Cydia.mm

   1 /* Cydia - iPhone UIKit Front-End for Debian APT
   2  * Copyright (C) 2008  Jay Freeman (saurik)
   3 */
   4
   5 /*
   6  *        Redistribution and use in source and binary
   7  * forms, with or without modification, are permitted
   8  * provided that the following conditions are met:
   9  *
  10  * 1. Redistributions of source code must retain the
  11  *    above copyright notice, this list of conditions
  12  *    and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the
  14  *    above copyright notice, this list of conditions
  15  *    and the following disclaimer in the documentation
  16  *    and/or other materials provided with the
  17  *    distribution.
  18  * 3. The name of the author may not be used to endorse
  19  *    or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  24  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  27  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  28  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  29  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  30  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  32  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  33  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  34  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  35  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  36 */
  37
  38 /* #include Directives {{{ */
  39 #include <objc/objc.h>
  40 #include <objc/runtime.h>
  41
  42 #include <CoreGraphics/CoreGraphics.h>
  43 #include <GraphicsServices/GraphicsServices.h>
  44 #include <Foundation/Foundation.h>
  45 #include <UIKit/UIKit.h>
  46 #include <WebCore/DOMHTML.h>
  47
  48 #import "BrowserView.h"
  49 #import "ResetView.h"
  50 #import "UICaboodle.h"
  51
  52 #include <WebKit/WebFrame.h>
  53 #include <WebKit/WebView.h>
  54
  55 #include <sstream>
  56 #include <string>
  57
  58 #include <ext/stdio_filebuf.h>
  59
  60 #include <apt-pkg/acquire.h>
  61 #include <apt-pkg/acquire-item.h>
  62 #include <apt-pkg/algorithms.h>
  63 #include <apt-pkg/cachefile.h>
  64 #include <apt-pkg/clean.h>
  65 #include <apt-pkg/configuration.h>
  66 #include <apt-pkg/debmetaindex.h>
  67 #include <apt-pkg/error.h>
  68 #include <apt-pkg/init.h>
  69 #include <apt-pkg/pkgrecords.h>
  70 #include <apt-pkg/sourcelist.h>
  71 #include <apt-pkg/sptr.h>
  72
  73 #include <sys/sysctl.h>
  74 #include <notify.h>
  75
  76 extern "C" {
  77 #include <mach-o/nlist.h>
  78 }
  79
  80 #include <cstdio>
  81 #include <cstdlib>
  82 #include <cstring>
  83
  84 #include <errno.h>
  85 #include <pcre.h>
  86 /* }}} */
  87
  88 /* iPhoneOS 2.0 Compatibility {{{ */
  89 #ifdef __OBJC2__
  90 @interface UICGColor : NSObject {
  91 }
  92
  93 - (id) initWithCGColor:(CGColorRef)color;
  94 @end
  95
  96 @interface UIFont {
  97 }
  98
  99 - (UIFont *) fontWithSize:(CGFloat)size;
 100 @end
 101
 102 @interface NSObject (iPhoneOS)
 103 - (CGColorRef) cgColor;
 104 - (CGColorRef) CGColor;
 105 - (void) set;
 106 @end
 107
 108 @implementation NSObject (iPhoneOS)
 109
 110 - (CGColorRef) cgColor {
 111     return [self CGColor];
 112 }
 113
 114 - (CGColorRef) CGColor {
 115     return (CGColorRef) self;
 116 }
 117
 118 - (void) set {
 119     [[[[objc_getClass("UICGColor") alloc] initWithCGColor:[self CGColor]] autorelease] set];
 120 }
 121
 122 @end
 123
 124 @interface UITextView (iPhoneOS)
 125 - (void) setTextSize:(float)size;
 126 @end
 127
 128 @implementation UITextView (iPhoneOS)
 129
 130 - (void) setTextSize:(float)size {
 131     [self setFont:[[self font] fontWithSize:size]];
 132 }
 133
 134 @end
 135 #endif
 136 /* }}} */
 137
 138 #ifdef __OBJC2__
 139 typedef enum {
 140     kUIProgressIndicatorStyleMediumWhite = 1,
 141     kUIProgressIndicatorStyleSmallWhite = 0,
 142     kUIProgressIndicatorStyleSmallBlack = 4
 143 } UIProgressIndicatorStyle;
 144 #else
 145 typedef enum {
 146     kUIProgressIndicatorStyleMediumWhite = 0,
 147     kUIProgressIndicatorStyleSmallWhite = 2,
 148     kUIProgressIndicatorStyleSmallBlack = 3
 149 } UIProgressIndicatorStyle;
 150 #endif
 151
 152 typedef enum {
 153     kUIControlEventMouseDown = 1 << 0,
 154     kUIControlEventMouseMovedInside = 1 << 2, // mouse moved inside control target
 155     kUIControlEventMouseMovedOutside = 1 << 3, // mouse moved outside control target
 156     kUIControlEventMouseUpInside = 1 << 6, // mouse up inside control target
 157     kUIControlEventMouseUpOutside = 1 << 7, // mouse up outside control target
 158     kUIControlAllEvents = (kUIControlEventMouseDown | kUIControlEventMouseMovedInside | kUIControlEventMouseMovedOutside | kUIControlEventMouseUpInside | kUIControlEventMouseUpOutside)
 159 } UIControlEventMasks;
 160
 161 @interface NSString (UIKit)
 162 - (NSString *) stringByAddingPercentEscapes;
 163 - (NSString *) stringByReplacingCharacter:(unsigned short)arg0 withCharacter:(unsigned short)arg1;
 164 @end
 165
 166 @interface NSString (Cydia)
 167 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length;
 168 - (NSComparisonResult) compareByPath:(NSString *)other;
 169 @end
 170
 171 @implementation NSString (Cydia)
 172
 173 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length {
 174     char data[length + 1];
 175     memcpy(data, bytes, length);
 176     data[length] = '\0';
 177     return [NSString stringWithUTF8String:data];
 178 }
 179
 180 - (NSComparisonResult) compareByPath:(NSString *)other {
 181     NSString *prefix = [self commonPrefixWithString:other options:0];
 182     size_t length = [prefix length];
 183
 184     NSRange lrange = NSMakeRange(length, [self length] - length);
 185     NSRange rrange = NSMakeRange(length, [other length] - length);
 186
 187     lrange = [self rangeOfString:@"/" options:0 range:lrange];
 188     rrange = [other rangeOfString:@"/" options:0 range:rrange];
 189
 190     NSComparisonResult value;
 191
 192     if (lrange.location == NSNotFound && rrange.location == NSNotFound)
 193         value = NSOrderedSame;
 194     else if (lrange.location == NSNotFound)
 195         value = NSOrderedAscending;
 196     else if (rrange.location == NSNotFound)
 197         value = NSOrderedDescending;
 198     else
 199         value = NSOrderedSame;
 200
 201     NSString *lpath = lrange.location == NSNotFound ? [self substringFromIndex:length] :
 202         [self substringWithRange:NSMakeRange(length, lrange.location - length)];
 203     NSString *rpath = rrange.location == NSNotFound ? [other substringFromIndex:length] :
 204         [other substringWithRange:NSMakeRange(length, rrange.location - length)];
 205
 206     NSComparisonResult result = [lpath compare:rpath];
 207     return result == NSOrderedSame ? value : result;
 208 }
 209
 210 @end
 211
 212 /* Perl-Compatible RegEx {{{ */
 213 class Pcre {
 214   private:
 215     pcre *code_;
 216     pcre_extra *study_;
 217     int capture_;
 218     int *matches_;
 219     const char *data_;
 220
 221   public:
 222     Pcre(const char *regex) :
 223         study_(NULL)
 224     {
 225         const char *error;
 226         int offset;
 227         code_ = pcre_compile(regex, 0, &error, &offset, NULL);
 228
 229         if (code_ == NULL) {
 230             fprintf(stderr, "%d:%s\n", offset, error);
 231             _assert(false);
 232         }
 233
 234         pcre_fullinfo(code_, study_, PCRE_INFO_CAPTURECOUNT, &capture_);
 235         matches_ = new int[(capture_ + 1) * 3];
 236     }
 237
 238     ~Pcre() {
 239         pcre_free(code_);
 240         delete matches_;
 241     }
 242
 243     NSString *operator [](size_t match) {
 244         return [NSString stringWithUTF8Bytes:(data_ + matches_[match * 2]) length:(matches_[match * 2 + 1] - matches_[match * 2])];
 245     }
 246
 247     bool operator ()(NSString *data) {
 248         // XXX: length is for characters, not for bytes
 249         return operator ()([data UTF8String], [data length]);
 250     }
 251
 252     bool operator ()(const char *data, size_t size) {
 253         data_ = data;
 254         return pcre_exec(code_, study_, data, size, 0, 0, matches_, (capture_ + 1) * 3) >= 0;
 255     }
 256 };
 257 /* }}} */
 258 /* Mime Addresses {{{ */
 259 Pcre email_r("^\"?(.*)\"? <([^>]*)>$");
 260
 261 @interface Address : NSObject {
 262     NSString *name_;
 263     NSString *email_;
 264 }
 265
 266 - (NSString *) name;
 267 - (NSString *) email;
 268
 269 + (Address *) addressWithString:(NSString *)string;
 270 - (Address *) initWithString:(NSString *)string;
 271 @end
 272
 273 @implementation Address
 274
 275 - (void) dealloc {
 276     [name_ release];
 277     if (email_ != nil)
 278         [email_ release];
 279     [super dealloc];
 280 }
 281
 282 - (NSString *) name {
 283     return name_;
 284 }
 285
 286 - (NSString *) email {
 287     return email_;
 288 }
 289
 290 + (Address *) addressWithString:(NSString *)string {
 291     return [[[Address alloc] initWithString:string] autorelease];
 292 }
 293
 294 - (Address *) initWithString:(NSString *)string {
 295     if ((self = [super init]) != nil) {
 296         const char *data = [string UTF8String];
 297         size_t size = [string length];
 298
 299         if (email_r(data, size)) {
 300             name_ = [email_r[1] retain];
 301             email_ = [email_r[2] retain];
 302         } else {
 303             name_ = [[NSString alloc]
 304                 initWithBytes:data
 305                 length:size
 306                 encoding:kCFStringEncodingUTF8
 307             ];
 308
 309             email_ = nil;
 310         }
 311     } return self;
 312 }
 313
 314 @end
 315 /* }}} */
 316 /* CoreGraphics Primitives {{{ */
 317 class CGColor {
 318   private:
 319     CGColorRef color_;
 320
 321   public:
 322     CGColor() :
 323         color_(NULL)
 324     {
 325     }
 326
 327     CGColor(CGColorSpaceRef space, float red, float green, float blue, float alpha) :
 328         color_(NULL)
 329     {
 330         Set(space, red, green, blue, alpha);
 331     }
 332
 333     void Clear() {
 334         if (color_ != NULL)
 335             CGColorRelease(color_);
 336     }
 337
 338     ~CGColor() {
 339         Clear();
 340     }
 341
 342     void Set(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 343         Clear();
 344         float color[] = {red, green, blue, alpha};
 345         color_ = CGColorCreate(space, color);
 346     }
 347
 348     operator CGColorRef() {
 349         return color_;
 350     }
 351 };
 352
 353 class GSFont {
 354   private:
 355     GSFontRef font_;
 356
 357   public:
 358     ~GSFont() {
 359         CFRelease(font_);
 360     }
 361 };
 362 /* }}} */
 363 /* Right Alignment {{{ */
 364 @interface UIRightTextLabel : UITextLabel {
 365     float       _savedRightEdgeX;
 366     BOOL        _sizedtofit_flag;
 367 }
 368
 369 - (void) setFrame:(CGRect)frame;
 370 - (void) setText:(NSString *)text;
 371 - (void) realignText;
 372 @end
 373
 374 @implementation UIRightTextLabel
 375
 376 - (void) setFrame:(CGRect)frame {
 377     [super setFrame:frame];
 378     if (_sizedtofit_flag == NO) {
 379         _savedRightEdgeX = frame.origin.x;
 380         [self realignText];
 381     }
 382 }
 383
 384 - (void) setText:(NSString *)text {
 385     [super setText:text];
 386     [self realignText];
 387 }
 388
 389 - (void) realignText {
 390     CGRect oldFrame = [self frame];
 391
 392     _sizedtofit_flag = YES;
 393     [self sizeToFit]; // shrink down size so I can right align it
 394
 395     CGRect newFrame = [self frame];
 396
 397     oldFrame.origin.x = _savedRightEdgeX - newFrame.size.width;
 398     oldFrame.size.width = newFrame.size.width;
 399     [super setFrame:oldFrame];
 400     _sizedtofit_flag = NO;
 401 }
 402
 403 @end
 404 /* }}} */
 405
 406 /* Random Global Variables {{{ */
 407 static const int PulseInterval_ = 50000;
 408 static const int ButtonBarHeight_ = 48;
 409 static const float KeyboardTime_ = 0.4f;
 410 static const char * const SpringBoard_ = "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist";
 411
 412 #ifndef Cydia_
 413 #define Cydia_ ""
 414 #endif
 415
 416 static CGColor Blueish_;
 417 static CGColor Black_;
 418 static CGColor Clear_;
 419 static CGColor Red_;
 420 static CGColor White_;
 421
 422 static NSString *Home_;
 423 static BOOL Sounds_Keyboard_;
 424
 425 static BOOL Advanced_;
 426 static BOOL Loaded_;
 427 static BOOL Ignored_;
 428
 429 const char *Firmware_ = NULL;
 430 const char *Machine_ = NULL;
 431 const char *SerialNumber_ = NULL;
 432
 433 unsigned Major_;
 434 unsigned Minor_;
 435 unsigned BugFix_;
 436
 437 CFLocaleRef Locale_;
 438 CGColorSpaceRef space_;
 439
 440 #define FW_LEAST(major, minor, bugfix) \
 441     (major < Major_ || major == Major_ && \
 442         (minor < Minor_ || minor == Minor_ && \
 443             bugfix <= BugFix_))
 444
 445 bool bootstrap_;
 446 bool reload_;
 447
 448 static NSMutableDictionary *Metadata_;
 449 static NSMutableDictionary *Packages_;
 450 static bool Changed_;
 451 static NSDate *now_;
 452
 453 NSString *GetLastUpdate() {
 454     NSDate *update = [Metadata_ objectForKey:@"LastUpdate"];
 455
 456     if (update == nil)
 457         return @"Never or Unknown";
 458
 459     CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
 460     CFStringRef formatted = CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) update);
 461
 462     CFRelease(formatter);
 463
 464     return [(NSString *) formatted autorelease];
 465 }
 466 /* }}} */
 467 /* Display Helpers {{{ */
 468 inline float Interpolate(float begin, float end, float fraction) {
 469     return (end - begin) * fraction + begin;
 470 }
 471
 472 NSString *SizeString(double size) {
 473     unsigned power = 0;
 474     while (size > 1024) {
 475         size /= 1024;
 476         ++power;
 477     }
 478
 479     static const char *powers_[] = {"B", "kB", "MB", "GB"};
 480
 481     return [NSString stringWithFormat:@"%.1f%s", size, powers_[power]];
 482 }
 483
 484 NSString *StripVersion(NSString *version) {
 485     NSRange colon = [version rangeOfString:@":"];
 486     if (colon.location != NSNotFound)
 487         version = [version substringFromIndex:(colon.location + 1)];
 488     return version;
 489 }
 490
 491 static const float TextViewOffset_ = 22;
 492
 493 UITextView *GetTextView(NSString *value, float left, bool html) {
 494     UITextView *text([[[UITextView alloc] initWithFrame:CGRectMake(left, 3, 310 - left, 1000)] autorelease]);
 495     [text setEditable:NO];
 496     [text setTextSize:16];
 497     /*if (html)
 498         [text setHTML:value];
 499     else*/
 500         [text setText:value];
 501     [text setEnabled:NO];
 502
 503     [text setBackgroundColor:Clear_];
 504
 505     CGRect frame = [text frame];
 506     [text setFrame:frame];
 507     CGRect rect = [text visibleTextRect];
 508     frame.size.height = rect.size.height;
 509     [text setFrame:frame];
 510
 511     return text;
 512 }
 513
 514 NSString *Simplify(NSString *title) {
 515     const char *data = [title UTF8String];
 516     size_t size = [title length];
 517
 518     Pcre title_r("^(.*?)( \\(.*\\))?$");
 519     if (title_r(data, size))
 520         return title_r[1];
 521     else
 522         return title;
 523 }
 524 /* }}} */
 525
 526 /* Delegate Prototypes {{{ */
 527 @class Package;
 528 @class Source;
 529
 530 @interface NSObject (ProgressDelegate)
 531 @end
 532
 533 @implementation NSObject(ProgressDelegate)
 534
 535 - (void) _setProgressError:(NSArray *)args {
 536     [self performSelector:@selector(setProgressError:forPackage:)
 537         withObject:[args objectAtIndex:0]
 538         withObject:([args count] == 1 ? nil : [args objectAtIndex:1])
 539     ];
 540 }
 541
 542 @end
 543
 544 @protocol ProgressDelegate
 545 - (void) setProgressError:(NSString *)error forPackage:(NSString *)id;
 546 - (void) setProgressTitle:(NSString *)title;
 547 - (void) setProgressPercent:(float)percent;
 548 - (void) addProgressOutput:(NSString *)output;
 549 @end
 550
 551 @protocol ConfigurationDelegate
 552 - (void) repairWithSelector:(SEL)selector;
 553 - (void) setConfigurationData:(NSString *)data;
 554 @end
 555
 556 @protocol CydiaDelegate
 557 - (void) installPackage:(Package *)package;
 558 - (void) removePackage:(Package *)package;
 559 - (void) slideUp:(UIAlertSheet *)alert;
 560 - (void) distUpgrade;
 561 @end
 562 /* }}} */
 563
 564 /* Status Delegation {{{ */
 565 class Status :
 566     public pkgAcquireStatus
 567 {
 568   private:
 569     _transient NSObject<ProgressDelegate> *delegate_;
 570
 571   public:
 572     Status() :
 573         delegate_(nil)
 574     {
 575     }
 576
 577     void setDelegate(id delegate) {
 578         delegate_ = delegate;
 579     }
 580
 581     virtual bool MediaChange(std::string media, std::string drive) {
 582         return false;
 583     }
 584
 585     virtual void IMSHit(pkgAcquire::ItemDesc &item) {
 586     }
 587
 588     virtual void Fetch(pkgAcquire::ItemDesc &item) {
 589         [delegate_ setProgressTitle:[NSString stringWithUTF8String:("Downloading " + item.ShortDesc).c_str()]];
 590     }
 591
 592     virtual void Done(pkgAcquire::ItemDesc &item) {
 593     }
 594
 595     virtual void Fail(pkgAcquire::ItemDesc &item) {
 596         if (
 597             item.Owner->Status == pkgAcquire::Item::StatIdle ||
 598             item.Owner->Status == pkgAcquire::Item::StatDone
 599         )
 600             return;
 601
 602         [delegate_ performSelectorOnMainThread:@selector(_setProgressError:)
 603             withObject:[NSArray arrayWithObjects:[NSString stringWithUTF8String:item.Owner->ErrorText.c_str()], nil]
 604             waitUntilDone:YES
 605         ];
 606     }
 607
 608     virtual bool Pulse(pkgAcquire *Owner) {
 609         bool value = pkgAcquireStatus::Pulse(Owner);
 610
 611         float percent(
 612             double(CurrentBytes + CurrentItems) /
 613             double(TotalBytes + TotalItems)
 614         );
 615
 616         [delegate_ setProgressPercent:percent];
 617         return value;
 618     }
 619
 620     virtual void Start() {
 621     }
 622
 623     virtual void Stop() {
 624     }
 625 };
 626 /* }}} */
 627 /* Progress Delegation {{{ */
 628 class Progress :
 629     public OpProgress
 630 {
 631   private:
 632     _transient id<ProgressDelegate> delegate_;
 633
 634   protected:
 635     virtual void Update() {
 636         [delegate_ setProgressTitle:[NSString stringWithUTF8String:Op.c_str()]];
 637         [delegate_ setProgressPercent:(Percent / 100)];
 638     }
 639
 640   public:
 641     Progress() :
 642         delegate_(nil)
 643     {
 644     }
 645
 646     void setDelegate(id delegate) {
 647         delegate_ = delegate;
 648     }
 649
 650     virtual void Done() {
 651         [delegate_ setProgressPercent:1];
 652     }
 653 };
 654 /* }}} */
 655
 656 /* Database Interface {{{ */
 657 @interface Database : NSObject {
 658     pkgCacheFile cache_;
 659     pkgDepCache::Policy *policy_;
 660     pkgRecords *records_;
 661     pkgProblemResolver *resolver_;
 662     pkgAcquire *fetcher_;
 663     FileFd *lock_;
 664     SPtr<pkgPackageManager> manager_;
 665     pkgSourceList *list_;
 666
 667     NSMutableDictionary *sources_;
 668     NSMutableArray *packages_;
 669
 670     _transient NSObject<ConfigurationDelegate, ProgressDelegate> *delegate_;
 671     Status status_;
 672     Progress progress_;
 673
 674     int cydiafd_;
 675     int statusfd_;
 676     FILE *input_;
 677 }
 678
 679 - (void) _readCydia:(NSNumber *)fd;
 680 - (void) _readStatus:(NSNumber *)fd;
 681 - (void) _readOutput:(NSNumber *)fd;
 682
 683 - (FILE *) input;
 684
 685 - (Package *) packageWithName:(NSString *)name;
 686
 687 - (Database *) init;
 688 - (pkgCacheFile &) cache;
 689 - (pkgDepCache::Policy *) policy;
 690 - (pkgRecords *) records;
 691 - (pkgProblemResolver *) resolver;
 692 - (pkgAcquire &) fetcher;
 693 - (NSArray *) packages;
 694 - (void) reloadData;
 695
 696 - (void) configure;
 697 - (void) prepare;
 698 - (void) perform;
 699 - (void) upgrade;
 700 - (void) update;
 701
 702 - (void) updateWithStatus:(Status &)status;
 703
 704 - (void) setDelegate:(id)delegate;
 705 - (Source *) getSource:(const pkgCache::PkgFileIterator &)file;
 706 @end
 707 /* }}} */
 708
 709 /* Source Class {{{ */
 710 @interface Source : NSObject {
 711     NSString *description_;
 712     NSString *label_;
 713     NSString *origin_;
 714
 715     NSString *uri_;
 716     NSString *distribution_;
 717     NSString *type_;
 718     NSString *version_;
 719
 720     NSString *defaultIcon_;
 721
 722     BOOL trusted_;
 723 }
 724
 725 - (Source *) initWithMetaIndex:(metaIndex *)index;
 726
 727 - (BOOL) trusted;
 728
 729 - (NSString *) uri;
 730 - (NSString *) distribution;
 731 - (NSString *) type;
 732
 733 - (NSString *) description;
 734 - (NSString *) label;
 735 - (NSString *) origin;
 736 - (NSString *) version;
 737
 738 - (NSString *) defaultIcon;
 739 @end
 740
 741 @implementation Source
 742
 743 - (void) dealloc {
 744     [uri_ release];
 745     [distribution_ release];
 746     [type_ release];
 747
 748     if (description_ != nil)
 749         [description_ release];
 750     if (label_ != nil)
 751         [label_ release];
 752     if (origin_ != nil)
 753         [origin_ release];
 754     if (version_ != nil)
 755         [version_ release];
 756     if (defaultIcon_ != nil)
 757         [defaultIcon_ release];
 758
 759     [super dealloc];
 760 }
 761
 762 - (Source *) initWithMetaIndex:(metaIndex *)index {
 763     if ((self = [super init]) != nil) {
 764         trusted_ = index->IsTrusted();
 765
 766         uri_ = [[NSString stringWithUTF8String:index->GetURI().c_str()] retain];
 767         distribution_ = [[NSString stringWithUTF8String:index->GetDist().c_str()] retain];
 768         type_ = [[NSString stringWithUTF8String:index->GetType()] retain];
 769
 770         description_ = nil;
 771         label_ = nil;
 772         origin_ = nil;
 773         version_ = nil;
 774         defaultIcon_ = nil;
 775
 776         debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index));
 777         if (dindex != NULL) {
 778             std::ifstream release(dindex->MetaIndexFile("Release").c_str());
 779             std::string line;
 780             while (std::getline(release, line)) {
 781                 std::string::size_type colon(line.find(':'));
 782                 if (colon == std::string::npos)
 783                     continue;
 784
 785                 std::string name(line.substr(0, colon));
 786                 std::string value(line.substr(colon + 1));
 787                 while (!value.empty() && value[0] == ' ')
 788                     value = value.substr(1);
 789
 790                 if (name == "Default-Icon")
 791                     defaultIcon_ = [[NSString stringWithUTF8String:value.c_str()] retain];
 792                 else if (name == "Description")
 793                     description_ = [[NSString stringWithUTF8String:value.c_str()] retain];
 794                 else if (name == "Label")
 795                     label_ = [[NSString stringWithUTF8String:value.c_str()] retain];
 796                 else if (name == "Origin")
 797                     origin_ = [[NSString stringWithUTF8String:value.c_str()] retain];
 798                 else if (name == "Version")
 799                     version_ = [[NSString stringWithUTF8String:value.c_str()] retain];
 800             }
 801         }
 802     } return self;
 803 }
 804
 805 - (BOOL) trusted {
 806     return trusted_;
 807 }
 808
 809 - (NSString *) uri {
 810     return uri_;
 811 }
 812
 813 - (NSString *) distribution {
 814     return distribution_;
 815 }
 816
 817 - (NSString *) type {
 818     return type_;
 819 }
 820
 821 - (NSString *) description {
 822     return description_;
 823 }
 824
 825 - (NSString *) label {
 826     return label_;
 827 }
 828
 829 - (NSString *) origin {
 830     return origin_;
 831 }
 832
 833 - (NSString *) version {
 834     return version_;
 835 }
 836
 837 - (NSString *) defaultIcon {
 838     return defaultIcon_;
 839 }
 840
 841 @end
 842 /* }}} */
 843 /* Relationship Class {{{ */
 844 @interface Relationship : NSObject {
 845     NSString *type_;
 846     NSString *id_;
 847 }
 848
 849 - (NSString *) type;
 850 - (NSString *) id;
 851 - (NSString *) name;
 852
 853 @end
 854
 855 @implementation Relationship
 856
 857 - (void) dealloc {
 858     [type_ release];
 859     [id_ release];
 860     [super dealloc];
 861 }
 862
 863 - (NSString *) type {
 864     return type_;
 865 }
 866
 867 - (NSString *) id {
 868     return id_;
 869 }
 870
 871 - (NSString *) name {
 872     _assert(false);
 873     return nil;
 874 }
 875
 876 @end
 877 /* }}} */
 878 /* Package Class {{{ */
 879 NSString *Scour(const char *field, const char *begin, const char *end) {
 880     size_t i(0), l(strlen(field));
 881
 882     for (;;) {
 883         const char *name = begin + i;
 884         const char *colon = name + l;
 885         const char *value = colon + 1;
 886
 887         if (
 888             value < end &&
 889             *colon == ':' &&
 890             memcmp(name, field, l) == 0
 891         ) {
 892             while (value != end && value[0] == ' ')
 893                 ++value;
 894             const char *line = std::find(value, end, '\n');
 895             while (line != value && line[-1] == ' ')
 896                 --line;
 897
 898             return [NSString stringWithUTF8Bytes:value length:(line - value)];
 899         } else {
 900             begin = std::find(begin, end, '\n');
 901             if (begin == end)
 902                 return nil;
 903             ++begin;
 904         }
 905     }
 906 }
 907
 908 @interface Package : NSObject {
 909     pkgCache::PkgIterator iterator_;
 910     _transient Database *database_;
 911     pkgCache::VerIterator version_;
 912     pkgCache::VerFileIterator file_;
 913
 914     Source *source_;
 915     bool cached_;
 916
 917     NSString *latest_;
 918     NSString *installed_;
 919
 920     NSString *id_;
 921     NSString *name_;
 922     NSString *tagline_;
 923     NSString *icon_;
 924     NSString *website_;
 925     Address *sponsor_;
 926     Address *author_;
 927
 928     NSArray *relationships_;
 929 }
 930
 931 - (Package *) initWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database;
 932 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database;
 933
 934 - (pkgCache::PkgIterator) iterator;
 935
 936 - (NSString *) section;
 937 - (Address *) maintainer;
 938 - (size_t) size;
 939 - (NSString *) description;
 940 - (NSString *) index;
 941
 942 - (NSDate *) seen;
 943
 944 - (NSString *) latest;
 945 - (NSString *) installed;
 946
 947 - (BOOL) valid;
 948 - (BOOL) upgradableAndEssential:(BOOL)essential;
 949 - (BOOL) essential;
 950 - (BOOL) broken;
 951
 952 - (BOOL) half;
 953 - (BOOL) halfConfigured;
 954 - (BOOL) halfInstalled;
 955 - (BOOL) hasMode;
 956 - (NSString *) mode;
 957
 958 - (NSString *) id;
 959 - (NSString *) name;
 960 - (NSString *) tagline;
 961 - (NSString *) icon;
 962 - (NSString *) website;
 963 - (Address *) author;
 964
 965 - (NSArray *) relationships;
 966
 967 - (Source *) source;
 968
 969 - (BOOL) matches:(NSString *)text;
 970
 971 - (NSComparisonResult) compareByName:(Package *)package;
 972 - (NSComparisonResult) compareBySection:(Package *)package;
 973 - (NSComparisonResult) compareBySectionAndName:(Package *)package;
 974 - (NSComparisonResult) compareForChanges:(Package *)package;
 975
 976 - (void) install;
 977 - (void) remove;
 978
 979 - (NSNumber *) isSearchedForBy:(NSString *)search;
 980 - (NSNumber *) isInstalledInSection:(NSString *)section;
 981 - (NSNumber *) isUninstalledInSection:(NSString *)section;
 982
 983 @end
 984
 985 @implementation Package
 986
 987 - (void) dealloc {
 988     if (source_ != nil)
 989         [source_ release];
 990
 991     [latest_ release];
 992     if (installed_ != nil)
 993         [installed_ release];
 994
 995     [id_ release];
 996     if (name_ != nil)
 997         [name_ release];
 998     [tagline_ release];
 999     if (icon_ != nil)
1000         [icon_ release];
1001     if (website_ != nil)
1002         [website_ release];
1003     if (sponsor_ != nil)
1004         [sponsor_ release];
1005     if (author_ != nil)
1006         [author_ release];
1007
1008     if (relationships_ != nil)
1009         [relationships_ release];
1010
1011     [super dealloc];
1012 }
1013
1014 - (Package *) initWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database {
1015     if ((self = [super init]) != nil) {
1016         iterator_ = iterator;
1017         database_ = database;
1018
1019         version_ = [database_ policy]->GetCandidateVer(iterator_);
1020         latest_ = version_.end() ? nil : [StripVersion([NSString stringWithUTF8String:version_.VerStr()]) retain];
1021
1022         if (!version_.end())
1023             file_ = version_.FileList();
1024         else {
1025             pkgCache &cache([database_ cache]);
1026             file_ = pkgCache::VerFileIterator(cache, cache.VerFileP);
1027         }
1028
1029         pkgCache::VerIterator current = iterator_.CurrentVer();
1030         installed_ = current.end() ? nil : [StripVersion([NSString stringWithUTF8String:current.VerStr()]) retain];
1031
1032         id_ = [[[NSString stringWithUTF8String:iterator_.Name()] lowercaseString] retain];
1033
1034         if (!file_.end()) {
1035             pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
1036
1037             const char *begin, *end;
1038             parser->GetRec(begin, end);
1039
1040             name_ = Scour("Name", begin, end);
1041             if (name_ != nil)
1042                 name_ = [name_ retain];
1043             tagline_ = [[NSString stringWithUTF8String:parser->ShortDesc().c_str()] retain];
1044             icon_ = Scour("Icon", begin, end);
1045             if (icon_ != nil)
1046                 icon_ = [icon_ retain];
1047             website_ = Scour("Homepage", begin, end);
1048             if (website_ == nil)
1049                 website_ = Scour("Website", begin, end);
1050             if (website_ != nil)
1051                 website_ = [website_ retain];
1052             NSString *sponsor = Scour("Sponsor", begin, end);
1053             if (sponsor != nil)
1054                 sponsor_ = [[Address addressWithString:sponsor] retain];
1055             NSString *author = Scour("Author", begin, end);
1056             if (author != nil)
1057                 author_ = [[Address addressWithString:author] retain];
1058         }
1059
1060         NSMutableDictionary *metadata = [Packages_ objectForKey:id_];
1061         if (metadata == nil || [metadata count] == 0) {
1062             metadata = [NSMutableDictionary dictionaryWithObjectsAndKeys:
1063                 now_, @"FirstSeen",
1064             nil];
1065
1066             [Packages_ setObject:metadata forKey:id_];
1067             Changed_ = true;
1068         }
1069     } return self;
1070 }
1071
1072 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database {
1073     return [[[Package alloc]
1074         initWithIterator:iterator
1075         database:database
1076     ] autorelease];
1077 }
1078
1079 - (pkgCache::PkgIterator) iterator {
1080     return iterator_;
1081 }
1082
1083 - (NSString *) section {
1084     const char *section = iterator_.Section();
1085     return section == NULL ? nil : [[NSString stringWithUTF8String:section] stringByReplacingCharacter:'_' withCharacter:' '];
1086 }
1087
1088 - (Address *) maintainer {
1089     if (file_.end())
1090         return nil;
1091     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
1092     return [Address addressWithString:[NSString stringWithUTF8String:parser->Maintainer().c_str()]];
1093 }
1094
1095 - (size_t) size {
1096     return version_.end() ? 0 : version_->InstalledSize;
1097 }
1098
1099 - (NSString *) description {
1100     if (file_.end())
1101         return nil;
1102     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
1103     NSString *description([NSString stringWithUTF8String:parser->LongDesc().c_str()]);
1104
1105     NSArray *lines = [description componentsSeparatedByString:@"\n"];
1106     NSMutableArray *trimmed = [NSMutableArray arrayWithCapacity:([lines count] - 1)];
1107     if ([lines count] < 2)
1108         return nil;
1109
1110     NSCharacterSet *whitespace = [NSCharacterSet whitespaceCharacterSet];
1111     for (size_t i(1); i != [lines count]; ++i) {
1112         NSString *trim = [[lines objectAtIndex:i] stringByTrimmingCharactersInSet:whitespace];
1113         [trimmed addObject:trim];
1114     }
1115
1116     return [trimmed componentsJoinedByString:@"\n"];
1117 }
1118
1119 - (NSString *) index {
1120     NSString *index = [[[self name] substringToIndex:1] uppercaseString];
1121     return [index length] != 0 && isalpha([index characterAtIndex:0]) ? index : @"123";
1122 }
1123
1124 - (NSDate *) seen {
1125     return [[Packages_ objectForKey:id_] objectForKey:@"FirstSeen"];
1126 }
1127
1128 - (NSString *) latest {
1129     return latest_;
1130 }
1131
1132 - (NSString *) installed {
1133     return installed_;
1134 }
1135
1136 - (BOOL) valid {
1137     return !version_.end();
1138 }
1139
1140 - (BOOL) upgradableAndEssential:(BOOL)essential {
1141     pkgCache::VerIterator current = iterator_.CurrentVer();
1142
1143     if (current.end())
1144         return essential && [self essential];
1145     else {
1146         pkgCache::VerIterator candidate = [database_ policy]->GetCandidateVer(iterator_);
1147         return !candidate.end() && candidate != current;
1148     }
1149 }
1150
1151 - (BOOL) essential {
1152     return (iterator_->Flags & pkgCache::Flag::Essential) == 0 ? NO : YES;
1153 }
1154
1155 - (BOOL) broken {
1156     return [database_ cache][iterator_].InstBroken();
1157 }
1158
1159 - (BOOL) half {
1160     unsigned char current = iterator_->CurrentState;
1161     return current == pkgCache::State::HalfConfigured || current == pkgCache::State::HalfInstalled;
1162 }
1163
1164 - (BOOL) halfConfigured {
1165     return iterator_->CurrentState == pkgCache::State::HalfConfigured;
1166 }
1167
1168 - (BOOL) halfInstalled {
1169     return iterator_->CurrentState == pkgCache::State::HalfInstalled;
1170 }
1171
1172 - (BOOL) hasMode {
1173     pkgDepCache::StateCache &state([database_ cache][iterator_]);
1174     return state.Mode != pkgDepCache::ModeKeep;
1175 }
1176
1177 - (NSString *) mode {
1178     pkgDepCache::StateCache &state([database_ cache][iterator_]);
1179
1180     switch (state.Mode) {
1181         case pkgDepCache::ModeDelete:
1182             if ((state.iFlags & pkgDepCache::Purge) != 0)
1183                 return @"Purge";
1184             else
1185                 return @"Remove";
1186             _assert(false);
1187         case pkgDepCache::ModeKeep:
1188             if ((state.iFlags & pkgDepCache::AutoKept) != 0)
1189                 return nil;
1190             else
1191                 return nil;
1192             _assert(false);
1193         case pkgDepCache::ModeInstall:
1194             if ((state.iFlags & pkgDepCache::ReInstall) != 0)
1195                 return @"Reinstall";
1196             else switch (state.Status) {
1197                 case -1:
1198                     return @"Downgrade";
1199                 case 0:
1200                     return @"Install";
1201                 case 1:
1202                     return @"Upgrade";
1203                 case 2:
1204                     return @"New Install";
1205                 default:
1206                     _assert(false);
1207             }
1208         default:
1209             _assert(false);
1210     }
1211 }
1212
1213 - (NSString *) id {
1214     return id_;
1215 }
1216
1217 - (NSString *) name {
1218     return name_ == nil ? id_ : name_;
1219 }
1220
1221 - (NSString *) tagline {
1222     return tagline_;
1223 }
1224
1225 - (NSString *) icon {
1226     return icon_;
1227 }
1228
1229 - (NSString *) website {
1230     return website_;
1231 }
1232
1233 - (Address *) sponsor {
1234     return sponsor_;
1235 }
1236
1237 - (Address *) author {
1238     return author_;
1239 }
1240
1241 - (NSArray *) relationships {
1242     return relationships_;
1243 }
1244
1245 - (Source *) source {
1246     if (!cached_) {
1247         source_ = file_.end() ? nil : [[database_ getSource:file_.File()] retain];
1248         cached_ = true;
1249     }
1250
1251     return source_;
1252 }
1253
1254 - (BOOL) matches:(NSString *)text {
1255     if (text == nil)
1256         return NO;
1257
1258     NSRange range;
1259
1260     range = [[self id] rangeOfString:text options:NSCaseInsensitiveSearch];
1261     if (range.location != NSNotFound)
1262         return YES;
1263
1264     range = [[self name] rangeOfString:text options:NSCaseInsensitiveSearch];
1265     if (range.location != NSNotFound)
1266         return YES;
1267
1268     range = [[self tagline] rangeOfString:text options:NSCaseInsensitiveSearch];
1269     if (range.location != NSNotFound)
1270         return YES;
1271
1272     return NO;
1273 }
1274
1275 - (NSComparisonResult) compareByName:(Package *)package {
1276     NSString *lhs = [self name];
1277     NSString *rhs = [package name];
1278
1279     if ([lhs length] != 0 && [rhs length] != 0) {
1280         unichar lhc = [lhs characterAtIndex:0];
1281         unichar rhc = [rhs characterAtIndex:0];
1282
1283         if (isalpha(lhc) && !isalpha(rhc))
1284             return NSOrderedAscending;
1285         else if (!isalpha(lhc) && isalpha(rhc))
1286             return NSOrderedDescending;
1287     }
1288
1289     return [lhs caseInsensitiveCompare:rhs];
1290 }
1291
1292 - (NSComparisonResult) compareBySection:(Package *)package {
1293     NSString *lhs = [self section];
1294     NSString *rhs = [package section];
1295
1296     if (lhs == NULL && rhs != NULL)
1297         return NSOrderedAscending;
1298     else if (lhs != NULL && rhs == NULL)
1299         return NSOrderedDescending;
1300     else if (lhs != NULL && rhs != NULL) {
1301         NSComparisonResult result = [lhs caseInsensitiveCompare:rhs];
1302         if (result != NSOrderedSame)
1303             return result;
1304     }
1305
1306     return NSOrderedSame;
1307 }
1308
1309 - (NSComparisonResult) compareBySectionAndName:(Package *)package {
1310     NSString *lhs = [self section];
1311     NSString *rhs = [package section];
1312
1313     if (lhs == NULL && rhs != NULL)
1314         return NSOrderedAscending;
1315     else if (lhs != NULL && rhs == NULL)
1316         return NSOrderedDescending;
1317     else if (lhs != NULL && rhs != NULL) {
1318         NSComparisonResult result = [lhs compare:rhs];
1319         if (result != NSOrderedSame)
1320             return result;
1321     }
1322
1323     return [self compareByName:package];
1324 }
1325
1326 - (NSComparisonResult) compareForChanges:(Package *)package {
1327     BOOL lhs = [self upgradableAndEssential:YES];
1328     BOOL rhs = [package upgradableAndEssential:YES];
1329
1330     if (lhs != rhs)
1331         return lhs ? NSOrderedAscending : NSOrderedDescending;
1332     else if (!lhs) {
1333         switch ([[self seen] compare:[package seen]]) {
1334             case NSOrderedAscending:
1335                 return NSOrderedDescending;
1336             case NSOrderedSame:
1337                 break;
1338             case NSOrderedDescending:
1339                 return NSOrderedAscending;
1340             default:
1341                 _assert(false);
1342         }
1343     }
1344
1345     return [self compareByName:package];
1346 }
1347
1348 - (void) install {
1349     pkgProblemResolver *resolver = [database_ resolver];
1350     resolver->Clear(iterator_);
1351     resolver->Protect(iterator_);
1352     pkgCacheFile &cache([database_ cache]);
1353     cache->MarkInstall(iterator_, false);
1354     pkgDepCache::StateCache &state((*cache)[iterator_]);
1355     if (!state.Install())
1356         cache->SetReInstall(iterator_, true);
1357 }
1358
1359 - (void) remove {
1360     pkgProblemResolver *resolver = [database_ resolver];
1361     resolver->Clear(iterator_);
1362     resolver->Protect(iterator_);
1363     resolver->Remove(iterator_);
1364     [database_ cache]->MarkDelete(iterator_, true);
1365 }
1366
1367 - (NSNumber *) isSearchedForBy:(NSString *)search {
1368     return [NSNumber numberWithBool:([self valid] && [self matches:search])];
1369 }
1370
1371 - (NSNumber *) isInstalledInSection:(NSString *)section {
1372     return [NSNumber numberWithBool:([self installed] != nil && (section == nil || [section isEqualToString:[self section]]))];
1373 }
1374
1375 - (NSNumber *) isUninstalledInSection:(NSString *)name {
1376     NSString *section = [self section];
1377
1378     return [NSNumber numberWithBool:([self valid] && [self installed] == nil && (
1379         (name == nil ||
1380         section == nil && [name length] == 0 ||
1381         [name isEqualToString:section])
1382     ))];
1383 }
1384
1385 @end
1386 /* }}} */
1387 /* Section Class {{{ */
1388 @interface Section : NSObject {
1389     NSString *name_;
1390     size_t row_;
1391     size_t count_;
1392 }
1393
1394 - (Section *) initWithName:(NSString *)name row:(size_t)row;
1395 - (NSString *) name;
1396 - (size_t) row;
1397 - (size_t) count;
1398 - (void) addToCount;
1399
1400 @end
1401
1402 @implementation Section
1403
1404 - (void) dealloc {
1405     [name_ release];
1406     [super dealloc];
1407 }
1408
1409 - (Section *) initWithName:(NSString *)name row:(size_t)row {
1410     if ((self = [super init]) != nil) {
1411         name_ = [name retain];
1412         row_ = row;
1413     } return self;
1414 }
1415
1416 - (NSString *) name {
1417     return name_;
1418 }
1419
1420 - (size_t) row {
1421     return row_;
1422 }
1423
1424 - (size_t) count {
1425     return count_;
1426 }
1427
1428 - (void) addToCount {
1429     ++count_;
1430 }
1431
1432 @end
1433 /* }}} */
1434
1435 /* Database Implementation {{{ */
1436 @implementation Database
1437
1438 - (void) dealloc {
1439     _assert(false);
1440     [super dealloc];
1441 }
1442
1443 - (void) _readCydia:(NSNumber *)fd {
1444     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
1445
1446     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
1447     std::istream is(&ib);
1448     std::string line;
1449
1450     while (std::getline(is, line)) {
1451         const char *data(line.c_str());
1452         //size_t size = line.size();
1453         fprintf(stderr, "C:%s\n", data);
1454     }
1455
1456     [pool release];
1457     _assert(false);
1458 }
1459
1460 - (void) _readStatus:(NSNumber *)fd {
1461     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
1462
1463     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
1464     std::istream is(&ib);
1465     std::string line;
1466
1467     Pcre conffile_r("^status: [^ ]* : conffile-prompt : (.*?) *$");
1468     Pcre pmstatus_r("^([^:]*):([^:]*):([^:]*):(.*)$");
1469
1470     while (std::getline(is, line)) {
1471         const char *data(line.c_str());
1472         size_t size = line.size();
1473         fprintf(stderr, "S:%s\n", data);
1474
1475         if (conffile_r(data, size)) {
1476             [delegate_ setConfigurationData:conffile_r[1]];
1477         } else if (strncmp(data, "status: ", 8) == 0) {
1478             NSString *string = [NSString stringWithUTF8String:(data + 8)];
1479             [delegate_ setProgressTitle:string];
1480         } else if (pmstatus_r(data, size)) {
1481             std::string type([pmstatus_r[1] UTF8String]);
1482             NSString *id = pmstatus_r[2];
1483
1484             float percent([pmstatus_r[3] floatValue]);
1485             [delegate_ setProgressPercent:(percent / 100)];
1486
1487             NSString *string = pmstatus_r[4];
1488
1489             if (type == "pmerror")
1490                 [delegate_ performSelectorOnMainThread:@selector(_setProgressError:)
1491                     withObject:[NSArray arrayWithObjects:string, id, nil]
1492                     waitUntilDone:YES
1493                 ];
1494             else if (type == "pmstatus")
1495                 [delegate_ setProgressTitle:string];
1496             else if (type == "pmconffile")
1497                 [delegate_ setConfigurationData:string];
1498             else _assert(false);
1499         } else _assert(false);
1500     }
1501
1502     [pool release];
1503     _assert(false);
1504 }
1505
1506 - (void) _readOutput:(NSNumber *)fd {
1507     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
1508
1509     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
1510     std::istream is(&ib);
1511     std::string line;
1512
1513     while (std::getline(is, line)) {
1514         fprintf(stderr, "O:%s\n", line.c_str());
1515         [delegate_ addProgressOutput:[NSString stringWithUTF8String:line.c_str()]];
1516     }
1517
1518     [pool release];
1519     _assert(false);
1520 }
1521
1522 - (FILE *) input {
1523     return input_;
1524 }
1525
1526 - (Package *) packageWithName:(NSString *)name {
1527     if (static_cast<pkgDepCache *>(cache_) == NULL)
1528         return nil;
1529     pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]));
1530     return iterator.end() ? nil : [Package packageWithIterator:iterator database:self];
1531 }
1532
1533 - (Database *) init {
1534     if ((self = [super init]) != nil) {
1535         policy_ = NULL;
1536         records_ = NULL;
1537         resolver_ = NULL;
1538         fetcher_ = NULL;
1539         lock_ = NULL;
1540
1541         sources_ = [[NSMutableDictionary dictionaryWithCapacity:16] retain];
1542         packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
1543
1544         int fds[2];
1545
1546         _assert(pipe(fds) != -1);
1547         cydiafd_ = fds[1];
1548
1549         _config->Set("APT::Keep-Fds::", cydiafd_);
1550         setenv("CYDIA", [[[[NSNumber numberWithInt:cydiafd_] stringValue] stringByAppendingString:@" 0"] UTF8String], _not(int));
1551
1552         [NSThread
1553             detachNewThreadSelector:@selector(_readCydia:)
1554             toTarget:self
1555             withObject:[[NSNumber numberWithInt:fds[0]] retain]
1556         ];
1557
1558         _assert(pipe(fds) != -1);
1559         statusfd_ = fds[1];
1560
1561         [NSThread
1562             detachNewThreadSelector:@selector(_readStatus:)
1563             toTarget:self
1564             withObject:[[NSNumber numberWithInt:fds[0]] retain]
1565         ];
1566
1567         _assert(pipe(fds) != -1);
1568         _assert(dup2(fds[0], 0) != -1);
1569         _assert(close(fds[0]) != -1);
1570
1571         input_ = fdopen(fds[1], "a");
1572
1573         _assert(pipe(fds) != -1);
1574         _assert(dup2(fds[1], 1) != -1);
1575         _assert(close(fds[1]) != -1);
1576
1577         [NSThread
1578             detachNewThreadSelector:@selector(_readOutput:)
1579             toTarget:self
1580             withObject:[[NSNumber numberWithInt:fds[0]] retain]
1581         ];
1582     } return self;
1583 }
1584
1585 - (pkgCacheFile &) cache {
1586     return cache_;
1587 }
1588
1589 - (pkgDepCache::Policy *) policy {
1590     return policy_;
1591 }
1592
1593 - (pkgRecords *) records {
1594     return records_;
1595 }
1596
1597 - (pkgProblemResolver *) resolver {
1598     return resolver_;
1599 }
1600
1601 - (pkgAcquire &) fetcher {
1602     return *fetcher_;
1603 }
1604
1605 - (NSArray *) packages {
1606     return packages_;
1607 }
1608
1609 - (void) reloadData {
1610     _error->Discard();
1611
1612     delete list_;
1613     list_ = NULL;
1614     manager_ = NULL;
1615     delete lock_;
1616     lock_ = NULL;
1617     delete fetcher_;
1618     fetcher_ = NULL;
1619     delete resolver_;
1620     resolver_ = NULL;
1621     delete records_;
1622     records_ = NULL;
1623     delete policy_;
1624     policy_ = NULL;
1625
1626     cache_.Close();
1627
1628     if (!cache_.Open(progress_, true)) {
1629         std::string error;
1630         if (!_error->PopMessage(error))
1631             _assert(false);
1632         _error->Discard();
1633         fprintf(stderr, "cache_.Open():[%s]\n", error.c_str());
1634
1635         if (error == "dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem. ")
1636             [delegate_ repairWithSelector:@selector(configure)];
1637         else if (error == "The package lists or status file could not be parsed or opened.")
1638             [delegate_ repairWithSelector:@selector(update)];
1639         // else if (error == "Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)")
1640         // else if (error == "Could not get lock /var/lib/dpkg/lock - open (35 Resource temporarily unavailable)")
1641         // else if (error == "The list of sources could not be read.")
1642         else _assert(false);
1643
1644         return;
1645     }
1646
1647     now_ = [[NSDate date] retain];
1648
1649     policy_ = new pkgDepCache::Policy();
1650     records_ = new pkgRecords(cache_);
1651     resolver_ = new pkgProblemResolver(cache_);
1652     fetcher_ = new pkgAcquire(&status_);
1653     lock_ = NULL;
1654
1655     list_ = new pkgSourceList();
1656     _assert(list_->ReadMainList());
1657
1658     _assert(cache_->DelCount() == 0 && cache_->InstCount() == 0);
1659     _assert(pkgApplyStatus(cache_));
1660
1661     if (cache_->BrokenCount() != 0) {
1662         _assert(pkgFixBroken(cache_));
1663         _assert(cache_->BrokenCount() == 0);
1664         _assert(pkgMinimizeUpgrade(cache_));
1665     }
1666
1667     [sources_ removeAllObjects];
1668     for (pkgSourceList::const_iterator source = list_->begin(); source != list_->end(); ++source) {
1669         std::vector<pkgIndexFile *> *indices = (*source)->GetIndexFiles();
1670         for (std::vector<pkgIndexFile *>::const_iterator index = indices->begin(); index != indices->end(); ++index)
1671             [sources_
1672                 setObject:[[[Source alloc] initWithMetaIndex:*source] autorelease]
1673                 forKey:[NSNumber numberWithLong:reinterpret_cast<uintptr_t>(*index)]
1674             ];
1675     }
1676
1677     [packages_ removeAllObjects];
1678     for (pkgCache::PkgIterator iterator = cache_->PkgBegin(); !iterator.end(); ++iterator)
1679         if (Package *package = [Package packageWithIterator:iterator database:self])
1680             [packages_ addObject:package];
1681
1682     [packages_ sortUsingSelector:@selector(compareByName:)];
1683 }
1684
1685 - (void) configure {
1686     NSString *dpkg = [NSString stringWithFormat:@"dpkg --configure -a --status-fd %u", statusfd_];
1687     system([dpkg UTF8String]);
1688 }
1689
1690 - (void) clean {
1691     if (lock_ != NULL)
1692         return;
1693
1694     FileFd Lock;
1695     Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
1696     _assert(!_error->PendingError());
1697
1698     pkgAcquire fetcher;
1699     fetcher.Clean(_config->FindDir("Dir::Cache::Archives"));
1700
1701     class LogCleaner :
1702         public pkgArchiveCleaner
1703     {
1704       protected:
1705         virtual void Erase(const char *File, std::string Pkg, std::string Ver, struct stat &St) {
1706             unlink(File);
1707         }
1708     } cleaner;
1709
1710     if (!cleaner.Go(_config->FindDir("Dir::Cache::Archives") + "partial/", cache_)) {
1711         std::string error;
1712         while (_error->PopMessage(error))
1713             fprintf(stderr, "ArchiveCleaner: %s\n", error.c_str());
1714     }
1715 }
1716
1717 - (void) prepare {
1718     pkgRecords records(cache_);
1719
1720     lock_ = new FileFd();
1721     lock_->Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
1722     _assert(!_error->PendingError());
1723
1724     pkgSourceList list;
1725     // XXX: explain this with an error message
1726     _assert(list.ReadMainList());
1727
1728     manager_ = (_system->CreatePM(cache_));
1729     _assert(manager_->GetArchives(fetcher_, &list, &records));
1730     _assert(!_error->PendingError());
1731 }
1732
1733 - (void) perform {
1734     NSMutableArray *before = [NSMutableArray arrayWithCapacity:16]; {
1735         pkgSourceList list;
1736         _assert(list.ReadMainList());
1737         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
1738             [before addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
1739     }
1740
1741     if (fetcher_->Run(PulseInterval_) != pkgAcquire::Continue)
1742         return;
1743
1744     _system->UnLock();
1745     pkgPackageManager::OrderResult result = manager_->DoInstall(statusfd_);
1746
1747     if (result == pkgPackageManager::Failed)
1748         return;
1749     if (_error->PendingError())
1750         return;
1751     if (result != pkgPackageManager::Completed)
1752         return;
1753
1754     NSMutableArray *after = [NSMutableArray arrayWithCapacity:16]; {
1755         pkgSourceList list;
1756         _assert(list.ReadMainList());
1757         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
1758             [after addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
1759     }
1760
1761     if (![before isEqualToArray:after])
1762         [self update];
1763 }
1764
1765 - (void) upgrade {
1766     _assert(pkgDistUpgrade(cache_));
1767 }
1768
1769 - (void) update {
1770     [self updateWithStatus:status_];
1771 }
1772
1773 - (void) updateWithStatus:(Status &)status {
1774     pkgSourceList list;
1775     _assert(list.ReadMainList());
1776
1777     FileFd lock;
1778     lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
1779     _assert(!_error->PendingError());
1780
1781     pkgAcquire fetcher(&status);
1782     _assert(list.GetIndexes(&fetcher));
1783
1784     if (fetcher.Run(PulseInterval_) != pkgAcquire::Failed) {
1785         bool failed = false;
1786         for (pkgAcquire::ItemIterator item = fetcher.ItemsBegin(); item != fetcher.ItemsEnd(); item++)
1787             if ((*item)->Status != pkgAcquire::Item::StatDone) {
1788                 (*item)->Finished();
1789                 failed = true;
1790             }
1791
1792         if (!failed && _config->FindB("APT::Get::List-Cleanup", true) == true) {
1793             _assert(fetcher.Clean(_config->FindDir("Dir::State::lists")));
1794             _assert(fetcher.Clean(_config->FindDir("Dir::State::lists") + "partial/"));
1795         }
1796
1797         [Metadata_ setObject:[NSDate date] forKey:@"LastUpdate"];
1798         Changed_ = true;
1799     }
1800 }
1801
1802 - (void) setDelegate:(id)delegate {
1803     delegate_ = delegate;
1804     status_.setDelegate(delegate);
1805     progress_.setDelegate(delegate);
1806 }
1807
1808 - (Source *) getSource:(const pkgCache::PkgFileIterator &)file {
1809     pkgIndexFile *index(NULL);
1810     list_->FindIndex(file, index);
1811     return [sources_ objectForKey:[NSNumber numberWithLong:reinterpret_cast<uintptr_t>(index)]];
1812 }
1813
1814 @end
1815 /* }}} */
1816
1817 /* Confirmation View {{{ */
1818 void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString *key) {
1819     if ([packages count] == 0)
1820         return;
1821
1822     UITextView *text = GetTextView([packages count] == 0 ? @"n/a" : [packages componentsJoinedByString:@", "], 120, false);
1823     [fields setObject:text forKey:key];
1824
1825     CGColor blue(space_, 0, 0, 0.4, 1);
1826     [text setTextColor:blue];
1827 }
1828
1829 @protocol ConfirmationViewDelegate
1830 - (void) cancel;
1831 - (void) confirm;
1832 @end
1833
1834 @interface ConfirmationView : UIView {
1835     Database *database_;
1836     id delegate_;
1837     UITransitionView *transition_;
1838     UIView *overlay_;
1839     UINavigationBar *navbar_;
1840     UIPreferencesTable *table_;
1841     NSMutableDictionary *fields_;
1842     UIAlertSheet *essential_;
1843 }
1844
1845 - (void) cancel;
1846
1847 - (id) initWithView:(UIView *)view database:(Database *)database delegate:(id)delegate;
1848
1849 @end
1850
1851 @implementation ConfirmationView
1852
1853 - (void) dealloc {
1854     [navbar_ setDelegate:nil];
1855     [transition_ setDelegate:nil];
1856     [table_ setDataSource:nil];
1857
1858     [transition_ release];
1859     [overlay_ release];
1860     [navbar_ release];
1861     [table_ release];
1862     [fields_ release];
1863     if (essential_ != nil)
1864         [essential_ release];
1865     [super dealloc];
1866 }
1867
1868 - (void) cancel {
1869     [transition_ transition:7 toView:nil];
1870     [delegate_ cancel];
1871 }
1872
1873 - (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to {
1874     if (from != nil && to == nil)
1875         [self removeFromSuperview];
1876 }
1877
1878 - (void) navigationBar:(UINavigationBar *)navbar buttonClicked:(int)button {
1879     switch (button) {
1880         case 0:
1881             if (essential_ != nil)
1882                 [essential_ popupAlertAnimated:YES];
1883             else
1884                 [delegate_ confirm];
1885         break;
1886
1887         case 1:
1888             [self cancel];
1889         break;
1890     }
1891 }
1892
1893 - (void) alertSheet:(UIAlertSheet *)sheet buttonClicked:(int)button {
1894     NSString *context = [sheet context];
1895
1896     if ([context isEqualToString:@"remove"])
1897         switch (button) {
1898             case 1:
1899                 [self cancel];
1900                 break;
1901             case 2:
1902                 [delegate_ confirm];
1903                 break;
1904             default:
1905                 _assert(false);
1906         }
1907     else if ([context isEqualToString:@"unable"])
1908         [self cancel];
1909
1910     [sheet dismiss];
1911 }
1912
1913 - (int) numberOfGroupsInPreferencesTable:(UIPreferencesTable *)table {
1914     return 2;
1915 }
1916
1917 - (NSString *) preferencesTable:(UIPreferencesTable *)table titleForGroup:(int)group {
1918     switch (group) {
1919         case 0: return @"Statistics";
1920         case 1: return @"Modifications";
1921
1922         default: _assert(false);
1923     }
1924 }
1925
1926 - (int) preferencesTable:(UIPreferencesTable *)table numberOfRowsInGroup:(int)group {
1927     switch (group) {
1928         case 0: return 3;
1929         case 1: return [fields_ count];
1930
1931         default: _assert(false);
1932     }
1933 }
1934
1935 - (float) preferencesTable:(UIPreferencesTable *)table heightForRow:(int)row inGroup:(int)group withProposedHeight:(float)proposed {
1936     if (group != 1 || row == -1)
1937         return proposed;
1938     else {
1939         _assert(size_t(row) < [fields_ count]);
1940         return [[[fields_ allValues] objectAtIndex:row] visibleTextRect].size.height + TextViewOffset_;
1941     }
1942 }
1943
1944 - (UIPreferencesTableCell *) preferencesTable:(UIPreferencesTable *)table cellForRow:(int)row inGroup:(int)group {
1945     UIPreferencesTableCell *cell = [[[UIPreferencesTableCell alloc] init] autorelease];
1946     [cell setShowSelection:NO];
1947
1948     switch (group) {
1949         case 0: switch (row) {
1950             case 0: {
1951                 [cell setTitle:@"Downloading"];
1952                 [cell setValue:SizeString([database_ fetcher].FetchNeeded())];
1953             } break;
1954
1955             case 1: {
1956                 [cell setTitle:@"Resuming At"];
1957                 [cell setValue:SizeString([database_ fetcher].PartialPresent())];
1958             } break;
1959
1960             case 2: {
1961                 double size([database_ cache]->UsrSize());
1962
1963                 if (size < 0) {
1964                     [cell setTitle:@"Disk Freeing"];
1965                     [cell setValue:SizeString(-size)];
1966                 } else {
1967                     [cell setTitle:@"Disk Using"];
1968                     [cell setValue:SizeString(size)];
1969                 }
1970             } break;
1971
1972             default: _assert(false);
1973         } break;
1974
1975         case 1:
1976             _assert(size_t(row) < [fields_ count]);
1977             [cell setTitle:[[fields_ allKeys] objectAtIndex:row]];
1978             [cell addSubview:[[fields_ allValues] objectAtIndex:row]];
1979         break;
1980
1981         default: _assert(false);
1982     }
1983
1984     return cell;
1985 }
1986
1987 - (id) initWithView:(UIView *)view database:(Database *)database delegate:(id)delegate {
1988     if ((self = [super initWithFrame:[view bounds]]) != nil) {
1989         database_ = database;
1990         delegate_ = delegate;
1991
1992         transition_ = [[UITransitionView alloc] initWithFrame:[self bounds]];
1993         [self addSubview:transition_];
1994
1995         overlay_ = [[UIView alloc] initWithFrame:[transition_ bounds]];
1996
1997         CGSize navsize = [UINavigationBar defaultSize];
1998         CGRect navrect = {{0, 0}, navsize};
1999         CGRect bounds = [overlay_ bounds];
2000
2001         navbar_ = [[UINavigationBar alloc] initWithFrame:navrect];
2002         if (Advanced_)
2003             [navbar_ setBarStyle:1];
2004         [navbar_ setDelegate:self];
2005
2006         UINavigationItem *navitem = [[[UINavigationItem alloc] initWithTitle:@"Confirm"] autorelease];
2007         [navbar_ pushNavigationItem:navitem];
2008         [navbar_ showButtonsWithLeftTitle:@"Cancel" rightTitle:@"Confirm"];
2009
2010         fields_ = [[NSMutableDictionary dictionaryWithCapacity:16] retain];
2011
2012         NSMutableArray *installing = [NSMutableArray arrayWithCapacity:16];
2013         NSMutableArray *reinstalling = [NSMutableArray arrayWithCapacity:16];
2014         NSMutableArray *upgrading = [NSMutableArray arrayWithCapacity:16];
2015         NSMutableArray *downgrading = [NSMutableArray arrayWithCapacity:16];
2016         NSMutableArray *removing = [NSMutableArray arrayWithCapacity:16];
2017
2018         bool remove(false);
2019
2020         pkgCacheFile &cache([database_ cache]);
2021         NSArray *packages = [database_ packages];
2022         for (size_t i(0), e = [packages count]; i != e; ++i) {
2023             Package *package = [packages objectAtIndex:i];
2024             pkgCache::PkgIterator iterator = [package iterator];
2025             pkgDepCache::StateCache &state(cache[iterator]);
2026
2027             NSString *name([package name]);
2028
2029             if (state.NewInstall())
2030                 [installing addObject:name];
2031             else if (!state.Delete() && (state.iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
2032                 [reinstalling addObject:name];
2033             else if (state.Upgrade())
2034                 [upgrading addObject:name];
2035             else if (state.Downgrade())
2036                 [downgrading addObject:name];
2037             else if (state.Delete()) {
2038                 if ([package essential])
2039                     remove = true;
2040                 [removing addObject:name];
2041             }
2042         }
2043
2044         if (!remove)
2045             essential_ = nil;
2046         else if (Advanced_ || true) {
2047             essential_ = [[UIAlertSheet alloc]
2048                 initWithTitle:@"Removing Essentials"
2049                 buttons:[NSArray arrayWithObjects:
2050                     @"Cancel Operation (Safe)",
2051                     @"Force Removal (Unsafe)",
2052                 nil]
2053                 defaultButtonIndex:0
2054                 delegate:self
2055                 context:@"remove"
2056             ];
2057
2058 #ifndef __OBJC2__
2059             [essential_ setDestructiveButton:[[essential_ buttons] objectAtIndex:0]];
2060 #endif
2061             [essential_ setBodyText:@"This operation involves the removal of one or more packages that are required for the continued operation of either Cydia or iPhoneOS. If you continue, you may not be able to use Cydia to repair any damage."];
2062         } else {
2063             essential_ = [[UIAlertSheet alloc]
2064                 initWithTitle:@"Unable to Comply"
2065                 buttons:[NSArray arrayWithObjects:@"Okay", nil]
2066                 defaultButtonIndex:0
2067                 delegate:self
2068                 context:@"unable"
2069             ];
2070
2071             [essential_ setBodyText:@"This operation requires the removal of one or more packages that are required for the continued operation of either Cydia or iPhoneOS. In order to continue and force this operation you will need to be activate the Advanced mode under to continue and force this operation you will need to be activate the Advanced mode under Settings."];
2072         }
2073
2074         AddTextView(fields_, installing, @"Installing");
2075         AddTextView(fields_, reinstalling, @"Reinstalling");
2076         AddTextView(fields_, upgrading, @"Upgrading");
2077         AddTextView(fields_, downgrading, @"Downgrading");
2078         AddTextView(fields_, removing, @"Removing");
2079
2080         table_ = [[UIPreferencesTable alloc] initWithFrame:CGRectMake(
2081             0, navsize.height, bounds.size.width, bounds.size.height - navsize.height
2082         )];
2083
2084         [table_ setReusesTableCells:YES];
2085         [table_ setDataSource:self];
2086         [table_ reloadData];
2087
2088         [overlay_ addSubview:navbar_];
2089         [overlay_ addSubview:table_];
2090
2091         [view addSubview:self];
2092
2093         [transition_ setDelegate:self];
2094
2095         UIView *blank = [[[UIView alloc] initWithFrame:[transition_ bounds]] autorelease];
2096         [transition_ transition:0 toView:blank];
2097         [transition_ transition:3 toView:overlay_];
2098     } return self;
2099 }
2100
2101 @end
2102 /* }}} */
2103
2104 /* Progress Data {{{ */
2105 @interface ProgressData : NSObject {
2106     SEL selector_;
2107     id target_;
2108     id object_;
2109 }
2110
2111 - (ProgressData *) initWithSelector:(SEL)selector target:(id)target object:(id)object;
2112
2113 - (SEL) selector;
2114 - (id) target;
2115 - (id) object;
2116 @end
2117
2118 @implementation ProgressData
2119
2120 - (ProgressData *) initWithSelector:(SEL)selector target:(id)target object:(id)object {
2121     if ((self = [super init]) != nil) {
2122         selector_ = selector;
2123         target_ = target;
2124         object_ = object;
2125     } return self;
2126 }
2127
2128 - (SEL) selector {
2129     return selector_;
2130 }
2131
2132 - (id) target {
2133     return target_;
2134 }
2135
2136 - (id) object {
2137     return object_;
2138 }
2139
2140 @end
2141 /* }}} */
2142 /* Progress View {{{ */
2143 Pcre conffile_r("^'(.*)' '(.*)' ([01]) ([01])$");
2144
2145 @interface ProgressView : UIView <
2146     ConfigurationDelegate,
2147     ProgressDelegate
2148 > {
2149     _transient Database *database_;
2150     UIView *view_;
2151     UIView *background_;
2152     UITransitionView *transition_;
2153     UIView *overlay_;
2154     UINavigationBar *navbar_;
2155     UIProgressBar *progress_;
2156     UITextView *output_;
2157     UITextLabel *status_;
2158     UIPushButton *close_;
2159     id delegate_;
2160     BOOL running_;
2161 }
2162
2163 - (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to;
2164
2165 - (id) initWithFrame:(struct CGRect)frame database:(Database *)database delegate:(id)delegate;
2166 - (void) setContentView:(UIView *)view;
2167 - (void) resetView;
2168
2169 - (void) _retachThread;
2170 - (void) _detachNewThreadData:(ProgressData *)data;
2171 - (void) detachNewThreadSelector:(SEL)selector toTarget:(id)target withObject:(id)object title:(NSString *)title;
2172
2173 - (BOOL) isRunning;
2174
2175 @end
2176
2177 @protocol ProgressViewDelegate
2178 - (void) progressViewIsComplete:(ProgressView *)sender;
2179 @end
2180
2181 @implementation ProgressView
2182
2183 - (void) dealloc {
2184     [transition_ setDelegate:nil];
2185     [navbar_ setDelegate:nil];
2186
2187     [view_ release];
2188     if (background_ != nil)
2189         [background_ release];
2190     [transition_ release];
2191     [overlay_ release];
2192     [navbar_ release];
2193     [progress_ release];
2194     [output_ release];
2195     [status_ release];
2196     [close_ release];
2197     [super dealloc];
2198 }
2199
2200 - (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to {
2201     if (bootstrap_ && from == overlay_ && to == view_)
2202         exit(0);
2203 }
2204
2205 - (id) initWithFrame:(struct CGRect)frame database:(Database *)database delegate:(id)delegate {
2206     if ((self = [super initWithFrame:frame]) != nil) {
2207         database_ = database;
2208         delegate_ = delegate;
2209
2210         transition_ = [[UITransitionView alloc] initWithFrame:[self bounds]];
2211         [transition_ setDelegate:self];
2212
2213         overlay_ = [[UIView alloc] initWithFrame:[transition_ bounds]];
2214
2215         if (bootstrap_)
2216             [overlay_ setBackgroundColor:Black_];
2217         else {
2218             background_ = [[UIView alloc] initWithFrame:[self bounds]];
2219             [background_ setBackgroundColor:Black_];
2220             [self addSubview:background_];
2221         }
2222
2223         [self addSubview:transition_];
2224
2225         CGSize navsize = [UINavigationBar defaultSize];
2226         CGRect navrect = {{0, 0}, navsize};
2227
2228         navbar_ = [[UINavigationBar alloc] initWithFrame:navrect];
2229         [overlay_ addSubview:navbar_];
2230
2231         [navbar_ setBarStyle:1];
2232         [navbar_ setDelegate:self];
2233
2234         UINavigationItem *navitem = [[[UINavigationItem alloc] initWithTitle:nil] autorelease];
2235         [navbar_ pushNavigationItem:navitem];
2236
2237         CGRect bounds = [overlay_ bounds];
2238         CGSize prgsize = [UIProgressBar defaultSize];
2239
2240         CGRect prgrect = {{
2241             (bounds.size.width - prgsize.width) / 2,
2242             bounds.size.height - prgsize.height - 20
2243         }, prgsize};
2244
2245         progress_ = [[UIProgressBar alloc] initWithFrame:prgrect];
2246         [progress_ setStyle:0];
2247
2248         status_ = [[UITextLabel alloc] initWithFrame:CGRectMake(
2249             10,
2250             bounds.size.height - prgsize.height - 50,
2251             bounds.size.width - 20,
2252             24
2253         )];
2254
2255         [status_ setColor:White_];
2256         [status_ setBackgroundColor:Clear_];
2257
2258         [status_ setCentersHorizontally:YES];
2259         //[status_ setFont:font];
2260
2261         output_ = [[UITextView alloc] initWithFrame:CGRectMake(
2262             10,
2263             navrect.size.height + 20,
2264             bounds.size.width - 20,
2265             bounds.size.height - navsize.height - 62 - navrect.size.height
2266         )];
2267
2268         //[output_ setTextFont:@"Courier New"];
2269         [output_ setTextSize:12];
2270
2271         [output_ setTextColor:White_];
2272         [output_ setBackgroundColor:Clear_];
2273
2274         [output_ setMarginTop:0];
2275         [output_ setAllowsRubberBanding:YES];
2276         [output_ setEditable:NO];
2277
2278         [overlay_ addSubview:output_];
2279
2280         close_ = [[UIPushButton alloc] initWithFrame:CGRectMake(
2281             10,
2282             bounds.size.height - prgsize.height - 50,
2283             bounds.size.width - 20,
2284             32 + prgsize.height
2285         )];
2286
2287         [close_ setAutosizesToFit:NO];
2288         [close_ setDrawsShadow:YES];
2289         [close_ setStretchBackground:YES];
2290         [close_ setTitle:@"Close Window"];
2291         [close_ setEnabled:YES];
2292
2293         GSFontRef bold = GSFontCreateWithName("Helvetica", kGSFontTraitBold, 22);
2294         [close_ setTitleFont:bold];
2295         CFRelease(bold);
2296
2297         [close_ addTarget:self action:@selector(closeButtonPushed) forEvents:kUIControlEventMouseUpInside];
2298         [close_ setBackground:[UIImage applicationImageNamed:@"green-up.png"] forState:0];
2299         [close_ setBackground:[UIImage applicationImageNamed:@"green-dn.png"] forState:1];
2300     } return self;
2301 }
2302
2303 - (void) setContentView:(UIView *)view {
2304     view_ = [view retain];
2305 }
2306
2307 - (void) resetView {
2308     [transition_ transition:6 toView:view_];
2309 }
2310
2311 - (void) alertSheet:(UIAlertSheet *)sheet buttonClicked:(int)button {
2312     NSString *context = [sheet context];
2313     if ([context isEqualToString:@"conffile"]) {
2314         FILE *input = [database_ input];
2315
2316         switch (button) {
2317             case 1:
2318                 fprintf(input, "N\n");
2319                 fflush(input);
2320                 break;
2321             case 2:
2322                 fprintf(input, "Y\n");
2323                 fflush(input);
2324                 break;
2325             default:
2326                 _assert(false);
2327         }
2328     }
2329
2330     [sheet dismiss];
2331 }
2332
2333 - (void) closeButtonPushed {
2334     [delegate_ progressViewIsComplete:self];
2335     [self resetView];
2336 }
2337
2338 - (void) _retachThread {
2339     UINavigationItem *item = [navbar_ topItem];
2340     [item setTitle:@"Complete"];
2341
2342     [overlay_ addSubview:close_];
2343     [progress_ removeFromSuperview];
2344     [status_ removeFromSuperview];
2345
2346     [delegate_ setStatusBarShowsProgress:NO];
2347     running_ = NO;
2348 }
2349
2350 - (void) _detachNewThreadData:(ProgressData *)data {
2351     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
2352
2353     [[data target] performSelector:[data selector] withObject:[data object]];
2354     [data release];
2355
2356     [self performSelectorOnMainThread:@selector(_retachThread) withObject:nil waitUntilDone:YES];
2357
2358     [pool release];
2359 }
2360
2361 - (void) detachNewThreadSelector:(SEL)selector toTarget:(id)target withObject:(id)object title:(NSString *)title {
2362     UINavigationItem *item = [navbar_ topItem];
2363     [item setTitle:title];
2364
2365     [status_ setText:nil];
2366     [output_ setText:@""];
2367     [progress_ setProgress:0];
2368
2369     [close_ removeFromSuperview];
2370     [overlay_ addSubview:progress_];
2371     [overlay_ addSubview:status_];
2372
2373     [delegate_ setStatusBarShowsProgress:YES];
2374     running_ = YES;
2375
2376     [transition_ transition:6 toView:overlay_];
2377
2378     [NSThread
2379         detachNewThreadSelector:@selector(_detachNewThreadData:)
2380         toTarget:self
2381         withObject:[[ProgressData alloc]
2382             initWithSelector:selector
2383             target:target
2384             object:object
2385         ]
2386     ];
2387 }
2388
2389 - (void) repairWithSelector:(SEL)selector {
2390     [self
2391         detachNewThreadSelector:selector
2392         toTarget:database_
2393         withObject:nil
2394         title:@"Repairing..."
2395     ];
2396 }
2397
2398 - (void) setConfigurationData:(NSString *)data {
2399     [self
2400         performSelectorOnMainThread:@selector(_setConfigurationData:)
2401         withObject:data
2402         waitUntilDone:YES
2403     ];
2404 }
2405
2406 - (void) setProgressError:(NSString *)error forPackage:(NSString *)id {
2407     Package *package = id == nil ? nil : [database_ packageWithName:id];
2408
2409     UIAlertSheet *sheet = [[[UIAlertSheet alloc]
2410         initWithTitle:(package == nil ? @"Source Error" : [package name])
2411         buttons:[NSArray arrayWithObjects:@"Okay", nil]
2412         defaultButtonIndex:0
2413         delegate:self
2414         context:@"error"
2415     ] autorelease];
2416
2417     [sheet setBodyText:error];
2418     [sheet popupAlertAnimated:YES];
2419 }
2420
2421 - (void) setProgressTitle:(NSString *)title {
2422     [self
2423         performSelectorOnMainThread:@selector(_setProgressTitle:)
2424         withObject:title
2425         waitUntilDone:YES
2426     ];
2427 }
2428
2429 - (void) setProgressPercent:(float)percent {
2430     [self
2431         performSelectorOnMainThread:@selector(_setProgressPercent:)
2432         withObject:[NSNumber numberWithFloat:percent]
2433         waitUntilDone:YES
2434     ];
2435 }
2436
2437 - (void) addProgressOutput:(NSString *)output {
2438     [self
2439         performSelectorOnMainThread:@selector(_addProgressOutput:)
2440         withObject:output
2441         waitUntilDone:YES
2442     ];
2443 }
2444
2445 - (void) _setConfigurationData:(NSString *)data {
2446     _assert(conffile_r(data));
2447
2448     NSString *ofile = conffile_r[1];
2449     //NSString *nfile = conffile_r[2];
2450
2451     UIAlertSheet *sheet = [[[UIAlertSheet alloc]
2452         initWithTitle:@"Configuration Upgrade"
2453         buttons:[NSArray arrayWithObjects:
2454             @"Keep My Old Copy",
2455             @"Accept The New Copy",
2456             // XXX: @"See What Changed",
2457         nil]
2458         defaultButtonIndex:0
2459         delegate:self
2460         context:@"conffile"
2461     ] autorelease];
2462
2463     [sheet setBodyText:[NSString stringWithFormat:
2464         @"The following file has been changed by both the package maintainer and by you (or for you by a script).\n\n%@"
2465     , ofile]];
2466
2467     [sheet popupAlertAnimated:YES];
2468 }
2469
2470 - (void) _setProgressTitle:(NSString *)title {
2471     [status_ setText:[title stringByAppendingString:@"..."]];
2472 }
2473
2474 - (void) _setProgressPercent:(NSNumber *)percent {
2475     [progress_ setProgress:[percent floatValue]];
2476 }
2477
2478 - (void) _addProgressOutput:(NSString *)output {
2479     [output_ setText:[NSString stringWithFormat:@"%@\n%@", [output_ text], output]];
2480     CGSize size = [output_ contentSize];
2481     CGRect rect = {{0, size.height}, {size.width, 0}};
2482     [output_ scrollRectToVisible:rect animated:YES];
2483 }
2484
2485 - (BOOL) isRunning {
2486     return NO;
2487 }
2488
2489 @end
2490 /* }}} */
2491
2492 /* Package Cell {{{ */
2493 @interface PackageCell : UITableCell {
2494     UIImageView *icon_;
2495     UITextLabel *name_;
2496     UITextLabel *description_;
2497     UITextLabel *source_;
2498     //UIImageView *trusted_;
2499 #ifdef USE_BADGES
2500     UIImageView *badge_;
2501     UITextLabel *status_;
2502 #endif
2503     BOOL setup_;
2504 }
2505
2506 - (PackageCell *) init;
2507 - (void) setPackage:(Package *)package;
2508
2509 - (void) _setSelected:(float)fraction;
2510 - (void) setSelected:(BOOL)selected;
2511 - (void) setSelected:(BOOL)selected withFade:(BOOL)fade;
2512 - (void) _setSelectionFadeFraction:(float)fraction;
2513
2514 + (int) heightForPackage:(Package *)package;
2515
2516 @end
2517
2518 @implementation PackageCell
2519
2520 - (void) dealloc {
2521     [icon_ release];
2522     [name_ release];
2523     [description_ release];
2524     [source_ release];
2525 #ifdef USE_BADGES
2526     [badge_ release];
2527     [status_ release];
2528 #endif
2529     //[trusted_ release];
2530     [super dealloc];
2531 }
2532
2533 - (PackageCell *) init {
2534     if ((self = [super init]) != nil) {
2535         GSFontRef bold = GSFontCreateWithName("Helvetica", kGSFontTraitBold, 20);
2536         GSFontRef large = GSFontCreateWithName("Helvetica", kGSFontTraitNone, 12);
2537         GSFontRef small = GSFontCreateWithName("Helvetica", kGSFontTraitNone, 14);
2538
2539         icon_ = [[UIImageView alloc] initWithFrame:CGRectMake(10, 10, 30, 30)];
2540
2541         name_ = [[UITextLabel alloc] initWithFrame:CGRectMake(48, 8, 240, 25)];
2542         [name_ setBackgroundColor:Clear_];
2543         [name_ setFont:bold];
2544
2545         source_ = [[UITextLabel alloc] initWithFrame:CGRectMake(58, 28, 225, 20)];
2546         [source_ setBackgroundColor:Clear_];
2547         [source_ setFont:large];
2548
2549         description_ = [[UITextLabel alloc] initWithFrame:CGRectMake(12, 46, 280, 20)];
2550         [description_ setBackgroundColor:Clear_];
2551         [description_ setFont:small];
2552
2553         /*trusted_ = [[UIImageView alloc] initWithFrame:CGRectMake(30, 30, 16, 16)];
2554         [trusted_ setImage:[UIImage applicationImageNamed:@"trusted.png"]];*/
2555
2556 #ifdef USE_BADGES
2557         badge_ = [[UIImageView alloc] initWithFrame:CGRectMake(17, 70, 16, 16)];
2558
2559         status_ = [[UITextLabel alloc] initWithFrame:CGRectMake(48, 68, 280, 20)];
2560         [status_ setBackgroundColor:Clear_];
2561         [status_ setFont:small];
2562 #endif
2563
2564         /*[icon_ setImage:[UIImage applicationImageNamed:@"unknown.png"]];
2565         [icon_ zoomToScale:0.5];
2566         [icon_ setFrame:CGRectMake(10, 10, 30, 30)];*/
2567
2568         [self addSubview:icon_];
2569         [self addSubview:name_];
2570         [self addSubview:description_];
2571         [self addSubview:source_];
2572
2573         CFRelease(small);
2574         CFRelease(large);
2575         CFRelease(bold);
2576     } return self;
2577 }
2578
2579 - (void) setPackage:(Package *)package {
2580     /*if (setup_)
2581         return;
2582     else
2583         setup_ = YES;*/
2584
2585     Source *source = [package source];
2586
2587     UIImage *image = nil;
2588     if (NSString *icon = [package icon])
2589         image = [UIImage imageAtPath:[icon substringFromIndex:6]];
2590     if (image == nil) if (NSString *icon = [source defaultIcon])
2591         image = [UIImage imageAtPath:[icon substringFromIndex:6]];
2592     if (image == nil)
2593         image = [UIImage applicationImageNamed:@"unknown.png"];
2594     [icon_ setImage:image];
2595
2596     /*if (image != nil) {
2597         CGSize size = [image size];
2598         float scale = 30 / std::max(size.width, size.height);
2599         [icon_ zoomToScale:scale];
2600     }*/
2601
2602     [icon_ setFrame:CGRectMake(10, 10, 30, 30)];
2603
2604     [name_ setText:[package name]];
2605     [description_ setText:[package tagline]];
2606
2607     NSString *label = nil;
2608     bool trusted = false;
2609
2610     if (source != nil) {
2611         label = [source label];
2612         trusted = [source trusted];
2613     } else if ([[package id] isEqualToString:@"firmware"])
2614         label = @"Apple";
2615
2616     if (label == nil)
2617         label = @"Unknown/Local";
2618
2619     NSString *from = [NSString stringWithFormat:@"from %@", label];
2620
2621     NSString *section = Simplify([package section]);
2622     if (section != nil && ![section isEqualToString:label])
2623         from = [from stringByAppendingString:[NSString stringWithFormat:@" (%@)", section]];
2624
2625     [source_ setText:from];
2626
2627 #ifdef USE_BADGES
2628     [badge_ removeFromSuperview];
2629     [status_ removeFromSuperview];
2630
2631     if (NSString *mode = [package mode]) {
2632         [badge_ setImage:[UIImage applicationImageNamed:
2633             [mode isEqualToString:@"Remove"] || [mode isEqualToString:@"Purge"] ? @"removing.png" : @"installing.png"
2634         ]];
2635
2636         [status_ setText:[NSString stringWithFormat:@"Queued for %@", mode]];
2637         [status_ setColor:Blueish_];
2638     } else if ([package half]) {
2639         [badge_ setImage:[UIImage applicationImageNamed:@"damaged.png"]];
2640         [status_ setText:@"Package Damaged"];
2641         [status_ setColor:Red_];
2642     } else {
2643         [badge_ setImage:nil];
2644         [status_ setText:nil];
2645         goto done;
2646     }
2647
2648     [self addSubview:badge_];
2649     [self addSubview:status_];
2650   done:;
2651 #endif
2652 }
2653
2654 - (void) _setSelected:(float)fraction {
2655     CGColor black(space_,
2656         Interpolate(0.0, 1.0, fraction),
2657         Interpolate(0.0, 1.0, fraction),
2658         Interpolate(0.0, 1.0, fraction),
2659     1.0);
2660
2661     CGColor gray(space_,
2662         Interpolate(0.4, 1.0, fraction),
2663         Interpolate(0.4, 1.0, fraction),
2664         Interpolate(0.4, 1.0, fraction),
2665     1.0);
2666
2667     [name_ setColor:black];
2668     [description_ setColor:gray];
2669     [source_ setColor:black];
2670 }
2671
2672 - (void) setSelected:(BOOL)selected {
2673     [self _setSelected:(selected ? 1.0 : 0.0)];
2674     [super setSelected:selected];
2675 }
2676
2677 - (void) setSelected:(BOOL)selected withFade:(BOOL)fade {
2678     if (!fade)
2679         [self _setSelected:(selected ? 1.0 : 0.0)];
2680     [super setSelected:selected withFade:fade];
2681 }
2682
2683 - (void) _setSelectionFadeFraction:(float)fraction {
2684     [self _setSelected:fraction];
2685     [super _setSelectionFadeFraction:fraction];
2686 }
2687
2688 + (int) heightForPackage:(Package *)package {
2689 #ifdef USE_BADGES
2690     if ([package hasMode] || [package half])
2691         return 96;
2692     else
2693 #endif
2694         return 73;
2695 }
2696
2697 @end
2698 /* }}} */
2699 /* Section Cell {{{ */
2700 @interface SectionCell : UITableCell {
2701     UITextLabel *name_;
2702     UITextLabel *count_;
2703 }
2704
2705 - (id) init;
2706 - (void) setSection:(Section *)section;
2707
2708 - (void) _setSelected:(float)fraction;
2709 - (void) setSelected:(BOOL)selected;
2710 - (void) setSelected:(BOOL)selected withFade:(BOOL)fade;
2711 - (void) _setSelectionFadeFraction:(float)fraction;
2712
2713 @end
2714
2715 @implementation SectionCell
2716
2717 - (void) dealloc {
2718     [name_ release];
2719     [count_ release];
2720     [super dealloc];
2721 }
2722
2723 - (id) init {
2724     if ((self = [super init]) != nil) {
2725         GSFontRef bold = GSFontCreateWithName("Helvetica", kGSFontTraitBold, 22);
2726         GSFontRef small = GSFontCreateWithName("Helvetica", kGSFontTraitBold, 12);
2727
2728         name_ = [[UITextLabel alloc] initWithFrame:CGRectMake(48, 9, 250, 25)];
2729         [name_ setBackgroundColor:Clear_];
2730         [name_ setFont:bold];
2731
2732         count_ = [[UITextLabel alloc] initWithFrame:CGRectMake(11, 7, 29, 32)];
2733         [count_ setCentersHorizontally:YES];
2734         [count_ setBackgroundColor:Clear_];
2735         [count_ setFont:small];
2736         [count_ setColor:White_];
2737
2738         UIImageView *folder = [[[UIImageView alloc] initWithFrame:CGRectMake(8, 7, 32, 32)] autorelease];
2739         [folder setImage:[UIImage applicationImageNamed:@"folder.png"]];
2740
2741         [self addSubview:folder];
2742         [self addSubview:name_];
2743         [self addSubview:count_];
2744
2745         [self _setSelected:0];
2746
2747         CFRelease(small);
2748         CFRelease(bold);
2749     } return self;
2750 }
2751
2752 - (void) setSection:(Section *)section {
2753     if (section == nil) {
2754         [name_ setText:@"All Packages"];
2755         [count_ setText:nil];
2756     } else {
2757         NSString *name = [section name];
2758         [name_ setText:(name == nil ? @"(No Section)" : name)];
2759         [count_ setText:[NSString stringWithFormat:@"%d", [section count]]];
2760     }
2761 }
2762
2763 - (void) _setSelected:(float)fraction {
2764     CGColor black(space_,
2765         Interpolate(0.0, 1.0, fraction),
2766         Interpolate(0.0, 1.0, fraction),
2767         Interpolate(0.0, 1.0, fraction),
2768     1.0);
2769
2770     [name_ setColor:black];
2771 }
2772
2773 - (void) setSelected:(BOOL)selected {
2774     [self _setSelected:(selected ? 1.0 : 0.0)];
2775     [super setSelected:selected];
2776 }
2777
2778 - (void) setSelected:(BOOL)selected withFade:(BOOL)fade {
2779     if (!fade)
2780         [self _setSelected:(selected ? 1.0 : 0.0)];
2781     [super setSelected:selected withFade:fade];
2782 }
2783
2784 - (void) _setSelectionFadeFraction:(float)fraction {
2785     [self _setSelected:fraction];
2786     [super _setSelectionFadeFraction:fraction];
2787 }
2788
2789 @end
2790 /* }}} */
2791
2792 /* File Table {{{ */
2793 @interface FileTable : RVPage {
2794     _transient Database *database_;
2795     Package *package_;
2796     NSString *name_;
2797     NSMutableArray *files_;
2798     UITable *list_;
2799 }
2800
2801 - (id) initWithBook:(RVBook *)book database:(Database *)database;
2802 - (void) setPackage:(Package *)package;
2803
2804 @end
2805
2806 @implementation FileTable
2807
2808 - (void) dealloc {
2809     if (package_ != nil)
2810         [package_ release];
2811     if (name_ != nil)
2812         [name_ release];
2813     [files_ release];
2814     [list_ release];
2815     [super dealloc];
2816 }
2817
2818 - (int) numberOfRowsInTable:(UITable *)table {
2819     return files_ == nil ? 0 : [files_ count];
2820 }
2821
2822 - (float) table:(UITable *)table heightForRow:(int)row {
2823     return 24;
2824 }
2825
2826 - (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col reusing:(UITableCell *)reusing {
2827     if (reusing == nil) {
2828         reusing = [[[UIImageAndTextTableCell alloc] init] autorelease];
2829         GSFontRef font = GSFontCreateWithName("Helvetica", kGSFontTraitNone, 16);
2830         [[(UIImageAndTextTableCell *)reusing titleTextLabel] setFont:font];
2831         CFRelease(font);
2832     }
2833     [(UIImageAndTextTableCell *)reusing setTitle:[files_ objectAtIndex:row]];
2834     return reusing;
2835 }
2836
2837 - (BOOL) table:(UITable *)table canSelectRow:(int)row {
2838     return NO;
2839 }
2840
2841 - (id) initWithBook:(RVBook *)book database:(Database *)database {
2842     if ((self = [super initWithBook:book]) != nil) {
2843         database_ = database;
2844
2845         files_ = [[NSMutableArray arrayWithCapacity:32] retain];
2846
2847         list_ = [[UITable alloc] initWithFrame:[self bounds]];
2848         [self addSubview:list_];
2849
2850         UITableColumn *column = [[[UITableColumn alloc]
2851             initWithTitle:@"Name"
2852             identifier:@"name"
2853             width:[self frame].size.width
2854         ] autorelease];
2855
2856         [list_ setDataSource:self];
2857         [list_ setSeparatorStyle:1];
2858         [list_ addTableColumn:column];
2859         [list_ setDelegate:self];
2860         [list_ setReusesTableCells:YES];
2861     } return self;
2862 }
2863
2864 - (void) setPackage:(Package *)package {
2865     if (package_ != nil) {
2866         [package_ autorelease];
2867         package_ = nil;
2868     }
2869
2870     if (name_ != nil) {
2871         [name_ release];
2872         name_ = nil;
2873     }
2874
2875     [files_ removeAllObjects];
2876
2877     if (package != nil) {
2878         package_ = [package retain];
2879         name_ = [[package id] retain];
2880
2881         NSString *path = [NSString stringWithFormat:@"/var/lib/dpkg/info/%@.list", name_];
2882
2883         {
2884             std::ifstream fin([path UTF8String]);
2885             std::string line;
2886             while (std::getline(fin, line))
2887                 [files_ addObject:[NSString stringWithUTF8String:line.c_str()]];
2888         }
2889
2890         if ([files_ count] != 0) {
2891             if ([[files_ objectAtIndex:0] isEqualToString:@"/."])
2892                 [files_ removeObjectAtIndex:0];
2893             [files_ sortUsingSelector:@selector(compareByPath:)];
2894
2895             NSMutableArray *stack = [NSMutableArray arrayWithCapacity:8];
2896             [stack addObject:@"/"];
2897
2898             for (int i(0), e([files_ count]); i != e; ++i) {
2899                 NSString *file = [files_ objectAtIndex:i];
2900                 while (![file hasPrefix:[stack lastObject]])
2901                     [stack removeLastObject];
2902                 NSString *directory = [stack lastObject];
2903                 [stack addObject:[file stringByAppendingString:@"/"]];
2904                 [files_ replaceObjectAtIndex:i withObject:[NSString stringWithFormat:@"%*s%@",
2905                     ([stack count] - 2) * 3, "",
2906                     [file substringFromIndex:[directory length]]
2907                 ]];
2908             }
2909         }
2910     }
2911
2912     [list_ reloadData];
2913 }
2914
2915 - (void) resetViewAnimated:(BOOL)animated {
2916     [list_ resetViewAnimated:animated];
2917 }
2918
2919 - (void) reloadData {
2920     [self setPackage:[database_ packageWithName:name_]];
2921     [self reloadButtons];
2922 }
2923
2924 - (NSString *) title {
2925     return @"Installed Files";
2926 }
2927
2928 - (NSString *) backButtonTitle {
2929     return @"Files";
2930 }
2931
2932 @end
2933 /* }}} */
2934 /* Package View {{{ */
2935 @protocol PackageViewDelegate
2936 - (void) performPackage:(Package *)package;
2937 @end
2938
2939 @interface PackageView : RVPage {
2940     _transient Database *database_;
2941     UIPreferencesTable *table_;
2942     Package *package_;
2943     NSString *name_;
2944     UITextView *description_;
2945     NSMutableArray *buttons_;
2946 }
2947
2948 - (id) initWithBook:(RVBook *)book database:(Database *)database;
2949 - (void) setPackage:(Package *)package;
2950
2951 @end
2952
2953 @implementation PackageView
2954
2955 - (void) dealloc {
2956     [table_ setDataSource:nil];
2957     [table_ setDelegate:nil];
2958
2959     if (package_ != nil)
2960         [package_ release];
2961     if (name_ != nil)
2962         [name_ release];
2963     if (description_ != nil)
2964         [description_ release];
2965     [table_ release];
2966     [buttons_ release];
2967     [super dealloc];
2968 }
2969
2970 - (int) numberOfGroupsInPreferencesTable:(UIPreferencesTable *)table {
2971     int number = 2;
2972     if ([package_ installed] != nil)
2973         ++number;
2974     if ([package_ source] != nil)
2975         ++number;
2976     return number;
2977 }
2978
2979 - (NSString *) preferencesTable:(UIPreferencesTable *)table titleForGroup:(int)group {
2980     if (group-- == 0)
2981         return nil;
2982     else if ([package_ installed] != nil && group-- == 0)
2983         return @"Installed Package";
2984     else if (group-- == 0)
2985         return @"Package Details";
2986     else if ([package_ source] != nil && group-- == 0)
2987         return @"Source Information";
2988     else _assert(false);
2989 }
2990
2991 - (float) preferencesTable:(UIPreferencesTable *)table heightForRow:(int)row inGroup:(int)group withProposedHeight:(float)proposed {
2992     if (description_ == nil || group != 0 || row != 1)
2993         return proposed;
2994     else
2995         return [description_ visibleTextRect].size.height + TextViewOffset_;
2996 }
2997
2998 - (int) preferencesTable:(UIPreferencesTable *)table numberOfRowsInGroup:(int)group {
2999     if (group-- == 0) {
3000         int number = 1;
3001         if ([package_ author] != nil)
3002             ++number;
3003         if (description_ != nil)
3004             ++number;
3005         if ([package_ website] != nil)
3006             ++number;
3007         return number;
3008     } else if ([package_ installed] != nil && group-- == 0)
3009         return 2;
3010     else if (group-- == 0) {
3011         int number = 2;
3012         if ([package_ size] != 0)
3013             ++number;
3014         if ([package_ maintainer] != nil)
3015             ++number;
3016         if ([package_ sponsor] != nil)
3017             ++number;
3018         if ([package_ relationships] != nil)
3019             ++number;
3020         if ([[package_ source] trusted])
3021             ++number;
3022         return number;
3023     } else if ([package_ source] != nil && group-- == 0) {
3024         Source *source = [package_ source];
3025         NSString *description = [source description];
3026         int number = 1;
3027         if (description != nil && ![description isEqualToString:[source label]])
3028             ++number;
3029         if ([source origin] != nil)
3030             ++number;
3031         return number;
3032     } else _assert(false);
3033 }
3034
3035 - (UIPreferencesTableCell *) preferencesTable:(UIPreferencesTable *)table cellForRow:(int)row inGroup:(int)group {
3036     UIPreferencesTableCell *cell = [[[UIPreferencesTableCell alloc] init] autorelease];
3037     [cell setShowSelection:NO];
3038
3039     if (group-- == 0) {
3040         if (false) {
3041         } else if (row-- == 0) {
3042             [cell setTitle:[package_ name]];
3043             [cell setValue:[package_ latest]];
3044         } else if ([package_ author] != nil && row-- == 0) {
3045             [cell setTitle:@"Author"];
3046             [cell setValue:[[package_ author] name]];
3047             [cell setShowDisclosure:YES];
3048             [cell setShowSelection:YES];
3049         } else if (description_ != nil && row-- == 0) {
3050             [cell addSubview:description_];
3051         } else if ([package_ website] != nil && row-- == 0) {
3052             [cell setTitle:@"More Information"];
3053             [cell setShowDisclosure:YES];
3054             [cell setShowSelection:YES];
3055         } else _assert(false);
3056     } else if ([package_ installed] != nil && group-- == 0) {
3057         if (false) {
3058         } else if (row-- == 0) {
3059             [cell setTitle:@"Version"];
3060             NSString *installed([package_ installed]);
3061             [cell setValue:(installed == nil ? @"n/a" : installed)];
3062         } else if (row-- == 0) {
3063             [cell setTitle:@"Filesystem Content"];
3064             [cell setShowDisclosure:YES];
3065             [cell setShowSelection:YES];
3066         } else _assert(false);
3067     } else if (group-- == 0) {
3068         if (false) {
3069         } else if (row-- == 0) {
3070             [cell setTitle:@"Identifier"];
3071             [cell setValue:[package_ id]];
3072         } else if (row-- == 0) {
3073             [cell setTitle:@"Section"];
3074             NSString *section([package_ section]);
3075             [cell setValue:(section == nil ? @"n/a" : section)];
3076         } else if ([package_ size] != 0 && row-- == 0) {
3077             [cell setTitle:@"Expanded Size"];
3078             [cell setValue:SizeString([package_ size])];
3079         } else if ([package_ maintainer] != nil && row-- == 0) {
3080             [cell setTitle:@"Maintainer"];
3081             [cell setValue:[[package_ maintainer] name]];
3082             [cell setShowDisclosure:YES];
3083             [cell setShowSelection:YES];
3084         } else if ([package_ sponsor] != nil && row-- == 0) {
3085             [cell setTitle:@"Sponsor"];
3086             [cell setValue:[[package_ sponsor] name]];
3087             [cell setShowDisclosure:YES];
3088             [cell setShowSelection:YES];
3089         } else if ([package_ relationships] != nil && row-- == 0) {
3090             [cell setTitle:@"Package Relationships"];
3091             [cell setShowDisclosure:YES];
3092             [cell setShowSelection:YES];
3093         } else if ([[package_ source] trusted] && row-- == 0) {
3094             [cell setIcon:[UIImage applicationImageNamed:@"trusted.png"]];
3095             [cell setValue:@"This package has been signed."];
3096         } else _assert(false);
3097     } else if ([package_ source] != nil && group-- == 0) {
3098         Source *source = [package_ source];
3099         NSString *description = [source description];
3100
3101         if (false) {
3102         } else if (row-- == 0) {
3103             NSString *label = [source label];
3104             if (label == nil)
3105                 label = [source uri];
3106             [cell setTitle:label];
3107             [cell setValue:[source version]];
3108         } else if (description != nil && ![description isEqualToString:[source label]] && row-- == 0) {
3109             [cell setValue:description];
3110         } else if ([source origin] != nil && row-- == 0) {
3111             [cell setTitle:@"Origin"];
3112             [cell setValue:[source origin]];
3113         } else _assert(false);
3114     } else _assert(false);
3115
3116     return cell;
3117 }
3118
3119 - (BOOL) canSelectRow:(int)row {
3120     return YES;
3121 }
3122
3123 - (void) tableRowSelected:(NSNotification *)notification {
3124     int row = [table_ selectedRow];
3125     if (row == INT_MAX)
3126         return;
3127
3128     #define _else else goto _label; return; } _label:
3129
3130     if (true) {
3131         if (row-- == 0) {
3132         } else if (row-- == 0) {
3133         } else if ([package_ author] != nil && row-- == 0) {
3134             [delegate_ openURL:[NSURL URLWithString:[NSString stringWithFormat:@"mailto:%@?subject=%@",
3135                 [[package_ author] email],
3136                 [[NSString stringWithFormat:@"regarding apt package \"%@\"",
3137                     [package_ name]
3138                 ] stringByAddingPercentEscapes]
3139             ]]];
3140         } else if (description_ != nil && row-- == 0) {
3141         } else if ([package_ website] != nil && row-- == 0) {
3142             NSURL *url = [NSURL URLWithString:[package_ website]];
3143             BrowserView *browser = [[[BrowserView alloc] initWithBook:book_ database:database_] autorelease];
3144             [browser setDelegate:delegate_];
3145             [book_ pushPage:browser];
3146             [browser loadURL:url];
3147     } _else if ([package_ installed] != nil) {
3148         if (row-- == 0) {
3149         } else if (row-- == 0) {
3150         } else if (row-- == 0) {
3151             FileTable *files = [[[FileTable alloc] initWithBook:book_ database:database_] autorelease];
3152             [files setDelegate:delegate_];
3153             [files setPackage:package_];
3154             [book_ pushPage:files];
3155     } _else if (true) {
3156         if (row-- == 0) {
3157         } else if (row-- == 0) {
3158         } else if (row-- == 0) {
3159         } else if ([package_ size] != 0 && row-- == 0) {
3160         } else if ([package_ maintainer] != nil && row-- == 0) {
3161             [delegate_ openURL:[NSURL URLWithString:[NSString stringWithFormat:@"mailto:%@?subject=%@",
3162                 [[package_ maintainer] email],
3163                 [[NSString stringWithFormat:@"regarding apt package \"%@\"",
3164                     [package_ name]
3165                 ] stringByAddingPercentEscapes]
3166             ]]];
3167         } else if ([package_ sponsor] != nil && row-- == 0) {
3168             NSURL *url = [NSURL URLWithString:[[package_ sponsor] email]];
3169             BrowserView *browser = [[[BrowserView alloc] initWithBook:book_ database:database_] autorelease];
3170             [browser setDelegate:delegate_];
3171             [book_ pushPage:browser];
3172             [browser loadURL:url];
3173         } else if ([package_ relationships] != nil && row-- == 0) {
3174         } else if ([[package_ source] trusted] && row-- == 0) {
3175     } _else if ([package_ source] != nil) {
3176         Source *source = [package_ source];
3177         NSString *description = [source description];
3178
3179         if (row-- == 0) {
3180         } else if (row-- == 0) {
3181         } else if (description != nil && ![description isEqualToString:[source label]] && row-- == 0) {
3182         } else if ([source origin] != nil && row-- == 0) {
3183     } _else _assert(false);
3184
3185     #undef _else
3186 }
3187
3188 - (void) _clickButtonWithName:(NSString *)name {
3189     if ([name isEqualToString:@"Install"])
3190         [delegate_ installPackage:package_];
3191     else if ([name isEqualToString:@"Reinstall"])
3192         [delegate_ installPackage:package_];
3193     else if ([name isEqualToString:@"Remove"])
3194         [delegate_ removePackage:package_];
3195     else if ([name isEqualToString:@"Upgrade"])
3196         [delegate_ installPackage:package_];
3197     else _assert(false);
3198 }
3199
3200 - (void) alertSheet:(UIAlertSheet *)sheet buttonClicked:(int)button {
3201     int count = [buttons_ count];
3202     _assert(count != 0);
3203     _assert(button <= count + 1);
3204
3205     if (count != button - 1)
3206         [self _clickButtonWithName:[buttons_ objectAtIndex:(button - 1)]];
3207
3208     [sheet dismiss];
3209 }
3210
3211 - (void) _rightButtonClicked {
3212     int count = [buttons_ count];
3213     _assert(count != 0);
3214
3215     if (count == 1)
3216         [self _clickButtonWithName:[buttons_ objectAtIndex:0]];
3217     else {
3218         NSMutableArray *buttons = [NSMutableArray arrayWithCapacity:(count + 1)];
3219         [buttons addObjectsFromArray:buttons_];
3220         [buttons addObject:@"Cancel"];
3221
3222         [delegate_ slideUp:[[[UIAlertSheet alloc]
3223             initWithTitle:nil
3224             buttons:buttons
3225             defaultButtonIndex:2
3226             delegate:self
3227             context:@"manage"
3228         ] autorelease]];
3229     }
3230 }
3231
3232 - (NSString *) rightButtonTitle {
3233     int count = [buttons_ count];
3234     return count == 0 ? nil : count != 1 ? @"Modify" : [buttons_ objectAtIndex:0];
3235 }
3236
3237 - (NSString *) title {
3238     return @"Details";
3239 }
3240
3241 - (id) initWithBook:(RVBook *)book database:(Database *)database {
3242     if ((self = [super initWithBook:book]) != nil) {
3243         database_ = database;
3244
3245         table_ = [[UIPreferencesTable alloc] initWithFrame:[self bounds]];
3246         [self addSubview:table_];
3247
3248         [table_ setDataSource:self];
3249         [table_ setDelegate:self];
3250
3251         buttons_ = [[NSMutableArray alloc] initWithCapacity:4];
3252     } return self;
3253 }
3254
3255 - (void) setPackage:(Package *)package {
3256     if (package_ != nil) {
3257         [package_ autorelease];
3258         package_ = nil;
3259     }
3260
3261     if (name_ != nil) {
3262         [name_ release];
3263         name_ = nil;
3264     }
3265
3266     if (description_ != nil) {
3267         [description_ release];
3268         description_ = nil;
3269     }
3270
3271     [buttons_ removeAllObjects];
3272
3273     if (package != nil) {
3274         package_ = [package retain];
3275         name_ = [[package id] retain];
3276
3277         NSString *description([package description]);
3278         if (description == nil)
3279             description = [package tagline];
3280         if (description != nil) {
3281             description_ = [GetTextView(description, 12, true) retain];
3282             [description_ setTextColor:Black_];
3283         }
3284
3285         [table_ reloadData];
3286
3287         if ([package_ source] == nil);
3288         else if ([package_ upgradableAndEssential:NO])
3289             [buttons_ addObject:@"Upgrade"];
3290         else if ([package_ installed] == nil)
3291             [buttons_ addObject:@"Install"];
3292         else
3293             [buttons_ addObject:@"Reinstall"];
3294         if ([package_ installed] != nil)
3295             [buttons_ addObject:@"Remove"];
3296     }
3297 }
3298
3299 - (void) resetViewAnimated:(BOOL)animated {
3300     [table_ resetViewAnimated:animated];
3301 }
3302
3303 - (void) reloadData {
3304     [self setPackage:[database_ packageWithName:name_]];
3305     [self reloadButtons];
3306 }
3307
3308 @end
3309 /* }}} */
3310 /* Package Table {{{ */
3311 @interface PackageTable : RVPage {
3312     _transient Database *database_;
3313     NSString *title_;
3314     SEL filter_;
3315     id object_;
3316     NSMutableArray *packages_;
3317     NSMutableArray *sections_;
3318     UISectionList *list_;
3319 }
3320
3321 - (id) initWithBook:(RVBook *)book database:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object;
3322
3323 - (void) setDelegate:(id)delegate;
3324 - (void) setObject:(id)object;
3325
3326 - (void) reloadData;
3327 - (void) resetCursor;
3328
3329 - (UISectionList *) list;
3330
3331 - (void) setShouldHideHeaderInShortLists:(BOOL)hide;
3332
3333 @end
3334
3335 @implementation PackageTable
3336
3337 - (void) dealloc {
3338     [list_ setDataSource:nil];
3339
3340     [title_ release];
3341     if (object_ != nil)
3342         [object_ release];
3343     [packages_ release];
3344     [sections_ release];
3345     [list_ release];
3346     [super dealloc];
3347 }
3348
3349 - (int) numberOfSectionsInSectionList:(UISectionList *)list {
3350     return [sections_ count];
3351 }
3352
3353 - (NSString *) sectionList:(UISectionList *)list titleForSection:(int)section {
3354     return [[sections_ objectAtIndex:section] name];
3355 }
3356
3357 - (int) sectionList:(UISectionList *)list rowForSection:(int)section {
3358     return [[sections_ objectAtIndex:section] row];
3359 }
3360
3361 - (int) numberOfRowsInTable:(UITable *)table {
3362     return [packages_ count];
3363 }
3364
3365 - (float) table:(UITable *)table heightForRow:(int)row {
3366     return [PackageCell heightForPackage:[packages_ objectAtIndex:row]];
3367 }
3368
3369 - (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col reusing:(UITableCell *)reusing {
3370     if (reusing == nil)
3371         reusing = [[[PackageCell alloc] init] autorelease];
3372     [(PackageCell *)reusing setPackage:[packages_ objectAtIndex:row]];
3373     return reusing;
3374 }
3375
3376 - (BOOL) table:(UITable *)table showDisclosureForRow:(int)row {
3377     return NO;
3378 }
3379
3380 - (void) tableRowSelected:(NSNotification *)notification {
3381     int row = [[notification object] selectedRow];
3382     if (row == INT_MAX)
3383         return;
3384
3385     Package *package = [packages_ objectAtIndex:row];
3386     PackageView *view = [[[PackageView alloc] initWithBook:book_ database:database_] autorelease];
3387     [view setDelegate:delegate_];
3388     [view setPackage:package];
3389     [book_ pushPage:view];
3390 }
3391
3392 - (id) initWithBook:(RVBook *)book database:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object {
3393     if ((self = [super initWithBook:book]) != nil) {
3394         database_ = database;
3395         title_ = [title retain];
3396         filter_ = filter;
3397         object_ = object == nil ? nil : [object retain];
3398
3399         packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
3400         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
3401
3402         list_ = [[UISectionList alloc] initWithFrame:[self bounds] showSectionIndex:YES];
3403         [list_ setDataSource:self];
3404
3405         UITableColumn *column = [[[UITableColumn alloc]
3406             initWithTitle:@"Name"
3407             identifier:@"name"
3408             width:[self frame].size.width
3409         ] autorelease];
3410
3411         UITable *table = [list_ table];
3412         [table setSeparatorStyle:1];
3413         [table addTableColumn:column];
3414         [table setDelegate:self];
3415         [table setReusesTableCells:YES];
3416
3417         [self addSubview:list_];
3418         [self reloadData];
3419     } return self;
3420 }
3421
3422 - (void) setDelegate:(id)delegate {
3423     delegate_ = delegate;
3424 }
3425
3426 - (void) setObject:(id)object {
3427     if (object_ != nil)
3428         [object_ release];
3429     if (object == nil)
3430         object_ = nil;
3431     else
3432         object_ = [object retain];
3433 }
3434
3435 - (void) reloadData {
3436     NSArray *packages = [database_ packages];
3437
3438     [packages_ removeAllObjects];
3439     [sections_ removeAllObjects];
3440
3441     for (size_t i(0); i != [packages count]; ++i) {
3442         Package *package([packages objectAtIndex:i]);
3443         if ([[package performSelector:filter_ withObject:object_] boolValue])
3444             [packages_ addObject:package];
3445     }
3446
3447     Section *section = nil;
3448
3449     for (size_t offset(0); offset != [packages_ count]; ++offset) {
3450         Package *package = [packages_ objectAtIndex:offset];
3451         NSString *name = [package index];
3452
3453         if (section == nil || ![[section name] isEqualToString:name]) {
3454             section = [[[Section alloc] initWithName:name row:offset] autorelease];
3455             [sections_ addObject:section];
3456         }
3457
3458         [section addToCount];
3459     }
3460
3461     [list_ reloadData];
3462 }
3463
3464 - (NSString *) title {
3465     return title_;
3466 }
3467
3468 - (void) resetViewAnimated:(BOOL)animated {
3469     [list_ resetViewAnimated:animated];
3470 }
3471
3472 - (void) resetCursor {
3473     [[list_ table] scrollPointVisibleAtTopLeft:CGPointMake(0, 0) animated:NO];
3474 }
3475
3476 - (UISectionList *) list {
3477     return list_;
3478 }
3479
3480 - (void) setShouldHideHeaderInShortLists:(BOOL)hide {
3481     [list_ setShouldHideHeaderInShortLists:hide];
3482 }
3483
3484 @end
3485 /* }}} */
3486
3487 /* Browser Implementation {{{ */
3488 @implementation BrowserView
3489
3490 - (void) dealloc {
3491     WebView *webview = [webview_ webView];
3492     [webview setFrameLoadDelegate:nil];
3493     [webview setResourceLoadDelegate:nil];
3494     [webview setUIDelegate:nil];
3495
3496     [scroller_ setDelegate:nil];
3497     [webview_ setDelegate:nil];
3498
3499     [scroller_ release];
3500     [webview_ release];
3501     [urls_ release];
3502     [indicator_ release];
3503     if (title_ != nil)
3504         [title_ release];
3505     [super dealloc];
3506 }
3507
3508 - (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
3509     NSMutableURLRequest *request = [NSMutableURLRequest
3510         requestWithURL:url
3511         cachePolicy:policy
3512         timeoutInterval:30.0
3513     ];
3514
3515     [request addValue:[NSString stringWithUTF8String:Firmware_] forHTTPHeaderField:@"X-Firmware"];
3516     [request addValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
3517     [request addValue:[NSString stringWithUTF8String:SerialNumber_] forHTTPHeaderField:@"X-Serial-Number"];
3518
3519     [self loadRequest:request];
3520 }
3521
3522
3523 - (void) loadURL:(NSURL *)url {
3524     [self loadURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy];
3525 }
3526
3527 // XXX: this needs to add the headers
3528 - (NSURLRequest *) _addHeadersToRequest:(NSURLRequest *)request {
3529     return request;
3530 }
3531
3532 - (void) loadRequest:(NSURLRequest *)request {
3533     pushed_ = true;
3534     [webview_ loadRequest:request];
3535 }
3536
3537 - (void) reloadURL {
3538     NSURL *url = [[[urls_ lastObject] retain] autorelease];
3539     [urls_ removeLastObject];
3540     [self loadURL:url cachePolicy:NSURLRequestReloadIgnoringCacheData];
3541 }
3542
3543 - (WebView *) webView {
3544     return [webview_ webView];
3545 }
3546
3547 - (void) view:(UIView *)sender didSetFrame:(CGRect)frame {
3548     [scroller_ setContentSize:frame.size];
3549 }
3550
3551 - (void) view:(UIView *)sender didSetFrame:(CGRect)frame oldFrame:(CGRect)old {
3552     [self view:sender didSetFrame:frame];
3553 }
3554
3555 - (void) getAppTapp:(NSString *)href {
3556     if ([href hasPrefix:@"apptapp://package/"]) {
3557         NSString *name = [href substringFromIndex:18];
3558         Package *package = [database_ packageWithName:name];
3559         if (package == nil) {
3560             UIAlertSheet *sheet = [[[UIAlertSheet alloc]
3561                 initWithTitle:@"Cannot Locate Package"
3562                 buttons:[NSArray arrayWithObjects:@"Close", nil]
3563                 defaultButtonIndex:0
3564                 delegate:self
3565                 context:@"missing"
3566             ] autorelease];
3567
3568             [sheet setBodyText:[NSString stringWithFormat:
3569                 @"The package %@ cannot be found in your current sources. I might recommend installing more sources."
3570             , name]];
3571
3572             [sheet popupAlertAnimated:YES];
3573         } else {
3574             [self setBackButtonTitle:title_];
3575             PackageView *view = [[[PackageView alloc] initWithBook:book_ database:database_] autorelease];
3576             [view setDelegate:delegate_];
3577             [view setPackage:package];
3578             [book_ pushPage:view];
3579         }
3580     }
3581 }
3582
3583 - (void) webView:(WebView *)sender willClickElement:(id)element {
3584     if (![element respondsToSelector:@selector(href)])
3585         return;
3586     NSString *href = [element href];
3587     if (href == nil)
3588         return;
3589     if ([href hasPrefix:@"apptapp://package/"])
3590         [self getAppTapp:href];
3591 }
3592
3593 - (NSURLRequest *) webView:(WebView *)sender resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)redirectResponse fromDataSource:(WebDataSource *)dataSource {
3594     if ([[[request URL] scheme] isEqualToString:@"apptapp"]) {
3595         [self getAppTapp:[[request URL] absoluteString]];
3596         return nil;
3597     }
3598
3599     if (!pushed_) {
3600         pushed_ = true;
3601         [book_ pushPage:self];
3602     }
3603
3604     return [self _addHeadersToRequest:request];
3605 }
3606
3607 - (WebView *) webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request {
3608     if (request != nil && [[[request URL] scheme] isEqualToString:@"apptapp"])
3609         return nil;
3610     else {
3611         [self setBackButtonTitle:title_];
3612
3613         BrowserView *browser = [[[BrowserView alloc] initWithBook:book_ database:database_] autorelease];
3614         [browser setDelegate:delegate_];
3615
3616         if (request != nil) {
3617             [browser loadRequest:[self _addHeadersToRequest:request]];
3618             [book_ pushPage:browser];
3619         }
3620
3621         return [browser webView];
3622     }
3623 }
3624
3625 - (void) webView:(WebView *)sender didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
3626     title_ = [title retain];
3627     [self setTitle:title];
3628 }
3629
3630 - (void) webView:(WebView *)sender didStartProvisionalLoadForFrame:(WebFrame *)frame {
3631     if ([frame parentFrame] != nil)
3632         return;
3633
3634     reloading_ = false;
3635     loading_ = true;
3636     [indicator_ startAnimation];
3637     [self reloadButtons];
3638
3639     if (title_ != nil) {
3640         [title_ release];
3641         title_ = nil;
3642     }
3643
3644     [self setTitle:@"Loading..."];
3645
3646     WebView *webview = [webview_ webView];
3647     NSString *href = [webview mainFrameURL];
3648     [urls_ addObject:[NSURL URLWithString:href]];
3649
3650     CGRect webrect = [scroller_ frame];
3651     webrect.size.height = 0;
3652     [webview_ setFrame:webrect];
3653 }
3654
3655 - (void) _finishLoading {
3656     if (!reloading_) {
3657         loading_ = false;
3658         [indicator_ stopAnimation];
3659         [self reloadButtons];
3660     }
3661 }
3662
3663 - (void) webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame {
3664     if ([frame parentFrame] != nil)
3665         return;
3666     [self _finishLoading];
3667 }
3668
3669 - (void) webView:(WebView *)sender didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
3670     if ([frame parentFrame] != nil)
3671         return;
3672     [self setTitle:[error localizedDescription]];
3673     [self _finishLoading];
3674 }
3675
3676 - (id) initWithBook:(RVBook *)book database:(Database *)database {
3677     if ((self = [super initWithBook:book]) != nil) {
3678         database_ = database;
3679         loading_ = false;
3680
3681         struct CGRect bounds = [self bounds];
3682
3683         UIImageView *pinstripe = [[[UIImageView alloc] initWithFrame:bounds] autorelease];
3684         [pinstripe setImage:[UIImage applicationImageNamed:@"pinstripe.png"]];
3685         [self addSubview:pinstripe];
3686
3687         scroller_ = [[UIScroller alloc] initWithFrame:bounds];
3688         [self addSubview:scroller_];
3689
3690         [scroller_ setScrollingEnabled:YES];
3691         [scroller_ setAdjustForContentSizeChange:YES];
3692         [scroller_ setClipsSubviews:YES];
3693         [scroller_ setAllowsRubberBanding:YES];
3694         [scroller_ setScrollDecelerationFactor:0.99];
3695         [scroller_ setDelegate:self];
3696
3697         CGRect webrect = [scroller_ bounds];
3698         webrect.size.height = 0;
3699
3700         webview_ = [[UIWebView alloc] initWithFrame:webrect];
3701         [scroller_ addSubview:webview_];
3702
3703         [webview_ setTilingEnabled:YES];
3704         [webview_ setTileSize:CGSizeMake(webrect.size.width, 500)];
3705         [webview_ setAutoresizes:YES];
3706         [webview_ setDelegate:self];
3707         //[webview_ setEnabledGestures:2];
3708
3709         CGSize indsize = [UIProgressIndicator defaultSizeForStyle:kUIProgressIndicatorStyleMediumWhite];
3710         indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectMake(281, 42, indsize.width, indsize.height)];
3711         [indicator_ setStyle:kUIProgressIndicatorStyleMediumWhite];
3712
3713         Package *package([database_ packageWithName:@"cydia"]);
3714         NSString *application = package == nil ? @"Cydia" : [NSString
3715             stringWithFormat:@"Cydia/%@",
3716             [package installed]
3717         ];
3718
3719         WebView *webview = [webview_ webView];
3720         [webview setApplicationNameForUserAgent:application];
3721         [webview setFrameLoadDelegate:self];
3722         [webview setResourceLoadDelegate:self];
3723         [webview setUIDelegate:self];
3724
3725         urls_ = [[NSMutableArray alloc] initWithCapacity:16];
3726     } return self;
3727 }
3728
3729 - (void) alertSheet:(UIAlertSheet *)sheet buttonClicked:(int)button {
3730     [sheet dismiss];
3731 }
3732
3733 - (void) _leftButtonClicked {
3734     UIAlertSheet *sheet = [[[UIAlertSheet alloc]
3735         initWithTitle:@"About Cydia Installer"
3736         buttons:[NSArray arrayWithObjects:@"Close", nil]
3737         defaultButtonIndex:0
3738         delegate:self
3739         context:@"about"
3740     ] autorelease];
3741
3742     [sheet setBodyText:
3743         @"Copyright (C) 2008\n"
3744         "Jay Freeman (saurik)\n"
3745         "saurik@saurik.com\n"
3746         "http://www.saurik.com/\n"
3747         "\n"
3748         "The Okori Group\n"
3749         "http://www.theokorigroup.com/\n"
3750         "\n"
3751         "College of Creative Studies,\n"
3752         "University of California,\n"
3753         "Santa Barbara\n"
3754         "http://www.ccs.ucsb.edu/"
3755     ];
3756
3757     [sheet popupAlertAnimated:YES];
3758 }
3759
3760 - (void) _rightButtonClicked {
3761     reloading_ = true;
3762     [self reloadURL];
3763 }
3764
3765 - (NSString *) leftButtonTitle {
3766     return @"About";
3767 }
3768
3769 - (NSString *) rightButtonTitle {
3770     return loading_ ? @"" : @"Reload";
3771 }
3772
3773 - (NSString *) title {
3774     return nil;
3775 }
3776
3777 - (NSString *) backButtonTitle {
3778     return @"Browser";
3779 }
3780
3781 - (void) setPageActive:(BOOL)active {
3782     if (active)
3783         [book_ addSubview:indicator_];
3784     else
3785         [indicator_ removeFromSuperview];
3786 }
3787
3788 - (void) resetViewAnimated:(BOOL)animated {
3789 }
3790
3791 - (void) setPushed:(bool)pushed {
3792     pushed_ = pushed;
3793 }
3794
3795 @end
3796 /* }}} */
3797
3798 @interface CYBook : RVBook <
3799     ProgressDelegate
3800 > {
3801     _transient Database *database_;
3802     UIView *overlay_;
3803     UIProgressIndicator *indicator_;
3804     UITextLabel *prompt_;
3805     UIProgressBar *progress_;
3806     bool updating_;
3807 }
3808
3809 - (id) initWithFrame:(CGRect)frame database:(Database *)database;
3810 - (void) update;
3811 - (BOOL) updating;
3812
3813 @end
3814
3815 /* Source Cell {{{ */
3816 @interface SourceCell : UITableCell {
3817     UITextLabel *description_;
3818     UIRightTextLabel *label_;
3819     UITextLabel *origin_;
3820 }
3821
3822 - (void) dealloc;
3823
3824 - (SourceCell *) initWithSource:(Source *)source;
3825
3826 - (void) _setSelected:(float)fraction;
3827 - (void) setSelected:(BOOL)selected;
3828 - (void) setSelected:(BOOL)selected withFade:(BOOL)fade;
3829 - (void) _setSelectionFadeFraction:(float)fraction;
3830
3831 @end
3832
3833 @implementation SourceCell
3834
3835 - (void) dealloc {
3836     [description_ release];
3837     [label_ release];
3838     [origin_ release];
3839     [super dealloc];
3840 }
3841
3842 - (SourceCell *) initWithSource:(Source *)source {
3843     if ((self = [super init]) != nil) {
3844         GSFontRef bold = GSFontCreateWithName("Helvetica", kGSFontTraitBold, 20);
3845         GSFontRef small = GSFontCreateWithName("Helvetica", kGSFontTraitNone, 14);
3846
3847         CGColorSpaceRef space = CGColorSpaceCreateDeviceRGB();
3848         float clear[] = {0, 0, 0, 0};
3849
3850         NSString *description = [source description];
3851         if (description == nil)
3852             description = [source uri];
3853
3854         description_ = [[UITextLabel alloc] initWithFrame:CGRectMake(12, 7, 270, 25)];
3855         [description_ setBackgroundColor:CGColorCreate(space, clear)];
3856         [description_ setFont:bold];
3857         [description_ setText:description];
3858
3859         NSString *label = [source label];
3860         if (label == nil)
3861             label = [source type];
3862
3863         label_ = [[UIRightTextLabel alloc] initWithFrame:CGRectMake(290, 32, 90, 25)];
3864         [label_ setBackgroundColor:CGColorCreate(space, clear)];
3865         [label_ setFont:small];
3866         [label_ setText:label];
3867
3868         NSString *origin = [source origin];
3869         if (origin == nil)
3870             origin = [source distribution];
3871
3872         origin_ = [[UITextLabel alloc] initWithFrame:CGRectMake(13, 35, 315, 20)];
3873         [origin_ setBackgroundColor:CGColorCreate(space, clear)];
3874         [origin_ setFont:small];
3875         [origin_ setText:origin];
3876
3877         [self addSubview:description_];
3878         [self addSubview:label_];
3879         [self addSubview:origin_];
3880
3881         CFRelease(small);
3882         CFRelease(bold);
3883     } return self;
3884 }
3885
3886 - (void) _setSelected:(float)fraction {
3887     CGColorSpaceRef space = CGColorSpaceCreateDeviceRGB();
3888
3889     float black[] = {
3890         Interpolate(0.0, 1.0, fraction),
3891         Interpolate(0.0, 1.0, fraction),
3892         Interpolate(0.0, 1.0, fraction),
3893     1.0};
3894
3895     float blue[] = {
3896         Interpolate(0.2, 1.0, fraction),
3897         Interpolate(0.2, 1.0, fraction),
3898         Interpolate(1.0, 1.0, fraction),
3899     1.0};
3900
3901     float gray[] = {
3902         Interpolate(0.4, 1.0, fraction),
3903         Interpolate(0.4, 1.0, fraction),
3904         Interpolate(0.4, 1.0, fraction),
3905     1.0};
3906
3907     [description_ setColor:CGColorCreate(space, black)];
3908     [label_ setColor:CGColorCreate(space, blue)];
3909     [origin_ setColor:CGColorCreate(space, gray)];
3910 }
3911
3912 - (void) setSelected:(BOOL)selected {
3913     [self _setSelected:(selected ? 1.0 : 0.0)];
3914     [super setSelected:selected];
3915 }
3916
3917 - (void) setSelected:(BOOL)selected withFade:(BOOL)fade {
3918     if (!fade)
3919         [self _setSelected:(selected ? 1.0 : 0.0)];
3920     [super setSelected:selected withFade:fade];
3921 }
3922
3923 - (void) _setSelectionFadeFraction:(float)fraction {
3924     [self _setSelected:fraction];
3925     [super _setSelectionFadeFraction:fraction];
3926 }
3927
3928 @end
3929 /* }}} */
3930 /* Source Table {{{ */
3931 @interface SourceTable : RVPage {
3932     _transient Database *database_;
3933     UISectionList *list_;
3934     NSMutableArray *sources_;
3935     UIAlertSheet *alert_;
3936 }
3937
3938 - (id) initWithBook:(RVBook *)book database:(Database *)database;
3939
3940 @end
3941
3942 @implementation SourceTable
3943
3944 - (void) dealloc {
3945     [list_ setDataSource:nil];
3946
3947     if (sources_ != nil)
3948         [sources_ release];
3949     [list_ release];
3950     [super dealloc];
3951 }
3952
3953 - (int) numberOfSectionsInSectionList:(UISectionList *)list {
3954     return 1;
3955 }
3956
3957 - (NSString *) sectionList:(UISectionList *)list titleForSection:(int)section {
3958     return @"Sources";
3959 }
3960
3961 - (int) sectionList:(UISectionList *)list rowForSection:(int)section {
3962     return 0;
3963 }
3964
3965 - (int) numberOfRowsInTable:(UITable *)table {
3966     return [sources_ count];
3967 }
3968
3969 - (float) table:(UITable *)table heightForRow:(int)row {
3970     return 64;
3971 }
3972
3973 - (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col {
3974     return [[[SourceCell alloc] initWithSource:[sources_ objectAtIndex:row]] autorelease];
3975 }
3976
3977 - (BOOL) table:(UITable *)table showDisclosureForRow:(int)row {
3978     return NO;
3979 }
3980
3981 - (void) tableRowSelected:(NSNotification*)notification {
3982     UITable *table([list_ table]);
3983     int row([table selectedRow]);
3984     if (row == INT_MAX)
3985         return;
3986
3987     [table selectRow:-1 byExtendingSelection:NO withFade:YES];
3988 }
3989
3990 - (id) initWithBook:(RVBook *)book database:(Database *)database {
3991     if ((self = [super initWithBook:book]) != nil) {
3992         database_ = database;
3993         sources_ = nil;
3994
3995         list_ = [[UISectionList alloc] initWithFrame:[self bounds]];
3996
3997         [self addSubview:list_];
3998
3999         [list_ setDataSource:self];
4000         [list_ setShouldHideHeaderInShortLists:NO];
4001
4002         UITableColumn *column = [[UITableColumn alloc]
4003             initWithTitle:@"Name"
4004             identifier:@"name"
4005             width:[self frame].size.width
4006         ];
4007
4008         UITable *table = [list_ table];
4009         [table setSeparatorStyle:1];
4010         [table addTableColumn:column];
4011         [table setDelegate:self];
4012     } return self;
4013 }
4014
4015 - (void) reloadData {
4016     pkgSourceList list;
4017     _assert(list.ReadMainList());
4018
4019     if (sources_ != nil)
4020         [sources_ release];
4021
4022     sources_ = [[NSMutableArray arrayWithCapacity:16] retain];
4023     for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
4024         [sources_ addObject:[[[Source alloc] initWithMetaIndex:*source] autorelease]];
4025
4026     [list_ reloadData];
4027 }
4028
4029 - (void) resetViewAnimated:(BOOL)animated {
4030     [list_ resetViewAnimated:animated];
4031 }
4032
4033 - (NSString *) leftTitle {
4034     return @"Refresh All";
4035 }
4036
4037 - (NSString *) rightTitle {
4038     return @"Edit";
4039 }
4040
4041 @end
4042 /* }}} */
4043
4044 /* Install View {{{ */
4045 @interface InstallView : RVPage {
4046     _transient Database *database_;
4047     NSMutableArray *packages_;
4048     NSMutableArray *sections_;
4049     UITable *list_;
4050     UIView *accessory_;
4051 }
4052
4053 - (id) initWithBook:(RVBook *)book database:(Database *)database;
4054 - (void) reloadData;
4055
4056 @end
4057
4058 @implementation InstallView
4059
4060 - (void) dealloc {
4061     [list_ setDataSource:nil];
4062     [list_ setDelegate:nil];
4063
4064     [packages_ release];
4065     [sections_ release];
4066     [list_ release];
4067     [accessory_ release];
4068     [super dealloc];
4069 }
4070
4071 - (int) numberOfRowsInTable:(UITable *)table {
4072     return [sections_ count] + 1;
4073 }
4074
4075 - (float) table:(UITable *)table heightForRow:(int)row {
4076     return 45;
4077 }
4078
4079 - (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col reusing:(UITableCell *)reusing {
4080     if (reusing == nil)
4081         reusing = [[[SectionCell alloc] init] autorelease];
4082     [(SectionCell *)reusing setSection:(row == 0 ? nil : [sections_ objectAtIndex:(row - 1)])];
4083     return reusing;
4084 }
4085
4086 - (BOOL) table:(UITable *)table showDisclosureForRow:(int)row {
4087     return YES;
4088 }
4089
4090 - (void) tableRowSelected:(NSNotification *)notification {
4091     int row = [[notification object] selectedRow];
4092     if (row == INT_MAX)
4093         return;
4094
4095     Section *section;
4096     NSString *name;
4097     NSString *title;
4098
4099     if (row == 0) {
4100         section = nil;
4101         name = nil;
4102         title = @"All Packages";
4103     } else {
4104         section = [sections_ objectAtIndex:(row - 1)];
4105         name = [section name];
4106
4107         if (name != nil)
4108             title = name;
4109         else {
4110             name = @"";
4111             title = @"(No Section)";
4112         }
4113     }
4114
4115     PackageTable *table = [[[PackageTable alloc]
4116         initWithBook:book_
4117         database:database_
4118         title:title
4119         filter:@selector(isUninstalledInSection:)
4120         with:name
4121     ] autorelease];
4122
4123     [table setDelegate:delegate_];
4124
4125     [book_ pushPage:table];
4126 }
4127
4128 - (id) initWithBook:(RVBook *)book database:(Database *)database {
4129     if ((self = [super initWithBook:book]) != nil) {
4130         database_ = database;
4131
4132         packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
4133         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
4134
4135         list_ = [[UITable alloc] initWithFrame:[self bounds]];
4136         [self addSubview:list_];
4137
4138         UITableColumn *column = [[[UITableColumn alloc]
4139             initWithTitle:@"Name"
4140             identifier:@"name"
4141             width:[self frame].size.width
4142         ] autorelease];
4143
4144         [list_ setDataSource:self];
4145         [list_ setSeparatorStyle:1];
4146         [list_ addTableColumn:column];
4147         [list_ setDelegate:self];
4148         [list_ setReusesTableCells:YES];
4149
4150         [self reloadData];
4151     } return self;
4152 }
4153
4154 - (void) reloadData {
4155     NSArray *packages = [database_ packages];
4156
4157     [packages_ removeAllObjects];
4158     [sections_ removeAllObjects];
4159
4160     for (size_t i(0); i != [packages count]; ++i) {
4161         Package *package([packages objectAtIndex:i]);
4162         if ([package valid] && [package installed] == nil)
4163             [packages_ addObject:package];
4164     }
4165
4166     [packages_ sortUsingSelector:@selector(compareBySection:)];
4167
4168     Section *section = nil;
4169     for (size_t offset = 0, count = [packages_ count]; offset != count; ++offset) {
4170         Package *package = [packages_ objectAtIndex:offset];
4171         NSString *name = [package section];
4172
4173         if (section == nil || name != nil && ![[section name] isEqualToString:name]) {
4174             section = [[[Section alloc] initWithName:name row:offset] autorelease];
4175             [sections_ addObject:section];
4176         }
4177
4178         [section addToCount];
4179     }
4180
4181     [list_ reloadData];
4182 }
4183
4184 - (void) resetViewAnimated:(BOOL)animated {
4185     [list_ resetViewAnimated:animated];
4186 }
4187
4188 - (NSString *) title {
4189     return @"Install";
4190 }
4191
4192 - (NSString *) backButtonTitle {
4193     return @"Sections";
4194 }
4195
4196 - (UIView *) accessoryView {
4197     return accessory_;
4198 }
4199
4200 @end
4201 /* }}} */
4202 /* Changes View {{{ */
4203 @interface ChangesView : RVPage {
4204     _transient Database *database_;
4205     NSMutableArray *packages_;
4206     NSMutableArray *sections_;
4207     UISectionList *list_;
4208     unsigned upgrades_;
4209 }
4210
4211 - (id) initWithBook:(RVBook *)book database:(Database *)database;
4212 - (void) reloadData;
4213
4214 @end
4215
4216 @implementation ChangesView
4217
4218 - (void) dealloc {
4219     [[list_ table] setDelegate:nil];
4220     [list_ setDataSource:nil];
4221
4222     [packages_ release];
4223     [sections_ release];
4224     [list_ release];
4225     [super dealloc];
4226 }
4227
4228 - (int) numberOfSectionsInSectionList:(UISectionList *)list {
4229     return [sections_ count];
4230 }
4231
4232 - (NSString *) sectionList:(UISectionList *)list titleForSection:(int)section {
4233     return [[sections_ objectAtIndex:section] name];
4234 }
4235
4236 - (int) sectionList:(UISectionList *)list rowForSection:(int)section {
4237     return [[sections_ objectAtIndex:section] row];
4238 }
4239
4240 - (int) numberOfRowsInTable:(UITable *)table {
4241     return [packages_ count];
4242 }
4243
4244 - (float) table:(UITable *)table heightForRow:(int)row {
4245     return [PackageCell heightForPackage:[packages_ objectAtIndex:row]];
4246 }
4247
4248 - (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col reusing:(UITableCell *)reusing {
4249     if (reusing == nil)
4250         reusing = [[[PackageCell alloc] init] autorelease];
4251     [(PackageCell *)reusing setPackage:[packages_ objectAtIndex:row]];
4252     return reusing;
4253 }
4254
4255 - (BOOL) table:(UITable *)table showDisclosureForRow:(int)row {
4256     return NO;
4257 }
4258
4259 - (void) tableRowSelected:(NSNotification *)notification {
4260     int row = [[notification object] selectedRow];
4261     if (row == INT_MAX)
4262         return;
4263     Package *package = [packages_ objectAtIndex:row];
4264     PackageView *view = [[[PackageView alloc] initWithBook:book_ database:database_] autorelease];
4265     [view setDelegate:delegate_];
4266     [view setPackage:package];
4267     [book_ pushPage:view];
4268 }
4269
4270 - (void) _leftButtonClicked {
4271     [(CYBook *)book_ update];
4272     [self reloadButtons];
4273 }
4274
4275 - (void) _rightButtonClicked {
4276     [delegate_ distUpgrade];
4277 }
4278
4279 - (id) initWithBook:(RVBook *)book database:(Database *)database {
4280     if ((self = [super initWithBook:book]) != nil) {
4281         database_ = database;
4282
4283         packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
4284         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
4285
4286         list_ = [[UISectionList alloc] initWithFrame:[self bounds] showSectionIndex:NO];
4287         [self addSubview:list_];
4288
4289         [list_ setShouldHideHeaderInShortLists:NO];
4290         [list_ setDataSource:self];
4291         //[list_ setSectionListStyle:1];
4292
4293         UITableColumn *column = [[[UITableColumn alloc]
4294             initWithTitle:@"Name"
4295             identifier:@"name"
4296             width:[self frame].size.width
4297         ] autorelease];
4298
4299         UITable *table = [list_ table];
4300         [table setSeparatorStyle:1];
4301         [table addTableColumn:column];
4302         [table setDelegate:self];
4303         [table setReusesTableCells:YES];
4304
4305         [self reloadData];
4306     } return self;
4307 }
4308
4309 - (void) reloadData {
4310     NSArray *packages = [database_ packages];
4311
4312     [packages_ removeAllObjects];
4313     [sections_ removeAllObjects];
4314
4315     for (size_t i(0); i != [packages count]; ++i) {
4316         Package *package([packages objectAtIndex:i]);
4317         if ([package installed] == nil && [package valid] || [package upgradableAndEssential:NO])
4318             [packages_ addObject:package];
4319     }
4320
4321     [packages_ sortUsingSelector:@selector(compareForChanges:)];
4322
4323     Section *upgradable = [[[Section alloc] initWithName:@"Available Upgrades" row:0] autorelease];
4324     Section *section = nil;
4325
4326     upgrades_ = 0;
4327     bool unseens = false;
4328
4329     CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
4330
4331     for (size_t offset = 0, count = [packages_ count]; offset != count; ++offset) {
4332         Package *package = [packages_ objectAtIndex:offset];
4333
4334         if ([package upgradableAndEssential:YES]) {
4335             ++upgrades_;
4336             [upgradable addToCount];
4337         } else {
4338             unseens = true;
4339             NSDate *seen = [package seen];
4340
4341             NSString *name;
4342
4343             if (seen == nil)
4344                 name = [@"n/a ?" retain];
4345             else {
4346                 name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) seen);
4347             }
4348
4349             if (section == nil || ![[section name] isEqualToString:name]) {
4350                 section = [[[Section alloc] initWithName:name row:offset] autorelease];
4351                 [sections_ addObject:section];
4352             }
4353
4354             [name release];
4355             [section addToCount];
4356         }
4357     }
4358
4359     CFRelease(formatter);
4360
4361     if (unseens) {
4362         Section *last = [sections_ lastObject];
4363         size_t count = [last count];
4364         [packages_ removeObjectsInRange:NSMakeRange([packages_ count] - count, count)];
4365         [sections_ removeLastObject];
4366     }
4367
4368     if (upgrades_ != 0)
4369         [sections_ insertObject:upgradable atIndex:0];
4370
4371     [list_ reloadData];
4372     [self reloadButtons];
4373 }
4374
4375 - (void) resetViewAnimated:(BOOL)animated {
4376     [list_ resetViewAnimated:animated];
4377 }
4378
4379 - (NSString *) leftButtonTitle {
4380     return [(CYBook *)book_ updating] ? nil : @"Refresh";
4381 }
4382
4383 - (NSString *) rightButtonTitle {
4384     return upgrades_ == 0 ? nil : [NSString stringWithFormat:@"Upgrade All (%u)", upgrades_];
4385 }
4386
4387 - (NSString *) title {
4388     return @"Changes";
4389 }
4390
4391 @end
4392 /* }}} */
4393 /* Manage View {{{ */
4394 @interface ManageView : RVPage {
4395     _transient Database *database_;
4396     PackageTable *packages_;
4397     SourceTable *sources_;
4398 }
4399
4400 - (id) initWithBook:(RVBook *)book database:(Database *)database;
4401
4402 @end
4403
4404 @implementation ManageView
4405
4406 - (void) dealloc {
4407     [packages_ release];
4408     [sources_ release];
4409     [super dealloc];
4410 }
4411
4412 - (id) initWithBook:(RVBook *)book database:(Database *)database {
4413     if ((self = [super initWithBook:book]) != nil) {
4414         database_ = database;
4415
4416         packages_ = [[PackageTable alloc]
4417             initWithBook:book
4418             database:database
4419             title:nil
4420             filter:@selector(isInstalledInSection:)
4421             with:nil
4422         ];
4423
4424         sources_ = [[SourceTable alloc]
4425             initWithBook:book
4426             database:database
4427         ];
4428
4429         [self addSubview:packages_];
4430     } return self;
4431 }
4432
4433 - (void) resetViewAnimated:(BOOL)animated {
4434     [packages_ resetViewAnimated:animated];
4435     [sources_ resetViewAnimated:animated];
4436 }
4437
4438 - (void) reloadData {
4439     [packages_ reloadData];
4440     [sources_ reloadData];
4441 }
4442
4443 - (NSString *) title {
4444     return @"Installed Packages";
4445 }
4446
4447 - (NSString *) backButtonTitle {
4448     return @"Packages";
4449 }
4450
4451 - (void) setDelegate:(id)delegate {
4452     [super setDelegate:delegate];
4453     [packages_ setDelegate:delegate];
4454     [sources_ setDelegate:delegate];
4455 }
4456
4457 @end
4458 /* }}} */
4459 /* Search View {{{ */
4460 @protocol SearchViewDelegate
4461 - (void) showKeyboard:(BOOL)show;
4462 @end
4463
4464 @interface SearchView : RVPage {
4465     UIView *accessory_;
4466     UISearchField *field_;
4467     UITransitionView *transition_;
4468     PackageTable *table_;
4469     UIPreferencesTable *advanced_;
4470     UIView *dimmed_;
4471     bool flipped_;
4472     bool reload_;
4473 }
4474
4475 - (id) initWithBook:(RVBook *)book database:(Database *)database;
4476 - (void) reloadData;
4477
4478 @end
4479
4480 @implementation SearchView
4481
4482 - (void) dealloc {
4483 #ifndef __OBJC2__
4484     [[field_ textTraits] setEditingDelegate:nil];
4485 #endif
4486     [field_ setDelegate:nil];
4487
4488     [accessory_ release];
4489     [field_ release];
4490     [transition_ release];
4491     [table_ release];
4492     [advanced_ release];
4493     [dimmed_ release];
4494     [super dealloc];
4495 }
4496
4497 - (int) numberOfGroupsInPreferencesTable:(UIPreferencesTable *)table {
4498     return 1;
4499 }
4500
4501 - (NSString *) preferencesTable:(UIPreferencesTable *)table titleForGroup:(int)group {
4502     switch (group) {
4503         case 0: return @"Advanced Search (Coming Soon!)";
4504
4505         default: _assert(false);
4506     }
4507 }
4508
4509 - (int) preferencesTable:(UIPreferencesTable *)table numberOfRowsInGroup:(int)group {
4510     switch (group) {
4511         case 0: return 0;
4512
4513         default: _assert(false);
4514     }
4515 }
4516
4517 - (void) _showKeyboard:(BOOL)show {
4518     CGSize keysize = [UIKeyboard defaultSize];
4519     CGRect keydown = [book_ pageBounds];
4520     CGRect keyup = keydown;
4521     keyup.size.height -= keysize.height - ButtonBarHeight_;
4522
4523     float delay = KeyboardTime_ * ButtonBarHeight_ / keysize.height;
4524
4525     UIFrameAnimation *animation = [[[UIFrameAnimation alloc] initWithTarget:[table_ list]] autorelease];
4526     [animation setSignificantRectFields:8];
4527
4528     if (show) {
4529         [animation setStartFrame:keydown];
4530         [animation setEndFrame:keyup];
4531     } else {
4532         [animation setStartFrame:keyup];
4533         [animation setEndFrame:keydown];
4534     }
4535
4536     UIAnimator *animator = [UIAnimator sharedAnimator];
4537
4538     [animator
4539         addAnimations:[NSArray arrayWithObjects:animation, nil]
4540         withDuration:(KeyboardTime_ - delay)
4541         start:!show
4542     ];
4543
4544     if (show)
4545         [animator performSelector:@selector(startAnimation:) withObject:animation afterDelay:delay];
4546
4547 #ifndef __OBJC2__
4548     [delegate_ showKeyboard:show];
4549 #endif
4550 }
4551
4552 - (void) textFieldDidBecomeFirstResponder:(UITextField *)field {
4553     [self _showKeyboard:YES];
4554 }
4555
4556 - (void) textFieldDidResignFirstResponder:(UITextField *)field {
4557     [self _showKeyboard:NO];
4558 }
4559
4560 - (void) keyboardInputChanged:(UIFieldEditor *)editor {
4561     if (reload_) {
4562         NSString *text([field_ text]);
4563         [field_ setClearButtonStyle:(text == nil || [text length] == 0 ? 0 : 2)];
4564         [self reloadData];
4565         reload_ = false;
4566     }
4567 }
4568
4569 - (void) textFieldClearButtonPressed:(UITextField *)field {
4570     reload_ = true;
4571 }
4572
4573 - (void) keyboardInputShouldDelete:(id)input {
4574     reload_ = true;
4575 }
4576
4577 - (BOOL) keyboardInput:(id)input shouldInsertText:(NSString *)text isMarkedText:(int)marked {
4578     if ([text length] != 1 || [text characterAtIndex:0] != '\n') {
4579         reload_ = true;
4580         return YES;
4581     } else {
4582         [field_ resignFirstResponder];
4583         return NO;
4584     }
4585 }
4586
4587 - (id) initWithBook:(RVBook *)book database:(Database *)database {
4588     if ((self = [super initWithBook:book]) != nil) {
4589         CGRect pageBounds = [book_ pageBounds];
4590
4591         /*UIImageView *pinstripe = [[[UIImageView alloc] initWithFrame:pageBounds] autorelease];
4592         [pinstripe setImage:[UIImage applicationImageNamed:@"pinstripe.png"]];
4593         [self addSubview:pinstripe];*/
4594
4595         transition_ = [[UITransitionView alloc] initWithFrame:pageBounds];
4596         [self addSubview:transition_];
4597
4598         advanced_ = [[UIPreferencesTable alloc] initWithFrame:pageBounds];
4599
4600         [advanced_ setReusesTableCells:YES];
4601         [advanced_ setDataSource:self];
4602         [advanced_ reloadData];
4603
4604         dimmed_ = [[UIView alloc] initWithFrame:pageBounds];
4605         CGColor dimmed(space_, 0, 0, 0, 0.5);
4606         [dimmed_ setBackgroundColor:dimmed];
4607
4608         table_ = [[PackageTable alloc]
4609             initWithBook:book
4610             database:database
4611             title:nil
4612             filter:@selector(isSearchedForBy:)
4613             with:nil
4614         ];
4615
4616         [table_ setShouldHideHeaderInShortLists:NO];
4617         [transition_ transition:0 toView:table_];
4618
4619         CGRect cnfrect = {{
4620 #ifdef __OBJC2__
4621         6 +
4622 #endif
4623         1, 38}, {17, 18}};
4624
4625         CGRect area;
4626         area.origin.x = cnfrect.origin.x + cnfrect.size.width + 14;
4627         area.origin.y = 30;
4628
4629         area.size.width =
4630 #ifdef __OBJC2__
4631             8 +
4632 #endif
4633             [self bounds].size.width - area.origin.x - 18;
4634
4635         area.size.height = [UISearchField defaultHeight];
4636
4637         field_ = [[UISearchField alloc] initWithFrame:area];
4638
4639         GSFontRef font = GSFontCreateWithName("Helvetica", kGSFontTraitNone, 16);
4640         [field_ setFont:font];
4641         CFRelease(font);
4642
4643         [field_ setPlaceholder:@"Package Names & Descriptions"];
4644         [field_ setDelegate:self];
4645
4646 #ifdef __OBJC2__
4647         [field_ setPaddingTop:3];
4648 #else
4649         [field_ setPaddingTop:5];
4650 #endif
4651
4652 #ifndef __OBJC2__
4653         UITextTraits *traits = [field_ textTraits];
4654         [traits setEditingDelegate:self];
4655         [traits setReturnKeyType:6];
4656         [traits setAutoCapsType:0];
4657         [traits setAutoCorrectionType:1];
4658 #endif
4659
4660         CGRect accrect = {{0, 6}, {6 + cnfrect.size.width + 6 + area.size.width + 6, area.size.height + 30}};
4661
4662         accessory_ = [[UIView alloc] initWithFrame:accrect];
4663         [accessory_ addSubview:field_];
4664
4665         UIPushButton *configure = [[[UIPushButton alloc] initWithFrame:cnfrect] autorelease];
4666         [configure setShowPressFeedback:YES];
4667         [configure setImage:[UIImage applicationImageNamed:@"advanced.png"]];
4668         [configure addTarget:self action:@selector(configurePushed) forEvents:1];
4669         [accessory_ addSubview:configure];
4670     } return self;
4671 }
4672
4673 - (void) flipPage {
4674 #ifndef __OBJC2__
4675     LKAnimation *animation = [LKTransition animation];
4676     [animation setType:@"oglFlip"];
4677     [animation setTimingFunction:[LKTimingFunction functionWithName:@"easeInEaseOut"]];
4678     [animation setFillMode:@"extended"];
4679     [animation setTransitionFlags:3];
4680     [animation setDuration:10];
4681     [animation setSpeed:0.35];
4682     [animation setSubtype:(flipped_ ? @"fromLeft" : @"fromRight")];
4683     [[transition_ _layer] addAnimation:animation forKey:0];
4684     [transition_ transition:0 toView:(flipped_ ? (UIView *) table_ : (UIView *) advanced_)];
4685     flipped_ = !flipped_;
4686 #endif
4687 }
4688
4689 - (void) configurePushed {
4690     [field_ resignFirstResponder];
4691     [self flipPage];
4692 }
4693
4694 - (void) resetViewAnimated:(BOOL)animated {
4695     if (flipped_)
4696         [self flipPage];
4697     [table_ resetViewAnimated:animated];
4698 }
4699
4700 - (void) reloadData {
4701     if (flipped_)
4702         [self flipPage];
4703     [table_ setObject:[field_ text]];
4704     [table_ reloadData];
4705     [table_ resetCursor];
4706 }
4707
4708 - (UIView *) accessoryView {
4709     return accessory_;
4710 }
4711
4712 - (NSString *) title {
4713     return nil;
4714 }
4715
4716 - (NSString *) backButtonTitle {
4717     return @"Search";
4718 }
4719
4720 - (void) setDelegate:(id)delegate {
4721     [table_ setDelegate:delegate];
4722     [super setDelegate:delegate];
4723 }
4724
4725 @end
4726 /* }}} */
4727
4728 @implementation CYBook
4729
4730 - (void) dealloc {
4731     [overlay_ release];
4732     [indicator_ release];
4733     [prompt_ release];
4734     [progress_ release];
4735     [super dealloc];
4736 }
4737
4738 - (NSString *) getTitleForPage:(RVPage *)page {
4739     return Simplify([super getTitleForPage:page]);
4740 }
4741
4742 - (BOOL) updating {
4743     return updating_;
4744 }
4745
4746 - (void) update {
4747     [navbar_ setPrompt:@""];
4748     [navbar_ addSubview:overlay_];
4749     [indicator_ startAnimation];
4750     [prompt_ setText:@"Updating Database..."];
4751     [progress_ setProgress:0];
4752
4753     updating_ = true;
4754
4755     [NSThread
4756         detachNewThreadSelector:@selector(_update)
4757         toTarget:self
4758         withObject:nil
4759     ];
4760 }
4761
4762 - (void) _update_ {
4763     updating_ = false;
4764
4765     [overlay_ removeFromSuperview];
4766     [indicator_ stopAnimation];
4767     [delegate_ reloadData];
4768
4769     [self setPrompt:[NSString stringWithFormat:@"Last Updated: %@", GetLastUpdate()]];
4770 }
4771
4772 - (id) initWithFrame:(CGRect)frame database:(Database *)database {
4773     if ((self = [super initWithFrame:frame]) != nil) {
4774         database_ = database;
4775
4776         if (Advanced_)
4777             [navbar_ setBarStyle:1];
4778
4779         CGRect ovrrect = [navbar_ bounds];
4780         ovrrect.size.height = ([UINavigationBar defaultSizeWithPrompt].height - [UINavigationBar defaultSize].height);
4781
4782         overlay_ = [[UIView alloc] initWithFrame:ovrrect];
4783
4784         UIProgressIndicatorStyle style = Advanced_ ?
4785             kUIProgressIndicatorStyleSmallWhite :
4786             kUIProgressIndicatorStyleSmallBlack;
4787
4788         CGSize indsize = [UIProgressIndicator defaultSizeForStyle:style];
4789         unsigned indoffset = (ovrrect.size.height - indsize.height) / 2;
4790         CGRect indrect = {{indoffset, indoffset}, indsize};
4791
4792         indicator_ = [[UIProgressIndicator alloc] initWithFrame:indrect];
4793         [indicator_ setStyle:style];
4794         [overlay_ addSubview:indicator_];
4795
4796         CGSize prmsize = {200, indsize.width + 4};
4797
4798         CGRect prmrect = {{
4799             indoffset * 2 + indsize.width,
4800 #ifdef __OBJC2__
4801             -1 +
4802 #endif
4803             (ovrrect.size.height - prmsize.height) / 2
4804         }, prmsize};
4805
4806         GSFontRef font = GSFontCreateWithName("Helvetica", kGSFontTraitNone, 12);
4807
4808         prompt_ = [[UITextLabel alloc] initWithFrame:prmrect];
4809
4810         [prompt_ setColor:(Advanced_ ? White_ : Blueish_)];
4811         [prompt_ setBackgroundColor:Clear_];
4812         [prompt_ setFont:font];
4813
4814         CFRelease(font);
4815
4816         [overlay_ addSubview:prompt_];
4817
4818         CGSize prgsize = {75, 100};
4819
4820         CGRect prgrect = {{
4821             ovrrect.size.width - prgsize.width - 10,
4822             (ovrrect.size.height - prgsize.height) / 2
4823         } , prgsize};
4824
4825         progress_ = [[UIProgressBar alloc] initWithFrame:prgrect];
4826         [progress_ setStyle:0];
4827         [overlay_ addSubview:progress_];
4828     } return self;
4829 }
4830
4831 - (void) _update {
4832     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
4833
4834     Status status;
4835     status.setDelegate(self);
4836
4837     [database_ updateWithStatus:status];
4838
4839     [self
4840         performSelectorOnMainThread:@selector(_update_)
4841         withObject:nil
4842         waitUntilDone:NO
4843     ];
4844
4845     [pool release];
4846 }
4847
4848 - (void) setProgressError:(NSString *)error forPackage:(NSString *)id {
4849     [prompt_ setText:[NSString stringWithFormat:@"Error: %@", error]];
4850 }
4851
4852 - (void) setProgressTitle:(NSString *)title {
4853     [self
4854         performSelectorOnMainThread:@selector(_setProgressTitle:)
4855         withObject:title
4856         waitUntilDone:YES
4857     ];
4858 }
4859
4860 - (void) setProgressPercent:(float)percent {
4861 }
4862
4863 - (void) addProgressOutput:(NSString *)output {
4864     [self
4865         performSelectorOnMainThread:@selector(_addProgressOutput:)
4866         withObject:output
4867         waitUntilDone:YES
4868     ];
4869 }
4870
4871 - (void) alertSheet:(UIAlertSheet *)sheet buttonClicked:(int)button {
4872     [sheet dismiss];
4873 }
4874
4875 - (void) _setProgressTitle:(NSString *)title {
4876     [prompt_ setText:[title stringByAppendingString:@"..."]];
4877 }
4878
4879 - (void) _addProgressOutput:(NSString *)output {
4880 }
4881
4882 @end
4883
4884 @interface Cydia : UIApplication <
4885     ConfirmationViewDelegate,
4886     ProgressViewDelegate,
4887     SearchViewDelegate,
4888     CydiaDelegate
4889 > {
4890     UIWindow *window_;
4891
4892     UIView *underlay_;
4893     UIView *overlay_;
4894     CYBook *book_;
4895     UIButtonBar *buttonbar_;
4896
4897     ConfirmationView *confirm_;
4898
4899     NSMutableArray *essential_;
4900     NSMutableArray *broken_;
4901
4902     Database *database_;
4903     ProgressView *progress_;
4904
4905     unsigned tag_;
4906
4907     UIKeyboard *keyboard_;
4908     UIProgressHUD *hud_;
4909
4910     InstallView *install_;
4911     ChangesView *changes_;
4912     ManageView *manage_;
4913     SearchView *search_;
4914 }
4915
4916 @end
4917
4918 @implementation Cydia
4919
4920 - (void) _loaded {
4921     if ([broken_ count] != 0) {
4922         int count = [broken_ count];
4923
4924         UIAlertSheet *sheet = [[[UIAlertSheet alloc]
4925             initWithTitle:[NSString stringWithFormat:@"%d Half-Installed Package%@", count, (count == 1 ? @"" : @"s")]
4926             buttons:[NSArray arrayWithObjects:
4927                 @"Forcibly Clear",
4928                 @"Ignore (Temporary)",
4929             nil]
4930             defaultButtonIndex:0
4931             delegate:self
4932             context:@"fixhalf"
4933         ] autorelease];
4934
4935         [sheet setBodyText:@"When the shell scripts associated with packages fail, they are left in a bad state known as either half-configured or half-installed. These errors don't go away and instead continue to cause issues. These scripts can be deleted and the packages forcibly removed."];
4936         [sheet popupAlertAnimated:YES];
4937     } else if (!Ignored_ && [essential_ count] != 0) {
4938         int count = [essential_ count];
4939
4940         UIAlertSheet *sheet = [[[UIAlertSheet alloc]
4941             initWithTitle:[NSString stringWithFormat:@"%d Essential Upgrade%@", count, (count == 1 ? @"" : @"s")]
4942             buttons:[NSArray arrayWithObjects:@"Upgrade Essential", @"Ignore (Temporary)", nil]
4943             defaultButtonIndex:0
4944             delegate:self
4945             context:@"upgrade"
4946         ] autorelease];
4947
4948         [sheet setBodyText:@"One or more essential packages are currently out of date. If these upgrades are not performed you are likely to encounter errors."];
4949         [sheet popupAlertAnimated:YES];
4950     }
4951 }
4952
4953 - (void) _reloadData {
4954     /*UIProgressHUD *hud = [[UIProgressHUD alloc] initWithWindow:window_];
4955     [hud setText:@"Reloading Data"];
4956     [overlay_ addSubview:hud];
4957     [hud show:YES];*/
4958
4959     [database_ reloadData];
4960
4961     if (Packages_ == nil) {
4962         Packages_ = [[NSMutableDictionary alloc] initWithCapacity:128];
4963         [Metadata_ setObject:Packages_ forKey:@"Packages"];
4964     }
4965
4966     size_t changes(0);
4967
4968     [essential_ removeAllObjects];
4969     [broken_ removeAllObjects];
4970
4971     NSArray *packages = [database_ packages];
4972     for (int i(0), e([packages count]); i != e; ++i) {
4973         Package *package = [packages objectAtIndex:i];
4974         if ([package half])
4975             [broken_ addObject:package];
4976         if ([package upgradableAndEssential:NO]) {
4977             if ([package essential])
4978                 [essential_ addObject:package];
4979             ++changes;
4980         }
4981     }
4982
4983     if (changes != 0) {
4984         NSString *badge([[NSNumber numberWithInt:changes] stringValue]);
4985         [buttonbar_ setBadgeValue:badge forButton:3];
4986         if ([buttonbar_ respondsToSelector:@selector(setBadgeAnimated:forButton:)])
4987             [buttonbar_ setBadgeAnimated:YES forButton:3];
4988         [self setApplicationBadge:badge];
4989     } else {
4990         [buttonbar_ setBadgeValue:nil forButton:3];
4991         if ([buttonbar_ respondsToSelector:@selector(setBadgeAnimated:forButton:)])
4992             [buttonbar_ setBadgeAnimated:NO forButton:3];
4993         [self removeApplicationBadge];
4994     }
4995
4996     if (Changed_) {
4997         _assert([Metadata_ writeToFile:@"/var/lib/cydia/metadata.plist" atomically:YES] == YES);
4998         Changed_ = false;
4999     }
5000
5001     /* XXX: this is just stupid */
5002     if (tag_ != 2)
5003         [install_ reloadData];
5004     if (tag_ != 3)
5005         [changes_ reloadData];
5006     if (tag_ != 4)
5007         [manage_ reloadData];
5008     if (tag_ != 5)
5009         [search_ reloadData];
5010
5011     [book_ reloadData];
5012
5013     if ([packages count] == 0);
5014     else if (Loaded_)
5015         [self _loaded];
5016     else {
5017         Loaded_ = YES;
5018         [book_ update];
5019     }
5020
5021     /*[hud show:NO];
5022     [hud removeFromSuperview];*/
5023 }
5024
5025 - (void) reloadData {
5026     @synchronized (self) {
5027         if (confirm_ == nil)
5028             [self _reloadData];
5029     }
5030 }
5031
5032 - (void) resolve {
5033     pkgProblemResolver *resolver = [database_ resolver];
5034
5035     resolver->InstallProtect();
5036     if (!resolver->Resolve(true))
5037         _error->Discard();
5038 }
5039
5040 - (void) perform {
5041     [database_ prepare];
5042
5043     if ([database_ cache]->BrokenCount() == 0)
5044         confirm_ = [[ConfirmationView alloc] initWithView:underlay_ database:database_ delegate:self];
5045     else {
5046         NSMutableArray *broken = [NSMutableArray arrayWithCapacity:16];
5047         NSArray *packages = [database_ packages];
5048
5049         for (size_t i(0); i != [packages count]; ++i) {
5050             Package *package = [packages objectAtIndex:i];
5051             if ([package broken])
5052                 [broken addObject:[package name]];
5053         }
5054
5055         UIAlertSheet *sheet = [[[UIAlertSheet alloc]
5056             initWithTitle:[NSString stringWithFormat:@"%d Broken Packages", [database_ cache]->BrokenCount()]
5057             buttons:[NSArray arrayWithObjects:@"Okay", nil]
5058             defaultButtonIndex:0
5059             delegate:self
5060             context:@"broken"
5061         ] autorelease];
5062
5063         [sheet setBodyText:[NSString stringWithFormat:@"The following packages have unmet dependencies:\n\n%@", [broken componentsJoinedByString:@"\n"]]];
5064         [sheet popupAlertAnimated:YES];
5065
5066         [self _reloadData];
5067     }
5068 }
5069
5070 - (void) installPackage:(Package *)package {
5071     @synchronized (self) {
5072         [package install];
5073         [self resolve];
5074         [self perform];
5075     }
5076 }
5077
5078 - (void) removePackage:(Package *)package {
5079     @synchronized (self) {
5080         [package remove];
5081         [self resolve];
5082         [self perform];
5083     }
5084 }
5085
5086 - (void) distUpgrade {
5087     @synchronized (self) {
5088         [database_ upgrade];
5089         [self perform];
5090     }
5091 }
5092
5093 - (void) cancel {
5094     @synchronized (self) {
5095         [confirm_ release];
5096         confirm_ = nil;
5097         [self _reloadData];
5098     }
5099 }
5100
5101 - (void) confirm {
5102     [overlay_ removeFromSuperview];
5103     reload_ = true;
5104
5105     [progress_
5106         detachNewThreadSelector:@selector(perform)
5107         toTarget:database_
5108         withObject:nil
5109         title:@"Running..."
5110     ];
5111 }
5112
5113 - (void) bootstrap_ {
5114     [database_ update];
5115     [database_ upgrade];
5116     [database_ prepare];
5117     [database_ perform];
5118 }
5119
5120 - (void) bootstrap {
5121     [progress_
5122         detachNewThreadSelector:@selector(bootstrap_)
5123         toTarget:self
5124         withObject:nil
5125         title:@"Bootstrap Install..."
5126     ];
5127 }
5128
5129 - (void) progressViewIsComplete:(ProgressView *)progress {
5130     @synchronized (self) {
5131         [self _reloadData];
5132
5133         if (confirm_ != nil) {
5134             [underlay_ addSubview:overlay_];
5135             [confirm_ removeFromSuperview];
5136             [confirm_ release];
5137             confirm_ = nil;
5138         }
5139     }
5140 }
5141
5142 - (void) alertSheet:(UIAlertSheet *)sheet buttonClicked:(int)button {
5143     NSString *context = [sheet context];
5144     if ([context isEqualToString:@"fixhalf"])
5145         switch (button) {
5146             case 1:
5147                 @synchronized (self) {
5148                     for (int i = 0, e = [broken_ count]; i != e; ++i) {
5149                         Package *broken = [broken_ objectAtIndex:i];
5150                         [broken remove];
5151
5152                         NSString *id = [broken id];
5153                         unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.prerm", id] UTF8String]);
5154                         unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postrm", id] UTF8String]);
5155                         unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.preinst", id] UTF8String]);
5156                         unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postinst", id] UTF8String]);
5157                     }
5158
5159                     [self resolve];
5160                     [self perform];
5161                 }
5162             break;
5163
5164             case 2:
5165                 [broken_ removeAllObjects];
5166                 [self _loaded];
5167             break;
5168
5169             default:
5170                 _assert(false);
5171         }
5172     else if ([context isEqualToString:@"upgrade"])
5173         switch (button) {
5174             case 1:
5175                 @synchronized (self) {
5176                     for (int i = 0, e = [essential_ count]; i != e; ++i) {
5177                         Package *essential = [essential_ objectAtIndex:i];
5178                         [essential install];
5179                     }
5180
5181                     [self resolve];
5182                     [self perform];
5183                 }
5184             break;
5185
5186             case 2:
5187                 Ignored_ = YES;
5188             break;
5189
5190             default:
5191                 _assert(false);
5192         }
5193
5194     [sheet dismiss];
5195 }
5196
5197 - (void) setPage:(RVPage *)page {
5198     [page resetViewAnimated:NO];
5199     [page setDelegate:self];
5200     [book_ setPage:page];
5201 }
5202
5203 - (RVPage *) _setHomePage {
5204     BrowserView *browser = [[[BrowserView alloc] initWithBook:book_ database:database_] autorelease];
5205     [self setPage:browser];
5206     [browser loadURL:[NSURL URLWithString:@"http://cydia.saurik.com/"]];
5207     return browser;
5208 }
5209
5210 - (void) buttonBarItemTapped:(id)sender {
5211     unsigned tag = [sender tag];
5212     if (tag == tag_) {
5213         [book_ resetViewAnimated:YES];
5214         return;
5215     }
5216
5217     switch (tag) {
5218         case 1: [self _setHomePage]; break;
5219
5220         case 2: [self setPage:install_]; break;
5221         case 3: [self setPage:changes_]; break;
5222         case 4: [self setPage:manage_]; break;
5223         case 5: [self setPage:search_]; break;
5224
5225         default: _assert(false);
5226     }
5227
5228     tag_ = tag;
5229 }
5230
5231 - (void) applicationWillSuspend {
5232     _trace();
5233     [super applicationWillSuspend];
5234
5235     [database_ clean];
5236
5237     if (reload_) {
5238         pid_t pid = ExecFork();
5239         if (pid == 0) {
5240 #ifndef __OBJC2__
5241             sleep(1);
5242 #endif
5243
5244             if (pid_t child = fork()) {
5245                 waitpid(child, NULL, 0);
5246             } else {
5247                 execlp("launchctl", "launchctl", "unload", SpringBoard_, NULL);
5248                 perror("launchctl unload");
5249                 exit(0);
5250             }
5251
5252             execlp("launchctl", "launchctl", "load", SpringBoard_, NULL);
5253             perror("launchctl load");
5254             exit(0);
5255         }
5256     }
5257 }
5258
5259 - (void) finish {
5260     if (hud_ != nil) {
5261         [self setStatusBarShowsProgress:NO];
5262
5263         [hud_ show:NO];
5264         [hud_ removeFromSuperview];
5265         [hud_ autorelease];
5266         hud_ = nil;
5267     }
5268
5269     overlay_ = [[UIView alloc] initWithFrame:[underlay_ bounds]];
5270
5271     CGRect screenrect = [UIHardware fullScreenApplicationContentRect];
5272     book_ = [[CYBook alloc] initWithFrame:CGRectMake(
5273         0, 0, screenrect.size.width, screenrect.size.height - 48
5274     ) database:database_];
5275
5276     [book_ setDelegate:self];
5277
5278     [overlay_ addSubview:book_];
5279
5280     NSArray *buttonitems = [NSArray arrayWithObjects:
5281         [NSDictionary dictionaryWithObjectsAndKeys:
5282             @"buttonBarItemTapped:", kUIButtonBarButtonAction,
5283             @"home-up.png", kUIButtonBarButtonInfo,
5284             @"home-dn.png", kUIButtonBarButtonSelectedInfo,
5285             [NSNumber numberWithInt:1], kUIButtonBarButtonTag,
5286             self, kUIButtonBarButtonTarget,
5287             @"Home", kUIButtonBarButtonTitle,
5288             @"0", kUIButtonBarButtonType,
5289         nil],
5290
5291         [NSDictionary dictionaryWithObjectsAndKeys:
5292             @"buttonBarItemTapped:", kUIButtonBarButtonAction,
5293             @"install-up.png", kUIButtonBarButtonInfo,
5294             @"install-dn.png", kUIButtonBarButtonSelectedInfo,
5295             [NSNumber numberWithInt:2], kUIButtonBarButtonTag,
5296             self, kUIButtonBarButtonTarget,
5297             @"Install", kUIButtonBarButtonTitle,
5298             @"0", kUIButtonBarButtonType,
5299         nil],
5300
5301         [NSDictionary dictionaryWithObjectsAndKeys:
5302             @"buttonBarItemTapped:", kUIButtonBarButtonAction,
5303             @"changes-up.png", kUIButtonBarButtonInfo,
5304             @"changes-dn.png", kUIButtonBarButtonSelectedInfo,
5305             [NSNumber numberWithInt:3], kUIButtonBarButtonTag,
5306             self, kUIButtonBarButtonTarget,
5307             @"Changes", kUIButtonBarButtonTitle,
5308             @"0", kUIButtonBarButtonType,
5309         nil],
5310
5311         [NSDictionary dictionaryWithObjectsAndKeys:
5312             @"buttonBarItemTapped:", kUIButtonBarButtonAction,
5313             @"manage-up.png", kUIButtonBarButtonInfo,
5314             @"manage-dn.png", kUIButtonBarButtonSelectedInfo,
5315             [NSNumber numberWithInt:4], kUIButtonBarButtonTag,
5316             self, kUIButtonBarButtonTarget,
5317             @"Manage", kUIButtonBarButtonTitle,
5318             @"0", kUIButtonBarButtonType,
5319         nil],
5320
5321         [NSDictionary dictionaryWithObjectsAndKeys:
5322             @"buttonBarItemTapped:", kUIButtonBarButtonAction,
5323             @"search-up.png", kUIButtonBarButtonInfo,
5324             @"search-dn.png", kUIButtonBarButtonSelectedInfo,
5325             [NSNumber numberWithInt:5], kUIButtonBarButtonTag,
5326             self, kUIButtonBarButtonTarget,
5327             @"Search", kUIButtonBarButtonTitle,
5328             @"0", kUIButtonBarButtonType,
5329         nil],
5330     nil];
5331
5332     buttonbar_ = [[UIButtonBar alloc]
5333         initInView:overlay_
5334         withFrame:CGRectMake(
5335             0, screenrect.size.height - ButtonBarHeight_,
5336             screenrect.size.width, ButtonBarHeight_
5337         )
5338         withItemList:buttonitems
5339     ];
5340
5341     [buttonbar_ setDelegate:self];
5342     [buttonbar_ setBarStyle:1];
5343     [buttonbar_ setButtonBarTrackingMode:2];
5344
5345     int buttons[5] = {1, 2, 3, 4, 5};
5346     [buttonbar_ registerButtonGroup:0 withButtons:buttons withCount:5];
5347     [buttonbar_ showButtonGroup:0 withDuration:0];
5348
5349     for (int i = 0; i != 5; ++i)
5350         [[buttonbar_ viewWithTag:(i + 1)] setFrame:CGRectMake(
5351             i * 64 + 2, 1, 60, ButtonBarHeight_
5352         )];
5353
5354     [buttonbar_ showSelectionForButton:1];
5355     [overlay_ addSubview:buttonbar_];
5356
5357     [UIKeyboard initImplementationNow];
5358     CGSize keysize = [UIKeyboard defaultSize];
5359     CGRect keyrect = {{0, [overlay_ bounds].size.height}, keysize};
5360     keyboard_ = [[UIKeyboard alloc] initWithFrame:keyrect];
5361     [[UIKeyboardImpl sharedInstance] setSoundsEnabled:(Sounds_Keyboard_ ? YES : NO)];
5362     [overlay_ addSubview:keyboard_];
5363
5364     install_ = [[InstallView alloc] initWithBook:book_ database:database_];
5365     changes_ = [[ChangesView alloc] initWithBook:book_ database:database_];
5366     manage_ = [[ManageView alloc] initWithBook:book_ database:database_];
5367     search_ = [[SearchView alloc] initWithBook:book_ database:database_];
5368
5369     if (!bootstrap_)
5370         [underlay_ addSubview:overlay_];
5371
5372     [self reloadData];
5373
5374     if (bootstrap_)
5375         [self bootstrap];
5376     else
5377         [self _setHomePage];
5378 }
5379
5380 - (void) reorganize {
5381     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
5382     //system("/usr/libexec/cydia/free.sh");
5383     //[self performSelectorOnMainThread:@selector(finish) withObject:nil waitUntilDone:NO];
5384     [pool release];
5385 }
5386
5387 - (void) applicationSuspend:(__GSEvent *)event {
5388     if (hud_ == nil && ![progress_ isRunning])
5389         [super applicationSuspend:event];
5390     _trace();
5391 }
5392
5393 - (void) applicationDidFinishLaunching:(id)unused {
5394     _assert(pkgInitConfig(*_config));
5395     _assert(pkgInitSystem(*_config, _system));
5396
5397     confirm_ = nil;
5398     tag_ = 1;
5399
5400     essential_ = [[NSMutableArray alloc] initWithCapacity:4];
5401     broken_ = [[NSMutableArray alloc] initWithCapacity:4];
5402
5403     CGRect screenrect = [UIHardware fullScreenApplicationContentRect];
5404     window_ = [[UIWindow alloc] initWithContentRect:screenrect];
5405
5406     [window_ orderFront: self];
5407     [window_ makeKey: self];
5408     [window_ _setHidden: NO];
5409
5410     database_ = [[Database alloc] init];
5411     progress_ = [[ProgressView alloc] initWithFrame:[window_ bounds] database:database_ delegate:self];
5412     [database_ setDelegate:progress_];
5413     [window_ setContentView:progress_];
5414
5415     underlay_ = [[UIView alloc] initWithFrame:[progress_ bounds]];
5416     [progress_ setContentView:underlay_];
5417
5418     [progress_ resetView];
5419
5420     if (
5421         readlink("/Applications", NULL, 0) == -1 && errno == EINVAL ||
5422         readlink("/usr/share", NULL, 0) == -1 && errno == EINVAL ||
5423         readlink("/Library/Ringtones", NULL, 0) == -1 && errno == EINVAL ||
5424         readlink("/Library/Wallpapers", NULL, 0) == -1 && errno == EINVAL
5425     ) {
5426         hud_ = [[UIProgressHUD alloc] initWithWindow:window_];
5427         [hud_ setText:@"Reorganizing\nOne Minute!"];
5428         [hud_ show:YES];
5429         [underlay_ addSubview:hud_];
5430
5431         [self setStatusBarShowsProgress:YES];
5432
5433         [NSThread
5434             detachNewThreadSelector:@selector(reorganize)
5435             toTarget:self
5436             withObject:nil
5437         ];
5438     } else
5439         [self finish];
5440 }
5441
5442 - (void) showKeyboard:(BOOL)show {
5443     CGSize keysize = [UIKeyboard defaultSize];
5444     CGRect keydown = {{0, [overlay_ bounds].size.height}, keysize};
5445     CGRect keyup = keydown;
5446     keyup.origin.y -= keysize.height;
5447
5448     UIFrameAnimation *animation = [[[UIFrameAnimation alloc] initWithTarget:keyboard_] autorelease];
5449     [animation setSignificantRectFields:2];
5450
5451     if (show) {
5452         [animation setStartFrame:keydown];
5453         [animation setEndFrame:keyup];
5454         [keyboard_ activate];
5455     } else {
5456         [animation setStartFrame:keyup];
5457         [animation setEndFrame:keydown];
5458         [keyboard_ deactivate];
5459     }
5460
5461     [[UIAnimator sharedAnimator]
5462         addAnimations:[NSArray arrayWithObjects:animation, nil]
5463         withDuration:KeyboardTime_
5464         start:YES
5465     ];
5466 }
5467
5468 - (void) slideUp:(UIAlertSheet *)alert {
5469     if (Advanced_)
5470         [alert presentSheetFromButtonBar:buttonbar_];
5471     else
5472         [alert presentSheetInView:overlay_];
5473 }
5474
5475 @end
5476
5477 void AddPreferences(NSString *plist) {
5478     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
5479
5480     NSMutableDictionary *settings = [[[NSMutableDictionary alloc] initWithContentsOfFile:plist] autorelease];
5481     _assert(settings != NULL);
5482     NSMutableArray *items = [settings objectForKey:@"items"];
5483
5484     bool cydia(false);
5485
5486     for (size_t i(0); i != [items count]; ++i) {
5487         NSMutableDictionary *item([items objectAtIndex:i]);
5488         NSString *label = [item objectForKey:@"label"];
5489         if (label != nil && [label isEqualToString:@"Cydia"]) {
5490             cydia = true;
5491             break;
5492         }
5493     }
5494
5495     if (!cydia) {
5496         for (size_t i(0); i != [items count]; ++i) {
5497             NSDictionary *item([items objectAtIndex:i]);
5498             NSString *label = [item objectForKey:@"label"];
5499             if (label != nil && [label isEqualToString:@"General"]) {
5500                 [items insertObject:[NSDictionary dictionaryWithObjectsAndKeys:
5501                     @"CydiaSettings", @"bundle",
5502                     @"PSLinkCell", @"cell",
5503                     [NSNumber numberWithBool:YES], @"hasIcon",
5504                     [NSNumber numberWithBool:YES], @"isController",
5505                     @"Cydia", @"label",
5506                 nil] atIndex:(i + 1)];
5507
5508                 break;
5509             }
5510         }
5511
5512         _assert([settings writeToFile:plist atomically:YES] == YES);
5513     }
5514
5515     [pool release];
5516 }
5517
5518 /*IMP alloc_;
5519 id Alloc_(id self, SEL selector) {
5520     id object = alloc_(self, selector);
5521     fprintf(stderr, "[%s]A-%p\n", self->isa->name, object);
5522     return object;
5523 }*/
5524
5525 /*IMP dealloc_;
5526 id Dealloc_(id self, SEL selector) {
5527     id object = dealloc_(self, selector);
5528     fprintf(stderr, "[%s]D-%p\n", self->isa->name, object);
5529     return object;
5530 }*/
5531
5532 int main(int argc, char *argv[]) {
5533     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
5534
5535     bootstrap_ = argc > 1 && strcmp(argv[1], "--bootstrap") == 0;
5536
5537     Home_ = NSHomeDirectory();
5538
5539     {
5540         NSString *plist = [Home_ stringByAppendingString:@"/Library/Preferences/com.apple.preferences.sounds.plist"];
5541         if (NSDictionary *sounds = [NSDictionary dictionaryWithContentsOfFile:plist])
5542             if (NSNumber *keyboard = [sounds objectForKey:@"keyboard"])
5543                 Sounds_Keyboard_ = [keyboard boolValue];
5544     }
5545
5546     setuid(0);
5547     setgid(0);
5548
5549     if (unlink("/var/cache/apt/pkgcache.bin") == -1)
5550         _assert(errno == ENOENT);
5551     if (unlink("/var/cache/apt/srcpkgcache.bin") == -1)
5552         _assert(errno == ENOENT);
5553
5554     /*Method alloc = class_getClassMethod([NSObject class], @selector(alloc));
5555     alloc_ = alloc->method_imp;
5556     alloc->method_imp = (IMP) &Alloc_;*/
5557
5558     /*Method dealloc = class_getClassMethod([NSObject class], @selector(dealloc));
5559     dealloc_ = dealloc->method_imp;
5560     dealloc->method_imp = (IMP) &Dealloc_;*/
5561
5562     if (NSDictionary *sysver = [NSDictionary dictionaryWithContentsOfFile:@"/System/Library/CoreServices/SystemVersion.plist"]) {
5563         if (NSString *prover = [sysver valueForKey:@"ProductVersion"]) {
5564             Firmware_ = strdup([prover UTF8String]);
5565             NSArray *versions = [prover componentsSeparatedByString:@"."];
5566             int count = [versions count];
5567             Major_ = count > 0 ? [[versions objectAtIndex:0] intValue] : 0;
5568             Minor_ = count > 1 ? [[versions objectAtIndex:1] intValue] : 0;
5569             BugFix_ = count > 2 ? [[versions objectAtIndex:2] intValue] : 0;
5570         }
5571     }
5572
5573     size_t size;
5574     sysctlbyname("hw.machine", NULL, &size, NULL, 0);
5575     char *machine = new char[size];
5576     sysctlbyname("hw.machine", machine, &size, NULL, 0);
5577     Machine_ = machine;
5578
5579     if (CFMutableDictionaryRef dict = IOServiceMatching("IOPlatformExpertDevice"))
5580         if (io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault, dict)) {
5581             if (CFTypeRef serial = IORegistryEntryCreateCFProperty(service, CFSTR(kIOPlatformSerialNumberKey), kCFAllocatorDefault, 0)) {
5582                 SerialNumber_ = strdup(CFStringGetCStringPtr((CFStringRef) serial, CFStringGetSystemEncoding()));
5583                 CFRelease(serial);
5584             }
5585
5586             IOObjectRelease(service);
5587         }
5588
5589     /*AddPreferences(@"/Applications/Preferences.app/Settings-iPhone.plist");
5590     AddPreferences(@"/Applications/Preferences.app/Settings-iPod.plist");*/
5591
5592     if ((Metadata_ = [[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"]) == NULL)
5593         Metadata_ = [[NSMutableDictionary alloc] initWithCapacity:2];
5594     else
5595         Packages_ = [Metadata_ objectForKey:@"Packages"];
5596
5597     if (access("/User", F_OK) != 0)
5598         system("/usr/libexec/cydia/firmware.sh");
5599
5600     Locale_ = CFLocaleCopyCurrent();
5601     space_ = CGColorSpaceCreateDeviceRGB();
5602
5603     Blueish_.Set(space_, 0x19/255.f, 0x32/255.f, 0x50/255.f, 1.0);
5604     Black_.Set(space_, 0.0, 0.0, 0.0, 1.0);
5605     Clear_.Set(space_, 0.0, 0.0, 0.0, 0.0);
5606     Red_.Set(space_, 1.0, 0.0, 0.0, 1.0);
5607     White_.Set(space_, 1.0, 1.0, 1.0, 1.0);
5608
5609     int value = UIApplicationMain(argc, argv, [Cydia class]);
5610
5611     CGColorSpaceRelease(space_);
5612     CFRelease(Locale_);
5613
5614     [pool release];
5615     return value;
5616 }