UICaboodle/BrowserView.mm

   1 #include <UIKit/UIKit.h>
   2 #include "iPhonePrivate.h"
   3
   4 #include "UCPlatform.h"
   5
   6 #include <UICaboodle/BrowserView.h>
   7 #include <UICaboodle/UCLocalize.h>
   8
   9 //#include <QuartzCore/CALayer.h>
  10 // XXX: fix the minimum requirement
  11 extern NSString * const kCAFilterNearest;
  12
  13 #include <WebCore/WebCoreThread.h>
  14
  15 #include <WebKit/WebPolicyDelegate.h>
  16 #include <WebKit/WebPreferences.h>
  17
  18 #include <WebKit/DOMCSSPrimitiveValue.h>
  19 #include <WebKit/DOMCSSStyleDeclaration.h>
  20 #include <WebKit/DOMDocument.h>
  21 #include <WebKit/DOMHTMLBodyElement.h>
  22 #include <WebKit/DOMRGBColor.h>
  23
  24 //#include <WebCore/Page.h>
  25 //#include <WebCore/Settings.h>
  26
  27 #include "substrate.h"
  28
  29 #define ForSaurik 0
  30
  31 template <typename Type_>
  32 static inline void CYRelease(Type_ &value) {
  33     if (value != nil) {
  34         [value release];
  35         value = nil;
  36     }
  37 }
  38
  39 @interface WebView (Apple)
  40 - (void) _setLayoutInterval:(float)interval;
  41 @end
  42
  43 @interface WebPreferences (Apple)
  44 + (void) _setInitialDefaultTextEncodingToSystemEncoding;
  45 - (void) _setLayoutInterval:(NSInteger)interval;
  46 - (void) setOfflineWebApplicationCacheEnabled:(BOOL)enabled;
  47 @end
  48
  49 /* Indirect Delegate {{{ */
  50 @interface IndirectDelegate : NSObject <
  51     HookProtocol
  52 > {
  53     _transient volatile id delegate_;
  54 }
  55
  56 - (void) setDelegate:(id)delegate;
  57 - (id) initWithDelegate:(id)delegate;
  58 @end
  59
  60 @implementation IndirectDelegate
  61
  62 - (void) setDelegate:(id)delegate {
  63     delegate_ = delegate;
  64 }
  65
  66 - (id) initWithDelegate:(id)delegate {
  67     delegate_ = delegate;
  68     return self;
  69 }
  70
  71 - (void) didDismissModalViewController {
  72     if (delegate_ != nil)
  73         return [delegate_ didDismissModalViewController];
  74 }
  75
  76 - (IMP) methodForSelector:(SEL)sel {
  77     if (IMP method = [super methodForSelector:sel])
  78         return method;
  79     fprintf(stderr, "methodForSelector:[%s] == NULL\n", sel_getName(sel));
  80     return NULL;
  81 }
  82
  83 - (BOOL) respondsToSelector:(SEL)sel {
  84     if ([super respondsToSelector:sel])
  85         return YES;
  86     // XXX: WebThreadCreateNSInvocation returns nil
  87     //fprintf(stderr, "[%s]R?%s\n", class_getName(self->isa), sel_getName(sel));
  88     return delegate_ == nil ? NO : [delegate_ respondsToSelector:sel];
  89 }
  90
  91 - (NSMethodSignature *) methodSignatureForSelector:(SEL)sel {
  92     if (NSMethodSignature *method = [super methodSignatureForSelector:sel])
  93         return method;
  94     //fprintf(stderr, "[%s]S?%s\n", class_getName(self->isa), sel_getName(sel));
  95     if (delegate_ != nil)
  96         if (NSMethodSignature *sig = [delegate_ methodSignatureForSelector:sel])
  97             return sig;
  98     // XXX: I fucking hate Apple so very very bad
  99     return [NSMethodSignature signatureWithObjCTypes:"v@:"];
 100 }
 101
 102 - (void) forwardInvocation:(NSInvocation *)inv {
 103     SEL sel = [inv selector];
 104     if (delegate_ != nil && [delegate_ respondsToSelector:sel])
 105         [inv invokeWithTarget:delegate_];
 106 }
 107
 108 @end
 109 /* }}} */
 110
 111 @implementation WebScriptObject (UICaboodle)
 112
 113 - (NSUInteger) count {
 114     id length([self valueForKey:@"length"]);
 115     if ([length respondsToSelector:@selector(intValue)])
 116         return [length intValue];
 117     else
 118         return 0;
 119 }
 120
 121 - (id) objectAtIndex:(unsigned)index {
 122     return [self webScriptValueAtIndex:index];
 123 }
 124
 125 @end
 126
 127 // CYWebPolicyDecision* {{{
 128 enum CYWebPolicyDecision {
 129     CYWebPolicyDecisionUnknown,
 130     CYWebPolicyDecisionDownload,
 131     CYWebPolicyDecisionIgnore,
 132     CYWebPolicyDecisionUse,
 133 };
 134
 135 @interface CYWebPolicyDecisionMediator : NSObject <
 136     WebPolicyDecisionListener
 137 > {
 138     id<WebPolicyDecisionListener> listener_;
 139     CYWebPolicyDecision decision_;
 140 }
 141
 142 - (id) initWithListener:(id<WebPolicyDecisionListener>)listener;
 143
 144 - (CYWebPolicyDecision) decision;
 145 - (bool) decided;
 146 - (bool) decide;
 147
 148 @end
 149
 150 @implementation CYWebPolicyDecisionMediator
 151
 152 - (id) initWithListener:(id<WebPolicyDecisionListener>)listener {
 153     if ((self = [super init]) != nil) {
 154         listener_ = listener;
 155     } return self;
 156 }
 157
 158 - (CYWebPolicyDecision) decision {
 159     return decision_;
 160 }
 161
 162 - (bool) decided {
 163     return decision_ != CYWebPolicyDecisionUnknown;
 164 }
 165
 166 - (bool) decide {
 167     switch (decision_) {
 168         case CYWebPolicyDecisionUnknown:
 169         default:
 170             return false;
 171
 172         case CYWebPolicyDecisionDownload: [listener_ download]; break;
 173         case CYWebPolicyDecisionIgnore: [listener_ ignore]; break;
 174         case CYWebPolicyDecisionUse: [listener_ use]; break;
 175     }
 176
 177     return true;
 178 }
 179
 180 - (void) download {
 181     decision_ = CYWebPolicyDecisionDownload;
 182 }
 183
 184 - (void) ignore {
 185     decision_ = CYWebPolicyDecisionIgnore;
 186 }
 187
 188 - (void) use {
 189     decision_ = CYWebPolicyDecisionUse;
 190 }
 191
 192 @end
 193 // }}}
 194
 195 @implementation CYWebView : UIWebView
 196
 197 - (id) initWithFrame:(CGRect)frame {
 198     if ((self = [super initWithFrame:frame]) != nil) {
 199     } return self;
 200 }
 201
 202 - (void) dealloc {
 203     [super dealloc];
 204 }
 205
 206 - (id<CYWebViewDelegate>) delegate {
 207     return (id<CYWebViewDelegate>) [super delegate];
 208 }
 209
 210 /*- (WebView *) webView:(WebView *)view createWebViewWithRequest:(NSURLRequest *)request {
 211     NSLog(@"createWebViewWithRequest:%@", request);
 212     WebView *created(nil); // XXX
 213     if (created == nil && [super respondsToSelector:@selector(webView:createWebViewWithRequest:)])
 214         return [super webView:view createWebViewWithRequest:request];
 215     else
 216         return created;
 217 }*/
 218
 219 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 220     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 221     [[self delegate] webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 222     if (![mediator decided] && [super respondsToSelector:@selector(webView:decidePolicyForNavigationAction:request:frame:decisionListener:)])
 223         [super webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 224     [mediator decide];
 225 }
 226
 227 - (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 228     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 229     [[self delegate] webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 230     if (![mediator decided] && [super respondsToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 231         [super webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 232     [mediator decide];
 233 }
 234
 235 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 236     [[self delegate] webView:view didClearWindowObject:window forFrame:frame];
 237     if ([super respondsToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 238         [super webView:view didClearWindowObject:window forFrame:frame];
 239 }
 240
 241 - (void) webView:(WebView *)view didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 242     [[self delegate] webView:view didFailLoadWithError:error forFrame:frame];
 243     if ([super respondsToSelector:@selector(webView:didFailLoadWithError:forFrame:)])
 244         [super webView:view didFailLoadWithError:error forFrame:frame];
 245 }
 246
 247 - (void) webView:(WebView *)view didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 248     [[self delegate] webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 249     if ([super respondsToSelector:@selector(webView:didFailProvisionalLoadWithError:forFrame:)])
 250         [super webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 251 }
 252
 253 - (void) webView:(WebView *)view didFinishLoadForFrame:(WebFrame *)frame {
 254     [[self delegate] webView:view didFinishLoadForFrame:frame];
 255     if ([super respondsToSelector:@selector(webView:didFinishLoadForFrame:)])
 256         [super webView:view didFinishLoadForFrame:frame];
 257 }
 258
 259 - (void) webView:(WebView *)view didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 260     [[self delegate] webView:view didReceiveTitle:title forFrame:frame];
 261     if ([super respondsToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 262         [super webView:view didReceiveTitle:title forFrame:frame];
 263 }
 264
 265 - (void) webView:(WebView *)view didStartProvisionalLoadForFrame:(WebFrame *)frame {
 266     [[self delegate] webView:view didStartProvisionalLoadForFrame:frame];
 267     if ([super respondsToSelector:@selector(webView:didStartProvisionalLoadForFrame:)])
 268         [super webView:view didStartProvisionalLoadForFrame:frame];
 269 }
 270
 271 - (NSURLRequest *) webView:(WebView *)view resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
 272     if ([super respondsToSelector:@selector(webView:resource:willSendRequest:redirectResponse:)])
 273         request = [super webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 274     return [[self delegate] webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 275 }
 276
 277 - (void) webView:(WebView *)view runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 278     if ([super respondsToSelector:@selector(webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame:)])
 279         if ([[self delegate] webView:view shouldRunJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame])
 280             [super webView:view runJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame];
 281 }
 282
 283 - (BOOL) webView:(WebView *)view runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 284     if ([super respondsToSelector:@selector(webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame:)])
 285         if ([[self delegate] webView:view shouldRunJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame])
 286             return [super webView:view runJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame];
 287     return NO;
 288 }
 289
 290 - (NSString *) webView:(WebView *)view runJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)text initiatedByFrame:(WebFrame *)frame {
 291     if ([super respondsToSelector:@selector(webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:)])
 292         if ([[self delegate] webView:view shouldRunJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame])
 293             return [super webView:view runJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame];
 294     return nil;
 295 }
 296
 297 - (void) webViewClose:(WebView *)view {
 298     [[self delegate] webViewClose:view];
 299     if ([super respondsToSelector:@selector(webViewClose:)])
 300         [super webViewClose:view];
 301 }
 302
 303 @end
 304
 305 #define ShowInternals 0
 306 #define LogBrowser 1
 307
 308 #define lprintf(args...) fprintf(stderr, args)
 309
 310 @implementation BrowserController
 311
 312 #if ShowInternals
 313 #include "UICaboodle/UCInternal.h"
 314 #endif
 315
 316 + (void) _initialize {
 317     [WebPreferences _setInitialDefaultTextEncodingToSystemEncoding];
 318 }
 319
 320 - (void) dealloc {
 321 #if LogBrowser
 322     NSLog(@"[BrowserController dealloc]");
 323 #endif
 324
 325     [webview_ setDelegate:nil];
 326
 327     [indirect_ setDelegate:nil];
 328     [indirect_ release];
 329
 330     if (challenge_ != nil)
 331         [challenge_ release];
 332
 333     //NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
 334
 335     if (custom_ != nil)
 336         [custom_ release];
 337     if (style_ != nil)
 338         [style_ release];
 339
 340     if (function_ != nil)
 341         [function_ release];
 342     if (closer_ != nil)
 343         [closer_ release];
 344
 345     if (sensitive_ != nil)
 346         [sensitive_ release];
 347     if (title_ != nil)
 348         [title_ release];
 349
 350     [reloaditem_ release];
 351     [loadingitem_ release];
 352
 353     [indicator_ release];
 354
 355     [super dealloc];
 356 }
 357
 358 - (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
 359     [self loadRequest:[NSURLRequest
 360         requestWithURL:url
 361         cachePolicy:policy
 362         timeoutInterval:120.0
 363     ]];
 364 }
 365
 366 - (void) loadURL:(NSURL *)url {
 367     [self loadURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy];
 368 }
 369
 370 - (void) loadRequest:(NSURLRequest *)request {
 371     error_ = false;
 372
 373     WebThreadLock();
 374     [webview_ loadRequest:request];
 375     WebThreadUnlock();
 376 }
 377
 378 - (void) reloadURL {
 379     if (request_ == nil)
 380         return;
 381
 382     if ([request_ HTTPBody] == nil && [request_ HTTPBodyStream] == nil)
 383         [self loadRequest:request_];
 384     else {
 385         UIAlertView *alert = [[[UIAlertView alloc]
 386             initWithTitle:UCLocalize("RESUBMIT_FORM")
 387             message:nil
 388             delegate:self
 389             cancelButtonTitle:UCLocalize("CANCEL")
 390             otherButtonTitles:UCLocalize("SUBMIT"), nil
 391         ] autorelease];
 392
 393         [alert setContext:@"submit"];
 394         [alert show];
 395     }
 396 }
 397
 398 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 399     if (custom_ != nil)
 400         [custom_ autorelease];
 401     custom_ = button == nil ? nil : [[UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:button]]] retain];
 402
 403     if (style_ != nil)
 404         [style_ autorelease];
 405     style_ = style == nil ? nil : [style retain];
 406
 407     if (function_ != nil)
 408         [function_ autorelease];
 409     function_ = function == nil ? nil : [function retain];
 410
 411     [self applyRightButton];
 412 }
 413
 414 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 415     if (custom_ != nil)
 416         [custom_ autorelease];
 417     custom_ = button == nil ? nil : [button retain];
 418
 419     if (style_ != nil)
 420         [style_ autorelease];
 421     style_ = style == nil ? nil : [style retain];
 422
 423     if (function_ != nil)
 424         [function_ autorelease];
 425     function_ = function == nil ? nil : [function retain];
 426
 427     [self applyRightButton];
 428 }
 429
 430 - (void) setPopupHook:(id)function {
 431     if (closer_ != nil)
 432         [closer_ autorelease];
 433     closer_ = function == nil ? nil : [function retain];
 434 }
 435
 436 - (void) setViewportWidth:(float)width {
 437     width_ = width != 0 ? width : [[self class] defaultWidth];
 438     [[webview_ _documentView] setViewportSize:CGSizeMake(width_, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x10];
 439 }
 440
 441 - (void) _openMailToURL:(NSURL *)url {
 442     [[UIApplication sharedApplication] openURL:url];// asPanel:YES];
 443 }
 444
 445 - (bool) _allowJavaScriptPanel {
 446     return true;
 447 }
 448
 449 - (void) _didFailWithError:(NSError *)error forFrame:(WebFrame *)frame {
 450     [loading_ removeObject:[NSValue valueWithNonretainedObject:frame]];
 451     [self _didFinishLoading];
 452
 453     if ([error code] == NSURLErrorCancelled)
 454         return;
 455
 456     if ([frame parentFrame] == nil) {
 457         [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@?%@",
 458             [[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"error" ofType:@"html"]] absoluteString],
 459             [[error localizedDescription] stringByAddingPercentEscapes]
 460         ]]];
 461
 462         error_ = true;
 463     }
 464 }
 465
 466 // CYWebViewDelegate {{{
 467 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 468 #if LogBrowser
 469     NSLog(@"decidePolicyForNavigationAction:%@ request:%@ frame:%@", action, request, frame);
 470 #endif
 471
 472     if (!error_ && [frame parentFrame] == nil) {
 473         if (request_ != nil)
 474             [request_ autorelease];
 475         if (request == nil)
 476             request_ = nil;
 477         else
 478             request_ = [request retain];
 479     }
 480 }
 481
 482 - (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 483 #if LogBrowser
 484     NSLog(@"decidePolicyForNewWindowAction:%@ request:%@ newFrameName:%@", action, request, frame);
 485 #endif
 486
 487     NSURL *url([request URL]);
 488     if (url == nil)
 489         return;
 490
 491     if ([frame isEqualToString:@"_open"])
 492         [delegate_ openURL:url];
 493
 494     NSString *scheme([[url scheme] lowercaseString]);
 495     if ([scheme isEqualToString:@"mailto"])
 496         [self _openMailToURL:url];
 497
 498     CYViewController *page([delegate_ pageForURL:url hasTag:NULL]);
 499
 500     if (page == nil) {
 501         BrowserController *browser([[[class_ alloc] init] autorelease]);
 502         [browser loadRequest:request];
 503         page = browser;
 504     }
 505
 506     [page setDelegate:delegate_];
 507
 508     if (![frame isEqualToString:@"_popup"]) {
 509         [[self navigationItem] setTitle:title_];
 510
 511         [[self navigationController] pushViewController:page animated:YES];
 512     } else {
 513         UCNavigationController *navigation([[[UCNavigationController alloc] init] autorelease]);
 514
 515         [navigation setHook:indirect_];
 516         [navigation setDelegate:delegate_];
 517
 518         [navigation setViewControllers:[NSArray arrayWithObject:page]];
 519
 520         [[page navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
 521             initWithTitle:UCLocalize("CLOSE")
 522             style:UIBarButtonItemStylePlain
 523             target:page
 524             action:@selector(close)
 525         ] autorelease]];
 526
 527         [[self navigationController] presentModalViewController:navigation animated:YES];
 528     }
 529
 530     [listener ignore];
 531 }
 532
 533 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 534 }
 535
 536 - (void) webView:(WebView *)view didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 537 #if LogBrowser
 538     NSLog(@"didFailLoadWithError:%@ forFrame:%@", error, frame);
 539 #endif
 540
 541     [self _didFailWithError:error forFrame:frame];
 542 }
 543
 544 - (void) webView:(WebView *)view didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 545 #if LogBrowser
 546     NSLog(@"didFailProvisionalLoadWithError:%@ forFrame:%@", error, frame);
 547 #endif
 548
 549     [self _didFailWithError:error forFrame:frame];
 550 }
 551
 552 - (void) webView:(WebView *)view didFinishLoadForFrame:(WebFrame *)frame {
 553     [loading_ removeObject:[NSValue valueWithNonretainedObject:frame]];
 554
 555     if ([frame parentFrame] == nil) {
 556         if (DOMDocument *document = [frame DOMDocument])
 557             if (DOMNodeList<NSFastEnumeration> *bodies = [document getElementsByTagName:@"body"])
 558                 for (DOMHTMLBodyElement *body in (id) bodies) {
 559                     DOMCSSStyleDeclaration *style([document getComputedStyle:body pseudoElement:nil]);
 560
 561                     bool colored(false);
 562
 563                     if (DOMCSSPrimitiveValue *color = static_cast<DOMCSSPrimitiveValue *>([style getPropertyCSSValue:@"background-color"])) {
 564                         if ([color primitiveType] == DOM_CSS_RGBCOLOR) {
 565                             DOMRGBColor *rgb([color getRGBColorValue]);
 566
 567                             float red([[rgb red] getFloatValue:DOM_CSS_NUMBER]);
 568                             float green([[rgb green] getFloatValue:DOM_CSS_NUMBER]);
 569                             float blue([[rgb blue] getFloatValue:DOM_CSS_NUMBER]);
 570                             float alpha([[rgb alpha] getFloatValue:DOM_CSS_NUMBER]);
 571
 572                             UIColor *uic(nil);
 573
 574                             if (red == 0xc7 && green == 0xce && blue == 0xd5)
 575                                 uic = [UIColor groupTableViewBackgroundColor];
 576                             else if (alpha != 0)
 577                                 uic = [UIColor
 578                                     colorWithRed:(red / 255)
 579                                     green:(green / 255)
 580                                     blue:(blue / 255)
 581                                     alpha:alpha
 582                                 ];
 583
 584                             if (uic != nil) {
 585                                 colored = true;
 586                                 [scroller_ setBackgroundColor:uic];
 587                             }
 588                         }
 589                     }
 590
 591                     if (!colored)
 592                         [scroller_ setBackgroundColor:[UIColor groupTableViewBackgroundColor]];
 593                     break;
 594                 }
 595     }
 596
 597     [self _didFinishLoading];
 598 }
 599
 600 - (void) webView:(WebView *)view didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 601     if ([frame parentFrame] != nil)
 602         return;
 603
 604     title_ = [title retain];
 605     [[self navigationItem] setTitle:title_];
 606 }
 607
 608 - (void) webView:(WebView *)view didStartProvisionalLoadForFrame:(WebFrame *)frame {
 609     [loading_ addObject:[NSValue valueWithNonretainedObject:frame]];
 610
 611     if ([frame parentFrame] == nil) {
 612         CYRelease(title_);
 613         CYRelease(custom_);
 614         CYRelease(style_);
 615         CYRelease(function_);
 616         CYRelease(closer_);
 617
 618         // XXX: do we still need to do this?
 619         [[self navigationItem] setTitle:nil];
 620     }
 621
 622     [self _didStartLoading];
 623 }
 624
 625 - (NSURLRequest *) webView:(WebView *)view resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
 626     return request;
 627 }
 628
 629 - (bool) webView:(WebView *)view shouldRunJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 630     return [self _allowJavaScriptPanel];
 631 }
 632
 633 - (bool) webView:(WebView *)view shouldRunJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 634     return [self _allowJavaScriptPanel];
 635 }
 636
 637 - (bool) webView:(WebView *)view shouldRunJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)text initiatedByFrame:(WebFrame *)frame {
 638     return [self _allowJavaScriptPanel];
 639 }
 640
 641 - (void) webViewClose:(WebView *)view {
 642     [self close];
 643 }
 644 // }}}
 645
 646 - (void) close {
 647     [[self navigationController] dismissModalViewControllerAnimated:YES];
 648 }
 649
 650 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
 651     NSString *context([alert context]);
 652
 653     if ([context isEqualToString:@"sensitive"]) {
 654         switch (button) {
 655             case 1:
 656                 sensitive_ = [NSNumber numberWithBool:YES];
 657             break;
 658
 659             case 2:
 660                 sensitive_ = [NSNumber numberWithBool:NO];
 661             break;
 662         }
 663
 664         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 665     } else if ([context isEqualToString:@"challenge"]) {
 666         id<NSURLAuthenticationChallengeSender> sender([challenge_ sender]);
 667
 668         switch (button) {
 669             case 1: {
 670                 NSString *username([[alert textFieldAtIndex:0] text]);
 671                 NSString *password([[alert textFieldAtIndex:1] text]);
 672
 673                 NSURLCredential *credential([NSURLCredential credentialWithUser:username password:password persistence:NSURLCredentialPersistenceForSession]);
 674
 675                 [sender useCredential:credential forAuthenticationChallenge:challenge_];
 676             } break;
 677
 678             case 2:
 679                 [sender cancelAuthenticationChallenge:challenge_];
 680             break;
 681
 682             _nodefault
 683         }
 684
 685         [challenge_ release];
 686         challenge_ = nil;
 687
 688         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 689     } else if ([context isEqualToString:@"submit"]) {
 690         switch (button) {
 691             case 1:
 692             break;
 693
 694             case 2:
 695                 if (request_ != nil) {
 696                     WebThreadLock();
 697                     [webview_ loadRequest:request_];
 698                     WebThreadUnlock();
 699                 }
 700             break;
 701
 702             _nodefault
 703         }
 704
 705         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 706     }
 707 }
 708
 709 - (UIBarButtonItemStyle) rightButtonStyle {
 710     if (style_ == nil) normal:
 711         return UIBarButtonItemStylePlain;
 712     else if ([style_ isEqualToString:@"Normal"])
 713         return UIBarButtonItemStylePlain;
 714     else if ([style_ isEqualToString:@"Highlighted"])
 715         return UIBarButtonItemStyleDone;
 716     else goto normal;
 717 }
 718
 719 - (UIBarButtonItem *) customButton {
 720     return [[[UIBarButtonItem alloc]
 721         initWithTitle:custom_
 722         style:[self rightButtonStyle]
 723         target:self
 724         action:@selector(customButtonClicked)
 725     ] autorelease];
 726 }
 727
 728 - (UIBarButtonItem *) rightButton {
 729     return reloaditem_;
 730 }
 731
 732 - (void) applyLoadingTitle {
 733     [[self navigationItem] setTitle:UCLocalize("LOADING")];
 734 }
 735
 736 - (void) applyRightButton {
 737     if ([self isLoading]) {
 738         [[self navigationItem] setRightBarButtonItem:loadingitem_ animated:YES];
 739         // XXX: why do we do this again here?
 740         [[loadingitem_ view] addSubview:indicator_];
 741         [self applyLoadingTitle];
 742     } else if (custom_ != nil) {
 743         [[self navigationItem] setRightBarButtonItem:[self customButton] animated:YES];
 744     } else {
 745         [[self navigationItem] setRightBarButtonItem:[self rightButton] animated:YES];
 746     }
 747 }
 748
 749 - (void) _didStartLoading {
 750     [self applyRightButton];
 751 }
 752
 753 - (void) _didFinishLoading {
 754     if ([loading_ count] != 0)
 755         return;
 756
 757     [self applyRightButton];
 758
 759     // XXX: wtf?
 760     if (![self isLoading])
 761         [[self navigationItem] setTitle:title_];
 762 }
 763
 764 - (bool) isLoading {
 765     return [loading_ count] != 0;
 766 }
 767
 768 - (id) initWithWidth:(float)width ofClass:(Class)_class {
 769     if ((self = [super init]) != nil) {
 770         class_ = _class;
 771         loading_ = [[NSMutableSet alloc] initWithCapacity:5];
 772
 773         indirect_ = [[IndirectDelegate alloc] initWithDelegate:self];
 774
 775         webview_ = [[[CYWebView alloc] initWithFrame:[[self view] bounds]] autorelease];
 776         [webview_ setDelegate:self];
 777         [self setView:webview_];
 778
 779         if ([webview_ respondsToSelector:@selector(setDataDetectorTypes:)])
 780             [webview_ setDataDetectorTypes:UIDataDetectorTypeAutomatic];
 781         else
 782             [webview_ setDetectsPhoneNumbers:NO];
 783
 784         [webview_ setScalesPageToFit:YES];
 785
 786         UIWebDocumentView *document([webview_ _documentView]);
 787
 788         // XXX: I think this improves scrolling; the hardcoded-ness sucks
 789         [document setTileSize:CGSizeMake(320, 500)];
 790
 791         [document setBackgroundColor:[UIColor clearColor]];
 792         [document setDrawsBackground:NO];
 793
 794         WebView *webview([document webView]);
 795         WebPreferences *preferences([webview preferences]);
 796
 797         // XXX: I have no clue if I actually /want/ this modification
 798         if ([webview respondsToSelector:@selector(_setLayoutInterval:)])
 799             [webview _setLayoutInterval:0];
 800         else if ([preferences respondsToSelector:@selector(_setLayoutInterval:)])
 801             [preferences _setLayoutInterval:0];
 802
 803         [preferences setCacheModel:WebCacheModelDocumentBrowser];
 804         [preferences setOfflineWebApplicationCacheEnabled:YES];
 805
 806         if ([webview_ respondsToSelector:@selector(_scrollView)]) {
 807             scroller_ = [webview_ _scrollView];
 808
 809             [scroller_ setDirectionalLockEnabled:YES];
 810             [scroller_ setDecelerationRate:UIScrollViewDecelerationRateNormal];
 811             [scroller_ setDelaysContentTouches:NO];
 812
 813             [scroller_ setCanCancelContentTouches:YES];
 814         } else if ([webview_ respondsToSelector:@selector(_scroller)]) {
 815             UIScroller *scroller([webview_ _scroller]);
 816             scroller_ = (UIScrollView *) scroller;
 817
 818             [scroller setDirectionalScrolling:YES];
 819             [scroller setScrollDecelerationFactor:UIScrollViewDecelerationRateNormal]; /* 0.989324 */
 820             [scroller setScrollHysteresis:0]; /* 8 */
 821
 822             [scroller setThumbDetectionEnabled:NO];
 823
 824             // use NO with UIApplicationUseLegacyEvents(YES)
 825             [scroller setEventMode:YES];
 826
 827             // XXX: this is handled by setBounces, right?
 828             //[scroller setAllowsRubberBanding:YES];
 829         }
 830
 831         [scroller_ setFixedBackgroundPattern:YES];
 832         [scroller_ setBackgroundColor:[UIColor groupTableViewBackgroundColor]];
 833         [scroller_ setClipsSubviews:YES];
 834
 835         [scroller_ setBounces:YES];
 836         [scroller_ setScrollingEnabled:YES];
 837         [scroller_ setShowBackgroundShadow:NO];
 838
 839         [self setViewportWidth:width];
 840
 841         reloaditem_ = [[UIBarButtonItem alloc]
 842             initWithTitle:UCLocalize("RELOAD")
 843             style:[self rightButtonStyle]
 844             target:self
 845             action:@selector(reloadButtonClicked)
 846         ];
 847
 848         loadingitem_ = [[UIBarButtonItem alloc]
 849             initWithTitle:@" "
 850             style:UIBarButtonItemStylePlain
 851             target:self
 852             action:@selector(reloadButtonClicked)
 853         ];
 854
 855         CGSize indsize = [UIProgressIndicator defaultSizeForStyle:UIProgressIndicatorStyleMediumWhite];
 856         indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectMake(15, 5, indsize.width, indsize.height)];
 857         [indicator_ setStyle:UIProgressIndicatorStyleMediumWhite];
 858         [indicator_ startAnimation];
 859         [[loadingitem_ view] addSubview:indicator_];
 860
 861         [webview_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
 862         [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
 863     } return self;
 864 }
 865
 866 - (id) initWithWidth:(float)width {
 867     return [self initWithWidth:width ofClass:[self class]];
 868 }
 869
 870 - (id) init {
 871     return [self initWithWidth:0];
 872 }
 873
 874 - (void) didDismissModalViewController {
 875     if (closer_ != nil)
 876         [self callFunction:closer_];
 877 }
 878
 879 - (void) callFunction:(WebScriptObject *)function {
 880     WebThreadLock();
 881
 882     WebView *webview([[webview_ _documentView] webView]);
 883     WebFrame *frame([webview mainFrame]);
 884     WebPreferences *preferences([webview preferences]);
 885
 886     bool maybe([preferences javaScriptCanOpenWindowsAutomatically]);
 887     [preferences setJavaScriptCanOpenWindowsAutomatically:NO];
 888
 889     /*id _private(MSHookIvar<id>(webview, "_private"));
 890     WebCore::Page *page(_private == nil ? NULL : MSHookIvar<WebCore::Page *>(_private, "page"));
 891     WebCore::Settings *settings(page == NULL ? NULL : page->settings());
 892
 893     bool no;
 894     if (settings == NULL)
 895         no = 0;
 896     else {
 897         no = settings->JavaScriptCanOpenWindowsAutomatically();
 898         settings->setJavaScriptCanOpenWindowsAutomatically(true);
 899     }*/
 900
 901     if (UIWindow *window = [[self view] window])
 902         if (UIResponder *responder = [window firstResponder])
 903             [responder resignFirstResponder];
 904
 905     JSObjectRef object([function JSObject]);
 906     JSGlobalContextRef context([frame globalContext]);
 907     JSObjectCallAsFunction(context, object, NULL, 0, NULL, NULL);
 908
 909     /*if (settings != NULL)
 910         settings->setJavaScriptCanOpenWindowsAutomatically(no);*/
 911
 912     [preferences setJavaScriptCanOpenWindowsAutomatically:maybe];
 913
 914     WebThreadUnlock();
 915 }
 916
 917 - (void) reloadButtonClicked {
 918     [self reloadURL];
 919 }
 920
 921 - (void) _customButtonClicked {
 922     [self reloadButtonClicked];
 923 }
 924
 925 - (void) customButtonClicked {
 926 #if !AlwaysReload
 927     if (function_ != nil)
 928         [self callFunction:function_];
 929     else
 930 #endif
 931     [self _customButtonClicked];
 932 }
 933
 934 + (float) defaultWidth {
 935     return 980;
 936 }
 937
 938 @end