Force clear all source's fetches when fetch stops.

[cydia.git] / CyteKit / WebViewController.mm

diff --git a/CyteKit/WebViewController.mm b/CyteKit/WebViewController.mm
index 4d4d250ebf2359d5515efa6b0e7ecb8eac078e42..c4931cbeaab6368501ceab44aeebb4e154ba2e31 100644 (file)
--- a/CyteKit/WebViewController.mm
+++ b/CyteKit/WebViewController.mm
@@ -38,6 +38,8 @@ extern NSString * const kCAFilterNearest;
 
 #define lprintf(args...) fprintf(stderr, args)
 
 
 #define lprintf(args...) fprintf(stderr, args)
 

+JSValueRef (*$JSObjectCallAsFunction)(JSContextRef, JSObjectRef, JSObjectRef, size_t, const JSValueRef[], JSValueRef *);
+

 // XXX: centralize these special class things to some file or mechanism?
 static Class $MFMailComposeViewController;
 
 // XXX: centralize these special class things to some file or mechanism?
 static Class $MFMailComposeViewController;
 


@@ -48,17 +50,33 @@ float CYScrollViewDecelerationRateNormal;
 - (void) _setAllowsMessaging:(BOOL)allows;
 @end
 
 - (void) _setAllowsMessaging:(BOOL)allows;
 @end
 

+@interface WebFrame (Cydia)
+- (void) cydia$updateHeight;
+@end
+

 @implementation WebFrame (Cydia)
 
 - (NSString *) description {
     return [NSString stringWithFormat:@"<%s: %p, %@>", class_getName([self class]), self, [[[([self provisionalDataSource] ?: [self dataSource]) request] URL] absoluteString]];
 }
 
 @implementation WebFrame (Cydia)
 
 - (NSString *) description {
     return [NSString stringWithFormat:@"<%s: %p, %@>", class_getName([self class]), self, [[[([self provisionalDataSource] ?: [self dataSource]) request] URL] absoluteString]];
 }
 

+- (void) cydia$updateHeight {
+    [[[self frameElement] style]
+        setProperty:@"height"
+        value:[NSString stringWithFormat:@"%dpx",
+            [[[self DOMDocument] body] scrollHeight]]
+        priority:nil];
+}
+

 @end
 
 /* Indirect Delegate {{{ */
 @implementation IndirectDelegate
 
 @end
 
 /* Indirect Delegate {{{ */
 @implementation IndirectDelegate
 

+- (id) delegate {
+    return delegate_;
+}
+

 - (void) setDelegate:(id)delegate {
     delegate_ = delegate;
 }
 - (void) setDelegate:(id)delegate {
     delegate_ = delegate;
 }


@@ -122,6 +140,14 @@ float CYScrollViewDecelerationRateNormal;
 + (void) _initialize {
     [WebPreferences _setInitialDefaultTextEncodingToSystemEncoding];
 
 + (void) _initialize {
     [WebPreferences _setInitialDefaultTextEncodingToSystemEncoding];
 

+    void *js(NULL);
+    if (js == NULL)
+        js = dlopen("/System/Library/Frameworks/JavaScriptCore.framework/JavaScriptCore", RTLD_GLOBAL | RTLD_LAZY);
+    if (js == NULL)
+        js = dlopen("/System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore", RTLD_GLOBAL | RTLD_LAZY);
+    if (js != NULL)
+        $JSObjectCallAsFunction = reinterpret_cast<JSValueRef (*)(JSContextRef, JSObjectRef, JSObjectRef, size_t, const JSValueRef[], JSValueRef *)>(dlsym(js, "JSObjectCallAsFunction"));
+

     dlopen("/System/Library/Frameworks/MessageUI.framework/MessageUI", RTLD_GLOBAL | RTLD_LAZY);
     $MFMailComposeViewController = objc_getClass("MFMailComposeViewController");
 
     dlopen("/System/Library/Frameworks/MessageUI.framework/MessageUI", RTLD_GLOBAL | RTLD_LAZY);
     $MFMailComposeViewController = objc_getClass("MFMailComposeViewController");
 


@@ -166,12 +192,16 @@ float CYScrollViewDecelerationRateNormal;
     return url;
 }
 
     return url;
 }
 

-- (NSURLRequest *) requestWithURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
-    return [NSURLRequest
+- (NSURLRequest *) requestWithURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy referrer:(NSString *)referrer {
+    NSMutableURLRequest *request([NSMutableURLRequest

         requestWithURL:[self URLWithURL:url]
         cachePolicy:policy
         timeoutInterval:DefaultTimeout_
         requestWithURL:[self URLWithURL:url]
         cachePolicy:policy
         timeoutInterval:DefaultTimeout_

-    ];
+    ]);
+
+    [request setValue:referrer forHTTPHeaderField:@"Referer"];
+
+    return request;

 }
 
 - (void) setRequest:(NSURLRequest *)request {
 }
 
 - (void) setRequest:(NSURLRequest *)request {


@@ -180,11 +210,15 @@ float CYScrollViewDecelerationRateNormal;
 }
 
 - (void) setURL:(NSURL *)url {
 }
 
 - (void) setURL:(NSURL *)url {

-    [self setRequest:[self requestWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy]];
+    [self setURL:url withReferrer:nil];
+}
+
+- (void) setURL:(NSURL *)url withReferrer:(NSString *)referrer {
+    [self setRequest:[self requestWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy referrer:referrer]];

 }
 
 - (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
 }
 
 - (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {

-    [self loadRequest:[self requestWithURL:url cachePolicy:policy]];
+    [self loadRequest:[self requestWithURL:url cachePolicy:policy referrer:nil]];

 }
 
 - (void) loadURL:(NSURL *)url {
 }
 
 - (void) loadURL:(NSURL *)url {


@@ -212,7 +246,7 @@ float CYScrollViewDecelerationRateNormal;
 
     request_ = request;
 
 
     request_ = request;
 

-    if ([request_ HTTPBody] == nil && [request_ HTTPBodyStream] == nil)
+    if (cache || [request_ HTTPBody] == nil && [request_ HTTPBodyStream] == nil)

         [self loadRequest:request_];
     else {
         UIAlertView *alert = [[[UIAlertView alloc]
         [self loadRequest:request_];
     else {
         UIAlertView *alert = [[[UIAlertView alloc]


@@ -230,10 +264,6 @@ float CYScrollViewDecelerationRateNormal;
     }
 }
 
     }
 }
 

-- (void) reloadURL {
-    [self reloadURLWithCache:YES];
-}
-

 - (void) reloadData {
     [super reloadData];
 
 - (void) reloadData {
     [super reloadData];
 


@@ -371,11 +401,20 @@ float CYScrollViewDecelerationRateNormal;
     }
 }
 
     }
 }
 

-- (void) pushRequest:(NSURLRequest *)request asPop:(bool)pop {
+- (void) pushRequest:(NSURLRequest *)request forAction:(NSDictionary *)action asPop:(bool)pop {
+    WebFrame *frame(nil);
+    if (NSDictionary *WebActionElement = [action objectForKey:@"WebActionElementKey"])
+        frame = [WebActionElement objectForKey:@"WebElementFrame"];
+    if (frame == nil)
+        frame = [[[[self webView] _documentView] webView] mainFrame];
+
+    WebDataSource *source([frame provisionalDataSource] ?: [frame dataSource]);
+    NSString *referrer([request valueForHTTPHeaderField:@"Referer"] ?: [[[source request] URL] absoluteString]);
+

     NSURL *url([request URL]);
 
     // XXX: filter to internal usage?
     NSURL *url([request URL]);
 
     // XXX: filter to internal usage?

-    CyteViewController *page([delegate_ pageForURL:url forExternal:NO]);
+    CyteViewController *page([delegate_ pageForURL:url forExternal:NO withReferrer:referrer]);

 
     if (page == nil) {
         CyteWebViewController *browser([[[class_ alloc] init] autorelease]);
 
     if (page == nil) {
         CyteWebViewController *browser([[[class_ alloc] init] autorelease]);


@@ -384,6 +423,7 @@ float CYScrollViewDecelerationRateNormal;
     }
 
     [page setDelegate:delegate_];
     }
 
     [page setDelegate:delegate_];

+    [page setPageColor:color_];

 
     if (!pop) {
         [[self navigationItem] setTitle:title_];
 
     if (!pop) {
         [[self navigationItem] setTitle:title_];


@@ -423,7 +463,7 @@ float CYScrollViewDecelerationRateNormal;
 
 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 #if LogBrowser
 
 - (void) webView:(WebView *)view decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
 #if LogBrowser

-    NSLog(@"decidePolicyForNavigationAction:%@ request:%@ frame:%@", action, request, frame);
+    NSLog(@"decidePolicyForNavigationAction:%@ request:%@ %@ frame:%@", action, request, [request allHTTPHeaderFields], frame);

 #endif
 
     if ([frame parentFrame] == nil) {
 #endif
 
     if ([frame parentFrame] == nil) {


@@ -432,7 +472,7 @@ float CYScrollViewDecelerationRateNormal;
 
             if (request_ != nil && ![[request_ URL] isEqual:url] && ![self allowsNavigationAction]) {
                 if (url != nil)
 
             if (request_ != nil && ![[request_ URL] isEqual:url] && ![self allowsNavigationAction]) {
                 if (url != nil)

-                    [self pushRequest:request asPop:NO];
+                    [self pushRequest:request forAction:action asPop:NO];

                 [listener ignore];
             }
         }
                 [listener ignore];
             }
         }


@@ -440,35 +480,54 @@ float CYScrollViewDecelerationRateNormal;
 }
 
 - (void) webView:(WebView *)view didDecidePolicy:(CYWebPolicyDecision)decision forNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame {
 }
 
 - (void) webView:(WebView *)view didDecidePolicy:(CYWebPolicyDecision)decision forNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame {

-    if ([frame parentFrame] == nil)
-        if (decision == CYWebPolicyDecisionUse)
-            if (!error_)
-                request_ = request;
+#if LogBrowser
+    NSLog(@"didDecidePolicy:%u forNavigationAction:%@ request:%@ frame:%@", decision, action, request, [request allHTTPHeaderFields], frame);
+#endif
+
+    if ([frame parentFrame] == nil) {
+        switch (decision) {
+            case CYWebPolicyDecisionIgnore:
+                if ([[request_ URL] isEqual:[request URL]])
+                    request_ = nil;
+            break;
+
+            case CYWebPolicyDecisionUse:
+                if (!error_)
+                    request_ = request;
+            break;
+
+            default:
+            break;
+        }
+    }

 }
 
 }
 

-- (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
+- (void) webView:(WebView *)view decidePolicyForNewWindowAction:(NSDictionary *)action request:(NSURLRequest *)request newFrameName:(NSString *)name decisionListener:(id<WebPolicyDecisionListener>)listener {

 #if LogBrowser
 #if LogBrowser

-    NSLog(@"decidePolicyForNewWindowAction:%@ request:%@ newFrameName:%@", action, request, frame);
+    NSLog(@"decidePolicyForNewWindowAction:%@ request:%@ %@ newFrameName:%@", action, request, [request allHTTPHeaderFields], name);

 #endif
 
     NSURL *url([request URL]);
     if (url == nil)
         return;
 
 #endif
 
     NSURL *url([request URL]);
     if (url == nil)
         return;
 

-    if ([frame isEqualToString:@"_open"])
+    if ([name isEqualToString:@"_open"])

         [delegate_ openURL:url];
     else {
         NSString *scheme([[url scheme] lowercaseString]);
         if ([scheme isEqualToString:@"mailto"])
             [self _openMailToURL:url];
         else
         [delegate_ openURL:url];
     else {
         NSString *scheme([[url scheme] lowercaseString]);
         if ([scheme isEqualToString:@"mailto"])
             [self _openMailToURL:url];
         else

-            [self pushRequest:request asPop:[frame isEqualToString:@"_popup"]];
+            [self pushRequest:request forAction:action asPop:[name isEqualToString:@"_popup"]];

     }
 
     [listener ignore];
 }
 
 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
     }
 
     [listener ignore];
 }
 
 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {

+#if LogBrowser
+    NSLog(@"didClearWindowObject:%@ forFrame:%@", window, frame);
+#endif

 }
 
 - (void) webView:(WebView *)view didCommitLoadForFrame:(WebFrame *)frame {
 }
 
 - (void) webView:(WebView *)view didCommitLoadForFrame:(WebFrame *)frame {


@@ -505,7 +564,7 @@ float CYScrollViewDecelerationRateNormal;
 
     if ([frame parentFrame] == nil) {
         if (DOMDocument *document = [frame DOMDocument])
 
     if ([frame parentFrame] == nil) {
         if (DOMDocument *document = [frame DOMDocument])

-            if (DOMNodeList<NSFastEnumeration> *bodies = [document getElementsByTagName:@"body"])
+            if (DOMNodeList *bodies = [document getElementsByTagName:@"body"])

                 for (DOMHTMLBodyElement *body in (id) bodies) {
                     DOMCSSStyleDeclaration *style([document getComputedStyle:body pseudoElement:nil]);
 
                 for (DOMHTMLBodyElement *body in (id) bodies) {
                     DOMCSSStyleDeclaration *style([document getComputedStyle:body pseudoElement:nil]);
 


@@ -520,9 +579,7 @@ float CYScrollViewDecelerationRateNormal;
                             float blue([[rgb blue] getFloatValue:DOM_CSS_NUMBER]);
                             float alpha([[rgb alpha] getFloatValue:DOM_CSS_NUMBER]);
 
                             float blue([[rgb blue] getFloatValue:DOM_CSS_NUMBER]);
                             float alpha([[rgb alpha] getFloatValue:DOM_CSS_NUMBER]);
 

-                            if (red == 0xc7 && green == 0xce && blue == 0xd5)
-                                uic = [UIColor pinStripeColor];
-                            else if (alpha != 0)
+                            if (alpha == 1)

                                 uic = [UIColor
                                     colorWithRed:(red / 255)
                                     green:(green / 255)
                                 uic = [UIColor
                                     colorWithRed:(red / 255)
                                     green:(green / 255)


@@ -532,7 +589,8 @@ float CYScrollViewDecelerationRateNormal;
                         }
                     }
 
                         }
                     }
 

-                    [scroller_ setBackgroundColor:(uic ?: [UIColor clearColor])];
+                    [self setPageColor:uic];
+                    [scroller_ setBackgroundColor:color_];

                     break;
                 }
     }
                     break;
                 }
     }


@@ -562,6 +620,9 @@ float CYScrollViewDecelerationRateNormal;
         style_ = nil;
         function_ = nil;
 
         style_ = nil;
         function_ = nil;
 

+        [registered_ removeAllObjects];
+        timer_ = nil;
+

         allowsNavigationAction_ = true;
 
         [self setHidesNavigationBar:NO];
         allowsNavigationAction_ = true;
 
         [self setHidesNavigationBar:NO];


@@ -601,7 +662,7 @@ float CYScrollViewDecelerationRateNormal;
 // }}}
 
 - (void) close {
 // }}}
 
 - (void) close {

-    [[[self navigationController] parentViewController] dismissModalViewControllerAnimated:YES];
+    [[[self navigationController] parentOrPresentingViewController] dismissModalViewControllerAnimated:YES];

 }
 
 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
 }
 
 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {


@@ -668,7 +729,7 @@ float CYScrollViewDecelerationRateNormal;
 - (UIBarButtonItem *) customButton {
     if (custom_ == nil)
         return nil;
 - (UIBarButtonItem *) customButton {
     if (custom_ == nil)
         return nil;

-    else if (custom_ == [NSNull null])
+    else if ((/*clang:*/id) custom_ == [NSNull null])

         return (UIBarButtonItem *) [NSNull null];
 
     return [[[UIBarButtonItem alloc]
         return (UIBarButtonItem *) [NSNull null];
 
     return [[[UIBarButtonItem alloc]


@@ -685,7 +746,7 @@ float CYScrollViewDecelerationRateNormal;
         return nil;
 
     if (UINavigationController *navigation = [self navigationController])
         return nil;
 
     if (UINavigationController *navigation = [self navigationController])

-        if ([[navigation parentViewController] modalViewController] == navigation)
+        if ([[navigation parentOrPresentingViewController] modalViewController] == navigation)

             return [[[UIBarButtonItem alloc]
                 initWithTitle:UCLocalize("CLOSE")
                 style:UIBarButtonItemStylePlain
             return [[[UIBarButtonItem alloc]
                 initWithTitle:UCLocalize("CLOSE")
                 style:UIBarButtonItemStylePlain


@@ -775,9 +836,12 @@ float CYScrollViewDecelerationRateNormal;
         width_ = width;
         class_ = _class;
 
         width_ = width;
         class_ = _class;
 

+        [self setPageColor:nil];
+

         allowsNavigationAction_ = true;
 
         loading_ = [NSMutableSet setWithCapacity:5];
         allowsNavigationAction_ = true;
 
         loading_ = [NSMutableSet setWithCapacity:5];

+        registered_ = [NSMutableSet setWithCapacity:5];

         indirect_ = [[[IndirectDelegate alloc] initWithDelegate:self] autorelease];
 
         reloaditem_ = [[[UIBarButtonItem alloc]
         indirect_ = [[[IndirectDelegate alloc] initWithDelegate:self] autorelease];
 
         reloaditem_ = [[[UIBarButtonItem alloc]


@@ -788,14 +852,24 @@ float CYScrollViewDecelerationRateNormal;
         ] autorelease];
 
         loadingitem_ = [[[UIBarButtonItem alloc]
         ] autorelease];
 
         loadingitem_ = [[[UIBarButtonItem alloc]

-            initWithTitle:@" "
+            initWithTitle:(kCFCoreFoundationVersionNumber >= 800 ? @"       " : @" ")

             style:UIBarButtonItemStylePlain
             target:self
             action:@selector(reloadButtonClicked)
         ] autorelease];
 
             style:UIBarButtonItemStylePlain
             target:self
             action:@selector(reloadButtonClicked)
         ] autorelease];
 

-        indicator_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite] autorelease];
-        [indicator_ setFrame:CGRectMake(15, 5, [indicator_ frame].size.width, [indicator_ frame].size.height)];
+        UIActivityIndicatorViewStyle style;
+        float left;
+        if (kCFCoreFoundationVersionNumber >= 800) {
+            style = UIActivityIndicatorViewStyleGray;
+            left = 7;
+        } else {
+            style = UIActivityIndicatorViewStyleWhite;
+            left = 15;
+        }
+
+        indicator_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:style] autorelease];
+        [indicator_ setFrame:CGRectMake(left, 5, [indicator_ frame].size.width, [indicator_ frame].size.height)];

         [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
 
         [self applyLeftButton];
         [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
 
         [self applyLeftButton];


@@ -826,11 +900,6 @@ float CYScrollViewDecelerationRateNormal;
     // XXX: I think this improves scrolling; the hardcoded-ness sucks
     [document setTileSize:CGSizeMake(320, 500)];
 
     // XXX: I think this improves scrolling; the hardcoded-ness sucks
     [document setTileSize:CGSizeMake(320, 500)];
 

-    [document setBackgroundColor:[UIColor clearColor]];
-
-    // XXX: this is terribly (too?) expensive
-    [document setDrawsBackground:NO];
-

     WebView *webview([document webView]);
     WebPreferences *preferences([webview preferences]);
 
     WebView *webview([document webView]);
     WebPreferences *preferences([webview preferences]);
 


@@ -842,7 +911,9 @@ float CYScrollViewDecelerationRateNormal;
 
     [preferences setCacheModel:WebCacheModelDocumentBrowser];
     [preferences setJavaScriptCanOpenWindowsAutomatically:YES];
 
     [preferences setCacheModel:WebCacheModelDocumentBrowser];
     [preferences setJavaScriptCanOpenWindowsAutomatically:YES];

-    [preferences setOfflineWebApplicationCacheEnabled:YES];
+
+    if ([preferences respondsToSelector:@selector(setOfflineWebApplicationCacheEnabled:)])
+        [preferences setOfflineWebApplicationCacheEnabled:YES];

 
     if (NSString *agent = [self applicationNameForUserAgent])
         [webview setApplicationNameForUserAgent:agent];
 
     if (NSString *agent = [self applicationNameForUserAgent])
         [webview setApplicationNameForUserAgent:agent];


@@ -883,8 +954,11 @@ float CYScrollViewDecelerationRateNormal;
         //[scroller setAllowsRubberBanding:YES];
     }
 
         //[scroller setAllowsRubberBanding:YES];
     }
 

+    [webview_ setOpaque:NO];
+    [webview_ setBackgroundColor:color_];
+

     [scroller_ setFixedBackgroundPattern:YES];
     [scroller_ setFixedBackgroundPattern:YES];

-    [scroller_ setBackgroundColor:[UIColor clearColor]];
+    [scroller_ setBackgroundColor:color_];

     [scroller_ setClipsSubviews:YES];
 
     [scroller_ setBounces:YES];
     [scroller_ setClipsSubviews:YES];
 
     [scroller_ setBounces:YES];


@@ -893,11 +967,6 @@ float CYScrollViewDecelerationRateNormal;
 
     [self setViewportWidth:width_];
 
 
     [self setViewportWidth:width_];
 

-    UITableView *table([[[UITableView alloc] initWithFrame:[webview_ bounds] style:UITableViewStyleGrouped] autorelease]);
-    [table setScrollsToTop:NO];
-    [webview_ insertSubview:table atIndex:0];
-
-    [table setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];

     [webview_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
 
     ready_ = false;
     [webview_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
 
     ready_ = false;


@@ -940,11 +1009,12 @@ float CYScrollViewDecelerationRateNormal;
 
     JSGlobalContextRef context([frame globalContext]);
     JSObjectRef object([function JSObject]);
 
     JSGlobalContextRef context([frame globalContext]);
     JSObjectRef object([function JSObject]);

-    JSObjectCallAsFunction(context, object, NULL, 0, NULL, NULL);
+    if ($JSObjectCallAsFunction != NULL)
+        ($JSObjectCallAsFunction)(context, object, NULL, 0, NULL, NULL);

 }
 
 - (void) reloadButtonClicked {
 }
 
 - (void) reloadButtonClicked {

-    [self reloadURLWithCache:YES];
+    [self reloadURLWithCache:NO];

 }
 
 - (void) _customButtonClicked {
 }
 
 - (void) _customButtonClicked {


@@ -1087,4 +1157,16 @@ float CYScrollViewDecelerationRateNormal;
     [self dispatchEvent:@"CydiaViewDidDisappear"];
 }
 
     [self dispatchEvent:@"CydiaViewDidDisappear"];
 }
 

+- (void) updateHeights:(NSTimer *)timer {
+    for (WebFrame *frame in (id) registered_)
+        [frame cydia$updateHeight];
+}
+
+- (void) registerFrame:(WebFrame *)frame {
+    [registered_ addObject:frame];
+
+    if (timer_ == nil)
+        timer_ = [NSTimer scheduledTimerWithTimeInterval:0.2 target:self selector:@selector(updateHeights:) userInfo:nil repeats:YES];
+}
+

 @end
 @end