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 #define DefaultTimeout_ 120.0
  31
  32 template <typename Type_>
  33 static inline void CYRelease(Type_ &value) {
  34     if (value != nil) {
  35         [value release];
  36         value = nil;
  37     }
  38 }
  39
  40 float CYScrollViewDecelerationRateNormal;
  41
  42 @interface WebView (Apple)
  43 - (void) _setLayoutInterval:(float)interval;
  44 @end
  45
  46 @interface WebPreferences (Apple)
  47 + (void) _setInitialDefaultTextEncodingToSystemEncoding;
  48 - (void) _setLayoutInterval:(NSInteger)interval;
  49 - (void) setOfflineWebApplicationCacheEnabled:(BOOL)enabled;
  50 @end
  51
  52 /* Indirect Delegate {{{ */
  53 @interface IndirectDelegate : NSObject <
  54     HookProtocol
  55 > {
  56     _transient volatile id delegate_;
  57 }
  58
  59 - (void) setDelegate:(id)delegate;
  60 - (id) initWithDelegate:(id)delegate;
  61 @end
  62
  63 @implementation IndirectDelegate
  64
  65 - (void) setDelegate:(id)delegate {
  66     delegate_ = delegate;
  67 }
  68
  69 - (id) initWithDelegate:(id)delegate {
  70     delegate_ = delegate;
  71     return self;
  72 }
  73
  74 - (void) didDismissModalViewController {
  75     if (delegate_ != nil)
  76         return [delegate_ didDismissModalViewController];
  77 }
  78
  79 - (IMP) methodForSelector:(SEL)sel {
  80     if (IMP method = [super methodForSelector:sel])
  81         return method;
  82     fprintf(stderr, "methodForSelector:[%s] == NULL\n", sel_getName(sel));
  83     return NULL;
  84 }
  85
  86 - (BOOL) respondsToSelector:(SEL)sel {
  87     if ([super respondsToSelector:sel])
  88         return YES;
  89     // XXX: WebThreadCreateNSInvocation returns nil
  90     //fprintf(stderr, "[%s]R?%s\n", class_getName(self->isa), sel_getName(sel));
  91     return delegate_ == nil ? NO : [delegate_ respondsToSelector:sel];
  92 }
  93
  94 - (NSMethodSignature *) methodSignatureForSelector:(SEL)sel {
  95     if (NSMethodSignature *method = [super methodSignatureForSelector:sel])
  96         return method;
  97     //fprintf(stderr, "[%s]S?%s\n", class_getName(self->isa), sel_getName(sel));
  98     if (delegate_ != nil)
  99         if (NSMethodSignature *sig = [delegate_ methodSignatureForSelector:sel])
 100             return sig;
 101     // XXX: I fucking hate Apple so very very bad
 102     return [NSMethodSignature signatureWithObjCTypes:"v@:"];
 103 }
 104
 105 - (void) forwardInvocation:(NSInvocation *)inv {
 106     SEL sel = [inv selector];
 107     if (delegate_ != nil && [delegate_ respondsToSelector:sel])
 108         [inv invokeWithTarget:delegate_];
 109 }
 110
 111 @end
 112 /* }}} */
 113
 114 @implementation WebScriptObject (UICaboodle)
 115
 116 - (NSUInteger) count {
 117     id length([self valueForKey:@"length"]);
 118     if ([length respondsToSelector:@selector(intValue)])
 119         return [length intValue];
 120     else
 121         return 0;
 122 }
 123
 124 - (id) objectAtIndex:(unsigned)index {
 125     return [self webScriptValueAtIndex:index];
 126 }
 127
 128 @end
 129
 130 // CYWebPolicyDecision* {{{
 131 enum CYWebPolicyDecision {
 132     CYWebPolicyDecisionUnknown,
 133     CYWebPolicyDecisionDownload,
 134     CYWebPolicyDecisionIgnore,
 135     CYWebPolicyDecisionUse,
 136 };
 137
 138 @interface CYWebPolicyDecisionMediator : NSObject <
 139     WebPolicyDecisionListener
 140 > {
 141     id<WebPolicyDecisionListener> listener_;
 142     CYWebPolicyDecision decision_;
 143 }
 144
 145 - (id) initWithListener:(id<WebPolicyDecisionListener>)listener;
 146
 147 - (CYWebPolicyDecision) decision;
 148 - (bool) decided;
 149 - (bool) decide;
 150
 151 @end
 152
 153 @implementation CYWebPolicyDecisionMediator
 154
 155 - (id) initWithListener:(id<WebPolicyDecisionListener>)listener {
 156     if ((self = [super init]) != nil) {
 157         listener_ = listener;
 158     } return self;
 159 }
 160
 161 - (CYWebPolicyDecision) decision {
 162     return decision_;
 163 }
 164
 165 - (bool) decided {
 166     return decision_ != CYWebPolicyDecisionUnknown;
 167 }
 168
 169 - (bool) decide {
 170     switch (decision_) {
 171         case CYWebPolicyDecisionUnknown:
 172         default:
 173             NSLog(@"CYWebPolicyDecisionUnknown");
 174             return false;
 175
 176         case CYWebPolicyDecisionDownload: [listener_ download]; break;
 177         case CYWebPolicyDecisionIgnore: [listener_ ignore]; break;
 178         case CYWebPolicyDecisionUse: [listener_ use]; break;
 179     }
 180
 181     return true;
 182 }
 183
 184 - (void) download {
 185     decision_ = CYWebPolicyDecisionDownload;
 186 }
 187
 188 - (void) ignore {
 189     decision_ = CYWebPolicyDecisionIgnore;
 190 }
 191
 192 - (void) use {
 193     decision_ = CYWebPolicyDecisionUse;
 194 }
 195
 196 @end
 197 // }}}
 198
 199 @implementation CYWebView : UIWebView
 200
 201 - (id) initWithFrame:(CGRect)frame {
 202     if ((self = [super initWithFrame:frame]) != nil) {
 203     } return self;
 204 }
 205
 206 - (void) dealloc {
 207     [super dealloc];
 208 }
 209
 210 - (id<CYWebViewDelegate>) delegate {
 211     return (id<CYWebViewDelegate>) [super delegate];
 212 }
 213
 214 /*- (WebView *) webView:(WebView *)view createWebViewWithRequest:(NSURLRequest *)request {
 215     id<CYWebViewDelegate> delegate([self delegate]);
 216     WebView *created(nil);
 217     if (created == nil && [delegate respondsToSelector:@selector(webView:createWebViewWithRequest:)])
 218         created = [delegate webView:view createWebViewWithRequest:request];
 219     if (created == nil && [UIWebView instancesRespondToSelector:@selector(webView:createWebViewWithRequest:)])
 220         created = [super webView:view createWebViewWithRequest:request];
 221     return created;
 222 }*/
 223
 224 // webView:decidePolicyForNavigationAction:request:frame:decisionListener: (2.0+) {{{
 225 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 226     id<CYWebViewDelegate> delegate([self delegate]);
 227     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 228     if (![mediator decided] && [delegate respondsToSelector:@selector(webView:decidePolicyForNavigationAction:request:frame:decisionListener:)])
 229         [delegate webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 230     if (![mediator decided] && [UIWebView instancesRespondToSelector:@selector(webView:decidePolicyForNavigationAction:request:frame:decisionListener:)])
 231         [super webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 232     [mediator decide];
 233 }
 234 // }}}
 235 // webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener: (3.0+) {{{
 236 static void $UIWebViewWebViewDelegate$webView$decidePolicyForNewWindowAction$request$newFrameName$decisionListener$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSDictionary *action, NSURLRequest *request, NSString *frame, id<WebPolicyDecisionListener> listener) {
 237     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 238     if ([uiWebView respondsToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 239         [uiWebView webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:listener];
 240 }
 241
 242 - (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 243     id<CYWebViewDelegate> delegate([self delegate]);
 244     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 245     if (![mediator decided] && [delegate respondsToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 246         [delegate webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 247     if (![mediator decided] && [UIWebView instancesRespondToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 248         [super webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 249     [mediator decide];
 250 }
 251 // }}}
 252 // webView:didClearWindowObject:forFrame: (3.2+) {{{
 253 static void $UIWebViewWebViewDelegate$webView$didClearWindowObject$forFrame$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, WebScriptObject *window, WebFrame *frame) {
 254     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 255     if ([uiWebView respondsToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 256         [uiWebView webView:view didClearWindowObject:window forFrame:frame];
 257 }
 258
 259 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 260     id<CYWebViewDelegate> delegate([self delegate]);
 261     if ([delegate respondsToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 262         [delegate webView:view didClearWindowObject:window forFrame:frame];
 263     if ([UIWebView instancesRespondToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 264         [super webView:view didClearWindowObject:window forFrame:frame];
 265 }
 266 // }}}
 267 // webView:didFailLoadWithError:forFrame: (2.0+) {{{
 268 - (void) webView:(WebView *)view didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 269     id<CYWebViewDelegate> delegate([self delegate]);
 270     if ([delegate respondsToSelector:@selector(webView:didFailLoadWithError:forFrame:)])
 271         [delegate webView:view didFailLoadWithError:error forFrame:frame];
 272     if ([UIWebView instancesRespondToSelector:@selector(webView:didFailLoadWithError:forFrame:)])
 273         [super webView:view didFailLoadWithError:error forFrame:frame];
 274 }
 275 // }}}
 276 // webView:didFailProvisionalLoadWithError:forFrame: (2.0+) {{{
 277 - (void) webView:(WebView *)view didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 278     id<CYWebViewDelegate> delegate([self delegate]);
 279     if ([delegate respondsToSelector:@selector(webView:didFailProvisionalLoadWithError:forFrame:)])
 280         [delegate webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 281     if ([UIWebView instancesRespondToSelector:@selector(webView:didFailProvisionalLoadWithError:forFrame:)])
 282         [super webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 283 }
 284 // }}}
 285 // webView:didFinishLoadForFrame: (2.0+) {{{
 286 - (void) webView:(WebView *)view didFinishLoadForFrame:(WebFrame *)frame {
 287     id<CYWebViewDelegate> delegate([self delegate]);
 288     if ([delegate respondsToSelector:@selector(webView:didFinishLoadForFrame:)])
 289         [delegate webView:view didFinishLoadForFrame:frame];
 290     if ([UIWebView instancesRespondToSelector:@selector(webView:didFinishLoadForFrame:)])
 291         [super webView:view didFinishLoadForFrame:frame];
 292 }
 293 // }}}
 294 // webView:didReceiveTitle:forFrame: (3.2+) {{{
 295 static void $UIWebViewWebViewDelegate$webView$didReceiveTitle$forFrame$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSString *title, WebFrame *frame) {
 296     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 297     if ([uiWebView respondsToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 298         [uiWebView webView:view didReceiveTitle:title forFrame:frame];
 299 }
 300
 301 - (void) webView:(WebView *)view didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 302     id<CYWebViewDelegate> delegate([self delegate]);
 303     if ([delegate respondsToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 304         [delegate webView:view didReceiveTitle:title forFrame:frame];
 305     if ([UIWebView instancesRespondToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 306         [super webView:view didReceiveTitle:title forFrame:frame];
 307 }
 308 // }}}
 309 // webView:didStartProvisionalLoadForFrame: (2.0+) {{{
 310 - (void) webView:(WebView *)view didStartProvisionalLoadForFrame:(WebFrame *)frame {
 311     id<CYWebViewDelegate> delegate([self delegate]);
 312     if ([delegate respondsToSelector:@selector(webView:didStartProvisionalLoadForFrame:)])
 313         [delegate webView:view didStartProvisionalLoadForFrame:frame];
 314     if ([UIWebView instancesRespondToSelector:@selector(webView:didStartProvisionalLoadForFrame:)])
 315         [super webView:view didStartProvisionalLoadForFrame:frame];
 316 }
 317 // }}}
 318 // webView:resource:willSendRequest:redirectResponse:fromDataSource: (3.2+) {{{
 319 static NSURLRequest *$UIWebViewWebViewDelegate$webView$resource$willSendRequest$redirectResponse$fromDataSource$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, id identifier, NSURLRequest *request, NSURLResponse *response, WebDataSource *source) {
 320     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 321     if ([uiWebView respondsToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 322         request = [uiWebView webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 323     return request;
 324 }
 325
 326 - (NSURLRequest *) webView:(WebView *)view resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
 327     id<CYWebViewDelegate> delegate([self delegate]);
 328     if ([UIWebView instancesRespondToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 329         request = [super webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 330     if ([delegate respondsToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 331         request = [delegate webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 332     return request;
 333 }
 334 // }}}
 335 // webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame: (2.1+) {{{
 336 - (void) webView:(WebView *)view runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 337     id<CYWebViewDelegate> delegate([self delegate]);
 338     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame:)])
 339         if (
 340             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptAlertPanelWithMessage:initiatedByFrame:)] ||
 341             [delegate webView:view shouldRunJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame]
 342         )
 343             [super webView:view runJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame];
 344 }
 345 // }}}
 346 // webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame: (2.1+) {{{
 347 - (BOOL) webView:(WebView *)view runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 348     id<CYWebViewDelegate> delegate([self delegate]);
 349     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame:)])
 350         if (
 351             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptConfirmPanelWithMessage:initiatedByFrame:)] ||
 352             [delegate webView:view shouldRunJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame]
 353         )
 354             return [super webView:view runJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame];
 355     return NO;
 356 }
 357 // }}}
 358 // webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame: (2.1+) {{{
 359 - (NSString *) webView:(WebView *)view runJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)text initiatedByFrame:(WebFrame *)frame {
 360     id<CYWebViewDelegate> delegate([self delegate]);
 361     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:)])
 362         if (
 363             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:)] ||
 364             [delegate webView:view shouldRunJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame]
 365         )
 366             return [super webView:view runJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame];
 367     return nil;
 368 }
 369 // }}}
 370 // webViewClose: (3.2+) {{{
 371 static void $UIWebViewWebViewDelegate$webViewClose$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view) {
 372     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 373     if ([uiWebView respondsToSelector:@selector(webViewClose:)])
 374         [uiWebView webViewClose:view];
 375 }
 376
 377 - (void) webViewClose:(WebView *)view {
 378     id<CYWebViewDelegate> delegate([self delegate]);
 379     if ([delegate respondsToSelector:@selector(webViewClose:)])
 380         [delegate webViewClose:view];
 381     if ([UIWebView instancesRespondToSelector:@selector(webViewClose:)])
 382         [super webViewClose:view];
 383 }
 384 // }}}
 385
 386 - (void) _updateViewSettings {
 387     [super _updateViewSettings];
 388
 389     id<CYWebViewDelegate> delegate([self delegate]);
 390     if ([delegate respondsToSelector:@selector(webViewUpdateViewSettings:)])
 391         [delegate webViewUpdateViewSettings:self];
 392 }
 393
 394 + (void) initialize {
 395     if (Class $UIWebViewWebViewDelegate = objc_getClass("UIWebViewWebViewDelegate")) {
 396         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:), (IMP) &$UIWebViewWebViewDelegate$webView$decidePolicyForNewWindowAction$request$newFrameName$decisionListener$, "v28@0:4@8@12@16@20@24");
 397         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didClearWindowObject:forFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didClearWindowObject$forFrame$, "v20@0:4@8@12@16");
 398         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didReceiveTitle:forFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didReceiveTitle$forFrame$, "v20@0:4@8@12@16");
 399         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:), (IMP) &$UIWebViewWebViewDelegate$webView$resource$willSendRequest$redirectResponse$fromDataSource$, "@28@0:4@8@12@16@20@24");
 400         class_addMethod($UIWebViewWebViewDelegate, @selector(webViewClose:), (IMP) &$UIWebViewWebViewDelegate$webViewClose$, "v12@0:4@8");
 401     }
 402 }
 403
 404 @end
 405
 406 #define ShowInternals 0
 407 #define LogBrowser 0
 408
 409 #define lprintf(args...) fprintf(stderr, args)
 410
 411 @implementation BrowserController
 412
 413 #if ShowInternals
 414 #include "UICaboodle/UCInternal.h"
 415 #endif
 416
 417 + (void) _initialize {
 418     [WebPreferences _setInitialDefaultTextEncodingToSystemEncoding];
 419
 420     if (float *_UIScrollViewDecelerationRateNormal = reinterpret_cast<float *>(dlsym(RTLD_DEFAULT, "UIScrollViewDecelerationRateNormal")))
 421         CYScrollViewDecelerationRateNormal = *_UIScrollViewDecelerationRateNormal;
 422     else // XXX: this actually might be fast on some older systems: we should look into this
 423         CYScrollViewDecelerationRateNormal = 0.998;
 424 }
 425
 426 - (void) dealloc {
 427 #if LogBrowser
 428     NSLog(@"[BrowserController dealloc]");
 429 #endif
 430
 431     [webview_ setDelegate:nil];
 432
 433     [indirect_ setDelegate:nil];
 434     [indirect_ release];
 435
 436     if (challenge_ != nil)
 437         [challenge_ release];
 438
 439     if (request_ != nil)
 440         [request_ release];
 441
 442     if (custom_ != nil)
 443         [custom_ release];
 444     if (style_ != nil)
 445         [style_ release];
 446
 447     if (function_ != nil)
 448         [function_ release];
 449     if (closer_ != nil)
 450         [closer_ release];
 451
 452     if (title_ != nil)
 453         [title_ release];
 454
 455     if ([loading_ count] != 0)
 456         [delegate_ releaseNetworkActivityIndicator];
 457     [loading_ release];
 458
 459     [reloaditem_ release];
 460     [loadingitem_ release];
 461
 462     [indicator_ release];
 463
 464     [super dealloc];
 465 }
 466
 467 - (void) setURL:(NSURL *)url {
 468     _assert(request_ == nil);
 469
 470     request_ = [[NSURLRequest
 471         requestWithURL:url
 472         cachePolicy:NSURLRequestUseProtocolCachePolicy
 473         timeoutInterval:DefaultTimeout_
 474     ] retain];
 475 }
 476
 477 - (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
 478     [self loadRequest:[NSURLRequest
 479         requestWithURL:url
 480         cachePolicy:policy
 481         timeoutInterval:DefaultTimeout_
 482     ]];
 483 }
 484
 485 - (void) loadURL:(NSURL *)url {
 486     [self loadURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy];
 487 }
 488
 489 - (void) loadRequest:(NSURLRequest *)request {
 490 #if LogBrowser
 491     NSLog(@"loadRequest:%@", request);
 492 #endif
 493
 494     error_ = false;
 495
 496     WebThreadLock();
 497     [webview_ loadRequest:request];
 498     WebThreadUnlock();
 499 }
 500
 501 - (void) reloadURL {
 502     if (request_ == nil)
 503         return;
 504
 505     if ([request_ HTTPBody] == nil && [request_ HTTPBodyStream] == nil)
 506         [self loadRequest:request_];
 507     else {
 508         UIAlertView *alert = [[[UIAlertView alloc]
 509             initWithTitle:UCLocalize("RESUBMIT_FORM")
 510             message:nil
 511             delegate:self
 512             cancelButtonTitle:UCLocalize("CANCEL")
 513             otherButtonTitles:UCLocalize("SUBMIT"), nil
 514         ] autorelease];
 515
 516         [alert setContext:@"submit"];
 517         [alert show];
 518     }
 519 }
 520
 521 - (void) reloadData {
 522     [super reloadData];
 523     [self reloadURL];
 524 }
 525
 526 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 527     if (custom_ != nil)
 528         [custom_ autorelease];
 529     if (button == nil)
 530         custom_ = nil;
 531     else
 532         custom_ = [[UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:button]]] retain];
 533
 534     if (style_ != nil)
 535         [style_ autorelease];
 536     if (style == nil)
 537         style_ = nil;
 538     else
 539         style_ = [style retain];
 540
 541     if (function_ != nil)
 542         [function_ autorelease];
 543     if (function == nil)
 544         function_ = nil;
 545     else
 546         function_ = [function retain];
 547
 548     [self applyRightButton];
 549 }
 550
 551 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 552     if (custom_ != nil)
 553         [custom_ autorelease];
 554     if (button == nil)
 555         custom_ = nil;
 556     else
 557         custom_ = [button retain];
 558
 559     if (style_ != nil)
 560         [style_ autorelease];
 561     if (style == nil)
 562         style_ = nil;
 563     else
 564         style_ = [style retain];
 565
 566     if (function_ != nil)
 567         [function_ autorelease];
 568     if (function == nil)
 569         function_ = nil;
 570     else
 571         function_ = [function retain];
 572
 573     [self applyRightButton];
 574 }
 575
 576 - (void) setPopupHook:(id)function {
 577     if (closer_ != nil)
 578         [closer_ autorelease];
 579     if (function == nil)
 580         closer_ = nil;
 581     else
 582         closer_ = [function retain];
 583 }
 584
 585 - (void) _setViewportWidth {
 586     [[webview_ _documentView] setViewportSize:CGSizeMake(width_, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x10];
 587 }
 588
 589 - (void) setViewportWidth:(float)width {
 590     width_ = width != 0 ? width : [[self class] defaultWidth];
 591     [self _setViewportWidth];
 592 }
 593
 594 - (void) webViewUpdateViewSettings:(UIWebView *)view {
 595     [self _setViewportWidth];
 596 }
 597
 598 - (void) _openMailToURL:(NSURL *)url {
 599     [[UIApplication sharedApplication] openURL:url];// asPanel:YES];
 600 }
 601
 602 - (bool) _allowJavaScriptPanel {
 603     return true;
 604 }
 605
 606 - (void) _didFailWithError:(NSError *)error forFrame:(WebFrame *)frame {
 607     [loading_ removeObject:[NSValue valueWithNonretainedObject:frame]];
 608     [self _didFinishLoading];
 609
 610     if ([error code] == NSURLErrorCancelled)
 611         return;
 612
 613     if ([frame parentFrame] == nil) {
 614         [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@?%@",
 615             [[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"error" ofType:@"html"]] absoluteString],
 616             [[error localizedDescription] stringByAddingPercentEscapes]
 617         ]]];
 618
 619         error_ = true;
 620     }
 621 }
 622
 623 // CYWebViewDelegate {{{
 624 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 625 #if LogBrowser
 626     NSLog(@"decidePolicyForNavigationAction:%@ request:%@ frame:%@", action, request, frame);
 627 #endif
 628
 629     if ([frame parentFrame] == nil) {
 630         if (!error_) {
 631             if (request_ != nil)
 632                 [request_ autorelease];
 633             if (request == nil)
 634                 request_ = nil;
 635             else
 636                 request_ = [request retain];
 637         }
 638     }
 639 }
 640
 641 - (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 642 #if LogBrowser
 643     NSLog(@"decidePolicyForNewWindowAction:%@ request:%@ newFrameName:%@", action, request, frame);
 644 #endif
 645
 646     NSURL *url([request URL]);
 647     if (url == nil)
 648         return;
 649
 650     if ([frame isEqualToString:@"_open"])
 651         [delegate_ openURL:url];
 652
 653     NSString *scheme([[url scheme] lowercaseString]);
 654     if ([scheme isEqualToString:@"mailto"])
 655         [self _openMailToURL:url];
 656
 657     CYViewController *page([delegate_ pageForURL:url]);
 658
 659     if (page == nil) {
 660         BrowserController *browser([[[class_ alloc] init] autorelease]);
 661         [browser loadRequest:request];
 662         page = browser;
 663     }
 664
 665     [page setDelegate:delegate_];
 666
 667     if (![frame isEqualToString:@"_popup"]) {
 668         [[self navigationItem] setTitle:title_];
 669
 670         [[self navigationController] pushViewController:page animated:YES];
 671     } else {
 672         UCNavigationController *navigation([[[UCNavigationController alloc] initWithRootViewController:page] autorelease]);
 673
 674         [navigation setHook:indirect_];
 675         [navigation setDelegate:delegate_];
 676
 677         [[page navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
 678             initWithTitle:UCLocalize("CLOSE")
 679             style:UIBarButtonItemStylePlain
 680             target:page
 681             action:@selector(close)
 682         ] autorelease]];
 683
 684         [[self navigationController] presentModalViewController:navigation animated:YES];
 685     }
 686
 687     [listener ignore];
 688 }
 689
 690 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 691 }
 692
 693 - (void) webView:(WebView *)view didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 694 #if LogBrowser
 695     NSLog(@"didFailLoadWithError:%@ forFrame:%@", error, frame);
 696 #endif
 697
 698     [self _didFailWithError:error forFrame:frame];
 699 }
 700
 701 - (void) webView:(WebView *)view didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 702 #if LogBrowser
 703     NSLog(@"didFailProvisionalLoadWithError:%@ forFrame:%@", error, frame);
 704 #endif
 705
 706     [self _didFailWithError:error forFrame:frame];
 707 }
 708
 709 - (void) webView:(WebView *)view didFinishLoadForFrame:(WebFrame *)frame {
 710     [loading_ removeObject:[NSValue valueWithNonretainedObject:frame]];
 711
 712     if ([frame parentFrame] == nil) {
 713         if (DOMDocument *document = [frame DOMDocument])
 714             if (DOMNodeList<NSFastEnumeration> *bodies = [document getElementsByTagName:@"body"])
 715                 for (DOMHTMLBodyElement *body in (id) bodies) {
 716                     DOMCSSStyleDeclaration *style([document getComputedStyle:body pseudoElement:nil]);
 717
 718                     bool colored(false);
 719
 720                     if (DOMCSSPrimitiveValue *color = static_cast<DOMCSSPrimitiveValue *>([style getPropertyCSSValue:@"background-color"])) {
 721                         if ([color primitiveType] == DOM_CSS_RGBCOLOR) {
 722                             DOMRGBColor *rgb([color getRGBColorValue]);
 723
 724                             float red([[rgb red] getFloatValue:DOM_CSS_NUMBER]);
 725                             float green([[rgb green] getFloatValue:DOM_CSS_NUMBER]);
 726                             float blue([[rgb blue] getFloatValue:DOM_CSS_NUMBER]);
 727                             float alpha([[rgb alpha] getFloatValue:DOM_CSS_NUMBER]);
 728
 729                             UIColor *uic(nil);
 730
 731                             if (red == 0xc7 && green == 0xce && blue == 0xd5)
 732                                 uic = [UIColor groupTableViewBackgroundColor];
 733                             else if (alpha != 0)
 734                                 uic = [UIColor
 735                                     colorWithRed:(red / 255)
 736                                     green:(green / 255)
 737                                     blue:(blue / 255)
 738                                     alpha:alpha
 739                                 ];
 740
 741                             if (uic != nil) {
 742                                 colored = true;
 743                                 [scroller_ setBackgroundColor:uic];
 744                             }
 745                         }
 746                     }
 747
 748                     if (!colored)
 749                         [scroller_ setBackgroundColor:[UIColor groupTableViewBackgroundColor]];
 750                     break;
 751                 }
 752     }
 753
 754     [self _didFinishLoading];
 755 }
 756
 757 - (void) webView:(WebView *)view didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 758     if ([frame parentFrame] != nil)
 759         return;
 760
 761     if (title_ != nil)
 762         [title_ autorelease];
 763     title_ = [title retain];
 764
 765     [[self navigationItem] setTitle:title_];
 766 }
 767
 768 - (void) webView:(WebView *)view didStartProvisionalLoadForFrame:(WebFrame *)frame {
 769     [loading_ addObject:[NSValue valueWithNonretainedObject:frame]];
 770
 771     if ([frame parentFrame] == nil) {
 772         CYRelease(title_);
 773         CYRelease(custom_);
 774         CYRelease(style_);
 775         CYRelease(function_);
 776         CYRelease(closer_);
 777
 778         // XXX: do we still need to do this?
 779         [[self navigationItem] setTitle:nil];
 780     }
 781
 782     [self _didStartLoading];
 783 }
 784
 785 - (NSURLRequest *) webView:(WebView *)view resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
 786 #if LogBrowser
 787     NSLog(@"resource:%@ willSendRequest:%@ redirectResponse:%@ fromDataSource:%@", identifier, request, response, source);
 788 #endif
 789
 790     return request;
 791 }
 792
 793 - (bool) webView:(WebView *)view shouldRunJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 794     return [self _allowJavaScriptPanel];
 795 }
 796
 797 - (bool) webView:(WebView *)view shouldRunJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 798     return [self _allowJavaScriptPanel];
 799 }
 800
 801 - (bool) webView:(WebView *)view shouldRunJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)text initiatedByFrame:(WebFrame *)frame {
 802     return [self _allowJavaScriptPanel];
 803 }
 804
 805 - (void) webViewClose:(WebView *)view {
 806     [self close];
 807 }
 808 // }}}
 809
 810 - (void) close {
 811     [[self navigationController] dismissModalViewControllerAnimated:YES];
 812 }
 813
 814 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
 815     NSString *context([alert context]);
 816
 817     if ([context isEqualToString:@"sensitive"]) {
 818         switch (button) {
 819             case 1:
 820                 sensitive_ = [NSNumber numberWithBool:YES];
 821             break;
 822
 823             case 2:
 824                 sensitive_ = [NSNumber numberWithBool:NO];
 825             break;
 826         }
 827
 828         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 829     } else if ([context isEqualToString:@"challenge"]) {
 830         id<NSURLAuthenticationChallengeSender> sender([challenge_ sender]);
 831
 832         switch (button) {
 833             case 1: {
 834                 NSString *username([[alert textFieldAtIndex:0] text]);
 835                 NSString *password([[alert textFieldAtIndex:1] text]);
 836
 837                 NSURLCredential *credential([NSURLCredential credentialWithUser:username password:password persistence:NSURLCredentialPersistenceForSession]);
 838
 839                 [sender useCredential:credential forAuthenticationChallenge:challenge_];
 840             } break;
 841
 842             case 2:
 843                 [sender cancelAuthenticationChallenge:challenge_];
 844             break;
 845
 846             _nodefault
 847         }
 848
 849         [challenge_ release];
 850         challenge_ = nil;
 851
 852         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 853     } else if ([context isEqualToString:@"submit"]) {
 854         if (button == [alert cancelButtonIndex]) {
 855         } else if (button == [alert firstOtherButtonIndex]) {
 856             if (request_ != nil) {
 857                 WebThreadLock();
 858                 [webview_ loadRequest:request_];
 859                 WebThreadUnlock();
 860             }
 861         }
 862
 863         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 864     }
 865 }
 866
 867 - (UIBarButtonItemStyle) rightButtonStyle {
 868     if (style_ == nil) normal:
 869         return UIBarButtonItemStylePlain;
 870     else if ([style_ isEqualToString:@"Normal"])
 871         return UIBarButtonItemStylePlain;
 872     else if ([style_ isEqualToString:@"Highlighted"])
 873         return UIBarButtonItemStyleDone;
 874     else goto normal;
 875 }
 876
 877 - (UIBarButtonItem *) customButton {
 878     return [[[UIBarButtonItem alloc]
 879         initWithTitle:custom_
 880         style:[self rightButtonStyle]
 881         target:self
 882         action:@selector(customButtonClicked)
 883     ] autorelease];
 884 }
 885
 886 - (UIBarButtonItem *) rightButton {
 887     return reloaditem_;
 888 }
 889
 890 - (void) applyLoadingTitle {
 891     [[self navigationItem] setTitle:UCLocalize("LOADING")];
 892 }
 893
 894 - (void) layoutRightButton {
 895     [[loadingitem_ view] addSubview:indicator_];
 896     [[loadingitem_ view] bringSubviewToFront:indicator_];
 897 }
 898
 899 - (void) applyRightButton {
 900     if ([self isLoading]) {
 901         [[self navigationItem] setRightBarButtonItem:loadingitem_ animated:YES];
 902         [self performSelector:@selector(layoutRightButton) withObject:nil afterDelay:0];
 903
 904         [indicator_ startAnimating];
 905         [self applyLoadingTitle];
 906     } else {
 907         [indicator_ stopAnimating];
 908
 909         [[self navigationItem] setRightBarButtonItem:(
 910             custom_ != nil ? [self customButton] : [self rightButton]
 911         ) animated:YES];
 912     }
 913 }
 914
 915 - (void) didStartLoading {
 916     // Overridden in subclasses.
 917 }
 918
 919 - (void) _didStartLoading {
 920     [self applyRightButton];
 921
 922     if ([loading_ count] != 1)
 923         return;
 924
 925     [delegate_ retainNetworkActivityIndicator];
 926     [self didStartLoading];
 927 }
 928
 929 - (void) didFinishLoading {
 930     // Overridden in subclasses.
 931 }
 932
 933 - (void) _didFinishLoading {
 934     if ([loading_ count] != 0)
 935         return;
 936
 937     [self applyRightButton];
 938     [[self navigationItem] setTitle:title_];
 939
 940     [delegate_ releaseNetworkActivityIndicator];
 941     [self didFinishLoading];
 942 }
 943
 944 - (bool) isLoading {
 945     return [loading_ count] != 0;
 946 }
 947
 948 - (id) initWithWidth:(float)width ofClass:(Class)_class {
 949     if ((self = [super init]) != nil) {
 950         class_ = _class;
 951         loading_ = [[NSMutableSet alloc] initWithCapacity:5];
 952
 953         indirect_ = [[IndirectDelegate alloc] initWithDelegate:self];
 954
 955         webview_ = [[[CYWebView alloc] initWithFrame:[[self view] bounds]] autorelease];
 956         [webview_ setDelegate:self];
 957         [self setView:webview_];
 958
 959         if ([webview_ respondsToSelector:@selector(setDataDetectorTypes:)])
 960             [webview_ setDataDetectorTypes:UIDataDetectorTypeAutomatic];
 961         else
 962             [webview_ setDetectsPhoneNumbers:NO];
 963
 964         [webview_ setScalesPageToFit:YES];
 965
 966         UIWebDocumentView *document([webview_ _documentView]);
 967
 968         // XXX: I think this improves scrolling; the hardcoded-ness sucks
 969         [document setTileSize:CGSizeMake(320, 500)];
 970
 971         [document setBackgroundColor:[UIColor clearColor]];
 972
 973         // XXX: this is terribly (too?) expensive
 974         [document setDrawsBackground:NO];
 975
 976         WebView *webview([document webView]);
 977         WebPreferences *preferences([webview preferences]);
 978
 979         // XXX: I have no clue if I actually /want/ this modification
 980         if ([webview respondsToSelector:@selector(_setLayoutInterval:)])
 981             [webview _setLayoutInterval:0];
 982         else if ([preferences respondsToSelector:@selector(_setLayoutInterval:)])
 983             [preferences _setLayoutInterval:0];
 984
 985         [preferences setCacheModel:WebCacheModelDocumentBrowser];
 986         [preferences setOfflineWebApplicationCacheEnabled:YES];
 987
 988         if ([webview_ respondsToSelector:@selector(_scrollView)]) {
 989             scroller_ = [webview_ _scrollView];
 990
 991             [scroller_ setDirectionalLockEnabled:YES];
 992             [scroller_ setDecelerationRate:CYScrollViewDecelerationRateNormal];
 993             [scroller_ setDelaysContentTouches:NO];
 994
 995             [scroller_ setCanCancelContentTouches:YES];
 996         } else if ([webview_ respondsToSelector:@selector(_scroller)]) {
 997             UIScroller *scroller([webview_ _scroller]);
 998             scroller_ = (UIScrollView *) scroller;
 999
1000             [scroller setDirectionalScrolling:YES];
1001             // XXX: we might be better off /not/ setting this on older systems
1002             [scroller setScrollDecelerationFactor:CYScrollViewDecelerationRateNormal]; /* 0.989324 */
1003             [scroller setScrollHysteresis:0]; /* 8 */
1004
1005             [scroller setThumbDetectionEnabled:NO];
1006
1007             // use NO with UIApplicationUseLegacyEvents(YES)
1008             [scroller setEventMode:YES];
1009
1010             // XXX: this is handled by setBounces, right?
1011             //[scroller setAllowsRubberBanding:YES];
1012         }
1013
1014         [scroller_ setFixedBackgroundPattern:YES];
1015         [scroller_ setBackgroundColor:[UIColor groupTableViewBackgroundColor]];
1016         [scroller_ setClipsSubviews:YES];
1017
1018         [scroller_ setBounces:YES];
1019         [scroller_ setScrollingEnabled:YES];
1020         [scroller_ setShowBackgroundShadow:NO];
1021
1022         [self setViewportWidth:width];
1023
1024         reloaditem_ = [[UIBarButtonItem alloc]
1025             initWithTitle:UCLocalize("RELOAD")
1026             style:[self rightButtonStyle]
1027             target:self
1028             action:@selector(reloadButtonClicked)
1029         ];
1030
1031         loadingitem_ = [[UIBarButtonItem alloc]
1032             initWithTitle:@" "
1033             style:UIBarButtonItemStylePlain
1034             target:self
1035             action:@selector(reloadButtonClicked)
1036         ];
1037
1038         indicator_ = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite];
1039         [indicator_ setFrame:CGRectMake(15, 5, [indicator_ frame].size.width, [indicator_ frame].size.height)];
1040
1041         [webview_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
1042         [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
1043     } return self;
1044 }
1045
1046 - (id) initWithWidth:(float)width {
1047     return [self initWithWidth:width ofClass:[self class]];
1048 }
1049
1050 - (id) init {
1051     return [self initWithWidth:0];
1052 }
1053
1054 - (id) initWithURL:(NSURL *)url {
1055     if ((self = [self init]) != nil) {
1056         [self setURL:url];
1057     } return self;
1058 }
1059
1060 - (void) didDismissModalViewController {
1061     if (closer_ != nil)
1062         [self callFunction:closer_];
1063 }
1064
1065 - (void) callFunction:(WebScriptObject *)function {
1066     WebThreadLock();
1067
1068     WebView *webview([[webview_ _documentView] webView]);
1069     WebFrame *frame([webview mainFrame]);
1070     WebPreferences *preferences([webview preferences]);
1071
1072     bool maybe([preferences javaScriptCanOpenWindowsAutomatically]);
1073     [preferences setJavaScriptCanOpenWindowsAutomatically:NO];
1074
1075     /*id _private(MSHookIvar<id>(webview, "_private"));
1076     WebCore::Page *page(_private == nil ? NULL : MSHookIvar<WebCore::Page *>(_private, "page"));
1077     WebCore::Settings *settings(page == NULL ? NULL : page->settings());
1078
1079     bool no;
1080     if (settings == NULL)
1081         no = 0;
1082     else {
1083         no = settings->JavaScriptCanOpenWindowsAutomatically();
1084         settings->setJavaScriptCanOpenWindowsAutomatically(true);
1085     }*/
1086
1087     if (UIWindow *window = [[self view] window])
1088         if (UIResponder *responder = [window firstResponder])
1089             [responder resignFirstResponder];
1090
1091     JSObjectRef object([function JSObject]);
1092     JSGlobalContextRef context([frame globalContext]);
1093     JSObjectCallAsFunction(context, object, NULL, 0, NULL, NULL);
1094
1095     /*if (settings != NULL)
1096         settings->setJavaScriptCanOpenWindowsAutomatically(no);*/
1097
1098     [preferences setJavaScriptCanOpenWindowsAutomatically:maybe];
1099
1100     WebThreadUnlock();
1101 }
1102
1103 - (void) reloadButtonClicked {
1104     [self reloadURL];
1105 }
1106
1107 - (void) _customButtonClicked {
1108     [self reloadButtonClicked];
1109 }
1110
1111 - (void) customButtonClicked {
1112 #if !AlwaysReload
1113     if (function_ != nil)
1114         [self callFunction:function_];
1115     else
1116 #endif
1117     [self _customButtonClicked];
1118 }
1119
1120 + (float) defaultWidth {
1121     return 980;
1122 }
1123
1124 @end