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             NSLog(@"CYWebPolicyDecisionUnknown");
 173             return false;
 174
 175         case CYWebPolicyDecisionDownload: [listener_ download]; break;
 176         case CYWebPolicyDecisionIgnore: [listener_ ignore]; break;
 177         case CYWebPolicyDecisionUse: [listener_ use]; break;
 178     }
 179
 180     return true;
 181 }
 182
 183 - (void) download {
 184     decision_ = CYWebPolicyDecisionDownload;
 185 }
 186
 187 - (void) ignore {
 188     decision_ = CYWebPolicyDecisionIgnore;
 189 }
 190
 191 - (void) use {
 192     decision_ = CYWebPolicyDecisionUse;
 193 }
 194
 195 @end
 196 // }}}
 197
 198 @implementation CYWebView : UIWebView
 199
 200 - (id) initWithFrame:(CGRect)frame {
 201     if ((self = [super initWithFrame:frame]) != nil) {
 202     } return self;
 203 }
 204
 205 - (void) dealloc {
 206     [super dealloc];
 207 }
 208
 209 - (id<CYWebViewDelegate>) delegate {
 210     return (id<CYWebViewDelegate>) [super delegate];
 211 }
 212
 213 /*- (WebView *) webView:(WebView *)view createWebViewWithRequest:(NSURLRequest *)request {
 214     id<CYWebViewDelegate> delegate([self delegate]);
 215     WebView *created(nil);
 216     if (created == nil && [delegate respondsToSelector:@selector(webView:createWebViewWithRequest:)])
 217         created = [delegate webView:view createWebViewWithRequest:request];
 218     if (created == nil && [UIWebView instancesRespondToSelector:@selector(webView:createWebViewWithRequest:)])
 219         created = [super webView:view createWebViewWithRequest:request];
 220     return created;
 221 }*/
 222
 223 // webView:decidePolicyForNavigationAction:request:frame:decisionListener: (2.0+) {{{
 224 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 225     id<CYWebViewDelegate> delegate([self delegate]);
 226     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 227     if (![mediator decided] && [delegate respondsToSelector:@selector(webView:decidePolicyForNavigationAction:request:frame:decisionListener:)])
 228         [delegate webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 229     if (![mediator decided] && [UIWebView instancesRespondToSelector:@selector(webView:decidePolicyForNavigationAction:request:frame:decisionListener:)])
 230         [super webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 231     [mediator decide];
 232 }
 233 // }}}
 234 // webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener: (3.0+) {{{
 235 static void $UIWebViewWebViewDelegate$webView$decidePolicyForNewWindowAction$request$newFrameName$decisionListener$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSDictionary *action, NSURLRequest *request, NSString *frame, id<WebPolicyDecisionListener> listener) {
 236     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 237     if ([uiWebView respondsToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 238         [uiWebView webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:listener];
 239 }
 240
 241 - (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 242     id<CYWebViewDelegate> delegate([self delegate]);
 243     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 244     if (![mediator decided] && [delegate respondsToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 245         [delegate webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 246     if (![mediator decided] && [UIWebView instancesRespondToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 247         [super webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 248     [mediator decide];
 249 }
 250 // }}}
 251 // webView:didClearWindowObject:forFrame: (3.2+) {{{
 252 static void $UIWebViewWebViewDelegate$webView$didClearWindowObject$forFrame$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, WebScriptObject *window, WebFrame *frame) {
 253     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 254     if ([uiWebView respondsToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 255         [uiWebView webView:view didClearWindowObject:window forFrame:frame];
 256 }
 257
 258 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 259     id<CYWebViewDelegate> delegate([self delegate]);
 260     if ([delegate respondsToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 261         [delegate webView:view didClearWindowObject:window forFrame:frame];
 262     if ([UIWebView instancesRespondToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 263         [super webView:view didClearWindowObject:window forFrame:frame];
 264 }
 265 // }}}
 266 // webView:didFailLoadWithError:forFrame: (2.0+) {{{
 267 - (void) webView:(WebView *)view didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 268     id<CYWebViewDelegate> delegate([self delegate]);
 269     if ([delegate respondsToSelector:@selector(webView:didFailLoadWithError:forFrame:)])
 270         [delegate webView:view didFailLoadWithError:error forFrame:frame];
 271     if ([UIWebView instancesRespondToSelector:@selector(webView:didFailLoadWithError:forFrame:)])
 272         [super webView:view didFailLoadWithError:error forFrame:frame];
 273 }
 274 // }}}
 275 // webView:didFailProvisionalLoadWithError:forFrame: (2.0+) {{{
 276 - (void) webView:(WebView *)view didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 277     id<CYWebViewDelegate> delegate([self delegate]);
 278     if ([delegate respondsToSelector:@selector(webView:didFailProvisionalLoadWithError:forFrame:)])
 279         [delegate webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 280     if ([UIWebView instancesRespondToSelector:@selector(webView:didFailProvisionalLoadWithError:forFrame:)])
 281         [super webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 282 }
 283 // }}}
 284 // webView:didFinishLoadForFrame: (2.0+) {{{
 285 - (void) webView:(WebView *)view didFinishLoadForFrame:(WebFrame *)frame {
 286     id<CYWebViewDelegate> delegate([self delegate]);
 287     if ([delegate respondsToSelector:@selector(webView:didFinishLoadForFrame:)])
 288         [delegate webView:view didFinishLoadForFrame:frame];
 289     if ([UIWebView instancesRespondToSelector:@selector(webView:didFinishLoadForFrame:)])
 290         [super webView:view didFinishLoadForFrame:frame];
 291 }
 292 // }}}
 293 // webView:didReceiveTitle:forFrame: (3.2+) {{{
 294 static void $UIWebViewWebViewDelegate$webView$didReceiveTitle$forFrame$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSString *title, WebFrame *frame) {
 295     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 296     if ([uiWebView respondsToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 297         [uiWebView webView:view didReceiveTitle:title forFrame:frame];
 298 }
 299
 300 - (void) webView:(WebView *)view didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 301     id<CYWebViewDelegate> delegate([self delegate]);
 302     if ([delegate respondsToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 303         [delegate webView:view didReceiveTitle:title forFrame:frame];
 304     if ([UIWebView instancesRespondToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 305         [super webView:view didReceiveTitle:title forFrame:frame];
 306 }
 307 // }}}
 308 // webView:didStartProvisionalLoadForFrame: (2.0+) {{{
 309 - (void) webView:(WebView *)view didStartProvisionalLoadForFrame:(WebFrame *)frame {
 310     id<CYWebViewDelegate> delegate([self delegate]);
 311     if ([delegate respondsToSelector:@selector(webView:didStartProvisionalLoadForFrame:)])
 312         [delegate webView:view didStartProvisionalLoadForFrame:frame];
 313     if ([UIWebView instancesRespondToSelector:@selector(webView:didStartProvisionalLoadForFrame:)])
 314         [super webView:view didStartProvisionalLoadForFrame:frame];
 315 }
 316 // }}}
 317 // webView:resource:willSendRequest:redirectResponse:fromDataSource: (3.2+) {{{
 318 static NSURLRequest *$UIWebViewWebViewDelegate$webView$resource$willSendRequest$redirectResponse$fromDataSource$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, id identifier, NSURLRequest *request, NSURLResponse *response, WebDataSource *source) {
 319     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 320     if ([uiWebView respondsToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 321         request = [uiWebView webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 322     return request;
 323 }
 324
 325 - (NSURLRequest *) webView:(WebView *)view resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
 326     id<CYWebViewDelegate> delegate([self delegate]);
 327     if ([UIWebView instancesRespondToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 328         request = [super webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 329     if ([delegate respondsToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 330         request = [delegate webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 331     return request;
 332 }
 333 // }}}
 334 // webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame: (2.1+) {{{
 335 - (void) webView:(WebView *)view runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 336     id<CYWebViewDelegate> delegate([self delegate]);
 337     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame:)])
 338         // XXX: check delegate
 339         if ([delegate webView:view shouldRunJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame])
 340             [super webView:view runJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame];
 341 }
 342 // }}}
 343 // webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame: (2.1+) {{{
 344 - (BOOL) webView:(WebView *)view runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 345     id<CYWebViewDelegate> delegate([self delegate]);
 346     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame:)])
 347         // XXX: check delegate
 348         if ([delegate webView:view shouldRunJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame])
 349             return [super webView:view runJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame];
 350     return NO;
 351 }
 352 // }}}
 353 // webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame: (2.1+) {{{
 354 - (NSString *) webView:(WebView *)view runJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)text initiatedByFrame:(WebFrame *)frame {
 355     id<CYWebViewDelegate> delegate([self delegate]);
 356     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:)])
 357         // XXX: check delegate
 358         if ([delegate webView:view shouldRunJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame])
 359             return [super webView:view runJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame];
 360     return nil;
 361 }
 362 // }}}
 363 // webViewClose: (3.2+) {{{
 364 static void $UIWebViewWebViewDelegate$webViewClose$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view) {
 365     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 366     if ([uiWebView respondsToSelector:@selector(webViewClose:)])
 367         [uiWebView webViewClose:view];
 368 }
 369
 370 - (void) webViewClose:(WebView *)view {
 371     id<CYWebViewDelegate> delegate([self delegate]);
 372     if ([delegate respondsToSelector:@selector(webViewClose:)])
 373         [delegate webViewClose:view];
 374     if ([UIWebView instancesRespondToSelector:@selector(webViewClose:)])
 375         [super webViewClose:view];
 376 }
 377 // }}}
 378
 379 + (void) initialize {
 380     if (Class $UIWebViewWebViewDelegate = objc_getClass("UIWebViewWebViewDelegate")) {
 381         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:), (IMP) &$UIWebViewWebViewDelegate$webView$decidePolicyForNewWindowAction$request$newFrameName$decisionListener$, "v28@0:4@8@12@16@20@24");
 382         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didClearWindowObject:forFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didClearWindowObject$forFrame$, "v20@0:4@8@12@16");
 383         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didReceiveTitle:forFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didReceiveTitle$forFrame$, "v20@0:4@8@12@16");
 384         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:), (IMP) &$UIWebViewWebViewDelegate$webView$resource$willSendRequest$redirectResponse$fromDataSource$, "@28@0:4@8@12@16@20@24");
 385         class_addMethod($UIWebViewWebViewDelegate, @selector(webViewClose:), (IMP) &$UIWebViewWebViewDelegate$webViewClose$, "v12@0:4@8");
 386     }
 387 }
 388
 389 @end
 390
 391 #define ShowInternals 0
 392 #define LogBrowser 0
 393
 394 #define lprintf(args...) fprintf(stderr, args)
 395
 396 @implementation BrowserController
 397
 398 #if ShowInternals
 399 #include "UICaboodle/UCInternal.h"
 400 #endif
 401
 402 + (void) _initialize {
 403     [WebPreferences _setInitialDefaultTextEncodingToSystemEncoding];
 404
 405     if (float *_UIScrollViewDecelerationRateNormal = reinterpret_cast<float *>(dlsym(RTLD_DEFAULT, "UIScrollViewDecelerationRateNormal")))
 406         CYScrollViewDecelerationRateNormal = *_UIScrollViewDecelerationRateNormal;
 407     else // XXX: this actually might be fast on some older systems: we should look into this
 408         CYScrollViewDecelerationRateNormal = 0.998;
 409 }
 410
 411 - (void) dealloc {
 412 #if LogBrowser
 413     NSLog(@"[BrowserController dealloc]");
 414 #endif
 415
 416     [webview_ setDelegate:nil];
 417
 418     [indirect_ setDelegate:nil];
 419     [indirect_ release];
 420
 421     if (challenge_ != nil)
 422         [challenge_ release];
 423
 424     if (request_ != nil)
 425         [request_ release];
 426
 427     //NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
 428
 429     if (custom_ != nil)
 430         [custom_ release];
 431     if (style_ != nil)
 432         [style_ release];
 433
 434     if (function_ != nil)
 435         [function_ release];
 436     if (closer_ != nil)
 437         [closer_ release];
 438
 439     if (title_ != nil)
 440         [title_ release];
 441
 442     [loading_ release];
 443
 444     [reloaditem_ release];
 445     [loadingitem_ release];
 446
 447     [indicator_ release];
 448
 449     [super dealloc];
 450 }
 451
 452 - (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
 453     [self loadRequest:[NSURLRequest
 454         requestWithURL:url
 455         cachePolicy:policy
 456         timeoutInterval:120.0
 457     ]];
 458 }
 459
 460 - (void) loadURL:(NSURL *)url {
 461     [self loadURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy];
 462 }
 463
 464 - (void) loadRequest:(NSURLRequest *)request {
 465 #if LogBrowser
 466     NSLog(@"loadRequest:%@", request);
 467 #endif
 468
 469     error_ = false;
 470
 471     WebThreadLock();
 472     [webview_ loadRequest:request];
 473     WebThreadUnlock();
 474 }
 475
 476 - (void) reloadURL {
 477     if (request_ == nil)
 478         return;
 479
 480     if ([request_ HTTPBody] == nil && [request_ HTTPBodyStream] == nil)
 481         [self loadRequest:request_];
 482     else {
 483         UIAlertView *alert = [[[UIAlertView alloc]
 484             initWithTitle:UCLocalize("RESUBMIT_FORM")
 485             message:nil
 486             delegate:self
 487             cancelButtonTitle:UCLocalize("CANCEL")
 488             otherButtonTitles:UCLocalize("SUBMIT"), nil
 489         ] autorelease];
 490
 491         [alert setContext:@"submit"];
 492         [alert show];
 493     }
 494 }
 495
 496 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 497     if (custom_ != nil)
 498         [custom_ autorelease];
 499     if (button == nil)
 500         custom_ = nil;
 501     else
 502         custom_ = [[UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:button]]] retain];
 503
 504     if (style_ != nil)
 505         [style_ autorelease];
 506     if (style == nil)
 507         style_ = nil;
 508     else
 509         style_ = [style retain];
 510
 511     if (function_ != nil)
 512         [function_ autorelease];
 513     if (function == nil)
 514         function_ = nil;
 515     else
 516         function_ = [function retain];
 517
 518     [self applyRightButton];
 519 }
 520
 521 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 522     if (custom_ != nil)
 523         [custom_ autorelease];
 524     if (button == nil)
 525         custom_ = nil;
 526     else
 527         custom_ = [button retain];
 528
 529     if (style_ != nil)
 530         [style_ autorelease];
 531     if (style == nil)
 532         style_ = nil;
 533     else
 534         style_ = [style retain];
 535
 536     if (function_ != nil)
 537         [function_ autorelease];
 538     if (function == nil)
 539         function_ = nil;
 540     else
 541         function_ = [function retain];
 542
 543     [self applyRightButton];
 544 }
 545
 546 - (void) setPopupHook:(id)function {
 547     if (closer_ != nil)
 548         [closer_ autorelease];
 549     if (function == nil)
 550         closer_ = nil;
 551     else
 552         closer_ = [function retain];
 553 }
 554
 555 - (void) setViewportWidth:(float)width {
 556     width_ = width != 0 ? width : [[self class] defaultWidth];
 557     [[webview_ _documentView] setViewportSize:CGSizeMake(width_, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x10];
 558 }
 559
 560 - (void) _openMailToURL:(NSURL *)url {
 561     [[UIApplication sharedApplication] openURL:url];// asPanel:YES];
 562 }
 563
 564 - (bool) _allowJavaScriptPanel {
 565     return true;
 566 }
 567
 568 - (void) _didFailWithError:(NSError *)error forFrame:(WebFrame *)frame {
 569     [loading_ removeObject:[NSValue valueWithNonretainedObject:frame]];
 570     [self _didFinishLoading];
 571
 572     if ([error code] == NSURLErrorCancelled)
 573         return;
 574
 575     if ([frame parentFrame] == nil) {
 576         [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@?%@",
 577             [[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"error" ofType:@"html"]] absoluteString],
 578             [[error localizedDescription] stringByAddingPercentEscapes]
 579         ]]];
 580
 581         error_ = true;
 582     }
 583 }
 584
 585 // CYWebViewDelegate {{{
 586 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 587 #if LogBrowser
 588     NSLog(@"decidePolicyForNavigationAction:%@ request:%@ frame:%@", action, request, frame);
 589 #endif
 590
 591     if ([frame parentFrame] == nil) {
 592         if (!error_) {
 593             if (request_ != nil)
 594                 [request_ autorelease];
 595             if (request == nil)
 596                 request_ = nil;
 597             else
 598                 request_ = [request retain];
 599         }
 600     }
 601 }
 602
 603 - (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 604 #if LogBrowser
 605     NSLog(@"decidePolicyForNewWindowAction:%@ request:%@ newFrameName:%@", action, request, frame);
 606 #endif
 607
 608     NSURL *url([request URL]);
 609     if (url == nil)
 610         return;
 611
 612     if ([frame isEqualToString:@"_open"])
 613         [delegate_ openURL:url];
 614
 615     NSString *scheme([[url scheme] lowercaseString]);
 616     if ([scheme isEqualToString:@"mailto"])
 617         [self _openMailToURL:url];
 618
 619     CYViewController *page([delegate_ pageForURL:url hasTag:NULL]);
 620
 621     if (page == nil) {
 622         BrowserController *browser([[[class_ alloc] init] autorelease]);
 623         [browser loadRequest:request];
 624         page = browser;
 625     }
 626
 627     [page setDelegate:delegate_];
 628
 629     if (![frame isEqualToString:@"_popup"]) {
 630         [[self navigationItem] setTitle:title_];
 631
 632         [[self navigationController] pushViewController:page animated:YES];
 633     } else {
 634         UCNavigationController *navigation([[[UCNavigationController alloc] init] autorelease]);
 635
 636         [navigation setHook:indirect_];
 637         [navigation setDelegate:delegate_];
 638
 639         [navigation setViewControllers:[NSArray arrayWithObject:page]];
 640
 641         [[page navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
 642             initWithTitle:UCLocalize("CLOSE")
 643             style:UIBarButtonItemStylePlain
 644             target:page
 645             action:@selector(close)
 646         ] autorelease]];
 647
 648         [[self navigationController] presentModalViewController:navigation animated:YES];
 649     }
 650
 651     [listener ignore];
 652 }
 653
 654 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 655 }
 656
 657 - (void) webView:(WebView *)view didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 658 #if LogBrowser
 659     NSLog(@"didFailLoadWithError:%@ forFrame:%@", error, frame);
 660 #endif
 661
 662     [self _didFailWithError:error forFrame:frame];
 663 }
 664
 665 - (void) webView:(WebView *)view didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 666 #if LogBrowser
 667     NSLog(@"didFailProvisionalLoadWithError:%@ forFrame:%@", error, frame);
 668 #endif
 669
 670     [self _didFailWithError:error forFrame:frame];
 671 }
 672
 673 - (void) webView:(WebView *)view didFinishLoadForFrame:(WebFrame *)frame {
 674     [loading_ removeObject:[NSValue valueWithNonretainedObject:frame]];
 675
 676     if ([frame parentFrame] == nil) {
 677         if (DOMDocument *document = [frame DOMDocument])
 678             if (DOMNodeList<NSFastEnumeration> *bodies = [document getElementsByTagName:@"body"])
 679                 for (DOMHTMLBodyElement *body in (id) bodies) {
 680                     DOMCSSStyleDeclaration *style([document getComputedStyle:body pseudoElement:nil]);
 681
 682                     bool colored(false);
 683
 684                     if (DOMCSSPrimitiveValue *color = static_cast<DOMCSSPrimitiveValue *>([style getPropertyCSSValue:@"background-color"])) {
 685                         if ([color primitiveType] == DOM_CSS_RGBCOLOR) {
 686                             DOMRGBColor *rgb([color getRGBColorValue]);
 687
 688                             float red([[rgb red] getFloatValue:DOM_CSS_NUMBER]);
 689                             float green([[rgb green] getFloatValue:DOM_CSS_NUMBER]);
 690                             float blue([[rgb blue] getFloatValue:DOM_CSS_NUMBER]);
 691                             float alpha([[rgb alpha] getFloatValue:DOM_CSS_NUMBER]);
 692
 693                             UIColor *uic(nil);
 694
 695                             if (red == 0xc7 && green == 0xce && blue == 0xd5)
 696                                 uic = [UIColor groupTableViewBackgroundColor];
 697                             else if (alpha != 0)
 698                                 uic = [UIColor
 699                                     colorWithRed:(red / 255)
 700                                     green:(green / 255)
 701                                     blue:(blue / 255)
 702                                     alpha:alpha
 703                                 ];
 704
 705                             if (uic != nil) {
 706                                 colored = true;
 707                                 [scroller_ setBackgroundColor:uic];
 708                             }
 709                         }
 710                     }
 711
 712                     if (!colored)
 713                         [scroller_ setBackgroundColor:[UIColor groupTableViewBackgroundColor]];
 714                     break;
 715                 }
 716     }
 717
 718     [self _didFinishLoading];
 719 }
 720
 721 - (void) webView:(WebView *)view didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 722     if ([frame parentFrame] != nil)
 723         return;
 724
 725     if (title_ != nil)
 726         [title_ autorelease];
 727     title_ = [title retain];
 728
 729     [[self navigationItem] setTitle:title_];
 730 }
 731
 732 - (void) webView:(WebView *)view didStartProvisionalLoadForFrame:(WebFrame *)frame {
 733     [loading_ addObject:[NSValue valueWithNonretainedObject:frame]];
 734
 735     if ([frame parentFrame] == nil) {
 736         CYRelease(title_);
 737         CYRelease(custom_);
 738         CYRelease(style_);
 739         CYRelease(function_);
 740         CYRelease(closer_);
 741
 742         // XXX: do we still need to do this?
 743         [[self navigationItem] setTitle:nil];
 744     }
 745
 746     [self _didStartLoading];
 747 }
 748
 749 - (NSURLRequest *) webView:(WebView *)view resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
 750 #if LogBrowser
 751     NSLog(@"resource:%@ willSendRequest:%@ redirectResponse:%@ fromDataSource:%@", identifier, request, response, source);
 752 #endif
 753
 754     return request;
 755 }
 756
 757 - (bool) webView:(WebView *)view shouldRunJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 758     return [self _allowJavaScriptPanel];
 759 }
 760
 761 - (bool) webView:(WebView *)view shouldRunJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 762     return [self _allowJavaScriptPanel];
 763 }
 764
 765 - (bool) webView:(WebView *)view shouldRunJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)text initiatedByFrame:(WebFrame *)frame {
 766     return [self _allowJavaScriptPanel];
 767 }
 768
 769 - (void) webViewClose:(WebView *)view {
 770     [self close];
 771 }
 772 // }}}
 773
 774 - (void) close {
 775     [[self navigationController] dismissModalViewControllerAnimated:YES];
 776 }
 777
 778 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
 779     NSString *context([alert context]);
 780
 781     if ([context isEqualToString:@"sensitive"]) {
 782         switch (button) {
 783             case 1:
 784                 sensitive_ = [NSNumber numberWithBool:YES];
 785             break;
 786
 787             case 2:
 788                 sensitive_ = [NSNumber numberWithBool:NO];
 789             break;
 790         }
 791
 792         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 793     } else if ([context isEqualToString:@"challenge"]) {
 794         id<NSURLAuthenticationChallengeSender> sender([challenge_ sender]);
 795
 796         switch (button) {
 797             case 1: {
 798                 NSString *username([[alert textFieldAtIndex:0] text]);
 799                 NSString *password([[alert textFieldAtIndex:1] text]);
 800
 801                 NSURLCredential *credential([NSURLCredential credentialWithUser:username password:password persistence:NSURLCredentialPersistenceForSession]);
 802
 803                 [sender useCredential:credential forAuthenticationChallenge:challenge_];
 804             } break;
 805
 806             case 2:
 807                 [sender cancelAuthenticationChallenge:challenge_];
 808             break;
 809
 810             _nodefault
 811         }
 812
 813         [challenge_ release];
 814         challenge_ = nil;
 815
 816         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 817     } else if ([context isEqualToString:@"submit"]) {
 818         switch (button) {
 819             case 1:
 820             break;
 821
 822             case 2:
 823                 if (request_ != nil) {
 824                     WebThreadLock();
 825                     [webview_ loadRequest:request_];
 826                     WebThreadUnlock();
 827                 }
 828             break;
 829
 830             _nodefault
 831         }
 832
 833         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 834     }
 835 }
 836
 837 - (UIBarButtonItemStyle) rightButtonStyle {
 838     if (style_ == nil) normal:
 839         return UIBarButtonItemStylePlain;
 840     else if ([style_ isEqualToString:@"Normal"])
 841         return UIBarButtonItemStylePlain;
 842     else if ([style_ isEqualToString:@"Highlighted"])
 843         return UIBarButtonItemStyleDone;
 844     else goto normal;
 845 }
 846
 847 - (UIBarButtonItem *) customButton {
 848     return [[[UIBarButtonItem alloc]
 849         initWithTitle:custom_
 850         style:[self rightButtonStyle]
 851         target:self
 852         action:@selector(customButtonClicked)
 853     ] autorelease];
 854 }
 855
 856 - (UIBarButtonItem *) rightButton {
 857     return reloaditem_;
 858 }
 859
 860 - (void) applyLoadingTitle {
 861     [[self navigationItem] setTitle:UCLocalize("LOADING")];
 862 }
 863
 864 - (void) applyRightButton {
 865     if ([self isLoading]) {
 866         [[self navigationItem] setRightBarButtonItem:loadingitem_ animated:YES];
 867         // XXX: why do we do this again here? (if we don't, just remove indicator_)
 868         [[loadingitem_ view] addSubview:indicator_];
 869         [self applyLoadingTitle];
 870     } else if (custom_ != nil) {
 871         [[self navigationItem] setRightBarButtonItem:[self customButton] animated:YES];
 872     } else {
 873         [[self navigationItem] setRightBarButtonItem:[self rightButton] animated:YES];
 874     }
 875 }
 876
 877 - (void) _didStartLoading {
 878     [self applyRightButton];
 879 }
 880
 881 - (void) _didFinishLoading {
 882     if ([loading_ count] != 0)
 883         return;
 884
 885     [self applyRightButton];
 886
 887     // XXX: wtf?
 888     if (![self isLoading])
 889         [[self navigationItem] setTitle:title_];
 890 }
 891
 892 - (bool) isLoading {
 893     return [loading_ count] != 0;
 894 }
 895
 896 - (id) initWithWidth:(float)width ofClass:(Class)_class {
 897     if ((self = [super init]) != nil) {
 898         class_ = _class;
 899         loading_ = [[NSMutableSet alloc] initWithCapacity:5];
 900
 901         indirect_ = [[IndirectDelegate alloc] initWithDelegate:self];
 902
 903         webview_ = [[[CYWebView alloc] initWithFrame:[[self view] bounds]] autorelease];
 904         [webview_ setDelegate:self];
 905         [self setView:webview_];
 906
 907         if ([webview_ respondsToSelector:@selector(setDataDetectorTypes:)])
 908             [webview_ setDataDetectorTypes:UIDataDetectorTypeAutomatic];
 909         else
 910             [webview_ setDetectsPhoneNumbers:NO];
 911
 912         [webview_ setScalesPageToFit:YES];
 913
 914         UIWebDocumentView *document([webview_ _documentView]);
 915
 916         // XXX: I think this improves scrolling; the hardcoded-ness sucks
 917         [document setTileSize:CGSizeMake(320, 500)];
 918
 919         [document setBackgroundColor:[UIColor clearColor]];
 920         [document setDrawsBackground:NO];
 921
 922         WebView *webview([document webView]);
 923         WebPreferences *preferences([webview preferences]);
 924
 925         // XXX: I have no clue if I actually /want/ this modification
 926         if ([webview respondsToSelector:@selector(_setLayoutInterval:)])
 927             [webview _setLayoutInterval:0];
 928         else if ([preferences respondsToSelector:@selector(_setLayoutInterval:)])
 929             [preferences _setLayoutInterval:0];
 930
 931         [preferences setCacheModel:WebCacheModelDocumentBrowser];
 932         [preferences setOfflineWebApplicationCacheEnabled:YES];
 933
 934         if ([webview_ respondsToSelector:@selector(_scrollView)]) {
 935             scroller_ = [webview_ _scrollView];
 936
 937             [scroller_ setDirectionalLockEnabled:YES];
 938             [scroller_ setDecelerationRate:CYScrollViewDecelerationRateNormal];
 939             [scroller_ setDelaysContentTouches:NO];
 940
 941             [scroller_ setCanCancelContentTouches:YES];
 942         } else if ([webview_ respondsToSelector:@selector(_scroller)]) {
 943             UIScroller *scroller([webview_ _scroller]);
 944             scroller_ = (UIScrollView *) scroller;
 945
 946             [scroller setDirectionalScrolling:YES];
 947             // XXX: we might be better off /not/ setting this on older systems
 948             [scroller setScrollDecelerationFactor:CYScrollViewDecelerationRateNormal]; /* 0.989324 */
 949             [scroller setScrollHysteresis:0]; /* 8 */
 950
 951             [scroller setThumbDetectionEnabled:NO];
 952
 953             // use NO with UIApplicationUseLegacyEvents(YES)
 954             [scroller setEventMode:YES];
 955
 956             // XXX: this is handled by setBounces, right?
 957             //[scroller setAllowsRubberBanding:YES];
 958         }
 959
 960         [scroller_ setFixedBackgroundPattern:YES];
 961         [scroller_ setBackgroundColor:[UIColor groupTableViewBackgroundColor]];
 962         [scroller_ setClipsSubviews:YES];
 963
 964         [scroller_ setBounces:YES];
 965         [scroller_ setScrollingEnabled:YES];
 966         [scroller_ setShowBackgroundShadow:NO];
 967
 968         [self setViewportWidth:width];
 969
 970         reloaditem_ = [[UIBarButtonItem alloc]
 971             initWithTitle:UCLocalize("RELOAD")
 972             style:[self rightButtonStyle]
 973             target:self
 974             action:@selector(reloadButtonClicked)
 975         ];
 976
 977         loadingitem_ = [[UIBarButtonItem alloc]
 978             initWithTitle:@" "
 979             style:UIBarButtonItemStylePlain
 980             target:self
 981             action:@selector(reloadButtonClicked)
 982         ];
 983
 984         CGSize indsize = [UIProgressIndicator defaultSizeForStyle:UIProgressIndicatorStyleMediumWhite];
 985         indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectMake(15, 5, indsize.width, indsize.height)];
 986         [indicator_ setStyle:UIProgressIndicatorStyleMediumWhite];
 987         [indicator_ startAnimation];
 988         [[loadingitem_ view] addSubview:indicator_];
 989
 990         [webview_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
 991         [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
 992     } return self;
 993 }
 994
 995 - (id) initWithWidth:(float)width {
 996     return [self initWithWidth:width ofClass:[self class]];
 997 }
 998
 999 - (id) init {
1000     return [self initWithWidth:0];
1001 }
1002
1003 - (void) didDismissModalViewController {
1004     if (closer_ != nil)
1005         [self callFunction:closer_];
1006 }
1007
1008 - (void) callFunction:(WebScriptObject *)function {
1009     WebThreadLock();
1010
1011     WebView *webview([[webview_ _documentView] webView]);
1012     WebFrame *frame([webview mainFrame]);
1013     WebPreferences *preferences([webview preferences]);
1014
1015     bool maybe([preferences javaScriptCanOpenWindowsAutomatically]);
1016     [preferences setJavaScriptCanOpenWindowsAutomatically:NO];
1017
1018     /*id _private(MSHookIvar<id>(webview, "_private"));
1019     WebCore::Page *page(_private == nil ? NULL : MSHookIvar<WebCore::Page *>(_private, "page"));
1020     WebCore::Settings *settings(page == NULL ? NULL : page->settings());
1021
1022     bool no;
1023     if (settings == NULL)
1024         no = 0;
1025     else {
1026         no = settings->JavaScriptCanOpenWindowsAutomatically();
1027         settings->setJavaScriptCanOpenWindowsAutomatically(true);
1028     }*/
1029
1030     if (UIWindow *window = [[self view] window])
1031         if (UIResponder *responder = [window firstResponder])
1032             [responder resignFirstResponder];
1033
1034     JSObjectRef object([function JSObject]);
1035     JSGlobalContextRef context([frame globalContext]);
1036     JSObjectCallAsFunction(context, object, NULL, 0, NULL, NULL);
1037
1038     /*if (settings != NULL)
1039         settings->setJavaScriptCanOpenWindowsAutomatically(no);*/
1040
1041     [preferences setJavaScriptCanOpenWindowsAutomatically:maybe];
1042
1043     WebThreadUnlock();
1044 }
1045
1046 - (void) reloadButtonClicked {
1047     [self reloadURL];
1048 }
1049
1050 - (void) _customButtonClicked {
1051     [self reloadButtonClicked];
1052 }
1053
1054 - (void) customButtonClicked {
1055 #if !AlwaysReload
1056     if (function_ != nil)
1057         [self callFunction:function_];
1058     else
1059 #endif
1060     [self _customButtonClicked];
1061 }
1062
1063 + (float) defaultWidth {
1064     return 980;
1065 }
1066
1067 @end