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 ShowInternals
 172 #include "Internals.h"
 173 #endif
 174
 175 - (void) dealloc {
 176     NSLog(@"deallocating WebView");
 177
 178     if (challenge_ != nil)
 179         [challenge_ release];
 180
 181     WebView *webview = [webview_ webView];
 182     [webview setFrameLoadDelegate:nil];
 183     [webview setResourceLoadDelegate:nil];
 184     [webview setUIDelegate:nil];
 185     [webview setScriptDebugDelegate:nil];
 186     [webview setPolicyDelegate:nil];
 187
 188     [webview setDownloadDelegate:nil];
 189
 190     [webview _setFormDelegate:nil];
 191     [webview _setUIKitDelegate:nil];
 192     [webview setWebMailDelegate:nil];
 193     [webview setEditingDelegate:nil];
 194
 195     [webview_ setDelegate:nil];
 196     [webview_ setGestureDelegate:nil];
 197
 198     //NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
 199
 200     [webview close];
 201
 202 #if RecycleWebViews
 203     [webview_ removeFromSuperview];
 204     [Documents_ addObject:[webview_ autorelease]];
 205 #else
 206     [webview_ release];
 207 #endif
 208
 209     [indirect_ setDelegate:nil];
 210     [indirect_ release];
 211
 212     [cydia_ release];
 213
 214     [scroller_ setDelegate:nil];
 215
 216     if (button_ != nil)
 217         [button_ release];
 218     if (style_ != nil)
 219         [style_ release];
 220     if (function_ != nil)
 221         [function_ release];
 222
 223     [scroller_ release];
 224     [indicator_ release];
 225     if (confirm_ != nil)
 226         [confirm_ release];
 227     if (title_ != nil)
 228         [title_ release];
 229     [super dealloc];
 230 }
 231
 232 - (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
 233     [self loadRequest:[NSURLRequest
 234         requestWithURL:url
 235         cachePolicy:policy
 236         timeoutInterval:30.0
 237     ]];
 238 }
 239
 240 - (void) loadURL:(NSURL *)url {
 241     [self loadURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy];
 242 }
 243
 244 - (NSMutableURLRequest *) _addHeadersToRequest:(NSURLRequest *)request {
 245     NSMutableURLRequest *copy = [request mutableCopy];
 246
 247     if (Machine_ != NULL)
 248         [copy setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
 249     if (UniqueID_ != nil)
 250         [copy setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
 251
 252     if (Role_ != nil)
 253         [copy setValue:Role_ forHTTPHeaderField:@"X-Role"];
 254
 255     return copy;
 256 }
 257
 258 - (void) loadRequest:(NSURLRequest *)request {
 259     pushed_ = true;
 260     error_ = false;
 261     [webview_ loadRequest:request];
 262 }
 263
 264 - (void) reloadURL {
 265     if (request_ == nil)
 266         return;
 267
 268     if ([request_ HTTPBody] == nil && [request_ HTTPBodyStream] == nil)
 269         [self loadRequest:request_];
 270     else {
 271         UIActionSheet *sheet = [[[UIActionSheet alloc]
 272             initWithTitle:@"Are you sure you want to submit this form again?"
 273             buttons:[NSArray arrayWithObjects:@"Cancel", @"Submit", nil]
 274             defaultButtonIndex:0
 275             delegate:self
 276             context:@"submit"
 277         ] autorelease];
 278
 279         [sheet setNumberOfRows:1];
 280         [sheet popupAlertAnimated:YES];
 281     }
 282 }
 283
 284 - (WebView *) webView {
 285     return [webview_ webView];
 286 }
 287
 288 - (UIWebDocumentView *) documentView {
 289     return webview_;
 290 }
 291
 292 - (void) view:(UIView *)sender didSetFrame:(CGRect)frame {
 293     [scroller_ setContentSize:frame.size];
 294 }
 295
 296 - (void) view:(UIView *)sender didSetFrame:(CGRect)frame oldFrame:(CGRect)old {
 297     [self view:sender didSetFrame:frame];
 298 }
 299
 300 - (void) pushPage:(RVPage *)page {
 301     [page setDelegate:delegate_];
 302     [self setBackButtonTitle:title_];
 303     [book_ pushPage:page];
 304 }
 305
 306 - (void) _pushPage {
 307     if (pushed_)
 308         return;
 309     [self autorelease];
 310     pushed_ = true;
 311     [book_ pushPage:self];
 312 }
 313
 314 - (BOOL) getSpecial:(NSURL *)url {
 315 #if ForSaurik
 316     NSLog(@"getSpecial:%@", url);
 317 #endif
 318
 319     NSString *href([url absoluteString]);
 320     NSString *scheme([[url scheme] lowercaseString]);
 321
 322     RVPage *page = nil;
 323
 324     if ([href hasPrefix:@"apptapp://package/"])
 325         page = [delegate_ pageForPackage:[href substringFromIndex:18]];
 326     else if ([scheme isEqualToString:@"cydia"]) {
 327         page = [delegate_ pageForURL:url hasTag:NULL];
 328         if (page == nil)
 329             return false;
 330     } else if (![scheme isEqualToString:@"apptapp"])
 331         return false;
 332
 333     if (page != nil)
 334         [self pushPage:page];
 335     return true;
 336 }
 337
 338 - (void) webViewShow:(WebView *)sender {
 339 }
 340
 341 - (void) webView:(WebView *)sender runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 342     UIActionSheet *sheet = [[[UIActionSheet alloc]
 343         initWithTitle:nil
 344         buttons:[NSArray arrayWithObjects:@"OK", nil]
 345         defaultButtonIndex:0
 346         delegate:self
 347         context:@"alert"
 348     ] autorelease];
 349
 350     [sheet setBodyText:message];
 351     [sheet popupAlertAnimated:YES];
 352 }
 353
 354 - (BOOL) webView:(WebView *)sender runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 355     UIActionSheet *sheet = [[[UIActionSheet alloc]
 356         initWithTitle:nil
 357         buttons:[NSArray arrayWithObjects:@"OK", @"Cancel", nil]
 358         defaultButtonIndex:0
 359         delegate:self
 360         context:@"confirm"
 361     ] autorelease];
 362
 363     [sheet setNumberOfRows:1];
 364     [sheet setBodyText:message];
 365     [sheet popupAlertAnimated:YES];
 366
 367     NSRunLoop *loop([NSRunLoop currentRunLoop]);
 368     NSDate *future([NSDate distantFuture]);
 369
 370     while (confirm_ == nil && [loop runMode:NSDefaultRunLoopMode beforeDate:future]);
 371
 372     NSNumber *confirm([confirm_ autorelease]);
 373     confirm_ = nil;
 374     return [confirm boolValue];
 375 }
 376
 377 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 378     if (button_ != nil)
 379         [button_ autorelease];
 380     button_ = button == nil ? nil : [[UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:button]]] retain];
 381
 382     if (style_ != nil)
 383         [style_ autorelease];
 384     style_ = style == nil ? nil : [style retain];
 385
 386     if (function_ != nil)
 387         [function_ autorelease];
 388     function_ = function == nil ? nil : [function retain];
 389 }
 390
 391 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 392     if (button_ != nil)
 393         [button_ autorelease];
 394     button_ = button == nil ? nil : [button retain];
 395
 396     if (style_ != nil)
 397         [style_ autorelease];
 398     style_ = style == nil ? nil : [style retain];
 399
 400     if (function_ != nil)
 401         [function_ autorelease];
 402     function_ = function == nil ? nil : [function retain];
 403 }
 404
 405 - (void) webViewClose:(WebView *)sender {
 406     [book_ close];
 407 }
 408
 409 - (void) webView:(WebView *)sender didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 410     [window setValue:cydia_ forKey:@"cydia"];
 411 }
 412
 413 - (void) webView:(WebView *)sender unableToImplementPolicyWithError:(NSError *)error frame:(WebFrame *)frame {
 414     NSLog(@"err:%@", error);
 415 }
 416
 417 - (void) webView:(WebView *)sender decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)name decisionListener:(id<WebPolicyDecisionListener>)listener {
 418     NSLog(@"nwa:%@", name);
 419
 420     if (NSURL *url = [request URL]) {
 421         if (name == nil) unknown: {
 422             if (![self getSpecial:url]) {
 423                 NSString *scheme([[url scheme] lowercaseString]);
 424                 if ([scheme isEqualToString:@"mailto"])
 425                     [delegate_ openMailToURL:url];
 426                 else goto use;
 427             }
 428         } else if ([name isEqualToString:@"_open"])
 429             [delegate_ openURL:url];
 430         else if ([name isEqualToString:@"_popup"]) {
 431             RVBook *book([[[RVPopUpBook alloc] initWithFrame:[delegate_ popUpBounds]] autorelease]);
 432
 433             RVPage *page([delegate_ pageForURL:url hasTag:NULL]);
 434             if (page == nil) {
 435                 /* XXX: call createWebViewWithRequest instead */
 436
 437                 [self setBackButtonTitle:title_];
 438
 439                 BrowserView *browser([[[BrowserView alloc] initWithBook:book] autorelease]);
 440                 [browser loadURL:url];
 441                 page = browser;
 442             }
 443
 444             [book setDelegate:delegate_];
 445             [page setDelegate:delegate_];
 446
 447             [book setPage:page];
 448             [book_ pushBook:book];
 449         } else goto unknown;
 450
 451         [listener ignore];
 452     } else use:
 453         [listener use];
 454 }
 455
 456 - (void) webView:(WebView *)webView decidePolicyForMIMEType:(NSString *)type request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 457     if ([WebView canShowMIMEType:type])
 458         [listener use];
 459     else {
 460         // XXX: handle more mime types!
 461         [listener ignore];
 462         if (frame == [webView mainFrame])
 463             [UIApp openURL:[request URL]];
 464     }
 465 }
 466
 467 - (void) webView:(WebView *)sender decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 468     if (request == nil) ignore: {
 469         [listener ignore];
 470         return;
 471     }
 472
 473     NSURL *url([request URL]);
 474
 475     if (url == nil) use: {
 476         if (!error_ && [frame parentFrame] == nil) {
 477             if (request_ != nil)
 478                 [request_ autorelease];
 479             request_ = [request retain];
 480 #if ForSaurik
 481             NSLog(@"dpn:%@", request_);
 482 #endif
 483         }
 484
 485         [listener use];
 486         /* XXX: maybe only the main frame? */
 487         [self _pushPage];
 488         return;
 489     }
 490 #if ForSaurik
 491     else NSLog(@"nav:%@:%@", url, [action description]);
 492 #endif
 493
 494     const NSArray *capability(reinterpret_cast<const NSArray *>(GSSystemGetCapability(kGSDisplayIdentifiersCapability)));
 495
 496     if (
 497         [capability containsObject:@"com.apple.Maps"] && [url mapsURL] ||
 498         [capability containsObject:@"com.apple.youtube"] && [url youTubeURL]
 499     ) {
 500       open:
 501         [UIApp openURL:url];
 502         goto ignore;
 503     }
 504
 505     int store(_not(int));
 506     if (NSURL *itms = [url itmsURL:&store]) {
 507         NSLog(@"itms#%@#%u#%@", url, store, itms);
 508         if (
 509             store == 1 && [capability containsObject:@"com.apple.MobileStore"] ||
 510             store == 2 && [capability containsObject:@"com.apple.AppStore"]
 511         ) {
 512             url = itms;
 513             goto open;
 514         }
 515     }
 516
 517     NSString *scheme([[url scheme] lowercaseString]);
 518
 519     if ([scheme isEqualToString:@"tel"]) {
 520         // XXX: intelligence
 521         goto open;
 522     }
 523
 524     if ([scheme isEqualToString:@"mailto"]) {
 525         [delegate_ openMailToURL:url];
 526         goto ignore;
 527     }
 528
 529     if ([self getSpecial:url])
 530         goto ignore;
 531     else if ([WebView _canHandleRequest:request])
 532         goto use;
 533     else if ([url isSpringboardHandledURL])
 534         goto open;
 535     else
 536         goto use;
 537 }
 538
 539 - (void) webView:(WebView *)sender setStatusText:(NSString *)text {
 540     //lprintf("Status:%s\n", [text UTF8String]);
 541 }
 542
 543 - (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
 544     NSString *context([sheet context]);
 545
 546     if ([context isEqualToString:@"alert"])
 547         [sheet dismiss];
 548     else if ([context isEqualToString:@"confirm"]) {
 549         switch (button) {
 550             case 1:
 551                 confirm_ = [NSNumber numberWithBool:YES];
 552             break;
 553
 554             case 2:
 555                 confirm_ = [NSNumber numberWithBool:NO];
 556             break;
 557         }
 558
 559         [sheet dismiss];
 560     } else if ([context isEqualToString:@"challenge"]) {
 561         id<NSURLAuthenticationChallengeSender> sender([challenge_ sender]);
 562
 563         switch (button) {
 564             case 1: {
 565                 NSString *username([[sheet textFieldAtIndex:0] text]);
 566                 NSString *password([[sheet textFieldAtIndex:1] text]);
 567
 568                 NSURLCredential *credential([NSURLCredential credentialWithUser:username password:password persistence:NSURLCredentialPersistenceForSession]);
 569
 570                 [sender useCredential:credential forAuthenticationChallenge:challenge_];
 571             } break;
 572
 573             case 2:
 574                 [sender cancelAuthenticationChallenge:challenge_];
 575             break;
 576
 577             default:
 578                 _assert(false);
 579         }
 580
 581         [challenge_ release];
 582         challenge_ = nil;
 583
 584         [sheet dismiss];
 585     } else if ([context isEqualToString:@"submit"]) {
 586         switch (button) {
 587             case 1:
 588             break;
 589
 590             case 2:
 591                 if (request_ != nil)
 592                     [webview_ loadRequest:request_];
 593             break;
 594
 595             default:
 596                 _assert(false);
 597         }
 598
 599         [sheet dismiss];
 600     }
 601 }
 602
 603 - (void) webView:(WebView *)sender resource:(id)identifier didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge fromDataSource:(WebDataSource *)source {
 604     challenge_ = [challenge retain];
 605
 606     NSURLProtectionSpace *space([challenge protectionSpace]);
 607     NSString *realm([space realm]);
 608     if (realm == nil)
 609         realm = @"";
 610
 611     UIActionSheet *sheet = [[[UIActionSheet alloc]
 612         initWithTitle:realm
 613         buttons:[NSArray arrayWithObjects:@"Login", @"Cancel", nil]
 614         defaultButtonIndex:0
 615         delegate:self
 616         context:@"challenge"
 617     ] autorelease];
 618
 619     [sheet setNumberOfRows:1];
 620
 621     [sheet addTextFieldWithValue:@"" label:@"username"];
 622     [sheet addTextFieldWithValue:@"" label:@"password"];
 623
 624     UITextField *username([sheet textFieldAtIndex:0]); {
 625         UITextInputTraits *traits([username textInputTraits]);
 626         [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
 627         [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
 628         [traits setKeyboardType:UIKeyboardTypeASCIICapable];
 629         [traits setReturnKeyType:UIReturnKeyNext];
 630     }
 631
 632     UITextField *password([sheet textFieldAtIndex:1]); {
 633         UITextInputTraits *traits([password textInputTraits]);
 634         [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
 635         [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
 636         [traits setKeyboardType:UIKeyboardTypeASCIICapable];
 637         // XXX: UIReturnKeyDone
 638         [traits setReturnKeyType:UIReturnKeyNext];
 639         [traits setSecureTextEntry:YES];
 640     }
 641
 642     [sheet popupAlertAnimated:YES];
 643 }
 644
 645 - (NSURLRequest *) webView:(WebView *)sender resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)redirectResponse fromDataSource:(WebDataSource *)source {
 646     return [self _addHeadersToRequest:request];
 647 }
 648
 649 - (WebView *) webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request windowFeatures:(NSDictionary *)features {
 650 #if ForSaurik
 651     NSLog(@"cwv:%@ (%@)", request, title_);
 652 #endif
 653
 654     BrowserView *browser = [[[BrowserView alloc] initWithBook:book_] autorelease];
 655
 656     if (request == nil) {
 657         [self setBackButtonTitle:title_];
 658         [browser setDelegate:delegate_];
 659         [browser retain];
 660     } else {
 661         [self pushPage:browser];
 662         [browser loadRequest:request];
 663     }
 664
 665     return [browser webView];
 666 }
 667
 668 - (WebView *) webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request {
 669     return [self webView:sender createWebViewWithRequest:request windowFeatures:nil];
 670 }
 671
 672 - (void) webView:(WebView *)sender didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 673     if ([frame parentFrame] != nil)
 674         return;
 675
 676     title_ = [title retain];
 677     [book_ reloadTitleForPage:self];
 678 }
 679
 680 - (void) webView:(WebView *)sender didStartProvisionalLoadForFrame:(WebFrame *)frame {
 681     if ([frame parentFrame] != nil)
 682         return;
 683
 684     reloading_ = false;
 685     loading_ = true;
 686     [self reloadButtons];
 687
 688     if (title_ != nil) {
 689         [title_ release];
 690         title_ = nil;
 691     }
 692
 693     if (button_ != nil) {
 694         [button_ release];
 695         button_ = nil;
 696     }
 697
 698     if (style_ != nil) {
 699         [style_ release];
 700         style_ = nil;
 701     }
 702
 703     if (function_ != nil) {
 704         [function_ release];
 705         function_ = nil;
 706     }
 707
 708     [book_ reloadTitleForPage:self];
 709
 710     [scroller_ scrollPointVisibleAtTopLeft:CGPointZero];
 711
 712     CGRect webrect = [scroller_ bounds];
 713     webrect.size.height = 0;
 714     [webview_ setFrame:webrect];
 715 }
 716
 717 - (void) _finishLoading {
 718     if (!reloading_) {
 719         loading_ = false;
 720         [self reloadButtons];
 721     }
 722 }
 723
 724 - (bool) _loading {
 725     return loading_;
 726 }
 727
 728 - (void) reloadButtons {
 729     if ([self _loading])
 730         [indicator_ startAnimation];
 731     else
 732         [indicator_ stopAnimation];
 733     [super reloadButtons];
 734 }
 735
 736 - (BOOL) webView:(WebView *)sender shouldScrollToPoint:(struct CGPoint)point forFrame:(WebFrame *)frame {
 737     return [webview_ webView:sender shouldScrollToPoint:point forFrame:frame];
 738 }
 739
 740 - (void) webView:(WebView *)sender didReceiveViewportArguments:(id)arguments forFrame:(WebFrame *)frame {
 741     return [webview_ webView:sender didReceiveViewportArguments:arguments forFrame:frame];
 742 }
 743
 744 - (void) webView:(WebView *)sender needsScrollNotifications:(id)notifications forFrame:(WebFrame *)frame {
 745     return [webview_ webView:sender needsScrollNotifications:notifications forFrame:frame];
 746 }
 747
 748 - (void) webView:(WebView *)sender didCommitLoadForFrame:(WebFrame *)frame {
 749     return [webview_ webView:sender didCommitLoadForFrame:frame];
 750 }
 751
 752 - (void) webView:(WebView *)sender didReceiveDocTypeForFrame:(WebFrame *)frame {
 753     return [webview_ webView:sender didReceiveDocTypeForFrame:frame];
 754 }
 755
 756 - (void) webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame {
 757     if ([frame parentFrame] == nil) {
 758         [self _finishLoading];
 759
 760         if (DOMDocument *document = [frame DOMDocument])
 761             if (DOMNodeList<NSFastEnumeration> *bodies = [document getElementsByTagName:@"body"])
 762                 for (DOMHTMLBodyElement *body in bodies) {
 763                     DOMCSSStyleDeclaration *style([document getComputedStyle:body pseudoElement:nil]);
 764
 765                     bool colored(false);
 766
 767                     if (DOMCSSPrimitiveValue *color = static_cast<DOMCSSPrimitiveValue *>([style getPropertyCSSValue:@"background-color"])) {
 768                         if ([color primitiveType] == DOM_CSS_RGBCOLOR) {
 769                             DOMRGBColor *rgb([color getRGBColorValue]);
 770
 771                             float red([[rgb red] getFloatValue:DOM_CSS_NUMBER]);
 772                             float green([[rgb green] getFloatValue:DOM_CSS_NUMBER]);
 773                             float blue([[rgb blue] getFloatValue:DOM_CSS_NUMBER]);
 774                             float alpha([[rgb alpha] getFloatValue:DOM_CSS_NUMBER]);
 775
 776                             UIColor *uic(nil);
 777
 778                             if (red == 0xc7 && green == 0xce && blue == 0xd5)
 779                                 uic = [UIColor pinStripeColor];
 780                             else if (alpha != 0)
 781                                 uic = [UIColor
 782                                     colorWithRed:(red / 255)
 783                                     green:(green / 255)
 784                                     blue:(blue / 255)
 785                                     alpha:alpha
 786                                 ];
 787
 788                             if (uic != nil) {
 789                                 colored = true;
 790                                 [scroller_ setBackgroundColor:uic];
 791                             }
 792                         }
 793                     }
 794
 795                     if (!colored)
 796                         [scroller_ setBackgroundColor:[UIColor pinStripeColor]];
 797                     break;
 798                 }
 799     }
 800
 801     return [webview_ webView:sender didFinishLoadForFrame:frame];
 802 }
 803
 804 - (void) webView:(WebView *)sender didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 805     if ([frame parentFrame] != nil)
 806         return;
 807     if (reloading_)
 808         return;
 809     [self _finishLoading];
 810
 811     [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@?%@",
 812         [[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"error" ofType:@"html"]] absoluteString],
 813         [[error localizedDescription] stringByAddingPercentEscapes]
 814     ]]];
 815
 816     error_ = true;
 817 }
 818
 819 - (void) webView:(WebView *)sender addMessageToConsole:(NSDictionary *)dictionary {
 820 #if ForSaurik
 821     lprintf("Console:%s\n", [[dictionary description] UTF8String]);
 822 #endif
 823 }
 824
 825 - (id) initWithBook:(RVBook *)book {
 826     if ((self = [super initWithBook:book]) != nil) {
 827         loading_ = false;
 828
 829         struct CGRect bounds = [self bounds];
 830
 831         scroller_ = [[UIScroller alloc] initWithFrame:bounds];
 832         [self addSubview:scroller_];
 833
 834         [scroller_ setShowBackgroundShadow:NO];
 835         [scroller_ setFixedBackgroundPattern:YES];
 836         [scroller_ setBackgroundColor:[UIColor pinStripeColor]];
 837
 838         [scroller_ setScrollingEnabled:YES];
 839         [scroller_ setAdjustForContentSizeChange:YES];
 840         [scroller_ setClipsSubviews:YES];
 841         [scroller_ setAllowsRubberBanding:YES];
 842         [scroller_ setScrollDecelerationFactor:0.99];
 843         [scroller_ setDelegate:self];
 844
 845         CGRect webrect = [scroller_ bounds];
 846         webrect.size.height = 0;
 847
 848         WebView *webview;
 849
 850 #if RecycleWebViews
 851         webview_ = [Documents_ lastObject];
 852         if (webview_ != nil) {
 853             webview_ = [webview_ retain];
 854             webview = [webview_ webView];
 855             [Documents_ removeLastObject];
 856             [webview_ setFrame:webrect];
 857         } else {
 858 #else
 859         if (true) {
 860 #endif
 861             webview_ = [[UIWebDocumentView alloc] initWithFrame:webrect];
 862             webview = [webview_ webView];
 863
 864             // XXX: this is terribly (too?) expensive
 865             //[webview_ setDrawsBackground:NO];
 866             [webview setPreferencesIdentifier:@"Cydia"];
 867
 868             [webview_ setTileSize:CGSizeMake(webrect.size.width, 500)];
 869
 870             [webview_ setAllowsMessaging:YES];
 871
 872             [webview_ setTilingEnabled:YES];
 873             [webview_ setDrawsGrid:NO];
 874             [webview_ setLogsTilingChanges:NO];
 875             [webview_ setTileMinificationFilter:kCAFilterNearest];
 876             [webview_ setDetectsPhoneNumbers:NO];
 877             [webview_ setAutoresizes:YES];
 878
 879             [webview_ setMinimumScale:0.25f forDocumentTypes:0x10];
 880             [webview_ setInitialScale:UIWebViewScalesToFitScale forDocumentTypes:0x10];
 881             [webview_ setViewportSize:CGSizeMake(980, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x10];
 882
 883             [webview_ setViewportSize:CGSizeMake(320, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x2];
 884
 885             [webview_ setMinimumScale:1.0f forDocumentTypes:0x8];
 886             [webview_ setInitialScale:UIWebViewScalesToFitScale forDocumentTypes:0x8];
 887             [webview_ setViewportSize:CGSizeMake(320, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x8];
 888
 889             [webview_ _setDocumentType:0x4];
 890
 891             [webview_ setZoomsFocusedFormControl:YES];
 892             [webview_ setContentsPosition:7];
 893             [webview_ setEnabledGestures:0xa];
 894             [webview_ setValue:[NSNumber numberWithBool:YES] forGestureAttribute:UIGestureAttributeIsZoomRubberBandEnabled];
 895             [webview_ setValue:[NSNumber numberWithBool:YES] forGestureAttribute:UIGestureAttributeUpdatesScroller];
 896
 897             [webview_ setSmoothsFonts:YES];
 898
 899             [webview _setUsesLoaderCache:YES];
 900             [webview setGroupName:@"Cydia"];
 901             [webview _setLayoutInterval:0];
 902         }
 903
 904         [webview_ setDelegate:self];
 905         [webview_ setGestureDelegate:self];
 906         [scroller_ addSubview:webview_];
 907
 908         //NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
 909
 910         CGSize indsize = [UIProgressIndicator defaultSizeForStyle:UIProgressIndicatorStyleMediumWhite];
 911         indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectMake(281, 12, indsize.width, indsize.height)];
 912         [indicator_ setStyle:UIProgressIndicatorStyleMediumWhite];
 913
 914         Package *package([[Database sharedInstance] packageWithName:@"cydia"]);
 915         NSString *application = package == nil ? @"Cydia" : [NSString
 916             stringWithFormat:@"Cydia/%@",
 917             [package installed]
 918         ];
 919
 920         if (Build_ != nil)
 921             application = [NSString stringWithFormat:@"Mobile/%@ %@", Build_, application];
 922
 923         /* XXX: lookup application directory? */
 924         /*if (NSDictionary *safari = [NSDictionary dictionaryWithContentsOfFile:@"/Applications/MobileSafari.app/Info.plist"])
 925             if (NSString *version = [safari objectForKey:@"SafariProductVersion"])
 926                 application = [NSString stringWithFormat:@"Version/%@ %@", version, application];*/
 927
 928         [webview setApplicationNameForUserAgent:application];
 929
 930         indirect_ = [[IndirectDelegate alloc] initWithDelegate:self];
 931         cydia_ = [[CydiaObject alloc] initWithDelegate:indirect_];
 932
 933         [webview setFrameLoadDelegate:self];
 934         [webview setResourceLoadDelegate:indirect_];
 935         [webview setUIDelegate:self];
 936         [webview setScriptDebugDelegate:self];
 937         [webview setPolicyDelegate:self];
 938
 939         [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
 940         [scroller_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
 941     } return self;
 942 }
 943
 944 - (void) didFinishGesturesInView:(UIView *)view forEvent:(id)event {
 945     [webview_ redrawScaledDocument];
 946 }
 947
 948 - (void) _rightButtonClicked {
 949     if (function_ == nil) {
 950         reloading_ = true;
 951         [self reloadURL];
 952     } else {
 953         WebView *webview([webview_ webView]);
 954         WebFrame *frame([webview mainFrame]);
 955
 956         id _private(MSHookIvar<id>(webview, "_private"));
 957         WebCore::Page *page(_private == nil ? NULL : MSHookIvar<WebCore::Page *>(_private, "page"));
 958         WebCore::Settings *settings(page == NULL ? NULL : page->settings());
 959
 960         bool no;
 961         if (settings == NULL)
 962             no = 0;
 963         else {
 964             no = settings->JavaScriptCanOpenWindowsAutomatically();
 965             settings->setJavaScriptCanOpenWindowsAutomatically(true);
 966         }
 967
 968         [delegate_ clearFirstResponder];
 969         JSObjectRef function([function_ JSObject]);
 970         JSGlobalContextRef context([frame globalContext]);
 971         JSObjectCallAsFunction(context, function, NULL, 0, NULL, NULL);
 972
 973         if (settings != NULL)
 974             settings->setJavaScriptCanOpenWindowsAutomatically(no);
 975     }
 976 }
 977
 978 - (id) _rightButtonTitle {
 979     return button_ != nil ? button_ : @"Reload";
 980 }
 981
 982 - (id) rightButtonTitle {
 983     return [self _loading] ? @"" : [self _rightButtonTitle];
 984 }
 985
 986 - (UINavigationButtonStyle) rightButtonStyle {
 987     if (style_ == nil) normal:
 988         return UINavigationButtonStyleNormal;
 989     else if ([style_ isEqualToString:@"Normal"])
 990         return UINavigationButtonStyleNormal;
 991     else if ([style_ isEqualToString:@"Back"])
 992         return UINavigationButtonStyleBack;
 993     else if ([style_ isEqualToString:@"Highlighted"])
 994         return UINavigationButtonStyleHighlighted;
 995     else if ([style_ isEqualToString:@"Destructive"])
 996         return UINavigationButtonStyleDestructive;
 997     else goto normal;
 998 }
 999
1000 - (NSString *) title {
1001     return title_ == nil ? @"Loading" : title_;
1002 }
1003
1004 - (NSString *) backButtonTitle {
1005     return @"Browser";
1006 }
1007
1008 - (void) setPageActive:(BOOL)active {
1009     if (!active)
1010         [indicator_ removeFromSuperview];
1011     else
1012         [[book_ navigationBar] addSubview:indicator_];
1013 }
1014
1015 - (void) resetViewAnimated:(BOOL)animated {
1016 }
1017
1018 - (void) setPushed:(bool)pushed {
1019     pushed_ = pushed;
1020 }
1021
1022 @end