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         if (
 339             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptAlertPanelWithMessage:initiatedByFrame:)] ||
 340             [delegate webView:view shouldRunJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame]
 341         )
 342             [super webView:view runJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame];
 343 }
 344 // }}}
 345 // webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame: (2.1+) {{{
 346 - (BOOL) webView:(WebView *)view runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 347     id<CYWebViewDelegate> delegate([self delegate]);
 348     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame:)])
 349         if (
 350             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptConfirmPanelWithMessage:initiatedByFrame:)] ||
 351             [delegate webView:view shouldRunJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame]
 352         )
 353             return [super webView:view runJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame];
 354     return NO;
 355 }
 356 // }}}
 357 // webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame: (2.1+) {{{
 358 - (NSString *) webView:(WebView *)view runJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)text initiatedByFrame:(WebFrame *)frame {
 359     id<CYWebViewDelegate> delegate([self delegate]);
 360     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:)])
 361         if (
 362             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:)] ||
 363             [delegate webView:view shouldRunJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame]
 364         )
 365             return [super webView:view runJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame];
 366     return nil;
 367 }
 368 // }}}
 369 // webViewClose: (3.2+) {{{
 370 static void $UIWebViewWebViewDelegate$webViewClose$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view) {
 371     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 372     if ([uiWebView respondsToSelector:@selector(webViewClose:)])
 373         [uiWebView webViewClose:view];
 374 }
 375
 376 - (void) webViewClose:(WebView *)view {
 377     id<CYWebViewDelegate> delegate([self delegate]);
 378     if ([delegate respondsToSelector:@selector(webViewClose:)])
 379         [delegate webViewClose:view];
 380     if ([UIWebView instancesRespondToSelector:@selector(webViewClose:)])
 381         [super webViewClose:view];
 382 }
 383 // }}}
 384
 385 - (void) _updateViewSettings {
 386     [super _updateViewSettings];
 387
 388     id<CYWebViewDelegate> delegate([self delegate]);
 389     if ([delegate respondsToSelector:@selector(webViewUpdateViewSettings:)])
 390         [delegate webViewUpdateViewSettings:self];
 391 }
 392
 393 + (void) initialize {
 394     if (Class $UIWebViewWebViewDelegate = objc_getClass("UIWebViewWebViewDelegate")) {
 395         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:), (IMP) &$UIWebViewWebViewDelegate$webView$decidePolicyForNewWindowAction$request$newFrameName$decisionListener$, "v28@0:4@8@12@16@20@24");
 396         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didClearWindowObject:forFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didClearWindowObject$forFrame$, "v20@0:4@8@12@16");
 397         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didReceiveTitle:forFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didReceiveTitle$forFrame$, "v20@0:4@8@12@16");
 398         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:), (IMP) &$UIWebViewWebViewDelegate$webView$resource$willSendRequest$redirectResponse$fromDataSource$, "@28@0:4@8@12@16@20@24");
 399         class_addMethod($UIWebViewWebViewDelegate, @selector(webViewClose:), (IMP) &$UIWebViewWebViewDelegate$webViewClose$, "v12@0:4@8");
 400     }
 401 }
 402
 403 @end
 404
 405 #define ShowInternals 0
 406 #define LogBrowser 0
 407
 408 #define lprintf(args...) fprintf(stderr, args)
 409
 410 @implementation BrowserController
 411
 412 #if ShowInternals
 413 #include "UICaboodle/UCInternal.h"
 414 #endif
 415
 416 + (void) _initialize {
 417     [WebPreferences _setInitialDefaultTextEncodingToSystemEncoding];
 418
 419     if (float *_UIScrollViewDecelerationRateNormal = reinterpret_cast<float *>(dlsym(RTLD_DEFAULT, "UIScrollViewDecelerationRateNormal")))
 420         CYScrollViewDecelerationRateNormal = *_UIScrollViewDecelerationRateNormal;
 421     else // XXX: this actually might be fast on some older systems: we should look into this
 422         CYScrollViewDecelerationRateNormal = 0.998;
 423 }
 424
 425 - (void) dealloc {
 426 #if LogBrowser
 427     NSLog(@"[BrowserController dealloc]");
 428 #endif
 429
 430     [webview_ setDelegate:nil];
 431
 432     [indirect_ setDelegate:nil];
 433     [indirect_ release];
 434
 435     if (challenge_ != nil)
 436         [challenge_ release];
 437
 438     if (request_ != nil)
 439         [request_ release];
 440
 441     if (custom_ != nil)
 442         [custom_ release];
 443     if (style_ != nil)
 444         [style_ release];
 445
 446     if (function_ != nil)
 447         [function_ release];
 448     if (closer_ != nil)
 449         [closer_ release];
 450
 451     if (title_ != nil)
 452         [title_ release];
 453
 454     [loading_ release];
 455
 456     [reloaditem_ release];
 457     [loadingitem_ release];
 458
 459     [indicator_ release];
 460
 461     [super dealloc];
 462 }
 463
 464 - (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
 465     [self loadRequest:[NSURLRequest
 466         requestWithURL:url
 467         cachePolicy:policy
 468         timeoutInterval:120.0
 469     ]];
 470 }
 471
 472 - (void) loadURL:(NSURL *)url {
 473     [self loadURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy];
 474 }
 475
 476 - (void) loadRequest:(NSURLRequest *)request {
 477 #if LogBrowser
 478     NSLog(@"loadRequest:%@", request);
 479 #endif
 480
 481     error_ = false;
 482
 483     WebThreadLock();
 484     [webview_ loadRequest:request];
 485     WebThreadUnlock();
 486 }
 487
 488 - (void) reloadURL {
 489     if (request_ == nil)
 490         return;
 491
 492     if ([request_ HTTPBody] == nil && [request_ HTTPBodyStream] == nil)
 493         [self loadRequest:request_];
 494     else {
 495         UIAlertView *alert = [[[UIAlertView alloc]
 496             initWithTitle:UCLocalize("RESUBMIT_FORM")
 497             message:nil
 498             delegate:self
 499             cancelButtonTitle:UCLocalize("CANCEL")
 500             otherButtonTitles:UCLocalize("SUBMIT"), nil
 501         ] autorelease];
 502
 503         [alert setContext:@"submit"];
 504         [alert show];
 505     }
 506 }
 507
 508 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 509     if (custom_ != nil)
 510         [custom_ autorelease];
 511     if (button == nil)
 512         custom_ = nil;
 513     else
 514         custom_ = [[UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:button]]] retain];
 515
 516     if (style_ != nil)
 517         [style_ autorelease];
 518     if (style == nil)
 519         style_ = nil;
 520     else
 521         style_ = [style retain];
 522
 523     if (function_ != nil)
 524         [function_ autorelease];
 525     if (function == nil)
 526         function_ = nil;
 527     else
 528         function_ = [function retain];
 529
 530     [self applyRightButton];
 531 }
 532
 533 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 534     if (custom_ != nil)
 535         [custom_ autorelease];
 536     if (button == nil)
 537         custom_ = nil;
 538     else
 539         custom_ = [button retain];
 540
 541     if (style_ != nil)
 542         [style_ autorelease];
 543     if (style == nil)
 544         style_ = nil;
 545     else
 546         style_ = [style retain];
 547
 548     if (function_ != nil)
 549         [function_ autorelease];
 550     if (function == nil)
 551         function_ = nil;
 552     else
 553         function_ = [function retain];
 554
 555     [self applyRightButton];
 556 }
 557
 558 - (void) setPopupHook:(id)function {
 559     if (closer_ != nil)
 560         [closer_ autorelease];
 561     if (function == nil)
 562         closer_ = nil;
 563     else
 564         closer_ = [function retain];
 565 }
 566
 567 - (void) _setViewportWidth {
 568     [[webview_ _documentView] setViewportSize:CGSizeMake(width_, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x10];
 569 }
 570
 571 - (void) setViewportWidth:(float)width {
 572     width_ = width != 0 ? width : [[self class] defaultWidth];
 573     [self _setViewportWidth];
 574 }
 575
 576 - (void) webViewUpdateViewSettings:(UIWebView *)view {
 577     [self _setViewportWidth];
 578 }
 579
 580 - (void) _openMailToURL:(NSURL *)url {
 581     [[UIApplication sharedApplication] openURL:url];// asPanel:YES];
 582 }
 583
 584 - (bool) _allowJavaScriptPanel {
 585     return true;
 586 }
 587
 588 - (void) _didFailWithError:(NSError *)error forFrame:(WebFrame *)frame {
 589     [loading_ removeObject:[NSValue valueWithNonretainedObject:frame]];
 590     [self _didFinishLoading];
 591
 592     if ([error code] == NSURLErrorCancelled)
 593         return;
 594
 595     if ([frame parentFrame] == nil) {
 596         [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@?%@",
 597             [[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"error" ofType:@"html"]] absoluteString],
 598             [[error localizedDescription] stringByAddingPercentEscapes]
 599         ]]];
 600
 601         error_ = true;
 602     }
 603 }
 604
 605 // CYWebViewDelegate {{{
 606 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 607 #if LogBrowser
 608     NSLog(@"decidePolicyForNavigationAction:%@ request:%@ frame:%@", action, request, frame);
 609 #endif
 610
 611     if ([frame parentFrame] == nil) {
 612         if (!error_) {
 613             if (request_ != nil)
 614                 [request_ autorelease];
 615             if (request == nil)
 616                 request_ = nil;
 617             else
 618                 request_ = [request retain];
 619         }
 620     }
 621 }
 622
 623 - (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 624 #if LogBrowser
 625     NSLog(@"decidePolicyForNewWindowAction:%@ request:%@ newFrameName:%@", action, request, frame);
 626 #endif
 627
 628     NSURL *url([request URL]);
 629     if (url == nil)
 630         return;
 631
 632     if ([frame isEqualToString:@"_open"])
 633         [delegate_ openURL:url];
 634
 635     NSString *scheme([[url scheme] lowercaseString]);
 636     if ([scheme isEqualToString:@"mailto"])
 637         [self _openMailToURL:url];
 638
 639     CYViewController *page([delegate_ pageForURL:url hasTag:NULL]);
 640
 641     if (page == nil) {
 642         BrowserController *browser([[[class_ alloc] init] autorelease]);
 643         [browser loadRequest:request];
 644         page = browser;
 645     }
 646
 647     [page setDelegate:delegate_];
 648
 649     if (![frame isEqualToString:@"_popup"]) {
 650         [[self navigationItem] setTitle:title_];
 651
 652         [[self navigationController] pushViewController:page animated:YES];
 653     } else {
 654         UCNavigationController *navigation([[[UCNavigationController alloc] init] autorelease]);
 655
 656         [navigation setHook:indirect_];
 657         [navigation setDelegate:delegate_];
 658
 659         [navigation setViewControllers:[NSArray arrayWithObject:page]];
 660
 661         [[page navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
 662             initWithTitle:UCLocalize("CLOSE")
 663             style:UIBarButtonItemStylePlain
 664             target:page
 665             action:@selector(close)
 666         ] autorelease]];
 667
 668         [[self navigationController] presentModalViewController:navigation animated:YES];
 669     }
 670
 671     [listener ignore];
 672 }
 673
 674 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 675 }
 676
 677 - (void) webView:(WebView *)view didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 678 #if LogBrowser
 679     NSLog(@"didFailLoadWithError:%@ forFrame:%@", error, frame);
 680 #endif
 681
 682     [self _didFailWithError:error forFrame:frame];
 683 }
 684
 685 - (void) webView:(WebView *)view didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 686 #if LogBrowser
 687     NSLog(@"didFailProvisionalLoadWithError:%@ forFrame:%@", error, frame);
 688 #endif
 689
 690     [self _didFailWithError:error forFrame:frame];
 691 }
 692
 693 - (void) webView:(WebView *)view didFinishLoadForFrame:(WebFrame *)frame {
 694     [loading_ removeObject:[NSValue valueWithNonretainedObject:frame]];
 695
 696     if ([frame parentFrame] == nil) {
 697         if (DOMDocument *document = [frame DOMDocument])
 698             if (DOMNodeList<NSFastEnumeration> *bodies = [document getElementsByTagName:@"body"])
 699                 for (DOMHTMLBodyElement *body in (id) bodies) {
 700                     DOMCSSStyleDeclaration *style([document getComputedStyle:body pseudoElement:nil]);
 701
 702                     bool colored(false);
 703
 704                     if (DOMCSSPrimitiveValue *color = static_cast<DOMCSSPrimitiveValue *>([style getPropertyCSSValue:@"background-color"])) {
 705                         if ([color primitiveType] == DOM_CSS_RGBCOLOR) {
 706                             DOMRGBColor *rgb([color getRGBColorValue]);
 707
 708                             float red([[rgb red] getFloatValue:DOM_CSS_NUMBER]);
 709                             float green([[rgb green] getFloatValue:DOM_CSS_NUMBER]);
 710                             float blue([[rgb blue] getFloatValue:DOM_CSS_NUMBER]);
 711                             float alpha([[rgb alpha] getFloatValue:DOM_CSS_NUMBER]);
 712
 713                             UIColor *uic(nil);
 714
 715                             if (red == 0xc7 && green == 0xce && blue == 0xd5)
 716                                 uic = [UIColor groupTableViewBackgroundColor];
 717                             else if (alpha != 0)
 718                                 uic = [UIColor
 719                                     colorWithRed:(red / 255)
 720                                     green:(green / 255)
 721                                     blue:(blue / 255)
 722                                     alpha:alpha
 723                                 ];
 724
 725                             if (uic != nil) {
 726                                 colored = true;
 727                                 [scroller_ setBackgroundColor:uic];
 728                             }
 729                         }
 730                     }
 731
 732                     if (!colored)
 733                         [scroller_ setBackgroundColor:[UIColor groupTableViewBackgroundColor]];
 734                     break;
 735                 }
 736     }
 737
 738     [self _didFinishLoading];
 739 }
 740
 741 - (void) webView:(WebView *)view didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 742     if ([frame parentFrame] != nil)
 743         return;
 744
 745     if (title_ != nil)
 746         [title_ autorelease];
 747     title_ = [title retain];
 748
 749     [[self navigationItem] setTitle:title_];
 750 }
 751
 752 - (void) webView:(WebView *)view didStartProvisionalLoadForFrame:(WebFrame *)frame {
 753     [loading_ addObject:[NSValue valueWithNonretainedObject:frame]];
 754
 755     if ([frame parentFrame] == nil) {
 756         CYRelease(title_);
 757         CYRelease(custom_);
 758         CYRelease(style_);
 759         CYRelease(function_);
 760         CYRelease(closer_);
 761
 762         // XXX: do we still need to do this?
 763         [[self navigationItem] setTitle:nil];
 764     }
 765
 766     [self _didStartLoading];
 767 }
 768
 769 - (NSURLRequest *) webView:(WebView *)view resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
 770 #if LogBrowser
 771     NSLog(@"resource:%@ willSendRequest:%@ redirectResponse:%@ fromDataSource:%@", identifier, request, response, source);
 772 #endif
 773
 774     return request;
 775 }
 776
 777 - (bool) webView:(WebView *)view shouldRunJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 778     return [self _allowJavaScriptPanel];
 779 }
 780
 781 - (bool) webView:(WebView *)view shouldRunJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 782     return [self _allowJavaScriptPanel];
 783 }
 784
 785 - (bool) webView:(WebView *)view shouldRunJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)text initiatedByFrame:(WebFrame *)frame {
 786     return [self _allowJavaScriptPanel];
 787 }
 788
 789 - (void) webViewClose:(WebView *)view {
 790     [self close];
 791 }
 792 // }}}
 793
 794 - (void) close {
 795     [[self navigationController] dismissModalViewControllerAnimated:YES];
 796 }
 797
 798 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
 799     NSString *context([alert context]);
 800
 801     if ([context isEqualToString:@"sensitive"]) {
 802         switch (button) {
 803             case 1:
 804                 sensitive_ = [NSNumber numberWithBool:YES];
 805             break;
 806
 807             case 2:
 808                 sensitive_ = [NSNumber numberWithBool:NO];
 809             break;
 810         }
 811
 812         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 813     } else if ([context isEqualToString:@"challenge"]) {
 814         id<NSURLAuthenticationChallengeSender> sender([challenge_ sender]);
 815
 816         switch (button) {
 817             case 1: {
 818                 NSString *username([[alert textFieldAtIndex:0] text]);
 819                 NSString *password([[alert textFieldAtIndex:1] text]);
 820
 821                 NSURLCredential *credential([NSURLCredential credentialWithUser:username password:password persistence:NSURLCredentialPersistenceForSession]);
 822
 823                 [sender useCredential:credential forAuthenticationChallenge:challenge_];
 824             } break;
 825
 826             case 2:
 827                 [sender cancelAuthenticationChallenge:challenge_];
 828             break;
 829
 830             _nodefault
 831         }
 832
 833         [challenge_ release];
 834         challenge_ = nil;
 835
 836         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 837     } else if ([context isEqualToString:@"submit"]) {
 838         switch (button) {
 839             case 1:
 840             break;
 841
 842             case 2:
 843                 if (request_ != nil) {
 844                     WebThreadLock();
 845                     [webview_ loadRequest:request_];
 846                     WebThreadUnlock();
 847                 }
 848             break;
 849
 850             _nodefault
 851         }
 852
 853         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 854     }
 855 }
 856
 857 - (UIBarButtonItemStyle) rightButtonStyle {
 858     if (style_ == nil) normal:
 859         return UIBarButtonItemStylePlain;
 860     else if ([style_ isEqualToString:@"Normal"])
 861         return UIBarButtonItemStylePlain;
 862     else if ([style_ isEqualToString:@"Highlighted"])
 863         return UIBarButtonItemStyleDone;
 864     else goto normal;
 865 }
 866
 867 - (UIBarButtonItem *) customButton {
 868     return [[[UIBarButtonItem alloc]
 869         initWithTitle:custom_
 870         style:[self rightButtonStyle]
 871         target:self
 872         action:@selector(customButtonClicked)
 873     ] autorelease];
 874 }
 875
 876 - (UIBarButtonItem *) rightButton {
 877     return reloaditem_;
 878 }
 879
 880 - (void) applyLoadingTitle {
 881     [[self navigationItem] setTitle:UCLocalize("LOADING")];
 882 }
 883
 884 - (void) layoutRightButton {
 885     [[loadingitem_ view] addSubview:indicator_];
 886     [[loadingitem_ view] bringSubviewToFront:indicator_];
 887 }
 888
 889 - (void) applyRightButton {
 890     if ([self isLoading]) {
 891         [[self navigationItem] setRightBarButtonItem:loadingitem_ animated:YES];
 892         [self performSelector:@selector(layoutRightButton) withObject:nil afterDelay:0];
 893
 894         [indicator_ startAnimating];
 895         [self applyLoadingTitle];
 896     } else {
 897         [indicator_ stopAnimating];
 898
 899         [[self navigationItem] setRightBarButtonItem:(
 900             custom_ != nil ? [self customButton] : [self rightButton]
 901         ) animated:YES];
 902     }
 903 }
 904
 905 - (void) _didStartLoading {
 906     [self applyRightButton];
 907 }
 908
 909 - (void) _didFinishLoading {
 910     if ([loading_ count] != 0)
 911         return;
 912
 913     [self applyRightButton];
 914
 915     // XXX: wtf?
 916     if (![self isLoading])
 917         [[self navigationItem] setTitle:title_];
 918 }
 919
 920 - (bool) isLoading {
 921     return [loading_ count] != 0;
 922 }
 923
 924 - (id) initWithWidth:(float)width ofClass:(Class)_class {
 925     if ((self = [super init]) != nil) {
 926         class_ = _class;
 927         loading_ = [[NSMutableSet alloc] initWithCapacity:5];
 928
 929         indirect_ = [[IndirectDelegate alloc] initWithDelegate:self];
 930
 931         webview_ = [[[CYWebView alloc] initWithFrame:[[self view] bounds]] autorelease];
 932         [webview_ setDelegate:self];
 933         [self setView:webview_];
 934
 935         if ([webview_ respondsToSelector:@selector(setDataDetectorTypes:)])
 936             [webview_ setDataDetectorTypes:UIDataDetectorTypeAutomatic];
 937         else
 938             [webview_ setDetectsPhoneNumbers:NO];
 939
 940         [webview_ setScalesPageToFit:YES];
 941
 942         UIWebDocumentView *document([webview_ _documentView]);
 943
 944         // XXX: I think this improves scrolling; the hardcoded-ness sucks
 945         [document setTileSize:CGSizeMake(320, 500)];
 946
 947         [document setBackgroundColor:[UIColor clearColor]];
 948
 949         // XXX: this is terribly (too?) expensive
 950         [document setDrawsBackground:NO];
 951
 952         WebView *webview([document webView]);
 953         WebPreferences *preferences([webview preferences]);
 954
 955         // XXX: I have no clue if I actually /want/ this modification
 956         if ([webview respondsToSelector:@selector(_setLayoutInterval:)])
 957             [webview _setLayoutInterval:0];
 958         else if ([preferences respondsToSelector:@selector(_setLayoutInterval:)])
 959             [preferences _setLayoutInterval:0];
 960
 961         [preferences setCacheModel:WebCacheModelDocumentBrowser];
 962         [preferences setOfflineWebApplicationCacheEnabled:YES];
 963
 964         if ([webview_ respondsToSelector:@selector(_scrollView)]) {
 965             scroller_ = [webview_ _scrollView];
 966
 967             [scroller_ setDirectionalLockEnabled:YES];
 968             [scroller_ setDecelerationRate:CYScrollViewDecelerationRateNormal];
 969             [scroller_ setDelaysContentTouches:NO];
 970
 971             [scroller_ setCanCancelContentTouches:YES];
 972         } else if ([webview_ respondsToSelector:@selector(_scroller)]) {
 973             UIScroller *scroller([webview_ _scroller]);
 974             scroller_ = (UIScrollView *) scroller;
 975
 976             [scroller setDirectionalScrolling:YES];
 977             // XXX: we might be better off /not/ setting this on older systems
 978             [scroller setScrollDecelerationFactor:CYScrollViewDecelerationRateNormal]; /* 0.989324 */
 979             [scroller setScrollHysteresis:0]; /* 8 */
 980
 981             [scroller setThumbDetectionEnabled:NO];
 982
 983             // use NO with UIApplicationUseLegacyEvents(YES)
 984             [scroller setEventMode:YES];
 985
 986             // XXX: this is handled by setBounces, right?
 987             //[scroller setAllowsRubberBanding:YES];
 988         }
 989
 990         [scroller_ setFixedBackgroundPattern:YES];
 991         [scroller_ setBackgroundColor:[UIColor groupTableViewBackgroundColor]];
 992         [scroller_ setClipsSubviews:YES];
 993
 994         [scroller_ setBounces:YES];
 995         [scroller_ setScrollingEnabled:YES];
 996         [scroller_ setShowBackgroundShadow:NO];
 997
 998         [self setViewportWidth:width];
 999
1000         reloaditem_ = [[UIBarButtonItem alloc]
1001             initWithTitle:UCLocalize("RELOAD")
1002             style:[self rightButtonStyle]
1003             target:self
1004             action:@selector(reloadButtonClicked)
1005         ];
1006
1007         loadingitem_ = [[UIBarButtonItem alloc]
1008             initWithTitle:@" "
1009             style:UIBarButtonItemStylePlain
1010             target:self
1011             action:@selector(reloadButtonClicked)
1012         ];
1013
1014         indicator_ = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite];
1015         [indicator_ setFrame:CGRectMake(15, 5, [indicator_ frame].size.width, [indicator_ frame].size.height)];
1016
1017         [webview_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
1018         [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
1019     } return self;
1020 }
1021
1022 - (id) initWithWidth:(float)width {
1023     return [self initWithWidth:width ofClass:[self class]];
1024 }
1025
1026 - (id) init {
1027     return [self initWithWidth:0];
1028 }
1029
1030 - (void) didDismissModalViewController {
1031     if (closer_ != nil)
1032         [self callFunction:closer_];
1033 }
1034
1035 - (void) callFunction:(WebScriptObject *)function {
1036     WebThreadLock();
1037
1038     WebView *webview([[webview_ _documentView] webView]);
1039     WebFrame *frame([webview mainFrame]);
1040     WebPreferences *preferences([webview preferences]);
1041
1042     bool maybe([preferences javaScriptCanOpenWindowsAutomatically]);
1043     [preferences setJavaScriptCanOpenWindowsAutomatically:NO];
1044
1045     /*id _private(MSHookIvar<id>(webview, "_private"));
1046     WebCore::Page *page(_private == nil ? NULL : MSHookIvar<WebCore::Page *>(_private, "page"));
1047     WebCore::Settings *settings(page == NULL ? NULL : page->settings());
1048
1049     bool no;
1050     if (settings == NULL)
1051         no = 0;
1052     else {
1053         no = settings->JavaScriptCanOpenWindowsAutomatically();
1054         settings->setJavaScriptCanOpenWindowsAutomatically(true);
1055     }*/
1056
1057     if (UIWindow *window = [[self view] window])
1058         if (UIResponder *responder = [window firstResponder])
1059             [responder resignFirstResponder];
1060
1061     JSObjectRef object([function JSObject]);
1062     JSGlobalContextRef context([frame globalContext]);
1063     JSObjectCallAsFunction(context, object, NULL, 0, NULL, NULL);
1064
1065     /*if (settings != NULL)
1066         settings->setJavaScriptCanOpenWindowsAutomatically(no);*/
1067
1068     [preferences setJavaScriptCanOpenWindowsAutomatically:maybe];
1069
1070     WebThreadUnlock();
1071 }
1072
1073 - (void) reloadButtonClicked {
1074     [self reloadURL];
1075 }
1076
1077 - (void) _customButtonClicked {
1078     [self reloadButtonClicked];
1079 }
1080
1081 - (void) customButtonClicked {
1082 #if !AlwaysReload
1083     if (function_ != nil)
1084         [self callFunction:function_];
1085     else
1086 #endif
1087     [self _customButtonClicked];
1088 }
1089
1090 + (float) defaultWidth {
1091     return 980;
1092 }
1093
1094 @end