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     NSLog(@"createWebViewWithRequest:%@", request);
 215     WebView *created(nil); // XXX
 216     if (created == nil && [UIWebView instancesRespondToSelector:@selector(webView:createWebViewWithRequest:)])
 217         return [super webView:view createWebViewWithRequest:request];
 218     else
 219         return created;
 220 }*/
 221
 222 // webView:decidePolicyForNavigationAction:request:frame:decisionListener: (2.0+) {{{
 223 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 224     id<CYWebViewDelegate> delegate([self delegate]);
 225     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 226     if (![mediator decided] && [delegate respondsToSelector:@selector(webView:decidePolicyForNavigationAction:request:frame:decisionListener:)])
 227         [delegate webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 228     if (![mediator decided] && [UIWebView instancesRespondToSelector:@selector(webView:decidePolicyForNavigationAction:request:frame:decisionListener:)])
 229         [super webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 230     [mediator decide];
 231 }
 232 // }}}
 233 // webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener: (3.0+) {{{
 234 static void $UIWebViewWebViewDelegate$webView$decidePolicyForNewWindowAction$request$newFrameName$decisionListener$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSDictionary *action, NSURLRequest *request, NSString *frame, id<WebPolicyDecisionListener> listener) {
 235     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 236     if ([uiWebView respondsToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 237         [uiWebView webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:listener];
 238 }
 239
 240 - (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 241     id<CYWebViewDelegate> delegate([self delegate]);
 242     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 243     if (![mediator decided] && [delegate respondsToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 244         [delegate webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 245     if (![mediator decided] && [UIWebView instancesRespondToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 246         [super webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 247     [mediator decide];
 248 }
 249 // }}}
 250 // webView:didClearWindowObject:forFrame: (3.2+) {{{
 251 static void $UIWebViewWebViewDelegate$webView$didClearWindowObject$forFrame$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, WebScriptObject *window, WebFrame *frame) {
 252     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 253     if ([uiWebView respondsToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 254         [uiWebView webView:view didClearWindowObject:window forFrame:frame];
 255 }
 256
 257 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 258     id<CYWebViewDelegate> delegate([self delegate]);
 259     if ([delegate respondsToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 260         [delegate webView:view didClearWindowObject:window forFrame:frame];
 261     if ([UIWebView instancesRespondToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 262         [super webView:view didClearWindowObject:window forFrame:frame];
 263 }
 264 // }}}
 265 // webView:didFailLoadWithError:forFrame: (2.0+) {{{
 266 - (void) webView:(WebView *)view didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 267     id<CYWebViewDelegate> delegate([self delegate]);
 268     if ([delegate respondsToSelector:@selector(webView:didFailLoadWithError:forFrame:)])
 269         [delegate webView:view didFailLoadWithError:error forFrame:frame];
 270     if ([UIWebView instancesRespondToSelector:@selector(webView:didFailLoadWithError:forFrame:)])
 271         [super webView:view didFailLoadWithError:error forFrame:frame];
 272 }
 273 // }}}
 274 // webView:didFailProvisionalLoadWithError:forFrame: (2.0+) {{{
 275 - (void) webView:(WebView *)view didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 276     id<CYWebViewDelegate> delegate([self delegate]);
 277     if ([delegate respondsToSelector:@selector(webView:didFailProvisionalLoadWithError:forFrame:)])
 278         [delegate webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 279     if ([UIWebView instancesRespondToSelector:@selector(webView:didFailProvisionalLoadWithError:forFrame:)])
 280         [super webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 281 }
 282 // }}}
 283 // webView:didFinishLoadForFrame: (2.0+) {{{
 284 - (void) webView:(WebView *)view didFinishLoadForFrame:(WebFrame *)frame {
 285     id<CYWebViewDelegate> delegate([self delegate]);
 286     if ([delegate respondsToSelector:@selector(webView:didFinishLoadForFrame:)])
 287         [delegate webView:view didFinishLoadForFrame:frame];
 288     if ([UIWebView instancesRespondToSelector:@selector(webView:didFinishLoadForFrame:)])
 289         [super webView:view didFinishLoadForFrame:frame];
 290 }
 291 // }}}
 292 // webView:didReceiveTitle:forFrame: (3.2+) {{{
 293 static void $UIWebViewWebViewDelegate$webView$didReceiveTitle$forFrame$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSString *title, WebFrame *frame) {
 294     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 295     if ([uiWebView respondsToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 296         [uiWebView webView:view didReceiveTitle:title forFrame:frame];
 297 }
 298
 299 - (void) webView:(WebView *)view didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 300     id<CYWebViewDelegate> delegate([self delegate]);
 301     if ([delegate respondsToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 302         [delegate webView:view didReceiveTitle:title forFrame:frame];
 303     if ([UIWebView instancesRespondToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 304         [super webView:view didReceiveTitle:title forFrame:frame];
 305 }
 306 // }}}
 307 // webView:didStartProvisionalLoadForFrame: (2.0+) {{{
 308 - (void) webView:(WebView *)view didStartProvisionalLoadForFrame:(WebFrame *)frame {
 309     id<CYWebViewDelegate> delegate([self delegate]);
 310     if ([delegate respondsToSelector:@selector(webView:didStartProvisionalLoadForFrame:)])
 311         [delegate webView:view didStartProvisionalLoadForFrame:frame];
 312     if ([UIWebView instancesRespondToSelector:@selector(webView:didStartProvisionalLoadForFrame:)])
 313         [super webView:view didStartProvisionalLoadForFrame:frame];
 314 }
 315 // }}}
 316 // webView:resource:willSendRequest:redirectResponse:fromDataSource: (3.2+) {{{
 317 static NSURLRequest *$UIWebViewWebViewDelegate$webView$resource$willSendRequest$redirectResponse$fromDataSource$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, id identifier, NSURLRequest *request, NSURLResponse *response, WebDataSource *source) {
 318     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 319     if ([uiWebView respondsToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 320         return [uiWebView webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 321     else
 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: (2.2+) {{{
 335 - (void) webView:(WebView *)view runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 336     id<CYWebViewDelegate> delegate([self delegate]);
 337     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame:)])
 338         // XXX: check delegate
 339         if ([delegate webView:view shouldRunJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame])
 340             [super webView:view runJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame];
 341 }
 342 // }}}
 343 // webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame: (2.2+) {{{
 344 - (BOOL) webView:(WebView *)view runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 345     id<CYWebViewDelegate> delegate([self delegate]);
 346     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame:)])
 347         // XXX: check delegate
 348         if ([delegate webView:view shouldRunJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame])
 349             return [super webView:view runJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame];
 350     return NO;
 351 }
 352 // }}}
 353 // webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame: (2.2+) {{{
 354 - (NSString *) webView:(WebView *)view runJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)text initiatedByFrame:(WebFrame *)frame {
 355     id<CYWebViewDelegate> delegate([self delegate]);
 356     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:)])
 357         // XXX: check delegate
 358         if ([delegate webView:view shouldRunJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame])
 359             return [super webView:view runJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame];
 360     return nil;
 361 }
 362 // }}}
 363 // webViewClose: (3.2+) {{{
 364 static void $UIWebViewWebViewDelegate$webViewClose$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view) {
 365     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 366     if ([uiWebView respondsToSelector:@selector(webViewClose:)])
 367         [uiWebView webViewClose:view];
 368 }
 369
 370 - (void) webViewClose:(WebView *)view {
 371     id<CYWebViewDelegate> delegate([self delegate]);
 372     if ([delegate respondsToSelector:@selector(webViewClose:)])
 373         [delegate webViewClose:view];
 374     if ([UIWebView instancesRespondToSelector:@selector(webViewClose:)])
 375         [super webViewClose:view];
 376 }
 377 // }}}
 378
 379 + (void) initialize {
 380     if (Class $UIWebViewWebViewDelegate = objc_getClass("UIWebViewWebViewDelegate")) {
 381         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:), (IMP) &$UIWebViewWebViewDelegate$webView$decidePolicyForNewWindowAction$request$newFrameName$decisionListener$, "v28@0:4@8@12@16@20@24");
 382         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didClearWindowObject:forFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didClearWindowObject$forFrame$, "v20@0:4@8@12@16");
 383         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didReceiveTitle:forFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didReceiveTitle$forFrame$, "v20@0:4@8@12@16");
 384         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:), (IMP) &$UIWebViewWebViewDelegate$webView$resource$willSendRequest$redirectResponse$fromDataSource$, "@28@0:4@8@12@16@20@24");
 385         class_addMethod($UIWebViewWebViewDelegate, @selector(webViewClose:), (IMP) &$UIWebViewWebViewDelegate$webViewClose$, "v12@0:4@8");
 386     }
 387 }
 388
 389 @end
 390
 391 #define ShowInternals 0
 392 #define LogBrowser 1
 393
 394 #define lprintf(args...) fprintf(stderr, args)
 395
 396 @implementation BrowserController
 397
 398 #if ShowInternals
 399 #include "UICaboodle/UCInternal.h"
 400 #endif
 401
 402 + (void) _initialize {
 403     [WebPreferences _setInitialDefaultTextEncodingToSystemEncoding];
 404
 405     if (float *_UIScrollViewDecelerationRateNormal = reinterpret_cast<float *>(dlsym(RTLD_DEFAULT, "UIScrollViewDecelerationRateNormal")))
 406         CYScrollViewDecelerationRateNormal = *_UIScrollViewDecelerationRateNormal;
 407     else // XXX: this actually might be fast on some older systems: we should look into this
 408         CYScrollViewDecelerationRateNormal = 0.998;
 409 }
 410
 411 - (void) dealloc {
 412 #if LogBrowser
 413     NSLog(@"[BrowserController dealloc]");
 414 #endif
 415
 416     [webview_ setDelegate:nil];
 417
 418     [indirect_ setDelegate:nil];
 419     [indirect_ release];
 420
 421     if (challenge_ != nil)
 422         [challenge_ release];
 423
 424     //NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
 425
 426     if (custom_ != nil)
 427         [custom_ release];
 428     if (style_ != nil)
 429         [style_ release];
 430
 431     if (function_ != nil)
 432         [function_ release];
 433     if (closer_ != nil)
 434         [closer_ release];
 435
 436     if (sensitive_ != nil)
 437         [sensitive_ release];
 438     if (title_ != nil)
 439         [title_ release];
 440
 441     [reloaditem_ release];
 442     [loadingitem_ release];
 443
 444     [indicator_ release];
 445
 446     [super dealloc];
 447 }
 448
 449 - (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
 450     [self loadRequest:[NSURLRequest
 451         requestWithURL:url
 452         cachePolicy:policy
 453         timeoutInterval:120.0
 454     ]];
 455 }
 456
 457 - (void) loadURL:(NSURL *)url {
 458     [self loadURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy];
 459 }
 460
 461 - (void) loadRequest:(NSURLRequest *)request {
 462 #if LogBrowser
 463     NSLog(@"loadRequest:%@", request);
 464 #endif
 465
 466     error_ = false;
 467
 468     WebThreadLock();
 469     [webview_ loadRequest:request];
 470     WebThreadUnlock();
 471 }
 472
 473 - (void) reloadURL {
 474     if (request_ == nil)
 475         return;
 476
 477     if ([request_ HTTPBody] == nil && [request_ HTTPBodyStream] == nil)
 478         [self loadRequest:request_];
 479     else {
 480         UIAlertView *alert = [[[UIAlertView alloc]
 481             initWithTitle:UCLocalize("RESUBMIT_FORM")
 482             message:nil
 483             delegate:self
 484             cancelButtonTitle:UCLocalize("CANCEL")
 485             otherButtonTitles:UCLocalize("SUBMIT"), nil
 486         ] autorelease];
 487
 488         [alert setContext:@"submit"];
 489         [alert show];
 490     }
 491 }
 492
 493 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 494     if (custom_ != nil)
 495         [custom_ autorelease];
 496     custom_ = button == nil ? nil : [[UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:button]]] retain];
 497
 498     if (style_ != nil)
 499         [style_ autorelease];
 500     style_ = style == nil ? nil : [style retain];
 501
 502     if (function_ != nil)
 503         [function_ autorelease];
 504     function_ = function == nil ? nil : [function retain];
 505
 506     [self applyRightButton];
 507 }
 508
 509 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 510     if (custom_ != nil)
 511         [custom_ autorelease];
 512     custom_ = button == nil ? nil : [button retain];
 513
 514     if (style_ != nil)
 515         [style_ autorelease];
 516     style_ = style == nil ? nil : [style retain];
 517
 518     if (function_ != nil)
 519         [function_ autorelease];
 520     function_ = function == nil ? nil : [function retain];
 521
 522     [self applyRightButton];
 523 }
 524
 525 - (void) setPopupHook:(id)function {
 526     if (closer_ != nil)
 527         [closer_ autorelease];
 528     closer_ = function == nil ? nil : [function retain];
 529 }
 530
 531 - (void) setViewportWidth:(float)width {
 532     width_ = width != 0 ? width : [[self class] defaultWidth];
 533     [[webview_ _documentView] setViewportSize:CGSizeMake(width_, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x10];
 534 }
 535
 536 - (void) _openMailToURL:(NSURL *)url {
 537     [[UIApplication sharedApplication] openURL:url];// asPanel:YES];
 538 }
 539
 540 - (bool) _allowJavaScriptPanel {
 541     return true;
 542 }
 543
 544 - (void) _didFailWithError:(NSError *)error forFrame:(WebFrame *)frame {
 545     [loading_ removeObject:[NSValue valueWithNonretainedObject:frame]];
 546     [self _didFinishLoading];
 547
 548     if ([error code] == NSURLErrorCancelled)
 549         return;
 550
 551     if ([frame parentFrame] == nil) {
 552         [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@?%@",
 553             [[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"error" ofType:@"html"]] absoluteString],
 554             [[error localizedDescription] stringByAddingPercentEscapes]
 555         ]]];
 556
 557         error_ = true;
 558     }
 559 }
 560
 561 // CYWebViewDelegate {{{
 562 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 563 #if LogBrowser
 564     NSLog(@"decidePolicyForNavigationAction:%@ request:%@ frame:%@", action, request, frame);
 565 #endif
 566
 567     if (!error_ && [frame parentFrame] == nil) {
 568         if (request_ != nil)
 569             [request_ autorelease];
 570         if (request == nil)
 571             request_ = nil;
 572         else
 573             request_ = [request retain];
 574     }
 575 }
 576
 577 - (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 578 #if LogBrowser
 579     NSLog(@"decidePolicyForNewWindowAction:%@ request:%@ newFrameName:%@", action, request, frame);
 580 #endif
 581
 582     NSURL *url([request URL]);
 583     if (url == nil)
 584         return;
 585
 586     if ([frame isEqualToString:@"_open"])
 587         [delegate_ openURL:url];
 588
 589     NSString *scheme([[url scheme] lowercaseString]);
 590     if ([scheme isEqualToString:@"mailto"])
 591         [self _openMailToURL:url];
 592
 593     CYViewController *page([delegate_ pageForURL:url hasTag:NULL]);
 594
 595     if (page == nil) {
 596         BrowserController *browser([[[class_ alloc] init] autorelease]);
 597         [browser loadRequest:request];
 598         page = browser;
 599     }
 600
 601     [page setDelegate:delegate_];
 602
 603     if (![frame isEqualToString:@"_popup"]) {
 604         [[self navigationItem] setTitle:title_];
 605
 606         [[self navigationController] pushViewController:page animated:YES];
 607     } else {
 608         UCNavigationController *navigation([[[UCNavigationController alloc] init] autorelease]);
 609
 610         [navigation setHook:indirect_];
 611         [navigation setDelegate:delegate_];
 612
 613         [navigation setViewControllers:[NSArray arrayWithObject:page]];
 614
 615         [[page navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
 616             initWithTitle:UCLocalize("CLOSE")
 617             style:UIBarButtonItemStylePlain
 618             target:page
 619             action:@selector(close)
 620         ] autorelease]];
 621
 622         [[self navigationController] presentModalViewController:navigation animated:YES];
 623     }
 624
 625     [listener ignore];
 626 }
 627
 628 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 629 }
 630
 631 - (void) webView:(WebView *)view didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 632 #if LogBrowser
 633     NSLog(@"didFailLoadWithError:%@ forFrame:%@", error, frame);
 634 #endif
 635
 636     [self _didFailWithError:error forFrame:frame];
 637 }
 638
 639 - (void) webView:(WebView *)view didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 640 #if LogBrowser
 641     NSLog(@"didFailProvisionalLoadWithError:%@ forFrame:%@", error, frame);
 642 #endif
 643
 644     [self _didFailWithError:error forFrame:frame];
 645 }
 646
 647 - (void) webView:(WebView *)view didFinishLoadForFrame:(WebFrame *)frame {
 648     [loading_ removeObject:[NSValue valueWithNonretainedObject:frame]];
 649
 650     if ([frame parentFrame] == nil) {
 651         if (DOMDocument *document = [frame DOMDocument])
 652             if (DOMNodeList<NSFastEnumeration> *bodies = [document getElementsByTagName:@"body"])
 653                 for (DOMHTMLBodyElement *body in (id) bodies) {
 654                     DOMCSSStyleDeclaration *style([document getComputedStyle:body pseudoElement:nil]);
 655
 656                     bool colored(false);
 657
 658                     if (DOMCSSPrimitiveValue *color = static_cast<DOMCSSPrimitiveValue *>([style getPropertyCSSValue:@"background-color"])) {
 659                         if ([color primitiveType] == DOM_CSS_RGBCOLOR) {
 660                             DOMRGBColor *rgb([color getRGBColorValue]);
 661
 662                             float red([[rgb red] getFloatValue:DOM_CSS_NUMBER]);
 663                             float green([[rgb green] getFloatValue:DOM_CSS_NUMBER]);
 664                             float blue([[rgb blue] getFloatValue:DOM_CSS_NUMBER]);
 665                             float alpha([[rgb alpha] getFloatValue:DOM_CSS_NUMBER]);
 666
 667                             UIColor *uic(nil);
 668
 669                             if (red == 0xc7 && green == 0xce && blue == 0xd5)
 670                                 uic = [UIColor groupTableViewBackgroundColor];
 671                             else if (alpha != 0)
 672                                 uic = [UIColor
 673                                     colorWithRed:(red / 255)
 674                                     green:(green / 255)
 675                                     blue:(blue / 255)
 676                                     alpha:alpha
 677                                 ];
 678
 679                             if (uic != nil) {
 680                                 colored = true;
 681                                 [scroller_ setBackgroundColor:uic];
 682                             }
 683                         }
 684                     }
 685
 686                     if (!colored)
 687                         [scroller_ setBackgroundColor:[UIColor groupTableViewBackgroundColor]];
 688                     break;
 689                 }
 690     }
 691
 692     [self _didFinishLoading];
 693 }
 694
 695 - (void) webView:(WebView *)view didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 696     if ([frame parentFrame] != nil)
 697         return;
 698
 699     title_ = [title retain];
 700     [[self navigationItem] setTitle:title_];
 701 }
 702
 703 - (void) webView:(WebView *)view didStartProvisionalLoadForFrame:(WebFrame *)frame {
 704     [loading_ addObject:[NSValue valueWithNonretainedObject:frame]];
 705
 706     if ([frame parentFrame] == nil) {
 707         CYRelease(title_);
 708         CYRelease(custom_);
 709         CYRelease(style_);
 710         CYRelease(function_);
 711         CYRelease(closer_);
 712
 713         // XXX: do we still need to do this?
 714         [[self navigationItem] setTitle:nil];
 715     }
 716
 717     [self _didStartLoading];
 718 }
 719
 720 - (NSURLRequest *) webView:(WebView *)view resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
 721 #if LogBrowser
 722     NSLog(@"resource:%@ willSendRequest:%@ redirectResponse:%@ fromDataSource:%@", identifier, request, response, source);
 723 #endif
 724
 725     return request;
 726 }
 727
 728 - (bool) webView:(WebView *)view shouldRunJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 729     return [self _allowJavaScriptPanel];
 730 }
 731
 732 - (bool) webView:(WebView *)view shouldRunJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 733     return [self _allowJavaScriptPanel];
 734 }
 735
 736 - (bool) webView:(WebView *)view shouldRunJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)text initiatedByFrame:(WebFrame *)frame {
 737     return [self _allowJavaScriptPanel];
 738 }
 739
 740 - (void) webViewClose:(WebView *)view {
 741     [self close];
 742 }
 743 // }}}
 744
 745 - (void) close {
 746     [[self navigationController] dismissModalViewControllerAnimated:YES];
 747 }
 748
 749 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
 750     NSString *context([alert context]);
 751
 752     if ([context isEqualToString:@"sensitive"]) {
 753         switch (button) {
 754             case 1:
 755                 sensitive_ = [NSNumber numberWithBool:YES];
 756             break;
 757
 758             case 2:
 759                 sensitive_ = [NSNumber numberWithBool:NO];
 760             break;
 761         }
 762
 763         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 764     } else if ([context isEqualToString:@"challenge"]) {
 765         id<NSURLAuthenticationChallengeSender> sender([challenge_ sender]);
 766
 767         switch (button) {
 768             case 1: {
 769                 NSString *username([[alert textFieldAtIndex:0] text]);
 770                 NSString *password([[alert textFieldAtIndex:1] text]);
 771
 772                 NSURLCredential *credential([NSURLCredential credentialWithUser:username password:password persistence:NSURLCredentialPersistenceForSession]);
 773
 774                 [sender useCredential:credential forAuthenticationChallenge:challenge_];
 775             } break;
 776
 777             case 2:
 778                 [sender cancelAuthenticationChallenge:challenge_];
 779             break;
 780
 781             _nodefault
 782         }
 783
 784         [challenge_ release];
 785         challenge_ = nil;
 786
 787         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 788     } else if ([context isEqualToString:@"submit"]) {
 789         switch (button) {
 790             case 1:
 791             break;
 792
 793             case 2:
 794                 if (request_ != nil) {
 795                     WebThreadLock();
 796                     [webview_ loadRequest:request_];
 797                     WebThreadUnlock();
 798                 }
 799             break;
 800
 801             _nodefault
 802         }
 803
 804         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 805     }
 806 }
 807
 808 - (UIBarButtonItemStyle) rightButtonStyle {
 809     if (style_ == nil) normal:
 810         return UIBarButtonItemStylePlain;
 811     else if ([style_ isEqualToString:@"Normal"])
 812         return UIBarButtonItemStylePlain;
 813     else if ([style_ isEqualToString:@"Highlighted"])
 814         return UIBarButtonItemStyleDone;
 815     else goto normal;
 816 }
 817
 818 - (UIBarButtonItem *) customButton {
 819     return [[[UIBarButtonItem alloc]
 820         initWithTitle:custom_
 821         style:[self rightButtonStyle]
 822         target:self
 823         action:@selector(customButtonClicked)
 824     ] autorelease];
 825 }
 826
 827 - (UIBarButtonItem *) rightButton {
 828     return reloaditem_;
 829 }
 830
 831 - (void) applyLoadingTitle {
 832     [[self navigationItem] setTitle:UCLocalize("LOADING")];
 833 }
 834
 835 - (void) applyRightButton {
 836     if ([self isLoading]) {
 837         [[self navigationItem] setRightBarButtonItem:loadingitem_ animated:YES];
 838         // XXX: why do we do this again here?
 839         [[loadingitem_ view] addSubview:indicator_];
 840         [self applyLoadingTitle];
 841     } else if (custom_ != nil) {
 842         [[self navigationItem] setRightBarButtonItem:[self customButton] animated:YES];
 843     } else {
 844         [[self navigationItem] setRightBarButtonItem:[self rightButton] animated:YES];
 845     }
 846 }
 847
 848 - (void) _didStartLoading {
 849     [self applyRightButton];
 850 }
 851
 852 - (void) _didFinishLoading {
 853     if ([loading_ count] != 0)
 854         return;
 855
 856     [self applyRightButton];
 857
 858     // XXX: wtf?
 859     if (![self isLoading])
 860         [[self navigationItem] setTitle:title_];
 861 }
 862
 863 - (bool) isLoading {
 864     return [loading_ count] != 0;
 865 }
 866
 867 - (id) initWithWidth:(float)width ofClass:(Class)_class {
 868     if ((self = [super init]) != nil) {
 869         class_ = _class;
 870         loading_ = [[NSMutableSet alloc] initWithCapacity:5];
 871
 872         indirect_ = [[IndirectDelegate alloc] initWithDelegate:self];
 873
 874         webview_ = [[[CYWebView alloc] initWithFrame:[[self view] bounds]] autorelease];
 875         [webview_ setDelegate:self];
 876         [self setView:webview_];
 877
 878         if ([webview_ respondsToSelector:@selector(setDataDetectorTypes:)])
 879             [webview_ setDataDetectorTypes:UIDataDetectorTypeAutomatic];
 880         else
 881             [webview_ setDetectsPhoneNumbers:NO];
 882
 883         [webview_ setScalesPageToFit:YES];
 884
 885         UIWebDocumentView *document([webview_ _documentView]);
 886
 887         // XXX: I think this improves scrolling; the hardcoded-ness sucks
 888         [document setTileSize:CGSizeMake(320, 500)];
 889
 890         [document setBackgroundColor:[UIColor clearColor]];
 891         [document setDrawsBackground:NO];
 892
 893         WebView *webview([document webView]);
 894         WebPreferences *preferences([webview preferences]);
 895
 896         // XXX: I have no clue if I actually /want/ this modification
 897         if ([webview respondsToSelector:@selector(_setLayoutInterval:)])
 898             [webview _setLayoutInterval:0];
 899         else if ([preferences respondsToSelector:@selector(_setLayoutInterval:)])
 900             [preferences _setLayoutInterval:0];
 901
 902         [preferences setCacheModel:WebCacheModelDocumentBrowser];
 903         [preferences setOfflineWebApplicationCacheEnabled:YES];
 904
 905         if ([webview_ respondsToSelector:@selector(_scrollView)]) {
 906             scroller_ = [webview_ _scrollView];
 907
 908             [scroller_ setDirectionalLockEnabled:YES];
 909             [scroller_ setDecelerationRate:CYScrollViewDecelerationRateNormal];
 910             [scroller_ setDelaysContentTouches:NO];
 911
 912             [scroller_ setCanCancelContentTouches:YES];
 913         } else if ([webview_ respondsToSelector:@selector(_scroller)]) {
 914             UIScroller *scroller([webview_ _scroller]);
 915             scroller_ = (UIScrollView *) scroller;
 916
 917             [scroller setDirectionalScrolling:YES];
 918             // XXX: we might be better off /not/ setting this on older systems
 919             [scroller setScrollDecelerationFactor:CYScrollViewDecelerationRateNormal]; /* 0.989324 */
 920             [scroller setScrollHysteresis:0]; /* 8 */
 921
 922             [scroller setThumbDetectionEnabled:NO];
 923
 924             // use NO with UIApplicationUseLegacyEvents(YES)
 925             [scroller setEventMode:YES];
 926
 927             // XXX: this is handled by setBounces, right?
 928             //[scroller setAllowsRubberBanding:YES];
 929         }
 930
 931         [scroller_ setFixedBackgroundPattern:YES];
 932         [scroller_ setBackgroundColor:[UIColor groupTableViewBackgroundColor]];
 933         [scroller_ setClipsSubviews:YES];
 934
 935         [scroller_ setBounces:YES];
 936         [scroller_ setScrollingEnabled:YES];
 937         [scroller_ setShowBackgroundShadow:NO];
 938
 939         [self setViewportWidth:width];
 940
 941         reloaditem_ = [[UIBarButtonItem alloc]
 942             initWithTitle:UCLocalize("RELOAD")
 943             style:[self rightButtonStyle]
 944             target:self
 945             action:@selector(reloadButtonClicked)
 946         ];
 947
 948         loadingitem_ = [[UIBarButtonItem alloc]
 949             initWithTitle:@" "
 950             style:UIBarButtonItemStylePlain
 951             target:self
 952             action:@selector(reloadButtonClicked)
 953         ];
 954
 955         CGSize indsize = [UIProgressIndicator defaultSizeForStyle:UIProgressIndicatorStyleMediumWhite];
 956         indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectMake(15, 5, indsize.width, indsize.height)];
 957         [indicator_ setStyle:UIProgressIndicatorStyleMediumWhite];
 958         [indicator_ startAnimation];
 959         [[loadingitem_ view] addSubview:indicator_];
 960
 961         [webview_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
 962         [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
 963     } return self;
 964 }
 965
 966 - (id) initWithWidth:(float)width {
 967     return [self initWithWidth:width ofClass:[self class]];
 968 }
 969
 970 - (id) init {
 971     return [self initWithWidth:0];
 972 }
 973
 974 - (void) didDismissModalViewController {
 975     if (closer_ != nil)
 976         [self callFunction:closer_];
 977 }
 978
 979 - (void) callFunction:(WebScriptObject *)function {
 980     WebThreadLock();
 981
 982     WebView *webview([[webview_ _documentView] webView]);
 983     WebFrame *frame([webview mainFrame]);
 984     WebPreferences *preferences([webview preferences]);
 985
 986     bool maybe([preferences javaScriptCanOpenWindowsAutomatically]);
 987     [preferences setJavaScriptCanOpenWindowsAutomatically:NO];
 988
 989     /*id _private(MSHookIvar<id>(webview, "_private"));
 990     WebCore::Page *page(_private == nil ? NULL : MSHookIvar<WebCore::Page *>(_private, "page"));
 991     WebCore::Settings *settings(page == NULL ? NULL : page->settings());
 992
 993     bool no;
 994     if (settings == NULL)
 995         no = 0;
 996     else {
 997         no = settings->JavaScriptCanOpenWindowsAutomatically();
 998         settings->setJavaScriptCanOpenWindowsAutomatically(true);
 999     }*/
1000
1001     if (UIWindow *window = [[self view] window])
1002         if (UIResponder *responder = [window firstResponder])
1003             [responder resignFirstResponder];
1004
1005     JSObjectRef object([function JSObject]);
1006     JSGlobalContextRef context([frame globalContext]);
1007     JSObjectCallAsFunction(context, object, NULL, 0, NULL, NULL);
1008
1009     /*if (settings != NULL)
1010         settings->setJavaScriptCanOpenWindowsAutomatically(no);*/
1011
1012     [preferences setJavaScriptCanOpenWindowsAutomatically:maybe];
1013
1014     WebThreadUnlock();
1015 }
1016
1017 - (void) reloadButtonClicked {
1018     [self reloadURL];
1019 }
1020
1021 - (void) _customButtonClicked {
1022     [self reloadButtonClicked];
1023 }
1024
1025 - (void) customButtonClicked {
1026 #if !AlwaysReload
1027     if (function_ != nil)
1028         [self callFunction:function_];
1029     else
1030 #endif
1031     [self _customButtonClicked];
1032 }
1033
1034 + (float) defaultWidth {
1035     return 980;
1036 }
1037
1038 @end