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 + (NSArray *) _attributeKeys {
  74     return [NSArray arrayWithObjects:@"device", nil];
  75 }
  76
  77 - (NSArray *) attributeKeys {
  78     return [[self class] _attributeKeys];
  79 }
  80
  81 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
  82     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
  83 }
  84
  85 - (NSString *) device {
  86     return [[UIDevice currentDevice] uniqueIdentifier];
  87 }
  88
  89 + (NSString *) webScriptNameForSelector:(SEL)selector {
  90     if (selector == @selector(close))
  91         return @"close";
  92     else if (selector == @selector(getPackageById:))
  93         return @"getPackageById";
  94     else if (selector == @selector(setAutoPopup:))
  95         return @"setAutoPopup";
  96     else if (selector == @selector(setButtonImage:withStyle:toFunction:))
  97         return @"setButtonImage";
  98     else if (selector == @selector(setButtonTitle:withStyle:toFunction:))
  99         return @"setButtonTitle";
 100     else if (selector == @selector(setPopupHook:))
 101         return @"setPopupHook";
 102     else if (selector == @selector(setViewportWidth:))
 103         return @"setViewportWidth";
 104     else if (selector == @selector(supports:))
 105         return @"supports";
 106     else if (selector == @selector(du:))
 107         return @"du";
 108     else if (selector == @selector(statfs:))
 109         return @"statfs";
 110     else
 111         return nil;
 112 }
 113
 114 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
 115     return [self webScriptNameForSelector:selector] == nil;
 116 }
 117
 118 - (BOOL) supports:(NSString *)feature {
 119     return [feature isEqualToString:@"window.open"];
 120 }
 121
 122 - (Package *) getPackageById:(NSString *)id {
 123     return [[Database sharedInstance] packageWithName:id];
 124 }
 125
 126 - (NSArray *) statfs:(NSString *)path {
 127     struct statfs stat;
 128
 129     if (path == nil || statfs([path UTF8String], &stat) == -1)
 130         return nil;
 131
 132     return [NSArray arrayWithObjects:
 133         [NSNumber numberWithUnsignedLong:stat.f_bsize],
 134         [NSNumber numberWithUnsignedLong:stat.f_blocks],
 135         [NSNumber numberWithUnsignedLong:stat.f_bfree],
 136     nil];
 137 }
 138
 139 - (NSNumber *) du:(NSString *)path {
 140     NSNumber *value(nil);
 141
 142     int fds[2];
 143     _assert(pipe(fds) != -1);
 144
 145     pid_t pid(ExecFork());
 146     if (pid == 0) {
 147         _assert(dup2(fds[1], 1) != -1);
 148         _assert(close(fds[0]) != -1);
 149         _assert(close(fds[1]) != -1);
 150         execlp("du", "du", "-s", [path UTF8String], NULL);
 151         exit(1);
 152         _assert(false);
 153     }
 154
 155     _assert(close(fds[1]) != -1);
 156
 157     if (FILE *du = fdopen(fds[0], "r")) {
 158         char line[1024];
 159         while (fgets(line, sizeof(line), du) != NULL) {
 160             size_t length(strlen(line));
 161             while (length != 0 && line[length - 1] == '\n')
 162                 line[--length] = '\0';
 163             if (char *tab = strchr(line, '\t')) {
 164                 *tab = '\0';
 165                 value = [NSNumber numberWithUnsignedLong:strtoul(line, NULL, 0)];
 166             }
 167         }
 168
 169         fclose(du);
 170     } else _assert(close(fds[0]));
 171
 172     int status;
 173   wait:
 174     if (waitpid(pid, &status, 0) == -1)
 175         if (errno == EINTR)
 176             goto wait;
 177         else _assert(false);
 178
 179     return value;
 180 }
 181
 182 - (void) close {
 183     [indirect_ close];
 184 }
 185
 186 - (void) setAutoPopup:(BOOL)popup {
 187     [indirect_ setAutoPopup:popup];
 188 }
 189
 190 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 191     [indirect_ setButtonImage:button withStyle:style toFunction:function];
 192 }
 193
 194 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 195     [indirect_ setButtonTitle:button withStyle:style toFunction:function];
 196 }
 197
 198 - (void) setPopupHook:(id)function {
 199     [indirect_ setPopupHook:function];
 200 }
 201
 202 - (void) setViewportWidth:(float)width {
 203     [indirect_ setViewportWidth:width];
 204 }
 205
 206 @end
 207 /* }}} */
 208
 209 @implementation BrowserView
 210
 211 #if ShowInternals
 212 #include "Internals.h"
 213 #endif
 214
 215 - (void) dealloc {
 216 #if LogBrowser
 217     NSLog(@"[BrowserView dealloc]");
 218 #endif
 219
 220     if (challenge_ != nil)
 221         [challenge_ release];
 222
 223     WebView *webview = [webview_ webView];
 224     [webview setFrameLoadDelegate:nil];
 225     [webview setResourceLoadDelegate:nil];
 226     [webview setUIDelegate:nil];
 227     [webview setScriptDebugDelegate:nil];
 228     [webview setPolicyDelegate:nil];
 229
 230     [webview setDownloadDelegate:nil];
 231
 232     [webview _setFormDelegate:nil];
 233     [webview _setUIKitDelegate:nil];
 234     [webview setWebMailDelegate:nil];
 235     [webview setEditingDelegate:nil];
 236
 237     [webview_ setDelegate:nil];
 238     [webview_ setGestureDelegate:nil];
 239     [webview_ setFormEditingDelegate:nil];
 240     [webview_ setInteractionDelegate:nil];
 241
 242     //NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
 243
 244     [webview close];
 245
 246 #if RecycleWebViews
 247     [webview_ removeFromSuperview];
 248     [Documents_ addObject:[webview_ autorelease]];
 249 #else
 250     [webview_ release];
 251 #endif
 252
 253     [indirect_ setDelegate:nil];
 254     [indirect_ release];
 255
 256     [cydia_ release];
 257
 258     [scroller_ setDelegate:nil];
 259
 260     if (button_ != nil)
 261         [button_ release];
 262     if (style_ != nil)
 263         [style_ release];
 264     if (function_ != nil)
 265         [function_ release];
 266     if (closer_ != nil)
 267         [closer_ release];
 268
 269     [scroller_ release];
 270     [indicator_ release];
 271     if (confirm_ != nil)
 272         [confirm_ release];
 273     if (title_ != nil)
 274         [title_ release];
 275     [super dealloc];
 276 }
 277
 278 - (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
 279     [self loadRequest:[NSURLRequest
 280         requestWithURL:url
 281         cachePolicy:policy
 282         timeoutInterval:30.0
 283     ]];
 284 }
 285
 286 - (void) loadURL:(NSURL *)url {
 287     [self loadURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy];
 288 }
 289
 290 - (NSMutableURLRequest *) _addHeadersToRequest:(NSURLRequest *)request {
 291     NSMutableURLRequest *copy = [request mutableCopy];
 292
 293     if (Machine_ != NULL)
 294         [copy setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
 295     if (UniqueID_ != nil)
 296         [copy setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
 297
 298     if (Role_ != nil)
 299         [copy setValue:Role_ forHTTPHeaderField:@"X-Role"];
 300
 301     return copy;
 302 }
 303
 304 - (void) loadRequest:(NSURLRequest *)request {
 305     pushed_ = true;
 306     error_ = false;
 307     [webview_ loadRequest:request];
 308 }
 309
 310 - (void) reloadURL {
 311     if (request_ == nil)
 312         return;
 313
 314     if ([request_ HTTPBody] == nil && [request_ HTTPBodyStream] == nil)
 315         [self loadRequest:request_];
 316     else {
 317         UIActionSheet *sheet = [[[UIActionSheet alloc]
 318             initWithTitle:@"Are you sure you want to submit this form again?"
 319             buttons:[NSArray arrayWithObjects:@"Cancel", @"Submit", nil]
 320             defaultButtonIndex:0
 321             delegate:self
 322             context:@"submit"
 323         ] autorelease];
 324
 325         [sheet setNumberOfRows:1];
 326         [sheet popupAlertAnimated:YES];
 327     }
 328 }
 329
 330 - (WebView *) webView {
 331     return [webview_ webView];
 332 }
 333
 334 - (UIWebDocumentView *) documentView {
 335     return webview_;
 336 }
 337
 338 - (void) _fixScroller {
 339     CGRect bounds([webview_ documentBounds]);
 340 #if LogBrowser
 341     NSLog(@"_fs:(%f,%f+%f,%f)", bounds.origin.x, bounds.origin.y, bounds.size.width, bounds.size.height);
 342 #endif
 343
 344     float extra;
 345     if (!editing_)
 346         extra = 0;
 347     else {
 348         UIFormAssistant *assistant([UIFormAssistant sharedFormAssistant]);
 349         CGRect peripheral([assistant peripheralFrame]);
 350 #if LogBrowser
 351         NSLog(@"per:%f", peripheral.size.height);
 352 #endif
 353         extra = peripheral.size.height;
 354     }
 355
 356     CGRect subrect([scroller_ frame]);
 357     subrect.size.height -= extra;
 358     [scroller_ setScrollerIndicatorSubrect:subrect];
 359
 360     NSSize visible(NSMakeSize(subrect.size.width, subrect.size.height));
 361     [webview_ setValue:[NSValue valueWithSize:visible] forGestureAttribute:UIGestureAttributeVisibleSize];
 362
 363     CGSize size(size_);
 364     size.height += extra;
 365     [scroller_ setContentSize:size];
 366
 367     [scroller_ releaseRubberBandIfNecessary];
 368 }
 369
 370 - (void) view:(UIView *)sender didSetFrame:(CGRect)frame {
 371     size_ = frame.size;
 372 #if LogBrowser
 373     NSLog(@"dsf:(%f,%f+%f,%f)", frame.origin.x, frame.origin.y, frame.size.width, frame.size.height);
 374 #endif
 375     [self _fixScroller];
 376 }
 377
 378 - (void) view:(UIView *)sender didSetFrame:(CGRect)frame oldFrame:(CGRect)old {
 379     [self view:sender didSetFrame:frame];
 380 }
 381
 382 - (void) pushPage:(RVPage *)page {
 383     [page setDelegate:delegate_];
 384     [self setBackButtonTitle:title_];
 385     [book_ pushPage:page];
 386 }
 387
 388 - (void) _pushPage {
 389     if (pushed_)
 390         return;
 391     [self autorelease];
 392     pushed_ = true;
 393     [book_ pushPage:self];
 394 }
 395
 396 - (void) swapPage:(RVPage *)page {
 397     [page setDelegate:delegate_];
 398     if (pushed_)
 399         [book_ swapPage:page];
 400     else
 401         [book_ pushPage:page];
 402 }
 403
 404 - (BOOL) getSpecial:(NSURL *)url swap:(BOOL)swap {
 405 #if LogBrowser
 406     NSLog(@"getSpecial:%@", url);
 407 #endif
 408
 409     NSString *href([url absoluteString]);
 410     NSString *scheme([[url scheme] lowercaseString]);
 411
 412     RVPage *page = nil;
 413
 414     if ([href hasPrefix:@"apptapp://package/"])
 415         page = [delegate_ pageForPackage:[href substringFromIndex:18]];
 416     else if ([scheme isEqualToString:@"cydia"]) {
 417         page = [delegate_ pageForURL:url hasTag:NULL];
 418         if (page == nil)
 419             return false;
 420     } else if (![scheme isEqualToString:@"apptapp"])
 421         return false;
 422
 423     if (page != nil)
 424         if (swap)
 425             [self swapPage:page];
 426         else
 427             [self pushPage:page];
 428     return true;
 429 }
 430
 431 - (void) webViewShow:(WebView *)sender {
 432     /* XXX: this is where I cry myself to sleep */
 433 }
 434
 435 - (bool) _allowJavaScriptPanel {
 436     return true;
 437 }
 438
 439 - (void) webView:(WebView *)sender runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 440     if (![self _allowJavaScriptPanel])
 441         return;
 442
 443     [self retain];
 444
 445     UIActionSheet *sheet = [[[UIActionSheet alloc]
 446         initWithTitle:nil
 447         buttons:[NSArray arrayWithObjects:@"OK", nil]
 448         defaultButtonIndex:0
 449         delegate:self
 450         context:@"alert"
 451     ] autorelease];
 452
 453     [sheet setBodyText:message];
 454     [sheet popupAlertAnimated:YES];
 455 }
 456
 457 - (BOOL) webView:(WebView *)sender runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 458     if (![self _allowJavaScriptPanel])
 459         return NO;
 460
 461     UIActionSheet *sheet = [[[UIActionSheet alloc]
 462         initWithTitle:nil
 463         buttons:[NSArray arrayWithObjects:@"OK", @"Cancel", nil]
 464         defaultButtonIndex:0
 465         delegate:indirect_
 466         context:@"confirm"
 467     ] autorelease];
 468
 469     [sheet setNumberOfRows:1];
 470     [sheet setBodyText:message];
 471     [sheet popupAlertAnimated:YES];
 472
 473     NSRunLoop *loop([NSRunLoop currentRunLoop]);
 474     NSDate *future([NSDate distantFuture]);
 475
 476     while (confirm_ == nil && [loop runMode:NSDefaultRunLoopMode beforeDate:future]);
 477
 478     NSNumber *confirm([confirm_ autorelease]);
 479     confirm_ = nil;
 480     return [confirm boolValue];
 481 }
 482
 483 - (void) setAutoPopup:(BOOL)popup {
 484     popup_ = popup;
 485 }
 486
 487 - (void) setPopupHook:(id)function {
 488     if (closer_ != nil)
 489         [closer_ autorelease];
 490     closer_ = function == nil ? nil : [function retain];
 491 }
 492
 493 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 494     if (button_ != nil)
 495         [button_ autorelease];
 496     button_ = button == nil ? nil : [[UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:button]]] retain];
 497
 498     if (style_ != nil)
 499         [style_ autorelease];
 500     style_ = style == nil ? nil : [style retain];
 501
 502     if (function_ != nil)
 503         [function_ autorelease];
 504     function_ = function == nil ? nil : [function retain];
 505
 506     [self reloadButtons];
 507 }
 508
 509 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 510     if (button_ != nil)
 511         [button_ autorelease];
 512     button_ = button == nil ? nil : [button retain];
 513
 514     if (style_ != nil)
 515         [style_ autorelease];
 516     style_ = style == nil ? nil : [style retain];
 517
 518     if (function_ != nil)
 519         [function_ autorelease];
 520     function_ = function == nil ? nil : [function retain];
 521
 522     [self reloadButtons];
 523 }
 524
 525 - (void) webView:(WebView *)sender willBeginEditingFormElement:(id)element {
 526     editing_ = true;
 527 }
 528
 529 - (void) webView:(WebView *)sender didBeginEditingFormElement:(id)element {
 530     [self _fixScroller];
 531 }
 532
 533 - (void) webViewDidEndEditingFormElements:(WebView *)sender {
 534     editing_ = false;
 535     [self _fixScroller];
 536 }
 537
 538 - (void) webViewClose:(WebView *)sender {
 539     [book_ close];
 540 }
 541
 542 - (void) close {
 543     [book_ close];
 544 }
 545
 546 - (void) webView:(WebView *)sender didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 547     [window setValue:cydia_ forKey:@"cydia"];
 548 }
 549
 550 - (void) webView:(WebView *)sender unableToImplementPolicyWithError:(NSError *)error frame:(WebFrame *)frame {
 551     NSLog(@"err:%@", error);
 552 }
 553
 554 - (void) webView:(WebView *)sender decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)name decisionListener:(id<WebPolicyDecisionListener>)listener {
 555 #if LogBrowser
 556     NSLog(@"nwa:%@", name);
 557 #endif
 558
 559     if (NSURL *url = [request URL]) {
 560         if (name == nil) unknown: {
 561             if (![self getSpecial:url swap:NO]) {
 562                 NSString *scheme([[url scheme] lowercaseString]);
 563                 if ([scheme isEqualToString:@"mailto"])
 564                     [delegate_ openMailToURL:url];
 565                 else goto use;
 566             }
 567         } else if ([name isEqualToString:@"_open"])
 568             [delegate_ openURL:url];
 569         else if ([name isEqualToString:@"_popup"]) {
 570             RVBook *book([[[RVPopUpBook alloc] initWithFrame:[delegate_ popUpBounds]] autorelease]);
 571             [book setHook:indirect_];
 572
 573             RVPage *page([delegate_ pageForURL:url hasTag:NULL]);
 574             if (page == nil) {
 575                 /* XXX: call createWebViewWithRequest instead? */
 576
 577                 [self setBackButtonTitle:title_];
 578
 579                 BrowserView *browser([[[BrowserView alloc] initWithBook:book] autorelease]);
 580                 [browser loadURL:url];
 581                 page = browser;
 582             }
 583
 584             [book setDelegate:delegate_];
 585             [page setDelegate:delegate_];
 586
 587             [book setPage:page];
 588             [book_ pushBook:book];
 589         } else goto unknown;
 590
 591         [listener ignore];
 592     } else use:
 593         [listener use];
 594 }
 595
 596 - (void) webView:(WebView *)sender decidePolicyForMIMEType:(NSString *)type request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 597     if ([WebView canShowMIMEType:type])
 598         [listener use];
 599     else {
 600         // XXX: handle more mime types!
 601         [listener ignore];
 602
 603         WebView *webview([webview_ webView]);
 604         if (frame == [webview mainFrame])
 605             [UIApp openURL:[request URL]];
 606     }
 607 }
 608
 609 - (void) webView:(WebView *)sender decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 610     if (request == nil) ignore: {
 611         [listener ignore];
 612         return;
 613     }
 614
 615     NSURL *url([request URL]);
 616
 617     if (url == nil) use: {
 618         if (!error_ && [frame parentFrame] == nil) {
 619             if (request_ != nil)
 620                 [request_ autorelease];
 621             request_ = [request retain];
 622 #if LogBrowser
 623             NSLog(@"dpn:%@", request_);
 624 #endif
 625         }
 626
 627         [listener use];
 628
 629         WebView *webview([webview_ webView]);
 630         if (frame == [webview mainFrame])
 631             [self _pushPage];
 632         return;
 633     }
 634 #if LogBrowser
 635     else NSLog(@"nav:%@:%@", url, [action description]);
 636 #endif
 637
 638     const NSArray *capability(reinterpret_cast<const NSArray *>(GSSystemGetCapability(kGSDisplayIdentifiersCapability)));
 639
 640     if (
 641         [capability containsObject:@"com.apple.Maps"] && [url mapsURL] ||
 642         [capability containsObject:@"com.apple.youtube"] && [url youTubeURL]
 643     ) {
 644       open:
 645         [UIApp openURL:url];
 646         goto ignore;
 647     }
 648
 649     int store(_not(int));
 650     if (NSURL *itms = [url itmsURL:&store]) {
 651 #if LogBrowser
 652         NSLog(@"itms#%@#%u#%@", url, store, itms);
 653 #endif
 654
 655         if (
 656             store == 1 && [capability containsObject:@"com.apple.MobileStore"] ||
 657             store == 2 && [capability containsObject:@"com.apple.AppStore"]
 658         ) {
 659             url = itms;
 660             goto open;
 661         }
 662     }
 663
 664     NSString *scheme([[url scheme] lowercaseString]);
 665
 666     if ([scheme isEqualToString:@"tel"]) {
 667         // XXX: intelligence
 668         goto open;
 669     }
 670
 671     if ([scheme isEqualToString:@"mailto"]) {
 672         [delegate_ openMailToURL:url];
 673         goto ignore;
 674     }
 675
 676     if ([self getSpecial:url swap:YES])
 677         goto ignore;
 678     else if ([WebView _canHandleRequest:request])
 679         goto use;
 680     else if ([url isSpringboardHandledURL])
 681         goto open;
 682     else
 683         goto use;
 684 }
 685
 686 - (void) webView:(WebView *)sender setStatusText:(NSString *)text {
 687     //lprintf("Status:%s\n", [text UTF8String]);
 688 }
 689
 690 - (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
 691     NSString *context([sheet context]);
 692
 693     if ([context isEqualToString:@"alert"]) {
 694         [self autorelease];
 695         [sheet dismiss];
 696     } else if ([context isEqualToString:@"confirm"]) {
 697         switch (button) {
 698             case 1:
 699                 confirm_ = [NSNumber numberWithBool:YES];
 700             break;
 701
 702             case 2:
 703                 confirm_ = [NSNumber numberWithBool:NO];
 704             break;
 705         }
 706
 707         [sheet dismiss];
 708     } else if ([context isEqualToString:@"challenge"]) {
 709         id<NSURLAuthenticationChallengeSender> sender([challenge_ sender]);
 710
 711         switch (button) {
 712             case 1: {
 713                 NSString *username([[sheet textFieldAtIndex:0] text]);
 714                 NSString *password([[sheet textFieldAtIndex:1] text]);
 715
 716                 NSURLCredential *credential([NSURLCredential credentialWithUser:username password:password persistence:NSURLCredentialPersistenceForSession]);
 717
 718                 [sender useCredential:credential forAuthenticationChallenge:challenge_];
 719             } break;
 720
 721             case 2:
 722                 [sender cancelAuthenticationChallenge:challenge_];
 723             break;
 724
 725             default:
 726                 _assert(false);
 727         }
 728
 729         [challenge_ release];
 730         challenge_ = nil;
 731
 732         [sheet dismiss];
 733     } else if ([context isEqualToString:@"submit"]) {
 734         switch (button) {
 735             case 1:
 736             break;
 737
 738             case 2:
 739                 if (request_ != nil)
 740                     [webview_ loadRequest:request_];
 741             break;
 742
 743             default:
 744                 _assert(false);
 745         }
 746
 747         [sheet dismiss];
 748     }
 749 }
 750
 751 - (void) webView:(WebView *)sender resource:(id)identifier didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge fromDataSource:(WebDataSource *)source {
 752     challenge_ = [challenge retain];
 753
 754     NSURLProtectionSpace *space([challenge protectionSpace]);
 755     NSString *realm([space realm]);
 756     if (realm == nil)
 757         realm = @"";
 758
 759     UIActionSheet *sheet = [[[UIActionSheet alloc]
 760         initWithTitle:realm
 761         buttons:[NSArray arrayWithObjects:@"Login", @"Cancel", nil]
 762         defaultButtonIndex:0
 763         delegate:self
 764         context:@"challenge"
 765     ] autorelease];
 766
 767     [sheet setNumberOfRows:1];
 768
 769     [sheet addTextFieldWithValue:@"" label:@"username"];
 770     [sheet addTextFieldWithValue:@"" label:@"password"];
 771
 772     UITextField *username([sheet textFieldAtIndex:0]); {
 773         UITextInputTraits *traits([username textInputTraits]);
 774         [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
 775         [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
 776         [traits setKeyboardType:UIKeyboardTypeASCIICapable];
 777         [traits setReturnKeyType:UIReturnKeyNext];
 778     }
 779
 780     UITextField *password([sheet textFieldAtIndex:1]); {
 781         UITextInputTraits *traits([password textInputTraits]);
 782         [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
 783         [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
 784         [traits setKeyboardType:UIKeyboardTypeASCIICapable];
 785         // XXX: UIReturnKeyDone
 786         [traits setReturnKeyType:UIReturnKeyNext];
 787         [traits setSecureTextEntry:YES];
 788     }
 789
 790     [sheet popupAlertAnimated:YES];
 791 }
 792
 793 - (NSURLRequest *) webView:(WebView *)sender resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)redirectResponse fromDataSource:(WebDataSource *)source {
 794     return [self _addHeadersToRequest:request];
 795 }
 796
 797 - (WebView *) webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request windowFeatures:(NSDictionary *)features {
 798 //- (WebView *) webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request userGesture:(BOOL)gesture {
 799 #if LogBrowser
 800     NSLog(@"cwv:%@ (%@): %@", request, title_, features == nil ? @"{}" : [features description]);
 801     //NSLog(@"cwv:%@ (%@): %@", request, title_, gesture ? @"Yes" : @"No");
 802 #endif
 803
 804     NSNumber *value([features objectForKey:@"width"]);
 805     float width(value == nil ? 0 : [value floatValue]);
 806
 807     RVBook *book(!popup_ ? book_ : [[[RVPopUpBook alloc] initWithFrame:[delegate_ popUpBounds]] autorelease]);
 808
 809     /* XXX: deal with cydia:// pages */
 810     BrowserView *browser([[[BrowserView alloc] initWithBook:book forWidth:width] autorelease]);
 811
 812     if (features != nil && popup_) {
 813         [book setDelegate:delegate_];
 814         [book setHook:indirect_];
 815         [browser setDelegate:delegate_];
 816
 817         [browser loadRequest:request];
 818
 819         [book setPage:browser];
 820         [book_ pushBook:book];
 821     } else if (request == nil) {
 822         [self setBackButtonTitle:title_];
 823         [browser setDelegate:delegate_];
 824         [browser retain];
 825     } else {
 826         [self pushPage:browser];
 827         [browser loadRequest:request];
 828     }
 829
 830     return [browser webView];
 831 }
 832
 833 - (WebView *) webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request {
 834     return [self webView:sender createWebViewWithRequest:request windowFeatures:nil];
 835     //return [self webView:sender createWebViewWithRequest:request userGesture:YES];
 836 }
 837
 838 - (void) webView:(WebView *)sender didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 839     if ([frame parentFrame] != nil)
 840         return;
 841
 842     title_ = [title retain];
 843     [book_ reloadTitleForPage:self];
 844 }
 845
 846 - (void) webView:(WebView *)sender didStartProvisionalLoadForFrame:(WebFrame *)frame {
 847     if ([frame parentFrame] != nil)
 848         return;
 849
 850     [webview_ resignFirstResponder];
 851
 852     reloading_ = false;
 853     loading_ = true;
 854     [self reloadButtons];
 855
 856     if (title_ != nil) {
 857         [title_ release];
 858         title_ = nil;
 859     }
 860
 861     if (button_ != nil) {
 862         [button_ release];
 863         button_ = nil;
 864     }
 865
 866     if (style_ != nil) {
 867         [style_ release];
 868         style_ = nil;
 869     }
 870
 871     if (function_ != nil) {
 872         [function_ release];
 873         function_ = nil;
 874     }
 875
 876     if (closer_ != nil) {
 877         [closer_ release];
 878         closer_ = nil;
 879     }
 880
 881     [book_ reloadTitleForPage:self];
 882
 883     [scroller_ scrollPointVisibleAtTopLeft:CGPointZero];
 884     [scroller_ setZoomScale:1 duration:0];
 885
 886     CGRect webrect = [scroller_ bounds];
 887     webrect.size.height = 0;
 888     [webview_ setFrame:webrect];
 889 }
 890
 891 - (void) _finishLoading {
 892     if (!reloading_) {
 893         loading_ = false;
 894         [self reloadButtons];
 895     }
 896 }
 897
 898 - (bool) isLoading {
 899     return loading_;
 900 }
 901
 902 - (void) reloadButtons {
 903     if ([self isLoading])
 904         [indicator_ startAnimation];
 905     else
 906         [indicator_ stopAnimation];
 907     [super reloadButtons];
 908 }
 909
 910 - (BOOL) webView:(WebView *)sender shouldScrollToPoint:(struct CGPoint)point forFrame:(WebFrame *)frame {
 911     return [webview_ webView:sender shouldScrollToPoint:point forFrame:frame];
 912 }
 913
 914 - (void) webView:(WebView *)sender didReceiveViewportArguments:(id)arguments forFrame:(WebFrame *)frame {
 915     return [webview_ webView:sender didReceiveViewportArguments:arguments forFrame:frame];
 916 }
 917
 918 - (void) webView:(WebView *)sender needsScrollNotifications:(id)notifications forFrame:(WebFrame *)frame {
 919     return [webview_ webView:sender needsScrollNotifications:notifications forFrame:frame];
 920 }
 921
 922 - (void) webView:(WebView *)sender didCommitLoadForFrame:(WebFrame *)frame {
 923     [self _pushPage];
 924     return [webview_ webView:sender didCommitLoadForFrame:frame];
 925 }
 926
 927 - (void) webView:(WebView *)sender didReceiveDocTypeForFrame:(WebFrame *)frame {
 928     return [webview_ webView:sender didReceiveDocTypeForFrame:frame];
 929 }
 930
 931 - (void) webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame {
 932     if ([frame parentFrame] == nil) {
 933         [self _finishLoading];
 934
 935         if (DOMDocument *document = [frame DOMDocument])
 936             if (DOMNodeList<NSFastEnumeration> *bodies = [document getElementsByTagName:@"body"])
 937                 for (DOMHTMLBodyElement *body in bodies) {
 938                     DOMCSSStyleDeclaration *style([document getComputedStyle:body pseudoElement:nil]);
 939
 940                     bool colored(false);
 941
 942                     if (DOMCSSPrimitiveValue *color = static_cast<DOMCSSPrimitiveValue *>([style getPropertyCSSValue:@"background-color"])) {
 943                         if ([color primitiveType] == DOM_CSS_RGBCOLOR) {
 944                             DOMRGBColor *rgb([color getRGBColorValue]);
 945
 946                             float red([[rgb red] getFloatValue:DOM_CSS_NUMBER]);
 947                             float green([[rgb green] getFloatValue:DOM_CSS_NUMBER]);
 948                             float blue([[rgb blue] getFloatValue:DOM_CSS_NUMBER]);
 949                             float alpha([[rgb alpha] getFloatValue:DOM_CSS_NUMBER]);
 950
 951                             UIColor *uic(nil);
 952
 953                             if (red == 0xc7 && green == 0xce && blue == 0xd5)
 954                                 uic = [UIColor pinStripeColor];
 955                             else if (alpha != 0)
 956                                 uic = [UIColor
 957                                     colorWithRed:(red / 255)
 958                                     green:(green / 255)
 959                                     blue:(blue / 255)
 960                                     alpha:alpha
 961                                 ];
 962
 963                             if (uic != nil) {
 964                                 colored = true;
 965                                 [scroller_ setBackgroundColor:uic];
 966                             }
 967                         }
 968                     }
 969
 970                     if (!colored)
 971                         [scroller_ setBackgroundColor:[UIColor pinStripeColor]];
 972                     break;
 973                 }
 974     }
 975
 976     return [webview_ webView:sender didFinishLoadForFrame:frame];
 977 }
 978
 979 - (void) webView:(WebView *)sender didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 980     if ([frame parentFrame] != nil)
 981         return;
 982     if (reloading_)
 983         return;
 984     [self _finishLoading];
 985
 986     [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@?%@",
 987         [[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"error" ofType:@"html"]] absoluteString],
 988         [[error localizedDescription] stringByAddingPercentEscapes]
 989     ]]];
 990
 991     error_ = true;
 992 }
 993
 994 - (void) webView:(WebView *)sender addMessageToConsole:(NSDictionary *)dictionary {
 995 #if LogBrowser || ForSaurik
 996     lprintf("Console:%s\n", [[dictionary description] UTF8String]);
 997 #endif
 998 }
 999
1000 - (void) setViewportWidth:(float)width {
1001     width_ = width ? width != 0 : [[self class] defaultWidth];
1002     [webview_ setViewportSize:CGSizeMake(width_, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x10];
1003 }
1004
1005 - (id) initWithBook:(RVBook *)book forWidth:(float)width {
1006     if ((self = [super initWithBook:book]) != nil) {
1007         loading_ = false;
1008         popup_ = false;
1009
1010         struct CGRect bounds = [self bounds];
1011
1012         scroller_ = [[UIScroller alloc] initWithFrame:bounds];
1013         [self addSubview:scroller_];
1014
1015         [scroller_ setShowBackgroundShadow:NO];
1016         [scroller_ setFixedBackgroundPattern:YES];
1017         [scroller_ setBackgroundColor:[UIColor pinStripeColor]];
1018
1019         [scroller_ setScrollingEnabled:YES];
1020         [scroller_ setAdjustForContentSizeChange:YES];
1021         [scroller_ setClipsSubviews:YES];
1022         [scroller_ setAllowsRubberBanding:YES];
1023         [scroller_ setScrollDecelerationFactor:0.99];
1024         [scroller_ setDelegate:self];
1025
1026         CGRect webrect = [scroller_ bounds];
1027         webrect.size.height = 0;
1028
1029         WebView *webview;
1030
1031 #if RecycleWebViews
1032         webview_ = [Documents_ lastObject];
1033         if (webview_ != nil) {
1034             webview_ = [webview_ retain];
1035             webview = [webview_ webView];
1036             [Documents_ removeLastObject];
1037             [webview_ setFrame:webrect];
1038         } else {
1039 #else
1040         if (true) {
1041 #endif
1042             webview_ = [[UIWebDocumentView alloc] initWithFrame:webrect];
1043             webview = [webview_ webView];
1044
1045             // XXX: this is terribly (too?) expensive
1046             //[webview_ setDrawsBackground:NO];
1047             [webview setPreferencesIdentifier:@"Cydia"];
1048
1049             [webview_ setTileSize:CGSizeMake(webrect.size.width, 500)];
1050
1051             [webview_ setAllowsMessaging:YES];
1052
1053             [webview_ setTilingEnabled:YES];
1054             [webview_ setDrawsGrid:NO];
1055             [webview_ setLogsTilingChanges:NO];
1056             [webview_ setTileMinificationFilter:kCAFilterNearest];
1057             [webview_ setDetectsPhoneNumbers:NO];
1058             [webview_ setAutoresizes:YES];
1059
1060             [webview_ setMinimumScale:0.25f forDocumentTypes:0x10];
1061             [webview_ setMaximumScale:5.00f forDocumentTypes:0x10];
1062             [webview_ setInitialScale:UIWebViewScalesToFitScale forDocumentTypes:0x10];
1063             //[webview_ setViewportSize:CGSizeMake(980, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x10];
1064
1065             [webview_ setViewportSize:CGSizeMake(320, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x2];
1066
1067             [webview_ setMinimumScale:1.00f forDocumentTypes:0x8];
1068             [webview_ setInitialScale:UIWebViewScalesToFitScale forDocumentTypes:0x8];
1069             [webview_ setViewportSize:CGSizeMake(320, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x8];
1070
1071             [webview_ _setDocumentType:0x4];
1072
1073             [webview_ setZoomsFocusedFormControl:YES];
1074             [webview_ setContentsPosition:7];
1075             [webview_ setEnabledGestures:0xa];
1076             [webview_ setValue:[NSNumber numberWithBool:YES] forGestureAttribute:UIGestureAttributeIsZoomRubberBandEnabled];
1077             [webview_ setValue:[NSNumber numberWithBool:YES] forGestureAttribute:UIGestureAttributeUpdatesScroller];
1078
1079             [webview_ setSmoothsFonts:YES];
1080             [webview_ setAllowsImageSheet:YES];
1081             [webview _setUsesLoaderCache:YES];
1082
1083             [webview setGroupName:@"CydiaGroup"];
1084             [webview _setLayoutInterval:0];
1085         }
1086
1087         [self setViewportWidth:width];
1088
1089         [webview_ setDelegate:self];
1090         [webview_ setGestureDelegate:self];
1091         [webview_ setFormEditingDelegate:self];
1092         [webview_ setInteractionDelegate:self];
1093
1094         [scroller_ addSubview:webview_];
1095
1096         //NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
1097
1098         CGSize indsize = [UIProgressIndicator defaultSizeForStyle:UIProgressIndicatorStyleMediumWhite];
1099         indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectMake(281, 12, indsize.width, indsize.height)];
1100         [indicator_ setStyle:UIProgressIndicatorStyleMediumWhite];
1101
1102         Package *package([[Database sharedInstance] packageWithName:@"cydia"]);
1103         NSString *application = package == nil ? @"Cydia" : [NSString
1104             stringWithFormat:@"Cydia/%@",
1105             [package installed]
1106         ];
1107
1108         if (Product_ != nil)
1109             application = [NSString stringWithFormat:@"%@ Version/%@", application, Product_];
1110         if (Build_ != nil)
1111             application = [NSString stringWithFormat:@"%@ Mobile/%@", application, Build_];
1112         if (Safari_ != nil)
1113             application = [NSString stringWithFormat:@"%@ Safari/%@", application, Safari_];
1114
1115         /* XXX: lookup application directory? */
1116         /*if (NSDictionary *safari = [NSDictionary dictionaryWithContentsOfFile:@"/Applications/MobileSafari.app/Info.plist"])
1117             if (NSString *version = [safari objectForKey:@"SafariProductVersion"])
1118                 application = [NSString stringWithFormat:@"Version/%@ %@", version, application];*/
1119
1120         [webview setApplicationNameForUserAgent:application];
1121
1122         indirect_ = [[IndirectDelegate alloc] initWithDelegate:self];
1123         cydia_ = [[CydiaObject alloc] initWithDelegate:indirect_];
1124
1125         [webview setFrameLoadDelegate:self];
1126         [webview setResourceLoadDelegate:indirect_];
1127         [webview setUIDelegate:self];
1128         [webview setScriptDebugDelegate:self];
1129         [webview setPolicyDelegate:self];
1130
1131         [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
1132         [scroller_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
1133     } return self;
1134 }
1135
1136 - (id) initWithBook:(RVBook *)book {
1137     return [self initWithBook:book forWidth:0];
1138 }
1139
1140 - (void) didFinishGesturesInView:(UIView *)view forEvent:(id)event {
1141     [webview_ redrawScaledDocument];
1142 }
1143
1144 - (void) callFunction:(WebScriptObject *)function {
1145     WebView *webview([webview_ webView]);
1146     WebFrame *frame([webview mainFrame]);
1147
1148     id _private(MSHookIvar<id>(webview, "_private"));
1149     WebCore::Page *page(_private == nil ? NULL : MSHookIvar<WebCore::Page *>(_private, "page"));
1150     WebCore::Settings *settings(page == NULL ? NULL : page->settings());
1151
1152     bool no;
1153     if (settings == NULL)
1154         no = 0;
1155     else {
1156         no = settings->JavaScriptCanOpenWindowsAutomatically();
1157         settings->setJavaScriptCanOpenWindowsAutomatically(true);
1158     }
1159
1160     [delegate_ clearFirstResponder];
1161     JSObjectRef object([function JSObject]);
1162     JSGlobalContextRef context([frame globalContext]);
1163     JSObjectCallAsFunction(context, object, NULL, 0, NULL, NULL);
1164
1165     if (settings != NULL)
1166             settings->setJavaScriptCanOpenWindowsAutomatically(no);
1167 }
1168
1169 - (void) didCloseBook:(RVBook *)book {
1170     if (closer_ != nil)
1171         [self callFunction:closer_];
1172 }
1173
1174 - (void) __rightButtonClicked {
1175     reloading_ = true;
1176     [self reloadURL];
1177 }
1178
1179 - (void) _rightButtonClicked {
1180     if (function_ == nil)
1181         [self __rightButtonClicked];
1182     else
1183         [self callFunction:function_];
1184 }
1185
1186 - (id) _rightButtonTitle {
1187     return @"Reload";
1188 }
1189
1190 - (id) rightButtonTitle {
1191     return [self isLoading] ? @"" : button_ != nil ? button_ : [self _rightButtonTitle];
1192 }
1193
1194 - (UINavigationButtonStyle) rightButtonStyle {
1195     if (style_ == nil) normal:
1196         return UINavigationButtonStyleNormal;
1197     else if ([style_ isEqualToString:@"Normal"])
1198         return UINavigationButtonStyleNormal;
1199     else if ([style_ isEqualToString:@"Back"])
1200         return UINavigationButtonStyleBack;
1201     else if ([style_ isEqualToString:@"Highlighted"])
1202         return UINavigationButtonStyleHighlighted;
1203     else if ([style_ isEqualToString:@"Destructive"])
1204         return UINavigationButtonStyleDestructive;
1205     else goto normal;
1206 }
1207
1208 - (NSString *) title {
1209     return title_ == nil ? @"Loading" : title_;
1210 }
1211
1212 - (NSString *) backButtonTitle {
1213     return @"Browser";
1214 }
1215
1216 - (void) setPageActive:(BOOL)active {
1217     if (!active)
1218         [indicator_ removeFromSuperview];
1219     else
1220         [[book_ navigationBar] addSubview:indicator_];
1221 }
1222
1223 - (void) resetViewAnimated:(BOOL)animated {
1224 }
1225
1226 - (void) setPushed:(bool)pushed {
1227     pushed_ = pushed;
1228 }
1229
1230 + (float) defaultWidth {
1231     return 980;
1232 }
1233
1234 @end