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 float CYScrollViewDecelerationRateNormal;
  40
  41 @interface WebView (Apple)
  42 - (void) _setLayoutInterval:(float)interval;
  43 @end
  44
  45 @interface WebPreferences (Apple)
  46 + (void) _setInitialDefaultTextEncodingToSystemEncoding;
  47 - (void) _setLayoutInterval:(NSInteger)interval;
  48 - (void) setOfflineWebApplicationCacheEnabled:(BOOL)enabled;
  49 @end
  50
  51 /* Indirect Delegate {{{ */
  52 @interface IndirectDelegate : NSObject <
  53     HookProtocol
  54 > {
  55     _transient volatile id delegate_;
  56 }
  57
  58 - (void) setDelegate:(id)delegate;
  59 - (id) initWithDelegate:(id)delegate;
  60 @end
  61
  62 @implementation IndirectDelegate
  63
  64 - (void) setDelegate:(id)delegate {
  65     delegate_ = delegate;
  66 }
  67
  68 - (id) initWithDelegate:(id)delegate {
  69     delegate_ = delegate;
  70     return self;
  71 }
  72
  73 - (void) didDismissModalViewController {
  74     if (delegate_ != nil)
  75         return [delegate_ didDismissModalViewController];
  76 }
  77
  78 - (IMP) methodForSelector:(SEL)sel {
  79     if (IMP method = [super methodForSelector:sel])
  80         return method;
  81     fprintf(stderr, "methodForSelector:[%s] == NULL\n", sel_getName(sel));
  82     return NULL;
  83 }
  84
  85 - (BOOL) respondsToSelector:(SEL)sel {
  86     if ([super respondsToSelector:sel])
  87         return YES;
  88     // XXX: WebThreadCreateNSInvocation returns nil
  89     //fprintf(stderr, "[%s]R?%s\n", class_getName(self->isa), sel_getName(sel));
  90     return delegate_ == nil ? NO : [delegate_ respondsToSelector:sel];
  91 }
  92
  93 - (NSMethodSignature *) methodSignatureForSelector:(SEL)sel {
  94     if (NSMethodSignature *method = [super methodSignatureForSelector:sel])
  95         return method;
  96     //fprintf(stderr, "[%s]S?%s\n", class_getName(self->isa), sel_getName(sel));
  97     if (delegate_ != nil)
  98         if (NSMethodSignature *sig = [delegate_ methodSignatureForSelector:sel])
  99             return sig;
 100     // XXX: I fucking hate Apple so very very bad
 101     return [NSMethodSignature signatureWithObjCTypes:"v@:"];
 102 }
 103
 104 - (void) forwardInvocation:(NSInvocation *)inv {
 105     SEL sel = [inv selector];
 106     if (delegate_ != nil && [delegate_ respondsToSelector:sel])
 107         [inv invokeWithTarget:delegate_];
 108 }
 109
 110 @end
 111 /* }}} */
 112
 113 @implementation WebScriptObject (UICaboodle)
 114
 115 - (NSUInteger) count {
 116     id length([self valueForKey:@"length"]);
 117     if ([length respondsToSelector:@selector(intValue)])
 118         return [length intValue];
 119     else
 120         return 0;
 121 }
 122
 123 - (id) objectAtIndex:(unsigned)index {
 124     return [self webScriptValueAtIndex:index];
 125 }
 126
 127 @end
 128
 129 // CYWebPolicyDecision* {{{
 130 enum CYWebPolicyDecision {
 131     CYWebPolicyDecisionUnknown,
 132     CYWebPolicyDecisionDownload,
 133     CYWebPolicyDecisionIgnore,
 134     CYWebPolicyDecisionUse,
 135 };
 136
 137 @interface CYWebPolicyDecisionMediator : NSObject <
 138     WebPolicyDecisionListener
 139 > {
 140     id<WebPolicyDecisionListener> listener_;
 141     CYWebPolicyDecision decision_;
 142 }
 143
 144 - (id) initWithListener:(id<WebPolicyDecisionListener>)listener;
 145
 146 - (CYWebPolicyDecision) decision;
 147 - (bool) decided;
 148 - (bool) decide;
 149
 150 @end
 151
 152 @implementation CYWebPolicyDecisionMediator
 153
 154 - (id) initWithListener:(id<WebPolicyDecisionListener>)listener {
 155     if ((self = [super init]) != nil) {
 156         listener_ = listener;
 157     } return self;
 158 }
 159
 160 - (CYWebPolicyDecision) decision {
 161     return decision_;
 162 }
 163
 164 - (bool) decided {
 165     return decision_ != CYWebPolicyDecisionUnknown;
 166 }
 167
 168 - (bool) decide {
 169     switch (decision_) {
 170         case CYWebPolicyDecisionUnknown:
 171         default:
 172             return false;
 173
 174         case CYWebPolicyDecisionDownload: [listener_ download]; break;
 175         case CYWebPolicyDecisionIgnore: [listener_ ignore]; break;
 176         case CYWebPolicyDecisionUse: [listener_ use]; break;
 177     }
 178
 179     return true;
 180 }
 181
 182 - (void) download {
 183     decision_ = CYWebPolicyDecisionDownload;
 184 }
 185
 186 - (void) ignore {
 187     decision_ = CYWebPolicyDecisionIgnore;
 188 }
 189
 190 - (void) use {
 191     decision_ = CYWebPolicyDecisionUse;
 192 }
 193
 194 @end
 195 // }}}
 196
 197 @implementation CYWebView : UIWebView
 198
 199 - (id) initWithFrame:(CGRect)frame {
 200     if ((self = [super initWithFrame:frame]) != nil) {
 201     } return self;
 202 }
 203
 204 - (void) dealloc {
 205     [super dealloc];
 206 }
 207
 208 - (id<CYWebViewDelegate>) delegate {
 209     return (id<CYWebViewDelegate>) [super delegate];
 210 }
 211
 212 /*- (WebView *) webView:(WebView *)view createWebViewWithRequest:(NSURLRequest *)request {
 213     NSLog(@"createWebViewWithRequest:%@", request);
 214     WebView *created(nil); // XXX
 215     if (created == nil && [super respondsToSelector:@selector(webView:createWebViewWithRequest:)])
 216         return [super webView:view createWebViewWithRequest:request];
 217     else
 218         return created;
 219 }*/
 220
 221 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 222     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 223     [[self delegate] webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 224     if (![mediator decided] && [super respondsToSelector:@selector(webView:decidePolicyForNavigationAction:request:frame:decisionListener:)])
 225         [super webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 226     [mediator decide];
 227 }
 228
 229 - (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 230     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 231     [[self delegate] webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 232     if (![mediator decided] && [super respondsToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 233         [super webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 234     [mediator decide];
 235 }
 236
 237 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 238     [[self delegate] webView:view didClearWindowObject:window forFrame:frame];
 239     if ([super respondsToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 240         [super webView:view didClearWindowObject:window forFrame:frame];
 241 }
 242
 243 - (void) webView:(WebView *)view didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 244     [[self delegate] webView:view didFailLoadWithError:error forFrame:frame];
 245     if ([super respondsToSelector:@selector(webView:didFailLoadWithError:forFrame:)])
 246         [super webView:view didFailLoadWithError:error forFrame:frame];
 247 }
 248
 249 - (void) webView:(WebView *)view didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 250     [[self delegate] webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 251     if ([super respondsToSelector:@selector(webView:didFailProvisionalLoadWithError:forFrame:)])
 252         [super webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 253 }
 254
 255 - (void) webView:(WebView *)view didFinishLoadForFrame:(WebFrame *)frame {
 256     [[self delegate] webView:view didFinishLoadForFrame:frame];
 257     if ([super respondsToSelector:@selector(webView:didFinishLoadForFrame:)])
 258         [super webView:view didFinishLoadForFrame:frame];
 259 }
 260
 261 - (void) webView:(WebView *)view didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 262     [[self delegate] webView:view didReceiveTitle:title forFrame:frame];
 263     if ([super respondsToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 264         [super webView:view didReceiveTitle:title forFrame:frame];
 265 }
 266
 267 - (void) webView:(WebView *)view didStartProvisionalLoadForFrame:(WebFrame *)frame {
 268     [[self delegate] webView:view didStartProvisionalLoadForFrame:frame];
 269     if ([super respondsToSelector:@selector(webView:didStartProvisionalLoadForFrame:)])
 270         [super webView:view didStartProvisionalLoadForFrame:frame];
 271 }
 272
 273 - (NSURLRequest *) webView:(WebView *)view resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
 274     if ([super respondsToSelector:@selector(webView:resource:willSendRequest:redirectResponse:)])
 275         request = [super webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 276     return [[self delegate] webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 277 }
 278
 279 - (void) webView:(WebView *)view runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 280     if ([super respondsToSelector:@selector(webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame:)])
 281         if ([[self delegate] webView:view shouldRunJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame])
 282             [super webView:view runJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame];
 283 }
 284
 285 - (BOOL) webView:(WebView *)view runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 286     if ([super respondsToSelector:@selector(webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame:)])
 287         if ([[self delegate] webView:view shouldRunJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame])
 288             return [super webView:view runJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame];
 289     return NO;
 290 }
 291
 292 - (NSString *) webView:(WebView *)view runJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)text initiatedByFrame:(WebFrame *)frame {
 293     if ([super respondsToSelector:@selector(webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:)])
 294         if ([[self delegate] webView:view shouldRunJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame])
 295             return [super webView:view runJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame];
 296     return nil;
 297 }
 298
 299 - (void) webViewClose:(WebView *)view {
 300     [[self delegate] webViewClose:view];
 301     if ([super respondsToSelector:@selector(webViewClose:)])
 302         [super webViewClose:view];
 303 }
 304
 305 @end
 306
 307 #define ShowInternals 0
 308 #define LogBrowser 1
 309
 310 #define lprintf(args...) fprintf(stderr, args)
 311
 312 @implementation BrowserController
 313
 314 #if ShowInternals
 315 #include "UICaboodle/UCInternal.h"
 316 #endif
 317
 318 + (void) _initialize {
 319     [WebPreferences _setInitialDefaultTextEncodingToSystemEncoding];
 320
 321     if (float *_UIScrollViewDecelerationRateNormal = reinterpret_cast<float *>(dlsym(RTLD_DEFAULT, "UIScrollViewDecelerationRateNormal")))
 322         CYScrollViewDecelerationRateNormal = *_UIScrollViewDecelerationRateNormal;
 323     else // XXX: this actually might be fast on some older systems: we should look into this
 324         CYScrollViewDecelerationRateNormal = 0.998;
 325 }
 326
 327 - (void) dealloc {
 328 #if LogBrowser
 329     NSLog(@"[BrowserController dealloc]");
 330 #endif
 331
 332     [webview_ setDelegate:nil];
 333
 334     [indirect_ setDelegate:nil];
 335     [indirect_ release];
 336
 337     if (challenge_ != nil)
 338         [challenge_ release];
 339
 340     //NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
 341
 342     if (custom_ != nil)
 343         [custom_ release];
 344     if (style_ != nil)
 345         [style_ release];
 346
 347     if (function_ != nil)
 348         [function_ release];
 349     if (closer_ != nil)
 350         [closer_ release];
 351
 352     if (sensitive_ != nil)
 353         [sensitive_ release];
 354     if (title_ != nil)
 355         [title_ release];
 356
 357     [reloaditem_ release];
 358     [loadingitem_ release];
 359
 360     [indicator_ release];
 361
 362     [super dealloc];
 363 }
 364
 365 - (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
 366     [self loadRequest:[NSURLRequest
 367         requestWithURL:url
 368         cachePolicy:policy
 369         timeoutInterval:120.0
 370     ]];
 371 }
 372
 373 - (void) loadURL:(NSURL *)url {
 374     [self loadURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy];
 375 }
 376
 377 - (void) loadRequest:(NSURLRequest *)request {
 378     error_ = false;
 379
 380     WebThreadLock();
 381     [webview_ loadRequest:request];
 382     WebThreadUnlock();
 383 }
 384
 385 - (void) reloadURL {
 386     if (request_ == nil)
 387         return;
 388
 389     if ([request_ HTTPBody] == nil && [request_ HTTPBodyStream] == nil)
 390         [self loadRequest:request_];
 391     else {
 392         UIAlertView *alert = [[[UIAlertView alloc]
 393             initWithTitle:UCLocalize("RESUBMIT_FORM")
 394             message:nil
 395             delegate:self
 396             cancelButtonTitle:UCLocalize("CANCEL")
 397             otherButtonTitles:UCLocalize("SUBMIT"), nil
 398         ] autorelease];
 399
 400         [alert setContext:@"submit"];
 401         [alert show];
 402     }
 403 }
 404
 405 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 406     if (custom_ != nil)
 407         [custom_ autorelease];
 408     custom_ = button == nil ? nil : [[UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:button]]] retain];
 409
 410     if (style_ != nil)
 411         [style_ autorelease];
 412     style_ = style == nil ? nil : [style retain];
 413
 414     if (function_ != nil)
 415         [function_ autorelease];
 416     function_ = function == nil ? nil : [function retain];
 417
 418     [self applyRightButton];
 419 }
 420
 421 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 422     if (custom_ != nil)
 423         [custom_ autorelease];
 424     custom_ = button == nil ? nil : [button retain];
 425
 426     if (style_ != nil)
 427         [style_ autorelease];
 428     style_ = style == nil ? nil : [style retain];
 429
 430     if (function_ != nil)
 431         [function_ autorelease];
 432     function_ = function == nil ? nil : [function retain];
 433
 434     [self applyRightButton];
 435 }
 436
 437 - (void) setPopupHook:(id)function {
 438     if (closer_ != nil)
 439         [closer_ autorelease];
 440     closer_ = function == nil ? nil : [function retain];
 441 }
 442
 443 - (void) setViewportWidth:(float)width {
 444     width_ = width != 0 ? width : [[self class] defaultWidth];
 445     [[webview_ _documentView] setViewportSize:CGSizeMake(width_, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x10];
 446 }
 447
 448 - (void) _openMailToURL:(NSURL *)url {
 449     [[UIApplication sharedApplication] openURL:url];// asPanel:YES];
 450 }
 451
 452 - (bool) _allowJavaScriptPanel {
 453     return true;
 454 }
 455
 456 - (void) _didFailWithError:(NSError *)error forFrame:(WebFrame *)frame {
 457     [loading_ removeObject:[NSValue valueWithNonretainedObject:frame]];
 458     [self _didFinishLoading];
 459
 460     if ([error code] == NSURLErrorCancelled)
 461         return;
 462
 463     if ([frame parentFrame] == nil) {
 464         [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@?%@",
 465             [[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"error" ofType:@"html"]] absoluteString],
 466             [[error localizedDescription] stringByAddingPercentEscapes]
 467         ]]];
 468
 469         error_ = true;
 470     }
 471 }
 472
 473 // CYWebViewDelegate {{{
 474 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 475 #if LogBrowser
 476     NSLog(@"decidePolicyForNavigationAction:%@ request:%@ frame:%@", action, request, frame);
 477 #endif
 478
 479     if (!error_ && [frame parentFrame] == nil) {
 480         if (request_ != nil)
 481             [request_ autorelease];
 482         if (request == nil)
 483             request_ = nil;
 484         else
 485             request_ = [request retain];
 486     }
 487 }
 488
 489 - (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 490 #if LogBrowser
 491     NSLog(@"decidePolicyForNewWindowAction:%@ request:%@ newFrameName:%@", action, request, frame);
 492 #endif
 493
 494     NSURL *url([request URL]);
 495     if (url == nil)
 496         return;
 497
 498     if ([frame isEqualToString:@"_open"])
 499         [delegate_ openURL:url];
 500
 501     NSString *scheme([[url scheme] lowercaseString]);
 502     if ([scheme isEqualToString:@"mailto"])
 503         [self _openMailToURL:url];
 504
 505     CYViewController *page([delegate_ pageForURL:url hasTag:NULL]);
 506
 507     if (page == nil) {
 508         BrowserController *browser([[[class_ alloc] init] autorelease]);
 509         [browser loadRequest:request];
 510         page = browser;
 511     }
 512
 513     [page setDelegate:delegate_];
 514
 515     if (![frame isEqualToString:@"_popup"]) {
 516         [[self navigationItem] setTitle:title_];
 517
 518         [[self navigationController] pushViewController:page animated:YES];
 519     } else {
 520         UCNavigationController *navigation([[[UCNavigationController alloc] init] autorelease]);
 521
 522         [navigation setHook:indirect_];
 523         [navigation setDelegate:delegate_];
 524
 525         [navigation setViewControllers:[NSArray arrayWithObject:page]];
 526
 527         [[page navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
 528             initWithTitle:UCLocalize("CLOSE")
 529             style:UIBarButtonItemStylePlain
 530             target:page
 531             action:@selector(close)
 532         ] autorelease]];
 533
 534         [[self navigationController] presentModalViewController:navigation animated:YES];
 535     }
 536
 537     [listener ignore];
 538 }
 539
 540 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 541 }
 542
 543 - (void) webView:(WebView *)view didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 544 #if LogBrowser
 545     NSLog(@"didFailLoadWithError:%@ forFrame:%@", error, frame);
 546 #endif
 547
 548     [self _didFailWithError:error forFrame:frame];
 549 }
 550
 551 - (void) webView:(WebView *)view didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 552 #if LogBrowser
 553     NSLog(@"didFailProvisionalLoadWithError:%@ forFrame:%@", error, frame);
 554 #endif
 555
 556     [self _didFailWithError:error forFrame:frame];
 557 }
 558
 559 - (void) webView:(WebView *)view didFinishLoadForFrame:(WebFrame *)frame {
 560     [loading_ removeObject:[NSValue valueWithNonretainedObject:frame]];
 561
 562     if ([frame parentFrame] == nil) {
 563         if (DOMDocument *document = [frame DOMDocument])
 564             if (DOMNodeList<NSFastEnumeration> *bodies = [document getElementsByTagName:@"body"])
 565                 for (DOMHTMLBodyElement *body in (id) bodies) {
 566                     DOMCSSStyleDeclaration *style([document getComputedStyle:body pseudoElement:nil]);
 567
 568                     bool colored(false);
 569
 570                     if (DOMCSSPrimitiveValue *color = static_cast<DOMCSSPrimitiveValue *>([style getPropertyCSSValue:@"background-color"])) {
 571                         if ([color primitiveType] == DOM_CSS_RGBCOLOR) {
 572                             DOMRGBColor *rgb([color getRGBColorValue]);
 573
 574                             float red([[rgb red] getFloatValue:DOM_CSS_NUMBER]);
 575                             float green([[rgb green] getFloatValue:DOM_CSS_NUMBER]);
 576                             float blue([[rgb blue] getFloatValue:DOM_CSS_NUMBER]);
 577                             float alpha([[rgb alpha] getFloatValue:DOM_CSS_NUMBER]);
 578
 579                             UIColor *uic(nil);
 580
 581                             if (red == 0xc7 && green == 0xce && blue == 0xd5)
 582                                 uic = [UIColor groupTableViewBackgroundColor];
 583                             else if (alpha != 0)
 584                                 uic = [UIColor
 585                                     colorWithRed:(red / 255)
 586                                     green:(green / 255)
 587                                     blue:(blue / 255)
 588                                     alpha:alpha
 589                                 ];
 590
 591                             if (uic != nil) {
 592                                 colored = true;
 593                                 [scroller_ setBackgroundColor:uic];
 594                             }
 595                         }
 596                     }
 597
 598                     if (!colored)
 599                         [scroller_ setBackgroundColor:[UIColor groupTableViewBackgroundColor]];
 600                     break;
 601                 }
 602     }
 603
 604     [self _didFinishLoading];
 605 }
 606
 607 - (void) webView:(WebView *)view didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 608     if ([frame parentFrame] != nil)
 609         return;
 610
 611     title_ = [title retain];
 612     [[self navigationItem] setTitle:title_];
 613 }
 614
 615 - (void) webView:(WebView *)view didStartProvisionalLoadForFrame:(WebFrame *)frame {
 616     [loading_ addObject:[NSValue valueWithNonretainedObject:frame]];
 617
 618     if ([frame parentFrame] == nil) {
 619         CYRelease(title_);
 620         CYRelease(custom_);
 621         CYRelease(style_);
 622         CYRelease(function_);
 623         CYRelease(closer_);
 624
 625         // XXX: do we still need to do this?
 626         [[self navigationItem] setTitle:nil];
 627     }
 628
 629     [self _didStartLoading];
 630 }
 631
 632 - (NSURLRequest *) webView:(WebView *)view resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
 633     return request;
 634 }
 635
 636 - (bool) webView:(WebView *)view shouldRunJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 637     return [self _allowJavaScriptPanel];
 638 }
 639
 640 - (bool) webView:(WebView *)view shouldRunJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 641     return [self _allowJavaScriptPanel];
 642 }
 643
 644 - (bool) webView:(WebView *)view shouldRunJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)text initiatedByFrame:(WebFrame *)frame {
 645     return [self _allowJavaScriptPanel];
 646 }
 647
 648 - (void) webViewClose:(WebView *)view {
 649     [self close];
 650 }
 651 // }}}
 652
 653 - (void) close {
 654     [[self navigationController] dismissModalViewControllerAnimated:YES];
 655 }
 656
 657 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
 658     NSString *context([alert context]);
 659
 660     if ([context isEqualToString:@"sensitive"]) {
 661         switch (button) {
 662             case 1:
 663                 sensitive_ = [NSNumber numberWithBool:YES];
 664             break;
 665
 666             case 2:
 667                 sensitive_ = [NSNumber numberWithBool:NO];
 668             break;
 669         }
 670
 671         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 672     } else if ([context isEqualToString:@"challenge"]) {
 673         id<NSURLAuthenticationChallengeSender> sender([challenge_ sender]);
 674
 675         switch (button) {
 676             case 1: {
 677                 NSString *username([[alert textFieldAtIndex:0] text]);
 678                 NSString *password([[alert textFieldAtIndex:1] text]);
 679
 680                 NSURLCredential *credential([NSURLCredential credentialWithUser:username password:password persistence:NSURLCredentialPersistenceForSession]);
 681
 682                 [sender useCredential:credential forAuthenticationChallenge:challenge_];
 683             } break;
 684
 685             case 2:
 686                 [sender cancelAuthenticationChallenge:challenge_];
 687             break;
 688
 689             _nodefault
 690         }
 691
 692         [challenge_ release];
 693         challenge_ = nil;
 694
 695         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 696     } else if ([context isEqualToString:@"submit"]) {
 697         switch (button) {
 698             case 1:
 699             break;
 700
 701             case 2:
 702                 if (request_ != nil) {
 703                     WebThreadLock();
 704                     [webview_ loadRequest:request_];
 705                     WebThreadUnlock();
 706                 }
 707             break;
 708
 709             _nodefault
 710         }
 711
 712         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 713     }
 714 }
 715
 716 - (UIBarButtonItemStyle) rightButtonStyle {
 717     if (style_ == nil) normal:
 718         return UIBarButtonItemStylePlain;
 719     else if ([style_ isEqualToString:@"Normal"])
 720         return UIBarButtonItemStylePlain;
 721     else if ([style_ isEqualToString:@"Highlighted"])
 722         return UIBarButtonItemStyleDone;
 723     else goto normal;
 724 }
 725
 726 - (UIBarButtonItem *) customButton {
 727     return [[[UIBarButtonItem alloc]
 728         initWithTitle:custom_
 729         style:[self rightButtonStyle]
 730         target:self
 731         action:@selector(customButtonClicked)
 732     ] autorelease];
 733 }
 734
 735 - (UIBarButtonItem *) rightButton {
 736     return reloaditem_;
 737 }
 738
 739 - (void) applyLoadingTitle {
 740     [[self navigationItem] setTitle:UCLocalize("LOADING")];
 741 }
 742
 743 - (void) applyRightButton {
 744     if ([self isLoading]) {
 745         [[self navigationItem] setRightBarButtonItem:loadingitem_ animated:YES];
 746         // XXX: why do we do this again here?
 747         [[loadingitem_ view] addSubview:indicator_];
 748         [self applyLoadingTitle];
 749     } else if (custom_ != nil) {
 750         [[self navigationItem] setRightBarButtonItem:[self customButton] animated:YES];
 751     } else {
 752         [[self navigationItem] setRightBarButtonItem:[self rightButton] animated:YES];
 753     }
 754 }
 755
 756 - (void) _didStartLoading {
 757     [self applyRightButton];
 758 }
 759
 760 - (void) _didFinishLoading {
 761     if ([loading_ count] != 0)
 762         return;
 763
 764     [self applyRightButton];
 765
 766     // XXX: wtf?
 767     if (![self isLoading])
 768         [[self navigationItem] setTitle:title_];
 769 }
 770
 771 - (bool) isLoading {
 772     return [loading_ count] != 0;
 773 }
 774
 775 - (id) initWithWidth:(float)width ofClass:(Class)_class {
 776     if ((self = [super init]) != nil) {
 777         class_ = _class;
 778         loading_ = [[NSMutableSet alloc] initWithCapacity:5];
 779
 780         indirect_ = [[IndirectDelegate alloc] initWithDelegate:self];
 781
 782         webview_ = [[[CYWebView alloc] initWithFrame:[[self view] bounds]] autorelease];
 783         [webview_ setDelegate:self];
 784         [self setView:webview_];
 785
 786         if ([webview_ respondsToSelector:@selector(setDataDetectorTypes:)])
 787             [webview_ setDataDetectorTypes:UIDataDetectorTypeAutomatic];
 788         else
 789             [webview_ setDetectsPhoneNumbers:NO];
 790
 791         [webview_ setScalesPageToFit:YES];
 792
 793         UIWebDocumentView *document([webview_ _documentView]);
 794
 795         // XXX: I think this improves scrolling; the hardcoded-ness sucks
 796         [document setTileSize:CGSizeMake(320, 500)];
 797
 798         [document setBackgroundColor:[UIColor clearColor]];
 799         [document setDrawsBackground:NO];
 800
 801         WebView *webview([document webView]);
 802         WebPreferences *preferences([webview preferences]);
 803
 804         // XXX: I have no clue if I actually /want/ this modification
 805         if ([webview respondsToSelector:@selector(_setLayoutInterval:)])
 806             [webview _setLayoutInterval:0];
 807         else if ([preferences respondsToSelector:@selector(_setLayoutInterval:)])
 808             [preferences _setLayoutInterval:0];
 809
 810         [preferences setCacheModel:WebCacheModelDocumentBrowser];
 811         [preferences setOfflineWebApplicationCacheEnabled:YES];
 812
 813         if ([webview_ respondsToSelector:@selector(_scrollView)]) {
 814             scroller_ = [webview_ _scrollView];
 815
 816             [scroller_ setDirectionalLockEnabled:YES];
 817             [scroller_ setDecelerationRate:CYScrollViewDecelerationRateNormal];
 818             [scroller_ setDelaysContentTouches:NO];
 819
 820             [scroller_ setCanCancelContentTouches:YES];
 821         } else if ([webview_ respondsToSelector:@selector(_scroller)]) {
 822             UIScroller *scroller([webview_ _scroller]);
 823             scroller_ = (UIScrollView *) scroller;
 824
 825             [scroller setDirectionalScrolling:YES];
 826             // XXX: we might be better off /not/ setting this on older systems
 827             [scroller setScrollDecelerationFactor:CYScrollViewDecelerationRateNormal]; /* 0.989324 */
 828             [scroller setScrollHysteresis:0]; /* 8 */
 829
 830             [scroller setThumbDetectionEnabled:NO];
 831
 832             // use NO with UIApplicationUseLegacyEvents(YES)
 833             [scroller setEventMode:YES];
 834
 835             // XXX: this is handled by setBounces, right?
 836             //[scroller setAllowsRubberBanding:YES];
 837         }
 838
 839         [scroller_ setFixedBackgroundPattern:YES];
 840         [scroller_ setBackgroundColor:[UIColor groupTableViewBackgroundColor]];
 841         [scroller_ setClipsSubviews:YES];
 842
 843         [scroller_ setBounces:YES];
 844         [scroller_ setScrollingEnabled:YES];
 845         [scroller_ setShowBackgroundShadow:NO];
 846
 847         [self setViewportWidth:width];
 848
 849         reloaditem_ = [[UIBarButtonItem alloc]
 850             initWithTitle:UCLocalize("RELOAD")
 851             style:[self rightButtonStyle]
 852             target:self
 853             action:@selector(reloadButtonClicked)
 854         ];
 855
 856         loadingitem_ = [[UIBarButtonItem alloc]
 857             initWithTitle:@" "
 858             style:UIBarButtonItemStylePlain
 859             target:self
 860             action:@selector(reloadButtonClicked)
 861         ];
 862
 863         CGSize indsize = [UIProgressIndicator defaultSizeForStyle:UIProgressIndicatorStyleMediumWhite];
 864         indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectMake(15, 5, indsize.width, indsize.height)];
 865         [indicator_ setStyle:UIProgressIndicatorStyleMediumWhite];
 866         [indicator_ startAnimation];
 867         [[loadingitem_ view] addSubview:indicator_];
 868
 869         [webview_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
 870         [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
 871     } return self;
 872 }
 873
 874 - (id) initWithWidth:(float)width {
 875     return [self initWithWidth:width ofClass:[self class]];
 876 }
 877
 878 - (id) init {
 879     return [self initWithWidth:0];
 880 }
 881
 882 - (void) didDismissModalViewController {
 883     if (closer_ != nil)
 884         [self callFunction:closer_];
 885 }
 886
 887 - (void) callFunction:(WebScriptObject *)function {
 888     WebThreadLock();
 889
 890     WebView *webview([[webview_ _documentView] webView]);
 891     WebFrame *frame([webview mainFrame]);
 892     WebPreferences *preferences([webview preferences]);
 893
 894     bool maybe([preferences javaScriptCanOpenWindowsAutomatically]);
 895     [preferences setJavaScriptCanOpenWindowsAutomatically:NO];
 896
 897     /*id _private(MSHookIvar<id>(webview, "_private"));
 898     WebCore::Page *page(_private == nil ? NULL : MSHookIvar<WebCore::Page *>(_private, "page"));
 899     WebCore::Settings *settings(page == NULL ? NULL : page->settings());
 900
 901     bool no;
 902     if (settings == NULL)
 903         no = 0;
 904     else {
 905         no = settings->JavaScriptCanOpenWindowsAutomatically();
 906         settings->setJavaScriptCanOpenWindowsAutomatically(true);
 907     }*/
 908
 909     if (UIWindow *window = [[self view] window])
 910         if (UIResponder *responder = [window firstResponder])
 911             [responder resignFirstResponder];
 912
 913     JSObjectRef object([function JSObject]);
 914     JSGlobalContextRef context([frame globalContext]);
 915     JSObjectCallAsFunction(context, object, NULL, 0, NULL, NULL);
 916
 917     /*if (settings != NULL)
 918         settings->setJavaScriptCanOpenWindowsAutomatically(no);*/
 919
 920     [preferences setJavaScriptCanOpenWindowsAutomatically:maybe];
 921
 922     WebThreadUnlock();
 923 }
 924
 925 - (void) reloadButtonClicked {
 926     [self reloadURL];
 927 }
 928
 929 - (void) _customButtonClicked {
 930     [self reloadButtonClicked];
 931 }
 932
 933 - (void) customButtonClicked {
 934 #if !AlwaysReload
 935     if (function_ != nil)
 936         [self callFunction:function_];
 937     else
 938 #endif
 939     [self _customButtonClicked];
 940 }
 941
 942 + (float) defaultWidth {
 943     return 980;
 944 }
 945
 946 @end