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