UICaboodle/BrowserView.mm

   1 #include <UIKit/UIKit.h>
   2 #include "iPhonePrivate.h"
   3
   4 #include "UCPlatform.h"
   5
   6 #include <UICaboodle/BrowserView.h>
   7 #include <UICaboodle/UCLocalize.h>
   8
   9 //#include <QuartzCore/CALayer.h>
  10 // XXX: fix the minimum requirement
  11 extern NSString * const kCAFilterNearest;
  12
  13 #include <WebCore/WebCoreThread.h>
  14
  15 #include <WebKit/WebPolicyDelegate.h>
  16 #include <WebKit/WebPreferences.h>
  17
  18 #include <WebKit/DOMCSSPrimitiveValue.h>
  19 #include <WebKit/DOMCSSStyleDeclaration.h>
  20 #include <WebKit/DOMDocument.h>
  21 #include <WebKit/DOMHTMLBodyElement.h>
  22 #include <WebKit/DOMRGBColor.h>
  23
  24 //#include <WebCore/Page.h>
  25 //#include <WebCore/Settings.h>
  26
  27 #include "substrate.h"
  28
  29 #define ForSaurik 0
  30 #define DefaultTimeout_ 120.0
  31
  32 #define ShowInternals 0
  33 #define LogBrowser 0
  34 #define LogMessages 0
  35
  36 #define lprintf(args...) fprintf(stderr, args)
  37
  38 // WebThreadLocked {{{
  39 struct WebThreadLocked {
  40     _finline WebThreadLocked() {
  41         WebThreadLock();
  42     }
  43
  44     _finline ~WebThreadLocked() {
  45         WebThreadUnlock();
  46     }
  47 };
  48 // }}}
  49
  50 template <typename Type_>
  51 static inline void CYRelease(Type_ &value) {
  52     if (value != nil) {
  53         [value release];
  54         value = nil;
  55     }
  56 }
  57
  58 float CYScrollViewDecelerationRateNormal;
  59
  60 @interface WebView (Apple)
  61 - (void) _setLayoutInterval:(float)interval;
  62 - (void) _setAllowsMessaging:(BOOL)allows;
  63 @end
  64
  65 @interface WebPreferences (Apple)
  66 + (void) _setInitialDefaultTextEncodingToSystemEncoding;
  67 - (void) _setLayoutInterval:(NSInteger)interval;
  68 - (void) setOfflineWebApplicationCacheEnabled:(BOOL)enabled;
  69 @end
  70
  71 /* Indirect Delegate {{{ */
  72 @interface IndirectDelegate : NSObject <
  73     HookProtocol
  74 > {
  75     _transient volatile id delegate_;
  76 }
  77
  78 - (void) setDelegate:(id)delegate;
  79 - (id) initWithDelegate:(id)delegate;
  80 @end
  81
  82 @implementation IndirectDelegate
  83
  84 - (void) setDelegate:(id)delegate {
  85     delegate_ = delegate;
  86 }
  87
  88 - (id) initWithDelegate:(id)delegate {
  89     delegate_ = delegate;
  90     return self;
  91 }
  92
  93 - (void) didDismissModalViewController {
  94     if (delegate_ != nil)
  95         return [delegate_ didDismissModalViewController];
  96 }
  97
  98 - (IMP) methodForSelector:(SEL)sel {
  99     if (IMP method = [super methodForSelector:sel])
 100         return method;
 101     fprintf(stderr, "methodForSelector:[%s] == NULL\n", sel_getName(sel));
 102     return NULL;
 103 }
 104
 105 - (BOOL) respondsToSelector:(SEL)sel {
 106     if ([super respondsToSelector:sel])
 107         return YES;
 108
 109     // XXX: WebThreadCreateNSInvocation returns nil
 110
 111 #if ShowInternals
 112     fprintf(stderr, "[%s]R?%s\n", class_getName(self->isa), sel_getName(sel));
 113 #endif
 114
 115     return delegate_ == nil ? NO : [delegate_ respondsToSelector:sel];
 116 }
 117
 118 - (NSMethodSignature *) methodSignatureForSelector:(SEL)sel {
 119     if (NSMethodSignature *method = [super methodSignatureForSelector:sel])
 120         return method;
 121
 122 #if ShowInternals
 123     fprintf(stderr, "[%s]S?%s\n", class_getName(self->isa), sel_getName(sel));
 124 #endif
 125
 126     if (delegate_ != nil)
 127         if (NSMethodSignature *sig = [delegate_ methodSignatureForSelector:sel])
 128             return sig;
 129
 130     // XXX: I fucking hate Apple so very very bad
 131     return [NSMethodSignature signatureWithObjCTypes:"v@:"];
 132 }
 133
 134 - (void) forwardInvocation:(NSInvocation *)inv {
 135     SEL sel = [inv selector];
 136     if (delegate_ != nil && [delegate_ respondsToSelector:sel])
 137         [inv invokeWithTarget:delegate_];
 138 }
 139
 140 @end
 141 /* }}} */
 142
 143 @implementation WebScriptObject (UICaboodle)
 144
 145 - (NSUInteger) count {
 146     id length([self valueForKey:@"length"]);
 147     if ([length respondsToSelector:@selector(intValue)])
 148         return [length intValue];
 149     else
 150         return 0;
 151 }
 152
 153 - (id) objectAtIndex:(unsigned)index {
 154     return [self webScriptValueAtIndex:index];
 155 }
 156
 157 @end
 158
 159 // CYWebPolicyDecision* {{{
 160 enum CYWebPolicyDecision {
 161     CYWebPolicyDecisionUnknown,
 162     CYWebPolicyDecisionDownload,
 163     CYWebPolicyDecisionIgnore,
 164     CYWebPolicyDecisionUse,
 165 };
 166
 167 @interface CYWebPolicyDecisionMediator : NSObject <
 168     WebPolicyDecisionListener
 169 > {
 170     id<WebPolicyDecisionListener> listener_;
 171     CYWebPolicyDecision decision_;
 172 }
 173
 174 - (id) initWithListener:(id<WebPolicyDecisionListener>)listener;
 175
 176 - (CYWebPolicyDecision) decision;
 177 - (bool) decided;
 178 - (bool) decide;
 179
 180 @end
 181
 182 @implementation CYWebPolicyDecisionMediator
 183
 184 - (id) initWithListener:(id<WebPolicyDecisionListener>)listener {
 185     if ((self = [super init]) != nil) {
 186         listener_ = listener;
 187     } return self;
 188 }
 189
 190 - (CYWebPolicyDecision) decision {
 191     return decision_;
 192 }
 193
 194 - (bool) decided {
 195     return decision_ != CYWebPolicyDecisionUnknown;
 196 }
 197
 198 - (bool) decide {
 199     switch (decision_) {
 200         case CYWebPolicyDecisionUnknown:
 201         default:
 202             NSLog(@"CYWebPolicyDecisionUnknown");
 203             return false;
 204
 205         case CYWebPolicyDecisionDownload: [listener_ download]; break;
 206         case CYWebPolicyDecisionIgnore: [listener_ ignore]; break;
 207         case CYWebPolicyDecisionUse: [listener_ use]; break;
 208     }
 209
 210     return true;
 211 }
 212
 213 - (void) download {
 214     decision_ = CYWebPolicyDecisionDownload;
 215 }
 216
 217 - (void) ignore {
 218     decision_ = CYWebPolicyDecisionIgnore;
 219 }
 220
 221 - (void) use {
 222     decision_ = CYWebPolicyDecisionUse;
 223 }
 224
 225 @end
 226 // }}}
 227
 228 @implementation CYWebView : UIWebView
 229
 230 #if ShowInternals
 231 #include "UICaboodle/UCInternal.h"
 232 #endif
 233
 234 - (id) initWithFrame:(CGRect)frame {
 235     if ((self = [super initWithFrame:frame]) != nil) {
 236     } return self;
 237 }
 238
 239 - (void) dealloc {
 240     [super dealloc];
 241 }
 242
 243 - (id<CYWebViewDelegate>) delegate {
 244     return (id<CYWebViewDelegate>) [super delegate];
 245 }
 246
 247 /*- (WebView *) webView:(WebView *)view createWebViewWithRequest:(NSURLRequest *)request {
 248     id<CYWebViewDelegate> delegate([self delegate]);
 249     WebView *created(nil);
 250     if (created == nil && [delegate respondsToSelector:@selector(webView:createWebViewWithRequest:)])
 251         created = [delegate webView:view createWebViewWithRequest:request];
 252     if (created == nil && [UIWebView instancesRespondToSelector:@selector(webView:createWebViewWithRequest:)])
 253         created = [super webView:view createWebViewWithRequest:request];
 254     return created;
 255 }*/
 256
 257 // webView:addMessageToConsole: (X.Xx) {{{
 258 static void $UIWebViewWebViewDelegate$webView$addMessageToConsole$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSDictionary *message) {
 259     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 260     if ([uiWebView respondsToSelector:@selector(webView:addMessageToConsole:)])
 261         [uiWebView webView:view addMessageToConsole:message];
 262 }
 263
 264 - (void) webView:(WebView *)view addMessageToConsole:(NSDictionary *)message {
 265     id<CYWebViewDelegate> delegate([self delegate]);
 266     if ([delegate respondsToSelector:@selector(webView:addMessageToConsole:)])
 267         [delegate webView:view addMessageToConsole:message];
 268     if ([UIWebView instancesRespondToSelector:@selector(webView:addMessageToConsole:)])
 269         [super webView:view addMessageToConsole:message];
 270 }
 271 // }}}
 272 // webView:decidePolicyForNavigationAction:request:frame:decisionListener: (2.0+) {{{
 273 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 274     id<CYWebViewDelegate> delegate([self delegate]);
 275     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 276     if (![mediator decided] && [delegate respondsToSelector:@selector(webView:decidePolicyForNavigationAction:request:frame:decisionListener:)])
 277         [delegate webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 278     if (![mediator decided] && [UIWebView instancesRespondToSelector:@selector(webView:decidePolicyForNavigationAction:request:frame:decisionListener:)])
 279         [super webView:view decidePolicyForNavigationAction:action request:request frame:frame decisionListener:mediator];
 280     [mediator decide];
 281 }
 282 // }}}
 283 // webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener: (3.0+) {{{
 284 static void $UIWebViewWebViewDelegate$webView$decidePolicyForNewWindowAction$request$newFrameName$decisionListener$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSDictionary *action, NSURLRequest *request, NSString *frame, id<WebPolicyDecisionListener> listener) {
 285     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 286     if ([uiWebView respondsToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 287         [uiWebView webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:listener];
 288 }
 289
 290 - (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 291     id<CYWebViewDelegate> delegate([self delegate]);
 292     CYWebPolicyDecisionMediator *mediator([[[CYWebPolicyDecisionMediator alloc] initWithListener:listener] autorelease]);
 293     if (![mediator decided] && [delegate respondsToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 294         [delegate webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 295     if (![mediator decided] && [UIWebView instancesRespondToSelector:@selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:)])
 296         [super webView:view decidePolicyForNewWindowAction:action request:request newFrameName:frame decisionListener:mediator];
 297     [mediator decide];
 298 }
 299 // }}}
 300 // webView:didClearWindowObject:forFrame: (3.2+) {{{
 301 static void $UIWebViewWebViewDelegate$webView$didClearWindowObject$forFrame$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, WebScriptObject *window, WebFrame *frame) {
 302     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 303     if ([uiWebView respondsToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 304         [uiWebView webView:view didClearWindowObject:window forFrame:frame];
 305 }
 306
 307 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 308     id<CYWebViewDelegate> delegate([self delegate]);
 309     if ([delegate respondsToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 310         [delegate webView:view didClearWindowObject:window forFrame:frame];
 311     if ([UIWebView instancesRespondToSelector:@selector(webView:didClearWindowObject:forFrame:)])
 312         [super webView:view didClearWindowObject:window forFrame:frame];
 313 }
 314 // }}}
 315 // webView:didFailLoadWithError:forFrame: (2.0+) {{{
 316 - (void) webView:(WebView *)view didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 317     id<CYWebViewDelegate> delegate([self delegate]);
 318     if ([delegate respondsToSelector:@selector(webView:didFailLoadWithError:forFrame:)])
 319         [delegate webView:view didFailLoadWithError:error forFrame:frame];
 320     if ([UIWebView instancesRespondToSelector:@selector(webView:didFailLoadWithError:forFrame:)])
 321         [super webView:view didFailLoadWithError:error forFrame:frame];
 322 }
 323 // }}}
 324 // webView:didFailProvisionalLoadWithError:forFrame: (2.0+) {{{
 325 - (void) webView:(WebView *)view didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 326     id<CYWebViewDelegate> delegate([self delegate]);
 327     if ([delegate respondsToSelector:@selector(webView:didFailProvisionalLoadWithError:forFrame:)])
 328         [delegate webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 329     if ([UIWebView instancesRespondToSelector:@selector(webView:didFailProvisionalLoadWithError:forFrame:)])
 330         [super webView:view didFailProvisionalLoadWithError:error forFrame:frame];
 331 }
 332 // }}}
 333 // webView:didFinishLoadForFrame: (2.0+) {{{
 334 - (void) webView:(WebView *)view didFinishLoadForFrame:(WebFrame *)frame {
 335     id<CYWebViewDelegate> delegate([self delegate]);
 336     if ([delegate respondsToSelector:@selector(webView:didFinishLoadForFrame:)])
 337         [delegate webView:view didFinishLoadForFrame:frame];
 338     if ([UIWebView instancesRespondToSelector:@selector(webView:didFinishLoadForFrame:)])
 339         [super webView:view didFinishLoadForFrame:frame];
 340 }
 341 // }}}
 342 // webView:didReceiveTitle:forFrame: (3.2+) {{{
 343 static void $UIWebViewWebViewDelegate$webView$didReceiveTitle$forFrame$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, NSString *title, WebFrame *frame) {
 344     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 345     if ([uiWebView respondsToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 346         [uiWebView webView:view didReceiveTitle:title forFrame:frame];
 347 }
 348
 349 - (void) webView:(WebView *)view didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 350     id<CYWebViewDelegate> delegate([self delegate]);
 351     if ([delegate respondsToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 352         [delegate webView:view didReceiveTitle:title forFrame:frame];
 353     if ([UIWebView instancesRespondToSelector:@selector(webView:didReceiveTitle:forFrame:)])
 354         [super webView:view didReceiveTitle:title forFrame:frame];
 355 }
 356 // }}}
 357 // webView:didStartProvisionalLoadForFrame: (2.0+) {{{
 358 - (void) webView:(WebView *)view didStartProvisionalLoadForFrame:(WebFrame *)frame {
 359     id<CYWebViewDelegate> delegate([self delegate]);
 360     if ([delegate respondsToSelector:@selector(webView:didStartProvisionalLoadForFrame:)])
 361         [delegate webView:view didStartProvisionalLoadForFrame:frame];
 362     if ([UIWebView instancesRespondToSelector:@selector(webView:didStartProvisionalLoadForFrame:)])
 363         [super webView:view didStartProvisionalLoadForFrame:frame];
 364 }
 365 // }}}
 366 // webView:resource:willSendRequest:redirectResponse:fromDataSource: (3.2+) {{{
 367 static NSURLRequest *$UIWebViewWebViewDelegate$webView$resource$willSendRequest$redirectResponse$fromDataSource$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view, id identifier, NSURLRequest *request, NSURLResponse *response, WebDataSource *source) {
 368     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 369     if ([uiWebView respondsToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 370         request = [uiWebView webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 371     return request;
 372 }
 373
 374 - (NSURLRequest *) webView:(WebView *)view resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
 375     id<CYWebViewDelegate> delegate([self delegate]);
 376     if ([UIWebView instancesRespondToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 377         request = [super webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 378     if ([delegate respondsToSelector:@selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:)])
 379         request = [delegate webView:view resource:identifier willSendRequest:request redirectResponse:response fromDataSource:source];
 380     return request;
 381 }
 382 // }}}
 383 // webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame: (2.1+) {{{
 384 - (void) webView:(WebView *)view runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 385     id<CYWebViewDelegate> delegate([self delegate]);
 386     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptAlertPanelWithMessage:initiatedByFrame:)])
 387         if (
 388             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptAlertPanelWithMessage:initiatedByFrame:)] ||
 389             [delegate webView:view shouldRunJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame]
 390         )
 391             [super webView:view runJavaScriptAlertPanelWithMessage:message initiatedByFrame:frame];
 392 }
 393 // }}}
 394 // webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame: (2.1+) {{{
 395 - (BOOL) webView:(WebView *)view runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 396     id<CYWebViewDelegate> delegate([self delegate]);
 397     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptConfirmPanelWithMessage:initiatedByFrame:)])
 398         if (
 399             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptConfirmPanelWithMessage:initiatedByFrame:)] ||
 400             [delegate webView:view shouldRunJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame]
 401         )
 402             return [super webView:view runJavaScriptConfirmPanelWithMessage:message initiatedByFrame:frame];
 403     return NO;
 404 }
 405 // }}}
 406 // webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame: (2.1+) {{{
 407 - (NSString *) webView:(WebView *)view runJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)text initiatedByFrame:(WebFrame *)frame {
 408     id<CYWebViewDelegate> delegate([self delegate]);
 409     if ([UIWebView instancesRespondToSelector:@selector(webView:runJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:)])
 410         if (
 411             ![delegate respondsToSelector:@selector(webView:shouldRunJavaScriptTextInputPanelWithPrompt:defaultText:initiatedByFrame:)] ||
 412             [delegate webView:view shouldRunJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame]
 413         )
 414             return [super webView:view runJavaScriptTextInputPanelWithPrompt:prompt defaultText:text initiatedByFrame:frame];
 415     return nil;
 416 }
 417 // }}}
 418 // webViewClose: (3.2+) {{{
 419 static void $UIWebViewWebViewDelegate$webViewClose$(UIWebViewWebViewDelegate *self, SEL sel, WebView *view) {
 420     UIWebView *uiWebView(MSHookIvar<UIWebView *>(self, "uiWebView"));
 421     if ([uiWebView respondsToSelector:@selector(webViewClose:)])
 422         [uiWebView webViewClose:view];
 423 }
 424
 425 - (void) webViewClose:(WebView *)view {
 426     id<CYWebViewDelegate> delegate([self delegate]);
 427     if ([delegate respondsToSelector:@selector(webViewClose:)])
 428         [delegate webViewClose:view];
 429     if ([UIWebView instancesRespondToSelector:@selector(webViewClose:)])
 430         [super webViewClose:view];
 431 }
 432 // }}}
 433
 434 - (void) _updateViewSettings {
 435     [super _updateViewSettings];
 436
 437     id<CYWebViewDelegate> delegate([self delegate]);
 438     if ([delegate respondsToSelector:@selector(webViewUpdateViewSettings:)])
 439         [delegate webViewUpdateViewSettings:self];
 440 }
 441
 442 + (void) initialize {
 443     if (Class $UIWebViewWebViewDelegate = objc_getClass("UIWebViewWebViewDelegate")) {
 444         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:addMessageToConsole:), (IMP) &$UIWebViewWebViewDelegate$webView$addMessageToConsole$, "v16@0:4@8@12");
 445         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:), (IMP) &$UIWebViewWebViewDelegate$webView$decidePolicyForNewWindowAction$request$newFrameName$decisionListener$, "v28@0:4@8@12@16@20@24");
 446         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didClearWindowObject:forFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didClearWindowObject$forFrame$, "v20@0:4@8@12@16");
 447         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:didReceiveTitle:forFrame:), (IMP) &$UIWebViewWebViewDelegate$webView$didReceiveTitle$forFrame$, "v20@0:4@8@12@16");
 448         class_addMethod($UIWebViewWebViewDelegate, @selector(webView:resource:willSendRequest:redirectResponse:fromDataSource:), (IMP) &$UIWebViewWebViewDelegate$webView$resource$willSendRequest$redirectResponse$fromDataSource$, "@28@0:4@8@12@16@20@24");
 449         class_addMethod($UIWebViewWebViewDelegate, @selector(webViewClose:), (IMP) &$UIWebViewWebViewDelegate$webViewClose$, "v12@0:4@8");
 450     }
 451 }
 452
 453 @end
 454
 455 @implementation BrowserController
 456
 457 #if ShowInternals
 458 #include "UICaboodle/UCInternal.h"
 459 #endif
 460
 461 + (void) _initialize {
 462     [WebPreferences _setInitialDefaultTextEncodingToSystemEncoding];
 463
 464     if (float *_UIScrollViewDecelerationRateNormal = reinterpret_cast<float *>(dlsym(RTLD_DEFAULT, "UIScrollViewDecelerationRateNormal")))
 465         CYScrollViewDecelerationRateNormal = *_UIScrollViewDecelerationRateNormal;
 466     else // XXX: this actually might be fast on some older systems: we should look into this
 467         CYScrollViewDecelerationRateNormal = 0.998;
 468 }
 469
 470 - (void) dealloc {
 471 #if LogBrowser
 472     NSLog(@"[BrowserController dealloc]");
 473 #endif
 474
 475     [webview_ setDelegate:nil];
 476
 477     [indirect_ setDelegate:nil];
 478     [indirect_ release];
 479
 480     if (challenge_ != nil)
 481         [challenge_ release];
 482
 483     if (request_ != nil)
 484         [request_ release];
 485
 486     if (closer_ != nil)
 487         [closer_ release];
 488
 489     if (title_ != nil)
 490         [title_ release];
 491
 492     if ([loading_ count] != 0)
 493         [delegate_ releaseNetworkActivityIndicator];
 494     [loading_ release];
 495
 496     [reloaditem_ release];
 497     [loadingitem_ release];
 498
 499     [indicator_ release];
 500
 501     [super dealloc];
 502 }
 503
 504 - (void) setURL:(NSURL *)url {
 505     _assert(request_ == nil);
 506
 507     request_ = [[NSURLRequest
 508         requestWithURL:url
 509         cachePolicy:NSURLRequestUseProtocolCachePolicy
 510         timeoutInterval:DefaultTimeout_
 511     ] retain];
 512 }
 513
 514 - (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
 515     [self loadRequest:[NSURLRequest
 516         requestWithURL:url
 517         cachePolicy:policy
 518         timeoutInterval:DefaultTimeout_
 519     ]];
 520 }
 521
 522 - (void) loadURL:(NSURL *)url {
 523     [self loadURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy];
 524 }
 525
 526 - (void) loadRequest:(NSURLRequest *)request {
 527 #if LogBrowser
 528     NSLog(@"loadRequest:%@", request);
 529 #endif
 530
 531     error_ = false;
 532
 533     WebThreadLocked lock;
 534     [webview_ loadRequest:request];
 535 }
 536
 537 - (void) reloadURLWithCache:(BOOL)cache {
 538     if (request_ == nil)
 539         return;
 540
 541     NSMutableURLRequest *request([request_ mutableCopy]);
 542     [request setCachePolicy:(cache ? NSURLRequestUseProtocolCachePolicy : NSURLRequestReloadIgnoringLocalCacheData)];
 543
 544     [request_ autorelease];
 545     request_ = [request retain];
 546
 547     if ([request_ HTTPBody] == nil && [request_ HTTPBodyStream] == nil)
 548         [self loadRequest:request_];
 549     else {
 550         UIAlertView *alert = [[[UIAlertView alloc]
 551             initWithTitle:UCLocalize("RESUBMIT_FORM")
 552             message:nil
 553             delegate:self
 554             cancelButtonTitle:UCLocalize("CANCEL")
 555             otherButtonTitles:
 556                 UCLocalize("SUBMIT"),
 557             nil
 558         ] autorelease];
 559
 560         [alert setContext:@"submit"];
 561         [alert show];
 562     }
 563 }
 564
 565 - (void) reloadURL {
 566     [self reloadURLWithCache:YES];
 567 }
 568
 569 - (void) reloadData {
 570     [super reloadData];
 571     [self reloadURLWithCache:YES];
 572 }
 573
 574 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 575     custom_ = button;
 576     style_ = style;
 577     function_ = function;
 578
 579     [self performSelectorOnMainThread:@selector(applyRightButton) withObject:nil waitUntilDone:NO];
 580 }
 581
 582 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
 583     custom_ = button;
 584     style_ = style;
 585     function_ = function;
 586
 587     [self performSelectorOnMainThread:@selector(applyRightButton) withObject:nil waitUntilDone:NO];
 588 }
 589
 590 - (void) removeButton {
 591     custom_ = [NSNull null];
 592     [self performSelectorOnMainThread:@selector(applyRightButton) withObject:nil waitUntilDone:NO];
 593 }
 594
 595 - (void) setPopupHook:(id)function {
 596     if (closer_ != nil)
 597         [closer_ autorelease];
 598     if (function == nil)
 599         closer_ = nil;
 600     else
 601         closer_ = [function retain];
 602 }
 603
 604 - (void) _setViewportWidth {
 605     [[webview_ _documentView] setViewportSize:CGSizeMake(width_, UIWebViewGrowsAndShrinksToFitHeight) forDocumentTypes:0x10];
 606 }
 607
 608 - (void) setViewportWidth:(float)width {
 609     width_ = width != 0 ? width : [[self class] defaultWidth];
 610     [self _setViewportWidth];
 611 }
 612
 613 - (void) _setViewportWidthOnMainThread:(NSNumber *)width {
 614     [self setViewportWidth:[width floatValue]];
 615 }
 616
 617 - (void) setViewportWidthOnMainThread:(float)width {
 618     [self performSelectorOnMainThread:@selector(_setViewportWidthOnMainThread:) withObject:[NSNumber numberWithFloat:width] waitUntilDone:NO];
 619 }
 620
 621 - (void) webViewUpdateViewSettings:(UIWebView *)view {
 622     [self _setViewportWidth];
 623 }
 624
 625 - (void) _openMailToURL:(NSURL *)url {
 626     [[UIApplication sharedApplication] openURL:url];// asPanel:YES];
 627 }
 628
 629 - (bool) _allowJavaScriptPanel {
 630     return true;
 631 }
 632
 633 - (void) _didFailWithError:(NSError *)error forFrame:(WebFrame *)frame {
 634     [loading_ removeObject:[NSValue valueWithNonretainedObject:frame]];
 635     [self _didFinishLoading];
 636
 637     if ([error code] == NSURLErrorCancelled)
 638         return;
 639
 640     if ([frame parentFrame] == nil) {
 641         [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@?%@",
 642             [[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"error" ofType:@"html"]] absoluteString],
 643             [[error localizedDescription] stringByAddingPercentEscapes]
 644         ]]];
 645
 646         error_ = true;
 647     }
 648 }
 649
 650 // CYWebViewDelegate {{{
 651 - (void) webView:(WebView *)view addMessageToConsole:(NSDictionary *)message {
 652 #if LogMessages
 653     NSLog(@"addMessageToConsole:%@", message);
 654 #endif
 655 }
 656
 657 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 658 #if LogBrowser
 659     NSLog(@"decidePolicyForNavigationAction:%@ request:%@ frame:%@", action, request, frame);
 660 #endif
 661
 662     if ([frame parentFrame] == nil) {
 663         if (!error_) {
 664             if (request_ != nil)
 665                 [request_ autorelease];
 666             if (request == nil)
 667                 request_ = nil;
 668             else
 669                 request_ = [request retain];
 670         }
 671     }
 672 }
 673
 674 - (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 675 #if LogBrowser
 676     NSLog(@"decidePolicyForNewWindowAction:%@ request:%@ newFrameName:%@", action, request, frame);
 677 #endif
 678
 679     NSURL *url([request URL]);
 680     if (url == nil)
 681         return;
 682
 683     if ([frame isEqualToString:@"_open"])
 684         [delegate_ openURL:url];
 685
 686     NSString *scheme([[url scheme] lowercaseString]);
 687     if ([scheme isEqualToString:@"mailto"])
 688         [self _openMailToURL:url];
 689
 690     // XXX: filter to internal usage?
 691     CYViewController *page([delegate_ pageForURL:url forExternal:NO]);
 692
 693     if (page == nil) {
 694         BrowserController *browser([[[class_ alloc] init] autorelease]);
 695         [browser loadRequest:request];
 696         page = browser;
 697     }
 698
 699     [page setDelegate:delegate_];
 700
 701     if (![frame isEqualToString:@"_popup"]) {
 702         [[self navigationItem] setTitle:title_];
 703
 704         [[self navigationController] pushViewController:page animated:YES];
 705     } else {
 706         UCNavigationController *navigation([[[UCNavigationController alloc] initWithRootViewController:page] autorelease]);
 707
 708         [navigation setHook:indirect_];
 709         [navigation setDelegate:delegate_];
 710
 711         [[page navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
 712             initWithTitle:UCLocalize("CLOSE")
 713             style:UIBarButtonItemStylePlain
 714             target:page
 715             action:@selector(close)
 716         ] autorelease]];
 717
 718         [[self navigationController] presentModalViewController:navigation animated:YES];
 719     }
 720
 721     [listener ignore];
 722 }
 723
 724 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
 725 }
 726
 727 - (void) webView:(WebView *)view didFailLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 728 #if LogBrowser
 729     NSLog(@"didFailLoadWithError:%@ forFrame:%@", error, frame);
 730 #endif
 731
 732     [self _didFailWithError:error forFrame:frame];
 733 }
 734
 735 - (void) webView:(WebView *)view didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
 736 #if LogBrowser
 737     NSLog(@"didFailProvisionalLoadWithError:%@ forFrame:%@", error, frame);
 738 #endif
 739
 740     [self _didFailWithError:error forFrame:frame];
 741 }
 742
 743 - (void) webView:(WebView *)view didFinishLoadForFrame:(WebFrame *)frame {
 744     [loading_ removeObject:[NSValue valueWithNonretainedObject:frame]];
 745
 746     if ([frame parentFrame] == nil) {
 747         if (DOMDocument *document = [frame DOMDocument])
 748             if (DOMNodeList<NSFastEnumeration> *bodies = [document getElementsByTagName:@"body"])
 749                 for (DOMHTMLBodyElement *body in (id) bodies) {
 750                     DOMCSSStyleDeclaration *style([document getComputedStyle:body pseudoElement:nil]);
 751
 752                     bool colored(false);
 753
 754                     if (DOMCSSPrimitiveValue *color = static_cast<DOMCSSPrimitiveValue *>([style getPropertyCSSValue:@"background-color"])) {
 755                         if ([color primitiveType] == DOM_CSS_RGBCOLOR) {
 756                             DOMRGBColor *rgb([color getRGBColorValue]);
 757
 758                             float red([[rgb red] getFloatValue:DOM_CSS_NUMBER]);
 759                             float green([[rgb green] getFloatValue:DOM_CSS_NUMBER]);
 760                             float blue([[rgb blue] getFloatValue:DOM_CSS_NUMBER]);
 761                             float alpha([[rgb alpha] getFloatValue:DOM_CSS_NUMBER]);
 762
 763                             UIColor *uic(nil);
 764
 765                             if (red == 0xc7 && green == 0xce && blue == 0xd5)
 766                                 uic = [UIColor groupTableViewBackgroundColor];
 767                             else if (alpha != 0)
 768                                 uic = [UIColor
 769                                     colorWithRed:(red / 255)
 770                                     green:(green / 255)
 771                                     blue:(blue / 255)
 772                                     alpha:alpha
 773                                 ];
 774
 775                             if (uic != nil) {
 776                                 colored = true;
 777                                 [scroller_ setBackgroundColor:uic];
 778                             }
 779                         }
 780                     }
 781
 782                     if (!colored)
 783                         [scroller_ setBackgroundColor:[UIColor groupTableViewBackgroundColor]];
 784                     break;
 785                 }
 786     }
 787
 788     [self _didFinishLoading];
 789 }
 790
 791 - (void) webView:(WebView *)view didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
 792     if ([frame parentFrame] != nil)
 793         return;
 794
 795     if (title_ != nil)
 796         [title_ autorelease];
 797     title_ = [title retain];
 798
 799     [[self navigationItem] setTitle:title_];
 800 }
 801
 802 - (void) webView:(WebView *)view didStartProvisionalLoadForFrame:(WebFrame *)frame {
 803     [loading_ addObject:[NSValue valueWithNonretainedObject:frame]];
 804
 805     if ([frame parentFrame] == nil) {
 806         CYRelease(title_);
 807         custom_ = nil;
 808         style_ = nil;
 809         function_ = nil;
 810         CYRelease(closer_);
 811
 812         // XXX: do we still need to do this?
 813         [[self navigationItem] setTitle:nil];
 814     }
 815
 816     [self _didStartLoading];
 817 }
 818
 819 - (NSURLRequest *) webView:(WebView *)view resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
 820 #if LogBrowser
 821     NSLog(@"resource:%@ willSendRequest:%@ redirectResponse:%@ fromDataSource:%@", identifier, request, response, source);
 822 #endif
 823
 824     return request;
 825 }
 826
 827 - (bool) webView:(WebView *)view shouldRunJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 828     return [self _allowJavaScriptPanel];
 829 }
 830
 831 - (bool) webView:(WebView *)view shouldRunJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame {
 832     return [self _allowJavaScriptPanel];
 833 }
 834
 835 - (bool) webView:(WebView *)view shouldRunJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)text initiatedByFrame:(WebFrame *)frame {
 836     return [self _allowJavaScriptPanel];
 837 }
 838
 839 - (void) webViewClose:(WebView *)view {
 840     [self close];
 841 }
 842 // }}}
 843
 844 - (void) close {
 845     [[self navigationController] dismissModalViewControllerAnimated:YES];
 846 }
 847
 848 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
 849     NSString *context([alert context]);
 850
 851     if ([context isEqualToString:@"sensitive"]) {
 852         switch (button) {
 853             case 1:
 854                 sensitive_ = [NSNumber numberWithBool:YES];
 855             break;
 856
 857             case 2:
 858                 sensitive_ = [NSNumber numberWithBool:NO];
 859             break;
 860         }
 861
 862         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 863     } else if ([context isEqualToString:@"challenge"]) {
 864         id<NSURLAuthenticationChallengeSender> sender([challenge_ sender]);
 865
 866         switch (button) {
 867             case 1: {
 868                 NSString *username([[alert textFieldAtIndex:0] text]);
 869                 NSString *password([[alert textFieldAtIndex:1] text]);
 870
 871                 NSURLCredential *credential([NSURLCredential credentialWithUser:username password:password persistence:NSURLCredentialPersistenceForSession]);
 872
 873                 [sender useCredential:credential forAuthenticationChallenge:challenge_];
 874             } break;
 875
 876             case 2:
 877                 [sender cancelAuthenticationChallenge:challenge_];
 878             break;
 879
 880             _nodefault
 881         }
 882
 883         [challenge_ release];
 884         challenge_ = nil;
 885
 886         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 887     } else if ([context isEqualToString:@"submit"]) {
 888         if (button == [alert cancelButtonIndex]) {
 889         } else if (button == [alert firstOtherButtonIndex]) {
 890             if (request_ != nil) {
 891                 WebThreadLocked lock;
 892                 [webview_ loadRequest:request_];
 893             }
 894         }
 895
 896         [alert dismissWithClickedButtonIndex:-1 animated:YES];
 897     }
 898 }
 899
 900 - (UIBarButtonItemStyle) rightButtonStyle {
 901     if (style_ == nil) normal:
 902         return UIBarButtonItemStylePlain;
 903     else if ([style_ isEqualToString:@"Normal"])
 904         return UIBarButtonItemStylePlain;
 905     else if ([style_ isEqualToString:@"Highlighted"])
 906         return UIBarButtonItemStyleDone;
 907     else goto normal;
 908 }
 909
 910 - (UIBarButtonItem *) customButton {
 911     return custom_ == [NSNull null] ? nil : [[[UIBarButtonItem alloc]
 912         initWithTitle:static_cast<NSString *>(custom_.operator NSObject *())
 913         style:[self rightButtonStyle]
 914         target:self
 915         action:@selector(customButtonClicked)
 916     ] autorelease];
 917 }
 918
 919 - (UIBarButtonItem *) rightButton {
 920     return reloaditem_;
 921 }
 922
 923 - (void) applyLoadingTitle {
 924     [[self navigationItem] setTitle:UCLocalize("LOADING")];
 925 }
 926
 927 - (void) layoutRightButton {
 928     [[loadingitem_ view] addSubview:indicator_];
 929     [[loadingitem_ view] bringSubviewToFront:indicator_];
 930 }
 931
 932 - (void) applyRightButton {
 933     if ([self isLoading]) {
 934         [[self navigationItem] setRightBarButtonItem:loadingitem_ animated:YES];
 935         [self performSelector:@selector(layoutRightButton) withObject:nil afterDelay:0];
 936
 937         [indicator_ startAnimating];
 938         [self applyLoadingTitle];
 939     } else {
 940         [indicator_ stopAnimating];
 941
 942         [[self navigationItem] setRightBarButtonItem:(
 943             custom_ != nil ? [self customButton] : [self rightButton]
 944         ) animated:YES];
 945     }
 946 }
 947
 948 - (void) didStartLoading {
 949     // Overridden in subclasses.
 950 }
 951
 952 - (void) _didStartLoading {
 953     [self applyRightButton];
 954
 955     if ([loading_ count] != 1)
 956         return;
 957
 958     [delegate_ retainNetworkActivityIndicator];
 959     [self didStartLoading];
 960 }
 961
 962 - (void) didFinishLoading {
 963     // Overridden in subclasses.
 964 }
 965
 966 - (void) _didFinishLoading {
 967     if ([loading_ count] != 0)
 968         return;
 969
 970     [self applyRightButton];
 971     [[self navigationItem] setTitle:title_];
 972
 973     [delegate_ releaseNetworkActivityIndicator];
 974     [self didFinishLoading];
 975 }
 976
 977 - (bool) isLoading {
 978     return [loading_ count] != 0;
 979 }
 980
 981 - (id) initWithWidth:(float)width ofClass:(Class)_class {
 982     if ((self = [super init]) != nil) {
 983         class_ = _class;
 984         loading_ = [[NSMutableSet alloc] initWithCapacity:5];
 985
 986         indirect_ = [[IndirectDelegate alloc] initWithDelegate:self];
 987
 988         webview_ = [[[CYWebView alloc] initWithFrame:[[self view] bounds]] autorelease];
 989         [webview_ setDelegate:self];
 990         [self setView:webview_];
 991
 992         if ([webview_ respondsToSelector:@selector(setDataDetectorTypes:)])
 993             [webview_ setDataDetectorTypes:UIDataDetectorTypeAutomatic];
 994         else
 995             [webview_ setDetectsPhoneNumbers:NO];
 996
 997         [webview_ setScalesPageToFit:YES];
 998
 999         UIWebDocumentView *document([webview_ _documentView]);
1000
1001         // XXX: I think this improves scrolling; the hardcoded-ness sucks
1002         [document setTileSize:CGSizeMake(320, 500)];
1003
1004         [document setBackgroundColor:[UIColor clearColor]];
1005
1006         // XXX: this is terribly (too?) expensive
1007         [document setDrawsBackground:NO];
1008
1009         WebView *webview([document webView]);
1010         WebPreferences *preferences([webview preferences]);
1011
1012         // XXX: I have no clue if I actually /want/ this modification
1013         if ([webview respondsToSelector:@selector(_setLayoutInterval:)])
1014             [webview _setLayoutInterval:0];
1015         else if ([preferences respondsToSelector:@selector(_setLayoutInterval:)])
1016             [preferences _setLayoutInterval:0];
1017
1018         [preferences setCacheModel:WebCacheModelDocumentBrowser];
1019         [preferences setOfflineWebApplicationCacheEnabled:YES];
1020
1021 #if LogMessages
1022         if ([document respondsToSelector:@selector(setAllowsMessaging:)])
1023             [document setAllowsMessaging:YES];
1024         if ([webview respondsToSelector:@selector(_setAllowsMessaging:)])
1025             [webview _setAllowsMessaging:YES];
1026 #endif
1027
1028         if ([webview_ respondsToSelector:@selector(_scrollView)]) {
1029             scroller_ = [webview_ _scrollView];
1030
1031             [scroller_ setDirectionalLockEnabled:YES];
1032             [scroller_ setDecelerationRate:CYScrollViewDecelerationRateNormal];
1033             [scroller_ setDelaysContentTouches:NO];
1034
1035             [scroller_ setCanCancelContentTouches:YES];
1036         } else if ([webview_ respondsToSelector:@selector(_scroller)]) {
1037             UIScroller *scroller([webview_ _scroller]);
1038             scroller_ = (UIScrollView *) scroller;
1039
1040             [scroller setDirectionalScrolling:YES];
1041             // XXX: we might be better off /not/ setting this on older systems
1042             [scroller setScrollDecelerationFactor:CYScrollViewDecelerationRateNormal]; /* 0.989324 */
1043             [scroller setScrollHysteresis:0]; /* 8 */
1044
1045             [scroller setThumbDetectionEnabled:NO];
1046
1047             // use NO with UIApplicationUseLegacyEvents(YES)
1048             [scroller setEventMode:YES];
1049
1050             // XXX: this is handled by setBounces, right?
1051             //[scroller setAllowsRubberBanding:YES];
1052         }
1053
1054         [scroller_ setFixedBackgroundPattern:YES];
1055         [scroller_ setBackgroundColor:[UIColor groupTableViewBackgroundColor]];
1056         [scroller_ setClipsSubviews:YES];
1057
1058         [scroller_ setBounces:YES];
1059         [scroller_ setScrollingEnabled:YES];
1060         [scroller_ setShowBackgroundShadow:NO];
1061
1062         [self setViewportWidth:width];
1063
1064         reloaditem_ = [[UIBarButtonItem alloc]
1065             initWithTitle:UCLocalize("RELOAD")
1066             style:[self rightButtonStyle]
1067             target:self
1068             action:@selector(reloadButtonClicked)
1069         ];
1070
1071         loadingitem_ = [[UIBarButtonItem alloc]
1072             initWithTitle:@" "
1073             style:UIBarButtonItemStylePlain
1074             target:self
1075             action:@selector(reloadButtonClicked)
1076         ];
1077
1078         indicator_ = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite];
1079         [indicator_ setFrame:CGRectMake(15, 5, [indicator_ frame].size.width, [indicator_ frame].size.height)];
1080
1081         [webview_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
1082         [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
1083     } return self;
1084 }
1085
1086 - (id) initWithWidth:(float)width {
1087     return [self initWithWidth:width ofClass:[self class]];
1088 }
1089
1090 - (id) init {
1091     return [self initWithWidth:0];
1092 }
1093
1094 - (id) initWithURL:(NSURL *)url {
1095     if ((self = [self init]) != nil) {
1096         [self setURL:url];
1097     } return self;
1098 }
1099
1100 - (void) didDismissModalViewController {
1101     if (closer_ != nil)
1102         [self callFunction:closer_];
1103 }
1104
1105 - (void) callFunction:(WebScriptObject *)function {
1106     WebThreadLocked lock;
1107
1108     WebView *webview([[webview_ _documentView] webView]);
1109     WebFrame *frame([webview mainFrame]);
1110     WebPreferences *preferences([webview preferences]);
1111
1112     bool maybe([preferences javaScriptCanOpenWindowsAutomatically]);
1113     [preferences setJavaScriptCanOpenWindowsAutomatically:NO];
1114
1115     /*id _private(MSHookIvar<id>(webview, "_private"));
1116     WebCore::Page *page(_private == nil ? NULL : MSHookIvar<WebCore::Page *>(_private, "page"));
1117     WebCore::Settings *settings(page == NULL ? NULL : page->settings());
1118
1119     bool no;
1120     if (settings == NULL)
1121         no = 0;
1122     else {
1123         no = settings->JavaScriptCanOpenWindowsAutomatically();
1124         settings->setJavaScriptCanOpenWindowsAutomatically(true);
1125     }*/
1126
1127     if (UIWindow *window = [[self view] window])
1128         if (UIResponder *responder = [window firstResponder])
1129             [responder resignFirstResponder];
1130
1131     JSObjectRef object([function JSObject]);
1132     JSGlobalContextRef context([frame globalContext]);
1133     JSObjectCallAsFunction(context, object, NULL, 0, NULL, NULL);
1134
1135     /*if (settings != NULL)
1136         settings->setJavaScriptCanOpenWindowsAutomatically(no);*/
1137
1138     [preferences setJavaScriptCanOpenWindowsAutomatically:maybe];
1139 }
1140
1141 - (void) reloadButtonClicked {
1142     [self reloadURLWithCache:YES];
1143 }
1144
1145 - (void) _customButtonClicked {
1146     [self reloadButtonClicked];
1147 }
1148
1149 - (void) customButtonClicked {
1150 #if !AlwaysReload
1151     if (function_ != nil)
1152         [self callFunction:function_];
1153     else
1154 #endif
1155     [self _customButtonClicked];
1156 }
1157
1158 + (float) defaultWidth {
1159     return 980;
1160 }
1161
1162 - (void) dispatchEvent:(NSString *)event {
1163     WebThreadLocked lock;
1164
1165     NSString *script([NSString stringWithFormat:@
1166         "(function() {"
1167             "var event = this.document.createEvent('Events');"
1168             "event.initEvent('%@', false, false);"
1169             "this.document.dispatchEvent(event);"
1170         "})();"
1171     , event]);
1172
1173     NSMutableArray *frames([NSMutableArray arrayWithObjects:
1174         [[[webview_ _documentView] webView] mainFrame]
1175     , nil]);
1176
1177     while (WebFrame *frame = [frames lastObject]) {
1178         WebScriptObject *object([frame windowObject]);
1179         [object evaluateWebScript:script];
1180         [frames removeLastObject];
1181         [frames addObjectsFromArray:[frame childFrames]];
1182     }
1183 }
1184
1185 - (void) viewWillAppear:(BOOL)animated {
1186     [self dispatchEvent:@"CydiaViewWillAppear"];
1187     [super viewWillAppear:animated];
1188 }
1189
1190 - (void) viewDidAppear:(BOOL)animated {
1191     [self dispatchEvent:@"CydiaViewDidAppear"];
1192     [super viewDidAppear:animated];
1193 }
1194
1195 - (void) viewWillDisappear:(BOOL)animated {
1196     [self dispatchEvent:@"CydiaViewWillDisappear"];
1197     [super viewWillDisappear:animated];
1198 }
1199
1200 - (void) viewDidDisappear:(BOOL)animated {
1201     [self dispatchEvent:@"CydiaViewDidDisappear"];
1202     [super viewDidDisappear:animated];
1203 }
1204
1205 @end