UICaboodle/BrowserView.m

   1 #include <BrowserView.h>
   2
   3 /* Indirect Delegate {{{ */
   4 @interface IndirectDelegate : NSProxy {
   5     _transient volatile id delegate_;
   6 }
   7
   8 - (void) setDelegate:(id)delegate;
   9 - (id) initWithDelegate:(id)delegate;
  10 @end
  11
  12 @implementation IndirectDelegate
  13
  14 - (void) setDelegate:(id)delegate {
  15     delegate_ = delegate;
  16 }
  17
  18 - (id) initWithDelegate:(id)delegate {
  19     delegate_ = delegate;
  20     return self;
  21 }
  22
  23 - (BOOL) respondsToSelector:(SEL)sel {
  24     return delegate_ == nil ? FALSE : [delegate_ respondsToSelector:sel];
  25 }
  26
  27 - (NSMethodSignature *) methodSignatureForSelector:(SEL)sel {
  28     if (delegate_ != nil)
  29         if (NSMethodSignature *sig = [delegate_ methodSignatureForSelector:sel])
  30             return sig;
  31     // XXX: I fucking hate Apple so very very bad
  32     return [NSMethodSignature signatureWithObjCTypes:"v@:"];
  33 }
  34
  35 - (void) forwardInvocation:(NSInvocation *)inv {
  36     SEL sel = [inv selector];
  37     if (delegate_ != nil && [delegate_ respondsToSelector:sel])
  38         [inv invokeWithTarget:delegate_];
  39 }
  40
  41 @end
  42 /* }}} */
  43
  44 @interface WebView (Cydia)
  45 - (void) setScriptDebugDelegate:(id)delegate;
  46 - (void) _setFormDelegate:(id)delegate;
  47 - (void) _setUIKitDelegate:(id)delegate;
  48 - (void) setWebMailDelegate:(id)delegate;
  49 - (void) _setLayoutInterval:(float)interval;
  50 @end
  51
  52 /* Web Scripting {{{ */
  53 @interface CydiaObject : NSObject {
  54     id indirect_;
  55 }
  56
  57 - (id) initWithDelegate:(IndirectDelegate *)indirect;
  58 @end
  59
  60 @implementation CydiaObject
  61
  62 - (void) dealloc {
  63     [indirect_ release];
  64     [super dealloc];
  65 }
  66
  67 - (id) initWithDelegate:(IndirectDelegate *)indirect {
  68     if ((self = [super init]) != nil) {
  69         indirect_ = [indirect retain];
  70     } return self;
  71 }
  72
  73 + (NSString *) webScriptNameForSelector:(SEL)selector {
  74     if (selector == @selector(getPackageById:))
  75         return @"getPackageById";
  76     else if (selector == @selector(setButtonImage:withStyle:toFunction:))
  77         return @"setButtonImage";
  78     else if (selector == @selector(setButtonTitle:withStyle:toFunction:))
  79         return @"setButtonTitle";
  80     else if (selector == @selector(supports:))
  81         return @"supports";
  82     else if (selector == @selector(du:))
  83         return @"du";
  84     else if (selector == @selector(statfs:))
  85         return @"statfs";
  86     else
  87         return nil;
  88 }
  89
  90 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
  91     return [self webScriptNameForSelector:selector] == nil;
  92 }
  93
  94 - (BOOL) supports:(NSString *)feature {
  95     return [feature isEqualToString:@"window.open"];
  96 }
  97
  98 - (Package *) getPackageById:(NSString *)id {
  99     return [[Database sharedInstance] packageWithName:id];
 100 }
 101
 102 - (NSArray *) statfs:(NSString *)path {
 103     struct statfs stat;
 104
 105     if (path == nil || statfs([path UTF8String], &stat) == -1)
 106         return nil;
 107
 108     return [NSArray arrayWithObjects:
 109         [NSNumber numberWithUnsignedLong:stat.f_bsize],
 110         [NSNumber numberWithUnsignedLong:stat.f_blocks],
 111         [NSNumber numberWithUnsignedLong:stat.f_bfree],
 112     nil];
 113 }
 114
 115 - (NSNumber *) du:(NSString *)path {
 116     NSNumber *value(nil);
 117
 118     int fds[2];
 119     _assert(pipe(fds) != -1);
 120
 121     pid_t pid(ExecFork());
 122     if (pid == 0) {
 123         _assert(dup2(fds[1], 1) != -1);
 124         _assert(close(fds[0]) != -1);
 125         _assert(close(fds[1]) != -1);
 126         execlp("du", "du", "-s", [path UTF8String], NULL);
 127         exit(1);
 128         _assert(false);
 129     }
 130
 131     _assert(close(fds[1]) != -1);
 132
 133     if (FILE *du = fdopen(fds[0], "r")) {
 134         char line[1024];
 135         while (fgets(line, sizeof(line), du) != NULL) {
 136             size_t length(strlen(line));
 137             while (length != 0 && line[length - 1] == '\n')
 138                 line[--length] = '\0';
 139             if (char *tab = strchr(line, '\t')) {
 140                 *tab = '\0';
 141                 value = [NSNumber numberWithUnsignedLong:strtoul(line, NULL, 0)];
 142             }
 143         }
 144
 145         fclose(du);
 146     } else _assert(close(fds[0]));
 147
 148     int status;
 149   wait:
 150     if (waitpid(pid, &status, 0) == -1)
 151         if (errno == EINTR)
 152             goto wait;
 153         else _assert(false);
 154
 155     return value;
 156 }
 157
 158 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 159     [indirect_ setButtonImage:button withStyle:style toFunction:function];
 160 }
 161
 162 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 163     [indirect_ setButtonTitle:button withStyle:style toFunction:function];
 164 }
 165
 166 @end
 167 /* }}} */
 168
 169 @implementation BrowserView
 170
 171 #if ForSaurik
 172 #include "Internals.h"
 173 #endif
 174
 175 - (void) dealloc {
 176     if (challenge_ != nil)
 177         [challenge_ release];
 178
 179     WebView *webview = [webview_ webView];
 180     [webview setFrameLoadDelegate:nil];
 181     [webview setResourceLoadDelegate:nil];
 182     [webview setUIDelegate:nil];
 183     [webview setScriptDebugDelegate:nil];
 184     [webview setPolicyDelegate:nil];
 185
 186     [webview setDownloadDelegate:nil];
 187
 188     [webview _setFormDelegate:nil];
 189     [webview _setUIKitDelegate:nil];
 190     [webview setWebMailDelegate:nil];
 191     [webview setEditingDelegate:nil];
 192
 193     [webview_ setDelegate:nil];
 194     [webview_ setGestureDelegate:nil];
 195
 196     //NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
 197
 198     [webview close];
 199
 200 #if RecycleWebViews
 201     [webview_ removeFromSuperview];
 202     [Documents_ addObject:[webview_ autorelease]];
 203 #else
 204     [webview_ release];
 205 #endif
 206
 207     [indirect_ setDelegate:nil];
 208     [indirect_ release];
 209
 210     [cydia_ release];
 211
 212     [scroller_ setDelegate:nil];
 213
 214     if (button_ != nil)
 215         [button_ release];
 216     if (style_ != nil)
 217         [style_ release];
 218     if (function_ != nil)
 219         [function_ release];
 220
 221     [scroller_ release];
 222     [indicator_ release];
 223     if (confirm_ != nil)
 224         [confirm_ release];
 225     if (title_ != nil)
 226         [title_ release];
 227     [super dealloc];
 228 }
 229
 230 - (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
 231     [self loadRequest:[NSURLRequest
 232         requestWithURL:url
 233         cachePolicy:policy
 234         timeoutInterval:30.0
 235     ]];
 236 }
 237
 238 - (void) loadURL:(NSURL *)url {
 239     [self loadURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy];
 240 }
 241
 242 - (NSMutableURLRequest *) _addHeadersToRequest:(NSURLRequest *)request {
 243     NSMutableURLRequest *copy = [request mutableCopy];
 244
 245     if (Machine_ != NULL)
 246         [copy setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
 247     if (UniqueID_ != nil)
 248         [copy setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
 249
 250     if (Role_ != nil)
 251         [copy setValue:Role_ forHTTPHeaderField:@"X-Role"];
 252
 253     return copy;
 254 }
 255
 256 - (void) loadRequest:(NSURLRequest *)request {
 257     pushed_ = true;
 258     error_ = false;
 259     [webview_ loadRequest:request];
 260 }
 261
 262 - (void) reloadURL {
 263     NSLog(@"rlu:%@", request_);
 264     if (request_ == nil)
 265         return;
 266
 267     if ([request_ HTTPBody] == nil && [request_ HTTPBodyStream] == nil)
 268         [self loadRequest:request_];
 269     else {
 270         UIActionSheet *sheet = [[[UIActionSheet alloc]
 271             initWithTitle:@"Are you sure you want to submit this form again?"
 272             buttons:[NSArray arrayWithObjects:@"Cancel", @"Submit", nil]
 273             defaultButtonIndex:0
 274             delegate:self
 275             context:@"submit"
 276         ] autorelease];
 277
 278         [sheet setNumberOfRows:1];
 279         [sheet popupAlertAnimated:YES];
 280     }
 281 }
 282
 283 - (WebView *) webView {
 284     return [webview_ webView];
 285 }
 286
 287 - (void) view:(UIView *)sender didSetFrame:(CGRect)frame {
 288     [scroller_ setContentSize:frame.size];
 289 }
 290
 291 - (void) view:(UIView *)sender didSetFrame:(CGRect)frame oldFrame:(CGRect)old {
 292     [self view:sender didSetFrame:frame];
 293 }
 294
 295 - (void) pushPage:(RVPage *)page {
 296     [page setDelegate:delegate_];
 297     [book_ pushPage:page];
 298     [self setBackButtonTitle:title_];
 299 }
 300
 301 - (BOOL) getSpecial:(NSURL *)url {
 302     NSString *href([url absoluteString]);
 303     NSString *scheme([[url scheme] lowercaseString]);
 304
 305     RVPage *page = nil;
 306
 307     if ([href hasPrefix:@"apptapp://package/"])
 308         page = [delegate_ pageForPackage:[href substringFromIndex:18]];
 309     else if ([scheme isEqualToString:@"cydia"]) {
 310         page = [delegate_ pageForURL:url hasTag:NULL];
 311         if (page == nil)
 312             return false;
 313     } else if (![scheme isEqualToString:@"apptapp"])
 314         return false;
 315
 316     if (page != nil)
 317         [self pushPage:page];
 318     return true;
 319 }
 320
 321 - (void) webView:(WebView *)sender runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 322     UIActionSheet *sheet = [[[UIActionSheet alloc]
 323         initWithTitle:nil
 324         buttons:[NSArray arrayWithObjects:@"OK", nil]
 325         defaultButtonIndex:0
 326         delegate:self
 327         context:@"alert"
 328     ] autorelease];
 329
 330     [sheet setBodyText:message];
 331     [sheet popupAlertAnimated:YES];
 332 }
 333
 334 - (BOOL) webView:(WebView *)sender runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 335     UIActionSheet *sheet = [[[UIActionSheet alloc]
 336         initWithTitle:nil
 337         buttons:[NSArray arrayWithObjects:@"OK", @"Cancel", nil]
 338         defaultButtonIndex:0
 339         delegate:self
 340         context:@"confirm"
 341     ] autorelease];
 342
 343     [sheet setNumberOfRows:1];
 344     [sheet setBodyText:message];
 345     [sheet popupAlertAnimated:YES];
 346
 347     NSRunLoop *loop([NSRunLoop currentRunLoop]);
 348     NSDate *future([NSDate distantFuture]);
 349
 350     while (confirm_ == nil && [loop runMode:NSDefaultRunLoopMode beforeDate:future]);
 351
 352     NSNumber *confirm([confirm_ autorelease]);
 353     confirm_ = nil;
 354     return [confirm boolValue];
 355 }
 356
 357 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 358     if (button_ != nil)
 359         [button_ autorelease];
 360     button_ = button == nil ? nil : [[UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:button]]] retain];
 361
 362     if (style_ != nil)
 363         [style_ autorelease];
 364     style_ = style == nil ? nil : [style retain];
 365
 366     if (function_ != nil)
 367         [function_ autorelease];
 368     function_ = function == nil ? nil : [function retain];
 369 }
 370
 371 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 372     if (button_ != nil)
 373         [button_ autorelease];
 374     button_ = button == nil ? nil : [button retain];
 375
 376     if (style_ != nil)
 377         [style_ autorelease];
 378     style_ = style == nil ? nil : [style retain];
 379
 380     if (function_ != nil)
 381         [function_ autorelease];
 382     function_ = function == nil ? nil : [function retain];
 383 }
 384
 385 - (void) webViewClose:(WebView *)sender {
 386     [book_ close];
 387 }
 388
 389 - (void) webView:(WebView *)sender didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 390     [window setValue:cydia_ forKey:@"cydia"];
 391 }
 392
 393 - (void) webView:(WebView *)sender unableToImplementPolicyWithError:(NSError *)error frame:(WebFrame *)frame {
 394     NSLog(@"err:%@", error);
 395 }
 396
 397 - (void) webView:(WebView *)sender decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)name decisionListener:(id<WebPolicyDecisionListener>)listener {
 398     if (NSURL *url = [request URL]) {
 399         if (name == nil) unknown: {
 400             NSLog(@"win:%@:%@", url, [action description]);
 401             if (![self getSpecial:url]) {
 402                 NSString *scheme([[url scheme] lowercaseString]);
 403                 if ([scheme isEqualToString:@"mailto"])
 404                     [delegate_ openMailToURL:url];
 405                 else goto use;
 406             }
 407         } else if ([name isEqualToString:@"_open"])
 408             [delegate_ openURL:url];
 409         else if ([name isEqualToString:@"_popup"]) {
 410             RVBook *book([[[RVPopUpBook alloc] initWithFrame:[delegate_ popUpBounds]] autorelease]);
 411
 412             RVPage *page([delegate_ pageForURL:url hasTag:NULL]);
 413             if (page == nil) {
 414                 BrowserView *browser([[[BrowserView alloc] initWithBook:book] autorelease]);
 415                 [browser loadURL:url];
 416                 page = browser;
 417             }
 418
 419             [book setDelegate:delegate_];
 420             [page setDelegate:delegate_];
 421
 422             [book setPage:page];
 423             [book_ pushBook:book];
 424         } else goto unknown;
 425
 426         [listener ignore];
 427     } else use:
 428         [listener use];
 429 }
 430
 431 - (void) webView:(WebView *)webView decidePolicyForMIMEType:(NSString *)type request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 432     if ([WebView canShowMIMEType:type])
 433         [listener use];
 434     else {
 435         // XXX: handle more mime types!
 436         [listener ignore];
 437         if (frame == [webView mainFrame])
 438             [UIApp openURL:[request URL]];
 439     }
 440 }
 441
 442 - (void) webView:(WebView *)sender decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 443     if (request == nil) ignore: {
 444         [listener ignore];
 445         return;
 446     }
 447
 448     NSURL *url([request URL]);
 449
 450     if (url == nil) use: {
 451         if (!error_ && [frame parentFrame] == nil) {
 452             if (request_ != nil)
 453                 [request_ autorelease];
 454             request_ = [request retain];
 455 #if ForSaurik
 456             NSLog(@"dpn:%@", request_);
 457 #endif
 458         }
 459
 460         [listener use];
 461         return;
 462     }
 463 #if ForSaurik
 464     else NSLog(@"nav:%@:%@", url, [action description]);
 465 #endif
 466
 467     const NSArray *capability(reinterpret_cast<const NSArray *>(GSSystemGetCapability(kGSDisplayIdentifiersCapability)));
 468
 469     if (
 470         [capability containsObject:@"com.apple.Maps"] && [url mapsURL] ||
 471         [capability containsObject:@"com.apple.youtube"] && [url youTubeURL]
 472     ) {
 473       open:
 474         [UIApp openURL:url];
 475         goto ignore;
 476     }
 477
 478     int store(_not(int));
 479     if (NSURL *itms = [url itmsURL:&store]) {
 480         NSLog(@"itms#%@#%u#%@", url, store, itms);
 481         if (
 482             store == 1 && [capability containsObject:@"com.apple.MobileStore"] ||
 483             store == 2 && [capability containsObject:@"com.apple.AppStore"]
 484         ) {
 485             url = itms;
 486             goto open;
 487         }
 488     }
 489
 490     NSString *scheme([[url scheme] lowercaseString]);
 491
 492     if ([scheme isEqualToString:@"tel"]) {
 493         // XXX: intelligence
 494         goto open;
 495     }
 496
 497     if ([scheme isEqualToString:@"mailto"]) {
 498         [delegate_ openMailToURL:url];
 499         goto ignore;
 500     }
 501
 502     if ([self getSpecial:url])
 503         goto ignore;
 504     else if ([WebView _canHandleRequest:request])
 505         goto use;
 506     else if ([url isSpringboardHandledURL])
 507         goto open;
 508     else
 509         goto use;
 510 }
 511
 512 - (void) webView:(WebView *)sender setStatusText:(NSString *)text {
 513     //lprintf("Status:%s\n", [text UTF8String]);
 514 }
 515
 516 - (void) _pushPage {
 517     if (pushed_)
 518         return;
 519     pushed_ = true;
 520     [book_ pushPage:self];
 521 }
 522
 523 - (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
 524     NSString *context([sheet context]);
 525
 526     if ([context isEqualToString:@"alert"])
 527         [sheet dismiss];
 528     else if ([context isEqualToString:@"confirm"]) {
 529         switch (button) {
 530             case 1:
 531                 confirm_ = [NSNumber numberWithBool:YES];
 532             break;
 533
 534             case 2:
 535                 confirm_ = [NSNumber numberWithBool:NO];
 536             break;
 537         }
 538
 539         [sheet dismiss];
 540     } else if ([context isEqualToString:@"challenge"]) {
 541         id<NSURLAuthenticationChallengeSender> sender([challenge_ sender]);
 542
 543         switch (button) {
 544             case 1: {
 545                 NSString *username([[sheet textFieldAtIndex:0] text]);
 546                 NSString *password([[sheet textFieldAtIndex:1] text]);
 547
 548                 NSURLCredential *credential([NSURLCredential credentialWithUser:username password:password persistence:NSURLCredentialPersistenceForSession]);
 549
 550                 [sender useCredential:credential forAuthenticationChallenge:challenge_];
 551             } break;
 552
 553             case 2:
 554                 [sender cancelAuthenticationChallenge:challenge_];
 555             break;
 556
 557             default:
 558                 _assert(false);
 559         }
 560
 561         [challenge_ release];
 562         challenge_ = nil;
 563
 564         [sheet dismiss];
 565     } else if ([context isEqualToString:@"submit"]) {
 566         switch (button) {
 567             case 1:
 568             break;
 569
 570             case 2:
 571                 if (request_ != nil)
 572                     [webview_ loadRequest:request_];
 573             break;
 574
 575             default:
 576                 _assert(false);
 577         }
 578
 579         [sheet dismiss];
 580     }
 581 }
 582
 583 - (void) webView:(WebView *)sender resource:(id)identifier didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge fromDataSource:(WebDataSource *)source {
 584     challenge_ = [challenge retain];
 585
 586     NSURLProtectionSpace *space([challenge protectionSpace]);
 587     NSString *realm([space realm]);
 588     if (realm == nil)
 589         realm = @"";
 590
 591     UIActionSheet *sheet = [[[UIActionSheet alloc]
 592         initWithTitle:realm
 593         buttons:[NSArray arrayWithObjects:@"Login", @"Cancel", nil]
 594         defaultButtonIndex:0
 595         delegate:self
 596         context:@"challenge"
 597     ] autorelease];
 598
 599     [sheet setNumberOfRows:1];
 600
 601     [sheet addTextFieldWithValue:@"" label:@"username"];
 602     [sheet addTextFieldWithValue:@"" label:@"password"];
 603
 604     UITextField *username([sheet textFieldAtIndex:0]); {
 605         UITextInputTraits *traits([username textInputTraits]);
 606         [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
 607         [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
 608         [traits setKeyboardType:UIKeyboardTypeASCIICapable];
 609         [traits setReturnKeyType:UIReturnKeyNext];
 610     }
 611
 612     UITextField *password([sheet textFieldAtIndex:1]); {
 613         UITextInputTraits *traits([password textInputTraits]);
 614         [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
 615         [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
 616         [traits setKeyboardType:UIKeyboardTypeASCIICapable];
 617         // XXX: UIReturnKeyDone
 618         [traits setReturnKeyType:UIReturnKeyNext];
 619         [traits setSecureTextEntry:YES];
 620     }
 621
 622     [sheet popupAlertAnimated:YES];
 623 }
 624
 625 - (NSURLRequest *) webView:(WebView *)sender resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)redirectResponse fromDataSource:(WebDataSource *)source {
 626     NSURL *url = [request URL];
 627     if ([self getSpecial:url])
 628         return nil;
 629     [self _pushPage];
 630     return [self _addHeadersToRequest:request];
 631 }
 632
 633 - (WebView *) _createWebViewWithRequest:(NSURLRequest *)request pushed:(BOOL)pushed {
 634     [self setBackButtonTitle:title_];
 635
 636     BrowserView *browser = [[[BrowserView alloc] initWithBook:book_] autorelease];
 637     [browser setDelegate:delegate_];
 638
 639     if (pushed) {
 640         [browser loadRequest:request];
 641         [book_ pushPage:browser];
 642     }
 643
 644     return [browser webView];
 645 }
 646
 647 - (WebView *) webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request {
 648     return [self _createWebViewWithRequest:request pushed:(request != nil)];
 649 }
 650
 651 - (WebView *) webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request windowFeatures:(NSDictionary *)features {
 652     return [self _createWebViewWithRequest:request pushed:YES];
 653 }
 654
 655 - (void) webView:(WebView *)sender didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 656     if ([frame parentFrame] != nil)
 657         return;
 658
 659     title_ = [title retain];
 660     [book_ reloadTitleForPage:self];
 661 }
 662
 663 - (void) webView:(WebView *)sender didStartProvisionalLoadForFrame:(WebFrame *)frame {
 664     if ([frame parentFrame] != nil)
 665         return;
 666
 667     reloading_ = false;
 668     loading_ = true;
 669     [self reloadButtons];
 670
 671     if (title_ != nil) {
 672         [title_ release];
 673         title_ = nil;
 674     }
 675
 676     if (button_ != nil) {
 677         [button_ release];
 678         button_ = nil;
 679     }
 680
 681     if (style_ != nil) {
 682         [style_ release];
 683         style_ = nil;
 684     }
 685
 686     if (function_ != nil) {
 687         [function_ release];
 688         function_ = nil;
 689     }
 690
 691     [book_ reloadTitleForPage:self];
 692
 693     [scroller_ scrollPointVisibleAtTopLeft:CGPointZero];
 694
 695     CGRect webrect = [scroller_ bounds];
 696     webrect.size.height = 0;
 697     [webview_ setFrame:webrect];
 698 }
 699
 700 - (void) _finishLoading {
 701     if (!reloading_) {
 702         loading_ = false;
 703         [self reloadButtons];
 704     }
 705 }
 706
 707 - (bool) _loading {
 708     return loading_;
 709 }
 710
 711 - (void) reloadButtons {
 712     if ([self _loading])
 713         [indicator_ startAnimation];
 714     else
 715         [indicator_ stopAnimation];
 716     [super reloadButtons];
 717 }
 718
 719 - (BOOL) webView:(WebView *)sender shouldScrollToPoint:(struct CGPoint)point forFrame:(WebFrame *)frame {
 720     return [webview_ webView:sender shouldScrollToPoint:point forFrame:frame];
 721 }
 722
 723 - (void) webView:(WebView *)sender didReceiveViewportArguments:(id)arguments forFrame:(WebFrame *)frame {
 724     return [webview_ webView:sender didReceiveViewportArguments:arguments forFrame:frame];
 725 }
 726
 727 - (void) webView:(WebView *)sender needsScrollNotifications:(id)notifications forFrame:(WebFrame *)frame {
 728     return [webview_ webView:sender needsScrollNotifications:notifications forFrame:frame];
 729 }
 730
 731 - (void) webView:(WebView *)sender didCommitLoadForFrame:(WebFrame *)frame {
 732     return [webview_ webView:sender didCommitLoadForFrame:frame];
 733 }
 734
 735 - (void) webView:(WebView *)sender didReceiveDocTypeForFrame:(WebFrame *)frame {
 736     return [webview_ webView:sender didReceiveDocTypeForFrame:frame];
 737 }
 738
 739 - (void) webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame {
 740     if ([frame parentFrame] == nil) {
 741         [self _finishLoading];
 742
 743         if (DOMDocument *document = [frame DOMDocument])
 744             if (DOMNodeList<NSFastEnumeration> *bodies = [document getElementsByTagName:@"body"])
 745                 for (DOMHTMLBodyElement *body in bodies) {
 746                     DOMCSSStyleDeclaration *style([document getComputedStyle:body pseudoElement:nil]);
 747
 748                     bool colored(false);
 749
 750                     if (DOMCSSPrimitiveValue *color = static_cast<DOMCSSPrimitiveValue *>([style getPropertyCSSValue:@"background-color"])) {
 751                         if ([color primitiveType] == DOM_CSS_RGBCOLOR) {
 752                             DOMRGBColor *rgb([color getRGBColorValue]);
 753
 754                             float red([[rgb red] getFloatValue:DOM_CSS_NUMBER]);
 755                             float green([[rgb green] getFloatValue:DOM_CSS_NUMBER]);
 756                             float blue([[rgb blue] getFloatValue:DOM_CSS_NUMBER]);
 757                             float alpha([[rgb alpha] getFloatValue:DOM_CSS_NUMBER]);
 758
 759                             UIColor *uic(nil);
 760
 761                             if (red == 0xc7 && green == 0xce && blue == 0xd5)
 762                                 uic = [UIColor pinStripeColor];
 763                             else if (alpha != 0)
 764                                 uic = [UIColor
 765                                     colorWithRed:(red / 255)
 766                                     green:(green / 255)
 767                                     blue:(blue / 255)
 768                                     alpha:alpha
 769                                 ];
 770
 771                             if (uic != nil) {
 772                                 colored = true;
 773                                 [scroller_ setBackgroundColor:uic];
 774                             }
 775                         }
 776                     }
 777
 778                     if (!colored)
 779                         [scroller_ setBackgroundColor:[UIColor pinStripeColor]];
 780                     break;
 781                 }
 782     }
 783
 784     return [webview_ webView:sender didFinishLoadForFrame:frame];
 785 }
 786
 787 - (void) webView:(WebView *)sender didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 788     if ([frame parentFrame] != nil)
 789         return;
 790     if (reloading_)
 791         return;
 792     [self _finishLoading];
 793
 794     [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@?%@",
 795         [[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"error" ofType:@"html"]] absoluteString],
 796         [[error localizedDescription] stringByAddingPercentEscapes]
 797     ]]];
 798
 799     error_ = true;
 800 }
 801
 802 - (void) webView:(WebView *)sender addMessageToConsole:(NSDictionary *)dictionary {
 803 #if ForSaurik
 804     lprintf("Console:%s\n", [[dictionary description] UTF8String]);
 805 #endif
 806 }
 807
 808 - (id) initWithBook:(RVBook *)book {
 809     if ((self = [super initWithBook:book]) != nil) {
 810         loading_ = false;
 811
 812         struct CGRect bounds = [self bounds];
 813
 814         scroller_ = [[UIScroller alloc] initWithFrame:bounds];
 815         [self addSubview:scroller_];
 816
 817         [scroller_ setShowBackgroundShadow:NO];
 818         [scroller_ setFixedBackgroundPattern:YES];
 819         [scroller_ setBackgroundColor:[UIColor pinStripeColor]];
 820
 821         [scroller_ setScrollingEnabled:YES];
 822         [scroller_ setAdjustForContentSizeChange:YES];
 823         [scroller_ setClipsSubviews:YES];
 824         [scroller_ setAllowsRubberBanding:YES];
 825         [scroller_ setScrollDecelerationFactor:0.99];
 826         [scroller_ setDelegate:self];
 827
 828         CGRect webrect = [scroller_ bounds];
 829         webrect.size.height = 0;
 830
 831         WebView *webview;
 832
 833 #if RecycleWebViews
 834         webview_ = [Documents_ lastObject];
 835         if (webview_ != nil) {
 836             webview_ = [webview_ retain];
 837             webview = [webview_ webView];
 838             [Documents_ removeLastObject];
 839             [webview_ setFrame:webrect];
 840         } else {
 841 #else
 842         if (true) {
 843 #endif
 844             webview_ = [[UIWebDocumentView alloc] initWithFrame:webrect];
 845             webview = [webview_ webView];
 846
 847             // XXX: this is terribly (too?) expensive
 848             //[webview_ setDrawsBackground:NO];
 849             [webview setPreferencesIdentifier:@"Cydia"];
 850
 851             [webview_ setTileSize:CGSizeMake(webrect.size.width, 500)];
 852
 853             [webview_ setAllowsMessaging:YES];
 854
 855             [webview_ setTilingEnabled:YES];
 856             [webview_ setDrawsGrid:NO];
 857             [webview_ setLogsTilingChanges:NO];
 858             [webview_ setTileMinificationFilter:kCAFilterNearest];
 859             [webview_ setDetectsPhoneNumbers:NO];
 860             [webview_ setAutoresizes:YES];
 861
 862             [webview_ setMinimumScale:0.25f forDocumentTypes:0x10];
 863             [webview_ setInitialScale:UIWebViewScalesToFitScale forDocumentTypes:0x10];
 864             [webview_ setViewportSize:CGSizeMake(980, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x10];
 865
 866             [webview_ setViewportSize:CGSizeMake(320, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x2];
 867
 868             [webview_ setMinimumScale:1.0f forDocumentTypes:0x8];
 869             [webview_ setInitialScale:UIWebViewScalesToFitScale forDocumentTypes:0x8];
 870             [webview_ setViewportSize:CGSizeMake(320, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x8];
 871
 872             [webview_ _setDocumentType:0x4];
 873
 874             [webview_ setZoomsFocusedFormControl:YES];
 875             [webview_ setContentsPosition:7];
 876             [webview_ setEnabledGestures:0xa];
 877             [webview_ setValue:[NSNumber numberWithBool:YES] forGestureAttribute:UIGestureAttributeIsZoomRubberBandEnabled];
 878             [webview_ setValue:[NSNumber numberWithBool:YES] forGestureAttribute:UIGestureAttributeUpdatesScroller];
 879
 880             [webview_ setSmoothsFonts:YES];
 881
 882             [webview _setUsesLoaderCache:YES];
 883             [webview setGroupName:@"Cydia"];
 884             [webview _setLayoutInterval:0];
 885         }
 886
 887         [webview_ setDelegate:self];
 888         [webview_ setGestureDelegate:self];
 889         [scroller_ addSubview:webview_];
 890
 891         //NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
 892
 893         CGSize indsize = [UIProgressIndicator defaultSizeForStyle:UIProgressIndicatorStyleMediumWhite];
 894         indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectMake(281, 12, indsize.width, indsize.height)];
 895         [indicator_ setStyle:UIProgressIndicatorStyleMediumWhite];
 896
 897         Package *package([[Database sharedInstance] packageWithName:@"cydia"]);
 898         NSString *application = package == nil ? @"Cydia" : [NSString
 899             stringWithFormat:@"Cydia/%@",
 900             [package installed]
 901         ];
 902
 903         if (Build_ != nil)
 904             application = [NSString stringWithFormat:@"Mobile/%@ %@", Build_, application];
 905
 906         /* XXX: lookup application directory? */
 907         /*if (NSDictionary *safari = [NSDictionary dictionaryWithContentsOfFile:@"/Applications/MobileSafari.app/Info.plist"])
 908             if (NSString *version = [safari objectForKey:@"SafariProductVersion"])
 909                 application = [NSString stringWithFormat:@"Version/%@ %@", version, application];*/
 910
 911         [webview setApplicationNameForUserAgent:application];
 912
 913         indirect_ = [[IndirectDelegate alloc] initWithDelegate:self];
 914         cydia_ = [[CydiaObject alloc] initWithDelegate:indirect_];
 915
 916         [webview setFrameLoadDelegate:self];
 917         [webview setResourceLoadDelegate:indirect_];
 918         [webview setUIDelegate:self];
 919         [webview setScriptDebugDelegate:self];
 920         [webview setPolicyDelegate:self];
 921
 922         [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
 923         [scroller_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
 924     } return self;
 925 }
 926
 927 - (void) didFinishGesturesInView:(UIView *)view forEvent:(id)event {
 928     [webview_ redrawScaledDocument];
 929 }
 930
 931 - (void) _rightButtonClicked {
 932     if (function_ == nil) {
 933         reloading_ = true;
 934         [self reloadURL];
 935     } else {
 936         WebView *webview([webview_ webView]);
 937         WebFrame *frame([webview mainFrame]);
 938
 939         id _private(MSHookIvar<id>(webview, "_private"));
 940         WebCore::Page *page(_private == nil ? NULL : MSHookIvar<WebCore::Page *>(_private, "page"));
 941         WebCore::Settings *settings(page == NULL ? NULL : page->settings());
 942
 943         bool no;
 944         if (settings == NULL)
 945             no = 0;
 946         else {
 947             no = settings->JavaScriptCanOpenWindowsAutomatically();
 948             settings->setJavaScriptCanOpenWindowsAutomatically(true);
 949         }
 950
 951         [delegate_ clearFirstResponder];
 952         JSObjectRef function([function_ JSObject]);
 953         JSGlobalContextRef context([frame globalContext]);
 954         JSObjectCallAsFunction(context, function, NULL, 0, NULL, NULL);
 955
 956         if (settings != NULL)
 957             settings->setJavaScriptCanOpenWindowsAutomatically(no);
 958     }
 959 }
 960
 961 - (id) _rightButtonTitle {
 962     return button_ != nil ? button_ : @"Reload";
 963 }
 964
 965 - (id) rightButtonTitle {
 966     return [self _loading] ? @"" : [self _rightButtonTitle];
 967 }
 968
 969 - (UINavigationButtonStyle) rightButtonStyle {
 970     if (style_ == nil) normal:
 971         return UINavigationButtonStyleNormal;
 972     else if ([style_ isEqualToString:@"Normal"])
 973         return UINavigationButtonStyleNormal;
 974     else if ([style_ isEqualToString:@"Back"])
 975         return UINavigationButtonStyleBack;
 976     else if ([style_ isEqualToString:@"Highlighted"])
 977         return UINavigationButtonStyleHighlighted;
 978     else if ([style_ isEqualToString:@"Destructive"])
 979         return UINavigationButtonStyleDestructive;
 980     else goto normal;
 981 }
 982
 983 - (NSString *) title {
 984     return title_ == nil ? @"Loading" : title_;
 985 }
 986
 987 - (NSString *) backButtonTitle {
 988     return @"Browser";
 989 }
 990
 991 - (void) setPageActive:(BOOL)active {
 992     if (!active)
 993         [indicator_ removeFromSuperview];
 994     else
 995         [[book_ navigationBar] addSubview:indicator_];
 996 }
 997
 998 - (void) resetViewAnimated:(BOOL)animated {
 999 }
1000
1001 - (void) setPushed:(bool)pushed {
1002     pushed_ = pushed;
1003 }
1004
1005 @end