloadData$Section$Package)
6117                     package = [packages_ objectAtIndex:offset];
6118                     index = [package index];
6119                 _end
6120
6121                 if (section == nil || [section index] != index) {
6122                     _profile(PackageTable$reloadData$Section$Allocate)
6123                         section = [[[Section alloc] initWithIndex:index row:offset] autorelease];
6124                     _end
6125
6126                     [index_ addObject:[section name]];
6127                     //[indices_ setObject:[NSNumber numberForInt:[sections_ count]] forKey:index];
6128
6129                     _profile(PackageTable$reloadData$Section$Add)
6130                         [sections_ addObject:section];
6131                     _end
6132                 }
6133
6134                 [section addToCount];
6135             }
6136         _end
6137     }
6138
6139     _profile(PackageTable$reloadData$List)
6140         [list_ reloadData];
6141     _end
6142 }
6143
6144 - (void) resetCursor {
6145     [list_ scrollRectToVisible:CGRectMake(0, 0, 0, 0) animated:NO];
6146 }
6147
6148 @end
6149 /* }}} */
6150 /* Filtered Package List Controller {{{ */
6151 @interface FilteredPackageListController : PackageListController {
6152     SEL filter_;
6153     IMP imp_;
6154     id object_;
6155 }
6156
6157 - (void) setObject:(id)object;
6158 - (void) setObject:(id)object forFilter:(SEL)filter;
6159
6160 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object;
6161
6162 @end
6163
6164 @implementation FilteredPackageListController
6165
6166 - (void) dealloc {
6167     if (object_ != nil)
6168         [object_ release];
6169     [super dealloc];
6170 }
6171
6172 - (void) setFilter:(SEL)filter {
6173     filter_ = filter;
6174
6175     /* XXX: this is an unsafe optimization of doomy hell */
6176     Method method(class_getInstanceMethod([Package class], filter));
6177     _assert(method != NULL);
6178     imp_ = method_getImplementation(method);
6179     _assert(imp_ != NULL);
6180 }
6181
6182 - (void) setObject:(id)object {
6183     if (object_ != nil)
6184         [object_ release];
6185     if (object == nil)
6186         object_ = nil;
6187     else
6188         object_ = [object retain];
6189 }
6190
6191 - (void) setObject:(id)object forFilter:(SEL)filter {
6192     [self setFilter:filter];
6193     [self setObject:object];
6194 }
6195
6196 - (bool) hasPackage:(Package *)package {
6197     _profile(FilteredPackageTable$hasPackage)
6198         return [package valid] && (*reinterpret_cast<bool (*)(id, SEL, id)>(imp_))(package, filter_, object_);
6199     _end
6200 }
6201
6202 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object {
6203     if ((self = [super initWithDatabase:database title:title]) != nil) {
6204         [self setFilter:filter];
6205         [self setObject:object];
6206     } return self;
6207 }
6208
6209 @end
6210 /* }}} */
6211
6212 /* Home Controller {{{ */
6213 @interface HomeController : CYBrowserController {
6214 }
6215
6216 @end
6217
6218 @implementation HomeController
6219
6220 + (BOOL) shouldHideNavigationBar {
6221     return NO;
6222 }
6223
6224 - (NSURL *) navigationURL {
6225     return [NSURL URLWithString:@"cydia://home"];
6226 }
6227
6228 - (void) _setMoreHeaders:(NSMutableURLRequest *)request {
6229     [super _setMoreHeaders:request];
6230
6231     if (ChipID_ != nil)
6232         [request setValue:ChipID_ forHTTPHeaderField:@"X-Chip-ID"];
6233     if (UniqueID_ != nil)
6234         [request setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
6235     if (PLMN_ != nil)
6236         [request setValue:PLMN_ forHTTPHeaderField:@"X-Carrier-ID"];
6237 }
6238
6239 - (void) aboutButtonClicked {
6240     UIAlertView *alert([[[UIAlertView alloc] init] autorelease]);
6241
6242     [alert setTitle:UCLocalize("ABOUT_CYDIA")];
6243     [alert addButtonWithTitle:UCLocalize("CLOSE")];
6244     [alert setCancelButtonIndex:0];
6245
6246     [alert setMessage:
6247         @"Copyright (C) 2008-2011\n"
6248         "Jay Freeman (saurik)\n"
6249         "saurik@saurik.com\n"
6250         "http://www.saurik.com/"
6251     ];
6252
6253     [alert show];
6254 }
6255
6256 - (void) viewWillDisappear:(BOOL)animated {
6257     [super viewWillDisappear:animated];
6258
6259     if ([[self class] shouldHideNavigationBar])
6260         [[self navigationController] setNavigationBarHidden:NO animated:animated];
6261 }
6262
6263 - (void) viewWillAppear:(BOOL)animated {
6264     if (![self hasLoaded])
6265         [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/home/", UI_]]];
6266
6267     [super viewWillAppear:animated];
6268
6269     if ([[self class] shouldHideNavigationBar])
6270         [[self navigationController] setNavigationBarHidden:YES animated:animated];
6271 }
6272
6273 - (void) viewDidLoad {
6274     [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6275         initWithTitle:UCLocalize("ABOUT")
6276         style:UIBarButtonItemStylePlain
6277         target:self
6278         action:@selector(aboutButtonClicked)
6279     ] autorelease]];
6280 }
6281
6282 @end
6283 /* }}} */
6284 /* Manage Controller {{{ */
6285 @interface ManageController : CYBrowserController {
6286 }
6287
6288 - (void) queueStatusDidChange;
6289
6290 @end
6291
6292 @implementation ManageController
6293
6294 - (NSURL *) navigationURL {
6295     return [NSURL URLWithString:@"cydia://manage"];
6296 }
6297
6298 - (void) viewWillAppear:(BOOL)animated {
6299     if (![self hasLoaded])
6300         [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/manage/", UI_]]];
6301
6302     [super viewWillAppear:animated];
6303 }
6304
6305 - (void) viewDidLoad {
6306     [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6307         initWithTitle:UCLocalize("SETTINGS")
6308         style:UIBarButtonItemStylePlain
6309         target:self
6310         action:@selector(settingsButtonClicked)
6311     ] autorelease]];
6312
6313     [self queueStatusDidChange];
6314 }
6315
6316 - (void) settingsButtonClicked {
6317     [delegate_ showSettings];
6318 }
6319
6320 #if !AlwaysReload
6321 - (void) queueButtonClicked {
6322     [delegate_ queue];
6323 }
6324
6325 - (void) applyLoadingTitle {
6326     // Disable "Loading" title.
6327 }
6328
6329 - (void) applyRightButton {
6330     // Disable right button.
6331 }
6332 #endif
6333
6334 - (void) queueStatusDidChange {
6335 #if !AlwaysReload
6336     if (!IsWildcat_ && Queuing_) {
6337         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
6338             initWithTitle:UCLocalize("QUEUE")
6339             style:UIBarButtonItemStyleDone
6340             target:self
6341             action:@selector(queueButtonClicked)
6342         ] autorelease]];
6343     } else {
6344         [[self navigationItem] setRightBarButtonItem:nil];
6345     }
6346 #endif
6347 }
6348
6349 - (bool) isLoading {
6350     // Never show as loading.
6351     return false;
6352 }
6353
6354 @end
6355 /* }}} */
6356
6357 /* Refresh Bar {{{ */
6358 @interface RefreshBar : UINavigationBar {
6359     UIProgressIndicator *indicator_;
6360     UITextLabel *prompt_;
6361     UIProgressBar *progress_;
6362     UINavigationButton *cancel_;
6363 }
6364
6365 @end
6366
6367 @implementation RefreshBar
6368
6369 - (void) dealloc {
6370     [indicator_ release];
6371     [prompt_ release];
6372     [progress_ release];
6373     [cancel_ release];
6374     [super dealloc];
6375 }
6376
6377 - (void) positionViews {
6378     CGRect frame = [cancel_ frame];
6379     frame.size = [cancel_ sizeThatFits:frame.size];
6380     frame.origin.x = [self frame].size.width - frame.size.width - 5;
6381     frame.origin.y = ([self frame].size.height - frame.size.height) / 2;
6382     [cancel_ setFrame:frame];
6383
6384     CGSize prgsize = {75, 100};
6385     CGRect prgrect = {{
6386         [self frame].size.width - prgsize.width - 10,
6387         ([self frame].size.height - prgsize.height) / 2
6388     } , prgsize};
6389     [progress_ setFrame:prgrect];
6390
6391     CGSize indsize([UIProgressIndicator defaultSizeForStyle:[indicator_ activityIndicatorViewStyle]]);
6392     unsigned indoffset = ([self frame].size.height - indsize.height) / 2;
6393     CGRect indrect = {{indoffset, indoffset}, indsize};
6394     [indicator_ setFrame:indrect];
6395
6396     CGSize prmsize = {215, indsize.height + 4};
6397     CGRect prmrect = {{
6398         indoffset * 2 + indsize.width,
6399         unsigned([self frame].size.height - prmsize.height) / 2 - 1
6400     }, prmsize};
6401     [prompt_ setFrame:prmrect];
6402 }
6403
6404 - (void) setFrame:(CGRect)frame {
6405     [super setFrame:frame];
6406     [self positionViews];
6407 }
6408
6409 - (id) initWithFrame:(CGRect)frame delegate:(id)delegate {
6410     if ((self = [super initWithFrame:frame]) != nil) {
6411         [self setAutoresizingMask:UIViewAutoresizingFlexibleWidth];
6412
6413         [self setBarStyle:UIBarStyleBlack];
6414
6415         UIBarStyle barstyle([self _barStyle:NO]);
6416         bool ugly(barstyle == UIBarStyleDefault);
6417
6418         UIProgressIndicatorStyle style = ugly ?
6419             UIProgressIndicatorStyleMediumBrown :
6420             UIProgressIndicatorStyleMediumWhite;
6421
6422         indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectZero];
6423         [indicator_ setStyle:style];
6424         [indicator_ startAnimation];
6425         [self addSubview:indicator_];
6426
6427         prompt_ = [[UITextLabel alloc] initWithFrame:CGRectZero];
6428         [prompt_ setColor:[UIColor colorWithCGColor:(ugly ? Blueish_ : Off_)]];
6429         [prompt_ setBackgroundColor:[UIColor clearColor]];
6430         [prompt_ setFont:[UIFont systemFontOfSize:15]];
6431         [self addSubview:prompt_];
6432
6433         progress_ = [[UIProgressBar alloc] initWithFrame:CGRectZero];
6434         [progress_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleLeftMargin];
6435         [progress_ setStyle:0];
6436         [self addSubview:progress_];
6437
6438         cancel_ = [[UINavigationButton alloc] initWithTitle:UCLocalize("CANCEL") style:UINavigationButtonStyleHighlighted];
6439         [cancel_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
6440         [cancel_ addTarget:delegate action:@selector(cancelPressed) forControlEvents:UIControlEventTouchUpInside];
6441         [cancel_ setBarStyle:barstyle];
6442
6443         [self positionViews];
6444     } return self;
6445 }
6446
6447 - (void) cancel {
6448     [cancel_ removeFromSuperview];
6449 }
6450
6451 - (void) start {
6452     [prompt_ setText:UCLocalize("UPDATING_DATABASE")];
6453     [progress_ setProgress:0];
6454     [self addSubview:cancel_];
6455 }
6456
6457 - (void) stop {
6458     [cancel_ removeFromSuperview];
6459 }
6460
6461 - (void) setPrompt:(NSString *)prompt {
6462     [prompt_ setText:prompt];
6463 }
6464
6465 - (void) setProgress:(float)progress {
6466     [progress_ setProgress:progress];
6467 }
6468
6469 @end
6470 /* }}} */
6471
6472 @class CYNavigationController;
6473
6474 /* Cydia Tab Bar Controller {{{ */
6475 @interface CYTabBarController : UITabBarController <
6476     UITabBarControllerDelegate,
6477     ProgressDelegate
6478 > {
6479     _transient Database *database_;
6480     RefreshBar *refreshbar_;
6481
6482     bool dropped_;
6483     bool updating_;
6484     // XXX: ok, "updatedelegate_"?...
6485     _transient NSObject<CydiaDelegate> *updatedelegate_;
6486
6487     id root_;
6488     UIViewController *remembered_;
6489     _transient UIViewController *transient_;
6490 }
6491
6492 - (NSArray *) navigationURLCollection;
6493 - (void) dropBar:(BOOL)animated;
6494 - (void) beginUpdate;
6495 - (void) raiseBar:(BOOL)animated;
6496 - (BOOL) updating;
6497
6498 @end
6499
6500 @implementation CYTabBarController
6501
6502 - (void) setUnselectedViewController:(UIViewController *)transient {
6503     NSMutableArray *controllers = [[self viewControllers] mutableCopy];
6504     if (transient != nil) {
6505         if (transient_ == nil)
6506             remembered_ = [[controllers objectAtIndex:0] retain];
6507         transient_ = transient;
6508         [transient_ setTabBarItem:[remembered_ tabBarItem]];
6509         [controllers replaceObjectAtIndex:0 withObject:transient_];
6510         [self setSelectedIndex:0];
6511         [self setViewControllers:controllers];
6512         [self concealTabBarSelection];
6513     } else if (remembered_ != nil) {
6514         [remembered_ setTabBarItem:[transient_ tabBarItem]];
6515         transient_ = transient;
6516         [controllers replaceObjectAtIndex:0 withObject:remembered_];
6517         [remembered_ release];
6518         remembered_ = nil;
6519         [self setViewControllers:controllers];
6520         [self revealTabBarSelection];
6521     }
6522 }
6523
6524 - (UIViewController *) unselectedViewController {
6525     return transient_;
6526 }
6527
6528 - (void) tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController {
6529     if ([self unselectedViewController])
6530         [self setUnselectedViewController:nil];
6531 }
6532
6533 - (NSArray *) navigationURLCollection {
6534     NSMutableArray *items([NSMutableArray array]);
6535
6536     // XXX: Should this deal with transient view controllers?
6537     for (id navigation in [self viewControllers]) {
6538         NSArray *stack = [navigation performSelector:@selector(navigationURLCollection)];
6539         if (stack != nil)
6540             [items addObject:stack];
6541     }
6542
6543     return items;
6544 }
6545
6546 - (void) reloadData {
6547     for (CYViewController *controller in [self viewControllers])
6548         [controller reloadData];
6549
6550     [(CYNavigationController *)[self unselectedViewController] reloadData];
6551 }
6552
6553 - (void) dealloc {
6554     [refreshbar_ release];
6555     [[NSNotificationCenter defaultCenter] removeObserver:self];
6556
6557     [super dealloc];
6558 }
6559
6560 - (id) initWithDatabase:(Database *)database {
6561     if ((self = [super init]) != nil) {
6562         database_ = database;
6563         [self setDelegate:self];
6564
6565         [[self view] setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6566         [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(statusBarFrameChanged:) name:UIApplicationDidChangeStatusBarFrameNotification object:nil];
6567
6568         refreshbar_ = [[RefreshBar alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, [UINavigationBar defaultSize].height) delegate:self];
6569     } return self;
6570 }
6571
6572 - (void) setUpdate:(NSDate *)date {
6573     [self beginUpdate];
6574 }
6575
6576 - (void) beginUpdate {
6577     [refreshbar_ start];
6578     [self dropBar:YES];
6579
6580     [updatedelegate_ retainNetworkActivityIndicator];
6581     updating_ = true;
6582
6583     [NSThread
6584         detachNewThreadSelector:@selector(performUpdate)
6585         toTarget:self
6586         withObject:nil
6587     ];
6588 }
6589
6590 - (void) performUpdate { _pooled
6591     Status status;
6592     status.setDelegate(self);
6593     [database_ updateWithStatus:status];
6594
6595     [self
6596         performSelectorOnMainThread:@selector(completeUpdate)
6597         withObject:nil
6598         waitUntilDone:NO
6599     ];
6600 }
6601
6602 - (void) stopUpdateWithSelector:(SEL)selector {
6603     updating_ = false;
6604     [updatedelegate_ releaseNetworkActivityIndicator];
6605
6606     [self raiseBar:YES];
6607     [refreshbar_ stop];
6608
6609     [updatedelegate_ performSelector:selector withObject:nil afterDelay:0];
6610 }
6611
6612 - (void) completeUpdate {
6613     if (!updating_)
6614         return;
6615     [self stopUpdateWithSelector:@selector(reloadData)];
6616 }
6617
6618 - (void) cancelUpdate {
6619     [self stopUpdateWithSelector:@selector(updateData)];
6620 }
6621
6622 - (void) cancelPressed {
6623     [self cancelUpdate];
6624 }
6625
6626 - (BOOL) updating {
6627     return updating_;
6628 }
6629
6630 - (void) addProgressEvent:(CydiaProgressEvent *)event {
6631     [refreshbar_ setPrompt:[event compoundMessage]];
6632 }
6633
6634 - (bool) isProgressCancelled {
6635     return !updating_;
6636 }
6637
6638 - (void) setProgressPercent:(NSNumber *)percent {
6639     [refreshbar_ setProgress:[percent floatValue]];
6640 }
6641
6642 - (void) setUpdateDelegate:(id)delegate {
6643     updatedelegate_ = delegate;
6644 }
6645
6646 - (CGFloat) statusBarHeight {
6647     if (UIInterfaceOrientationIsPortrait([self interfaceOrientation])) {
6648         return [[UIApplication sharedApplication] statusBarFrame].size.height;
6649     } else {
6650         return [[UIApplication sharedApplication] statusBarFrame].size.width;
6651     }
6652 }
6653
6654 - (UIView *) transitionView {
6655     if ([self respondsToSelector:@selector(_transitionView)])
6656         return [self _transitionView];
6657     else
6658         return MSHookIvar<id>(self, "_viewControllerTransitionView");
6659 }
6660
6661 - (void) dropBar:(BOOL)animated {
6662     if (dropped_)
6663         return;
6664     dropped_ = true;
6665
6666     UIView *transition([self transitionView]);
6667     [[self view] addSubview:refreshbar_];
6668
6669     CGRect barframe([refreshbar_ frame]);
6670
6671     if (kCFCoreFoundationVersionNumber >= kCFCoreFoundationVersionNumber_iPhoneOS_3_0) // XXX: _UIApplicationLinkedOnOrAfter(4)
6672         barframe.origin.y = [self statusBarHeight];
6673     else
6674         barframe.origin.y = 0;
6675
6676     [refreshbar_ setFrame:barframe];
6677
6678     if (animated)
6679         [UIView beginAnimations:nil context:NULL];
6680
6681     CGRect viewframe = [transition frame];
6682     viewframe.origin.y += barframe.size.height;
6683     viewframe.size.height -= barframe.size.height;
6684     [transition setFrame:viewframe];
6685
6686     if (animated)
6687         [UIView commitAnimations];
6688
6689     // Ensure bar has the proper width for our view, it might have changed
6690     barframe.size.width = viewframe.size.width;
6691     [refreshbar_ setFrame:barframe];
6692
6693     // XXX: fix Apple's layout bug
6694     [[root_ selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6695 }
6696
6697 - (void) raiseBar:(BOOL)animated {
6698     if (!dropped_)
6699         return;
6700     dropped_ = false;
6701
6702     UIView *transition([self transitionView]);
6703     [refreshbar_ removeFromSuperview];
6704
6705     CGRect barframe([refreshbar_ frame]);
6706
6707     if (animated)
6708         [UIView beginAnimations:nil context:NULL];
6709
6710     CGRect viewframe = [transition frame];
6711     viewframe.origin.y -= barframe.size.height;
6712     viewframe.size.height += barframe.size.height;
6713     [transition setFrame:viewframe];
6714
6715     if (animated)
6716         [UIView commitAnimations];
6717
6718     // XXX: fix Apple's layout bug
6719     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6720 }
6721
6722 #if 0
6723 - (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration {
6724     // XXX: fix Apple's layout bug
6725     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6726 }
6727 #endif
6728
6729 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
6730     bool dropped(dropped_);
6731
6732     if (dropped)
6733         [self raiseBar:NO];
6734
6735     [super didRotateFromInterfaceOrientation:fromInterfaceOrientation];
6736
6737     if (dropped)
6738         [self dropBar:NO];
6739
6740     // XXX: fix Apple's layout bug
6741     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6742 }
6743
6744 - (void) statusBarFrameChanged:(NSNotification *)notification {
6745     if (dropped_) {
6746         [self raiseBar:NO];
6747         [self dropBar:NO];
6748     }
6749 }
6750
6751 @end
6752 /* }}} */
6753 /* Cydia Navigation Controller {{{ */
6754 @interface CYNavigationController : UINavigationController {
6755     _transient Database *database_;
6756     _transient id<UINavigationControllerDelegate> delegate_;
6757 }
6758
6759 - (NSArray *) navigationURLCollection;
6760 - (id) initWithDatabase:(Database *)database;
6761 - (void) reloadData;
6762
6763 @end
6764
6765
6766 @implementation CYNavigationController
6767
6768 - (NSArray *) navigationURLCollection {
6769     NSMutableArray *stack([NSMutableArray array]);
6770
6771     for (CYViewController *controller in [self viewControllers]) {
6772         NSString *url = [[controller navigationURL] absoluteString];
6773         if (url != nil)
6774             [stack addObject:url];
6775     }
6776
6777     return stack;
6778 }
6779
6780 - (void) reloadData {
6781     for (CYViewController *page in [self viewControllers]) {
6782         // Only reload controllers that have already loaded.
6783         // This prevents a page from accidentally loading too
6784         // early if it hasn't been shown on the screen yet.
6785         if ([page hasLoaded])
6786             [page reloadData];
6787     }
6788 }
6789
6790 - (void) setDelegate:(id<UINavigationControllerDelegate>)delegate {
6791     delegate_ = delegate;
6792 }
6793
6794 - (id) initWithDatabase:(Database *)database {
6795     if ((self = [super init]) != nil) {
6796         database_ = database;
6797     } return self;
6798 }
6799
6800 @end
6801 /* }}} */
6802
6803 /* Cydia:// Protocol {{{ */
6804 @interface CydiaURLProtocol : NSURLProtocol {
6805 }
6806
6807 @end
6808
6809 @implementation CydiaURLProtocol
6810
6811 + (BOOL) canInitWithRequest:(NSURLRequest *)request {
6812     NSURL *url([request URL]);
6813     if (url == nil)
6814         return NO;
6815     NSString *scheme([[url scheme] lowercaseString]);
6816     if (scheme == nil || ![scheme isEqualToString:@"cydia"])
6817         return NO;
6818     return YES;
6819 }
6820
6821 + (NSURLRequest *) canonicalRequestForRequest:(NSURLRequest *)request {
6822     return request;
6823 }
6824
6825 - (void) _returnPNGWithImage:(UIImage *)icon forRequest:(NSURLRequest *)request {
6826     id<NSURLProtocolClient> client([self client]);
6827     if (icon == nil)
6828         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorFileDoesNotExist userInfo:nil]];
6829     else {
6830         NSData *data(UIImagePNGRepresentation(icon));
6831
6832         NSURLResponse *response([[[NSURLResponse alloc] initWithURL:[request URL] MIMEType:@"image/png" expectedContentLength:-1 textEncodingName:nil] autorelease]);
6833         [client URLProtocol:self didReceiveResponse:response cacheStoragePolicy:NSURLCacheStorageNotAllowed];
6834         [client URLProtocol:self didLoadData:data];
6835         [client URLProtocolDidFinishLoading:self];
6836     }
6837 }
6838
6839 - (void) startLoading {
6840     id<NSURLProtocolClient> client([self client]);
6841     NSURLRequest *request([self request]);
6842
6843     NSURL *url([request URL]);
6844     NSString *href([url absoluteString]);
6845
6846     NSString *path([href substringFromIndex:8]);
6847     NSRange slash([path rangeOfString:@"/"]);
6848
6849     NSString *command;
6850     if (slash.location == NSNotFound) {
6851         command = path;
6852         path = nil;
6853     } else {
6854         command = [path substringToIndex:slash.location];
6855         path = [path substringFromIndex:(slash.location + 1)];
6856     }
6857
6858     Database *database([Database sharedInstance]);
6859
6860     if ([command isEqualToString:@"package-icon"]) {
6861         if (path == nil)
6862             goto fail;
6863         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
6864         Package *package([database packageWithName:path]);
6865         if (package == nil)
6866             goto fail;
6867         UIImage *icon([package icon]);
6868         [self _returnPNGWithImage:icon forRequest:request];
6869     } else if ([command isEqualToString:@"source-icon"]) {
6870         if (path == nil)
6871             goto fail;
6872         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
6873         NSString *source(Simplify(path));
6874         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sources/%@.png", App_, source]]);
6875         if (icon == nil)
6876             icon = [UIImage applicationImageNamed:@"unknown.png"];
6877         [self _returnPNGWithImage:icon forRequest:request];
6878     } else if ([command isEqualToString:@"uikit-image"]) {
6879         if (path == nil)
6880             goto fail;
6881         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
6882         UIImage *icon(_UIImageWithName(path));
6883         [self _returnPNGWithImage:icon forRequest:request];
6884     } else if ([command isEqualToString:@"section-icon"]) {
6885         if (path == nil)
6886             goto fail;
6887         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
6888         NSString *section(Simplify(path));
6889         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]]);
6890         if (icon == nil)
6891             icon = [UIImage applicationImageNamed:@"unknown.png"];
6892         [self _returnPNGWithImage:icon forRequest:request];
6893     } else fail: {
6894         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorResourceUnavailable userInfo:nil]];
6895     }
6896 }
6897
6898 - (void) stopLoading {
6899 }
6900
6901 @end
6902 /* }}} */
6903
6904 /* Section Controller {{{ */
6905 @interface SectionController : FilteredPackageListController {
6906     NSString *section_;
6907 }
6908
6909 - (id) initWithDatabase:(Database *)database section:(NSString *)section;
6910
6911 @end
6912
6913 @implementation SectionController
6914
6915 - (NSURL *) navigationURL {
6916     NSString *name = section_;
6917     if (name == nil)
6918         name = @"all";
6919
6920     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sections/%@", name]];
6921 }
6922
6923 - (id) initWithDatabase:(Database *)database section:(NSString *)name {
6924     NSString *title;
6925     if (name == nil)
6926         title = UCLocalize("ALL_PACKAGES");
6927     else if (![name isEqual:@""])
6928         title = [[NSBundle mainBundle] localizedStringForKey:Simplify(name) value:nil table:@"Sections"];
6929     else
6930         title = UCLocalize("NO_SECTION");
6931
6932     if ((self = [super initWithDatabase:database title:title filter:@selector(isVisibleInSection:) with:name]) != nil) {
6933         section_ = name;
6934     } return self;
6935 }
6936
6937 @end
6938 /* }}} */
6939 /* Sections Controller {{{ */
6940 @interface SectionsController : CYViewController <
6941     UITableViewDataSource,
6942     UITableViewDelegate
6943 > {
6944     _transient Database *database_;
6945     NSMutableArray *sections_;
6946     NSMutableArray *filtered_;
6947     UITableView *list_;
6948     BOOL editing_;
6949 }
6950
6951 - (id) initWithDatabase:(Database *)database;
6952 - (void) editButtonClicked;
6953
6954 @end
6955
6956 @implementation SectionsController
6957
6958 - (void) dealloc {
6959     [self releaseSubviews];
6960     [sections_ release];
6961     [filtered_ release];
6962
6963     [super dealloc];
6964 }
6965
6966 - (NSURL *) navigationURL {
6967     return [NSURL URLWithString:@"cydia://sections"];
6968 }
6969
6970 - (void) updateNavigationItem {
6971     [[self navigationItem] setTitle:editing_ ? UCLocalize("SECTION_VISIBILITY") : UCLocalize("SECTIONS")];
6972     if ([sections_ count] == 0) {
6973         [[self navigationItem] setRightBarButtonItem:nil];
6974     } else {
6975         [[self navigationItem] setRightBarButtonItem:[[UIBarButtonItem alloc]
6976             initWithBarButtonSystemItem:(editing_ ? UIBarButtonSystemItemDone : UIBarButtonSystemItemEdit)
6977             target:self
6978             action:@selector(editButtonClicked)
6979         ] animated:([[self navigationItem] rightBarButtonItem] != nil)];
6980     }
6981 }
6982
6983 - (BOOL) isEditing {
6984     return editing_;
6985 }
6986
6987 - (void) setEditing:(BOOL)editing {
6988     if ((editing_ = editing))
6989         [list_ reloadData];
6990     else
6991         [delegate_ updateData];
6992
6993     [self updateNavigationItem];
6994 }
6995
6996 - (void) viewDidAppear:(BOOL)animated {
6997     [super viewDidAppear:animated];
6998     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
6999 }
7000
7001 - (void) viewWillDisappear:(BOOL)animated {
7002     [super viewWillDisappear:animated];
7003     if (editing_) [self setEditing:NO];
7004 }
7005
7006 - (Section *) sectionAtIndexPath:(NSIndexPath *)indexPath {
7007     Section *section = (editing_ ? [sections_ objectAtIndex:[indexPath row]] : ([indexPath row] == 0 ? nil : [filtered_ objectAtIndex:([indexPath row] - 1)]));
7008     return section;
7009 }
7010
7011 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7012     return editing_ ? [sections_ count] : [filtered_ count] + 1;
7013 }
7014
7015 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
7016     return 45.0f;
7017 }*/
7018
7019 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7020     static NSString *reuseIdentifier = @"SectionCell";
7021
7022     SectionCell *cell = (SectionCell *)[tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
7023     if (cell == nil)
7024         cell = [[[SectionCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
7025
7026     [cell setSection:[self sectionAtIndexPath:indexPath] editing:editing_];
7027
7028     return cell;
7029 }
7030
7031 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
7032     if (editing_)
7033         return;
7034
7035     Section *section = [self sectionAtIndexPath:indexPath];
7036
7037     SectionController *controller = [[[SectionController alloc]
7038         initWithDatabase:database_
7039         section:[section name]
7040     ] autorelease];
7041     [controller setDelegate:delegate_];
7042
7043     [[self navigationController] pushViewController:controller animated:YES];
7044 }
7045
7046 - (void) loadView {
7047     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7048
7049     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds]];
7050     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7051     [list_ setRowHeight:45.0f];
7052     [list_ setDataSource:self];
7053     [list_ setDelegate:self];
7054     [[self view] addSubview:list_];
7055 }
7056
7057 - (void) viewDidLoad {
7058     [[self navigationItem] setTitle:UCLocalize("SECTIONS")];
7059 }
7060
7061 - (void) releaseSubviews {
7062     [list_ release];
7063     list_ = nil;
7064 }
7065
7066 - (id) initWithDatabase:(Database *)database {
7067     if ((self = [super init]) != nil) {
7068         database_ = database;
7069
7070         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
7071         filtered_ = [[NSMutableArray arrayWithCapacity:16] retain];
7072     } return self;
7073 }
7074
7075 - (void) reloadData {
7076     [super reloadData];
7077
7078     NSArray *packages = [database_ packages];
7079
7080     [sections_ removeAllObjects];
7081     [filtered_ removeAllObjects];
7082
7083     NSMutableDictionary *sections([NSMutableDictionary dictionaryWithCapacity:32]);
7084
7085     _trace();
7086     for (Package *package in packages) {
7087         NSString *name([package section]);
7088         NSString *key(name == nil ? @"" : name);
7089
7090         Section *section;
7091
7092         _profile(SectionsView$reloadData$Section)
7093             section = [sections objectForKey:key];
7094             if (section == nil) {
7095                 _profile(SectionsView$reloadData$Section$Allocate)
7096                     section = [[[Section alloc] initWithName:key localize:YES] autorelease];
7097                     [sections setObject:section forKey:key];
7098                 _end
7099             }
7100         _end
7101
7102         [section addToCount];
7103
7104         _profile(SectionsView$reloadData$Filter)
7105             if (![package valid] || ![package visible])
7106                 continue;
7107         _end
7108
7109         [section addToRow];
7110     }
7111     _trace();
7112
7113     [sections_ addObjectsFromArray:[sections allValues]];
7114
7115     [sections_ sortUsingSelector:@selector(compareByLocalized:)];
7116
7117     for (Section *section in sections_) {
7118         size_t count([section row]);
7119         if (count == 0)
7120             continue;
7121
7122         section = [[[Section alloc] initWithName:[section name] localized:[section localized]] autorelease];
7123         [section setCount:count];
7124         [filtered_ addObject:section];
7125     }
7126
7127     [self updateNavigationItem];
7128     [list_ reloadData];
7129     _trace();
7130 }
7131
7132 - (void) editButtonClicked {
7133     [self setEditing:(!editing_)];
7134 }
7135
7136 @end
7137 /* }}} */
7138
7139 /* Changes Controller {{{ */
7140 @interface ChangesController : CYViewController <
7141     UITableViewDataSource,
7142     UITableViewDelegate
7143 > {
7144     _transient Database *database_;
7145     unsigned era_;
7146     CFMutableArrayRef packages_;
7147     NSMutableArray *sections_;
7148     UITableView *list_;
7149     unsigned upgrades_;
7150     BOOL hasSentFirstLoad_;
7151 }
7152
7153 - (id) initWithDatabase:(Database *)database;
7154
7155 @end
7156
7157 @implementation ChangesController
7158
7159 - (void) dealloc {
7160     [self releaseSubviews];
7161     CFRelease(packages_);
7162     [sections_ release];
7163
7164     [super dealloc];
7165 }
7166
7167 - (NSURL *) navigationURL {
7168     return [NSURL URLWithString:@"cydia://changes"];
7169 }
7170
7171 - (void) viewWillAppear:(BOOL)animated {
7172     // Loads after it appears, so don't load beforehand.
7173     loaded_ = YES;
7174     [super viewWillAppear:animated];
7175 }
7176
7177 - (void) viewDidAppear:(BOOL)animated {
7178     [super viewDidAppear:animated];
7179
7180     if (!hasSentFirstLoad_) {
7181         hasSentFirstLoad_ = YES;
7182         [self performSelector:@selector(reloadData) withObject:nil afterDelay:0.0];
7183     } else {
7184         [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7185     }
7186 }
7187
7188 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
7189     NSInteger count([sections_ count]);
7190     return count == 0 ? 1 : count;
7191 }
7192
7193 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
7194     if ([sections_ count] == 0)
7195         return nil;
7196     return [[sections_ objectAtIndex:section] name];
7197 }
7198
7199 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
7200     if ([sections_ count] == 0)
7201         return 0;
7202     return [[sections_ objectAtIndex:section] count];
7203 }
7204
7205 - (Package *) packageAtIndex:(NSUInteger)index {
7206     return (Package *) CFArrayGetValueAtIndex(packages_, index);
7207 }
7208
7209 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
7210 @synchronized (database_) {
7211     if ([database_ era] != era_)
7212         return nil;
7213
7214     NSUInteger sectionIndex([path section]);
7215     if (sectionIndex >= [sections_ count])
7216         return nil;
7217     Section *section([sections_ objectAtIndex:sectionIndex]);
7218     NSInteger row([path row]);
7219     return [[[self packageAtIndex:([section row] + row)] retain] autorelease];
7220 } }
7221
7222 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
7223     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
7224     if (cell == nil)
7225         cell = [[[PackageCell alloc] init] autorelease];
7226     [cell setPackage:[self packageAtIndexPath:path]];
7227     return cell;
7228 }
7229
7230 - (NSIndexPath *) tableView:(UITableView *)table willSelectRowAtIndexPath:(NSIndexPath *)path {
7231     Package *package([self packageAtIndexPath:path]);
7232     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
7233     [view setDelegate:delegate_];
7234     [[self navigationController] pushViewController:view animated:YES];
7235     return path;
7236 }
7237
7238 - (void) refreshButtonClicked {
7239     [delegate_ beginUpdate];
7240     [[self navigationItem] setLeftBarButtonItem:nil animated:YES];
7241 }
7242
7243 - (void) upgradeButtonClicked {
7244     [delegate_ distUpgrade];
7245 }
7246
7247 - (void) loadView {
7248     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7249
7250     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
7251     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7252     [list_ setRowHeight:73];
7253     [list_ setDataSource:self];
7254     [list_ setDelegate:self];
7255     [[self view] addSubview:list_];
7256 }
7257
7258 - (void) viewDidLoad {
7259     [[self navigationItem] setTitle:UCLocalize("CHANGES")];
7260 }
7261
7262 - (void) releaseSubviews {
7263     [list_ release];
7264     list_ = nil;
7265 }
7266
7267 - (id) initWithDatabase:(Database *)database {
7268     if ((self = [super init]) != nil) {
7269         database_ = database;
7270
7271         packages_ = CFArrayCreateMutable(kCFAllocatorDefault, 0, NULL);
7272         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
7273     } return self;
7274 }
7275
7276 // this mostly works because reloadData (below) is @synchronized (database_)
7277 // XXX: that said, I've been running into problems with NSRangeExceptions :(
7278 - (void) _reloadPackages:(NSArray *)packages {
7279     CFRelease(packages_);
7280     packages_ = CFArrayCreateMutable(kCFAllocatorDefault, [packages count], NULL);
7281
7282     _trace();
7283     _profile(ChangesController$_reloadPackages$Filter)
7284         for (Package *package in packages)
7285             if ([package upgradableAndEssential:YES] || [package visible])
7286                 CFArrayAppendValue(packages_, package);
7287     _end
7288     _trace();
7289     _profile(ChangesController$_reloadPackages$radixSort)
7290         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackageChangesRadix) withContext:NULL];
7291     _end
7292     _trace();
7293 }
7294
7295 - (void) reloadData {
7296 @synchronized (database_) {
7297     era_ = [database_ era];
7298     NSArray *packages = [database_ packages];
7299
7300     [sections_ removeAllObjects];
7301
7302 #if 1
7303     UIProgressHUD *hud([delegate_ addProgressHUD]);
7304     [hud setText:UCLocalize("LOADING")];
7305     //NSLog(@"HUD:%@::%@", delegate_, hud);
7306     [self yieldToSelector:@selector(_reloadPackages:) withObject:packages];
7307     [delegate_ removeProgressHUD:hud];
7308 #else
7309     [self _reloadPackages:packages];
7310 #endif
7311
7312     Section *upgradable = [[[Section alloc] initWithName:UCLocalize("AVAILABLE_UPGRADES") localize:NO] autorelease];
7313     Section *ignored = nil;
7314     Section *section = nil;
7315     time_t last = 0;
7316
7317     upgrades_ = 0;
7318     bool unseens = false;
7319
7320     CFDateFormatterRef formatter(CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle));
7321
7322     for (size_t offset = 0, count = CFArrayGetCount(packages_); offset != count; ++offset) {
7323         Package *package = [self packageAtIndex:offset];
7324
7325         BOOL uae = [package upgradableAndEssential:YES];
7326
7327         if (!uae) {
7328             unseens = true;
7329             time_t seen([package seen]);
7330
7331             if (section == nil || last != seen) {
7332                 last = seen;
7333
7334                 NSString *name;
7335                 name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) [NSDate dateWithTimeIntervalSince1970:seen]);
7336                 [name autorelease];
7337
7338                 _profile(ChangesController$reloadData$Allocate)
7339                     name = [NSString stringWithFormat:UCLocalize("NEW_AT"), name];
7340                     section = [[[Section alloc] initWithName:name row:offset localize:NO] autorelease];
7341                     [sections_ addObject:section];
7342                 _end
7343             }
7344
7345             [section addToCount];
7346         } else if ([package ignored]) {
7347             if (ignored == nil) {
7348                 ignored = [[[Section alloc] initWithName:UCLocalize("IGNORED_UPGRADES") row:offset localize:NO] autorelease];
7349             }
7350             [ignored addToCount];
7351         } else {
7352             ++upgrades_;
7353             [upgradable addToCount];
7354         }
7355     }
7356     _trace();
7357
7358     CFRelease(formatter);
7359
7360     if (unseens) {
7361         Section *last = [sections_ lastObject];
7362         size_t count = [last count];
7363         CFArrayReplaceValues(packages_, CFRangeMake(CFArrayGetCount(packages_) - count, count), NULL, 0);
7364         [sections_ removeLastObject];
7365     }
7366
7367     if ([ignored count] != 0)
7368         [sections_ insertObject:ignored atIndex:0];
7369     if (upgrades_ != 0)
7370         [sections_ insertObject:upgradable atIndex:0];
7371
7372     [list_ reloadData];
7373
7374     if (upgrades_ > 0)
7375         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
7376             initWithTitle:[NSString stringWithFormat:UCLocalize("PARENTHETICAL"), UCLocalize("UPGRADE"), [NSString stringWithFormat:@"%u", upgrades_]]
7377             style:UIBarButtonItemStylePlain
7378             target:self
7379             action:@selector(upgradeButtonClicked)
7380         ] autorelease]];
7381
7382     if (![delegate_ updating])
7383         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7384             initWithTitle:UCLocalize("REFRESH")
7385             style:UIBarButtonItemStylePlain
7386             target:self
7387             action:@selector(refreshButtonClicked)
7388         ] autorelease]];
7389
7390     PrintTimes();
7391 } }
7392
7393 @end
7394 /* }}} */
7395 /* Search Controller {{{ */
7396 @interface SearchController : FilteredPackageListController <
7397     UISearchBarDelegate
7398 > {
7399     UISearchBar *search_;
7400     BOOL searchloaded_;
7401 }
7402
7403 - (id) initWithDatabase:(Database *)database;
7404 - (void) setSearchTerm:(NSString *)term;
7405 - (void) reloadData;
7406
7407 @end
7408
7409 @implementation SearchController
7410
7411 - (void) dealloc {
7412     [search_ release];
7413     [super dealloc];
7414 }
7415
7416 - (NSURL *) navigationURL {
7417     if ([search_ text] == nil || [[search_ text] isEqualToString:@""])
7418         return [NSURL URLWithString:@"cydia://search"];
7419     else
7420         return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://search/%@", [search_ text]]];
7421 }
7422
7423 - (void) setSearchTerm:(NSString *)searchTerm {
7424     [search_ setText:searchTerm];
7425     [self reloadData];
7426 }
7427
7428 - (void) searchBarSearchButtonClicked:(UISearchBar *)searchBar {
7429     [self setObject:[search_ text] forFilter:@selector(isUnfilteredAndSearchedForBy:)];
7430     [search_ resignFirstResponder];
7431     [self reloadData];
7432 }
7433
7434 - (void) searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)text {
7435     [self setObject:text forFilter:@selector(isUnfilteredAndSelectedForBy:)];
7436     [self reloadData];
7437 }
7438
7439 - (id) initWithDatabase:(Database *)database {
7440     if ((self = [super initWithDatabase:database title:UCLocalize("SEARCH") filter:@selector(isUnfilteredAndSearchedForBy:) with:nil])) {
7441         search_ = [[UISearchBar alloc] init];
7442     } return self;
7443 }
7444
7445 - (void) viewDidAppear:(BOOL)animated {
7446     [super viewDidAppear:animated];
7447
7448     if (!searchloaded_) {
7449         searchloaded_ = YES;
7450         [search_ setFrame:CGRectMake(0, 0, [[self view] bounds].size.width, 44.0f)];
7451         [search_ layoutSubviews];
7452         [search_ setPlaceholder:UCLocalize("SEARCH_EX")];
7453
7454         UITextField *textField;
7455         if ([search_ respondsToSelector:@selector(searchField)])
7456             textField = [search_ searchField];
7457         else
7458             textField = MSHookIvar<UITextField *>(search_, "_searchField");
7459
7460         [textField setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
7461         [search_ setDelegate:self];
7462         [textField setEnablesReturnKeyAutomatically:NO];
7463         [[self navigationItem] setTitleView:textField];
7464     }
7465 }
7466
7467 - (void) reloadData {
7468     [self setObject:[search_ text]];
7469     [super reloadData];
7470     [self resetCursor];
7471 }
7472
7473 - (void) didSelectPackage:(Package *)package {
7474     [search_ resignFirstResponder];
7475     [super didSelectPackage:package];
7476 }
7477
7478 @end
7479 /* }}} */
7480 /* Package Settings Controller {{{ */
7481 @interface PackageSettingsController : CYViewController <
7482     UITableViewDataSource,
7483     UITableViewDelegate
7484 > {
7485     _transient Database *database_;
7486     NSString *name_;
7487     Package *package_;
7488     UITableView *table_;
7489     UISwitch *subscribedSwitch_;
7490     UISwitch *ignoredSwitch_;
7491     UITableViewCell *subscribedCell_;
7492     UITableViewCell *ignoredCell_;
7493 }
7494
7495 - (id) initWithDatabase:(Database *)database package:(NSString *)package;
7496
7497 @end
7498
7499 @implementation PackageSettingsController
7500
7501 - (void) dealloc {
7502     [self releaseSubviews];
7503     [name_ release];
7504     [package_ release];
7505
7506     [super dealloc];
7507 }
7508
7509 - (NSURL *) navigationURL {
7510     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/settings", [package_ id]]];
7511 }
7512
7513 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
7514     if (package_ == nil)
7515         return 0;
7516
7517     if ([package_ installed] == nil)
7518         return 1;
7519     else
7520         return 2;
7521 }
7522
7523 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7524     if (package_ == nil)
7525         return 0;
7526
7527     // both sections contain just one item right now.
7528     return 1;
7529 }
7530
7531 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
7532     return nil;
7533 }
7534
7535 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
7536     if (section == 0)
7537         return UCLocalize("SHOW_ALL_CHANGES_EX");
7538     else
7539         return UCLocalize("IGNORE_UPGRADES_EX");
7540 }
7541
7542 - (void) onSubscribed:(id)control {
7543     bool value([control isOn]);
7544     if (package_ == nil)
7545         return;
7546     if ([package_ setSubscribed:value])
7547         [delegate_ updateData];
7548 }
7549
7550 - (void) _updateIgnored {
7551     const char *package([name_ UTF8String]);
7552     bool on([ignoredSwitch_ isOn]);
7553
7554     pid_t pid(ExecFork());
7555     if (pid == 0) {
7556         FILE *dpkg(popen("dpkg --set-selections", "w"));
7557         fwrite(package, strlen(package), 1, dpkg);
7558
7559         if (on)
7560             fwrite(" hold\n", 6, 1, dpkg);
7561         else
7562             fwrite(" install\n", 9, 1, dpkg);
7563
7564         pclose(dpkg);
7565
7566         exit(0);
7567         _assert(false);
7568     }
7569
7570     _forever {
7571         int status;
7572         int result(waitpid(pid, &status, 0));
7573
7574         if (result != -1) {
7575             _assert(result == pid);
7576             break;
7577         }
7578     }
7579 }
7580
7581 - (void) onIgnored:(id)control {
7582     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[self methodSignatureForSelector:@selector(_updateIgnored)]]);
7583     [invocation setTarget:self];
7584     [invocation setSelector:@selector(_updateIgnored)];
7585
7586     [delegate_ reloadDataWithInvocation:invocation];
7587 }
7588
7589 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7590     if (package_ == nil)
7591         return nil;
7592
7593     switch ([indexPath section]) {
7594         case 0: return subscribedCell_;
7595         case 1: return ignoredCell_;
7596
7597         _nodefault
7598     }
7599
7600     return nil;
7601 }
7602
7603 - (void) loadView {
7604     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7605
7606     table_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped];
7607     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7608     [table_ setDataSource:self];
7609     [table_ setDelegate:self];
7610     [[self view] addSubview:table_];
7611
7612     subscribedSwitch_ = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)];
7613     [subscribedSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7614     [subscribedSwitch_ addTarget:self action:@selector(onSubscribed:) forEvents:UIControlEventValueChanged];
7615
7616     ignoredSwitch_ = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)];
7617     [ignoredSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7618     [ignoredSwitch_ addTarget:self action:@selector(onIgnored:) forEvents:UIControlEventValueChanged];
7619
7620     subscribedCell_ = [[UITableViewCell alloc] init];
7621     [subscribedCell_ setText:UCLocalize("SHOW_ALL_CHANGES")];
7622     [subscribedCell_ setAccessoryView:subscribedSwitch_];
7623     [subscribedCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7624
7625     ignoredCell_ = [[UITableViewCell alloc] init];
7626     [ignoredCell_ setText:UCLocalize("IGNORE_UPGRADES")];
7627     [ignoredCell_ setAccessoryView:ignoredSwitch_];
7628     [ignoredCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7629 }
7630
7631 - (void) viewDidLoad {
7632     [[self navigationItem] setTitle:UCLocalize("SETTINGS")];
7633 }
7634
7635 - (void) releaseSubviews {
7636     [ignoredCell_ release];
7637     ignoredCell_ = nil;
7638
7639     [subscribedCell_ release];
7640     subscribedCell_ = nil;
7641
7642     [table_ release];
7643     table_ = nil;
7644
7645     [ignoredSwitch_ release];
7646     ignoredSwitch_ = nil;
7647
7648     [subscribedSwitch_ release];
7649     subscribedSwitch_ = nil;
7650 }
7651
7652 - (id) initWithDatabase:(Database *)database package:(NSString *)package {
7653     if ((self = [super init]) != nil) {
7654         database_ = database;
7655         name_ = [package retain];
7656     } return self;
7657 }
7658
7659 - (void) reloadData {
7660     [super reloadData];
7661
7662     if (package_ != nil)
7663         [package_ autorelease];
7664     package_ = [database_ packageWithName:name_];
7665
7666     if (package_ != nil) {
7667         package_ = [package_ retain];
7668         [subscribedSwitch_ setOn:([package_ subscribed] ? 1 : 0) animated:NO];
7669         [ignoredSwitch_ setOn:([package_ ignored] ? 1 : 0) animated:NO];
7670     } // XXX: what now, G?
7671
7672     [table_ reloadData];
7673 }
7674
7675 @end
7676 /* }}} */
7677
7678 /* Installed Controller {{{ */
7679 @interface InstalledController : FilteredPackageListController {
7680     BOOL expert_;
7681 }
7682
7683 - (id) initWithDatabase:(Database *)database;
7684
7685 - (void) updateRoleButton;
7686 - (void) queueStatusDidChange;
7687
7688 @end
7689
7690 @implementation InstalledController
7691
7692 - (void) dealloc {
7693     [super dealloc];
7694 }
7695
7696 - (NSURL *) navigationURL {
7697     return [NSURL URLWithString:@"cydia://installed"];
7698 }
7699
7700 - (id) initWithDatabase:(Database *)database {
7701     if ((self = [super initWithDatabase:database title:UCLocalize("INSTALLED") filter:@selector(isInstalledAndUnfiltered:) with:[NSNumber numberWithBool:YES]]) != nil) {
7702         [self updateRoleButton];
7703         [self queueStatusDidChange];
7704     } return self;
7705 }
7706
7707 #if !AlwaysReload
7708 - (void) queueButtonClicked {
7709     [delegate_ queue];
7710 }
7711 #endif
7712
7713 - (void) queueStatusDidChange {
7714 #if !AlwaysReload
7715     if (IsWildcat_) {
7716         if (Queuing_) {
7717             [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7718                 initWithTitle:UCLocalize("QUEUE")
7719                 style:UIBarButtonItemStyleDone
7720                 target:self
7721                 action:@selector(queueButtonClicked)
7722             ] autorelease]];
7723         } else {
7724             [[self navigationItem] setLeftBarButtonItem:nil];
7725         }
7726     }
7727 #endif
7728 }
7729
7730 - (void) updateRoleButton {
7731     if (Role_ != nil && ![Role_ isEqualToString:@"Developer"])
7732         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
7733             initWithTitle:(expert_ ? UCLocalize("EXPERT") : UCLocalize("SIMPLE"))
7734             style:(expert_ ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
7735             target:self
7736             action:@selector(roleButtonClicked)
7737         ] autorelease]];
7738 }
7739
7740 - (void) roleButtonClicked {
7741     [self setObject:[NSNumber numberWithBool:expert_]];
7742     [self reloadData];
7743     expert_ = !expert_;
7744
7745     [self updateRoleButton];
7746 }
7747
7748 @end
7749 /* }}} */
7750
7751 /* Source Cell {{{ */
7752 @interface SourceCell : CYTableViewCell <
7753     ContentDelegate
7754 > {
7755     UIImage *icon_;
7756     NSString *origin_;
7757     NSString *label_;
7758 }
7759
7760 - (void) setSource:(Source *)source;
7761
7762 @end
7763
7764 @implementation SourceCell
7765
7766 - (void) clearSource {
7767     [icon_ release];
7768     [origin_ release];
7769     [label_ release];
7770
7771     icon_ = nil;
7772     origin_ = nil;
7773     label_ = nil;
7774 }
7775
7776 - (void) setSource:(Source *)source {
7777     [self clearSource];
7778
7779     if (icon_ == nil)
7780         icon_ = [UIImage applicationImageNamed:[NSString stringWithFormat:@"Sources/%@.png", [source host]]];
7781     if (icon_ == nil)
7782         icon_ = [UIImage applicationImageNamed:@"unknown.png"];
7783     icon_ = [icon_ retain];
7784
7785     origin_ = [[source name] retain];
7786     label_ = [[source uri] retain];
7787
7788     [content_ setNeedsDisplay];
7789 }
7790
7791 - (void) dealloc {
7792     [self clearSource];
7793     [super dealloc];
7794 }
7795
7796 - (SourceCell *) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
7797     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
7798         UIView *content([self contentView]);
7799         CGRect bounds([content bounds]);
7800
7801         content_ = [[ContentView alloc] initWithFrame:bounds];
7802         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7803         [content_ setBackgroundColor:[UIColor whiteColor]];
7804         [content addSubview:content_];
7805
7806         [content_ setDelegate:self];
7807         [content_ setOpaque:YES];
7808     } return self;
7809 }
7810
7811 - (NSString *) accessibilityLabel {
7812     return label_;
7813 }
7814
7815 - (void) drawContentRect:(CGRect)rect {
7816     bool highlighted(highlighted_);
7817     float width(rect.size.width);
7818
7819     if (icon_ != nil)
7820         [icon_ drawInRect:CGRectMake(10, 10, 30, 30)];
7821
7822     if (highlighted)
7823         UISetColor(White_);
7824
7825     if (!highlighted)
7826         UISetColor(Black_);
7827     [origin_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - 80) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
7828
7829     if (!highlighted)
7830         UISetColor(Blue_);
7831     [label_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
7832 }
7833
7834 @end
7835 /* }}} */
7836 /* Source Controller {{{ */
7837 @interface SourceController : FilteredPackageListController {
7838     _transient Source *source_;
7839     NSString *key_;
7840 }
7841
7842 - (id) initWithDatabase:(Database *)database source:(Source *)source;
7843
7844 @end
7845
7846 @implementation SourceController
7847
7848 - (NSURL *) navigationURL {
7849     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sources/%@", [source_ name]]];
7850 }
7851
7852 - (id) initWithDatabase:(Database *)database source:(Source *)source {
7853     if ((self = [super initWithDatabase:database title:[source label] filter:@selector(isVisibleInSource:) with:source]) != nil) {
7854         source_ = source;
7855         key_ = [[source key] retain];
7856     } return self;
7857 }
7858
7859 - (void) reloadData {
7860     source_ = [database_ sourceWithKey:key_];
7861     [key_ release];
7862     key_ = [[source_ key] retain];
7863     [self setObject:source_];
7864     [[self navigationItem] setTitle:[source_ label]];
7865
7866     [super reloadData];
7867 }
7868
7869 @end
7870 /* }}} */
7871 /* Sources Controller {{{ */
7872 @interface SourcesController : CYViewController <
7873     UITableViewDataSource,
7874     UITableViewDelegate
7875 > {
7876     _transient Database *database_;
7877     UITableView *list_;
7878     NSMutableArray *sources_;
7879     int offset_;
7880
7881     NSString *href_;
7882     UIProgressHUD *hud_;
7883     NSError *error_;
7884
7885     //NSURLConnection *installer_;
7886     NSURLConnection *trivial_;
7887     NSURLConnection *trivial_bz2_;
7888     NSURLConnection *trivial_gz_;
7889     //NSURLConnection *automatic_;
7890
7891     BOOL cydia_;
7892 }
7893
7894 - (id) initWithDatabase:(Database *)database;
7895 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated;
7896
7897 @end
7898
7899 @implementation SourcesController
7900
7901 - (void) _releaseConnection:(NSURLConnection *)connection {
7902     if (connection != nil) {
7903         [connection cancel];
7904         //[connection setDelegate:nil];
7905         [connection release];
7906     }
7907 }
7908
7909 - (void) dealloc {
7910     [self releaseSubviews];
7911
7912     [href_ release];
7913     [hud_ release];
7914     [error_ release];
7915
7916     //[self _releaseConnection:installer_];
7917     [self _releaseConnection:trivial_];
7918     [self _releaseConnection:trivial_gz_];
7919     [self _releaseConnection:trivial_bz2_];
7920     //[self _releaseConnection:automatic_];
7921
7922     [sources_ release];
7923     [super dealloc];
7924 }
7925
7926 - (NSURL *) navigationURL {
7927     return [NSURL URLWithString:@"cydia://sources"];
7928 }
7929
7930 - (void) viewDidAppear:(BOOL)animated {
7931     [super viewDidAppear:animated];
7932     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7933 }
7934
7935 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
7936     return offset_ == 0 ? 1 : 2;
7937 }
7938
7939 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
7940     switch (section + (offset_ == 0 ? 1 : 0)) {
7941         case 0: return UCLocalize("ENTERED_BY_USER");
7942         case 1: return UCLocalize("INSTALLED_BY_PACKAGE");
7943
7944         _nodefault
7945     }
7946 }
7947
7948 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7949     int count = [sources_ count];
7950     switch (section) {
7951         case 0: return (offset_ == 0 ? count : offset_);
7952         case 1: return count - offset_;
7953
7954         _nodefault
7955     }
7956 }
7957
7958 - (Source *) sourceAtIndexPath:(NSIndexPath *)indexPath {
7959     unsigned idx = 0;
7960     switch (indexPath.section) {
7961         case 0: idx = indexPath.row; break;
7962         case 1: idx = indexPath.row + offset_; break;
7963
7964         _nodefault
7965     }
7966     return [sources_ objectAtIndex:idx];
7967 }
7968
7969 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7970     static NSString *cellIdentifier = @"SourceCell";
7971
7972     SourceCell *cell = (SourceCell *) [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
7973     if(cell == nil) cell = [[[SourceCell alloc] initWithFrame:CGRectZero reuseIdentifier:cellIdentifier] autorelease];
7974     [cell setSource:[self sourceAtIndexPath:indexPath]];
7975     [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator];
7976
7977     return cell;
7978 }
7979
7980 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
7981     Source *source = [self sourceAtIndexPath:indexPath];
7982
7983     SourceController *controller = [[[SourceController alloc]
7984         initWithDatabase:database_
7985         source:source
7986     ] autorelease];
7987
7988     [controller setDelegate:delegate_];
7989
7990     [[self navigationController] pushViewController:controller animated:YES];
7991 }
7992
7993 - (BOOL) tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
7994     Source *source = [self sourceAtIndexPath:indexPath];
7995     return [source record] != nil;
7996 }
7997
7998 - (void) tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
7999     Source *source = [self sourceAtIndexPath:indexPath];
8000     [Sources_ removeObjectForKey:[source key]];
8001     [delegate_ syncData];
8002 }
8003
8004 - (void) complete {
8005     [delegate_ addTrivialSource:href_];
8006     [delegate_ syncData];
8007 }
8008
8009 - (NSString *) getWarning {
8010     NSString *href(href_);
8011     NSRange colon([href rangeOfString:@"://"]);
8012     if (colon.location != NSNotFound)
8013         href = [href substringFromIndex:(colon.location + 3)];
8014     href = [href stringByAddingPercentEscapes];
8015     href = [CydiaURL(@"api/repotag/") stringByAppendingString:href];
8016     href = [href stringByCachingURLWithCurrentCDN];
8017
8018     NSURL *url([NSURL URLWithString:href]);
8019
8020     NSStringEncoding encoding;
8021     NSError *error(nil);
8022
8023     if (NSString *warning = [NSString stringWithContentsOfURL:url usedEncoding:&encoding error:&error])
8024         return [warning length] == 0 ? nil : warning;
8025     return nil;
8026 }
8027
8028 - (void) _endConnection:(NSURLConnection *)connection {
8029     // XXX: the memory management in this method is horribly awkward
8030
8031     NSURLConnection **field = NULL;
8032     if (connection == trivial_)
8033         field = &trivial_;
8034     else if (connection == trivial_bz2_)
8035         field = &trivial_bz2_;
8036     else if (connection == trivial_gz_)
8037         field = &trivial_gz_;
8038     _assert(field != NULL);
8039     [connection release];
8040     *field = nil;
8041
8042     if (
8043         trivial_ == nil &&
8044         trivial_bz2_ == nil &&
8045         trivial_gz_ == nil
8046     ) {
8047         bool defer(false);
8048
8049         if (cydia_) {
8050             if (NSString *warning = [self yieldToSelector:@selector(getWarning)]) {
8051                 defer = true;
8052
8053                 UIAlertView *alert = [[[UIAlertView alloc]
8054                     initWithTitle:UCLocalize("SOURCE_WARNING")
8055                     message:warning
8056                     delegate:self
8057                     cancelButtonTitle:UCLocalize("CANCEL")
8058                     otherButtonTitles:
8059                         UCLocalize("ADD_ANYWAY"),
8060                     nil
8061                 ] autorelease];
8062
8063                 [alert setContext:@"warning"];
8064                 [alert setNumberOfRows:1];
8065                 [alert show];
8066             } else
8067                 [self complete];
8068         } else if (error_ != nil) {
8069             UIAlertView *alert = [[[UIAlertView alloc]
8070                 initWithTitle:UCLocalize("VERIFICATION_ERROR")
8071                 message:[error_ localizedDescription]
8072                 delegate:self
8073                 cancelButtonTitle:UCLocalize("OK")
8074                 otherButtonTitles:nil
8075             ] autorelease];
8076
8077             [alert setContext:@"urlerror"];
8078             [alert show];
8079         } else {
8080             UIAlertView *alert = [[[UIAlertView alloc]
8081                 initWithTitle:UCLocalize("NOT_REPOSITORY")
8082                 message:UCLocalize("NOT_REPOSITORY_EX")
8083                 delegate:self
8084                 cancelButtonTitle:UCLocalize("OK")
8085                 otherButtonTitles:nil
8086             ] autorelease];
8087
8088             [alert setContext:@"trivial"];
8089             [alert show];
8090         }
8091
8092         [delegate_ releaseNetworkActivityIndicator];
8093
8094         [delegate_ removeProgressHUD:hud_];
8095         [hud_ autorelease];
8096         hud_ = nil;
8097
8098         if (!defer) {
8099             [href_ release];
8100             href_ = nil;
8101         }
8102
8103         if (error_ != nil) {
8104             [error_ release];
8105             error_ = nil;
8106         }
8107     }
8108 }
8109
8110 - (void) connection:(NSURLConnection *)connection didReceiveResponse:(NSHTTPURLResponse *)response {
8111     switch ([response statusCode]) {
8112         case 200:
8113             cydia_ = YES;
8114     }
8115 }
8116
8117 - (void) connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
8118     lprintf("connection:\"%s\" didFailWithError:\"%s\"", [href_ UTF8String], [[error localizedDescription] UTF8String]);
8119     if (error_ != nil)
8120         error_ = [error retain];
8121     [self _endConnection:connection];
8122 }
8123
8124 - (void) connectionDidFinishLoading:(NSURLConnection *)connection {
8125     [self _endConnection:connection];
8126 }
8127
8128 - (NSURLConnection *) _requestHRef:(NSString *)href method:(NSString *)method {
8129     NSMutableURLRequest *request = [NSMutableURLRequest
8130         requestWithURL:[NSURL URLWithString:href]
8131         cachePolicy:NSURLRequestUseProtocolCachePolicy
8132         timeoutInterval:120.0
8133     ];
8134
8135     [request setHTTPMethod:method];
8136
8137     if (Machine_ != NULL)
8138         [request setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
8139     if (UniqueID_ != nil)
8140         [request setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
8141     if (Role_ != nil)
8142         [request setValue:Role_ forHTTPHeaderField:@"X-Role"];
8143
8144     return [[[NSURLConnection alloc] initWithRequest:request delegate:self] autorelease];
8145 }
8146
8147 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
8148     NSString *context([alert context]);
8149
8150     if ([context isEqualToString:@"source"]) {
8151         switch (button) {
8152             case 1: {
8153                 NSString *href = [[alert textField] text];
8154
8155                 //installer_ = [[self _requestHRef:href method:@"GET"] retain];
8156
8157                 if (![href hasSuffix:@"/"])
8158                     href_ = [href stringByAppendingString:@"/"];
8159                 else
8160                     href_ = href;
8161                 href_ = [href_ retain];
8162
8163                 trivial_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages"] method:@"HEAD"] retain];
8164                 trivial_bz2_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.bz2"] method:@"HEAD"] retain];
8165                 trivial_gz_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.gz"] method:@"HEAD"] retain];
8166                 //trivial_bz2_ = [[self _requestHRef:[href stringByAppendingString:@"dists/Release"] method:@"HEAD"] retain];
8167
8168                 cydia_ = false;
8169
8170                 // XXX: this is stupid
8171                 hud_ = [[delegate_ addProgressHUD] retain];
8172                 [hud_ setText:UCLocalize("VERIFYING_URL")];
8173                 [delegate_ retainNetworkActivityIndicator];
8174             } break;
8175
8176             case 0:
8177             break;
8178
8179             _nodefault
8180         }
8181
8182         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8183     } else if ([context isEqualToString:@"trivial"])
8184         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8185     else if ([context isEqualToString:@"urlerror"])
8186         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8187     else if ([context isEqualToString:@"warning"]) {
8188         switch (button) {
8189             case 1:
8190                 [self complete];
8191             break;
8192
8193             case 0:
8194             break;
8195
8196             _nodefault
8197         }
8198
8199         [href_ release];
8200         href_ = nil;
8201
8202         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8203     }
8204 }
8205
8206 - (void) loadView {
8207     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8208
8209     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
8210     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8211     [list_ setRowHeight:56];
8212     [list_ setDataSource:self];
8213     [list_ setDelegate:self];
8214     [[self view] addSubview:list_];
8215 }
8216
8217 - (void) viewDidLoad {
8218     [[self navigationItem] setTitle:UCLocalize("SOURCES")];
8219     [self updateButtonsForEditingStatus:NO animated:NO];
8220 }
8221
8222 - (void) releaseSubviews {
8223     [list_ release];
8224     list_ = nil;
8225 }
8226
8227 - (id) initWithDatabase:(Database *)database {
8228     if ((self = [super init]) != nil) {
8229         database_ = database;
8230         sources_ = [[NSMutableArray arrayWithCapacity:16] retain];
8231     } return self;
8232 }
8233
8234 - (void) reloadData {
8235     [super reloadData];
8236
8237     pkgSourceList list;
8238     if ([database_ popErrorWithTitle:UCLocalize("SOURCES") forOperation:list.ReadMainList()])
8239         return;
8240
8241     [sources_ removeAllObjects];
8242     [sources_ addObjectsFromArray:[database_ sources]];
8243     _trace();
8244     [sources_ sortUsingSelector:@selector(compareByNameAndType:)];
8245     _trace();
8246
8247     int count([sources_ count]);
8248     offset_ = 0;
8249     for (int i = 0; i != count; i++) {
8250         if ([[sources_ objectAtIndex:i] record] == nil)
8251             break;
8252         offset_++;
8253     }
8254
8255     [list_ setEditing:NO];
8256     [self updateButtonsForEditingStatus:NO animated:NO];
8257     [list_ reloadData];
8258 }
8259
8260 - (void) showAddSourcePrompt {
8261     UIAlertView *alert = [[[UIAlertView alloc]
8262         initWithTitle:UCLocalize("ENTER_APT_URL")
8263         message:nil
8264         delegate:self
8265         cancelButtonTitle:UCLocalize("CANCEL")
8266         otherButtonTitles:
8267             UCLocalize("ADD_SOURCE"),
8268         nil
8269     ] autorelease];
8270
8271     [alert setContext:@"source"];
8272     [alert setTransform:CGAffineTransformTranslate([alert transform], 0.0, 100.0)];
8273
8274     [alert setNumberOfRows:1];
8275     [alert addTextFieldWithValue:@"http://" label:@""];
8276
8277     UITextInputTraits *traits = [[alert textField] textInputTraits];
8278     [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
8279     [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
8280     [traits setKeyboardType:UIKeyboardTypeURL];
8281     // XXX: UIReturnKeyDone
8282     [traits setReturnKeyType:UIReturnKeyNext];
8283
8284     [alert show];
8285 }
8286
8287 - (void) addButtonClicked {
8288     [self showAddSourcePrompt];
8289 }
8290
8291 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated {
8292     [[self navigationItem] setLeftBarButtonItem:(editing ? [[[UIBarButtonItem alloc]
8293         initWithTitle:UCLocalize("ADD")
8294         style:UIBarButtonItemStylePlain
8295         target:self
8296         action:@selector(addButtonClicked)
8297     ] autorelease] : [[self navigationItem] backBarButtonItem]) animated:animated];
8298
8299     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8300         initWithTitle:(editing ? UCLocalize("DONE") : UCLocalize("EDIT"))
8301         style:(editing ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
8302         target:self
8303         action:@selector(editButtonClicked)
8304     ] autorelease] animated:animated];
8305
8306     if (IsWildcat_ && !editing)
8307         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
8308             initWithTitle:UCLocalize("SETTINGS")
8309             style:UIBarButtonItemStylePlain
8310             target:self
8311             action:@selector(settingsButtonClicked)
8312         ] autorelease]];
8313 }
8314
8315 - (void) settingsButtonClicked {
8316     [delegate_ showSettings];
8317 }
8318
8319 - (void) editButtonClicked {
8320     [list_ setEditing:![list_ isEditing] animated:YES];
8321
8322     [self updateButtonsForEditingStatus:[list_ isEditing] animated:YES];
8323 }
8324
8325 @end
8326 /* }}} */
8327
8328 /* Settings Controller {{{ */
8329 @interface SettingsController : CYViewController <
8330     UITableViewDataSource,
8331     UITableViewDelegate
8332 > {
8333     _transient Database *database_;
8334     // XXX: ok, "roledelegate_"?...
8335     _transient id roledelegate_;
8336     UITableView *table_;
8337     UISegmentedControl *segment_;
8338     UIView *container_;
8339 }
8340
8341 - (void) showDoneButton;
8342 - (void) resizeSegmentedControl;
8343
8344 @end
8345
8346 @implementation SettingsController
8347
8348 - (void) dealloc {
8349     [self releaseSubviews];
8350
8351     [super dealloc];
8352 }
8353
8354 - (void) loadView {
8355     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8356
8357     table_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped];
8358     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8359     [table_ setDelegate:self];
8360     [table_ setDataSource:self];
8361     [[self view] addSubview:table_];
8362
8363     NSArray *items = [NSArray arrayWithObjects:
8364         UCLocalize("USER"),
8365         UCLocalize("HACKER"),
8366         UCLocalize("DEVELOPER"),
8367     nil];
8368     segment_ = [[UISegmentedControl alloc] initWithItems:items];
8369     container_ = [[UIView alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, 44.0f)];
8370     [container_ addSubview:segment_];
8371 }
8372
8373 - (void) viewDidLoad {
8374     [[self navigationItem] setTitle:UCLocalize("WHO_ARE_YOU")];
8375
8376     int index = -1;
8377     if ([Role_ isEqualToString:@"User"]) index = 0;
8378     if ([Role_ isEqualToString:@"Hacker"]) index = 1;
8379     if ([Role_ isEqualToString:@"Developer"]) index = 2;
8380     if (index != -1) {
8381         [segment_ setSelectedSegmentIndex:index];
8382         [self showDoneButton];
8383     }
8384
8385     [segment_ addTarget:self action:@selector(segmentChanged:) forControlEvents:UIControlEventValueChanged];
8386     [self resizeSegmentedControl];
8387 }
8388
8389 - (void) releaseSubviews {
8390     [table_ release];
8391     table_ = nil;
8392
8393     [segment_ release];
8394     segment_ = nil;
8395
8396     [container_ release];
8397     container_ = nil;
8398 }
8399
8400 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
8401     if ((self = [super init]) != nil) {
8402         database_ = database;
8403         roledelegate_ = delegate;
8404     } return self;
8405 }
8406
8407 - (void) resizeSegmentedControl {
8408     CGFloat width = [[self view] frame].size.width;
8409     [segment_ setFrame:CGRectMake(width / 32.0f, 0, width - (width / 32.0f * 2.0f), 44.0f)];
8410 }
8411
8412 - (void) viewWillAppear:(BOOL)animated {
8413     [super viewWillAppear:animated];
8414
8415     [self resizeSegmentedControl];
8416 }
8417
8418 - (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration {
8419     [self resizeSegmentedControl];
8420 }
8421
8422 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
8423     [self resizeSegmentedControl];
8424 }
8425
8426 - (void) save {
8427     NSString *role(nil);
8428
8429     switch ([segment_ selectedSegmentIndex]) {
8430         case 0: role = @"User"; break;
8431         case 1: role = @"Hacker"; break;
8432         case 2: role = @"Developer"; break;
8433
8434         _nodefault
8435     }
8436
8437     if (![role isEqualToString:Role_]) {
8438         bool rolling(Role_ == nil);
8439         Role_ = role;
8440
8441         Settings_ = [NSMutableDictionary dictionaryWithObjectsAndKeys:
8442             Role_, @"Role",
8443         nil];
8444
8445         [Metadata_ setObject:Settings_ forKey:@"Settings"];
8446         Changed_ = true;
8447
8448         if (rolling)
8449             [roledelegate_ loadData];
8450         else
8451             [roledelegate_ updateData];
8452     }
8453 }
8454
8455 - (void) segmentChanged:(UISegmentedControl *)control {
8456     [self showDoneButton];
8457 }
8458
8459 - (void) saveAndClose {
8460     [self save];
8461
8462     [[self navigationItem] setRightBarButtonItem:nil];
8463     [[self navigationController] dismissModalViewControllerAnimated:YES];
8464 }
8465
8466 - (void) doneButtonClicked {
8467     UIActivityIndicatorView *spinner = [[[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(0, 0, 20.0f, 20.0f)] autorelease];
8468     [spinner startAnimating];
8469     UIBarButtonItem *spinItem = [[[UIBarButtonItem alloc] initWithCustomView:spinner] autorelease];
8470     [[self navigationItem] setRightBarButtonItem:spinItem];
8471
8472     [self performSelector:@selector(saveAndClose) withObject:nil afterDelay:0];
8473 }
8474
8475 - (void) showDoneButton {
8476     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8477         initWithTitle:UCLocalize("DONE")
8478         style:UIBarButtonItemStyleDone
8479         target:self
8480         action:@selector(doneButtonClicked)
8481     ] autorelease] animated:([[self navigationItem] rightBarButtonItem] == nil)];
8482 }
8483
8484 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8485     // XXX: For not having a single cell in the table, this sure is a lot of sections.
8486     return 6;
8487 }
8488
8489 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8490     return 0; // :(
8491 }
8492
8493 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8494     return nil; // This method is required by the protocol.
8495 }
8496
8497 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
8498     if (section == 1)
8499         return UCLocalize("ROLE_EX");
8500     if (section == 4)
8501         return [NSString stringWithFormat:
8502             @"%@: %@\n%@: %@\n%@: %@",
8503             UCLocalize("USER"), UCLocalize("USER_EX"),
8504             UCLocalize("HACKER"), UCLocalize("HACKER_EX"),
8505             UCLocalize("DEVELOPER"), UCLocalize("DEVELOPER_EX")
8506         ];
8507     else return nil;
8508 }
8509
8510 - (CGFloat) tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
8511     return section == 3 ? 44.0f : 0;
8512 }
8513
8514 - (UIView *) tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
8515     return section == 3 ? container_ : nil;
8516 }
8517
8518 - (void) reloadData {
8519     [super reloadData];
8520     [table_ reloadData];
8521 }
8522
8523 @end
8524 /* }}} */
8525 /* Stash Controller {{{ */
8526 @interface StashController : CYViewController {
8527     UIActivityIndicatorView *spinner_;
8528     UILabel *status_;
8529     UILabel *caption_;
8530 }
8531
8532 @end
8533
8534 @implementation StashController
8535
8536 - (void) dealloc {
8537     [self releaseSubviews];
8538
8539     [super dealloc];
8540 }
8541
8542 - (void) loadView {
8543     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8544     [[self view] setBackgroundColor:[UIColor viewFlipsideBackgroundColor]];
8545
8546     spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge] autorelease];
8547     CGRect spinrect = [spinner_ frame];
8548     spinrect.origin.x = ([[self view] frame].size.width / 2) - (spinrect.size.width / 2);
8549     spinrect.origin.y = [[self view] frame].size.height - 80.0f;
8550     [spinner_ setFrame:spinrect];
8551     [spinner_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin];
8552     [[self view] addSubview:spinner_];
8553     [spinner_ startAnimating];
8554
8555     CGRect captrect;
8556     captrect.size.width = [[self view] frame].size.width;
8557     captrect.size.height = 40.0f;
8558     captrect.origin.x = 0;
8559     captrect.origin.y = ([[self view] frame].size.height / 2) - (captrect.size.height * 2);
8560     caption_ = [[[UILabel alloc] initWithFrame:captrect] autorelease];
8561     [caption_ setText:UCLocalize("PREPARING_FILESYSTEM")];
8562     [caption_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8563     [caption_ setFont:[UIFont boldSystemFontOfSize:28.0f]];
8564     [caption_ setTextColor:[UIColor whiteColor]];
8565     [caption_ setBackgroundColor:[UIColor clearColor]];
8566     [caption_ setShadowColor:[UIColor blackColor]];
8567     [caption_ setTextAlignment:UITextAlignmentCenter];
8568     [[self view] addSubview:caption_];
8569
8570     CGRect statusrect;
8571     statusrect.size.width = [[self view] frame].size.width;
8572     statusrect.size.height = 30.0f;
8573     statusrect.origin.x = 0;
8574     statusrect.origin.y = ([[self view] frame].size.height / 2) - statusrect.size.height;
8575     status_ = [[[UILabel alloc] initWithFrame:statusrect] autorelease];
8576     [status_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8577     [status_ setText:UCLocalize("EXIT_WHEN_COMPLETE")];
8578     [status_ setFont:[UIFont systemFontOfSize:16.0f]];
8579     [status_ setTextColor:[UIColor whiteColor]];
8580     [status_ setBackgroundColor:[UIColor clearColor]];
8581     [status_ setShadowColor:[UIColor blackColor]];
8582     [status_ setTextAlignment:UITextAlignmentCenter];
8583     [[self view] addSubview:status_];
8584 }
8585
8586 - (void) releaseSubviews {
8587     [spinner_ release];
8588     spinner_ = nil;
8589
8590     [status_ release];
8591     status_ = nil;
8592
8593     [caption_ release];
8594     caption_ = nil;
8595 }
8596
8597 @end
8598 /* }}} */
8599
8600 @interface Cydia : UIApplication <
8601     ConfirmationControllerDelegate,
8602     DatabaseDelegate,
8603     CydiaDelegate,
8604     UINavigationControllerDelegate,
8605     UITabBarControllerDelegate
8606 > {
8607     // XXX: evaluate all fields for _transient
8608
8609     UIWindow *window_;
8610     CYTabBarController *tabbar_;
8611     CYEmulatedLoadingController *emulated_;
8612
8613     NSMutableArray *essential_;
8614     NSMutableArray *broken_;
8615
8616     Database *database_;
8617
8618     NSURL *starturl_;
8619
8620     unsigned locked_;
8621     unsigned activity_;
8622
8623     StashController *stash_;
8624
8625     bool loaded_;
8626 }
8627
8628 - (void) loadData;
8629
8630 @end
8631
8632 @implementation Cydia
8633
8634 - (void) beginUpdate {
8635     [tabbar_ beginUpdate];
8636 }
8637
8638 - (BOOL) updating {
8639     return [tabbar_ updating];
8640 }
8641
8642 - (void) _loaded {
8643     if ([broken_ count] != 0) {
8644         int count = [broken_ count];
8645
8646         UIAlertView *alert = [[[UIAlertView alloc]
8647             initWithTitle:(count == 1 ? UCLocalize("HALFINSTALLED_PACKAGE") : [NSString stringWithFormat:UCLocalize("HALFINSTALLED_PACKAGES"), count])
8648             message:UCLocalize("HALFINSTALLED_PACKAGE_EX")
8649             delegate:self
8650             cancelButtonTitle:UCLocalize("FORCIBLY_CLEAR")
8651             otherButtonTitles:
8652                 UCLocalize("TEMPORARY_IGNORE"),
8653             nil
8654         ] autorelease];
8655
8656         [alert setContext:@"fixhalf"];
8657         [alert show];
8658     } else if (!Ignored_ && [essential_ count] != 0) {
8659         int count = [essential_ count];
8660
8661         UIAlertView *alert = [[[UIAlertView alloc]
8662             initWithTitle:(count == 1 ? UCLocalize("ESSENTIAL_UPGRADE") : [NSString stringWithFormat:UCLocalize("ESSENTIAL_UPGRADES"), count])
8663             message:UCLocalize("ESSENTIAL_UPGRADE_EX")
8664             delegate:self
8665             cancelButtonTitle:UCLocalize("TEMPORARY_IGNORE")
8666             otherButtonTitles:
8667                 UCLocalize("UPGRADE_ESSENTIAL"),
8668                 UCLocalize("COMPLETE_UPGRADE"),
8669             nil
8670         ] autorelease];
8671
8672         [alert setContext:@"upgrade"];
8673         [alert show];
8674     }
8675 }
8676
8677 - (void) _saveConfig {
8678     _trace();
8679     MetaFile_.Sync();
8680     _trace();
8681
8682     if (Changed_) {
8683         NSString *error(nil);
8684
8685         if (NSData *data = [NSPropertyListSerialization dataFromPropertyList:Metadata_ format:NSPropertyListBinaryFormat_v1_0 errorDescription:&error]) {
8686             _trace();
8687             NSError *error(nil);
8688             if (![data writeToFile:@"/var/lib/cydia/metadata.plist" options:NSAtomicWrite error:&error])
8689                 NSLog(@"failure to save metadata data: %@", error);
8690             _trace();
8691
8692             Changed_ = false;
8693         } else {
8694             NSLog(@"failure to serialize metadata: %@", error);
8695         }
8696     }
8697 }
8698
8699 // Navigation controller for the queuing badge.
8700 - (CYNavigationController *) queueNavigationController {
8701     NSArray *controllers = [tabbar_ viewControllers];
8702     return [controllers objectAtIndex:3];
8703 }
8704
8705 - (void) _updateData {
8706     [self _saveConfig];
8707
8708     [tabbar_ reloadData];
8709
8710     CYNavigationController *navigation = [self queueNavigationController];
8711
8712     id queuedelegate = nil;
8713     if ([[navigation viewControllers] count] > 0)
8714         queuedelegate = [[navigation viewControllers] objectAtIndex:0];
8715
8716     [queuedelegate queueStatusDidChange];
8717     [[navigation tabBarItem] setBadgeValue:(Queuing_ ? UCLocalize("Q_D") : nil)];
8718 }
8719
8720 - (void) _refreshIfPossible:(NSDate *)update {
8721     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
8722
8723     bool recently = false;
8724     if (update != nil) {
8725         NSTimeInterval interval([update timeIntervalSinceNow]);
8726         if (interval <= 0 && interval > -(15*60))
8727             recently = true;
8728     }
8729
8730     // Don't automatic refresh if:
8731     //  - We already refreshed recently.
8732     //  - We already auto-refreshed this launch.
8733     //  - Auto-refresh is disabled.
8734     if (recently || loaded_ || ManualRefresh) {
8735         [self performSelectorOnMainThread:@selector(_loaded) withObject:nil waitUntilDone:NO];
8736
8737         // If we are cancelling, we need to make sure it knows it's already loaded.
8738         loaded_ = true;
8739         return;
8740     } else {
8741         // We are going to load, so remember that.
8742         loaded_ = true;
8743     }
8744
8745     SCNetworkReachabilityFlags flags; {
8746         SCNetworkReachabilityRef reachability(SCNetworkReachabilityCreateWithName(NULL, "cydia.saurik.com"));
8747         SCNetworkReachabilityGetFlags(reachability, &flags);
8748         CFRelease(reachability);
8749     }
8750
8751     // XXX: this elaborate mess is what Apple is using to determine this? :(
8752     // XXX: do we care if the user has to intervene? maybe that's ok?
8753     bool reachable(
8754         (flags & kSCNetworkReachabilityFlagsReachable) != 0 && (
8755             (flags & kSCNetworkReachabilityFlagsConnectionRequired) == 0 || (
8756                 (flags & kSCNetworkReachabilityFlagsConnectionOnDemand) != 0 ||
8757                 (flags & kSCNetworkReachabilityFlagsConnectionOnTraffic) != 0
8758             ) && (flags & kSCNetworkReachabilityFlagsInterventionRequired) == 0 ||
8759             (flags & kSCNetworkReachabilityFlagsIsWWAN) != 0
8760         )
8761     );
8762
8763     // If we can reach the server, auto-refresh!
8764     if (reachable)
8765         [tabbar_ performSelectorOnMainThread:@selector(setUpdate:) withObject:update waitUntilDone:NO];
8766
8767     [pool release];
8768 }
8769
8770 - (void) refreshIfPossible {
8771     [NSThread detachNewThreadSelector:@selector(_refreshIfPossible:) toTarget:self withObject:[Metadata_ objectForKey:@"LastUpdate"]];
8772 }
8773
8774 - (void) _reloadDataWithInvocation:(NSInvocation *)invocation {
8775     UIProgressHUD *hud(loaded_ ? [self addProgressHUD] : nil);
8776     [hud setText:UCLocalize("RELOADING_DATA")];
8777
8778     [database_ yieldToSelector:@selector(reloadDataWithInvocation:) withObject:invocation];
8779
8780     if (hud != nil)
8781         [self removeProgressHUD:hud];
8782
8783     size_t changes(0);
8784
8785     [essential_ removeAllObjects];
8786     [broken_ removeAllObjects];
8787
8788     NSArray *packages([database_ packages]);
8789     for (Package *package in packages) {
8790         if ([package half])
8791             [broken_ addObject:package];
8792         if ([package upgradableAndEssential:NO]) {
8793             if ([package essential])
8794                 [essential_ addObject:package];
8795             ++changes;
8796         }
8797     }
8798
8799     NSLog(@"changes:#%u", changes);
8800
8801     UITabBarItem *changesItem = [[[tabbar_ viewControllers] objectAtIndex:2] tabBarItem];
8802     if (changes != 0) {
8803         _trace();
8804         NSString *badge([[NSNumber numberWithInt:changes] stringValue]);
8805         [changesItem setBadgeValue:badge];
8806         [changesItem setAnimatedBadge:([essential_ count] > 0)];
8807         [self setApplicationIconBadgeNumber:changes];
8808     } else {
8809         _trace();
8810         [changesItem setBadgeValue:nil];
8811         [changesItem setAnimatedBadge:NO];
8812         [self setApplicationIconBadgeNumber:0];
8813     }
8814
8815     [self _updateData];
8816
8817     [self refreshIfPossible];
8818 }
8819
8820 - (void) updateData {
8821     [self _updateData];
8822 }
8823
8824 - (void) update_ {
8825     [database_ update];
8826 }
8827
8828 - (void) complete {
8829     @synchronized (self) {
8830         [self _reloadDataWithInvocation:nil];
8831     }
8832 }
8833
8834 - (void) presentModalViewController:(UIViewController *)controller {
8835     UINavigationController *navigation([[[CYNavigationController alloc] initWithRootViewController:controller] autorelease]);
8836     if (IsWildcat_)
8837         [navigation setModalPresentationStyle:UIModalPresentationFormSheet];
8838     [((UIViewController *) emulated_ ?: tabbar_) presentModalViewController:navigation animated:YES];
8839 }
8840
8841 - (ProgressController *) invokeNewProgress:(NSInvocation *)invocation forController:(UINavigationController *)navigation withTitle:(NSString *)title {
8842     ProgressController *progress([[[ProgressController alloc] initWithDatabase:database_ delegate:self] autorelease]);
8843
8844     if (navigation != nil)
8845         [navigation pushViewController:progress animated:YES];
8846     else
8847         [self presentModalViewController:progress];
8848
8849     [progress invoke:invocation withTitle:title];
8850     return progress;
8851 }
8852
8853 - (void) detachNewProgressSelector:(SEL)selector toTarget:(id)target forController:(UINavigationController *)navigation title:(NSString *)title {
8854     [self invokeNewProgress:[NSInvocation invocationWithSelector:selector forTarget:target] forController:navigation withTitle:title];
8855 }
8856
8857 - (void) repairWithInvocation:(NSInvocation *)invocation {
8858     _trace();
8859     [self invokeNewProgress:invocation forController:nil withTitle:UCLocalize("REPAIRING")];
8860     _trace();
8861 }
8862
8863 - (void) repairWithSelector:(SEL)selector {
8864     [self performSelectorOnMainThread:@selector(repairWithInvocation:) withObject:[NSInvocation invocationWithSelector:selector forTarget:database_] waitUntilDone:YES];
8865 }
8866
8867 - (void) syncData {
8868     [self _saveConfig];
8869
8870     FILE *file(fopen("/etc/apt/sources.list.d/cydia.list", "w"));
8871     _assert(file != NULL);
8872
8873     for (NSString *key in [Sources_ allKeys]) {
8874         NSDictionary *source([Sources_ objectForKey:key]);
8875
8876         fprintf(file, "%s %s %s\n",
8877             [[source objectForKey:@"Type"] UTF8String],
8878             [[source objectForKey:@"URI"] UTF8String],
8879             [[source objectForKey:@"Distribution"] UTF8String]
8880         );
8881     }
8882
8883     fclose(file);
8884
8885     [self detachNewProgressSelector:@selector(update_) toTarget:self forController:nil title:UCLocalize("UPDATING_SOURCES")];
8886
8887     [self complete];
8888 }
8889
8890 - (void) addTrivialSource:(NSString *)href {
8891     [Sources_ setObject:[NSDictionary dictionaryWithObjectsAndKeys:
8892         @"deb", @"Type",
8893         href, @"URI",
8894         @"./", @"Distribution",
8895     nil] forKey:[NSString stringWithFormat:@"deb:%@:./", href]];
8896
8897     Changed_ = true;
8898 }
8899
8900 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
8901     @synchronized (self) {
8902         [self _reloadDataWithInvocation:invocation];
8903     }
8904 }
8905
8906 - (void) reloadData {
8907     [self reloadDataWithInvocation:nil];
8908 }
8909
8910 - (void) resolve {
8911     pkgProblemResolver *resolver = [database_ resolver];
8912
8913     resolver->InstallProtect();
8914     if (!resolver->Resolve(true))
8915         _error->Discard();
8916 }
8917
8918 - (bool) perform {
8919     // XXX: this is a really crappy way of doing this.
8920     // like, seriously: this state machine is still broken, and cancelling this here doesn't really /fix/ that.
8921     // for one, the user can still /start/ a reloading data event while they have a queue, which is stupid
8922     // for two, this just means there is a race condition between the refresh completing and the confirmation controller appearing.
8923     if ([tabbar_ updating])
8924         [tabbar_ cancelUpdate];
8925
8926     if (![database_ prepare])
8927         return false;
8928
8929     ConfirmationController *page([[[ConfirmationController alloc] initWithDatabase:database_] autorelease]);
8930     [page setDelegate:self];
8931     CYNavigationController *confirm_([[[CYNavigationController alloc] initWithRootViewController:page] autorelease]);
8932     [confirm_ setDelegate:self];
8933
8934     if (IsWildcat_)
8935         [confirm_ setModalPresentationStyle:UIModalPresentationFormSheet];
8936     [tabbar_ presentModalViewController:confirm_ animated:YES];
8937
8938     return true;
8939 }
8940
8941 - (void) queue {
8942     @synchronized (self) {
8943         [self perform];
8944     }
8945 }
8946
8947 - (void) clearPackage:(Package *)package {
8948     @synchronized (self) {
8949         [package clear];
8950         [self resolve];
8951         [self perform];
8952     }
8953 }
8954
8955 - (void) installPackages:(NSArray *)packages {
8956     @synchronized (self) {
8957         for (Package *package in packages)
8958             [package install];
8959         [self resolve];
8960         [self perform];
8961     }
8962 }
8963
8964 - (void) installPackage:(Package *)package {
8965     @synchronized (self) {
8966         [package install];
8967         [self resolve];
8968         [self perform];
8969     }
8970 }
8971
8972 - (void) removePackage:(Package *)package {
8973     @synchronized (self) {
8974         [package remove];
8975         [self resolve];
8976         [self perform];
8977     }
8978 }
8979
8980 - (void) distUpgrade {
8981     @synchronized (self) {
8982         if (![database_ upgrade])
8983             return;
8984         [self perform];
8985     }
8986 }
8987
8988 - (void) confirmWithNavigationController:(UINavigationController *)navigation {
8989     Queuing_ = false;
8990     ++locked_;
8991     [self detachNewProgressSelector:@selector(perform) toTarget:database_ forController:navigation title:UCLocalize("RUNNING")];
8992     --locked_;
8993     [self complete];
8994 }
8995
8996 - (void) showSettings {
8997     SettingsController *role = [[[SettingsController alloc] initWithDatabase:database_ delegate:self] autorelease];
8998     CYNavigationController *nav = [[[CYNavigationController alloc] initWithRootViewController:role] autorelease];
8999     if (IsWildcat_)
9000         [nav setModalPresentationStyle:UIModalPresentationFormSheet];
9001     [tabbar_ presentModalViewController:nav animated:YES];
9002 }
9003
9004 - (void) retainNetworkActivityIndicator {
9005     if (activity_++ == 0)
9006         [self setNetworkActivityIndicatorVisible:YES];
9007
9008 #if TraceLogging
9009     NSLog(@"retainNetworkActivityIndicator->%d", activity_);
9010 #endif
9011 }
9012
9013 - (void) releaseNetworkActivityIndicator {
9014     if (--activity_ == 0)
9015         [self setNetworkActivityIndicatorVisible:NO];
9016
9017 #if TraceLogging
9018     NSLog(@"releaseNetworkActivityIndicator->%d", activity_);
9019 #endif
9020
9021 }
9022
9023 - (void) cancelAndClear:(bool)clear {
9024     @synchronized (self) {
9025         if (clear) {
9026             [database_ clear];
9027             Queuing_ = false;
9028         } else {
9029             Queuing_ = true;
9030         }
9031
9032         [self _updateData];
9033     }
9034 }
9035
9036 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
9037     NSString *context([alert context]);
9038
9039     if ([context isEqualToString:@"conffile"]) {
9040         FILE *input = [database_ input];
9041         if (button == [alert cancelButtonIndex])
9042             fprintf(input, "N\n");
9043         else if (button == [alert firstOtherButtonIndex])
9044             fprintf(input, "Y\n");
9045         fflush(input);
9046
9047         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9048     } else if ([context isEqualToString:@"fixhalf"]) {
9049         if (button == [alert cancelButtonIndex]) {
9050             @synchronized (self) {
9051                 for (Package *broken in broken_) {
9052                     [broken remove];
9053
9054                     NSString *id = [broken id];
9055                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.prerm", id] UTF8String]);
9056                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postrm", id] UTF8String]);
9057                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.preinst", id] UTF8String]);
9058                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postinst", id] UTF8String]);
9059                 }
9060
9061                 [self resolve];
9062                 [self perform];
9063             }
9064         } else if (button == [alert firstOtherButtonIndex]) {
9065             [broken_ removeAllObjects];
9066             [self _loaded];
9067         }
9068
9069         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9070     } else if ([context isEqualToString:@"upgrade"]) {
9071         if (button == [alert firstOtherButtonIndex]) {
9072             @synchronized (self) {
9073                 for (Package *essential in essential_)
9074                     [essential install];
9075
9076                 [self resolve];
9077                 [self perform];
9078             }
9079         } else if (button == [alert firstOtherButtonIndex] + 1) {
9080             [self distUpgrade];
9081         } else if (button == [alert cancelButtonIndex]) {
9082             Ignored_ = YES;
9083         }
9084
9085         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9086     }
9087 }
9088
9089 - (void) system:(NSString *)command { _pooled
9090     _trace();
9091     system([command UTF8String]);
9092     _trace();
9093 }
9094
9095 - (void) applicationWillSuspend {
9096     [database_ clean];
9097     [super applicationWillSuspend];
9098 }
9099
9100 - (BOOL) isSafeToSuspend {
9101     // Use external process status API internally.
9102     // This is probably a really bad idea.
9103     // XXX: what is the point of this? does this solve anything at all?
9104     uint64_t status = 0;
9105     int notify_token;
9106     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
9107         notify_get_state(notify_token, &status);
9108         notify_cancel(notify_token);
9109     }
9110
9111     return locked_ == 0 && status == 0;
9112 }
9113
9114 - (void) applicationSuspend:(__GSEvent *)event {
9115     if ([self isSafeToSuspend])
9116         [super applicationSuspend:event];
9117 }
9118
9119 - (void) _animateSuspension:(BOOL)arg0 duration:(double)arg1 startTime:(double)arg2 scale:(float)arg3 {
9120     if ([self isSafeToSuspend])
9121         [super _animateSuspension:arg0 duration:arg1 startTime:arg2 scale:arg3];
9122 }
9123
9124 - (void) _setSuspended:(BOOL)value {
9125     if ([self isSafeToSuspend])
9126         [super _setSuspended:value];
9127 }
9128
9129 - (UIProgressHUD *) addProgressHUD {
9130     UIProgressHUD *hud([[[UIProgressHUD alloc] initWithWindow:window_] autorelease]);
9131     [hud setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
9132
9133     [window_ setUserInteractionEnabled:NO];
9134     [hud show:YES];
9135
9136     UIViewController *target = tabbar_;
9137     while ([target modalViewController] != nil) target = [target modalViewController];
9138     [[target view] addSubview:hud];
9139
9140     ++locked_;
9141     return hud;
9142 }
9143
9144 - (void) removeProgressHUD:(UIProgressHUD *)hud {
9145     [hud show:NO];
9146     [hud removeFromSuperview];
9147     [window_ setUserInteractionEnabled:YES];
9148     --locked_;
9149 }
9150
9151 - (CYViewController *) pageForPackage:(NSString *)name {
9152     return [[[CYPackageController alloc] initWithDatabase:database_ forPackage:name] autorelease];
9153 }
9154
9155 - (CYViewController *) pageForURL:(NSURL *)url forExternal:(BOOL)external {
9156     NSString *scheme([[url scheme] lowercaseString]);
9157     if ([[url absoluteString] length] <= [scheme length] + 3)
9158         return nil;
9159     NSString *path([[url absoluteString] substringFromIndex:[scheme length] + 3]);
9160     NSArray *components([path pathComponents]);
9161
9162     if ([scheme isEqualToString:@"apptapp"] && [components count] > 0 && [[components objectAtIndex:0] isEqualToString:@"package"])
9163         return [self pageForPackage:[components objectAtIndex:1]];
9164
9165     if ([components count] < 1 || ![scheme isEqualToString:@"cydia"])
9166         return nil;
9167
9168     NSString *base([components objectAtIndex:0]);
9169
9170     CYViewController *controller = nil;
9171
9172     if ([base isEqualToString:@"url"]) {
9173         // This kind of URL can contain slashes in the argument, so we can't parse them below.
9174         NSString *destination = [[url absoluteString] substringFromIndex:([scheme length] + [@"://" length] + [base length] + [@"/" length])];
9175         controller = [[[CYBrowserController alloc] initWithURL:[NSURL URLWithString:destination]] autorelease];
9176     } else if (!external && [components count] == 1) {
9177         if ([base isEqualToString:@"manage"]) {
9178             controller = [[[ManageController alloc] init] autorelease];
9179         }
9180
9181         if ([base isEqualToString:@"sources"]) {
9182             controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9183         }
9184
9185         if ([base isEqualToString:@"home"]) {
9186             controller = [[[HomeController alloc] init] autorelease];
9187         }
9188
9189         if ([base isEqualToString:@"sections"]) {
9190             controller = [[[SectionsController alloc] initWithDatabase:database_] autorelease];
9191         }
9192
9193         if ([base isEqualToString:@"search"]) {
9194             controller = [[[SearchController alloc] initWithDatabase:database_] autorelease];
9195         }
9196
9197         if ([base isEqualToString:@"changes"]) {
9198             controller = [[[ChangesController alloc] initWithDatabase:database_] autorelease];
9199         }
9200
9201         if ([base isEqualToString:@"installed"]) {
9202             controller = [[[InstalledController alloc] initWithDatabase:database_] autorelease];
9203         }
9204     } else if ([components count] == 2) {
9205         NSString *argument = [components objectAtIndex:1];
9206
9207         if ([base isEqualToString:@"package"]) {
9208             controller = [self pageForPackage:argument];
9209         }
9210
9211         if (!external && [base isEqualToString:@"search"]) {
9212             controller = [[[SearchController alloc] initWithDatabase:database_] autorelease];
9213             [(SearchController *)controller setSearchTerm:argument];
9214         }
9215
9216         if (!external && [base isEqualToString:@"sections"]) {
9217             if ([argument isEqualToString:@"all"])
9218                 argument = nil;
9219             controller = [[[SectionController alloc] initWithDatabase:database_ section:argument] autorelease];
9220         }
9221
9222         if (!external && [base isEqualToString:@"sources"]) {
9223             if ([argument isEqualToString:@"add"]) {
9224                 controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9225                 [(SourcesController *)controller showAddSourcePrompt];
9226             } else {
9227                 Source *source = [database_ sourceWithKey:argument];
9228                 controller = [[[SourceController alloc] initWithDatabase:database_ source:source] autorelease];
9229             }
9230         }
9231
9232         if (!external && [base isEqualToString:@"launch"]) {
9233             [self launchApplicationWithIdentifier:argument suspended:NO];
9234             return nil;
9235         }
9236     } else if (!external && [components count] == 3) {
9237         NSString *arg1 = [components objectAtIndex:1];
9238         NSString *arg2 = [components objectAtIndex:2];
9239
9240         if ([base isEqualToString:@"package"]) {
9241             if ([arg2 isEqualToString:@"settings"]) {
9242                 controller = [[[PackageSettingsController alloc] initWithDatabase:database_ package:arg1] autorelease];
9243             } else if ([arg2 isEqualToString:@"files"]) {
9244                 if (Package *package = [database_ packageWithName:arg1]) {
9245                     controller = [[[FileTable alloc] initWithDatabase:database_] autorelease];
9246                     [(FileTable *)controller setPackage:package];
9247                 }
9248             }
9249         }
9250     }
9251
9252     [controller setDelegate:self];
9253     return controller;
9254 }
9255
9256 - (BOOL) openCydiaURL:(NSURL *)url forExternal:(BOOL)external {
9257     CYViewController *page([self pageForURL:url forExternal:external]);
9258
9259     if (page != nil) {
9260         CYNavigationController *nav = [[[CYNavigationController alloc] init] autorelease];
9261         [nav setViewControllers:[NSArray arrayWithObject:page]];
9262         [tabbar_ setUnselectedViewController:nav];
9263     }
9264
9265     return page != nil;
9266 }
9267
9268 - (void) applicationOpenURL:(NSURL *)url {
9269     [super applicationOpenURL:url];
9270
9271     if (!loaded_) starturl_ = [url retain];
9272     else [self openCydiaURL:url forExternal:YES];
9273 }
9274
9275 - (void) applicationWillResignActive:(UIApplication *)application {
9276     // Stop refreshing if you get a phone call or lock the device.
9277     if ([tabbar_ updating])
9278         [tabbar_ cancelUpdate];
9279
9280     if ([[self superclass] instancesRespondToSelector:@selector(applicationWillResignActive:)])
9281         [super applicationWillResignActive:application];
9282 }
9283
9284 - (void) applicationWillTerminate:(UIApplication *)application {
9285     Changed_ = true;
9286     [Metadata_ setObject:[tabbar_ navigationURLCollection] forKey:@"InterfaceState"];
9287     [Metadata_ setObject:[NSDate date] forKey:@"LastClosed"];
9288     [Metadata_ setObject:[NSNumber numberWithInt:[tabbar_ selectedIndex]] forKey:@"InterfaceIndex"];
9289
9290     [self _saveConfig];
9291 }
9292
9293 - (void) setConfigurationData:(NSString *)data {
9294     static Pcre conffile_r("^'(.*)' '(.*)' ([01]) ([01])$");
9295
9296     if (!conffile_r(data)) {
9297         lprintf("E:invalid conffile\n");
9298         return;
9299     }
9300
9301     NSString *ofile = conffile_r[1];
9302     //NSString *nfile = conffile_r[2];
9303
9304     UIAlertView *alert = [[[UIAlertView alloc]
9305         initWithTitle:UCLocalize("CONFIGURATION_UPGRADE")
9306         message:[NSString stringWithFormat:@"%@\n\n%@", UCLocalize("CONFIGURATION_UPGRADE_EX"), ofile]
9307         delegate:self
9308         cancelButtonTitle:UCLocalize("KEEP_OLD_COPY")
9309         otherButtonTitles:
9310             UCLocalize("ACCEPT_NEW_COPY"),
9311             // XXX: UCLocalize("SEE_WHAT_CHANGED"),
9312         nil
9313     ] autorelease];
9314
9315     [alert setContext:@"conffile"];
9316     [alert show];
9317 }
9318
9319 - (void) addStashController {
9320     ++locked_;
9321     stash_ = [[StashController alloc] init];
9322     [window_ addSubview:[stash_ view]];
9323 }
9324
9325 - (void) removeStashController {
9326     [[stash_ view] removeFromSuperview];
9327     [stash_ release];
9328     --locked_;
9329 }
9330
9331 - (void) stash {
9332     [self setIdleTimerDisabled:YES];
9333
9334     [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackOpaque];
9335     UpdateExternalStatus(1);
9336     [self yieldToSelector:@selector(system:) withObject:@"/usr/libexec/cydia/free.sh"];
9337     UpdateExternalStatus(0);
9338
9339     [self removeStashController];
9340
9341     if (ExecFork() == 0) {
9342         execlp("launchctl", "launchctl", "stop", "com.apple.SpringBoard", NULL);
9343         perror("launchctl stop");
9344     }
9345 }
9346
9347 - (void) setupViewControllers {
9348     tabbar_ = [[CYTabBarController alloc] initWithDatabase:database_];
9349
9350     NSMutableArray *items([NSMutableArray arrayWithObjects:
9351         [[[UITabBarItem alloc] initWithTitle:@"Cydia" image:[UIImage applicationImageNamed:@"home.png"] tag:0] autorelease],
9352         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SECTIONS") image:[UIImage applicationImageNamed:@"install.png"] tag:0] autorelease],
9353         [[[UITabBarItem alloc] initWithTitle:UCLocalize("CHANGES") image:[UIImage applicationImageNamed:@"changes.png"] tag:0] autorelease],
9354         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SEARCH") image:[UIImage applicationImageNamed:@"search.png"] tag:0] autorelease],
9355     nil]);
9356
9357     if (IsWildcat_) {
9358         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("SOURCES") image:[UIImage applicationImageNamed:@"source.png"] tag:0] autorelease] atIndex:3];
9359         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("INSTALLED") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9360     } else {
9361         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("MANAGE") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9362     }
9363
9364     NSMutableArray *controllers([NSMutableArray array]);
9365     for (UITabBarItem *item in items) {
9366         CYNavigationController *controller([[[CYNavigationController alloc] initWithDatabase:database_] autorelease]);
9367         [controller setTabBarItem:item];
9368         [controllers addObject:controller];
9369     }
9370     [tabbar_ setViewControllers:controllers];
9371
9372     [tabbar_ setUpdateDelegate:self];
9373 }
9374
9375 - (void) applicationDidFinishLaunching:(id)unused {
9376 _trace();
9377     if ([self respondsToSelector:@selector(setApplicationSupportsShakeToEdit:)])
9378         [self setApplicationSupportsShakeToEdit:NO];
9379
9380     [NSURLCache setSharedURLCache:[[[SDURLCache alloc]
9381         initWithMemoryCapacity:524288
9382         diskCapacity:10485760
9383         diskPath:[NSString stringWithFormat:@"%@/Library/Caches/com.saurik.Cydia/SDURLCache", @"/var/root"]
9384     ] autorelease]];
9385
9386     [CYBrowserController _initialize];
9387
9388     [NSURLProtocol registerClass:[CydiaURLProtocol class]];
9389
9390     Font12_ = [[UIFont systemFontOfSize:12] retain];
9391     Font12Bold_ = [[UIFont boldSystemFontOfSize:12] retain];
9392     Font14_ = [[UIFont systemFontOfSize:14] retain];
9393     Font18Bold_ = [[UIFont boldSystemFontOfSize:18] retain];
9394     Font22Bold_ = [[UIFont boldSystemFontOfSize:22] retain];
9395
9396     essential_ = [[NSMutableArray alloc] initWithCapacity:4];
9397     broken_ = [[NSMutableArray alloc] initWithCapacity:4];
9398
9399     window_ = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
9400     [window_ orderFront:self];
9401     [window_ makeKey:self];
9402     [window_ setHidden:NO];
9403
9404     if (
9405         readlink("/Applications", NULL, 0) == -1 && errno == EINVAL ||
9406         readlink("/Library/Ringtones", NULL, 0) == -1 && errno == EINVAL ||
9407         readlink("/Library/Wallpaper", NULL, 0) == -1 && errno == EINVAL ||
9408         //readlink("/usr/bin", NULL, 0) == -1 && errno == EINVAL ||
9409         readlink("/usr/include", NULL, 0) == -1 && errno == EINVAL ||
9410         readlink("/usr/lib/pam", NULL, 0) == -1 && errno == EINVAL ||
9411         readlink("/usr/libexec", NULL, 0) == -1 && errno == EINVAL ||
9412         readlink("/usr/share", NULL, 0) == -1 && errno == EINVAL ||
9413         //readlink("/var/lib", NULL, 0) == -1 && errno == EINVAL ||
9414         false
9415     ) {
9416         [self addStashController];
9417         // XXX: this would be much cleaner as a yieldToSelector:
9418         // that way the removeStashController could happen right here inline
9419         // we also could no longer require the useless stash_ field anymore
9420         [self performSelector:@selector(stash) withObject:nil afterDelay:0];
9421         return;
9422     }
9423
9424     database_ = [Database sharedInstance];
9425     [database_ setDelegate:self];
9426
9427     [window_ setUserInteractionEnabled:NO];
9428     [self setupViewControllers];
9429
9430     emulated_ = [[CYEmulatedLoadingController alloc] initWithDatabase:database_];
9431     [window_ addSubview:[emulated_ view]];
9432
9433     [self performSelector:@selector(loadData) withObject:nil afterDelay:0];
9434 _trace();
9435 }
9436
9437 - (void) loadData {
9438 _trace();
9439     if (Role_ == nil) {
9440         [window_ setUserInteractionEnabled:YES];
9441         [self presentModalViewController:[[[SettingsController alloc] initWithDatabase:database_ delegate:self] autorelease]];
9442         return;
9443     } else {
9444         if ([emulated_ modalViewController] != nil)
9445             [emulated_ dismissModalViewControllerAnimated:YES];
9446         [window_ setUserInteractionEnabled:NO];
9447     }
9448
9449     [self reloadData];
9450     PrintTimes();
9451
9452     [window_ addSubview:[tabbar_ view]];
9453
9454     [[emulated_ view] removeFromSuperview];
9455     [emulated_ release];
9456     emulated_ = nil;
9457
9458     [window_ setUserInteractionEnabled:YES];
9459
9460     int selectedIndex = 0;
9461     NSMutableArray *items = nil;
9462
9463     bool recently = false;
9464     NSDate *closed([Metadata_ objectForKey:@"LastClosed"]);
9465     if (closed != nil) {
9466         NSTimeInterval interval([closed timeIntervalSinceNow]);
9467         // XXX: Is 15 minutes the optimal time here?
9468         if (interval <= 0 && interval > -(15*60))
9469             recently = true;
9470     }
9471
9472     items = [[Metadata_ objectForKey:@"InterfaceState"] mutableCopy];
9473     selectedIndex = [[Metadata_ objectForKey:@"InterfaceIndex"] intValue];
9474
9475     BOOL enough = YES;
9476     for (NSArray *entry in items)
9477         if ([entry count] <= 0)
9478             enough = NO;
9479
9480     if (!recently || !items || !enough) {
9481         selectedIndex = 0;
9482         items = [NSMutableArray array];
9483         [items addObject:[NSArray arrayWithObject:@"cydia://home"]];
9484         [items addObject:[NSArray arrayWithObject:@"cydia://sections"]];
9485         [items addObject:[NSArray arrayWithObject:@"cydia://changes"]];
9486         if (!IsWildcat_) {
9487             [items addObject:[NSArray arrayWithObject:@"cydia://manage"]];
9488         } else {
9489             [items addObject:[NSArray arrayWithObject:@"cydia://installed"]];
9490             [items addObject:[NSArray arrayWithObject:@"cydia://sources"]];
9491         }
9492         [items addObject:[NSArray arrayWithObject:@"cydia://search"]];
9493     }
9494
9495     [tabbar_ setSelectedIndex:selectedIndex];
9496     for (unsigned int tab = 0; tab < [[tabbar_ viewControllers] count]; tab++) {
9497         NSArray *stack = [items objectAtIndex:tab];
9498         CYNavigationController *navigation = [[tabbar_ viewControllers] objectAtIndex:tab];
9499         NSMutableArray *current = [NSMutableArray array];
9500
9501         for (unsigned int nav = 0; nav < [stack count]; nav++) {
9502             NSString *addr = [stack objectAtIndex:nav];
9503             NSURL *url = [NSURL URLWithString:addr];
9504             CYViewController *page = [self pageForURL:url forExternal:NO];
9505             if (page != nil)
9506                 [current addObject:page];
9507         }
9508
9509         [navigation setViewControllers:current];
9510     }
9511
9512     // (Try to) show the startup URL.
9513     if (starturl_ != nil) {
9514         [self openCydiaURL:starturl_ forExternal:NO];
9515         [starturl_ release];
9516         starturl_ = nil;
9517     }
9518 }
9519
9520 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item {
9521     if (item != nil && IsWildcat_) {
9522         [sheet showFromBarButtonItem:item animated:YES];
9523     } else {
9524         [sheet showInView:window_];
9525     }
9526 }
9527
9528 - (void) addProgressEvent:(CydiaProgressEvent *)event forTask:(NSString *)task {
9529     id<ProgressDelegate> progress([database_ progressDelegate] ?: [self invokeNewProgress:nil forController:nil withTitle:task]);
9530     [progress setTitle:task];
9531     [progress addProgressEvent:event];
9532 }
9533
9534 - (void) addProgressEventForTask:(NSArray *)data {
9535     CydiaProgressEvent *event([data objectAtIndex:0]);
9536     NSString *task([data count] < 2 ? nil : [data objectAtIndex:1]);
9537     [self addProgressEvent:event forTask:task];
9538 }
9539
9540 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task {
9541     [self performSelectorOnMainThread:@selector(addProgressEventForTask:) withObject:[NSArray arrayWithObjects:event, task, nil] waitUntilDone:YES];
9542 }
9543
9544 @end
9545
9546 /*IMP alloc_;
9547 id Alloc_(id self, SEL selector) {
9548     id object = alloc_(self, selector);
9549     lprintf("[%s]A-%p\n", self->isa->name, object);
9550     return object;
9551 }*/
9552
9553 /*IMP dealloc_;
9554 id Dealloc_(id self, SEL selector) {
9555     id object = dealloc_(self, selector);
9556     lprintf("[%s]D-%p\n", self->isa->name, object);
9557     return object;
9558 }*/
9559
9560 Class $WebDefaultUIKitDelegate;
9561
9562 MSHook(void, UIWebDocumentView$_setUIKitDelegate$, UIWebDocumentView *self, SEL _cmd, id delegate) {
9563     if (delegate == nil && $WebDefaultUIKitDelegate != nil)
9564         delegate = [$WebDefaultUIKitDelegate sharedUIKitDelegate];
9565     return _UIWebDocumentView$_setUIKitDelegate$(self, _cmd, delegate);
9566 }
9567
9568 static NSNumber *shouldPlayKeyboardSounds;
9569
9570 Class $UIHardware;
9571
9572 MSHook(void, UIHardware$_playSystemSound$, Class self, SEL _cmd, int sound) {
9573     switch (sound) {
9574         case 1104: // Keyboard Button Clicked
9575         case 1105: // Keyboard Delete Repeated
9576             if (shouldPlayKeyboardSounds == nil) {
9577                 NSDictionary *dict([[[NSDictionary alloc] initWithContentsOfFile:@"/var/mobile/Library/Preferences/com.apple.preferences.sounds.plist"] autorelease]);
9578                 shouldPlayKeyboardSounds = [([dict objectForKey:@"keyboard"] ?: (id) kCFBooleanTrue) retain];
9579             }
9580
9581             if (![shouldPlayKeyboardSounds boolValue])
9582                 break;
9583
9584         default:
9585             _UIHardware$_playSystemSound$(self, _cmd, sound);
9586     }
9587 }
9588
9589 Class $UIApplication;
9590
9591 MSHook(void, UIApplication$_updateApplicationAccessibility, UIApplication *self, SEL _cmd) {
9592     static BOOL initialized = NO;
9593     static BOOL started = NO;
9594
9595     NSDictionary *dict([[[NSDictionary alloc] initWithContentsOfFile:@"/var/mobile/Library/Preferences/com.apple.Accessibility.plist"] autorelease]);
9596     BOOL enabled = [[dict objectForKey:@"VoiceOverTouchEnabled"] boolValue] || [[dict objectForKey:@"VoiceOverTouchEnabledByiTunes"] boolValue];
9597
9598     if ([self respondsToSelector:@selector(_accessibilityBundlePrincipalClass)]) {
9599         id bundle = [self performSelector:@selector(_accessibilityBundlePrincipalClass)];
9600         if (![bundle respondsToSelector:@selector(_accessibilityStopServer)]) return;
9601         if (![bundle respondsToSelector:@selector(_accessibilityStartServer)]) return;
9602
9603         if (initialized && !enabled) {
9604             initialized = NO;
9605             [bundle performSelector:@selector(_accessibilityStopServer)];
9606         } else if (enabled) {
9607             initialized = YES;
9608             if (!started) {
9609                 started = YES;
9610                 [bundle performSelector:@selector(_accessibilityStartServer)];
9611             }
9612         }
9613     }
9614 }
9615
9616 int main(int argc, char *argv[]) { _pooled
9617     _trace();
9618
9619     UpdateExternalStatus(0);
9620
9621     if (Class $UIDevice = objc_getClass("UIDevice")) {
9622         UIDevice *device([$UIDevice currentDevice]);
9623         IsWildcat_ = [device respondsToSelector:@selector(isWildcat)] && [device isWildcat];
9624     } else
9625         IsWildcat_ = false;
9626
9627     UIScreen *screen([UIScreen mainScreen]);
9628     if ([screen respondsToSelector:@selector(scale)])
9629         ScreenScale_ = [screen scale];
9630     else
9631         ScreenScale_ = 1;
9632
9633     NSMutableArray *parts([NSMutableArray arrayWithCapacity:2]);
9634     if (ScreenScale_ > 1)
9635         [parts addObject:@"@2x"];
9636     [parts addObject:(IsWildcat_ ? @"~ipad" : @"~iphone")];
9637     UI_ = CydiaURL([NSString stringWithFormat:@"ui/ios%@", [parts componentsJoinedByString:@""]]);
9638
9639     PackageName = reinterpret_cast<CYString &(*)(Package *, SEL)>(method_getImplementation(class_getInstanceMethod([Package class], @selector(cyname))));
9640
9641     /* Library Hacks {{{ */
9642     class_addMethod(objc_getClass("DOMNodeList"), @selector(countByEnumeratingWithState:objects:count:), (IMP) &DOMNodeList$countByEnumeratingWithState$objects$count$, "I20@0:4^{NSFastEnumerationState}8^@12I16");
9643
9644     $WebDefaultUIKitDelegate = objc_getClass("WebDefaultUIKitDelegate");
9645     Method UIWebDocumentView$_setUIKitDelegate$(class_getInstanceMethod([WebView class], @selector(_setUIKitDelegate:)));
9646     if (UIWebDocumentView$_setUIKitDelegate$ != NULL) {
9647         _UIWebDocumentView$_setUIKitDelegate$ = reinterpret_cast<void (*)(UIWebDocumentView *, SEL, id)>(method_getImplementation(UIWebDocumentView$_setUIKitDelegate$));
9648         method_setImplementation(UIWebDocumentView$_setUIKitDelegate$, reinterpret_cast<IMP>(&$UIWebDocumentView$_setUIKitDelegate$));
9649     }
9650
9651     $UIHardware = objc_getClass("UIHardware");
9652     Method UIHardware$_playSystemSound$(class_getClassMethod($UIHardware, @selector(_playSystemSound:)));
9653     if (UIHardware$_playSystemSound$ != NULL) {
9654         _UIHardware$_playSystemSound$ = reinterpret_cast<void (*)(Class, SEL, int)>(method_getImplementation(UIHardware$_playSystemSound$));
9655         method_setImplementation(UIHardware$_playSystemSound$, reinterpret_cast<IMP>(&$UIHardware$_playSystemSound$));
9656     }
9657
9658     $UIApplication = objc_getClass("UIApplication");
9659     Method UIApplication$_updateApplicationAccessibility(class_getInstanceMethod($UIApplication, @selector(_updateApplicationAccessibility)));
9660     if (UIApplication$_updateApplicationAccessibility != NULL) {
9661         _UIApplication$_updateApplicationAccessibility = reinterpret_cast<void (*)(UIApplication *, SEL)>(method_getImplementation(UIApplication$_updateApplicationAccessibility));
9662         method_setImplementation(UIApplication$_updateApplicationAccessibility, reinterpret_cast<IMP>(&$UIApplication$_updateApplicationAccessibility));
9663     }
9664     /* }}} */
9665     /* Set Locale {{{ */
9666     Locale_ = CFLocaleCopyCurrent();
9667     Languages_ = [NSLocale preferredLanguages];
9668     //CFStringRef locale(CFLocaleGetIdentifier(Locale_));
9669     //NSLog(@"%@", [Languages_ description]);
9670
9671     const char *lang;
9672     if (Languages_ == nil || [Languages_ count] == 0)
9673         // XXX: consider just setting to C and then falling through?
9674         lang = NULL;
9675     else {
9676         lang = [[Languages_ objectAtIndex:0] UTF8String];
9677         setenv("LANG", lang, true);
9678     }
9679
9680     //std::setlocale(LC_ALL, lang);
9681     NSLog(@"Setting Language: %s", lang);
9682     /* }}} */
9683
9684     apr_app_initialize(&argc, const_cast<const char * const **>(&argv), NULL);
9685
9686     /* Parse Arguments {{{ */
9687     bool substrate(false);
9688
9689     if (argc != 0) {
9690         char **args(argv);
9691         int arge(1);
9692
9693         for (int argi(1); argi != argc; ++argi)
9694             if (strcmp(argv[argi], "--") == 0) {
9695                 arge = argi;
9696                 argv[argi] = argv[0];
9697                 argv += argi;
9698                 argc -= argi;
9699                 break;
9700             }
9701
9702         for (int argi(1); argi != arge; ++argi)
9703             if (strcmp(args[argi], "--substrate") == 0)
9704                 substrate = true;
9705             else
9706                 fprintf(stderr, "unknown argument: %s\n", args[argi]);
9707     }
9708     /* }}} */
9709
9710     App_ = [[NSBundle mainBundle] bundlePath];
9711     Home_ = NSHomeDirectory();
9712     Advanced_ = YES;
9713
9714     setuid(0);
9715     setgid(0);
9716
9717     /*Method alloc = class_getClassMethod([NSObject class], @selector(alloc));
9718     alloc_ = alloc->method_imp;
9719     alloc->method_imp = (IMP) &Alloc_;*/
9720
9721     /*Method dealloc = class_getClassMethod([NSObject class], @selector(dealloc));
9722     dealloc_ = dealloc->method_imp;
9723     dealloc->method_imp = (IMP) &Dealloc_;*/
9724
9725     /* System Information {{{ */
9726     size_t size;
9727
9728     int maxproc;
9729     size = sizeof(maxproc);
9730     if (sysctlbyname("kern.maxproc", &maxproc, &size, NULL, 0) == -1)
9731         perror("sysctlbyname(\"kern.maxproc\", ?)");
9732     else if (maxproc < 64) {
9733         maxproc = 64;
9734         if (sysctlbyname("kern.maxproc", NULL, NULL, &maxproc, sizeof(maxproc)) == -1)
9735             perror("sysctlbyname(\"kern.maxproc\", #)");
9736     }
9737
9738     sysctlbyname("kern.osversion", NULL, &size, NULL, 0);
9739     char *osversion = new char[size];
9740     if (sysctlbyname("kern.osversion", osversion, &size, NULL, 0) == -1)
9741         perror("sysctlbyname(\"kern.osversion\", ?)");
9742     else
9743         System_ = [NSString stringWithUTF8String:osversion];
9744
9745     sysctlbyname("hw.machine", NULL, &size, NULL, 0);
9746     char *machine = new char[size];
9747     if (sysctlbyname("hw.machine", machine, &size, NULL, 0) == -1)
9748         perror("sysctlbyname(\"hw.machine\", ?)");
9749     else
9750         Machine_ = machine;
9751
9752     if (CFMutableDictionaryRef dict = IOServiceMatching("IOPlatformExpertDevice")) {
9753         if (io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault, dict)) {
9754             if (CFTypeRef serial = IORegistryEntryCreateCFProperty(service, CFSTR(kIOPlatformSerialNumberKey), kCFAllocatorDefault, 0)) {
9755                 SerialNumber_ = [NSString stringWithString:(NSString *)serial];
9756                 CFRelease(serial);
9757             }
9758
9759             if (CFTypeRef ecid = IORegistryEntrySearchCFProperty(service, kIODeviceTreePlane, CFSTR("unique-chip-id"), kCFAllocatorDefault, kIORegistryIterateRecursively)) {
9760                 NSData *data((NSData *) ecid);
9761                 size_t length([data length]);
9762                 uint8_t bytes[length];
9763                 [data getBytes:bytes];
9764                 char string[length * 2 + 1];
9765                 for (size_t i(0); i != length; ++i)
9766                     sprintf(string + i * 2, "%.2X", bytes[length - i - 1]);
9767                 ChipID_ = [NSString stringWithUTF8String:string];
9768                 CFRelease(ecid);
9769             }
9770
9771             IOObjectRelease(service);
9772         }
9773     }
9774
9775     UniqueID_ = [[UIDevice currentDevice] uniqueIdentifier];
9776
9777     CFStringRef (*$CTSIMSupportCopyMobileSubscriberCountryCode)(CFAllocatorRef);
9778     $CTSIMSupportCopyMobileSubscriberCountryCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
9779     CFStringRef mcc($CTSIMSupportCopyMobileSubscriberCountryCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberCountryCode)(kCFAllocatorDefault));
9780
9781     CFStringRef (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(CFAllocatorRef);
9782     $CTSIMSupportCopyMobileSubscriberNetworkCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
9783     CFStringRef mnc($CTSIMSupportCopyMobileSubscriberNetworkCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(kCFAllocatorDefault));
9784
9785     if (mcc != NULL && mnc != NULL)
9786         PLMN_ = [NSString stringWithFormat:@"%@%@", mcc, mnc];
9787
9788     if (mnc != NULL)
9789         CFRelease(mnc);
9790     if (mcc != NULL)
9791         CFRelease(mcc);
9792
9793     if (NSDictionary *system = [NSDictionary dictionaryWithContentsOfFile:@"/System/Library/CoreServices/SystemVersion.plist"])
9794         Build_ = [system objectForKey:@"ProductBuildVersion"];
9795     if (NSDictionary *info = [NSDictionary dictionaryWithContentsOfFile:@"/Applications/MobileSafari.app/Info.plist"]) {
9796         Product_ = [info objectForKey:@"SafariProductVersion"];
9797         Safari_ = [info objectForKey:@"CFBundleVersion"];
9798     }
9799     /* }}} */
9800     /* Load Database {{{ */
9801     _trace();
9802     Metadata_ = [[[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"] autorelease];
9803     _trace();
9804     SectionMap_ = [[[NSDictionary alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Sections" ofType:@"plist"]] autorelease];
9805
9806     if (Metadata_ == NULL)
9807         Metadata_ = [NSMutableDictionary dictionaryWithCapacity:2];
9808     else {
9809         Settings_ = [Metadata_ objectForKey:@"Settings"];
9810
9811         Packages_ = [Metadata_ objectForKey:@"Packages"];
9812         Sections_ = [Metadata_ objectForKey:@"Sections"];
9813         Sources_ = [Metadata_ objectForKey:@"Sources"];
9814
9815         Token_ = [Metadata_ objectForKey:@"Token"];
9816     }
9817
9818     if (Settings_ != nil)
9819         Role_ = [Settings_ objectForKey:@"Role"];
9820
9821     if (Sections_ == nil) {
9822         Sections_ = [[[NSMutableDictionary alloc] initWithCapacity:32] autorelease];
9823         [Metadata_ setObject:Sections_ forKey:@"Sections"];
9824     }
9825
9826     if (Sources_ == nil) {
9827         Sources_ = [[[NSMutableDictionary alloc] initWithCapacity:0] autorelease];
9828         [Metadata_ setObject:Sources_ forKey:@"Sources"];
9829     }
9830     /* }}} */
9831
9832     _trace();
9833     MetaFile_.Open("/var/lib/cydia/metadata.cb0");
9834     _trace();
9835
9836     if (Packages_ != nil) {
9837         bool fail(false);
9838         CFDictionaryApplyFunction((CFDictionaryRef) Packages_, &PackageImport, &fail);
9839         _trace();
9840
9841         if (!fail) {
9842             [Metadata_ removeObjectForKey:@"Packages"];
9843             Packages_ = nil;
9844             Changed_ = true;
9845         }
9846     }
9847
9848     Finishes_ = [NSArray arrayWithObjects:@"return", @"reopen", @"restart", @"reload", @"reboot", nil];
9849
9850 #define MobileSubstrate_(name) \
9851     if (substrate && access("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", F_OK) == 0) \
9852         dlopen("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", RTLD_LAZY | RTLD_GLOBAL);
9853
9854     MobileSubstrate_(Activator)
9855     MobileSubstrate_(libstatusbar)
9856     MobileSubstrate_(SimulatedKeyEvents)
9857     MobileSubstrate_(WinterBoard)
9858
9859     /*if (substrate && access("/Library/MobileSubstrate/MobileSubstrate.dylib", F_OK) == 0)
9860         dlopen("/Library/MobileSubstrate/MobileSubstrate.dylib", RTLD_LAZY | RTLD_GLOBAL);*/
9861
9862     int version([[NSString stringWithContentsOfFile:@"/var/lib/cydia/firmware.ver"] intValue]);
9863
9864     if (access("/tmp/.cydia.fw", F_OK) == 0) {
9865         unlink("/tmp/.cydia.fw");
9866         goto firmware;
9867     } else if (access("/User", F_OK) != 0 || version < 2) {
9868       firmware:
9869         _trace();
9870         system("/usr/libexec/cydia/firmware.sh");
9871         _trace();
9872     }
9873
9874     _assert([[NSFileManager defaultManager]
9875         createDirectoryAtPath:@"/var/cache/apt/archives/partial"
9876         withIntermediateDirectories:YES
9877         attributes:nil
9878         error:NULL
9879     ]);
9880
9881     if (access("/tmp/cydia.chk", F_OK) == 0) {
9882         if (unlink("/var/cache/apt/pkgcache.bin") == -1)
9883             _assert(errno == ENOENT);
9884         if (unlink("/var/cache/apt/srcpkgcache.bin") == -1)
9885             _assert(errno == ENOENT);
9886     }
9887
9888     /* APT Initialization {{{ */
9889     _assert(pkgInitConfig(*_config));
9890     _assert(pkgInitSystem(*_config, _system));
9891
9892     if (lang != NULL)
9893         _config->Set("APT::Acquire::Translation", lang);
9894
9895     // XXX: this timeout might be important :(
9896     //_config->Set("Acquire::http::Timeout", 15);
9897
9898     _config->Set("Acquire::http::MaxParallel", 3);
9899     /* }}} */
9900     /* Color Choices {{{ */
9901     space_ = CGColorSpaceCreateDeviceRGB();
9902
9903     Blue_.Set(space_, 0.2, 0.2, 1.0, 1.0);
9904     Blueish_.Set(space_, 0x19/255.f, 0x32/255.f, 0x50/255.f, 1.0);
9905     Black_.Set(space_, 0.0, 0.0, 0.0, 1.0);
9906     Off_.Set(space_, 0.9, 0.9, 0.9, 1.0);
9907     White_.Set(space_, 1.0, 1.0, 1.0, 1.0);
9908     Gray_.Set(space_, 0.4, 0.4, 0.4, 1.0);
9909     Green_.Set(space_, 0.0, 0.5, 0.0, 1.0);
9910     Purple_.Set(space_, 0.0, 0.0, 0.7, 1.0);
9911     Purplish_.Set(space_, 0.4, 0.4, 0.8, 1.0);
9912
9913     InstallingColor_ = [UIColor colorWithRed:0.88f green:1.00f blue:0.88f alpha:1.00f];
9914     RemovingColor_ = [UIColor colorWithRed:1.00f green:0.88f blue:0.88f alpha:1.00f];
9915     /* }}}*/
9916     /* UIKit Configuration {{{ */
9917     void (*$GSFontSetUseLegacyFontMetrics)(BOOL)(reinterpret_cast<void (*)(BOOL)>(dlsym(RTLD_DEFAULT, "GSFontSetUseLegacyFontMetrics")));
9918     if ($GSFontSetUseLegacyFontMetrics != NULL)
9919         $GSFontSetUseLegacyFontMetrics(YES);
9920
9921     // XXX: I have a feeling this was important
9922     //UIKeyboardDisableAutomaticAppearance();
9923     /* }}} */
9924
9925     Colon_ = UCLocalize("COLON_DELIMITED");
9926     Elision_ = UCLocalize("ELISION");
9927     Error_ = UCLocalize("ERROR");
9928     Warning_ = UCLocalize("WARNING");
9929
9930     _trace();
9931     int value(UIApplicationMain(argc, argv, @"Cydia", @"Cydia"));
9932
9933     CGColorSpaceRelease(space_);
9934     CFRelease(Locale_);
9935
9936     return value;
9937 }