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