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
  46 #import <QuartzCore/CALayer.h>
  47
  48 #import <UIKit/UIKit.h>
  49
  50 // XXX: remove
  51 #import <MessageUI/MailComposeController.h>
  52
  53 #import <WebCore/WebScriptObject.h>
  54 //#include <WebCore/DOMHTML.h>
  55
  56 #include <WebKit/WebFrame.h>
  57 #include <WebKit/WebPolicyDelegate.h>
  58 #include <WebKit/WebView.h>
  59
  60 #import <WebKit/WebView-WebPrivate.h>
  61
  62 #include <sstream>
  63 #include <string>
  64
  65 #include <ext/stdio_filebuf.h>
  66
  67 #include <apt-pkg/acquire.h>
  68 #include <apt-pkg/acquire-item.h>
  69 #include <apt-pkg/algorithms.h>
  70 #include <apt-pkg/cachefile.h>
  71 #include <apt-pkg/clean.h>
  72 #include <apt-pkg/configuration.h>
  73 #include <apt-pkg/debmetaindex.h>
  74 #include <apt-pkg/error.h>
  75 #include <apt-pkg/init.h>
  76 #include <apt-pkg/mmap.h>
  77 #include <apt-pkg/pkgrecords.h>
  78 #include <apt-pkg/sha1.h>
  79 #include <apt-pkg/sourcelist.h>
  80 #include <apt-pkg/sptr.h>
  81 #include <apt-pkg/strutl.h>
  82
  83 #include <sys/types.h>
  84 #include <sys/stat.h>
  85 #include <sys/sysctl.h>
  86
  87 #include <notify.h>
  88 #include <dlfcn.h>
  89
  90 extern "C" {
  91 #include <mach-o/nlist.h>
  92 }
  93
  94 #include <cstdio>
  95 #include <cstdlib>
  96 #include <cstring>
  97
  98 #include <errno.h>
  99 #include <pcre.h>
 100
 101 #import "BrowserView.h"
 102 #import "ResetView.h"
 103 #import "UICaboodle.h"
 104 /* }}} */
 105
 106 //#define _finline __attribute__((force_inline))
 107 #define _finline inline
 108
 109 /* Objective-C Handle<> {{{ */
 110 template <typename Type_>
 111 class _H {
 112     typedef _H<Type_> This_;
 113
 114   private:
 115     Type_ *value_;
 116
 117     _finline void Retain_() {
 118         if (value_ != nil)
 119             [value_ retain];
 120     }
 121
 122     _finline void Clear_() {
 123         if (value_ != nil)
 124             [value_ release];
 125     }
 126
 127   public:
 128     _finline _H(Type_ *value = NULL, bool mended = false) :
 129         value_(value)
 130     {
 131         if (!mended)
 132             Retain_();
 133     }
 134
 135     _finline ~_H() {
 136         Clear_();
 137     }
 138
 139     _finline This_ &operator =(Type_ *value) {
 140         if (value_ != value) {
 141             Clear_();
 142             value_ = value;
 143             Retain_();
 144         } return this;
 145     }
 146 };
 147 /* }}} */
 148
 149 #define _pooled _H<NSAutoreleasePool> _pool([[NSAutoreleasePool alloc] init], true);
 150
 151 void NSLogRect(const char *fix, const CGRect &rect) {
 152     NSLog(@"%s(%g,%g)+(%g,%g)", fix, rect.origin.x, rect.origin.y, rect.size.width, rect.size.height);
 153 }
 154
 155 static const NSStringCompareOptions CompareOptions_ = NSCaseInsensitiveSearch | NSNumericSearch | NSDiacriticInsensitiveSearch | NSWidthInsensitiveSearch | NSForcedOrderingSearch;
 156
 157 /* iPhoneOS 2.0 Compatibility {{{ */
 158 #ifdef __OBJC2__
 159 @interface UITextView (iPhoneOS)
 160 - (void) setTextSize:(float)size;
 161 @end
 162
 163 @implementation UITextView (iPhoneOS)
 164
 165 - (void) setTextSize:(float)size {
 166     [self setFont:[[self font] fontWithSize:size]];
 167 }
 168
 169 @end
 170 #endif
 171 /* }}} */
 172
 173 extern NSString * const kCAFilterNearest;
 174
 175 /* Information Dictionaries {{{ */
 176 @interface NSMutableArray (Cydia)
 177 - (void) addInfoDictionary:(NSDictionary *)info;
 178 @end
 179
 180 @implementation NSMutableArray (Cydia)
 181
 182 - (void) addInfoDictionary:(NSDictionary *)info {
 183     [self addObject:info];
 184 }
 185
 186 @end
 187
 188 @interface NSMutableDictionary (Cydia)
 189 - (void) addInfoDictionary:(NSDictionary *)info;
 190 @end
 191
 192 @implementation NSMutableDictionary (Cydia)
 193
 194 - (void) addInfoDictionary:(NSDictionary *)info {
 195     NSString *bundle = [info objectForKey:@"CFBundleIdentifier"];
 196     [self setObject:info forKey:bundle];
 197 }
 198
 199 @end
 200 /* }}} */
 201 /* Pop Transitions {{{ */
 202 @interface PopTransitionView : UITransitionView {
 203 }
 204
 205 @end
 206
 207 @implementation PopTransitionView
 208
 209 - (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to {
 210     if (from != nil && to == nil)
 211         [self removeFromSuperview];
 212 }
 213
 214 @end
 215
 216 @interface UIView (PopUpView)
 217 - (void) popFromSuperviewAnimated:(BOOL)animated;
 218 - (void) popSubview:(UIView *)view;
 219 @end
 220
 221 @implementation UIView (PopUpView)
 222
 223 - (void) popFromSuperviewAnimated:(BOOL)animated {
 224     [[self superview] transition:(animated ? UITransitionPushFromTop : UITransitionNone) toView:nil];
 225 }
 226
 227 - (void) popSubview:(UIView *)view {
 228     UITransitionView *transition([[[PopTransitionView alloc] initWithFrame:[self bounds]] autorelease]);
 229     [transition setDelegate:transition];
 230     [self addSubview:transition];
 231
 232     UIView *blank = [[[UIView alloc] initWithFrame:[transition bounds]] autorelease];
 233     [transition transition:UITransitionNone toView:blank];
 234     [transition transition:UITransitionPushFromBottom toView:view];
 235 }
 236
 237 @end
 238 /* }}} */
 239
 240 #define lprintf(args...) fprintf(stderr, args)
 241
 242 #define ForSaurik 1
 243 #define RecycleWebViews 0
 244
 245 typedef enum {
 246     kUIControlEventMouseDown = 1 << 0,
 247     kUIControlEventMouseMovedInside = 1 << 2, // mouse moved inside control target
 248     kUIControlEventMouseMovedOutside = 1 << 3, // mouse moved outside control target
 249     kUIControlEventMouseUpInside = 1 << 6, // mouse up inside control target
 250     kUIControlEventMouseUpOutside = 1 << 7, // mouse up outside control target
 251     kUIControlAllEvents = (kUIControlEventMouseDown | kUIControlEventMouseMovedInside | kUIControlEventMouseMovedOutside | kUIControlEventMouseUpInside | kUIControlEventMouseUpOutside)
 252 } UIControlEventMasks;
 253
 254 @interface NSString (UIKit)
 255 - (NSString *) stringByAddingPercentEscapes;
 256 - (NSString *) stringByReplacingCharacter:(unsigned short)arg0 withCharacter:(unsigned short)arg1;
 257 @end
 258
 259 @interface NSString (Cydia)
 260 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length;
 261 - (NSComparisonResult) compareByPath:(NSString *)other;
 262 @end
 263
 264 @implementation NSString (Cydia)
 265
 266 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length {
 267     char data[length + 1];
 268     memcpy(data, bytes, length);
 269     data[length] = '\0';
 270     return [NSString stringWithUTF8String:data];
 271 }
 272
 273 - (NSComparisonResult) compareByPath:(NSString *)other {
 274     NSString *prefix = [self commonPrefixWithString:other options:0];
 275     size_t length = [prefix length];
 276
 277     NSRange lrange = NSMakeRange(length, [self length] - length);
 278     NSRange rrange = NSMakeRange(length, [other length] - length);
 279
 280     lrange = [self rangeOfString:@"/" options:0 range:lrange];
 281     rrange = [other rangeOfString:@"/" options:0 range:rrange];
 282
 283     NSComparisonResult value;
 284
 285     if (lrange.location == NSNotFound && rrange.location == NSNotFound)
 286         value = NSOrderedSame;
 287     else if (lrange.location == NSNotFound)
 288         value = NSOrderedAscending;
 289     else if (rrange.location == NSNotFound)
 290         value = NSOrderedDescending;
 291     else
 292         value = NSOrderedSame;
 293
 294     NSString *lpath = lrange.location == NSNotFound ? [self substringFromIndex:length] :
 295         [self substringWithRange:NSMakeRange(length, lrange.location - length)];
 296     NSString *rpath = rrange.location == NSNotFound ? [other substringFromIndex:length] :
 297         [other substringWithRange:NSMakeRange(length, rrange.location - length)];
 298
 299     NSComparisonResult result = [lpath compare:rpath];
 300     return result == NSOrderedSame ? value : result;
 301 }
 302
 303 @end
 304
 305 /* Perl-Compatible RegEx {{{ */
 306 class Pcre {
 307   private:
 308     pcre *code_;
 309     pcre_extra *study_;
 310     int capture_;
 311     int *matches_;
 312     const char *data_;
 313
 314   public:
 315     Pcre(const char *regex) :
 316         study_(NULL)
 317     {
 318         const char *error;
 319         int offset;
 320         code_ = pcre_compile(regex, 0, &error, &offset, NULL);
 321
 322         if (code_ == NULL) {
 323             lprintf("%d:%s\n", offset, error);
 324             _assert(false);
 325         }
 326
 327         pcre_fullinfo(code_, study_, PCRE_INFO_CAPTURECOUNT, &capture_);
 328         matches_ = new int[(capture_ + 1) * 3];
 329     }
 330
 331     ~Pcre() {
 332         pcre_free(code_);
 333         delete matches_;
 334     }
 335
 336     NSString *operator [](size_t match) {
 337         return [NSString stringWithUTF8Bytes:(data_ + matches_[match * 2]) length:(matches_[match * 2 + 1] - matches_[match * 2])];
 338     }
 339
 340     bool operator ()(NSString *data) {
 341         // XXX: length is for characters, not for bytes
 342         return operator ()([data UTF8String], [data length]);
 343     }
 344
 345     bool operator ()(const char *data, size_t size) {
 346         data_ = data;
 347         return pcre_exec(code_, study_, data, size, 0, 0, matches_, (capture_ + 1) * 3) >= 0;
 348     }
 349 };
 350 /* }}} */
 351 /* Mime Addresses {{{ */
 352 @interface Address : NSObject {
 353     NSString *name_;
 354     NSString *address_;
 355 }
 356
 357 - (NSString *) name;
 358 - (NSString *) address;
 359
 360 + (Address *) addressWithString:(NSString *)string;
 361 - (Address *) initWithString:(NSString *)string;
 362 @end
 363
 364 @implementation Address
 365
 366 - (void) dealloc {
 367     [name_ release];
 368     if (address_ != nil)
 369         [address_ release];
 370     [super dealloc];
 371 }
 372
 373 - (NSString *) name {
 374     return name_;
 375 }
 376
 377 - (NSString *) address {
 378     return address_;
 379 }
 380
 381 + (Address *) addressWithString:(NSString *)string {
 382     return [[[Address alloc] initWithString:string] autorelease];
 383 }
 384
 385 + (NSArray *) _attributeKeys {
 386     return [NSArray arrayWithObjects:@"address", @"name", nil];
 387 }
 388
 389 - (NSArray *) attributeKeys {
 390     return [[self class] _attributeKeys];
 391 }
 392
 393 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
 394     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
 395 }
 396
 397 - (Address *) initWithString:(NSString *)string {
 398     if ((self = [super init]) != nil) {
 399         const char *data = [string UTF8String];
 400         size_t size = [string length];
 401
 402         static Pcre address_r("^\"?(.*)\"? <([^>]*)>$");
 403
 404         if (address_r(data, size)) {
 405             name_ = [address_r[1] retain];
 406             address_ = [address_r[2] retain];
 407         } else {
 408             name_ = [string retain];
 409             address_ = nil;
 410         }
 411     } return self;
 412 }
 413
 414 @end
 415 /* }}} */
 416 /* CoreGraphics Primitives {{{ */
 417 class CGColor {
 418   private:
 419     CGColorRef color_;
 420
 421   public:
 422     CGColor() :
 423         color_(NULL)
 424     {
 425     }
 426
 427     CGColor(CGColorSpaceRef space, float red, float green, float blue, float alpha) :
 428         color_(NULL)
 429     {
 430         Set(space, red, green, blue, alpha);
 431     }
 432
 433     void Clear() {
 434         if (color_ != NULL)
 435             CGColorRelease(color_);
 436     }
 437
 438     ~CGColor() {
 439         Clear();
 440     }
 441
 442     void Set(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 443         Clear();
 444         float color[] = {red, green, blue, alpha};
 445         color_ = CGColorCreate(space, color);
 446     }
 447
 448     operator CGColorRef() {
 449         return color_;
 450     }
 451 };
 452 /* }}} */
 453
 454 extern "C" void UISetColor(CGColorRef color);
 455
 456 /* Random Global Variables {{{ */
 457 static const int PulseInterval_ = 50000;
 458 static const int ButtonBarHeight_ = 48;
 459 static const float KeyboardTime_ = 0.3f;
 460
 461 #define SpringBoard_ "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist"
 462 #define SandboxTemplate_ "/usr/share/sandbox/SandboxTemplate.sb"
 463
 464 static CGColor Blue_;
 465 static CGColor Blueish_;
 466 static CGColor Black_;
 467 static CGColor Off_;
 468 static CGColor White_;
 469 static CGColor Gray_;
 470
 471 static NSString *App_;
 472 static NSString *Home_;
 473 static BOOL Sounds_Keyboard_;
 474
 475 static BOOL Advanced_;
 476 #if !ForSaurik
 477 static BOOL Loaded_;
 478 #endif
 479 static BOOL Ignored_;
 480
 481 static UIFont *Font12_;
 482 static UIFont *Font12Bold_;
 483 static UIFont *Font14_;
 484 static UIFont *Font18Bold_;
 485 static UIFont *Font22Bold_;
 486
 487 static const char *Machine_ = NULL;
 488 static const NSString *UniqueID_ = NULL;
 489
 490 unsigned Major_;
 491 unsigned Minor_;
 492 unsigned BugFix_;
 493
 494 CFLocaleRef Locale_;
 495 CGColorSpaceRef space_;
 496
 497 #define FW_LEAST(major, minor, bugfix) \
 498     (major < Major_ || major == Major_ && \
 499         (minor < Minor_ || minor == Minor_ && \
 500             bugfix <= BugFix_))
 501
 502 bool bootstrap_;
 503 bool reload_;
 504
 505 static NSDictionary *SectionMap_;
 506 static NSMutableDictionary *Metadata_;
 507 static _transient NSMutableDictionary *Settings_;
 508 static _transient NSString *Role_;
 509 static _transient NSMutableDictionary *Packages_;
 510 static _transient NSMutableDictionary *Sections_;
 511 static _transient NSMutableDictionary *Sources_;
 512 static bool Changed_;
 513 static NSDate *now_;
 514
 515 #if RecycleWebViews
 516 static NSMutableArray *Documents_;
 517 #endif
 518
 519 NSString *GetLastUpdate() {
 520     NSDate *update = [Metadata_ objectForKey:@"LastUpdate"];
 521
 522     if (update == nil)
 523         return @"Never or Unknown";
 524
 525     CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
 526     CFStringRef formatted = CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) update);
 527
 528     CFRelease(formatter);
 529
 530     return [(NSString *) formatted autorelease];
 531 }
 532 /* }}} */
 533 /* Display Helpers {{{ */
 534 inline float Interpolate(float begin, float end, float fraction) {
 535     return (end - begin) * fraction + begin;
 536 }
 537
 538 NSString *SizeString(double size) {
 539     bool negative = size < 0;
 540     if (negative)
 541         size = -size;
 542
 543     unsigned power = 0;
 544     while (size > 1024) {
 545         size /= 1024;
 546         ++power;
 547     }
 548
 549     static const char *powers_[] = {"B", "kB", "MB", "GB"};
 550
 551     return [NSString stringWithFormat:@"%s%.1f%s", (negative ? "-" : ""), size, powers_[power]];
 552 }
 553
 554 NSString *StripVersion(NSString *version) {
 555     NSRange colon = [version rangeOfString:@":"];
 556     if (colon.location != NSNotFound)
 557         version = [version substringFromIndex:(colon.location + 1)];
 558     return version;
 559 }
 560
 561 NSString *Simplify(NSString *title) {
 562     const char *data = [title UTF8String];
 563     size_t size = [title length];
 564
 565     static Pcre square_r("^\\[(.*)\\]$");
 566     if (square_r(data, size))
 567         return Simplify(square_r[1]);
 568
 569     static Pcre paren_r("^\\((.*)\\)$");
 570     if (paren_r(data, size))
 571         return Simplify(paren_r[1]);
 572
 573     static Pcre title_r("^(.*?) \\(.*\\)$");
 574     if (title_r(data, size))
 575         return Simplify(title_r[1]);
 576
 577     return title;
 578 }
 579 /* }}} */
 580
 581 bool isSectionVisible(NSString *section) {
 582     NSDictionary *metadata = [Sections_ objectForKey:section];
 583     NSNumber *hidden = metadata == nil ? nil : [metadata objectForKey:@"Hidden"];
 584     return hidden == nil || ![hidden boolValue];
 585 }
 586
 587 /* Delegate Prototypes {{{ */
 588 @class Package;
 589 @class Source;
 590
 591 @interface NSObject (ProgressDelegate)
 592 @end
 593
 594 @implementation NSObject(ProgressDelegate)
 595
 596 - (void) _setProgressError:(NSArray *)args {
 597     [self performSelector:@selector(setProgressError:forPackage:)
 598         withObject:[args objectAtIndex:0]
 599         withObject:([args count] == 1 ? nil : [args objectAtIndex:1])
 600     ];
 601 }
 602
 603 @end
 604
 605 @protocol ProgressDelegate
 606 - (void) setProgressError:(NSString *)error forPackage:(NSString *)id;
 607 - (void) setProgressTitle:(NSString *)title;
 608 - (void) setProgressPercent:(float)percent;
 609 - (void) startProgress;
 610 - (void) addProgressOutput:(NSString *)output;
 611 - (bool) isCancelling:(size_t)received;
 612 @end
 613
 614 @protocol ConfigurationDelegate
 615 - (void) repairWithSelector:(SEL)selector;
 616 - (void) setConfigurationData:(NSString *)data;
 617 @end
 618
 619 @protocol CydiaDelegate
 620 - (void) installPackage:(Package *)package;
 621 - (void) removePackage:(Package *)package;
 622 - (void) slideUp:(UIActionSheet *)alert;
 623 - (void) distUpgrade;
 624 - (void) updateData;
 625 - (void) syncData;
 626 - (void) askForSettings;
 627 - (UIProgressHUD *) addProgressHUD;
 628 - (RVPage *) pageForURL:(NSURL *)url hasTag:(int *)tag;
 629 - (RVPage *) pageForPackage:(NSString *)name;
 630 - (void) openMailToURL:(NSURL *)url;
 631 @end
 632 /* }}} */
 633
 634 /* Status Delegation {{{ */
 635 class Status :
 636     public pkgAcquireStatus
 637 {
 638   private:
 639     _transient NSObject<ProgressDelegate> *delegate_;
 640
 641   public:
 642     Status() :
 643         delegate_(nil)
 644     {
 645     }
 646
 647     void setDelegate(id delegate) {
 648         delegate_ = delegate;
 649     }
 650
 651     virtual bool MediaChange(std::string media, std::string drive) {
 652         return false;
 653     }
 654
 655     virtual void IMSHit(pkgAcquire::ItemDesc &item) {
 656     }
 657
 658     virtual void Fetch(pkgAcquire::ItemDesc &item) {
 659         [delegate_ setProgressTitle:[NSString stringWithUTF8String:("Downloading " + item.ShortDesc).c_str()]];
 660     }
 661
 662     virtual void Done(pkgAcquire::ItemDesc &item) {
 663     }
 664
 665     virtual void Fail(pkgAcquire::ItemDesc &item) {
 666         if (
 667             item.Owner->Status == pkgAcquire::Item::StatIdle ||
 668             item.Owner->Status == pkgAcquire::Item::StatDone
 669         )
 670             return;
 671
 672         std::string &error(item.Owner->ErrorText);
 673         if (error.empty())
 674             return;
 675
 676         NSString *description([NSString stringWithUTF8String:item.Description.c_str()]);
 677         NSArray *fields([description componentsSeparatedByString:@" "]);
 678         NSString *source([fields count] == 0 ? nil : [fields objectAtIndex:0]);
 679
 680         [delegate_ performSelectorOnMainThread:@selector(_setProgressError:)
 681             withObject:[NSArray arrayWithObjects:
 682                 [NSString stringWithUTF8String:error.c_str()],
 683                 source,
 684             nil]
 685             waitUntilDone:YES
 686         ];
 687     }
 688
 689     virtual bool Pulse(pkgAcquire *Owner) {
 690         bool value = pkgAcquireStatus::Pulse(Owner);
 691
 692         float percent(
 693             double(CurrentBytes + CurrentItems) /
 694             double(TotalBytes + TotalItems)
 695         );
 696
 697         [delegate_ setProgressPercent:percent];
 698         return [delegate_ isCancelling:CurrentBytes] ? false : value;
 699     }
 700
 701     virtual void Start() {
 702         [delegate_ startProgress];
 703     }
 704
 705     virtual void Stop() {
 706     }
 707 };
 708 /* }}} */
 709 /* Progress Delegation {{{ */
 710 class Progress :
 711     public OpProgress
 712 {
 713   private:
 714     _transient id<ProgressDelegate> delegate_;
 715
 716   protected:
 717     virtual void Update() {
 718         [delegate_ setProgressTitle:[NSString stringWithUTF8String:Op.c_str()]];
 719         [delegate_ setProgressPercent:(Percent / 100)];
 720     }
 721
 722   public:
 723     Progress() :
 724         delegate_(nil)
 725     {
 726     }
 727
 728     void setDelegate(id delegate) {
 729         delegate_ = delegate;
 730     }
 731
 732     virtual void Done() {
 733         [delegate_ setProgressPercent:1];
 734     }
 735 };
 736 /* }}} */
 737
 738 /* Database Interface {{{ */
 739 @interface Database : NSObject {
 740     pkgCacheFile cache_;
 741     pkgDepCache::Policy *policy_;
 742     pkgRecords *records_;
 743     pkgProblemResolver *resolver_;
 744     pkgAcquire *fetcher_;
 745     FileFd *lock_;
 746     SPtr<pkgPackageManager> manager_;
 747     pkgSourceList *list_;
 748
 749     NSMutableDictionary *sources_;
 750     NSMutableArray *packages_;
 751
 752     _transient NSObject<ConfigurationDelegate, ProgressDelegate> *delegate_;
 753     Status status_;
 754     Progress progress_;
 755
 756     int cydiafd_;
 757     int statusfd_;
 758     FILE *input_;
 759 }
 760
 761 - (void) _readCydia:(NSNumber *)fd;
 762 - (void) _readStatus:(NSNumber *)fd;
 763 - (void) _readOutput:(NSNumber *)fd;
 764
 765 - (FILE *) input;
 766
 767 - (Package *) packageWithName:(NSString *)name;
 768
 769 - (Database *) init;
 770 - (pkgCacheFile &) cache;
 771 - (pkgDepCache::Policy *) policy;
 772 - (pkgRecords *) records;
 773 - (pkgProblemResolver *) resolver;
 774 - (pkgAcquire &) fetcher;
 775 - (NSArray *) packages;
 776 - (NSArray *) sources;
 777 - (void) reloadData;
 778
 779 - (void) configure;
 780 - (void) prepare;
 781 - (void) perform;
 782 - (void) upgrade;
 783 - (void) update;
 784
 785 - (void) updateWithStatus:(Status &)status;
 786
 787 - (void) setDelegate:(id)delegate;
 788 - (Source *) getSource:(const pkgCache::PkgFileIterator &)file;
 789 @end
 790 /* }}} */
 791
 792 /* Source Class {{{ */
 793 @interface Source : NSObject {
 794     NSString *description_;
 795     NSString *label_;
 796     NSString *origin_;
 797
 798     NSString *uri_;
 799     NSString *distribution_;
 800     NSString *type_;
 801     NSString *version_;
 802
 803     NSString *defaultIcon_;
 804
 805     NSDictionary *record_;
 806     BOOL trusted_;
 807 }
 808
 809 - (Source *) initWithMetaIndex:(metaIndex *)index;
 810
 811 - (NSComparisonResult) compareByNameAndType:(Source *)source;
 812
 813 - (NSDictionary *) record;
 814 - (BOOL) trusted;
 815
 816 - (NSString *) uri;
 817 - (NSString *) distribution;
 818 - (NSString *) type;
 819 - (NSString *) key;
 820 - (NSString *) host;
 821
 822 - (NSString *) name;
 823 - (NSString *) description;
 824 - (NSString *) label;
 825 - (NSString *) origin;
 826 - (NSString *) version;
 827
 828 - (NSString *) defaultIcon;
 829
 830 @end
 831
 832 @implementation Source
 833
 834 - (void) dealloc {
 835     [uri_ release];
 836     [distribution_ release];
 837     [type_ release];
 838
 839     if (description_ != nil)
 840         [description_ release];
 841     if (label_ != nil)
 842         [label_ release];
 843     if (origin_ != nil)
 844         [origin_ release];
 845     if (version_ != nil)
 846         [version_ release];
 847     if (defaultIcon_ != nil)
 848         [defaultIcon_ release];
 849     if (record_ != nil)
 850         [record_ release];
 851
 852     [super dealloc];
 853 }
 854
 855 + (NSArray *) _attributeKeys {
 856     return [NSArray arrayWithObjects:@"description", @"distribution", @"host", @"key", @"label", @"name", @"origin", @"trusted", @"type", @"uri", @"version", nil];
 857 }
 858
 859 - (NSArray *) attributeKeys {
 860     return [[self class] _attributeKeys];
 861 }
 862
 863 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
 864     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
 865 }
 866
 867 - (Source *) initWithMetaIndex:(metaIndex *)index {
 868     if ((self = [super init]) != nil) {
 869         trusted_ = index->IsTrusted();
 870
 871         uri_ = [[NSString stringWithUTF8String:index->GetURI().c_str()] retain];
 872         distribution_ = [[NSString stringWithUTF8String:index->GetDist().c_str()] retain];
 873         type_ = [[NSString stringWithUTF8String:index->GetType()] retain];
 874
 875         debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index));
 876         if (dindex != NULL) {
 877             std::ifstream release(dindex->MetaIndexFile("Release").c_str());
 878             std::string line;
 879             while (std::getline(release, line)) {
 880                 std::string::size_type colon(line.find(':'));
 881                 if (colon == std::string::npos)
 882                     continue;
 883
 884                 std::string name(line.substr(0, colon));
 885                 std::string value(line.substr(colon + 1));
 886                 while (!value.empty() && value[0] == ' ')
 887                     value = value.substr(1);
 888
 889                 if (name == "Default-Icon")
 890                     defaultIcon_ = [[NSString stringWithUTF8String:value.c_str()] retain];
 891                 else if (name == "Description")
 892                     description_ = [[NSString stringWithUTF8String:value.c_str()] retain];
 893                 else if (name == "Label")
 894                     label_ = [[NSString stringWithUTF8String:value.c_str()] retain];
 895                 else if (name == "Origin")
 896                     origin_ = [[NSString stringWithUTF8String:value.c_str()] retain];
 897                 else if (name == "Version")
 898                     version_ = [[NSString stringWithUTF8String:value.c_str()] retain];
 899             }
 900         }
 901
 902         record_ = [Sources_ objectForKey:[self key]];
 903         if (record_ != nil)
 904             record_ = [record_ retain];
 905     } return self;
 906 }
 907
 908 - (NSComparisonResult) compareByNameAndType:(Source *)source {
 909     NSDictionary *lhr = [self record];
 910     NSDictionary *rhr = [source record];
 911
 912     if (lhr != rhr)
 913         return lhr == nil ? NSOrderedDescending : NSOrderedAscending;
 914
 915     NSString *lhs = [self name];
 916     NSString *rhs = [source name];
 917
 918     if ([lhs length] != 0 && [rhs length] != 0) {
 919         unichar lhc = [lhs characterAtIndex:0];
 920         unichar rhc = [rhs characterAtIndex:0];
 921
 922         if (isalpha(lhc) && !isalpha(rhc))
 923             return NSOrderedAscending;
 924         else if (!isalpha(lhc) && isalpha(rhc))
 925             return NSOrderedDescending;
 926     }
 927
 928     return [lhs compare:rhs options:CompareOptions_];
 929 }
 930
 931 - (NSDictionary *) record {
 932     return record_;
 933 }
 934
 935 - (BOOL) trusted {
 936     return trusted_;
 937 }
 938
 939 - (NSString *) uri {
 940     return uri_;
 941 }
 942
 943 - (NSString *) distribution {
 944     return distribution_;
 945 }
 946
 947 - (NSString *) type {
 948     return type_;
 949 }
 950
 951 - (NSString *) key {
 952     return [NSString stringWithFormat:@"%@:%@:%@", type_, uri_, distribution_];
 953 }
 954
 955 - (NSString *) host {
 956     return [[[NSURL URLWithString:[self uri]] host] lowercaseString];
 957 }
 958
 959 - (NSString *) name {
 960     return origin_ == nil ? [self host] : origin_;
 961 }
 962
 963 - (NSString *) description {
 964     return description_;
 965 }
 966
 967 - (NSString *) label {
 968     return label_ == nil ? [self host] : label_;
 969 }
 970
 971 - (NSString *) origin {
 972     return origin_;
 973 }
 974
 975 - (NSString *) version {
 976     return version_;
 977 }
 978
 979 - (NSString *) defaultIcon {
 980     return defaultIcon_;
 981 }
 982
 983 @end
 984 /* }}} */
 985 /* Relationship Class {{{ */
 986 @interface Relationship : NSObject {
 987     NSString *type_;
 988     NSString *id_;
 989 }
 990
 991 - (NSString *) type;
 992 - (NSString *) id;
 993 - (NSString *) name;
 994
 995 @end
 996
 997 @implementation Relationship
 998
 999 - (void) dealloc {
1000     [type_ release];
1001     [id_ release];
1002     [super dealloc];
1003 }
1004
1005 - (NSString *) type {
1006     return type_;
1007 }
1008
1009 - (NSString *) id {
1010     return id_;
1011 }
1012
1013 - (NSString *) name {
1014     _assert(false);
1015     return nil;
1016 }
1017
1018 @end
1019 /* }}} */
1020 /* Package Class {{{ */
1021 NSString *Scour(const char *field, const char *begin, const char *end) {
1022     size_t i(0), l(strlen(field));
1023
1024     for (;;) {
1025         const char *name = begin + i;
1026         const char *colon = name + l;
1027         const char *value = colon + 1;
1028
1029         if (
1030             value < end &&
1031             *colon == ':' &&
1032             strncasecmp(name, field, l) == 0
1033         ) {
1034             while (value != end && value[0] == ' ')
1035                 ++value;
1036             const char *line = std::find(value, end, '\n');
1037             while (line != value && line[-1] == ' ')
1038                 --line;
1039
1040             return [NSString stringWithUTF8Bytes:value length:(line - value)];
1041         } else {
1042             begin = std::find(begin, end, '\n');
1043             if (begin == end)
1044                 return nil;
1045             ++begin;
1046         }
1047     }
1048 }
1049
1050 @interface Package : NSObject {
1051     pkgCache::PkgIterator iterator_;
1052     _transient Database *database_;
1053     pkgCache::VerIterator version_;
1054     pkgCache::VerFileIterator file_;
1055
1056     Source *source_;
1057     bool cached_;
1058
1059     NSString *latest_;
1060     NSString *installed_;
1061
1062     NSString *id_;
1063     NSString *name_;
1064     NSString *tagline_;
1065     NSString *icon_;
1066     NSString *depiction_;
1067     NSString *homepage_;
1068     Address *sponsor_;
1069     Address *author_;
1070     NSArray *tags_;
1071     NSString *role_;
1072
1073     NSArray *relationships_;
1074 }
1075
1076 - (Package *) initWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database;
1077 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database;
1078
1079 - (pkgCache::PkgIterator) iterator;
1080
1081 - (NSString *) section;
1082 - (Address *) maintainer;
1083 - (size_t) size;
1084 - (NSString *) description;
1085 - (NSString *) index;
1086
1087 - (NSDate *) seen;
1088
1089 - (NSString *) latest;
1090 - (NSString *) installed;
1091
1092 - (BOOL) valid;
1093 - (BOOL) upgradableAndEssential:(BOOL)essential;
1094 - (BOOL) essential;
1095 - (BOOL) broken;
1096 - (BOOL) unfiltered;
1097 - (BOOL) visible;
1098
1099 - (BOOL) half;
1100 - (BOOL) halfConfigured;
1101 - (BOOL) halfInstalled;
1102 - (BOOL) hasMode;
1103 - (NSString *) mode;
1104
1105 - (NSString *) id;
1106 - (NSString *) name;
1107 - (NSString *) tagline;
1108 - (NSString *) icon;
1109 - (NSString *) homepage;
1110 - (NSString *) depiction;
1111 - (Address *) author;
1112
1113 - (NSArray *) files;
1114 - (NSArray *) relationships;
1115 - (NSArray *) warnings;
1116 - (NSArray *) applications;
1117
1118 - (Source *) source;
1119 - (NSString *) role;
1120
1121 - (BOOL) matches:(NSString *)text;
1122
1123 - (bool) hasSupportingRole;
1124 - (BOOL) hasTag:(NSString *)tag;
1125 - (NSString *) primaryPurpose;
1126
1127 - (NSComparisonResult) compareByName:(Package *)package;
1128 - (NSComparisonResult) compareBySection:(Package *)package;
1129 - (NSComparisonResult) compareBySectionAndName:(Package *)package;
1130 - (NSComparisonResult) compareForChanges:(Package *)package;
1131
1132 - (void) install;
1133 - (void) remove;
1134
1135 - (NSNumber *) isUnfilteredAndSearchedForBy:(NSString *)search;
1136 - (NSNumber *) isInstalledAndVisible:(NSNumber *)number;
1137 - (NSNumber *) isVisiblyUninstalledInSection:(NSString *)section;
1138 - (NSNumber *) isVisibleInSource:(Source *)source;
1139
1140 @end
1141
1142 @implementation Package
1143
1144 - (void) dealloc {
1145     if (source_ != nil)
1146         [source_ release];
1147
1148     [latest_ release];
1149     if (installed_ != nil)
1150         [installed_ release];
1151
1152     [id_ release];
1153     if (name_ != nil)
1154         [name_ release];
1155     [tagline_ release];
1156     if (icon_ != nil)
1157         [icon_ release];
1158     if (depiction_ != nil)
1159         [depiction_ release];
1160     if (homepage_ != nil)
1161         [homepage_ release];
1162     if (sponsor_ != nil)
1163         [sponsor_ release];
1164     if (author_ != nil)
1165         [author_ release];
1166     if (tags_ != nil)
1167         [tags_ release];
1168     if (role_ != nil)
1169         [role_ release];
1170
1171     if (relationships_ != nil)
1172         [relationships_ release];
1173
1174     [super dealloc];
1175 }
1176
1177 + (NSArray *) _attributeKeys {
1178     return [NSArray arrayWithObjects:@"applications", @"author", @"depiction", @"description", @"essential", @"homepage", @"icon", @"id", @"installed", @"latest", @"maintainer", @"name", @"section", @"size", @"source", @"sponsor", @"tagline", @"warnings", nil];
1179 }
1180
1181 - (NSArray *) attributeKeys {
1182     return [[self class] _attributeKeys];
1183 }
1184
1185 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1186     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1187 }
1188
1189 - (Package *) initWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database {
1190     if ((self = [super init]) != nil) {
1191         iterator_ = iterator;
1192         database_ = database;
1193
1194         version_ = [database_ policy]->GetCandidateVer(iterator_);
1195         latest_ = version_.end() ? nil : [StripVersion([NSString stringWithUTF8String:version_.VerStr()]) retain];
1196
1197         if (!version_.end())
1198             file_ = version_.FileList();
1199         else {
1200             pkgCache &cache([database_ cache]);
1201             file_ = pkgCache::VerFileIterator(cache, cache.VerFileP);
1202         }
1203
1204         pkgCache::VerIterator current = iterator_.CurrentVer();
1205         installed_ = current.end() ? nil : [StripVersion([NSString stringWithUTF8String:current.VerStr()]) retain];
1206
1207         id_ = [[[NSString stringWithUTF8String:iterator_.Name()] lowercaseString] retain];
1208
1209         if (!file_.end()) {
1210             pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
1211
1212             const char *begin, *end;
1213             parser->GetRec(begin, end);
1214
1215             name_ = Scour("name", begin, end);
1216             if (name_ != nil)
1217                 name_ = [name_ retain];
1218             tagline_ = [[NSString stringWithUTF8String:parser->ShortDesc().c_str()] retain];
1219             icon_ = Scour("icon", begin, end);
1220             if (icon_ != nil)
1221                 icon_ = [icon_ retain];
1222             depiction_ = Scour("depiction", begin, end);
1223             if (depiction_ != nil)
1224                 depiction_ = [depiction_ retain];
1225             homepage_ = Scour("homepage", begin, end);
1226             if (homepage_ == nil)
1227                 homepage_ = Scour("website", begin, end);
1228             if ([homepage_ isEqualToString:depiction_])
1229                 homepage_ = nil;
1230             if (homepage_ != nil)
1231                 homepage_ = [homepage_ retain];
1232             NSString *sponsor = Scour("sponsor", begin, end);
1233             if (sponsor != nil)
1234                 sponsor_ = [[Address addressWithString:sponsor] retain];
1235             NSString *author = Scour("author", begin, end);
1236             if (author != nil)
1237                 author_ = [[Address addressWithString:author] retain];
1238             NSString *tags = Scour("tag", begin, end);
1239             if (tags != nil)
1240                 tags_ = [[tags componentsSeparatedByString:@", "] retain];
1241         }
1242
1243         if (tags_ != nil)
1244             for (int i(0), e([tags_ count]); i != e; ++i) {
1245                 NSString *tag = [tags_ objectAtIndex:i];
1246                 if ([tag hasPrefix:@"role::"]) {
1247                     role_ = [[tag substringFromIndex:6] retain];
1248                     break;
1249                 }
1250             }
1251
1252         NSMutableDictionary *metadata = [Packages_ objectForKey:id_];
1253         if (metadata == nil || [metadata count] == 0) {
1254             metadata = [NSMutableDictionary dictionaryWithObjectsAndKeys:
1255                 now_, @"FirstSeen",
1256             nil];
1257
1258             [Packages_ setObject:metadata forKey:id_];
1259             Changed_ = true;
1260         }
1261     } return self;
1262 }
1263
1264 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database {
1265     return [[[Package alloc]
1266         initWithIterator:iterator
1267         database:database
1268     ] autorelease];
1269 }
1270
1271 - (pkgCache::PkgIterator) iterator {
1272     return iterator_;
1273 }
1274
1275 - (NSString *) section {
1276     const char *section = iterator_.Section();
1277     if (section == NULL)
1278         return nil;
1279
1280     NSString *name = [[NSString stringWithUTF8String:section] stringByReplacingCharacter:' ' withCharacter:'_'];
1281
1282   lookup:
1283     if (NSDictionary *value = [SectionMap_ objectForKey:name])
1284         if (NSString *rename = [value objectForKey:@"Rename"]) {
1285             name = rename;
1286             goto lookup;
1287         }
1288
1289     return [name stringByReplacingCharacter:'_' withCharacter:' '];
1290 }
1291
1292 - (Address *) maintainer {
1293     if (file_.end())
1294         return nil;
1295     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
1296     return [Address addressWithString:[NSString stringWithUTF8String:parser->Maintainer().c_str()]];
1297 }
1298
1299 - (size_t) size {
1300     return version_.end() ? 0 : version_->InstalledSize;
1301 }
1302
1303 - (NSString *) description {
1304     if (file_.end())
1305         return nil;
1306     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
1307     NSString *description([NSString stringWithUTF8String:parser->LongDesc().c_str()]);
1308
1309     NSArray *lines = [description componentsSeparatedByString:@"\n"];
1310     NSMutableArray *trimmed = [NSMutableArray arrayWithCapacity:([lines count] - 1)];
1311     if ([lines count] < 2)
1312         return nil;
1313
1314     NSCharacterSet *whitespace = [NSCharacterSet whitespaceCharacterSet];
1315     for (size_t i(1); i != [lines count]; ++i) {
1316         NSString *trim = [[lines objectAtIndex:i] stringByTrimmingCharactersInSet:whitespace];
1317         [trimmed addObject:trim];
1318     }
1319
1320     return [trimmed componentsJoinedByString:@"\n"];
1321 }
1322
1323 - (NSString *) index {
1324     NSString *index = [[[self name] substringToIndex:1] uppercaseString];
1325     return [index length] != 0 && isalpha([index characterAtIndex:0]) ? index : @"123";
1326 }
1327
1328 - (NSDate *) seen {
1329     return [[Packages_ objectForKey:id_] objectForKey:@"FirstSeen"];
1330 }
1331
1332 - (NSString *) latest {
1333     return latest_;
1334 }
1335
1336 - (NSString *) installed {
1337     return installed_;
1338 }
1339
1340 - (BOOL) valid {
1341     return !version_.end();
1342 }
1343
1344 - (BOOL) upgradableAndEssential:(BOOL)essential {
1345     pkgCache::VerIterator current = iterator_.CurrentVer();
1346
1347     if (current.end())
1348         return essential && [self essential];
1349     else {
1350         pkgCache::VerIterator candidate = [database_ policy]->GetCandidateVer(iterator_);
1351         return !candidate.end() && candidate != current;
1352     }
1353 }
1354
1355 - (BOOL) essential {
1356     return (iterator_->Flags & pkgCache::Flag::Essential) == 0 ? NO : YES;
1357 }
1358
1359 - (BOOL) broken {
1360     return [database_ cache][iterator_].InstBroken();
1361 }
1362
1363 - (BOOL) unfiltered {
1364     NSString *section = [self section];
1365     return section == nil || isSectionVisible(section);
1366 }
1367
1368 - (BOOL) visible {
1369     return [self hasSupportingRole] && [self unfiltered];
1370 }
1371
1372 - (BOOL) half {
1373     unsigned char current = iterator_->CurrentState;
1374     return current == pkgCache::State::HalfConfigured || current == pkgCache::State::HalfInstalled;
1375 }
1376
1377 - (BOOL) halfConfigured {
1378     return iterator_->CurrentState == pkgCache::State::HalfConfigured;
1379 }
1380
1381 - (BOOL) halfInstalled {
1382     return iterator_->CurrentState == pkgCache::State::HalfInstalled;
1383 }
1384
1385 - (BOOL) hasMode {
1386     pkgDepCache::StateCache &state([database_ cache][iterator_]);
1387     return state.Mode != pkgDepCache::ModeKeep;
1388 }
1389
1390 - (NSString *) mode {
1391     pkgDepCache::StateCache &state([database_ cache][iterator_]);
1392
1393     switch (state.Mode) {
1394         case pkgDepCache::ModeDelete:
1395             if ((state.iFlags & pkgDepCache::Purge) != 0)
1396                 return @"Purge";
1397             else
1398                 return @"Remove";
1399         case pkgDepCache::ModeKeep:
1400             if ((state.iFlags & pkgDepCache::AutoKept) != 0)
1401                 return nil;
1402             else
1403                 return nil;
1404         case pkgDepCache::ModeInstall:
1405             if ((state.iFlags & pkgDepCache::ReInstall) != 0)
1406                 return @"Reinstall";
1407             else switch (state.Status) {
1408                 case -1:
1409                     return @"Downgrade";
1410                 case 0:
1411                     return @"Install";
1412                 case 1:
1413                     return @"Upgrade";
1414                 case 2:
1415                     return @"New Install";
1416                 default:
1417                     _assert(false);
1418             }
1419         default:
1420             _assert(false);
1421     }
1422 }
1423
1424 - (NSString *) id {
1425     return id_;
1426 }
1427
1428 - (NSString *) name {
1429     return name_ == nil ? id_ : name_;
1430 }
1431
1432 - (NSString *) tagline {
1433     return tagline_;
1434 }
1435
1436 - (NSString *) icon {
1437     return icon_;
1438 }
1439
1440 - (NSString *) homepage {
1441     return homepage_;
1442 }
1443
1444 - (NSString *) depiction {
1445     return depiction_;
1446 }
1447
1448 - (Address *) sponsor {
1449     return sponsor_;
1450 }
1451
1452 - (Address *) author {
1453     return author_;
1454 }
1455
1456 - (NSArray *) files {
1457     NSString *path = [NSString stringWithFormat:@"/var/lib/dpkg/info/%@.list", id_];
1458     NSMutableArray *files = [NSMutableArray arrayWithCapacity:128];
1459
1460     std::ifstream fin;
1461     fin.open([path UTF8String]);
1462     if (!fin.is_open())
1463         return nil;
1464
1465     std::string line;
1466     while (std::getline(fin, line))
1467         [files addObject:[NSString stringWithUTF8String:line.c_str()]];
1468
1469     return files;
1470 }
1471
1472 - (NSArray *) relationships {
1473     return relationships_;
1474 }
1475
1476 - (NSArray *) warnings {
1477     NSMutableArray *warnings([NSMutableArray arrayWithCapacity:4]);
1478     const char *name(iterator_.Name());
1479
1480     size_t length(strlen(name));
1481     if (length < 2) invalid:
1482         [warnings addObject:@"illegal package identifier"];
1483     else for (size_t i(0); i != length; ++i)
1484         if (
1485             (name[i] < 'a' || name[i] > 'z') &&
1486             (name[i] < '0' || name[i] > '9') &&
1487             (i == 0 || name[i] != '+' && name[i] != '-' && name[i] != '.')
1488         ) goto invalid;
1489
1490     if (strcmp(name, "cydia") != 0) {
1491         bool cydia = false;
1492         bool stash = false;
1493
1494         if (NSArray *files = [self files])
1495             for (NSString *file in files)
1496                 if (!cydia && [file isEqualToString:@"/Applications/Cydia.app"])
1497                     cydia = true;
1498                 else if (!stash && [file isEqualToString:@"/var/stash"])
1499                     stash = true;
1500
1501         if (cydia)
1502             [warnings addObject:@"files installed into Cydia.app"];
1503         if (stash)
1504             [warnings addObject:@"files installed to /var/stash"];
1505     }
1506
1507     return [warnings count] == 0 ? nil : warnings;
1508 }
1509
1510 - (NSArray *) applications {
1511     NSString *me([[NSBundle mainBundle] bundleIdentifier]);
1512
1513     NSMutableArray *applications([NSMutableArray arrayWithCapacity:2]);
1514
1515     static Pcre application_r("^/Applications/(.*)\\.app/Info.plist$");
1516     if (NSArray *files = [self files])
1517         for (NSString *file in files)
1518             if (application_r(file)) {
1519                 NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:file]);
1520                 NSString *id([info objectForKey:@"CFBundleIdentifier"]);
1521                 if ([id isEqualToString:me])
1522                     continue;
1523
1524                 NSString *display([info objectForKey:@"CFBundleDisplayName"]);
1525                 if (display == nil)
1526                     display = application_r[1];
1527
1528                 NSString *bundle([file stringByDeletingLastPathComponent]);
1529                 NSString *icon([info objectForKey:@"CFBundleIconFile"]);
1530                 if (icon == nil || [icon length] == 0)
1531                     icon = @"icon.png";
1532                 NSURL *url([NSURL fileURLWithPath:[bundle stringByAppendingPathComponent:icon]]);
1533
1534                 NSMutableArray *application([NSMutableArray arrayWithCapacity:2]);
1535                 [applications addObject:application];
1536
1537                 [application addObject:id];
1538                 [application addObject:display];
1539                 [application addObject:url];
1540             }
1541
1542     return [applications count] == 0 ? nil : applications;
1543 }
1544
1545 - (Source *) source {
1546     if (!cached_) {
1547         source_ = file_.end() ? nil : [[database_ getSource:file_.File()] retain];
1548         cached_ = true;
1549     }
1550
1551     return source_;
1552 }
1553
1554 - (NSString *) role {
1555     return role_;
1556 }
1557
1558 - (BOOL) matches:(NSString *)text {
1559     if (text == nil)
1560         return NO;
1561
1562     NSRange range;
1563
1564     range = [[self id] rangeOfString:text options:NSCaseInsensitiveSearch];
1565     if (range.location != NSNotFound)
1566         return YES;
1567
1568     range = [[self name] rangeOfString:text options:NSCaseInsensitiveSearch];
1569     if (range.location != NSNotFound)
1570         return YES;
1571
1572     range = [[self tagline] rangeOfString:text options:NSCaseInsensitiveSearch];
1573     if (range.location != NSNotFound)
1574         return YES;
1575
1576     return NO;
1577 }
1578
1579 - (bool) hasSupportingRole {
1580     if (role_ == nil)
1581         return true;
1582     if ([role_ isEqualToString:@"enduser"])
1583         return true;
1584     if ([Role_ isEqualToString:@"User"])
1585         return false;
1586     if ([role_ isEqualToString:@"hacker"])
1587         return true;
1588     if ([Role_ isEqualToString:@"Hacker"])
1589         return false;
1590     if ([role_ isEqualToString:@"developer"])
1591         return true;
1592     if ([Role_ isEqualToString:@"Developer"])
1593         return false;
1594     _assert(false);
1595 }
1596
1597 - (BOOL) hasTag:(NSString *)tag {
1598     return tags_ == nil ? NO : [tags_ containsObject:tag];
1599 }
1600
1601 - (NSString *) primaryPurpose {
1602     for (NSString *tag in tags_)
1603         if ([tag hasPrefix:@"purpose::"])
1604             return [tag substringFromIndex:9];
1605     return nil;
1606 }
1607
1608 - (NSComparisonResult) compareByName:(Package *)package {
1609     NSString *lhs = [self name];
1610     NSString *rhs = [package name];
1611
1612     if ([lhs length] != 0 && [rhs length] != 0) {
1613         unichar lhc = [lhs characterAtIndex:0];
1614         unichar rhc = [rhs characterAtIndex:0];
1615
1616         if (isalpha(lhc) && !isalpha(rhc))
1617             return NSOrderedAscending;
1618         else if (!isalpha(lhc) && isalpha(rhc))
1619             return NSOrderedDescending;
1620     }
1621
1622     return [lhs compare:rhs options:CompareOptions_];
1623 }
1624
1625 - (NSComparisonResult) compareBySection:(Package *)package {
1626     NSString *lhs = [self section];
1627     NSString *rhs = [package section];
1628
1629     if (lhs == NULL && rhs != NULL)
1630         return NSOrderedAscending;
1631     else if (lhs != NULL && rhs == NULL)
1632         return NSOrderedDescending;
1633     else if (lhs != NULL && rhs != NULL) {
1634         NSComparisonResult result = [lhs compare:rhs options:CompareOptions_];
1635         if (result != NSOrderedSame)
1636             return result;
1637     }
1638
1639     return NSOrderedSame;
1640 }
1641
1642 - (NSComparisonResult) compareBySectionAndName:(Package *)package {
1643     NSString *lhs = [self section];
1644     NSString *rhs = [package section];
1645
1646     if (lhs == NULL && rhs != NULL)
1647         return NSOrderedAscending;
1648     else if (lhs != NULL && rhs == NULL)
1649         return NSOrderedDescending;
1650     else if (lhs != NULL && rhs != NULL) {
1651         NSComparisonResult result = [lhs compare:rhs];
1652         if (result != NSOrderedSame)
1653             return result;
1654     }
1655
1656     return [self compareByName:package];
1657 }
1658
1659 - (NSComparisonResult) compareForChanges:(Package *)package {
1660     BOOL lhs = [self upgradableAndEssential:YES];
1661     BOOL rhs = [package upgradableAndEssential:YES];
1662
1663     if (lhs != rhs)
1664         return lhs ? NSOrderedAscending : NSOrderedDescending;
1665     else if (!lhs) {
1666         switch ([[self seen] compare:[package seen]]) {
1667             case NSOrderedAscending:
1668                 return NSOrderedDescending;
1669             case NSOrderedSame:
1670                 break;
1671             case NSOrderedDescending:
1672                 return NSOrderedAscending;
1673             default:
1674                 _assert(false);
1675         }
1676     }
1677
1678     return [self compareByName:package];
1679 }
1680
1681 - (void) install {
1682     pkgProblemResolver *resolver = [database_ resolver];
1683     resolver->Clear(iterator_);
1684     resolver->Protect(iterator_);
1685     pkgCacheFile &cache([database_ cache]);
1686     cache->MarkInstall(iterator_, false);
1687     pkgDepCache::StateCache &state((*cache)[iterator_]);
1688     if (!state.Install())
1689         cache->SetReInstall(iterator_, true);
1690 }
1691
1692 - (void) remove {
1693     pkgProblemResolver *resolver = [database_ resolver];
1694     resolver->Clear(iterator_);
1695     resolver->Protect(iterator_);
1696     resolver->Remove(iterator_);
1697     [database_ cache]->MarkDelete(iterator_, true);
1698 }
1699
1700 - (NSNumber *) isUnfilteredAndSearchedForBy:(NSString *)search {
1701     return [NSNumber numberWithBool:(
1702         [self unfiltered] && [self matches:search]
1703     )];
1704 }
1705
1706 - (NSNumber *) isInstalledAndVisible:(NSNumber *)number {
1707     return [NSNumber numberWithBool:(
1708         (![number boolValue] || [self visible]) && [self installed] != nil
1709     )];
1710 }
1711
1712 - (NSNumber *) isVisiblyUninstalledInSection:(NSString *)name {
1713     NSString *section = [self section];
1714
1715     return [NSNumber numberWithBool:(
1716         [self visible] &&
1717         [self installed] == nil && (
1718             name == nil ||
1719             section == nil && [name length] == 0 ||
1720             [name isEqualToString:section]
1721         )
1722     )];
1723 }
1724
1725 - (NSNumber *) isVisibleInSource:(Source *)source {
1726     return [NSNumber numberWithBool:([self source] == source && [self visible])];
1727 }
1728
1729 @end
1730 /* }}} */
1731 /* Section Class {{{ */
1732 @interface Section : NSObject {
1733     NSString *name_;
1734     size_t row_;
1735     size_t count_;
1736 }
1737
1738 - (NSComparisonResult) compareByName:(Section *)section;
1739 - (Section *) initWithName:(NSString *)name;
1740 - (Section *) initWithName:(NSString *)name row:(size_t)row;
1741 - (NSString *) name;
1742 - (size_t) row;
1743 - (size_t) count;
1744 - (void) addToCount;
1745
1746 @end
1747
1748 @implementation Section
1749
1750 - (void) dealloc {
1751     [name_ release];
1752     [super dealloc];
1753 }
1754
1755 - (NSComparisonResult) compareByName:(Section *)section {
1756     NSString *lhs = [self name];
1757     NSString *rhs = [section name];
1758
1759     if ([lhs length] != 0 && [rhs length] != 0) {
1760         unichar lhc = [lhs characterAtIndex:0];
1761         unichar rhc = [rhs characterAtIndex:0];
1762
1763         if (isalpha(lhc) && !isalpha(rhc))
1764             return NSOrderedAscending;
1765         else if (!isalpha(lhc) && isalpha(rhc))
1766             return NSOrderedDescending;
1767     }
1768
1769     return [lhs compare:rhs options:CompareOptions_];
1770 }
1771
1772 - (Section *) initWithName:(NSString *)name {
1773     return [self initWithName:name row:0];
1774 }
1775
1776 - (Section *) initWithName:(NSString *)name row:(size_t)row {
1777     if ((self = [super init]) != nil) {
1778         name_ = [name retain];
1779         row_ = row;
1780     } return self;
1781 }
1782
1783 - (NSString *) name {
1784     return name_;
1785 }
1786
1787 - (size_t) row {
1788     return row_;
1789 }
1790
1791 - (size_t) count {
1792     return count_;
1793 }
1794
1795 - (void) addToCount {
1796     ++count_;
1797 }
1798
1799 @end
1800 /* }}} */
1801
1802 static int Finish_;
1803 static NSArray *Finishes_;
1804
1805 /* Database Implementation {{{ */
1806 @implementation Database
1807
1808 - (void) dealloc {
1809     _assert(false);
1810     [super dealloc];
1811 }
1812
1813 - (void) _readCydia:(NSNumber *)fd { _pooled
1814     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
1815     std::istream is(&ib);
1816     std::string line;
1817
1818     static Pcre finish_r("^finish:([^:]*)$");
1819
1820     while (std::getline(is, line)) {
1821         const char *data(line.c_str());
1822         size_t size = line.size();
1823         lprintf("C:%s\n", data);
1824
1825         if (finish_r(data, size)) {
1826             NSString *finish = finish_r[1];
1827             int index = [Finishes_ indexOfObject:finish];
1828             if (index != INT_MAX && index > Finish_)
1829                 Finish_ = index;
1830         }
1831     }
1832
1833     _assert(false);
1834 }
1835
1836 - (void) _readStatus:(NSNumber *)fd { _pooled
1837     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
1838     std::istream is(&ib);
1839     std::string line;
1840
1841     static Pcre conffile_r("^status: [^ ]* : conffile-prompt : (.*?) *$");
1842     static Pcre pmstatus_r("^([^:]*):([^:]*):([^:]*):(.*)$");
1843
1844     while (std::getline(is, line)) {
1845         const char *data(line.c_str());
1846         size_t size = line.size();
1847         lprintf("S:%s\n", data);
1848
1849         if (conffile_r(data, size)) {
1850             [delegate_ setConfigurationData:conffile_r[1]];
1851         } else if (strncmp(data, "status: ", 8) == 0) {
1852             NSString *string = [NSString stringWithUTF8String:(data + 8)];
1853             [delegate_ setProgressTitle:string];
1854         } else if (pmstatus_r(data, size)) {
1855             std::string type([pmstatus_r[1] UTF8String]);
1856             NSString *id = pmstatus_r[2];
1857
1858             float percent([pmstatus_r[3] floatValue]);
1859             [delegate_ setProgressPercent:(percent / 100)];
1860
1861             NSString *string = pmstatus_r[4];
1862
1863             if (type == "pmerror")
1864                 [delegate_ performSelectorOnMainThread:@selector(_setProgressError:)
1865                     withObject:[NSArray arrayWithObjects:string, id, nil]
1866                     waitUntilDone:YES
1867                 ];
1868             else if (type == "pmstatus")
1869                 [delegate_ setProgressTitle:string];
1870             else if (type == "pmconffile")
1871                 [delegate_ setConfigurationData:string];
1872             else _assert(false);
1873         } else _assert(false);
1874     }
1875
1876     _assert(false);
1877 }
1878
1879 - (void) _readOutput:(NSNumber *)fd { _pooled
1880     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
1881     std::istream is(&ib);
1882     std::string line;
1883
1884     while (std::getline(is, line)) {
1885         lprintf("O:%s\n", line.c_str());
1886         [delegate_ addProgressOutput:[NSString stringWithUTF8String:line.c_str()]];
1887     }
1888
1889     _assert(false);
1890 }
1891
1892 - (FILE *) input {
1893     return input_;
1894 }
1895
1896 - (Package *) packageWithName:(NSString *)name {
1897     if (static_cast<pkgDepCache *>(cache_) == NULL)
1898         return nil;
1899     pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]));
1900     return iterator.end() ? nil : [Package packageWithIterator:iterator database:self];
1901 }
1902
1903 - (Database *) init {
1904     if ((self = [super init]) != nil) {
1905         policy_ = NULL;
1906         records_ = NULL;
1907         resolver_ = NULL;
1908         fetcher_ = NULL;
1909         lock_ = NULL;
1910
1911         sources_ = [[NSMutableDictionary dictionaryWithCapacity:16] retain];
1912         packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
1913
1914         int fds[2];
1915
1916         _assert(pipe(fds) != -1);
1917         cydiafd_ = fds[1];
1918
1919         _config->Set("APT::Keep-Fds::", cydiafd_);
1920         setenv("CYDIA", [[[[NSNumber numberWithInt:cydiafd_] stringValue] stringByAppendingString:@" 1"] UTF8String], _not(int));
1921
1922         [NSThread
1923             detachNewThreadSelector:@selector(_readCydia:)
1924             toTarget:self
1925             withObject:[[NSNumber numberWithInt:fds[0]] retain]
1926         ];
1927
1928         _assert(pipe(fds) != -1);
1929         statusfd_ = fds[1];
1930
1931         [NSThread
1932             detachNewThreadSelector:@selector(_readStatus:)
1933             toTarget:self
1934             withObject:[[NSNumber numberWithInt:fds[0]] retain]
1935         ];
1936
1937         _assert(pipe(fds) != -1);
1938         _assert(dup2(fds[0], 0) != -1);
1939         _assert(close(fds[0]) != -1);
1940
1941         input_ = fdopen(fds[1], "a");
1942
1943         _assert(pipe(fds) != -1);
1944         _assert(dup2(fds[1], 1) != -1);
1945         _assert(close(fds[1]) != -1);
1946
1947         [NSThread
1948             detachNewThreadSelector:@selector(_readOutput:)
1949             toTarget:self
1950             withObject:[[NSNumber numberWithInt:fds[0]] retain]
1951         ];
1952     } return self;
1953 }
1954
1955 - (pkgCacheFile &) cache {
1956     return cache_;
1957 }
1958
1959 - (pkgDepCache::Policy *) policy {
1960     return policy_;
1961 }
1962
1963 - (pkgRecords *) records {
1964     return records_;
1965 }
1966
1967 - (pkgProblemResolver *) resolver {
1968     return resolver_;
1969 }
1970
1971 - (pkgAcquire &) fetcher {
1972     return *fetcher_;
1973 }
1974
1975 - (NSArray *) packages {
1976     return packages_;
1977 }
1978
1979 - (NSArray *) sources {
1980     return [sources_ allValues];
1981 }
1982
1983 - (NSArray *) issues {
1984     if (cache_->BrokenCount() == 0)
1985         return nil;
1986
1987     NSMutableArray *issues([NSMutableArray arrayWithCapacity:4]);
1988
1989     for (Package *package in packages_) {
1990         if (![package broken])
1991             continue;
1992         pkgCache::PkgIterator pkg([package iterator]);
1993
1994         NSMutableArray *entry([NSMutableArray arrayWithCapacity:4]);
1995         [entry addObject:[package name]];
1996         [issues addObject:entry];
1997
1998         pkgCache::VerIterator ver(cache_[pkg].InstVerIter(cache_));
1999         if (ver.end())
2000             continue;
2001
2002         for (pkgCache::DepIterator dep(ver.DependsList()); !dep.end(); ) {
2003             pkgCache::DepIterator start;
2004             pkgCache::DepIterator end;
2005             dep.GlobOr(start, end); // ++dep
2006
2007             if (!cache_->IsImportantDep(end))
2008                 continue;
2009             if ((cache_[end] & pkgDepCache::DepGInstall) != 0)
2010                 continue;
2011
2012             NSMutableArray *failure([NSMutableArray arrayWithCapacity:4]);
2013             [entry addObject:failure];
2014             [failure addObject:[NSString stringWithUTF8String:start.DepType()]];
2015
2016             Package *package([self packageWithName:[NSString stringWithUTF8String:start.TargetPkg().Name()]]);
2017             [failure addObject:[package name]];
2018
2019             pkgCache::PkgIterator target(start.TargetPkg());
2020             if (target->ProvidesList != 0)
2021                 [failure addObject:@"?"];
2022             else {
2023                 pkgCache::VerIterator ver(cache_[target].InstVerIter(cache_));
2024                 if (!ver.end())
2025                     [failure addObject:[NSString stringWithUTF8String:ver.VerStr()]];
2026                 else if (!cache_[target].CandidateVerIter(cache_).end())
2027                     [failure addObject:@"-"];
2028                 else if (target->ProvidesList == 0)
2029                     [failure addObject:@"!"];
2030                 else
2031                     [failure addObject:@"%"];
2032             }
2033
2034             _forever {
2035                 if (start.TargetVer() != 0)
2036                     [failure addObject:[NSString stringWithFormat:@"%s %s", start.CompType(), start.TargetVer()]];
2037                 if (start == end)
2038                     break;
2039                 ++start;
2040             }
2041         }
2042     }
2043
2044     return issues;
2045 }
2046
2047 - (void) reloadData {
2048     _error->Discard();
2049
2050     delete list_;
2051     list_ = NULL;
2052     manager_ = NULL;
2053     delete lock_;
2054     lock_ = NULL;
2055     delete fetcher_;
2056     fetcher_ = NULL;
2057     delete resolver_;
2058     resolver_ = NULL;
2059     delete records_;
2060     records_ = NULL;
2061     delete policy_;
2062     policy_ = NULL;
2063
2064     cache_.Close();
2065
2066     if (!cache_.Open(progress_, true)) {
2067         std::string error;
2068         if (!_error->PopMessage(error))
2069             _assert(false);
2070         _error->Discard();
2071         lprintf("cache_.Open():[%s]\n", error.c_str());
2072
2073         if (error == "dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem. ")
2074             [delegate_ repairWithSelector:@selector(configure)];
2075         else if (error == "The package lists or status file could not be parsed or opened.")
2076             [delegate_ repairWithSelector:@selector(update)];
2077         // else if (error == "Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)")
2078         // else if (error == "Could not get lock /var/lib/dpkg/lock - open (35 Resource temporarily unavailable)")
2079         // else if (error == "The list of sources could not be read.")
2080         else _assert(false);
2081
2082         return;
2083     }
2084
2085     now_ = [[NSDate date] retain];
2086
2087     policy_ = new pkgDepCache::Policy();
2088     records_ = new pkgRecords(cache_);
2089     resolver_ = new pkgProblemResolver(cache_);
2090     fetcher_ = new pkgAcquire(&status_);
2091     lock_ = NULL;
2092
2093     list_ = new pkgSourceList();
2094     _assert(list_->ReadMainList());
2095
2096     _assert(cache_->DelCount() == 0 && cache_->InstCount() == 0);
2097     _assert(pkgApplyStatus(cache_));
2098
2099     if (cache_->BrokenCount() != 0) {
2100         _assert(pkgFixBroken(cache_));
2101         _assert(cache_->BrokenCount() == 0);
2102         _assert(pkgMinimizeUpgrade(cache_));
2103     }
2104
2105     [sources_ removeAllObjects];
2106     for (pkgSourceList::const_iterator source = list_->begin(); source != list_->end(); ++source) {
2107         std::vector<pkgIndexFile *> *indices = (*source)->GetIndexFiles();
2108         for (std::vector<pkgIndexFile *>::const_iterator index = indices->begin(); index != indices->end(); ++index)
2109             [sources_
2110                 setObject:[[[Source alloc] initWithMetaIndex:*source] autorelease]
2111                 forKey:[NSNumber numberWithLong:reinterpret_cast<uintptr_t>(*index)]
2112             ];
2113     }
2114
2115     [packages_ removeAllObjects];
2116     for (pkgCache::PkgIterator iterator = cache_->PkgBegin(); !iterator.end(); ++iterator)
2117         if (Package *package = [Package packageWithIterator:iterator database:self])
2118             [packages_ addObject:package];
2119
2120     [packages_ sortUsingSelector:@selector(compareByName:)];
2121 }
2122
2123 - (void) configure {
2124     NSString *dpkg = [NSString stringWithFormat:@"dpkg --configure -a --status-fd %u", statusfd_];
2125     system([dpkg UTF8String]);
2126 }
2127
2128 - (void) clean {
2129     if (lock_ != NULL)
2130         return;
2131
2132     FileFd Lock;
2133     Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
2134     _assert(!_error->PendingError());
2135
2136     pkgAcquire fetcher;
2137     fetcher.Clean(_config->FindDir("Dir::Cache::Archives"));
2138
2139     class LogCleaner :
2140         public pkgArchiveCleaner
2141     {
2142       protected:
2143         virtual void Erase(const char *File, std::string Pkg, std::string Ver, struct stat &St) {
2144             unlink(File);
2145         }
2146     } cleaner;
2147
2148     if (!cleaner.Go(_config->FindDir("Dir::Cache::Archives") + "partial/", cache_)) {
2149         std::string error;
2150         while (_error->PopMessage(error))
2151             lprintf("ArchiveCleaner: %s\n", error.c_str());
2152     }
2153 }
2154
2155 - (void) prepare {
2156     pkgRecords records(cache_);
2157
2158     lock_ = new FileFd();
2159     lock_->Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
2160     _assert(!_error->PendingError());
2161
2162     pkgSourceList list;
2163     // XXX: explain this with an error message
2164     _assert(list.ReadMainList());
2165
2166     manager_ = (_system->CreatePM(cache_));
2167     _assert(manager_->GetArchives(fetcher_, &list, &records));
2168     _assert(!_error->PendingError());
2169 }
2170
2171 - (void) perform {
2172     NSMutableArray *before = [NSMutableArray arrayWithCapacity:16]; {
2173         pkgSourceList list;
2174         _assert(list.ReadMainList());
2175         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
2176             [before addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
2177     }
2178
2179     if (fetcher_->Run(PulseInterval_) != pkgAcquire::Continue) {
2180         _trace();
2181         return;
2182     }
2183
2184     bool failed = false;
2185     for (pkgAcquire::ItemIterator item = fetcher_->ItemsBegin(); item != fetcher_->ItemsEnd(); item++) {
2186         if ((*item)->Status == pkgAcquire::Item::StatDone && (*item)->Complete)
2187             continue;
2188
2189         std::string uri = (*item)->DescURI();
2190         std::string error = (*item)->ErrorText;
2191
2192         lprintf("pAf:%s:%s\n", uri.c_str(), error.c_str());
2193         failed = true;
2194
2195         [delegate_ performSelectorOnMainThread:@selector(_setProgressError:)
2196             withObject:[NSArray arrayWithObjects:[NSString stringWithUTF8String:error.c_str()], nil]
2197             waitUntilDone:YES
2198         ];
2199     }
2200
2201     if (failed) {
2202         _trace();
2203         return;
2204     }
2205
2206     _system->UnLock();
2207     pkgPackageManager::OrderResult result = manager_->DoInstall(statusfd_);
2208
2209     if (_error->PendingError()) {
2210         _trace();
2211         return;
2212     }
2213
2214     if (result == pkgPackageManager::Failed) {
2215         _trace();
2216         return;
2217     }
2218
2219     if (result != pkgPackageManager::Completed) {
2220         _trace();
2221         return;
2222     }
2223
2224     NSMutableArray *after = [NSMutableArray arrayWithCapacity:16]; {
2225         pkgSourceList list;
2226         _assert(list.ReadMainList());
2227         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
2228             [after addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
2229     }
2230
2231     if (![before isEqualToArray:after])
2232         [self update];
2233 }
2234
2235 - (void) upgrade {
2236     _assert(pkgDistUpgrade(cache_));
2237 }
2238
2239 - (void) update {
2240     [self updateWithStatus:status_];
2241 }
2242
2243 - (void) updateWithStatus:(Status &)status {
2244     pkgSourceList list;
2245     _assert(list.ReadMainList());
2246
2247     FileFd lock;
2248     lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
2249     _assert(!_error->PendingError());
2250
2251     pkgAcquire fetcher(&status);
2252     _assert(list.GetIndexes(&fetcher));
2253
2254     if (fetcher.Run(PulseInterval_) != pkgAcquire::Failed) {
2255         bool failed = false;
2256         for (pkgAcquire::ItemIterator item = fetcher.ItemsBegin(); item != fetcher.ItemsEnd(); item++)
2257             if ((*item)->Status != pkgAcquire::Item::StatDone) {
2258                 (*item)->Finished();
2259                 failed = true;
2260             }
2261
2262         if (!failed && _config->FindB("APT::Get::List-Cleanup", true) == true) {
2263             _assert(fetcher.Clean(_config->FindDir("Dir::State::lists")));
2264             _assert(fetcher.Clean(_config->FindDir("Dir::State::lists") + "partial/"));
2265         }
2266
2267         [Metadata_ setObject:[NSDate date] forKey:@"LastUpdate"];
2268         Changed_ = true;
2269     }
2270 }
2271
2272 - (void) setDelegate:(id)delegate {
2273     delegate_ = delegate;
2274     status_.setDelegate(delegate);
2275     progress_.setDelegate(delegate);
2276 }
2277
2278 - (Source *) getSource:(const pkgCache::PkgFileIterator &)file {
2279     pkgIndexFile *index(NULL);
2280     list_->FindIndex(file, index);
2281     return [sources_ objectForKey:[NSNumber numberWithLong:reinterpret_cast<uintptr_t>(index)]];
2282 }
2283
2284 @end
2285 /* }}} */
2286
2287 /* PopUp Windows {{{ */
2288 @interface PopUpView : UIView {
2289     _transient id delegate_;
2290     UITransitionView *transition_;
2291     UIView *overlay_;
2292 }
2293
2294 - (void) cancel;
2295 - (id) initWithView:(UIView *)view delegate:(id)delegate;
2296
2297 @end
2298
2299 @implementation PopUpView
2300
2301 - (void) dealloc {
2302     [transition_ setDelegate:nil];
2303     [transition_ release];
2304     [overlay_ release];
2305     [super dealloc];
2306 }
2307
2308 - (void) cancel {
2309     [transition_ transition:UITransitionPushFromTop toView:nil];
2310 }
2311
2312 - (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to {
2313     if (from != nil && to == nil)
2314         [self removeFromSuperview];
2315 }
2316
2317 - (id) initWithView:(UIView *)view delegate:(id)delegate {
2318     if ((self = [super initWithFrame:[view bounds]]) != nil) {
2319         delegate_ = delegate;
2320
2321         transition_ = [[UITransitionView alloc] initWithFrame:[self bounds]];
2322         [self addSubview:transition_];
2323
2324         overlay_ = [[UIView alloc] initWithFrame:[transition_ bounds]];
2325
2326         [view addSubview:self];
2327
2328         [transition_ setDelegate:self];
2329
2330         UIView *blank = [[[UIView alloc] initWithFrame:[transition_ bounds]] autorelease];
2331         [transition_ transition:UITransitionNone toView:blank];
2332         [transition_ transition:UITransitionPushFromBottom toView:overlay_];
2333     } return self;
2334 }
2335
2336 @end
2337 /* }}} */
2338
2339 /* Mail Composition {{{ */
2340 @interface MailToView : PopUpView {
2341     MailComposeController *controller_;
2342 }
2343
2344 - (id) initWithView:(UIView *)view delegate:(id)delegate url:(NSURL *)url;
2345
2346 @end
2347
2348 @implementation MailToView
2349
2350 - (void) dealloc {
2351     [controller_ release];
2352     [super dealloc];
2353 }
2354
2355 #include "internals.h"
2356
2357 - (void) mailComposeControllerWillAttemptToSend:(MailComposeController *)controller {
2358     NSLog(@"will");
2359 }
2360
2361 - (void) mailComposeControllerDidAttemptToSend:(MailComposeController *)controller mailDelivery:(id)delivery {
2362     NSLog(@"did:%@", delivery);
2363 // [UIApp setStatusBarShowsProgress:NO];
2364 if ([controller error]){
2365 NSArray *buttons = [NSArray arrayWithObjects:@"OK", nil];
2366 UIActionSheet *mailAlertSheet = [[UIActionSheet alloc] initWithTitle:@"Error" buttons:buttons defaultButtonIndex:0 delegate:self context:self];
2367 [mailAlertSheet setBodyText:[controller error]];
2368 [mailAlertSheet popupAlertAnimated:YES];
2369 }
2370 }
2371
2372 - (void) showError {
2373     NSLog(@"%@", [controller_ error]);
2374     NSArray *buttons = [NSArray arrayWithObjects:@"OK", nil];
2375     UIActionSheet *mailAlertSheet = [[UIActionSheet alloc] initWithTitle:@"Error" buttons:buttons defaultButtonIndex:0 delegate:self context:self];
2376     [mailAlertSheet setBodyText:[controller_ error]];
2377     [mailAlertSheet popupAlertAnimated:YES];
2378 }
2379
2380 - (void) deliverMessage { _pooled
2381     if (![controller_ deliverMessage])
2382         [self performSelectorOnMainThread:@selector(showError) withObject:nil waitUntilDone:NO];
2383 }
2384
2385 - (void) mailComposeControllerCompositionFinished:(MailComposeController *)controller {
2386     if ([controller_ needsDelivery])
2387         [NSThread detachNewThreadSelector:@selector(deliverMessage) toTarget:self withObject:nil];
2388     else
2389         [self cancel];
2390 }
2391
2392 - (id) initWithView:(UIView *)view delegate:(id)delegate url:(NSURL *)url {
2393     if ((self = [super initWithView:view delegate:delegate]) != nil) {
2394         controller_ = [[MailComposeController alloc] initForContentSize:[overlay_ bounds].size];
2395         [controller_ setDelegate:self];
2396         [controller_ initializeUI];
2397         [controller_ setupForURL:url];
2398
2399         UIView *view([controller_ view]);
2400         [overlay_ addSubview:view];
2401     } return self;
2402 }
2403
2404 @end
2405 /* }}} */
2406 /* Confirmation View {{{ */
2407 bool DepSubstrate(const pkgCache::VerIterator &iterator) {
2408     if (!iterator.end())
2409         for (pkgCache::DepIterator dep(iterator.DependsList()); !dep.end(); ++dep) {
2410             if (dep->Type != pkgCache::Dep::Depends && dep->Type != pkgCache::Dep::PreDepends)
2411                 continue;
2412             pkgCache::PkgIterator package(dep.TargetPkg());
2413             if (package.end())
2414                 continue;
2415             if (strcmp(package.Name(), "mobilesubstrate") == 0)
2416                 return true;
2417         }
2418
2419     return false;
2420 }
2421
2422 @protocol ConfirmationViewDelegate
2423 - (void) cancel;
2424 - (void) confirm;
2425 @end
2426
2427 @interface ConfirmationView : BrowserView {
2428     UIActionSheet *essential_;
2429     NSArray *changes_;
2430     NSArray *issues_;
2431     NSArray *sizes_;
2432     BOOL substrate_;
2433 }
2434
2435 - (id) initWithBook:(RVBook *)book database:(Database *)database;
2436
2437 @end
2438
2439 @implementation ConfirmationView
2440
2441 - (void) dealloc {
2442     [changes_ release];
2443     if (issues_ != nil)
2444         [issues_ release];
2445     [sizes_ release];
2446     if (essential_ != nil)
2447         [essential_ release];
2448     [super dealloc];
2449 }
2450
2451 - (void) cancel {
2452     [delegate_ cancel];
2453     [book_ popFromSuperviewAnimated:YES];
2454 }
2455
2456 - (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
2457     NSString *context = [sheet context];
2458
2459     if ([context isEqualToString:@"remove"])
2460         switch (button) {
2461             case 1:
2462                 [self cancel];
2463                 break;
2464             case 2:
2465                 if (substrate_)
2466                     Finish_ = 2;
2467                 [delegate_ confirm];
2468                 break;
2469             default:
2470                 _assert(false);
2471         }
2472     else if ([context isEqualToString:@"unable"])
2473         [self cancel];
2474
2475     [sheet dismiss];
2476 }
2477
2478 - (void) webView:(WebView *)sender didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
2479     [window setValue:changes_ forKey:@"changes"];
2480     [window setValue:issues_ forKey:@"issues"];
2481     [window setValue:sizes_ forKey:@"sizes"];
2482     [super webView:sender didClearWindowObject:window forFrame:frame];
2483 }
2484
2485 - (id) initWithBook:(RVBook *)book database:(Database *)database {
2486     if ((self = [super initWithBook:book database:database]) != nil) {
2487         NSMutableArray *installing = [NSMutableArray arrayWithCapacity:16];
2488         NSMutableArray *reinstalling = [NSMutableArray arrayWithCapacity:16];
2489         NSMutableArray *upgrading = [NSMutableArray arrayWithCapacity:16];
2490         NSMutableArray *downgrading = [NSMutableArray arrayWithCapacity:16];
2491         NSMutableArray *removing = [NSMutableArray arrayWithCapacity:16];
2492
2493         bool remove(false);
2494
2495         pkgDepCache::Policy *policy([database_ policy]);
2496
2497         pkgCacheFile &cache([database_ cache]);
2498         NSArray *packages = [database_ packages];
2499         for (size_t i(0), e = [packages count]; i != e; ++i) {
2500             Package *package = [packages objectAtIndex:i];
2501             pkgCache::PkgIterator iterator = [package iterator];
2502             pkgDepCache::StateCache &state(cache[iterator]);
2503
2504             NSString *name([package name]);
2505
2506             if (state.NewInstall())
2507                 [installing addObject:name];
2508             else if (!state.Delete() && (state.iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
2509                 [reinstalling addObject:name];
2510             else if (state.Upgrade())
2511                 [upgrading addObject:name];
2512             else if (state.Downgrade())
2513                 [downgrading addObject:name];
2514             else if (state.Delete()) {
2515                 if ([package essential])
2516                     remove = true;
2517                 [removing addObject:name];
2518             } else continue;
2519
2520             substrate_ |= DepSubstrate(policy->GetCandidateVer(iterator));
2521             substrate_ |= DepSubstrate(iterator.CurrentVer());
2522         }
2523
2524         if (!remove)
2525             essential_ = nil;
2526         else if (Advanced_ || true) {
2527             essential_ = [[UIActionSheet alloc]
2528                 initWithTitle:@"Removing Essentials"
2529                 buttons:[NSArray arrayWithObjects:
2530                     @"Cancel Operation (Safe)",
2531                     @"Force Removal (Unsafe)",
2532                 nil]
2533                 defaultButtonIndex:0
2534                 delegate:self
2535                 context:@"remove"
2536             ];
2537
2538 #ifndef __OBJC2__
2539             [essential_ setDestructiveButton:[[essential_ buttons] objectAtIndex:0]];
2540 #endif
2541             [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."];
2542         } else {
2543             essential_ = [[UIActionSheet alloc]
2544                 initWithTitle:@"Unable to Comply"
2545                 buttons:[NSArray arrayWithObjects:@"Okay", nil]
2546                 defaultButtonIndex:0
2547                 delegate:self
2548                 context:@"unable"
2549             ];
2550
2551             [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."];
2552         }
2553
2554         changes_ = [[NSArray alloc] initWithObjects:
2555             installing,
2556             reinstalling,
2557             upgrading,
2558             downgrading,
2559             removing,
2560         nil];
2561
2562         issues_ = [database_ issues];
2563         if (issues_ != nil)
2564             issues_ = [issues_ retain];
2565
2566         sizes_ = [[NSArray alloc] initWithObjects:
2567             SizeString([database_ fetcher].FetchNeeded()),
2568             SizeString([database_ fetcher].PartialPresent()),
2569             SizeString([database_ cache]->UsrSize()),
2570         nil];
2571
2572         [self loadURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"confirm" ofType:@"html"]]];
2573     } return self;
2574 }
2575
2576 // XXX: replace with <title/>
2577 - (NSString *) title {
2578     return issues_ == nil ? @"Confirm Changes" : @"Cannot Comply";
2579 }
2580
2581 - (NSString *) backButtonTitle {
2582     return @"Confirm";
2583 }
2584
2585 - (NSString *) leftButtonTitle {
2586     return @"Cancel";
2587 }
2588
2589 - (NSString *) _rightButtonTitle {
2590     return issues_ == nil ? @"Confirm" : nil;
2591 }
2592
2593 - (void) _leftButtonClicked {
2594     [self cancel];
2595 }
2596
2597 - (void) _rightButtonClicked {
2598     if (essential_ != nil)
2599         [essential_ popupAlertAnimated:YES];
2600     else {
2601         if (substrate_)
2602             Finish_ = 2;
2603         [delegate_ confirm];
2604     }
2605 }
2606
2607 @end
2608 /* }}} */
2609
2610 /* Progress Data {{{ */
2611 @interface ProgressData : NSObject {
2612     SEL selector_;
2613     id target_;
2614     id object_;
2615 }
2616
2617 - (ProgressData *) initWithSelector:(SEL)selector target:(id)target object:(id)object;
2618
2619 - (SEL) selector;
2620 - (id) target;
2621 - (id) object;
2622 @end
2623
2624 @implementation ProgressData
2625
2626 - (ProgressData *) initWithSelector:(SEL)selector target:(id)target object:(id)object {
2627     if ((self = [super init]) != nil) {
2628         selector_ = selector;
2629         target_ = target;
2630         object_ = object;
2631     } return self;
2632 }
2633
2634 - (SEL) selector {
2635     return selector_;
2636 }
2637
2638 - (id) target {
2639     return target_;
2640 }
2641
2642 - (id) object {
2643     return object_;
2644 }
2645
2646 @end
2647 /* }}} */
2648 /* Progress View {{{ */
2649 @interface ProgressView : UIView <
2650     ConfigurationDelegate,
2651     ProgressDelegate
2652 > {
2653     _transient Database *database_;
2654     UIView *view_;
2655     UIView *background_;
2656     UITransitionView *transition_;
2657     UIView *overlay_;
2658     UINavigationBar *navbar_;
2659     UIProgressBar *progress_;
2660     UITextView *output_;
2661     UITextLabel *status_;
2662     UIPushButton *close_;
2663     id delegate_;
2664     BOOL running_;
2665     SHA1SumValue springlist_;
2666     SHA1SumValue sandplate_;
2667     size_t received_;
2668     NSTimeInterval last_;
2669 }
2670
2671 - (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to;
2672
2673 - (id) initWithFrame:(struct CGRect)frame database:(Database *)database delegate:(id)delegate;
2674 - (void) setContentView:(UIView *)view;
2675 - (void) resetView;
2676
2677 - (void) _retachThread;
2678 - (void) _detachNewThreadData:(ProgressData *)data;
2679 - (void) detachNewThreadSelector:(SEL)selector toTarget:(id)target withObject:(id)object title:(NSString *)title;
2680
2681 - (BOOL) isRunning;
2682
2683 @end
2684
2685 @protocol ProgressViewDelegate
2686 - (void) progressViewIsComplete:(ProgressView *)sender;
2687 @end
2688
2689 @implementation ProgressView
2690
2691 - (void) dealloc {
2692     [transition_ setDelegate:nil];
2693     [navbar_ setDelegate:nil];
2694
2695     [view_ release];
2696     if (background_ != nil)
2697         [background_ release];
2698     [transition_ release];
2699     [overlay_ release];
2700     [navbar_ release];
2701     [progress_ release];
2702     [output_ release];
2703     [status_ release];
2704     [close_ release];
2705     [super dealloc];
2706 }
2707
2708 - (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to {
2709     if (bootstrap_ && from == overlay_ && to == view_)
2710         exit(0);
2711 }
2712
2713 - (id) initWithFrame:(struct CGRect)frame database:(Database *)database delegate:(id)delegate {
2714     if ((self = [super initWithFrame:frame]) != nil) {
2715         database_ = database;
2716         delegate_ = delegate;
2717
2718         transition_ = [[UITransitionView alloc] initWithFrame:[self bounds]];
2719         [transition_ setDelegate:self];
2720
2721         overlay_ = [[UIView alloc] initWithFrame:[transition_ bounds]];
2722
2723         if (bootstrap_)
2724             [overlay_ setBackgroundColor:[UIColor blackColor]];
2725         else {
2726             background_ = [[UIView alloc] initWithFrame:[self bounds]];
2727             [background_ setBackgroundColor:[UIColor blackColor]];
2728             [self addSubview:background_];
2729         }
2730
2731         [self addSubview:transition_];
2732
2733         CGSize navsize = [UINavigationBar defaultSize];
2734         CGRect navrect = {{0, 0}, navsize};
2735
2736         navbar_ = [[UINavigationBar alloc] initWithFrame:navrect];
2737         [overlay_ addSubview:navbar_];
2738
2739         [navbar_ setBarStyle:1];
2740         [navbar_ setDelegate:self];
2741
2742         UINavigationItem *navitem = [[[UINavigationItem alloc] initWithTitle:nil] autorelease];
2743         [navbar_ pushNavigationItem:navitem];
2744
2745         CGRect bounds = [overlay_ bounds];
2746         CGSize prgsize = [UIProgressBar defaultSize];
2747
2748         CGRect prgrect = {{
2749             (bounds.size.width - prgsize.width) / 2,
2750             bounds.size.height - prgsize.height - 20
2751         }, prgsize};
2752
2753         progress_ = [[UIProgressBar alloc] initWithFrame:prgrect];
2754         [progress_ setStyle:0];
2755
2756         status_ = [[UITextLabel alloc] initWithFrame:CGRectMake(
2757             10,
2758             bounds.size.height - prgsize.height - 50,
2759             bounds.size.width - 20,
2760             24
2761         )];
2762
2763         [status_ setColor:[UIColor whiteColor]];
2764         [status_ setBackgroundColor:[UIColor clearColor]];
2765
2766         [status_ setCentersHorizontally:YES];
2767         //[status_ setFont:font];
2768
2769         output_ = [[UITextView alloc] initWithFrame:CGRectMake(
2770             10,
2771             navrect.size.height + 20,
2772             bounds.size.width - 20,
2773             bounds.size.height - navsize.height - 62 - navrect.size.height
2774         )];
2775
2776         //[output_ setTextFont:@"Courier New"];
2777         [output_ setTextSize:12];
2778
2779         [output_ setTextColor:[UIColor whiteColor]];
2780         [output_ setBackgroundColor:[UIColor clearColor]];
2781
2782         [output_ setMarginTop:0];
2783         [output_ setAllowsRubberBanding:YES];
2784         [output_ setEditable:NO];
2785
2786         [overlay_ addSubview:output_];
2787
2788         close_ = [[UIPushButton alloc] initWithFrame:CGRectMake(
2789             10,
2790             bounds.size.height - prgsize.height - 50,
2791             bounds.size.width - 20,
2792             32 + prgsize.height
2793         )];
2794
2795         [close_ setAutosizesToFit:NO];
2796         [close_ setDrawsShadow:YES];
2797         [close_ setStretchBackground:YES];
2798         [close_ setEnabled:YES];
2799
2800         UIFont *bold = [UIFont boldSystemFontOfSize:22];
2801         [close_ setTitleFont:bold];
2802
2803         [close_ addTarget:self action:@selector(closeButtonPushed) forEvents:kUIControlEventMouseUpInside];
2804         [close_ setBackground:[UIImage applicationImageNamed:@"green-up.png"] forState:0];
2805         [close_ setBackground:[UIImage applicationImageNamed:@"green-dn.png"] forState:1];
2806     } return self;
2807 }
2808
2809 - (void) setContentView:(UIView *)view {
2810     view_ = [view retain];
2811 }
2812
2813 - (void) resetView {
2814     [transition_ transition:6 toView:view_];
2815 }
2816
2817 - (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
2818     NSString *context = [sheet context];
2819     if ([context isEqualToString:@"conffile"]) {
2820         FILE *input = [database_ input];
2821
2822         switch (button) {
2823             case 1:
2824                 fprintf(input, "N\n");
2825                 fflush(input);
2826                 break;
2827             case 2:
2828                 fprintf(input, "Y\n");
2829                 fflush(input);
2830                 break;
2831             default:
2832                 _assert(false);
2833         }
2834     }
2835
2836     [sheet dismiss];
2837 }
2838
2839 - (void) closeButtonPushed {
2840     running_ = NO;
2841
2842     switch (Finish_) {
2843         case 0:
2844             [self resetView];
2845         break;
2846
2847         case 1:
2848             [delegate_ suspendWithAnimation:YES];
2849         break;
2850
2851         case 2:
2852             system("launchctl stop com.apple.SpringBoard");
2853         break;
2854
2855         case 3:
2856             system("launchctl unload "SpringBoard_"; launchctl load "SpringBoard_);
2857         break;
2858
2859         case 4:
2860             system("reboot");
2861         break;
2862     }
2863 }
2864
2865 - (void) _retachThread {
2866     UINavigationItem *item = [navbar_ topItem];
2867     [item setTitle:@"Complete"];
2868
2869     [overlay_ addSubview:close_];
2870     [progress_ removeFromSuperview];
2871     [status_ removeFromSuperview];
2872
2873     [delegate_ progressViewIsComplete:self];
2874
2875     if (Finish_ < 4) {
2876         FileFd file(SandboxTemplate_, FileFd::ReadOnly);
2877         MMap mmap(file, MMap::ReadOnly);
2878         SHA1Summation sha1;
2879         sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
2880         if (!(sandplate_ == sha1.Result()))
2881             Finish_ = 4;
2882     }
2883
2884     if (Finish_ < 3) {
2885         FileFd file(SpringBoard_, FileFd::ReadOnly);
2886         MMap mmap(file, MMap::ReadOnly);
2887         SHA1Summation sha1;
2888         sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
2889         if (!(springlist_ == sha1.Result()))
2890             Finish_ = 3;
2891     }
2892
2893     switch (Finish_) {
2894         case 0: [close_ setTitle:@"Return to Cydia"]; break;
2895         case 1: [close_ setTitle:@"Close Cydia (Restart)"]; break;
2896         case 2: [close_ setTitle:@"Restart SpringBoard"]; break;
2897         case 3: [close_ setTitle:@"Reload SpringBoard"]; break;
2898         case 4: [close_ setTitle:@"Reboot Device"]; break;
2899     }
2900
2901 #define Cache_ "/User/Library/Caches/com.apple.mobile.installation.plist"
2902
2903     if (NSMutableDictionary *cache = [[NSMutableDictionary alloc] initWithContentsOfFile:@ Cache_]) {
2904         [cache autorelease];
2905
2906         NSFileManager *manager = [NSFileManager defaultManager];
2907         NSError *error = nil;
2908
2909         id system = [cache objectForKey:@"System"];
2910         if (system == nil)
2911             goto error;
2912
2913         struct stat info;
2914         if (stat(Cache_, &info) == -1)
2915             goto error;
2916
2917         [system removeAllObjects];
2918
2919         if (NSArray *apps = [manager contentsOfDirectoryAtPath:@"/Applications" error:&error]) {
2920             for (NSString *app in apps)
2921                 if ([app hasSuffix:@".app"]) {
2922                     NSString *path = [@"/Applications" stringByAppendingPathComponent:app];
2923                     NSString *plist = [path stringByAppendingPathComponent:@"Info.plist"];
2924                     if (NSMutableDictionary *info = [[NSMutableDictionary alloc] initWithContentsOfFile:plist]) {
2925                         [info autorelease];
2926                         [info setObject:path forKey:@"Path"];
2927                         [info setObject:@"System" forKey:@"ApplicationType"];
2928                         [system addInfoDictionary:info];
2929                     }
2930                 }
2931         } else goto error;
2932
2933         [cache writeToFile:@Cache_ atomically:YES];
2934
2935         if (chown(Cache_, info.st_uid, info.st_gid) == -1)
2936             goto error;
2937         if (chmod(Cache_, info.st_mode) == -1)
2938             goto error;
2939
2940         if (false) error:
2941             lprintf("%s\n", error == nil ? strerror(errno) : [[error localizedDescription] UTF8String]);
2942     }
2943
2944     notify_post("com.apple.mobile.application_installed");
2945
2946     [delegate_ setStatusBarShowsProgress:NO];
2947 }
2948
2949 - (void) _detachNewThreadData:(ProgressData *)data { _pooled
2950     [[data target] performSelector:[data selector] withObject:[data object]];
2951     [data release];
2952
2953     [self performSelectorOnMainThread:@selector(_retachThread) withObject:nil waitUntilDone:YES];
2954 }
2955
2956 - (void) detachNewThreadSelector:(SEL)selector toTarget:(id)target withObject:(id)object title:(NSString *)title {
2957     UINavigationItem *item = [navbar_ topItem];
2958     [item setTitle:title];
2959
2960     [status_ setText:nil];
2961     [output_ setText:@""];
2962     [progress_ setProgress:0];
2963
2964     received_ = 0;
2965     last_ = 0;//[NSDate timeIntervalSinceReferenceDate];
2966
2967     [close_ removeFromSuperview];
2968     [overlay_ addSubview:progress_];
2969     [overlay_ addSubview:status_];
2970
2971     [delegate_ setStatusBarShowsProgress:YES];
2972     running_ = YES;
2973
2974     {
2975         FileFd file(SandboxTemplate_, FileFd::ReadOnly);
2976         MMap mmap(file, MMap::ReadOnly);
2977         SHA1Summation sha1;
2978         sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
2979         sandplate_ = sha1.Result();
2980     }
2981
2982     {
2983         FileFd file(SpringBoard_, FileFd::ReadOnly);
2984         MMap mmap(file, MMap::ReadOnly);
2985         SHA1Summation sha1;
2986         sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
2987         springlist_ = sha1.Result();
2988     }
2989
2990     [transition_ transition:6 toView:overlay_];
2991
2992     [NSThread
2993         detachNewThreadSelector:@selector(_detachNewThreadData:)
2994         toTarget:self
2995         withObject:[[ProgressData alloc]
2996             initWithSelector:selector
2997             target:target
2998             object:object
2999         ]
3000     ];
3001 }
3002
3003 - (void) repairWithSelector:(SEL)selector {
3004     [self
3005         detachNewThreadSelector:selector
3006         toTarget:database_
3007         withObject:nil
3008         title:@"Repairing"
3009     ];
3010 }
3011
3012 - (void) setConfigurationData:(NSString *)data {
3013     [self
3014         performSelectorOnMainThread:@selector(_setConfigurationData:)
3015         withObject:data
3016         waitUntilDone:YES
3017     ];
3018 }
3019
3020 - (void) setProgressError:(NSString *)error forPackage:(NSString *)id {
3021     Package *package = id == nil ? nil : [database_ packageWithName:id];
3022
3023     UIActionSheet *sheet = [[[UIActionSheet alloc]
3024         initWithTitle:(package == nil ? id : [package name])
3025         buttons:[NSArray arrayWithObjects:@"Okay", nil]
3026         defaultButtonIndex:0
3027         delegate:self
3028         context:@"error"
3029     ] autorelease];
3030
3031     [sheet setBodyText:error];
3032     [sheet popupAlertAnimated:YES];
3033 }
3034
3035 - (void) setProgressTitle:(NSString *)title {
3036     [self
3037         performSelectorOnMainThread:@selector(_setProgressTitle:)
3038         withObject:title
3039         waitUntilDone:YES
3040     ];
3041 }
3042
3043 - (void) setProgressPercent:(float)percent {
3044     [self
3045         performSelectorOnMainThread:@selector(_setProgressPercent:)
3046         withObject:[NSNumber numberWithFloat:percent]
3047         waitUntilDone:YES
3048     ];
3049 }
3050
3051 - (void) startProgress {
3052     last_ = [NSDate timeIntervalSinceReferenceDate];
3053 }
3054
3055 - (void) addProgressOutput:(NSString *)output {
3056     [self
3057         performSelectorOnMainThread:@selector(_addProgressOutput:)
3058         withObject:output
3059         waitUntilDone:YES
3060     ];
3061 }
3062
3063 - (bool) isCancelling:(size_t)received {
3064     if (last_ != 0) {
3065         NSTimeInterval now = [NSDate timeIntervalSinceReferenceDate];
3066         if (received_ != received) {
3067             received_ = received;
3068             last_ = now;
3069         } else if (now - last_ > 30)
3070             return true;
3071     }
3072
3073     return false;
3074 }
3075
3076 - (void) _setConfigurationData:(NSString *)data {
3077     static Pcre conffile_r("^'(.*)' '(.*)' ([01]) ([01])$");
3078
3079     _assert(conffile_r(data));
3080
3081     NSString *ofile = conffile_r[1];
3082     //NSString *nfile = conffile_r[2];
3083
3084     UIActionSheet *sheet = [[[UIActionSheet alloc]
3085         initWithTitle:@"Configuration Upgrade"
3086         buttons:[NSArray arrayWithObjects:
3087             @"Keep My Old Copy",
3088             @"Accept The New Copy",
3089             // XXX: @"See What Changed",
3090         nil]
3091         defaultButtonIndex:0
3092         delegate:self
3093         context:@"conffile"
3094     ] autorelease];
3095
3096     [sheet setBodyText:[NSString stringWithFormat:
3097         @"The following file has been changed by both the package maintainer and by you (or for you by a script).\n\n%@"
3098     , ofile]];
3099
3100     [sheet popupAlertAnimated:YES];
3101 }
3102
3103 - (void) _setProgressTitle:(NSString *)title {
3104     [status_ setText:title];
3105 }
3106
3107 - (void) _setProgressPercent:(NSNumber *)percent {
3108     [progress_ setProgress:[percent floatValue]];
3109 }
3110
3111 - (void) _addProgressOutput:(NSString *)output {
3112     [output_ setText:[NSString stringWithFormat:@"%@\n%@", [output_ text], output]];
3113     CGSize size = [output_ contentSize];
3114     CGRect rect = {{0, size.height}, {size.width, 0}};
3115     [output_ scrollRectToVisible:rect animated:YES];
3116 }
3117
3118 - (BOOL) isRunning {
3119     return running_;
3120 }
3121
3122 @end
3123 /* }}} */
3124
3125 /* Package Cell {{{ */
3126 @interface PackageCell : UISimpleTableCell {
3127     UIImage *icon_;
3128     NSString *name_;
3129     NSString *description_;
3130     NSString *source_;
3131     UIImage *badge_;
3132 #ifdef USE_BADGES
3133     UITextLabel *status_;
3134 #endif
3135 }
3136
3137 - (PackageCell *) init;
3138 - (void) setPackage:(Package *)package;
3139
3140 + (int) heightForPackage:(Package *)package;
3141
3142 @end
3143
3144 @implementation PackageCell
3145
3146 - (void) clearPackage {
3147     if (icon_ != nil) {
3148         [icon_ release];
3149         icon_ = nil;
3150     }
3151
3152     if (name_ != nil) {
3153         [name_ release];
3154         name_ = nil;
3155     }
3156
3157     if (description_ != nil) {
3158         [description_ release];
3159         description_ = nil;
3160     }
3161
3162     if (source_ != nil) {
3163         [source_ release];
3164         source_ = nil;
3165     }
3166
3167     if (badge_ != nil) {
3168         [badge_ release];
3169         badge_ = nil;
3170     }
3171 }
3172
3173 - (void) dealloc {
3174     [self clearPackage];
3175 #ifdef USE_BADGES
3176     [status_ release];
3177 #endif
3178     [super dealloc];
3179 }
3180
3181 - (PackageCell *) init {
3182     if ((self = [super init]) != nil) {
3183 #ifdef USE_BADGES
3184         status_ = [[UITextLabel alloc] initWithFrame:CGRectMake(48, 68, 280, 20)];
3185         [status_ setBackgroundColor:[UIColor clearColor]];
3186         [status_ setFont:small];
3187 #endif
3188     } return self;
3189 }
3190
3191 - (void) setPackage:(Package *)package {
3192     [self clearPackage];
3193
3194     Source *source = [package source];
3195     NSString *section = [package section];
3196     if (section != nil)
3197         section = Simplify(section);
3198
3199     icon_ = nil;
3200     if (NSString *icon = [package icon])
3201         icon_ = [UIImage imageAtPath:[icon substringFromIndex:6]];
3202     if (icon_ == nil) if (section != nil)
3203         icon_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]];
3204     if (icon_ == nil) if (NSString *icon = [source defaultIcon])
3205         icon_ = [UIImage imageAtPath:[icon substringFromIndex:6]];
3206     if (icon_ == nil)
3207         icon_ = [UIImage applicationImageNamed:@"unknown.png"];
3208
3209     icon_ = [icon_ retain];
3210
3211     name_ = [[package name] retain];
3212     description_ = [[package tagline] retain];
3213
3214     NSString *label = nil;
3215     bool trusted = false;
3216
3217     if (source != nil) {
3218         label = [source label];
3219         trusted = [source trusted];
3220     } else if ([[package id] isEqualToString:@"firmware"])
3221         label = @"Apple";
3222     else
3223         label = @"Unknown/Local";
3224
3225     NSString *from = [NSString stringWithFormat:@"from %@", label];
3226
3227     if (section != nil && ![section isEqualToString:label])
3228         from = [from stringByAppendingString:[NSString stringWithFormat:@" (%@)", section]];
3229
3230     source_ = [from retain];
3231
3232     if (NSString *purpose = [package primaryPurpose])
3233         if ((badge_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Purposes/%@.png", App_, purpose]]) != nil)
3234             badge_ = [badge_ retain];
3235
3236 #ifdef USE_BADGES
3237     if (NSString *mode = [package mode]) {
3238         [badge_ setImage:[UIImage applicationImageNamed:
3239             [mode isEqualToString:@"Remove"] || [mode isEqualToString:@"Purge"] ? @"removing.png" : @"installing.png"
3240         ]];
3241
3242         [status_ setText:[NSString stringWithFormat:@"Queued for %@", mode]];
3243         [status_ setColor:[UIColor colorWithCGColor:Blueish_]];
3244     } else if ([package half]) {
3245         [badge_ setImage:[UIImage applicationImageNamed:@"damaged.png"]];
3246         [status_ setText:@"Package Damaged"];
3247         [status_ setColor:[UIColor redColor]];
3248     } else {
3249         [badge_ setImage:nil];
3250         [status_ setText:nil];
3251     }
3252 #endif
3253 }
3254
3255 - (void) drawContentInRect:(CGRect)rect selected:(BOOL)selected {
3256     if (icon_ != nil) {
3257         CGRect rect;
3258         rect.size = [icon_ size];
3259
3260         rect.size.width /= 2;
3261         rect.size.height /= 2;
3262
3263         rect.origin.x = 25 - rect.size.width / 2;
3264         rect.origin.y = 25 - rect.size.height / 2;
3265
3266         [icon_ drawInRect:rect];
3267     }
3268
3269     if (badge_ != nil) {
3270         CGSize size = [badge_ size];
3271
3272         [badge_ drawAtPoint:CGPointMake(
3273             36 - size.width / 2,
3274             36 - size.height / 2
3275         )];
3276     }
3277
3278     if (selected)
3279         UISetColor(White_);
3280
3281     if (!selected)
3282         UISetColor(Black_);
3283     [name_ drawAtPoint:CGPointMake(48, 8) forWidth:240 withFont:Font18Bold_ ellipsis:2];
3284     [source_ drawAtPoint:CGPointMake(58, 29) forWidth:225 withFont:Font12_ ellipsis:2];
3285
3286     if (!selected)
3287         UISetColor(Gray_);
3288     [description_ drawAtPoint:CGPointMake(12, 46) forWidth:280 withFont:Font14_ ellipsis:2];
3289
3290     [super drawContentInRect:rect selected:selected];
3291 }
3292
3293 + (int) heightForPackage:(Package *)package {
3294     NSString *tagline([package tagline]);
3295     int height = tagline == nil || [tagline length] == 0 ? -17 : 0;
3296 #ifdef USE_BADGES
3297     if ([package hasMode] || [package half])
3298         return height + 96;
3299     else
3300 #endif
3301         return height + 73;
3302 }
3303
3304 @end
3305 /* }}} */
3306 /* Section Cell {{{ */
3307 @interface SectionCell : UISimpleTableCell {
3308     NSString *section_;
3309     NSString *name_;
3310     NSString *count_;
3311     UIImage *icon_;
3312     _UISwitchSlider *switch_;
3313     BOOL editing_;
3314 }
3315
3316 - (id) init;
3317 - (void) setSection:(Section *)section editing:(BOOL)editing;
3318
3319 @end
3320
3321 @implementation SectionCell
3322
3323 - (void) clearSection {
3324     if (section_ != nil) {
3325         [section_ release];
3326         section_ = nil;
3327     }
3328
3329     if (name_ != nil) {
3330         [name_ release];
3331         name_ = nil;
3332     }
3333
3334     if (count_ != nil) {
3335         [count_ release];
3336         count_ = nil;
3337     }
3338 }
3339
3340 - (void) dealloc {
3341     [self clearSection];
3342     [icon_ release];
3343     [switch_ release];
3344     [super dealloc];
3345 }
3346
3347 - (id) init {
3348     if ((self = [super init]) != nil) {
3349         icon_ = [[UIImage applicationImageNamed:@"folder.png"] retain];
3350
3351         switch_ = [[_UISwitchSlider alloc] initWithFrame:CGRectMake(218, 9, 60, 25)];
3352         [switch_ addTarget:self action:@selector(onSwitch:) forEvents:kUIControlEventMouseUpInside];
3353     } return self;
3354 }
3355
3356 - (void) onSwitch:(id)sender {
3357     NSMutableDictionary *metadata = [Sections_ objectForKey:section_];
3358     if (metadata == nil) {
3359         metadata = [NSMutableDictionary dictionaryWithCapacity:2];
3360         [Sections_ setObject:metadata forKey:section_];
3361     }
3362
3363     Changed_ = true;
3364     [metadata setObject:[NSNumber numberWithBool:([switch_ value] == 0)] forKey:@"Hidden"];
3365 }
3366
3367 - (void) setSection:(Section *)section editing:(BOOL)editing {
3368     if (editing != editing_) {
3369         if (editing_)
3370             [switch_ removeFromSuperview];
3371         else
3372             [self addSubview:switch_];
3373         editing_ = editing;
3374     }
3375
3376     [self clearSection];
3377
3378     if (section == nil) {
3379         name_ = [@"All Packages" retain];
3380         count_ = nil;
3381     } else {
3382         section_ = [section name];
3383         if (section_ != nil)
3384             section_ = [section_ retain];
3385         name_  = [(section_ == nil ? @"(No Section)" : section_) retain];
3386         count_ = [[NSString stringWithFormat:@"%d", [section count]] retain];
3387
3388         if (editing_)
3389             [switch_ setValue:isSectionVisible(section_) animated:NO];
3390     }
3391 }
3392
3393 - (void) drawContentInRect:(CGRect)rect selected:(BOOL)selected {
3394     [icon_ drawInRect:CGRectMake(8, 7, 32, 32)];
3395
3396     if (selected)
3397         UISetColor(White_);
3398
3399     if (!selected)
3400         UISetColor(Black_);
3401     [name_ drawAtPoint:CGPointMake(48, 9) forWidth:(editing_ ? 164 : 250) withFont:Font22Bold_ ellipsis:2];
3402
3403     CGSize size = [count_ sizeWithFont:Font14_];
3404
3405     UISetColor(White_);
3406     if (count_ != nil)
3407         [count_ drawAtPoint:CGPointMake(13 + (29 - size.width) / 2, 16) withFont:Font12Bold_];
3408
3409     [super drawContentInRect:rect selected:selected];
3410 }
3411
3412 @end
3413 /* }}} */
3414
3415 /* File Table {{{ */
3416 @interface FileTable : RVPage {
3417     _transient Database *database_;
3418     Package *package_;
3419     NSString *name_;
3420     NSMutableArray *files_;
3421     UITable *list_;
3422 }
3423
3424 - (id) initWithBook:(RVBook *)book database:(Database *)database;
3425 - (void) setPackage:(Package *)package;
3426
3427 @end
3428
3429 @implementation FileTable
3430
3431 - (void) dealloc {
3432     if (package_ != nil)
3433         [package_ release];
3434     if (name_ != nil)
3435         [name_ release];
3436     [files_ release];
3437     [list_ release];
3438     [super dealloc];
3439 }
3440
3441 - (int) numberOfRowsInTable:(UITable *)table {
3442     return files_ == nil ? 0 : [files_ count];
3443 }
3444
3445 - (float) table:(UITable *)table heightForRow:(int)row {
3446     return 24;
3447 }
3448
3449 - (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col reusing:(UITableCell *)reusing {
3450     if (reusing == nil) {
3451         reusing = [[[UIImageAndTextTableCell alloc] init] autorelease];
3452         UIFont *font = [UIFont systemFontOfSize:16];
3453         [[(UIImageAndTextTableCell *)reusing titleTextLabel] setFont:font];
3454     }
3455     [(UIImageAndTextTableCell *)reusing setTitle:[files_ objectAtIndex:row]];
3456     return reusing;
3457 }
3458
3459 - (BOOL) table:(UITable *)table canSelectRow:(int)row {
3460     return NO;
3461 }
3462
3463 - (id) initWithBook:(RVBook *)book database:(Database *)database {
3464     if ((self = [super initWithBook:book]) != nil) {
3465         database_ = database;
3466
3467         files_ = [[NSMutableArray arrayWithCapacity:32] retain];
3468
3469         list_ = [[UITable alloc] initWithFrame:[self bounds]];
3470         [self addSubview:list_];
3471
3472         UITableColumn *column = [[[UITableColumn alloc]
3473             initWithTitle:@"Name"
3474             identifier:@"name"
3475             width:[self frame].size.width
3476         ] autorelease];
3477
3478         [list_ setDataSource:self];
3479         [list_ setSeparatorStyle:1];
3480         [list_ addTableColumn:column];
3481         [list_ setDelegate:self];
3482         [list_ setReusesTableCells:YES];
3483     } return self;
3484 }
3485
3486 - (void) setPackage:(Package *)package {
3487     if (package_ != nil) {
3488         [package_ autorelease];
3489         package_ = nil;
3490     }
3491
3492     if (name_ != nil) {
3493         [name_ release];
3494         name_ = nil;
3495     }
3496
3497     [files_ removeAllObjects];
3498
3499     if (package != nil) {
3500         package_ = [package retain];
3501         name_ = [[package id] retain];
3502
3503         if (NSArray *files = [package files])
3504             [files_ addObjectsFromArray:files];
3505
3506         if ([files_ count] != 0) {
3507             if ([[files_ objectAtIndex:0] isEqualToString:@"/."])
3508                 [files_ removeObjectAtIndex:0];
3509             [files_ sortUsingSelector:@selector(compareByPath:)];
3510
3511             NSMutableArray *stack = [NSMutableArray arrayWithCapacity:8];
3512             [stack addObject:@"/"];
3513
3514             for (int i(0), e([files_ count]); i != e; ++i) {
3515                 NSString *file = [files_ objectAtIndex:i];
3516                 while (![file hasPrefix:[stack lastObject]])
3517                     [stack removeLastObject];
3518                 NSString *directory = [stack lastObject];
3519                 [stack addObject:[file stringByAppendingString:@"/"]];
3520                 [files_ replaceObjectAtIndex:i withObject:[NSString stringWithFormat:@"%*s%@",
3521                     ([stack count] - 2) * 3, "",
3522                     [file substringFromIndex:[directory length]]
3523                 ]];
3524             }
3525         }
3526     }
3527
3528     [list_ reloadData];
3529 }
3530
3531 - (void) resetViewAnimated:(BOOL)animated {
3532     [list_ resetViewAnimated:animated];
3533 }
3534
3535 - (void) reloadData {
3536     [self setPackage:[database_ packageWithName:name_]];
3537     [self reloadButtons];
3538 }
3539
3540 - (NSString *) title {
3541     return @"Installed Files";
3542 }
3543
3544 - (NSString *) backButtonTitle {
3545     return @"Files";
3546 }
3547
3548 @end
3549 /* }}} */
3550 /* Package View {{{ */
3551 @interface PackageView : BrowserView {
3552     Package *package_;
3553     NSString *name_;
3554     NSMutableArray *buttons_;
3555 }
3556
3557 - (id) initWithBook:(RVBook *)book database:(Database *)database;
3558 - (void) setPackage:(Package *)package;
3559
3560 @end
3561
3562 @implementation PackageView
3563
3564 - (void) dealloc {
3565     if (package_ != nil)
3566         [package_ release];
3567     if (name_ != nil)
3568         [name_ release];
3569     [buttons_ release];
3570     [super dealloc];
3571 }
3572
3573 - (void) _clickButtonWithName:(NSString *)name {
3574     if ([name isEqualToString:@"Install"])
3575         [delegate_ installPackage:package_];
3576     else if ([name isEqualToString:@"Reinstall"])
3577         [delegate_ installPackage:package_];
3578     else if ([name isEqualToString:@"Remove"])
3579         [delegate_ removePackage:package_];
3580     else if ([name isEqualToString:@"Upgrade"])
3581         [delegate_ installPackage:package_];
3582     else _assert(false);
3583 }
3584
3585 - (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
3586     int count = [buttons_ count];
3587     _assert(count != 0);
3588     _assert(button <= count + 1);
3589
3590     if (count != button - 1)
3591         [self _clickButtonWithName:[buttons_ objectAtIndex:(button - 1)]];
3592
3593     [sheet dismiss];
3594 }
3595
3596 - (void) webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame {
3597     [[frame windowObject] evaluateWebScript:@"document.base.target = '_top'"];
3598     return [super webView:sender didFinishLoadForFrame:frame];
3599 }
3600
3601 - (void) webView:(WebView *)sender didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
3602     [window setValue:package_ forKey:@"package"];
3603     [super webView:sender didClearWindowObject:window forFrame:frame];
3604 }
3605
3606 #if 0
3607 - (void) _rightButtonClicked {
3608     /*[super _rightButtonClicked];
3609     return;*/
3610
3611     int count = [buttons_ count];
3612     _assert(count != 0);
3613
3614     if (count == 1)
3615         [self _clickButtonWithName:[buttons_ objectAtIndex:0]];
3616     else {
3617         NSMutableArray *buttons = [NSMutableArray arrayWithCapacity:(count + 1)];
3618         [buttons addObjectsFromArray:buttons_];
3619         [buttons addObject:@"Cancel"];
3620
3621         [delegate_ slideUp:[[[UIActionSheet alloc]
3622             initWithTitle:nil
3623             buttons:buttons
3624             defaultButtonIndex:2
3625             delegate:self
3626             context:@"manage"
3627         ] autorelease]];
3628     }
3629 }
3630 #endif
3631
3632 - (NSString *) _rightButtonTitle {
3633     int count = [buttons_ count];
3634     return count == 0 ? nil : count != 1 ? @"Modify" : [buttons_ objectAtIndex:0];
3635 }
3636
3637 - (NSString *) backButtonTitle {
3638     return @"Details";
3639 }
3640
3641 - (id) initWithBook:(RVBook *)book database:(Database *)database {
3642     if ((self = [super initWithBook:book database:database]) != nil) {
3643         database_ = database;
3644         buttons_ = [[NSMutableArray alloc] initWithCapacity:4];
3645     } return self;
3646 }
3647
3648 - (void) setPackage:(Package *)package {
3649     if (package_ != nil) {
3650         [package_ autorelease];
3651         package_ = nil;
3652     }
3653
3654     if (name_ != nil) {
3655         [name_ release];
3656         name_ = nil;
3657     }
3658
3659     [buttons_ removeAllObjects];
3660
3661     if (package != nil) {
3662         package_ = [package retain];
3663         name_ = [[package id] retain];
3664
3665         [self loadURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"package" ofType:@"html"]]];
3666
3667         if ([package_ source] == nil);
3668         else if ([package_ upgradableAndEssential:NO])
3669             [buttons_ addObject:@"Upgrade"];
3670         else if ([package_ installed] == nil)
3671             [buttons_ addObject:@"Install"];
3672         else
3673             [buttons_ addObject:@"Reinstall"];
3674         if ([package_ installed] != nil)
3675             [buttons_ addObject:@"Remove"];
3676     }
3677 }
3678
3679 - (void) reloadData {
3680     [self setPackage:[database_ packageWithName:name_]];
3681     [self reloadButtons];
3682 }
3683
3684 @end
3685 /* }}} */
3686 /* Package Table {{{ */
3687 @interface PackageTable : RVPage {
3688     _transient Database *database_;
3689     NSString *title_;
3690     SEL filter_;
3691     id object_;
3692     NSMutableArray *packages_;
3693     NSMutableArray *sections_;
3694     UISectionList *list_;
3695 }
3696
3697 - (id) initWithBook:(RVBook *)book database:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object;
3698
3699 - (void) setDelegate:(id)delegate;
3700 - (void) setObject:(id)object;
3701
3702 - (void) reloadData;
3703 - (void) resetCursor;
3704
3705 - (UISectionList *) list;
3706
3707 - (void) setShouldHideHeaderInShortLists:(BOOL)hide;
3708
3709 @end
3710
3711 @implementation PackageTable
3712
3713 - (void) dealloc {
3714     [list_ setDataSource:nil];
3715
3716     [title_ release];
3717     if (object_ != nil)
3718         [object_ release];
3719     [packages_ release];
3720     [sections_ release];
3721     [list_ release];
3722     [super dealloc];
3723 }
3724
3725 - (int) numberOfSectionsInSectionList:(UISectionList *)list {
3726     return [sections_ count];
3727 }
3728
3729 - (NSString *) sectionList:(UISectionList *)list titleForSection:(int)section {
3730     return [[sections_ objectAtIndex:section] name];
3731 }
3732
3733 - (int) sectionList:(UISectionList *)list rowForSection:(int)section {
3734     return [[sections_ objectAtIndex:section] row];
3735 }
3736
3737 - (int) numberOfRowsInTable:(UITable *)table {
3738     return [packages_ count];
3739 }
3740
3741 - (float) table:(UITable *)table heightForRow:(int)row {
3742     return [PackageCell heightForPackage:[packages_ objectAtIndex:row]];
3743 }
3744
3745 - (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col reusing:(UITableCell *)reusing {
3746     if (reusing == nil)
3747         reusing = [[[PackageCell alloc] init] autorelease];
3748     [(PackageCell *)reusing setPackage:[packages_ objectAtIndex:row]];
3749     return reusing;
3750 }
3751
3752 - (BOOL) table:(UITable *)table showDisclosureForRow:(int)row {
3753     return NO;
3754 }
3755
3756 - (void) tableRowSelected:(NSNotification *)notification {
3757     int row = [[notification object] selectedRow];
3758     if (row == INT_MAX)
3759         return;
3760
3761     Package *package = [packages_ objectAtIndex:row];
3762     PackageView *view = [[[PackageView alloc] initWithBook:book_ database:database_] autorelease];
3763     [view setDelegate:delegate_];
3764     [view setPackage:package];
3765     [book_ pushPage:view];
3766 }
3767
3768 - (id) initWithBook:(RVBook *)book database:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object {
3769     if ((self = [super initWithBook:book]) != nil) {
3770         database_ = database;
3771         title_ = [title retain];
3772         filter_ = filter;
3773         object_ = object == nil ? nil : [object retain];
3774
3775         packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
3776         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
3777
3778         list_ = [[UISectionList alloc] initWithFrame:[self bounds] showSectionIndex:YES];
3779         [list_ setDataSource:self];
3780
3781         UITableColumn *column = [[[UITableColumn alloc]
3782             initWithTitle:@"Name"
3783             identifier:@"name"
3784             width:[self frame].size.width
3785         ] autorelease];
3786
3787         UITable *table = [list_ table];
3788         [table setSeparatorStyle:1];
3789         [table addTableColumn:column];
3790         [table setDelegate:self];
3791         [table setReusesTableCells:YES];
3792
3793         [self addSubview:list_];
3794         [self reloadData];
3795
3796         [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
3797         [list_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
3798     } return self;
3799 }
3800
3801 - (void) setDelegate:(id)delegate {
3802     delegate_ = delegate;
3803 }
3804
3805 - (void) setObject:(id)object {
3806     if (object_ != nil)
3807         [object_ release];
3808     if (object == nil)
3809         object_ = nil;
3810     else
3811         object_ = [object retain];
3812 }
3813
3814 - (void) reloadData {
3815     NSArray *packages = [database_ packages];
3816
3817     [packages_ removeAllObjects];
3818     [sections_ removeAllObjects];
3819
3820     for (size_t i(0); i != [packages count]; ++i) {
3821         Package *package([packages objectAtIndex:i]);
3822         if ([package valid] && [[package performSelector:filter_ withObject:object_] boolValue])
3823             [packages_ addObject:package];
3824     }
3825
3826     Section *section = nil;
3827
3828     for (size_t offset(0); offset != [packages_ count]; ++offset) {
3829         Package *package = [packages_ objectAtIndex:offset];
3830         NSString *name = [package index];
3831
3832         if (section == nil || ![[section name] isEqualToString:name]) {
3833             section = [[[Section alloc] initWithName:name row:offset] autorelease];
3834             [sections_ addObject:section];
3835         }
3836
3837         [section addToCount];
3838     }
3839
3840     [list_ reloadData];
3841 }
3842
3843 - (NSString *) title {
3844     return title_;
3845 }
3846
3847 - (void) resetViewAnimated:(BOOL)animated {
3848     [list_ resetViewAnimated:animated];
3849 }
3850
3851 - (void) resetCursor {
3852     [[list_ table] scrollPointVisibleAtTopLeft:CGPointMake(0, 0) animated:NO];
3853 }
3854
3855 - (UISectionList *) list {
3856     return list_;
3857 }
3858
3859 - (void) setShouldHideHeaderInShortLists:(BOOL)hide {
3860     [list_ setShouldHideHeaderInShortLists:hide];
3861 }
3862
3863 @end
3864 /* }}} */
3865
3866 /* Add Source View {{{ */
3867 @interface AddSourceView : RVPage {
3868     _transient Database *database_;
3869 }
3870
3871 - (id) initWithBook:(RVBook *)book database:(Database *)database;
3872
3873 @end
3874
3875 @implementation AddSourceView
3876
3877 - (id) initWithBook:(RVBook *)book database:(Database *)database {
3878     if ((self = [super initWithBook:book]) != nil) {
3879         database_ = database;
3880     } return self;
3881 }
3882
3883 @end
3884 /* }}} */
3885 /* Source Cell {{{ */
3886 @interface SourceCell : UITableCell {
3887     UIImage *icon_;
3888     NSString *origin_;
3889     NSString *description_;
3890     NSString *label_;
3891 }
3892
3893 - (void) dealloc;
3894
3895 - (SourceCell *) initWithSource:(Source *)source;
3896
3897 @end
3898
3899 @implementation SourceCell
3900
3901 - (void) dealloc {
3902     [icon_ release];
3903     [origin_ release];
3904     [description_ release];
3905     [label_ release];
3906     [super dealloc];
3907 }
3908
3909 - (SourceCell *) initWithSource:(Source *)source {
3910     if ((self = [super init]) != nil) {
3911         if (icon_ == nil)
3912             icon_ = [UIImage applicationImageNamed:[NSString stringWithFormat:@"Sources/%@.png", [source host]]];
3913         if (icon_ == nil)
3914             icon_ = [UIImage applicationImageNamed:@"unknown.png"];
3915         icon_ = [icon_ retain];
3916
3917         origin_ = [[source name] retain];
3918         label_ = [[source uri] retain];
3919         description_ = [[source description] retain];
3920     } return self;
3921 }
3922
3923 - (void) drawContentInRect:(CGRect)rect selected:(BOOL)selected {
3924     if (icon_ != nil)
3925         [icon_ drawInRect:CGRectMake(10, 10, 30, 30)];
3926
3927     if (selected)
3928         UISetColor(White_);
3929
3930     if (!selected)
3931         UISetColor(Black_);
3932     [origin_ drawAtPoint:CGPointMake(48, 8) forWidth:240 withFont:Font18Bold_ ellipsis:2];
3933
3934     if (!selected)
3935         UISetColor(Blue_);
3936     [label_ drawAtPoint:CGPointMake(58, 29) forWidth:225 withFont:Font12_ ellipsis:2];
3937
3938     if (!selected)
3939         UISetColor(Gray_);
3940     [description_ drawAtPoint:CGPointMake(12, 46) forWidth:280 withFont:Font14_ ellipsis:2];
3941
3942     [super drawContentInRect:rect selected:selected];
3943 }
3944
3945 @end
3946 /* }}} */
3947 /* Source Table {{{ */
3948 @interface SourceTable : RVPage {
3949     _transient Database *database_;
3950     UISectionList *list_;
3951     NSMutableArray *sources_;
3952     UIActionSheet *alert_;
3953     int offset_;
3954
3955     NSString *href_;
3956     UIProgressHUD *hud_;
3957     NSError *error_;
3958
3959     //NSURLConnection *installer_;
3960     NSURLConnection *trivial_bz2_;
3961     NSURLConnection *trivial_gz_;
3962     //NSURLConnection *automatic_;
3963
3964     BOOL trivial_;
3965 }
3966
3967 - (id) initWithBook:(RVBook *)book database:(Database *)database;
3968
3969 @end
3970
3971 @implementation SourceTable
3972
3973 - (void) _deallocConnection:(NSURLConnection *)connection {
3974     if (connection != nil) {
3975         [connection cancel];
3976         //[connection setDelegate:nil];
3977         [connection release];
3978     }
3979 }
3980
3981 - (void) dealloc {
3982     [[list_ table] setDelegate:nil];
3983     [list_ setDataSource:nil];
3984
3985     if (href_ != nil)
3986         [href_ release];
3987     if (hud_ != nil)
3988         [hud_ release];
3989     if (error_ != nil)
3990         [error_ release];
3991
3992     //[self _deallocConnection:installer_];
3993     [self _deallocConnection:trivial_gz_];
3994     [self _deallocConnection:trivial_bz2_];
3995     //[self _deallocConnection:automatic_];
3996
3997     [sources_ release];
3998     [list_ release];
3999     [super dealloc];
4000 }
4001
4002 - (int) numberOfSectionsInSectionList:(UISectionList *)list {
4003     return offset_ == 0 ? 1 : 2;
4004 }
4005
4006 - (NSString *) sectionList:(UISectionList *)list titleForSection:(int)section {
4007     switch (section + (offset_ == 0 ? 1 : 0)) {
4008         case 0: return @"Entered by User";
4009         case 1: return @"Installed by Packages";
4010
4011         default:
4012             _assert(false);
4013             return nil;
4014     }
4015 }
4016
4017 - (int) sectionList:(UISectionList *)list rowForSection:(int)section {
4018     switch (section + (offset_ == 0 ? 1 : 0)) {
4019         case 0: return 0;
4020         case 1: return offset_;
4021
4022         default:
4023             _assert(false);
4024             return -1;
4025     }
4026 }
4027
4028 - (int) numberOfRowsInTable:(UITable *)table {
4029     return [sources_ count];
4030 }
4031
4032 - (float) table:(UITable *)table heightForRow:(int)row {
4033     Source *source = [sources_ objectAtIndex:row];
4034     return [source description] == nil ? 56 : 73;
4035 }
4036
4037 - (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col {
4038     Source *source = [sources_ objectAtIndex:row];
4039     // XXX: weird warning, stupid selectors ;P
4040     return [[[SourceCell alloc] initWithSource:(id)source] autorelease];
4041 }
4042
4043 - (BOOL) table:(UITable *)table showDisclosureForRow:(int)row {
4044     return YES;
4045 }
4046
4047 - (BOOL) table:(UITable *)table canSelectRow:(int)row {
4048     return YES;
4049 }
4050
4051 - (void) tableRowSelected:(NSNotification*)notification {
4052     UITable *table([list_ table]);
4053     int row([table selectedRow]);
4054     if (row == INT_MAX)
4055         return;
4056
4057     Source *source = [sources_ objectAtIndex:row];
4058
4059     PackageTable *packages = [[[PackageTable alloc]
4060         initWithBook:book_
4061         database:database_
4062         title:[source label]
4063         filter:@selector(isVisibleInSource:)
4064         with:source
4065     ] autorelease];
4066
4067     [packages setDelegate:delegate_];
4068
4069     [book_ pushPage:packages];
4070 }
4071
4072 - (BOOL) table:(UITable *)table canDeleteRow:(int)row {
4073     Source *source = [sources_ objectAtIndex:row];
4074     return [source record] != nil;
4075 }
4076
4077 - (void) table:(UITable *)table willSwipeToDeleteRow:(int)row {
4078     [[list_ table] setDeleteConfirmationRow:row];
4079 }
4080
4081 - (void) table:(UITable *)table deleteRow:(int)row {
4082     Source *source = [sources_ objectAtIndex:row];
4083     [Sources_ removeObjectForKey:[source key]];
4084     [delegate_ syncData];
4085 }
4086
4087 - (void) _endConnection:(NSURLConnection *)connection {
4088     NSURLConnection **field = NULL;
4089     if (connection == trivial_bz2_)
4090         field = &trivial_bz2_;
4091     else if (connection == trivial_gz_)
4092         field = &trivial_gz_;
4093     _assert(field != NULL);
4094     [connection release];
4095     *field = nil;
4096
4097     if (
4098         trivial_bz2_ == nil &&
4099         trivial_gz_ == nil
4100     ) {
4101         [delegate_ setStatusBarShowsProgress:NO];
4102
4103         [hud_ show:NO];
4104         [hud_ removeFromSuperview];
4105         [hud_ autorelease];
4106         hud_ = nil;
4107
4108         if (trivial_) {
4109             [Sources_ setObject:[NSDictionary dictionaryWithObjectsAndKeys:
4110                 @"deb", @"Type",
4111                 href_, @"URI",
4112                 @"./", @"Distribution",
4113             nil] forKey:[NSString stringWithFormat:@"deb:%@:./", href_]];
4114
4115             [delegate_ syncData];
4116         } else if (error_ != nil) {
4117             UIActionSheet *sheet = [[[UIActionSheet alloc]
4118                 initWithTitle:@"Verification Error"
4119                 buttons:[NSArray arrayWithObjects:@"OK", nil]
4120                 defaultButtonIndex:0
4121                 delegate:self
4122                 context:@"urlerror"
4123             ] autorelease];
4124
4125             [sheet setBodyText:[error_ localizedDescription]];
4126             [sheet popupAlertAnimated:YES];
4127         } else {
4128             UIActionSheet *sheet = [[[UIActionSheet alloc]
4129                 initWithTitle:@"Did not Find Repository"
4130                 buttons:[NSArray arrayWithObjects:@"OK", nil]
4131                 defaultButtonIndex:0
4132                 delegate:self
4133                 context:@"trivial"
4134             ] autorelease];
4135
4136             [sheet setBodyText:@"The indicated repository could not be found. This could be because you are trying to add a legacy Installer repository (these are not supported). Also, this interface is only capable of working with exact repository URLs. If you host a repository and are having issues please contact the author of Cydia with any questions you have."];
4137             [sheet popupAlertAnimated:YES];
4138         }
4139
4140         [href_ release];
4141         href_ = nil;
4142
4143         if (error_ != nil) {
4144             [error_ release];
4145             error_ = nil;
4146         }
4147     }
4148 }
4149
4150 - (void) connection:(NSURLConnection *)connection didReceiveResponse:(NSHTTPURLResponse *)response {
4151     switch ([response statusCode]) {
4152         case 200:
4153             trivial_ = YES;
4154     }
4155 }
4156
4157 - (void) connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
4158     lprintf("connection:\"%s\" didFailWithError:\"%s\"", [href_ UTF8String], [[error localizedDescription] UTF8String]);
4159     if (error_ != nil)
4160         error_ = [error retain];
4161     [self _endConnection:connection];
4162 }
4163
4164 - (void) connectionDidFinishLoading:(NSURLConnection *)connection {
4165     [self _endConnection:connection];
4166 }
4167
4168 - (NSURLConnection *) _requestHRef:(NSString *)href method:(NSString *)method {
4169     NSMutableURLRequest *request = [NSMutableURLRequest
4170         requestWithURL:[NSURL URLWithString:href]
4171         cachePolicy:NSURLRequestUseProtocolCachePolicy
4172         timeoutInterval:20.0
4173     ];
4174
4175     [request setHTTPMethod:method];
4176
4177     return [[[NSURLConnection alloc] initWithRequest:request delegate:self] autorelease];
4178 }
4179
4180 - (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
4181     NSString *context = [sheet context];
4182     if ([context isEqualToString:@"source"])
4183         switch (button) {
4184             case 1: {
4185                 NSString *href = [[sheet textField] text];
4186
4187                 //installer_ = [[self _requestHRef:href method:@"GET"] retain];
4188
4189                 if (![href hasSuffix:@"/"])
4190                     href_ = [href stringByAppendingString:@"/"];
4191                 else
4192                     href_ = href;
4193                 href_ = [href_ retain];
4194
4195                 trivial_bz2_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.bz2"] method:@"HEAD"] retain];
4196                 trivial_gz_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.gz"] method:@"HEAD"] retain];
4197                 //trivial_bz2_ = [[self _requestHRef:[href stringByAppendingString:@"dists/Release"] method:@"HEAD"] retain];
4198
4199                 trivial_ = false;
4200
4201                 hud_ = [delegate_ addProgressHUD];
4202                 [hud_ setText:@"Verifying URL"];
4203             } break;
4204
4205             case 2:
4206             break;
4207
4208             default:
4209                 _assert(false);
4210         }
4211
4212     [sheet dismiss];
4213 }
4214
4215 - (id) initWithBook:(RVBook *)book database:(Database *)database {
4216     if ((self = [super initWithBook:book]) != nil) {
4217         database_ = database;
4218         sources_ = [[NSMutableArray arrayWithCapacity:16] retain];
4219
4220         //list_ = [[UITable alloc] initWithFrame:[self bounds]];
4221         list_ = [[UISectionList alloc] initWithFrame:[self bounds] showSectionIndex:NO];
4222         [list_ setShouldHideHeaderInShortLists:NO];
4223
4224         [self addSubview:list_];
4225         [list_ setDataSource:self];
4226
4227         UITableColumn *column = [[UITableColumn alloc]
4228             initWithTitle:@"Name"
4229             identifier:@"name"
4230             width:[self frame].size.width
4231         ];
4232
4233         UITable *table = [list_ table];
4234         [table setSeparatorStyle:1];
4235         [table addTableColumn:column];
4236         [table setDelegate:self];
4237
4238         [self reloadData];
4239
4240         [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
4241         [list_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
4242     } return self;
4243 }
4244
4245 - (void) reloadData {
4246     pkgSourceList list;
4247     _assert(list.ReadMainList());
4248
4249     [sources_ removeAllObjects];
4250     [sources_ addObjectsFromArray:[database_ sources]];
4251     [sources_ sortUsingSelector:@selector(compareByNameAndType:)];
4252
4253     int count = [sources_ count];
4254     for (offset_ = 0; offset_ != count; ++offset_) {
4255         Source *source = [sources_ objectAtIndex:offset_];
4256         if ([source record] == nil)
4257             break;
4258     }
4259
4260     [list_ reloadData];
4261 }
4262
4263 - (void) resetViewAnimated:(BOOL)animated {
4264     [list_ resetViewAnimated:animated];
4265 }
4266
4267 - (void) _leftButtonClicked {
4268     /*[book_ pushPage:[[[AddSourceView alloc]
4269         initWithBook:book_
4270         database:database_
4271     ] autorelease]];*/
4272
4273     UIActionSheet *sheet = [[[UIActionSheet alloc]
4274         initWithTitle:@"Enter Cydia/APT URL"
4275         buttons:[NSArray arrayWithObjects:@"Add Source", @"Cancel", nil]
4276         defaultButtonIndex:0
4277         delegate:self
4278         context:@"source"
4279     ] autorelease];
4280
4281     [sheet addTextFieldWithValue:@"http://" label:@""];
4282
4283     UITextInputTraits *traits = [[sheet textField] textInputTraits];
4284     [traits setAutocapitalizationType:0];
4285     [traits setKeyboardType:3];
4286     [traits setAutocorrectionType:1];
4287
4288     [sheet popupAlertAnimated:YES];
4289 }
4290
4291 - (void) _rightButtonClicked {
4292     UITable *table = [list_ table];
4293     BOOL editing = [table isRowDeletionEnabled];
4294     [table enableRowDeletion:!editing animated:YES];
4295     [book_ reloadButtonsForPage:self];
4296 }
4297
4298 - (NSString *) title {
4299     return @"Sources";
4300 }
4301
4302 - (NSString *) leftButtonTitle {
4303     return [[list_ table] isRowDeletionEnabled] ? @"Add" : nil;
4304 }
4305
4306 - (NSString *) rightButtonTitle {
4307     return [[list_ table] isRowDeletionEnabled] ? @"Done" : @"Edit";
4308 }
4309
4310 - (UINavigationButtonStyle) rightButtonStyle {
4311     return [[list_ table] isRowDeletionEnabled] ? UINavigationButtonStyleHighlighted : UINavigationButtonStyleNormal;
4312 }
4313
4314 @end
4315 /* }}} */
4316
4317 /* Installed View {{{ */
4318 @interface InstalledView : RVPage {
4319     _transient Database *database_;
4320     PackageTable *packages_;
4321     BOOL expert_;
4322 }
4323
4324 - (id) initWithBook:(RVBook *)book database:(Database *)database;
4325
4326 @end
4327
4328 @implementation InstalledView
4329
4330 - (void) dealloc {
4331     [packages_ release];
4332     [super dealloc];
4333 }
4334
4335 - (id) initWithBook:(RVBook *)book database:(Database *)database {
4336     if ((self = [super initWithBook:book]) != nil) {
4337         database_ = database;
4338
4339         packages_ = [[PackageTable alloc]
4340             initWithBook:book
4341             database:database
4342             title:nil
4343             filter:@selector(isInstalledAndVisible:)
4344             with:[NSNumber numberWithBool:YES]
4345         ];
4346
4347         [self addSubview:packages_];
4348
4349         [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
4350         [packages_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
4351     } return self;
4352 }
4353
4354 - (void) resetViewAnimated:(BOOL)animated {
4355     [packages_ resetViewAnimated:animated];
4356 }
4357
4358 - (void) reloadData {
4359     [packages_ reloadData];
4360 }
4361
4362 - (void) _rightButtonClicked {
4363     [packages_ setObject:[NSNumber numberWithBool:expert_]];
4364     [packages_ reloadData];
4365     expert_ = !expert_;
4366     [book_ reloadButtonsForPage:self];
4367 }
4368
4369 - (NSString *) title {
4370     return @"Installed";
4371 }
4372
4373 - (NSString *) backButtonTitle {
4374     return @"Packages";
4375 }
4376
4377 - (NSString *) rightButtonTitle {
4378     return Role_ != nil && [Role_ isEqualToString:@"Developer"] ? nil : expert_ ? @"Expert" : @"Simple";
4379 }
4380
4381 - (UINavigationButtonStyle) rightButtonStyle {
4382     return expert_ ? UINavigationButtonStyleHighlighted : UINavigationButtonStyleNormal;
4383 }
4384
4385 - (void) setDelegate:(id)delegate {
4386     [super setDelegate:delegate];
4387     [packages_ setDelegate:delegate];
4388 }
4389
4390 @end
4391 /* }}} */
4392
4393 /* Home View {{{ */
4394 @interface HomeView : BrowserView {
4395 }
4396
4397 @end
4398
4399 @implementation HomeView
4400
4401 - (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
4402     [sheet dismiss];
4403 }
4404
4405 - (void) _leftButtonClicked {
4406     UIActionSheet *sheet = [[[UIActionSheet alloc]
4407         initWithTitle:@"About Cydia Installer"
4408         buttons:[NSArray arrayWithObjects:@"Close", nil]
4409         defaultButtonIndex:0
4410         delegate:self
4411         context:@"about"
4412     ] autorelease];
4413
4414     [sheet setBodyText:
4415         @"Copyright (C) 2008\n"
4416         "Jay Freeman (saurik)\n"
4417         "saurik@saurik.com\n"
4418         "http://www.saurik.com/\n"
4419         "\n"
4420         "The Okori Group\n"
4421         "http://www.theokorigroup.com/\n"
4422         "\n"
4423         "College of Creative Studies,\n"
4424         "University of California,\n"
4425         "Santa Barbara\n"
4426         "http://www.ccs.ucsb.edu/"
4427     ];
4428
4429     [sheet popupAlertAnimated:YES];
4430 }
4431
4432 - (NSString *) leftButtonTitle {
4433     return @"About";
4434 }
4435
4436 @end
4437 /* }}} */
4438 /* Manage View {{{ */
4439 @interface ManageView : BrowserView {
4440 }
4441
4442 @end
4443
4444 @implementation ManageView
4445
4446 - (NSString *) title {
4447     return @"Manage";
4448 }
4449
4450 - (void) _leftButtonClicked {
4451     [delegate_ askForSettings];
4452 }
4453
4454 - (NSString *) leftButtonTitle {
4455     return @"Settings";
4456 }
4457
4458 - (NSString *) _rightButtonTitle {
4459     return nil;
4460 }
4461
4462 @end
4463 /* }}} */
4464
4465 @interface WebView (Cydia)
4466 - (void) setScriptDebugDelegate:(id)delegate;
4467 - (void) _setFormDelegate:(id)delegate;
4468 - (void) _setUIKitDelegate:(id)delegate;
4469 - (void) setWebMailDelegate:(id)delegate;
4470 - (void) _setLayoutInterval:(float)interval;
4471 @end
4472
4473 /* Indirect Delegate {{{ */
4474 @interface IndirectDelegate : NSProxy {
4475     _transient volatile id delegate_;
4476 }
4477
4478 - (void) setDelegate:(id)delegate;
4479 - (id) initWithDelegate:(id)delegate;
4480 @end
4481
4482 @implementation IndirectDelegate
4483
4484 - (void) setDelegate:(id)delegate {
4485     delegate_ = delegate;
4486 }
4487
4488 - (id) initWithDelegate:(id)delegate {
4489     delegate_ = delegate;
4490     return self;
4491 }
4492
4493 - (NSMethodSignature*) methodSignatureForSelector:(SEL)sel {
4494     if (delegate_ != nil)
4495         if (NSMethodSignature *sig = [delegate_ methodSignatureForSelector:sel])
4496             return sig;
4497     // XXX: I fucking hate Apple so very very bad
4498     return [NSMethodSignature signatureWithObjCTypes:"v@:"];
4499 }
4500
4501 - (void) forwardInvocation:(NSInvocation *)inv {
4502     SEL sel = [inv selector];
4503     if (delegate_ != nil && [delegate_ respondsToSelector:sel])
4504         [inv invokeWithTarget:delegate_];
4505 }
4506
4507 @end
4508 /* }}} */
4509 /* Browser Implementation {{{ */
4510 @implementation BrowserView
4511
4512 - (void) dealloc {
4513     WebView *webview = [webview_ webView];
4514     [webview setFrameLoadDelegate:nil];
4515     [webview setResourceLoadDelegate:nil];
4516     [webview setUIDelegate:nil];
4517     [webview setScriptDebugDelegate:nil];
4518     [webview setPolicyDelegate:nil];
4519
4520     [webview setDownloadDelegate:nil];
4521
4522     [webview _setFormDelegate:nil];
4523     [webview _setUIKitDelegate:nil];
4524     [webview setWebMailDelegate:nil];
4525     [webview setEditingDelegate:nil];
4526
4527     [webview_ setDelegate:nil];
4528     [webview_ setGestureDelegate:nil];
4529
4530     //NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
4531
4532     [webview close];
4533
4534 #if RecycleWebViews
4535     [webview_ removeFromSuperview];
4536     [Documents_ addObject:[webview_ autorelease]];
4537 #else
4538     [webview_ release];
4539 #endif
4540
4541     [indirect_ setDelegate:nil];
4542     [indirect_ release];
4543
4544     [scroller_ setDelegate:nil];
4545
4546     [scroller_ release];
4547     [urls_ release];
4548     [indicator_ release];
4549     if (title_ != nil)
4550         [title_ release];
4551     [super dealloc];
4552 }
4553
4554 - (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
4555     [self loadRequest:[NSURLRequest
4556         requestWithURL:url
4557         cachePolicy:policy
4558         timeoutInterval:30.0
4559     ]];
4560 }
4561
4562 - (void) loadURL:(NSURL *)url {
4563     [self loadURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy];
4564 }
4565
4566 - (NSURLRequest *) _addHeadersToRequest:(NSURLRequest *)request {
4567     NSMutableURLRequest *copy = [request mutableCopy];
4568
4569     if (Machine_ != NULL)
4570         [copy addValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
4571     if (UniqueID_ != nil)
4572         [copy addValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
4573
4574     if (Role_ != nil)
4575         [copy addValue:Role_ forHTTPHeaderField:@"X-Role"];
4576
4577     return copy;
4578 }
4579
4580 - (void) loadRequest:(NSURLRequest *)request {
4581     pushed_ = true;
4582     [webview_ loadRequest:request];
4583 }
4584
4585 - (void) reloadURL {
4586     if ([urls_ count] == 0)
4587         return;
4588     NSURL *url = [[[urls_ lastObject] retain] autorelease];
4589     [urls_ removeLastObject];
4590     [self loadURL:url cachePolicy:NSURLRequestReloadIgnoringCacheData];
4591 }
4592
4593 - (WebView *) webView {
4594     return [webview_ webView];
4595 }
4596
4597 - (void) view:(UIView *)sender didSetFrame:(CGRect)frame {
4598     [scroller_ setContentSize:frame.size];
4599 }
4600
4601 - (void) view:(UIView *)sender didSetFrame:(CGRect)frame oldFrame:(CGRect)old {
4602     [self view:sender didSetFrame:frame];
4603 }
4604
4605 - (void) pushPage:(RVPage *)page {
4606     [self setBackButtonTitle:title_];
4607     [page setDelegate:delegate_];
4608     [book_ pushPage:page];
4609 }
4610
4611 - (BOOL) getSpecial:(NSURL *)url {
4612     NSString *href([url absoluteString]);
4613     NSString *scheme([[url scheme] lowercaseString]);
4614
4615     RVPage *page = nil;
4616
4617     if ([href hasPrefix:@"apptapp://package/"])
4618         page = [delegate_ pageForPackage:[href substringFromIndex:18]];
4619     else if ([scheme isEqualToString:@"cydia"])
4620         page = [delegate_ pageForURL:url hasTag:NULL];
4621     else if (![scheme isEqualToString:@"apptapp"])
4622         return false;
4623
4624     if (page != nil)
4625         [self pushPage:page];
4626     return true;
4627 }
4628
4629 - (void) webView:(WebView *)sender didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4630     [window setValue:delegate_ forKey:@"cydia"];
4631 }
4632
4633 - (void) webView:(WebView *)sender decidePolicyForNewWindowAction:(NSDictionary *)dictionary request:(NSURLRequest *)request newFrameName:(NSString *)name decisionListener:(id<WebPolicyDecisionListener>)listener {
4634     if (NSURL *url = [request URL]) {
4635         if (![self getSpecial:url]) {
4636             NSString *scheme([[url scheme] lowercaseString]);
4637             if ([scheme isEqualToString:@"mailto"])
4638                 [delegate_ openMailToURL:url];
4639             else goto use;
4640         }
4641
4642         [listener ignore];
4643     } else use:
4644         [listener use];
4645 }
4646
4647 - (void) webView:(WebView *)sender decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
4648     NSURL *url([request URL]);
4649
4650     if (url == nil) use: {
4651         [listener use];
4652         return;
4653     }
4654
4655     const NSArray *capability(reinterpret_cast<const NSArray *>(GSSystemGetCapability(kGSDisplayIdentifiersCapability)));
4656
4657     if (
4658         [capability containsObject:@"com.apple.Maps"] && [url mapsURL] ||
4659         [capability containsObject:@"com.apple.youtube"] && [url youTubeURL]
4660     ) {
4661       open:
4662         [UIApp openURL:url];
4663       ignore:
4664         [listener ignore];
4665         return;
4666     }
4667
4668     int store(_not(int));
4669     if (NSURL *itms = [url itmsURL:&store]) {
4670         if (
4671             store == 1 && [capability containsObject:@"com.apple.MobileStore"] ||
4672             store == 2 && [capability containsObject:@"com.apple.AppStore"]
4673         ) {
4674             url = itms;
4675             goto open;
4676         }
4677     }
4678
4679     NSString *scheme([[url scheme] lowercaseString]);
4680
4681     if ([scheme isEqualToString:@"tel"]) {
4682         // XXX: intelligence
4683         goto open;
4684     }
4685
4686     if ([scheme isEqualToString:@"mailto"]) {
4687         [delegate_ openMailToURL:url];
4688         goto ignore;
4689     }
4690
4691     if ([self getSpecial:url])
4692         goto ignore;
4693     else if ([WebView _canHandleRequest:request])
4694         goto use;
4695     else if ([url isSpringboardHandledURL])
4696         goto open;
4697     else
4698         goto use;
4699 }
4700
4701 - (void) webView:(WebView *)sender setStatusText:(NSString *)text {
4702     //lprintf("Status:%s\n", [text UTF8String]);
4703 }
4704
4705 - (void) _pushPage {
4706     if (pushed_)
4707         return;
4708     pushed_ = true;
4709     [book_ pushPage:self];
4710 }
4711
4712 - (NSURLRequest *) webView:(WebView *)sender resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)redirectResponse fromDataSource:(WebDataSource *)dataSource {
4713     NSURL *url = [request URL];
4714     if ([self getSpecial:url])
4715         return nil;
4716     [self _pushPage];
4717     return [self _addHeadersToRequest:request];
4718 }
4719
4720 - (WebView *) _createWebViewWithRequest:(NSURLRequest *)request pushed:(BOOL)pushed {
4721     [self setBackButtonTitle:title_];
4722
4723     BrowserView *browser = [[[BrowserView alloc] initWithBook:book_ database:database_] autorelease];
4724     [browser setDelegate:delegate_];
4725
4726     if (pushed) {
4727         [browser loadRequest:[self _addHeadersToRequest:request]];
4728         [book_ pushPage:browser];
4729     }
4730
4731     return [browser webView];
4732 }
4733
4734 - (WebView *) webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request {
4735     return [self _createWebViewWithRequest:request pushed:(request != nil)];
4736 }
4737
4738 - (WebView *) webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request windowFeatures:(NSDictionary *)features {
4739     return [self _createWebViewWithRequest:request pushed:YES];
4740 }
4741
4742 - (void) webView:(WebView *)sender didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
4743     if ([frame parentFrame] != nil)
4744         return;
4745
4746     title_ = [title retain];
4747     [book_ reloadTitleForPage:self];
4748 }
4749
4750 - (void) webView:(WebView *)sender didStartProvisionalLoadForFrame:(WebFrame *)frame {
4751     if ([frame parentFrame] != nil)
4752         return;
4753
4754     reloading_ = false;
4755     loading_ = true;
4756     [indicator_ startAnimation];
4757     [self reloadButtons];
4758
4759     if (title_ != nil) {
4760         [title_ release];
4761         title_ = nil;
4762     }
4763
4764     [book_ reloadTitleForPage:self];
4765
4766     WebView *webview = [webview_ webView];
4767     NSString *href = [webview mainFrameURL];
4768     [urls_ addObject:[NSURL URLWithString:href]];
4769
4770     [scroller_ scrollPointVisibleAtTopLeft:CGPointZero];
4771
4772     CGRect webrect = [scroller_ bounds];
4773     webrect.size.height = 0;
4774     [webview_ setFrame:webrect];
4775 }
4776
4777 - (void) _finishLoading {
4778     if (!reloading_) {
4779         loading_ = false;
4780         [indicator_ stopAnimation];
4781         [self reloadButtons];
4782     }
4783 }
4784
4785 - (BOOL) webView:(WebView *)sender shouldScrollToPoint:(struct CGPoint)point forFrame:(WebFrame *)frame {
4786     return [webview_ webView:sender shouldScrollToPoint:point forFrame:frame];
4787 }
4788
4789 - (void) webView:(WebView *)sender didReceiveViewportArguments:(id)arguments forFrame:(WebFrame *)frame {
4790     return [webview_ webView:sender didReceiveViewportArguments:arguments forFrame:frame];
4791 }
4792
4793 - (void) webView:(WebView *)sender needsScrollNotifications:(id)notifications forFrame:(WebFrame *)frame {
4794     return [webview_ webView:sender needsScrollNotifications:notifications forFrame:frame];
4795 }
4796
4797 - (void) webView:(WebView *)sender didCommitLoadForFrame:(WebFrame *)frame {
4798     return [webview_ webView:sender didCommitLoadForFrame:frame];
4799 }
4800
4801 - (void) webView:(WebView *)sender didReceiveDocTypeForFrame:(WebFrame *)frame {
4802     return [webview_ webView:sender didReceiveDocTypeForFrame:frame];
4803 }
4804
4805 - (void) webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame {
4806     if ([frame parentFrame] == nil)
4807         [self _finishLoading];
4808     return [webview_ webView:sender didFinishLoadForFrame:frame];
4809 }
4810
4811 - (void) webView:(WebView *)sender didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
4812     if ([frame parentFrame] != nil)
4813         return;
4814     [self _finishLoading];
4815
4816     [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@?%@",
4817         [[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"error" ofType:@"html"]] absoluteString],
4818         [[error localizedDescription] stringByAddingPercentEscapes]
4819     ]]];
4820 }
4821
4822 - (void) webView:(WebView *)sender addMessageToConsole:(NSDictionary *)dictionary {
4823 #if ForSaurik
4824     lprintf("Console:%s\n", [[dictionary description] UTF8String]);
4825 #endif
4826 }
4827
4828 - (id) initWithBook:(RVBook *)book database:(Database *)database {
4829     if ((self = [super initWithBook:book]) != nil) {
4830         database_ = database;
4831         loading_ = false;
4832
4833         struct CGRect bounds = [self bounds];
4834
4835         UIImageView *pinstripe = [[[UIImageView alloc] initWithFrame:bounds] autorelease];
4836         [pinstripe setImage:[UIImage applicationImageNamed:@"pinstripe.png"]];
4837         [self addSubview:pinstripe];
4838
4839         scroller_ = [[UIScroller alloc] initWithFrame:bounds];
4840         [self addSubview:scroller_];
4841
4842         [scroller_ setScrollingEnabled:YES];
4843         [scroller_ setAdjustForContentSizeChange:YES];
4844         [scroller_ setClipsSubviews:YES];
4845         [scroller_ setAllowsRubberBanding:YES];
4846         [scroller_ setScrollDecelerationFactor:0.99];
4847         [scroller_ setDelegate:self];
4848
4849         CGRect webrect = [scroller_ bounds];
4850         webrect.size.height = 0;
4851
4852         WebView *webview;
4853
4854 #if RecycleWebViews
4855         webview_ = [Documents_ lastObject];
4856         if (webview_ != nil) {
4857             webview_ = [webview_ retain];
4858             webview = [webview_ webView];
4859             [Documents_ removeLastObject];
4860             [webview_ setFrame:webrect];
4861         } else {
4862 #else
4863         if (true) {
4864 #endif
4865             webview_ = [[UIWebDocumentView alloc] initWithFrame:webrect];
4866             webview = [webview_ webView];
4867
4868             [webview_ setTileSize:CGSizeMake(webrect.size.width, 500)];
4869
4870             [webview_ setAllowsMessaging:YES];
4871
4872             [webview_ setTilingEnabled:YES];
4873             [webview_ setDrawsGrid:NO];
4874             [webview_ setLogsTilingChanges:NO];
4875             [webview_ setTileMinificationFilter:kCAFilterNearest];
4876             [webview_ setDetectsPhoneNumbers:NO];
4877             [webview_ setAutoresizes:YES];
4878
4879             [webview_ setViewportSize:CGSizeMake(980, -1) forDocumentTypes:0x10];
4880             [webview_ setViewportSize:CGSizeMake(320, -1) forDocumentTypes:0x2];
4881             [webview_ setViewportSize:CGSizeMake(320, -1) forDocumentTypes:0x8];
4882
4883             [webview_ _setDocumentType:0x4];
4884
4885             [webview_ setZoomsFocusedFormControl:YES];
4886             [webview_ setContentsPosition:7];
4887             [webview_ setEnabledGestures:0xa];
4888             [webview_ setValue:[NSNumber numberWithBool:YES] forGestureAttribute:0x4];
4889             [webview_ setValue:[NSNumber numberWithBool:YES] forGestureAttribute:0x7];
4890
4891             [webview_ setSmoothsFonts:YES];
4892
4893             [webview _setUsesLoaderCache:YES];
4894             [webview setGroupName:@"Cydia"];
4895             //[webview _setLayoutInterval:0.5];
4896         }
4897
4898         [webview_ setDelegate:self];
4899         [webview_ setGestureDelegate:self];
4900         [scroller_ addSubview:webview_];
4901
4902         //NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
4903
4904         CGSize indsize = [UIProgressIndicator defaultSizeForStyle:UIProgressIndicatorStyleMediumWhite];
4905         indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectMake(281, 12, indsize.width, indsize.height)];
4906         [indicator_ setStyle:UIProgressIndicatorStyleMediumWhite];
4907
4908         Package *package([database_ packageWithName:@"cydia"]);
4909         NSString *application = package == nil ? @"Cydia" : [NSString
4910             stringWithFormat:@"Cydia/%@",
4911             [package installed]
4912         ]; [webview setApplicationNameForUserAgent:application];
4913
4914         indirect_ = [[IndirectDelegate alloc] initWithDelegate:self];
4915
4916         [webview setFrameLoadDelegate:self];
4917         [webview setResourceLoadDelegate:indirect_];
4918         [webview setUIDelegate:self];
4919         [webview setScriptDebugDelegate:self];
4920         [webview setPolicyDelegate:self];
4921
4922         urls_ = [[NSMutableArray alloc] initWithCapacity:16];
4923
4924         [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
4925         [scroller_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
4926         [pinstripe setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
4927     } return self;
4928 }
4929
4930 - (void) didFinishGesturesInView:(UIView *)view forEvent:(id)event {
4931     [webview_ redrawScaledDocument];
4932 }
4933
4934 - (void) _rightButtonClicked {
4935     reloading_ = true;
4936     [self reloadURL];
4937 }
4938
4939 - (NSString *) _rightButtonTitle {
4940     return @"Reload";
4941 }
4942
4943 - (NSString *) rightButtonTitle {
4944     return loading_ ? @"" : [self _rightButtonTitle];
4945 }
4946
4947 - (NSString *) title {
4948     return title_ == nil ? @"Loading" : title_;
4949 }
4950
4951 - (NSString *) backButtonTitle {
4952     return @"Browser";
4953 }
4954
4955 - (void) setPageActive:(BOOL)active {
4956     if (!active)
4957         [indicator_ removeFromSuperview];
4958     else
4959         [[book_ navigationBar] addSubview:indicator_];
4960 }
4961
4962 - (void) resetViewAnimated:(BOOL)animated {
4963 }
4964
4965 - (void) setPushed:(bool)pushed {
4966     pushed_ = pushed;
4967 }
4968
4969 @end
4970 /* }}} */
4971
4972 @interface CYBook : RVBook <
4973     ProgressDelegate
4974 > {
4975     _transient Database *database_;
4976     UINavigationBar *overlay_;
4977     UINavigationBar *underlay_;
4978     UIProgressIndicator *indicator_;
4979     UITextLabel *prompt_;
4980     UIProgressBar *progress_;
4981     UINavigationButton *cancel_;
4982     bool updating_;
4983     size_t received_;
4984     NSTimeInterval last_;
4985 }
4986
4987 - (id) initWithFrame:(CGRect)frame database:(Database *)database;
4988 - (void) update;
4989 - (BOOL) updating;
4990
4991 @end
4992
4993 /* Install View {{{ */
4994 @interface InstallView : RVPage {
4995     _transient Database *database_;
4996     NSMutableArray *sections_;
4997     NSMutableArray *filtered_;
4998     UITransitionView *transition_;
4999     UITable *list_;
5000     UIView *accessory_;
5001     BOOL editing_;
5002 }
5003
5004 - (id) initWithBook:(RVBook *)book database:(Database *)database;
5005 - (void) reloadData;
5006 - (void) resetView;
5007
5008 @end
5009
5010 @implementation InstallView
5011
5012 - (void) dealloc {
5013     [list_ setDataSource:nil];
5014     [list_ setDelegate:nil];
5015
5016     [sections_ release];
5017     [filtered_ release];
5018     [transition_ release];
5019     [list_ release];
5020     [accessory_ release];
5021     [super dealloc];
5022 }
5023
5024 - (int) numberOfRowsInTable:(UITable *)table {
5025     return editing_ ? [sections_ count] : [filtered_ count] + 1;
5026 }
5027
5028 - (float) table:(UITable *)table heightForRow:(int)row {
5029     return 45;
5030 }
5031
5032 - (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col reusing:(UITableCell *)reusing {
5033     if (reusing == nil)
5034         reusing = [[[SectionCell alloc] init] autorelease];
5035     [(SectionCell *)reusing setSection:(editing_ ?
5036         [sections_ objectAtIndex:row] :
5037         (row == 0 ? nil : [filtered_ objectAtIndex:(row - 1)])
5038     ) editing:editing_];
5039     return reusing;
5040 }
5041
5042 - (BOOL) table:(UITable *)table showDisclosureForRow:(int)row {
5043     return !editing_;
5044 }
5045
5046 - (BOOL) table:(UITable *)table canSelectRow:(int)row {
5047     return !editing_;
5048 }
5049
5050 - (void) tableRowSelected:(NSNotification *)notification {
5051     int row = [[notification object] selectedRow];
5052     if (row == INT_MAX)
5053         return;
5054
5055     Section *section;
5056     NSString *name;
5057     NSString *title;
5058
5059     if (row == 0) {
5060         section = nil;
5061         name = nil;
5062         title = @"All Packages";
5063     } else {
5064         section = [filtered_ objectAtIndex:(row - 1)];
5065         name = [section name];
5066
5067         if (name != nil)
5068             title = name;
5069         else {
5070             name = @"";
5071             title = @"(No Section)";
5072         }
5073     }
5074
5075     PackageTable *table = [[[PackageTable alloc]
5076         initWithBook:book_
5077         database:database_
5078         title:title
5079         filter:@selector(isVisiblyUninstalledInSection:)
5080         with:name
5081     ] autorelease];
5082
5083     [table setDelegate:delegate_];
5084
5085     [book_ pushPage:table];
5086 }
5087
5088 - (id) initWithBook:(RVBook *)book database:(Database *)database {
5089     if ((self = [super initWithBook:book]) != nil) {
5090         database_ = database;
5091
5092         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
5093         filtered_ = [[NSMutableArray arrayWithCapacity:16] retain];
5094
5095         transition_ = [[UITransitionView alloc] initWithFrame:[self bounds]];
5096         [self addSubview:transition_];
5097
5098         list_ = [[UITable alloc] initWithFrame:[transition_ bounds]];
5099         [transition_ transition:0 toView:list_];
5100
5101         UITableColumn *column = [[[UITableColumn alloc]
5102             initWithTitle:@"Name"
5103             identifier:@"name"
5104             width:[self frame].size.width
5105         ] autorelease];
5106
5107         [list_ setDataSource:self];
5108         [list_ setSeparatorStyle:1];
5109         [list_ addTableColumn:column];
5110         [list_ setDelegate:self];
5111         [list_ setReusesTableCells:YES];
5112
5113         [self reloadData];
5114
5115         [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
5116         [list_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
5117     } return self;
5118 }
5119
5120 - (void) reloadData {
5121     NSArray *packages = [database_ packages];
5122
5123     [sections_ removeAllObjects];
5124     [filtered_ removeAllObjects];
5125
5126     NSMutableArray *filtered = [NSMutableArray arrayWithCapacity:[packages count]];
5127     NSMutableDictionary *sections = [NSMutableDictionary dictionaryWithCapacity:32];
5128
5129     for (size_t i(0); i != [packages count]; ++i) {
5130         Package *package([packages objectAtIndex:i]);
5131         NSString *name([package section]);
5132
5133         if (name != nil) {
5134             Section *section([sections objectForKey:name]);
5135             if (section == nil) {
5136                 section = [[[Section alloc] initWithName:name] autorelease];
5137                 [sections setObject:section forKey:name];
5138             }
5139         }
5140
5141         if ([package valid] && [package installed] == nil && [package visible])
5142             [filtered addObject:package];
5143     }
5144
5145     [sections_ addObjectsFromArray:[sections allValues]];
5146     [sections_ sortUsingSelector:@selector(compareByName:)];
5147
5148     [filtered sortUsingSelector:@selector(compareBySection:)];
5149
5150     Section *section = nil;
5151     for (size_t offset = 0, count = [filtered count]; offset != count; ++offset) {
5152         Package *package = [filtered objectAtIndex:offset];
5153         NSString *name = [package section];
5154
5155         if (section == nil || name != nil && ![[section name] isEqualToString:name]) {
5156             section = name == nil ?
5157                 [[[Section alloc] initWithName:nil] autorelease] :
5158                 [sections objectForKey:name];
5159             [filtered_ addObject:section];
5160         }
5161
5162         [section addToCount];
5163     }
5164
5165     [list_ reloadData];
5166 }
5167
5168 - (void) resetView {
5169     if (editing_)
5170         [self _rightButtonClicked];
5171 }
5172
5173 - (void) resetViewAnimated:(BOOL)animated {
5174     [list_ resetViewAnimated:animated];
5175 }
5176
5177 - (void) _rightButtonClicked {
5178     if ((editing_ = !editing_))
5179         [list_ reloadData];
5180     else {
5181         [delegate_ updateData];
5182     }
5183
5184     [book_ reloadTitleForPage:self];
5185     [book_ reloadButtonsForPage:self];
5186 }
5187
5188 - (NSString *) title {
5189     return editing_ ? @"Section Visibility" : @"Install by Section";
5190 }
5191
5192 - (NSString *) backButtonTitle {
5193     return @"Sections";
5194 }
5195
5196 - (NSString *) rightButtonTitle {
5197     return [sections_ count] == 0 ? nil : editing_ ? @"Done" : @"Edit";
5198 }
5199
5200 - (UINavigationButtonStyle) rightButtonStyle {
5201     return editing_ ? UINavigationButtonStyleHighlighted : UINavigationButtonStyleNormal;
5202 }
5203
5204 - (UIView *) accessoryView {
5205     return accessory_;
5206 }
5207
5208 @end
5209 /* }}} */
5210 /* Changes View {{{ */
5211 @interface ChangesView : RVPage {
5212     _transient Database *database_;
5213     NSMutableArray *packages_;
5214     NSMutableArray *sections_;
5215     UISectionList *list_;
5216     unsigned upgrades_;
5217 }
5218
5219 - (id) initWithBook:(RVBook *)book database:(Database *)database;
5220 - (void) reloadData;
5221
5222 @end
5223
5224 @implementation ChangesView
5225
5226 - (void) dealloc {
5227     [[list_ table] setDelegate:nil];
5228     [list_ setDataSource:nil];
5229
5230     [packages_ release];
5231     [sections_ release];
5232     [list_ release];
5233     [super dealloc];
5234 }
5235
5236 - (int) numberOfSectionsInSectionList:(UISectionList *)list {
5237     return [sections_ count];
5238 }
5239
5240 - (NSString *) sectionList:(UISectionList *)list titleForSection:(int)section {
5241     return [[sections_ objectAtIndex:section] name];
5242 }
5243
5244 - (int) sectionList:(UISectionList *)list rowForSection:(int)section {
5245     return [[sections_ objectAtIndex:section] row];
5246 }
5247
5248 - (int) numberOfRowsInTable:(UITable *)table {
5249     return [packages_ count];
5250 }
5251
5252 - (float) table:(UITable *)table heightForRow:(int)row {
5253     return [PackageCell heightForPackage:[packages_ objectAtIndex:row]];
5254 }
5255
5256 - (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col reusing:(UITableCell *)reusing {
5257     if (reusing == nil)
5258         reusing = [[[PackageCell alloc] init] autorelease];
5259     [(PackageCell *)reusing setPackage:[packages_ objectAtIndex:row]];
5260     return reusing;
5261 }
5262
5263 - (BOOL) table:(UITable *)table showDisclosureForRow:(int)row {
5264     return NO;
5265 }
5266
5267 - (void) tableRowSelected:(NSNotification *)notification {
5268     int row = [[notification object] selectedRow];
5269     if (row == INT_MAX)
5270         return;
5271     Package *package = [packages_ objectAtIndex:row];
5272     PackageView *view = [[[PackageView alloc] initWithBook:book_ database:database_] autorelease];
5273     [view setDelegate:delegate_];
5274     [view setPackage:package];
5275     [book_ pushPage:view];
5276 }
5277
5278 - (void) _leftButtonClicked {
5279     [(CYBook *)book_ update];
5280     [self reloadButtons];
5281 }
5282
5283 - (void) _rightButtonClicked {
5284     [delegate_ distUpgrade];
5285 }
5286
5287 - (id) initWithBook:(RVBook *)book database:(Database *)database {
5288     if ((self = [super initWithBook:book]) != nil) {
5289         database_ = database;
5290
5291         packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
5292         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
5293
5294         list_ = [[UISectionList alloc] initWithFrame:[self bounds] showSectionIndex:NO];
5295         [self addSubview:list_];
5296
5297         [list_ setShouldHideHeaderInShortLists:NO];
5298         [list_ setDataSource:self];
5299         //[list_ setSectionListStyle:1];
5300
5301         UITableColumn *column = [[[UITableColumn alloc]
5302             initWithTitle:@"Name"
5303             identifier:@"name"
5304             width:[self frame].size.width
5305         ] autorelease];
5306
5307         UITable *table = [list_ table];
5308         [table setSeparatorStyle:1];
5309         [table addTableColumn:column];
5310         [table setDelegate:self];
5311         [table setReusesTableCells:YES];
5312
5313         [self reloadData];
5314
5315         [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
5316         [list_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
5317     } return self;
5318 }
5319
5320 - (void) reloadData {
5321     NSArray *packages = [database_ packages];
5322
5323     [packages_ removeAllObjects];
5324     [sections_ removeAllObjects];
5325
5326     for (size_t i(0); i != [packages count]; ++i) {
5327         Package *package([packages objectAtIndex:i]);
5328
5329         if (
5330             [package installed] == nil && [package valid] && [package visible] ||
5331             [package upgradableAndEssential:NO]
5332         )
5333             [packages_ addObject:package];
5334     }
5335
5336     [packages_ sortUsingSelector:@selector(compareForChanges:)];
5337
5338     Section *upgradable = [[[Section alloc] initWithName:@"Available Upgrades"] autorelease];
5339     Section *section = nil;
5340
5341     upgrades_ = 0;
5342     bool unseens = false;
5343
5344     CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
5345
5346     for (size_t offset = 0, count = [packages_ count]; offset != count; ++offset) {
5347         Package *package = [packages_ objectAtIndex:offset];
5348
5349         if ([package upgradableAndEssential:YES]) {
5350             ++upgrades_;
5351             [upgradable addToCount];
5352         } else {
5353             unseens = true;
5354             NSDate *seen = [package seen];
5355
5356             NSString *name;
5357
5358             if (seen == nil)
5359                 name = [@"n/a ?" retain];
5360             else {
5361                 name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) seen);
5362             }
5363
5364             if (section == nil || ![[section name] isEqualToString:name]) {
5365                 section = [[[Section alloc] initWithName:name row:offset] autorelease];
5366                 [sections_ addObject:section];
5367             }
5368
5369             [name release];
5370             [section addToCount];
5371         }
5372     }
5373
5374     CFRelease(formatter);
5375
5376     if (unseens) {
5377         Section *last = [sections_ lastObject];
5378         size_t count = [last count];
5379         [packages_ removeObjectsInRange:NSMakeRange([packages_ count] - count, count)];
5380         [sections_ removeLastObject];
5381     }
5382
5383     if (upgrades_ != 0)
5384         [sections_ insertObject:upgradable atIndex:0];
5385
5386     [list_ reloadData];
5387     [self reloadButtons];
5388 }
5389
5390 - (void) resetViewAnimated:(BOOL)animated {
5391     [list_ resetViewAnimated:animated];
5392 }
5393
5394 - (NSString *) leftButtonTitle {
5395     return [(CYBook *)book_ updating] ? nil : @"Refresh";
5396 }
5397
5398 - (NSString *) rightButtonTitle {
5399     return upgrades_ == 0 ? nil : [NSString stringWithFormat:@"Upgrade (%u)", upgrades_];
5400 }
5401
5402 - (NSString *) title {
5403     return @"Changes";
5404 }
5405
5406 @end
5407 /* }}} */
5408 /* Search View {{{ */
5409 @protocol SearchViewDelegate
5410 - (void) showKeyboard:(BOOL)show;
5411 @end
5412
5413 @interface SearchView : RVPage {
5414     UIView *accessory_;
5415     UISearchField *field_;
5416     UITransitionView *transition_;
5417     PackageTable *table_;
5418     UIPreferencesTable *advanced_;
5419     UIView *dimmed_;
5420     bool flipped_;
5421     bool reload_;
5422 }
5423
5424 - (id) initWithBook:(RVBook *)book database:(Database *)database;
5425 - (void) reloadData;
5426
5427 @end
5428
5429 @implementation SearchView
5430
5431 - (void) dealloc {
5432     [field_ setDelegate:nil];
5433
5434     [accessory_ release];
5435     [field_ release];
5436     [transition_ release];
5437     [table_ release];
5438     [advanced_ release];
5439     [dimmed_ release];
5440     [super dealloc];
5441 }
5442
5443 - (int) numberOfGroupsInPreferencesTable:(UIPreferencesTable *)table {
5444     return 1;
5445 }
5446
5447 - (NSString *) preferencesTable:(UIPreferencesTable *)table titleForGroup:(int)group {
5448     switch (group) {
5449         case 0: return @"Advanced Search (Coming Soon!)";
5450
5451         default: _assert(false);
5452     }
5453 }
5454
5455 - (int) preferencesTable:(UIPreferencesTable *)table numberOfRowsInGroup:(int)group {
5456     switch (group) {
5457         case 0: return 0;
5458
5459         default: _assert(false);
5460     }
5461 }
5462
5463 - (void) _showKeyboard:(BOOL)show {
5464     CGSize keysize = [UIKeyboard defaultSize];
5465     CGRect keydown = [book_ pageBounds];
5466     CGRect keyup = keydown;
5467     keyup.size.height -= keysize.height - ButtonBarHeight_;
5468
5469     float delay = KeyboardTime_ * ButtonBarHeight_ / keysize.height;
5470
5471     UIFrameAnimation *animation = [[[UIFrameAnimation alloc] initWithTarget:[table_ list]] autorelease];
5472     [animation setSignificantRectFields:8];
5473
5474     if (show) {
5475         [animation setStartFrame:keydown];
5476         [animation setEndFrame:keyup];
5477     } else {
5478         [animation setStartFrame:keyup];
5479         [animation setEndFrame:keydown];
5480     }
5481
5482     UIAnimator *animator = [UIAnimator sharedAnimator];
5483
5484     [animator
5485         addAnimations:[NSArray arrayWithObjects:animation, nil]
5486         withDuration:(KeyboardTime_ - delay)
5487         start:!show
5488     ];
5489
5490     if (show)
5491         [animator performSelector:@selector(startAnimation:) withObject:animation afterDelay:delay];
5492
5493     [delegate_ showKeyboard:show];
5494 }
5495
5496 - (void) textFieldDidBecomeFirstResponder:(UITextField *)field {
5497     [self _showKeyboard:YES];
5498 }
5499
5500 - (void) textFieldDidResignFirstResponder:(UITextField *)field {
5501     [self _showKeyboard:NO];
5502 }
5503
5504 - (void) keyboardInputChanged:(UIFieldEditor *)editor {
5505     if (reload_) {
5506         NSString *text([field_ text]);
5507         [field_ setClearButtonStyle:(text == nil || [text length] == 0 ? 0 : 2)];
5508         [self reloadData];
5509         reload_ = false;
5510     }
5511 }
5512
5513 - (void) textFieldClearButtonPressed:(UITextField *)field {
5514     reload_ = true;
5515 }
5516
5517 - (void) keyboardInputShouldDelete:(id)input {
5518     reload_ = true;
5519 }
5520
5521 - (BOOL) keyboardInput:(id)input shouldInsertText:(NSString *)text isMarkedText:(int)marked {
5522     if ([text length] != 1 || [text characterAtIndex:0] != '\n') {
5523         reload_ = true;
5524         return YES;
5525     } else {
5526         [field_ resignFirstResponder];
5527         return NO;
5528     }
5529 }
5530
5531 - (id) initWithBook:(RVBook *)book database:(Database *)database {
5532     if ((self = [super initWithBook:book]) != nil) {
5533         CGRect pageBounds = [book_ pageBounds];
5534
5535         /*UIImageView *pinstripe = [[[UIImageView alloc] initWithFrame:pageBounds] autorelease];
5536         [pinstripe setImage:[UIImage applicationImageNamed:@"pinstripe.png"]];
5537         [self addSubview:pinstripe];*/
5538
5539         transition_ = [[UITransitionView alloc] initWithFrame:pageBounds];
5540         [self addSubview:transition_];
5541
5542         advanced_ = [[UIPreferencesTable alloc] initWithFrame:pageBounds];
5543
5544         [advanced_ setReusesTableCells:YES];
5545         [advanced_ setDataSource:self];
5546         [advanced_ reloadData];
5547
5548         dimmed_ = [[UIView alloc] initWithFrame:pageBounds];
5549         CGColor dimmed(space_, 0, 0, 0, 0.5);
5550         [dimmed_ setBackgroundColor:[UIColor colorWithCGColor:dimmed]];
5551
5552         table_ = [[PackageTable alloc]
5553             initWithBook:book
5554             database:database
5555             title:nil
5556             filter:@selector(isUnfilteredAndSearchedForBy:)
5557             with:nil
5558         ];
5559
5560         [table_ setShouldHideHeaderInShortLists:NO];
5561         [transition_ transition:0 toView:table_];
5562
5563         CGRect cnfrect = {{
5564 #ifdef __OBJC2__
5565         6 +
5566 #endif
5567         1, 38}, {17, 18}};
5568
5569         CGRect area;
5570         area.origin.x = /*cnfrect.origin.x + cnfrect.size.width + 4 +*/ 10;
5571         area.origin.y = 1;
5572
5573         area.size.width =
5574 #ifdef __OBJC2__
5575             8 +
5576 #endif
5577             [self bounds].size.width - area.origin.x - 18;
5578
5579         area.size.height = [UISearchField defaultHeight];
5580
5581         field_ = [[UISearchField alloc] initWithFrame:area];
5582
5583         UIFont *font = [UIFont systemFontOfSize:16];
5584         [field_ setFont:font];
5585
5586         [field_ setPlaceholder:@"Package Names & Descriptions"];
5587         [field_ setDelegate:self];
5588
5589         [field_ setPaddingTop:5];
5590
5591         UITextInputTraits *traits = [field_ textInputTraits];
5592         [traits setAutocapitalizationType:0];
5593         [traits setAutocorrectionType:1];
5594         [traits setReturnKeyType:6];
5595
5596         CGRect accrect = {{0, 6}, {6 + cnfrect.size.width + 6 + area.size.width + 6, area.size.height}};
5597
5598         accessory_ = [[UIView alloc] initWithFrame:accrect];
5599         [accessory_ addSubview:field_];
5600
5601         /*UIPushButton *configure = [[[UIPushButton alloc] initWithFrame:cnfrect] autorelease];
5602         [configure setShowPressFeedback:YES];
5603         [configure setImage:[UIImage applicationImageNamed:@"advanced.png"]];
5604         [configure addTarget:self action:@selector(configurePushed) forEvents:1];
5605         [accessory_ addSubview:configure];*/
5606
5607         [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
5608         [table_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
5609     } return self;
5610 }
5611
5612 - (void) flipPage {
5613 #ifndef __OBJC2__
5614     LKAnimation *animation = [LKTransition animation];
5615     [animation setType:@"oglFlip"];
5616     [animation setTimingFunction:[LKTimingFunction functionWithName:@"easeInEaseOut"]];
5617     [animation setFillMode:@"extended"];
5618     [animation setTransitionFlags:3];
5619     [animation setDuration:10];
5620     [animation setSpeed:0.35];
5621     [animation setSubtype:(flipped_ ? @"fromLeft" : @"fromRight")];
5622     [[transition_ _layer] addAnimation:animation forKey:0];
5623     [transition_ transition:0 toView:(flipped_ ? (UIView *) table_ : (UIView *) advanced_)];
5624     flipped_ = !flipped_;
5625 #endif
5626 }
5627
5628 - (void) configurePushed {
5629     [field_ resignFirstResponder];
5630     [self flipPage];
5631 }
5632
5633 - (void) resetViewAnimated:(BOOL)animated {
5634     if (flipped_)
5635         [self flipPage];
5636     [table_ resetViewAnimated:animated];
5637 }
5638
5639 - (void) _reloadData {
5640 }
5641
5642 - (void) reloadData {
5643     if (flipped_)
5644         [self flipPage];
5645     [table_ setObject:[field_ text]];
5646     [table_ reloadData];
5647     [table_ resetCursor];
5648 }
5649
5650 - (UIView *) accessoryView {
5651     return accessory_;
5652 }
5653
5654 - (NSString *) title {
5655     return nil;
5656 }
5657
5658 - (NSString *) backButtonTitle {
5659     return @"Search";
5660 }
5661
5662 - (void) setDelegate:(id)delegate {
5663     [table_ setDelegate:delegate];
5664     [super setDelegate:delegate];
5665 }
5666
5667 @end
5668 /* }}} */
5669
5670 @implementation CYBook
5671
5672 - (void) dealloc {
5673     [overlay_ release];
5674     [indicator_ release];
5675     [prompt_ release];
5676     [progress_ release];
5677     [cancel_ release];
5678     [super dealloc];
5679 }
5680
5681 - (NSString *) getTitleForPage:(RVPage *)page {
5682     return Simplify([super getTitleForPage:page]);
5683 }
5684
5685 - (BOOL) updating {
5686     return updating_;
5687 }
5688
5689 - (void) update {
5690     [UIView beginAnimations:nil context:NULL];
5691
5692     CGRect ovrframe = [overlay_ frame];
5693     ovrframe.origin.y = 0;
5694     [overlay_ setFrame:ovrframe];
5695
5696     CGRect barframe = [navbar_ frame];
5697     barframe.origin.y += ovrframe.size.height;
5698     [navbar_ setFrame:barframe];
5699
5700     CGRect trnframe = [transition_ frame];
5701     trnframe.origin.y += ovrframe.size.height;
5702     trnframe.size.height -= ovrframe.size.height;
5703     [transition_ setFrame:trnframe];
5704
5705     [UIView endAnimations];
5706
5707     [indicator_ startAnimation];
5708     [prompt_ setText:@"Updating Database"];
5709     [progress_ setProgress:0];
5710
5711     received_ = 0;
5712     last_ = [NSDate timeIntervalSinceReferenceDate];
5713     updating_ = true;
5714     [overlay_ addSubview:cancel_];
5715
5716     [NSThread
5717         detachNewThreadSelector:@selector(_update)
5718         toTarget:self
5719         withObject:nil
5720     ];
5721 }
5722
5723 - (void) _update_ {
5724     updating_ = false;
5725
5726     [indicator_ stopAnimation];
5727
5728     [UIView beginAnimations:nil context:NULL];
5729
5730     CGRect ovrframe = [overlay_ frame];
5731     ovrframe.origin.y = -ovrframe.size.height;
5732     [overlay_ setFrame:ovrframe];
5733
5734     CGRect barframe = [navbar_ frame];
5735     barframe.origin.y -= ovrframe.size.height;
5736     [navbar_ setFrame:barframe];
5737
5738     CGRect trnframe = [transition_ frame];
5739     trnframe.origin.y -= ovrframe.size.height;
5740     trnframe.size.height += ovrframe.size.height;
5741     [transition_ setFrame:trnframe];
5742
5743     [UIView commitAnimations];
5744
5745     [delegate_ performSelector:@selector(reloadData) withObject:nil afterDelay:0];
5746 }
5747
5748 - (id) initWithFrame:(CGRect)frame database:(Database *)database {
5749     if ((self = [super initWithFrame:frame]) != nil) {
5750         database_ = database;
5751
5752         CGRect ovrrect = [navbar_ bounds];
5753         ovrrect.size.height = [UINavigationBar defaultSize].height;
5754         ovrrect.origin.y = -ovrrect.size.height;
5755
5756         overlay_ = [[UINavigationBar alloc] initWithFrame:ovrrect];
5757         [self addSubview:overlay_];
5758
5759         ovrrect.origin.y = frame.size.height;
5760         underlay_ = [[UINavigationBar alloc] initWithFrame:ovrrect];
5761         [underlay_ setTintColor:[UIColor colorWithRed:0.23 green:0.23 blue:0.23 alpha:1]];
5762         [self addSubview:underlay_];
5763
5764         [overlay_ setBarStyle:1];
5765         [underlay_ setBarStyle:1];
5766
5767         int barstyle = [overlay_ _barStyle:NO];
5768         bool ugly = barstyle == 0;
5769
5770         UIProgressIndicatorStyle style = ugly ?
5771             UIProgressIndicatorStyleMediumBrown :
5772             UIProgressIndicatorStyleMediumWhite;
5773
5774         CGSize indsize = [UIProgressIndicator defaultSizeForStyle:style];
5775         unsigned indoffset = (ovrrect.size.height - indsize.height) / 2;
5776         CGRect indrect = {{indoffset, indoffset}, indsize};
5777
5778         indicator_ = [[UIProgressIndicator alloc] initWithFrame:indrect];
5779         [indicator_ setStyle:style];
5780         [overlay_ addSubview:indicator_];
5781
5782         CGSize prmsize = {215, indsize.height + 4};
5783
5784         CGRect prmrect = {{
5785             indoffset * 2 + indsize.width,
5786 #ifdef __OBJC2__
5787             -1 +
5788 #endif
5789             unsigned(ovrrect.size.height - prmsize.height) / 2
5790         }, prmsize};
5791
5792         UIFont *font = [UIFont systemFontOfSize:15];
5793
5794         prompt_ = [[UITextLabel alloc] initWithFrame:prmrect];
5795
5796         [prompt_ setColor:[UIColor colorWithCGColor:(ugly ? Blueish_ : Off_)]];
5797         [prompt_ setBackgroundColor:[UIColor clearColor]];
5798         [prompt_ setFont:font];
5799
5800         [overlay_ addSubview:prompt_];
5801
5802         CGSize prgsize = {75, 100};
5803
5804         CGRect prgrect = {{
5805             ovrrect.size.width - prgsize.width - 10,
5806             (ovrrect.size.height - prgsize.height) / 2
5807         } , prgsize};
5808
5809         progress_ = [[UIProgressBar alloc] initWithFrame:prgrect];
5810         [progress_ setStyle:0];
5811         [overlay_ addSubview:progress_];
5812
5813         cancel_ = [[UINavigationButton alloc] initWithTitle:@"Cancel" style:UINavigationButtonStyleHighlighted];
5814         [cancel_ addTarget:self action:@selector(_onCancel) forControlEvents:UIControlEventTouchUpInside];
5815
5816         CGRect frame = [cancel_ frame];
5817         frame.size.width = 65;
5818         frame.origin.x = ovrrect.size.width - frame.size.width - 5;
5819         frame.origin.y = (ovrrect.size.height - frame.size.height) / 2;
5820         [cancel_ setFrame:frame];
5821
5822         [cancel_ setBarStyle:barstyle];
5823     } return self;
5824 }
5825
5826 - (void) _onCancel {
5827     updating_ = false;
5828     [cancel_ removeFromSuperview];
5829 }
5830
5831 - (void) _update { _pooled
5832     Status status;
5833     status.setDelegate(self);
5834
5835     [database_ updateWithStatus:status];
5836
5837     [self
5838         performSelectorOnMainThread:@selector(_update_)
5839         withObject:nil
5840         waitUntilDone:NO
5841     ];
5842 }
5843
5844 - (void) setProgressError:(NSString *)error forPackage:(NSString *)id {
5845     [prompt_ setText:[NSString stringWithFormat:@"Error: %@", error]];
5846 }
5847
5848 - (void) setProgressTitle:(NSString *)title {
5849     [self
5850         performSelectorOnMainThread:@selector(_setProgressTitle:)
5851         withObject:title
5852         waitUntilDone:YES
5853     ];
5854 }
5855
5856 - (void) setProgressPercent:(float)percent {
5857     [self
5858         performSelectorOnMainThread:@selector(_setProgressPercent:)
5859         withObject:[NSNumber numberWithFloat:percent]
5860         waitUntilDone:YES
5861     ];
5862 }
5863
5864 - (void) startProgress {
5865 }
5866
5867 - (void) addProgressOutput:(NSString *)output {
5868     [self
5869         performSelectorOnMainThread:@selector(_addProgressOutput:)
5870         withObject:output
5871         waitUntilDone:YES
5872     ];
5873 }
5874
5875 - (bool) isCancelling:(size_t)received {
5876     NSTimeInterval now = [NSDate timeIntervalSinceReferenceDate];
5877     if (received_ != received) {
5878         received_ = received;
5879         last_ = now;
5880     } else if (now - last_ > 15)
5881         return true;
5882     return !updating_;
5883 }
5884
5885 - (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
5886     [sheet dismiss];
5887 }
5888
5889 - (void) _setProgressTitle:(NSString *)title {
5890     [prompt_ setText:title];
5891 }
5892
5893 - (void) _setProgressPercent:(NSNumber *)percent {
5894     [progress_ setProgress:[percent floatValue]];
5895 }
5896
5897 - (void) _addProgressOutput:(NSString *)output {
5898 }
5899
5900 @end
5901
5902 @interface Cydia : UIApplication <
5903     ConfirmationViewDelegate,
5904     ProgressViewDelegate,
5905     SearchViewDelegate,
5906     CydiaDelegate
5907 > {
5908     UIWindow *window_;
5909
5910     UIView *underlay_;
5911     UIView *overlay_;
5912     CYBook *book_;
5913     UIToolbar *buttonbar_;
5914
5915     RVBook *confirm_;
5916
5917     NSMutableArray *essential_;
5918     NSMutableArray *broken_;
5919
5920     Database *database_;
5921     ProgressView *progress_;
5922
5923     unsigned tag_;
5924
5925     UIKeyboard *keyboard_;
5926     UIProgressHUD *hud_;
5927
5928     InstallView *install_;
5929     ChangesView *changes_;
5930     ManageView *manage_;
5931     SearchView *search_;
5932 }
5933
5934 @end
5935
5936 @implementation Cydia
5937
5938 - (void) _loaded {
5939     if ([broken_ count] != 0) {
5940         int count = [broken_ count];
5941
5942         UIActionSheet *sheet = [[[UIActionSheet alloc]
5943             initWithTitle:[NSString stringWithFormat:@"%d Half-Installed Package%@", count, (count == 1 ? @"" : @"s")]
5944             buttons:[NSArray arrayWithObjects:
5945                 @"Forcibly Clear",
5946                 @"Ignore (Temporary)",
5947             nil]
5948             defaultButtonIndex:0
5949             delegate:self
5950             context:@"fixhalf"
5951         ] autorelease];
5952
5953         [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."];
5954         [sheet popupAlertAnimated:YES];
5955     } else if (!Ignored_ && [essential_ count] != 0) {
5956         int count = [essential_ count];
5957
5958         UIActionSheet *sheet = [[[UIActionSheet alloc]
5959             initWithTitle:[NSString stringWithFormat:@"%d Essential Upgrade%@", count, (count == 1 ? @"" : @"s")]
5960             buttons:[NSArray arrayWithObjects:
5961                 @"Upgrade Essential",
5962                 @"Upgrade Everything",
5963                 @"Ignore (Temporary)",
5964             nil]
5965             defaultButtonIndex:0
5966             delegate:self
5967             context:@"upgrade"
5968         ] autorelease];
5969
5970         [sheet setBodyText:@"One or more essential packages are currently out of date. If these upgrades are not performed you are likely to encounter errors."];
5971         [sheet popupAlertAnimated:YES];
5972     }
5973 }
5974
5975 - (void) _reloadData {
5976     /*UIProgressHUD *hud = [[UIProgressHUD alloc] initWithWindow:window_];
5977     [hud setText:@"Reloading Data"];
5978     [overlay_ addSubview:hud];
5979     [hud show:YES];*/
5980
5981     [database_ reloadData];
5982
5983     size_t changes(0);
5984
5985     [essential_ removeAllObjects];
5986     [broken_ removeAllObjects];
5987
5988     NSArray *packages = [database_ packages];
5989     for (Package *package in packages) {
5990         if ([package half])
5991             [broken_ addObject:package];
5992         if ([package upgradableAndEssential:NO]) {
5993             if ([package essential])
5994                 [essential_ addObject:package];
5995             ++changes;
5996         }
5997     }
5998
5999     if (changes != 0) {
6000         NSString *badge([[NSNumber numberWithInt:changes] stringValue]);
6001         [buttonbar_ setBadgeValue:badge forButton:3];
6002         if ([buttonbar_ respondsToSelector:@selector(setBadgeAnimated:forButton:)])
6003             [buttonbar_ setBadgeAnimated:YES forButton:3];
6004         [self setApplicationBadge:badge];
6005     } else {
6006         [buttonbar_ setBadgeValue:nil forButton:3];
6007         if ([buttonbar_ respondsToSelector:@selector(setBadgeAnimated:forButton:)])
6008             [buttonbar_ setBadgeAnimated:NO forButton:3];
6009         [self removeApplicationBadge];
6010     }
6011
6012     [self updateData];
6013
6014 #if !ForSaurik
6015     if ([packages count] == 0);
6016     else if (Loaded_)
6017 #endif
6018         [self _loaded];
6019 #if !ForSaurik
6020     else {
6021         Loaded_ = YES;
6022         [book_ update];
6023     }
6024 #endif
6025
6026     /*[hud show:NO];
6027     [hud removeFromSuperview];*/
6028 }
6029
6030 - (void) _saveConfig {
6031     if (Changed_) {
6032         _assert([Metadata_ writeToFile:@"/var/lib/cydia/metadata.plist" atomically:YES] == YES);
6033         Changed_ = false;
6034     }
6035 }
6036
6037 - (void) updateData {
6038     [self _saveConfig];
6039
6040     /* XXX: this is just stupid */
6041     if (tag_ != 2)
6042         [install_ reloadData];
6043     if (tag_ != 3)
6044         [changes_ reloadData];
6045     if (tag_ != 5)
6046         [search_ reloadData];
6047
6048     [book_ reloadData];
6049 }
6050
6051 - (void) update_ {
6052     [database_ update];
6053 }
6054
6055 - (void) syncData {
6056     FILE *file = fopen("/etc/apt/sources.list.d/cydia.list", "w");
6057     _assert(file != NULL);
6058
6059     NSArray *keys = [Sources_ allKeys];
6060
6061     for (int i(0), e([keys count]); i != e; ++i) {
6062         NSString *key = [keys objectAtIndex:i];
6063         NSDictionary *source = [Sources_ objectForKey:key];
6064
6065         fprintf(file, "%s %s %s\n",
6066             [[source objectForKey:@"Type"] UTF8String],
6067             [[source objectForKey:@"URI"] UTF8String],
6068             [[source objectForKey:@"Distribution"] UTF8String]
6069         );
6070     }
6071
6072     fclose(file);
6073
6074     [self _saveConfig];
6075
6076     [progress_
6077         detachNewThreadSelector:@selector(update_)
6078         toTarget:self
6079         withObject:nil
6080         title:@"Updating Sources"
6081     ];
6082 }
6083
6084 - (void) reloadData {
6085     @synchronized (self) {
6086         if (confirm_ == nil)
6087             [self _reloadData];
6088     }
6089 }
6090
6091 - (void) resolve {
6092     pkgProblemResolver *resolver = [database_ resolver];
6093
6094     resolver->InstallProtect();
6095     if (!resolver->Resolve(true))
6096         _error->Discard();
6097 }
6098
6099 - (void) perform {
6100     [database_ prepare];
6101
6102     confirm_ = [[RVBook alloc] initWithFrame:[underlay_ bounds]];
6103     [confirm_ setDelegate:self];
6104
6105     ConfirmationView *page([[[ConfirmationView alloc] initWithBook:confirm_ database:database_] autorelease]);
6106     [page setDelegate:self];
6107
6108     [confirm_ setPage:page];
6109     [underlay_ popSubview:confirm_];
6110 }
6111
6112 - (void) installPackage:(Package *)package {
6113     @synchronized (self) {
6114         [package install];
6115         [self resolve];
6116         [self perform];
6117     }
6118 }
6119
6120 - (void) removePackage:(Package *)package {
6121     @synchronized (self) {
6122         [package remove];
6123         [self resolve];
6124         [self perform];
6125     }
6126 }
6127
6128 - (void) distUpgrade {
6129     @synchronized (self) {
6130         [database_ upgrade];
6131         [self perform];
6132     }
6133 }
6134
6135 - (void) cancel {
6136     @synchronized (self) {
6137         [self _reloadData];
6138         if (confirm_ != nil) {
6139             [confirm_ release];
6140             confirm_ = nil;
6141         }
6142     }
6143 }
6144
6145 - (void) confirm {
6146     [overlay_ removeFromSuperview];
6147     reload_ = true;
6148
6149     [progress_
6150         detachNewThreadSelector:@selector(perform)
6151         toTarget:database_
6152         withObject:nil
6153         title:@"Running"
6154     ];
6155 }
6156
6157 - (void) bootstrap_ {
6158     [database_ update];
6159     [database_ upgrade];
6160     [database_ prepare];
6161     [database_ perform];
6162 }
6163
6164 - (void) bootstrap {
6165     [progress_
6166         detachNewThreadSelector:@selector(bootstrap_)
6167         toTarget:self
6168         withObject:nil
6169         title:@"Bootstrap Install"
6170     ];
6171 }
6172
6173 - (void) progressViewIsComplete:(ProgressView *)progress {
6174     if (confirm_ != nil) {
6175         [underlay_ addSubview:overlay_];
6176         [confirm_ popFromSuperviewAnimated:NO];
6177     }
6178
6179     [self cancel];
6180 }
6181
6182 - (void) setPage:(RVPage *)page {
6183     [page resetViewAnimated:NO];
6184     [page setDelegate:self];
6185     [book_ setPage:page];
6186 }
6187
6188 - (RVPage *) _pageForURL:(NSURL *)url withClass:(Class)_class {
6189     BrowserView *browser = [[[_class alloc] initWithBook:book_ database:database_] autorelease];
6190     [browser loadURL:url];
6191     return browser;
6192 }
6193
6194 - (void) _setHomePage {
6195     [self setPage:[self _pageForURL:[NSURL URLWithString:@"http://cydia.saurik.com/"] withClass:[HomeView class]]];
6196 }
6197
6198 - (void) buttonBarItemTapped:(id)sender {
6199     unsigned tag = [sender tag];
6200     if (tag == tag_) {
6201         [book_ resetViewAnimated:YES];
6202         return;
6203     } else if (tag_ == 2 && tag != 2)
6204         [install_ resetView];
6205
6206     switch (tag) {
6207         case 1: [self _setHomePage]; break;
6208
6209         case 2: [self setPage:install_]; break;
6210         case 3: [self setPage:changes_]; break;
6211         case 4: [self setPage:manage_]; break;
6212         case 5: [self setPage:search_]; break;
6213
6214         default: _assert(false);
6215     }
6216
6217     tag_ = tag;
6218 }
6219
6220 - (void) applicationWillSuspend {
6221     [database_ clean];
6222     [super applicationWillSuspend];
6223 }
6224
6225 - (void) askForSettings {
6226     UIActionSheet *role = [[[UIActionSheet alloc]
6227         initWithTitle:@"Who Are You?"
6228         buttons:[NSArray arrayWithObjects:
6229             @"User (Graphical Only)",
6230             @"Hacker (+ Command Line)",
6231             @"Developer (No Filters)",
6232         nil]
6233         defaultButtonIndex:-1
6234         delegate:self
6235         context:@"role"
6236     ] autorelease];
6237
6238     [role setBodyText:@"Not all of the packages available via Cydia are designed to be used by all users. Please categorize yourself so that Cydia can apply helpful filters.\n\nThis choice can be changed from \"Settings\" under the \"Manage\" tab."];
6239     [role popupAlertAnimated:YES];
6240 }
6241
6242 - (void) finish {
6243     if (hud_ != nil) {
6244         [self setStatusBarShowsProgress:NO];
6245
6246         [hud_ show:NO];
6247         [hud_ removeFromSuperview];
6248         [hud_ autorelease];
6249         hud_ = nil;
6250
6251         pid_t pid = ExecFork();
6252         if (pid == 0) {
6253             execlp("launchctl", "launchctl", "stop", "com.apple.SpringBoard", NULL);
6254             perror("launchctl stop");
6255         }
6256
6257         return;
6258     }
6259
6260     if (Role_ == nil) {
6261         [self askForSettings];
6262         return;
6263     }
6264
6265     overlay_ = [[UIView alloc] initWithFrame:[underlay_ bounds]];
6266
6267     CGRect screenrect = [UIHardware fullScreenApplicationContentRect];
6268     book_ = [[CYBook alloc] initWithFrame:CGRectMake(
6269         0, 0, screenrect.size.width, screenrect.size.height - 48
6270     ) database:database_];
6271
6272     [book_ setDelegate:self];
6273
6274     [overlay_ addSubview:book_];
6275
6276     NSArray *buttonitems = [NSArray arrayWithObjects:
6277         [NSDictionary dictionaryWithObjectsAndKeys:
6278             @"buttonBarItemTapped:", kUIButtonBarButtonAction,
6279             @"home-up.png", kUIButtonBarButtonInfo,
6280             @"home-dn.png", kUIButtonBarButtonSelectedInfo,
6281             [NSNumber numberWithInt:1], kUIButtonBarButtonTag,
6282             self, kUIButtonBarButtonTarget,
6283             @"Home", kUIButtonBarButtonTitle,
6284             @"0", kUIButtonBarButtonType,
6285         nil],
6286
6287         [NSDictionary dictionaryWithObjectsAndKeys:
6288             @"buttonBarItemTapped:", kUIButtonBarButtonAction,
6289             @"install-up.png", kUIButtonBarButtonInfo,
6290             @"install-dn.png", kUIButtonBarButtonSelectedInfo,
6291             [NSNumber numberWithInt:2], kUIButtonBarButtonTag,
6292             self, kUIButtonBarButtonTarget,
6293             @"Sections", kUIButtonBarButtonTitle,
6294             @"0", kUIButtonBarButtonType,
6295         nil],
6296
6297         [NSDictionary dictionaryWithObjectsAndKeys:
6298             @"buttonBarItemTapped:", kUIButtonBarButtonAction,
6299             @"changes-up.png", kUIButtonBarButtonInfo,
6300             @"changes-dn.png", kUIButtonBarButtonSelectedInfo,
6301             [NSNumber numberWithInt:3], kUIButtonBarButtonTag,
6302             self, kUIButtonBarButtonTarget,
6303             @"Changes", kUIButtonBarButtonTitle,
6304             @"0", kUIButtonBarButtonType,
6305         nil],
6306
6307         [NSDictionary dictionaryWithObjectsAndKeys:
6308             @"buttonBarItemTapped:", kUIButtonBarButtonAction,
6309             @"manage-up.png", kUIButtonBarButtonInfo,
6310             @"manage-dn.png", kUIButtonBarButtonSelectedInfo,
6311             [NSNumber numberWithInt:4], kUIButtonBarButtonTag,
6312             self, kUIButtonBarButtonTarget,
6313             @"Manage", kUIButtonBarButtonTitle,
6314             @"0", kUIButtonBarButtonType,
6315         nil],
6316
6317         [NSDictionary dictionaryWithObjectsAndKeys:
6318             @"buttonBarItemTapped:", kUIButtonBarButtonAction,
6319             @"search-up.png", kUIButtonBarButtonInfo,
6320             @"search-dn.png", kUIButtonBarButtonSelectedInfo,
6321             [NSNumber numberWithInt:5], kUIButtonBarButtonTag,
6322             self, kUIButtonBarButtonTarget,
6323             @"Search", kUIButtonBarButtonTitle,
6324             @"0", kUIButtonBarButtonType,
6325         nil],
6326     nil];
6327
6328     buttonbar_ = [[UIToolbar alloc]
6329         initInView:overlay_
6330         withFrame:CGRectMake(
6331             0, screenrect.size.height - ButtonBarHeight_,
6332             screenrect.size.width, ButtonBarHeight_
6333         )
6334         withItemList:buttonitems
6335     ];
6336
6337     [buttonbar_ setDelegate:self];
6338     [buttonbar_ setBarStyle:1];
6339     [buttonbar_ setButtonBarTrackingMode:2];
6340
6341     int buttons[5] = {1, 2, 3, 4, 5};
6342     [buttonbar_ registerButtonGroup:0 withButtons:buttons withCount:5];
6343     [buttonbar_ showButtonGroup:0 withDuration:0];
6344
6345     for (int i = 0; i != 5; ++i)
6346         [[buttonbar_ viewWithTag:(i + 1)] setFrame:CGRectMake(
6347             i * 64 + 2, 1, 60, ButtonBarHeight_
6348         )];
6349
6350     [buttonbar_ showSelectionForButton:1];
6351     [overlay_ addSubview:buttonbar_];
6352
6353     [UIKeyboard initImplementationNow];
6354     CGSize keysize = [UIKeyboard defaultSize];
6355     CGRect keyrect = {{0, [overlay_ bounds].size.height}, keysize};
6356     keyboard_ = [[UIKeyboard alloc] initWithFrame:keyrect];
6357     [[UIKeyboardImpl sharedInstance] setSoundsEnabled:(Sounds_Keyboard_ ? YES : NO)];
6358     [overlay_ addSubview:keyboard_];
6359
6360     install_ = [[InstallView alloc] initWithBook:book_ database:database_];
6361     changes_ = [[ChangesView alloc] initWithBook:book_ database:database_];
6362     search_ = [[SearchView alloc] initWithBook:book_ database:database_];
6363
6364     manage_ = (ManageView *) [[self
6365         _pageForURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"manage" ofType:@"html"]]
6366         withClass:[ManageView class]
6367     ] retain];
6368
6369     if (!bootstrap_)
6370         [underlay_ addSubview:overlay_];
6371
6372     [self reloadData];
6373
6374     if (bootstrap_)
6375         [self bootstrap];
6376     else
6377         [self _setHomePage];
6378 }
6379
6380 - (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
6381     NSString *context = [sheet context];
6382     if ([context isEqualToString:@"fixhalf"])
6383         switch (button) {
6384             case 1:
6385                 @synchronized (self) {
6386                     for (int i = 0, e = [broken_ count]; i != e; ++i) {
6387                         Package *broken = [broken_ objectAtIndex:i];
6388                         [broken remove];
6389
6390                         NSString *id = [broken id];
6391                         unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.prerm", id] UTF8String]);
6392                         unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postrm", id] UTF8String]);
6393                         unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.preinst", id] UTF8String]);
6394                         unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postinst", id] UTF8String]);
6395                     }
6396
6397                     [self resolve];
6398                     [self perform];
6399                 }
6400             break;
6401
6402             case 2:
6403                 [broken_ removeAllObjects];
6404                 [self _loaded];
6405             break;
6406
6407             default:
6408                 _assert(false);
6409         }
6410     else if ([context isEqualToString:@"role"]) {
6411         switch (button) {
6412             case 1: Role_ = @"User"; break;
6413             case 2: Role_ = @"Hacker"; break;
6414             case 3: Role_ = @"Developer"; break;
6415
6416             default:
6417                 Role_ = nil;
6418                 _assert(false);
6419         }
6420
6421         bool reset = Settings_ != nil;
6422
6423         Settings_ = [NSMutableDictionary dictionaryWithObjectsAndKeys:
6424             Role_, @"Role",
6425         nil];
6426
6427         [Metadata_ setObject:Settings_ forKey:@"Settings"];
6428
6429         Changed_ = true;
6430
6431         if (reset)
6432             [self updateData];
6433         else
6434             [self finish];
6435     } else if ([context isEqualToString:@"upgrade"])
6436         switch (button) {
6437             case 1:
6438                 @synchronized (self) {
6439                     for (int i = 0, e = [essential_ count]; i != e; ++i) {
6440                         Package *essential = [essential_ objectAtIndex:i];
6441                         [essential install];
6442                     }
6443
6444                     [self resolve];
6445                     [self perform];
6446                 }
6447             break;
6448
6449             case 2:
6450                 [self distUpgrade];
6451             break;
6452
6453             case 3:
6454                 Ignored_ = YES;
6455             break;
6456
6457             default:
6458                 _assert(false);
6459         }
6460
6461     [sheet dismiss];
6462 }
6463
6464 - (void) reorganize { _pooled
6465     system("/usr/libexec/cydia/free.sh");
6466     [self performSelectorOnMainThread:@selector(finish) withObject:nil waitUntilDone:NO];
6467 }
6468
6469 - (void) applicationSuspend:(__GSEvent *)event {
6470     if (hud_ == nil && ![progress_ isRunning])
6471         [super applicationSuspend:event];
6472 }
6473
6474 - (void) _animateSuspension:(BOOL)arg0 duration:(double)arg1 startTime:(double)arg2 scale:(float)arg3 {
6475     if (hud_ == nil)
6476         [super _animateSuspension:arg0 duration:arg1 startTime:arg2 scale:arg3];
6477 }
6478
6479 - (void) _setSuspended:(BOOL)value {
6480     if (hud_ == nil)
6481         [super _setSuspended:value];
6482 }
6483
6484 - (UIProgressHUD *) addProgressHUD {
6485     UIProgressHUD *hud = [[UIProgressHUD alloc] initWithWindow:window_];
6486     [hud show:YES];
6487     [underlay_ addSubview:hud];
6488     return hud;
6489 }
6490
6491 - (void) openMailToURL:(NSURL *)url {
6492     [[[MailToView alloc] initWithView:underlay_ delegate:self url:url] autorelease];
6493 }
6494
6495 - (RVPage *) pageForPackage:(NSString *)name {
6496     if (Package *package = [database_ packageWithName:name]) {
6497         PackageView *view = [[[PackageView alloc] initWithBook:book_ database:database_] autorelease];
6498         [view setPackage:package];
6499         return view;
6500     } else {
6501         UIActionSheet *sheet = [[[UIActionSheet alloc]
6502             initWithTitle:@"Cannot Locate Package"
6503             buttons:[NSArray arrayWithObjects:@"Close", nil]
6504             defaultButtonIndex:0
6505             delegate:self
6506             context:@"missing"
6507         ] autorelease];
6508
6509         [sheet setBodyText:[NSString stringWithFormat:
6510             @"The package %@ cannot be found in your current sources. I might recommend installing more sources."
6511         , name]];
6512
6513         [sheet popupAlertAnimated:YES];
6514         return nil;
6515     }
6516 }
6517
6518 - (RVPage *) pageForURL:(NSURL *)url hasTag:(int *)tag {
6519     NSString *href = [url absoluteString];
6520
6521     if (tag != NULL)
6522         tag = 0;
6523
6524     if ([href isEqualToString:@"cydia://add-source"])
6525         return [[[AddSourceView alloc] initWithBook:book_ database:database_] autorelease];
6526     else if ([href isEqualToString:@"cydia://sources"])
6527         return [[[SourceTable alloc] initWithBook:book_ database:database_] autorelease];
6528     else if ([href isEqualToString:@"cydia://packages"])
6529         return [[[InstalledView alloc] initWithBook:book_ database:database_] autorelease];
6530     else if ([href hasPrefix:@"cydia://url/"])
6531         return [self _pageForURL:[NSURL URLWithString:[href substringFromIndex:12]] withClass:[BrowserView class]];
6532     else if ([href hasPrefix:@"cydia://launch/"])
6533         [self launchApplicationWithIdentifier:[href substringFromIndex:15] suspended:NO];
6534     else if ([href hasPrefix:@"cydia://package/"])
6535         return [self pageForPackage:[href substringFromIndex:16]];
6536     else if ([href hasPrefix:@"cydia://files/"]) {
6537         NSString *name = [href substringFromIndex:14];
6538
6539         if (Package *package = [database_ packageWithName:name]) {
6540             FileTable *files = [[[FileTable alloc] initWithBook:book_ database:database_] autorelease];
6541             [files setPackage:package];
6542             return files;
6543         }
6544     }
6545
6546     return nil;
6547 }
6548
6549 - (void) applicationOpenURL:(NSURL *)url {
6550     [super applicationOpenURL:url];
6551     int tag;
6552     if (RVPage *page = [self pageForURL:url hasTag:&tag]) {
6553         [self setPage:page];
6554         [buttonbar_ showSelectionForButton:tag];
6555         tag_ = tag;
6556     }
6557 }
6558
6559 - (void) applicationDidFinishLaunching:(id)unused {
6560     Font12_ = [[UIFont systemFontOfSize:12] retain];
6561     Font12Bold_ = [[UIFont boldSystemFontOfSize:12] retain];
6562     Font14_ = [[UIFont systemFontOfSize:14] retain];
6563     Font18Bold_ = [[UIFont boldSystemFontOfSize:18] retain];
6564     Font22Bold_ = [[UIFont boldSystemFontOfSize:22] retain];
6565
6566     _assert(pkgInitConfig(*_config));
6567     _assert(pkgInitSystem(*_config, _system));
6568
6569     tag_ = 1;
6570
6571     essential_ = [[NSMutableArray alloc] initWithCapacity:4];
6572     broken_ = [[NSMutableArray alloc] initWithCapacity:4];
6573
6574     CGRect screenrect = [UIHardware fullScreenApplicationContentRect];
6575     window_ = [[UIWindow alloc] initWithContentRect:screenrect];
6576
6577     [window_ orderFront:self];
6578     [window_ makeKey:self];
6579     [window_ setHidden:NO];
6580
6581     database_ = [[Database alloc] init];
6582     progress_ = [[ProgressView alloc] initWithFrame:[window_ bounds] database:database_ delegate:self];
6583     [database_ setDelegate:progress_];
6584     [window_ setContentView:progress_];
6585
6586     underlay_ = [[UIView alloc] initWithFrame:[progress_ bounds]];
6587     [progress_ setContentView:underlay_];
6588
6589     [progress_ resetView];
6590
6591     if (
6592         readlink("/Applications", NULL, 0) == -1 && errno == EINVAL ||
6593         readlink("/Library/Ringtones", NULL, 0) == -1 && errno == EINVAL ||
6594         readlink("/Library/Wallpaper", NULL, 0) == -1 && errno == EINVAL ||
6595         readlink("/usr/include", NULL, 0) == -1 && errno == EINVAL ||
6596         readlink("/usr/libexec", NULL, 0) == -1 && errno == EINVAL ||
6597         readlink("/usr/share", NULL, 0) == -1 && errno == EINVAL /*||
6598         readlink("/var/lib", NULL, 0) == -1 && errno == EINVAL*/
6599     ) {
6600         [self setIdleTimerDisabled:YES];
6601
6602         hud_ = [self addProgressHUD];
6603         [hud_ setText:@"Reorganizing\n\nWill Automatically\nRestart When Done"];
6604
6605         [self setStatusBarShowsProgress:YES];
6606
6607         [NSThread
6608             detachNewThreadSelector:@selector(reorganize)
6609             toTarget:self
6610             withObject:nil
6611         ];
6612     } else
6613         [self finish];
6614 }
6615
6616 /* Web Scripting {{{ */
6617 + (NSString *) webScriptNameForSelector:(SEL)selector {
6618     if (selector == @selector(supports:))
6619         return @"supports";
6620     return nil;
6621 }
6622
6623 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
6624     NSLog(@"exc:%s", sel_getName(selector));
6625     return selector != @selector(supports:);
6626 }
6627
6628 - (BOOL) supports:(NSString *)feature {
6629     return [feature isEqualToString:@"window.open"];
6630 }
6631 /* }}} */
6632
6633 - (void) showKeyboard:(BOOL)show {
6634     CGSize keysize = [UIKeyboard defaultSize];
6635     CGRect keydown = {{0, [overlay_ bounds].size.height}, keysize};
6636     CGRect keyup = keydown;
6637     keyup.origin.y -= keysize.height;
6638
6639     UIFrameAnimation *animation = [[[UIFrameAnimation alloc] initWithTarget:keyboard_] autorelease];
6640     [animation setSignificantRectFields:2];
6641
6642     if (show) {
6643         [animation setStartFrame:keydown];
6644         [animation setEndFrame:keyup];
6645         [keyboard_ activate];
6646     } else {
6647         [animation setStartFrame:keyup];
6648         [animation setEndFrame:keydown];
6649         [keyboard_ deactivate];
6650     }
6651
6652     [[UIAnimator sharedAnimator]
6653         addAnimations:[NSArray arrayWithObjects:animation, nil]
6654         withDuration:KeyboardTime_
6655         start:YES
6656     ];
6657 }
6658
6659 - (void) slideUp:(UIActionSheet *)alert {
6660     if (Advanced_)
6661         [alert presentSheetFromButtonBar:buttonbar_];
6662     else
6663         [alert presentSheetInView:overlay_];
6664 }
6665
6666 @end
6667
6668 void AddPreferences(NSString *plist) { _pooled
6669     NSMutableDictionary *settings = [[[NSMutableDictionary alloc] initWithContentsOfFile:plist] autorelease];
6670     _assert(settings != NULL);
6671     NSMutableArray *items = [settings objectForKey:@"items"];
6672
6673     bool cydia(false);
6674
6675     for (size_t i(0); i != [items count]; ++i) {
6676         NSMutableDictionary *item([items objectAtIndex:i]);
6677         NSString *label = [item objectForKey:@"label"];
6678         if (label != nil && [label isEqualToString:@"Cydia"]) {
6679             cydia = true;
6680             break;
6681         }
6682     }
6683
6684     if (!cydia) {
6685         for (size_t i(0); i != [items count]; ++i) {
6686             NSDictionary *item([items objectAtIndex:i]);
6687             NSString *label = [item objectForKey:@"label"];
6688             if (label != nil && [label isEqualToString:@"General"]) {
6689                 [items insertObject:[NSDictionary dictionaryWithObjectsAndKeys:
6690                     @"CydiaSettings", @"bundle",
6691                     @"PSLinkCell", @"cell",
6692                     [NSNumber numberWithBool:YES], @"hasIcon",
6693                     [NSNumber numberWithBool:YES], @"isController",
6694                     @"Cydia", @"label",
6695                 nil] atIndex:(i + 1)];
6696
6697                 break;
6698             }
6699         }
6700
6701         _assert([settings writeToFile:plist atomically:YES] == YES);
6702     }
6703 }
6704
6705 /*IMP alloc_;
6706 id Alloc_(id self, SEL selector) {
6707     id object = alloc_(self, selector);
6708     lprintf("[%s]A-%p\n", self->isa->name, object);
6709     return object;
6710 }*/
6711
6712 /*IMP dealloc_;
6713 id Dealloc_(id self, SEL selector) {
6714     id object = dealloc_(self, selector);
6715     lprintf("[%s]D-%p\n", self->isa->name, object);
6716     return object;
6717 }*/
6718
6719 int main(int argc, char *argv[]) { _pooled
6720     bootstrap_ = argc > 1 && strcmp(argv[1], "--bootstrap") == 0;
6721
6722     App_ = [[NSBundle mainBundle] bundlePath];
6723     Home_ = NSHomeDirectory();
6724     Locale_ = CFLocaleCopyCurrent();
6725
6726     {
6727         NSString *plist = [Home_ stringByAppendingString:@"/Library/Preferences/com.apple.preferences.sounds.plist"];
6728         if (NSDictionary *sounds = [NSDictionary dictionaryWithContentsOfFile:plist])
6729             if (NSNumber *keyboard = [sounds objectForKey:@"keyboard"])
6730                 Sounds_Keyboard_ = [keyboard boolValue];
6731     }
6732
6733     setuid(0);
6734     setgid(0);
6735
6736     if (unlink("/var/cache/apt/pkgcache.bin") == -1)
6737         _assert(errno == ENOENT);
6738     if (unlink("/var/cache/apt/srcpkgcache.bin") == -1)
6739         _assert(errno == ENOENT);
6740
6741     /*Method alloc = class_getClassMethod([NSObject class], @selector(alloc));
6742     alloc_ = alloc->method_imp;
6743     alloc->method_imp = (IMP) &Alloc_;*/
6744
6745     /*Method dealloc = class_getClassMethod([NSObject class], @selector(dealloc));
6746     dealloc_ = dealloc->method_imp;
6747     dealloc->method_imp = (IMP) &Dealloc_;*/
6748
6749     size_t size;
6750
6751     int maxproc;
6752     size = sizeof(maxproc);
6753     if (sysctlbyname("kern.maxproc", &maxproc, &size, NULL, 0) == -1)
6754         perror("sysctlbyname(\"kern.maxproc\", ?)");
6755     else if (maxproc < 64) {
6756         maxproc = 64;
6757         if (sysctlbyname("kern.maxproc", NULL, NULL, &maxproc, sizeof(maxproc)) == -1)
6758             perror("sysctlbyname(\"kern.maxproc\", #)");
6759     }
6760
6761     sysctlbyname("hw.machine", NULL, &size, NULL, 0);
6762     char *machine = new char[size];
6763     if (sysctlbyname("hw.machine", machine, &size, NULL, 0) == -1)
6764         perror("sysctlbyname(\"hw.machine\", ?)");
6765     else
6766         Machine_ = machine;
6767
6768     UniqueID_ = [[UIDevice currentDevice] uniqueIdentifier];
6769
6770     /*AddPreferences(@"/Applications/Preferences.app/Settings-iPhone.plist");
6771     AddPreferences(@"/Applications/Preferences.app/Settings-iPod.plist");*/
6772
6773     if ((Metadata_ = [[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"]) == NULL)
6774         Metadata_ = [[NSMutableDictionary alloc] initWithCapacity:2];
6775     else {
6776         Settings_ = [Metadata_ objectForKey:@"Settings"];
6777
6778         Packages_ = [Metadata_ objectForKey:@"Packages"];
6779         Sections_ = [Metadata_ objectForKey:@"Sections"];
6780         Sources_ = [Metadata_ objectForKey:@"Sources"];
6781     }
6782
6783     if (Settings_ != nil)
6784         Role_ = [Settings_ objectForKey:@"Role"];
6785
6786     if (Packages_ == nil) {
6787         Packages_ = [[[NSMutableDictionary alloc] initWithCapacity:128] autorelease];
6788         [Metadata_ setObject:Packages_ forKey:@"Packages"];
6789     }
6790
6791     if (Sections_ == nil) {
6792         Sections_ = [[[NSMutableDictionary alloc] initWithCapacity:32] autorelease];
6793         [Metadata_ setObject:Sections_ forKey:@"Sections"];
6794     }
6795
6796     if (Sources_ == nil) {
6797         Sources_ = [[[NSMutableDictionary alloc] initWithCapacity:0] autorelease];
6798         [Metadata_ setObject:Sources_ forKey:@"Sources"];
6799     }
6800
6801 #if RecycleWebViews
6802     Documents_ = [[[NSMutableArray alloc] initWithCapacity:4] autorelease];
6803 #endif
6804
6805     if (access("/Library/MobileSubstrate/MobileSubstrate.dylib", F_OK) == 0)
6806         dlopen("/Library/MobileSubstrate/MobileSubstrate.dylib", RTLD_LAZY | RTLD_GLOBAL);
6807
6808     if (access("/User", F_OK) != 0)
6809         system("/usr/libexec/cydia/firmware.sh");
6810
6811     _assert([[NSFileManager defaultManager]
6812         createDirectoryAtPath:@"/var/cache/apt/archives/partial"
6813         withIntermediateDirectories:YES
6814         attributes:nil
6815         error:NULL
6816     ]);
6817
6818     space_ = CGColorSpaceCreateDeviceRGB();
6819
6820     Blue_.Set(space_, 0.2, 0.2, 1.0, 1.0);
6821     Blueish_.Set(space_, 0x19/255.f, 0x32/255.f, 0x50/255.f, 1.0);
6822     Black_.Set(space_, 0.0, 0.0, 0.0, 1.0);
6823     Off_.Set(space_, 0.9, 0.9, 0.9, 1.0);
6824     White_.Set(space_, 1.0, 1.0, 1.0, 1.0);
6825     Gray_.Set(space_, 0.4, 0.4, 0.4, 1.0);
6826
6827     Finishes_ = [NSArray arrayWithObjects:@"return", @"reopen", @"restart", @"reload", @"reboot", nil];
6828
6829     SectionMap_ = [[[NSDictionary alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Sections" ofType:@"plist"]] autorelease];
6830
6831     UIApplicationUseLegacyEvents(YES);
6832     UIKeyboardDisableAutomaticAppearance();
6833
6834     int value = UIApplicationMain(argc, argv, @"Cydia", @"Cydia");
6835
6836     CGColorSpaceRelease(space_);
6837     CFRelease(Locale_);
6838
6839     return value;
6840 }