Make memoryCache() return a reference
[WebKit-https.git] / Source / WebKit / mac / WebView / WebView.mm
index 7f6fffa..290c111 100644 (file)
@@ -97,6 +97,7 @@
 #import "WebProgressTrackerClient.h"
 #import "WebScriptDebugDelegate.h"
 #import "WebScriptWorldInternal.h"
+#import "WebSelectionServiceController.h"
 #import "WebStorageManagerInternal.h"
 #import "WebSystemInterface.h"
 #import "WebTextCompletionController.h"
 #import <WebCore/ApplicationCacheStorage.h>
 #import <WebCore/BackForwardController.h>
 #import <WebCore/BackForwardList.h>
-#import <WebCore/MemoryCache.h>
+#import <WebCore/CFNetworkSPI.h>
 #import <WebCore/Chrome.h>
 #import <WebCore/ColorMac.h>
 #import <WebCore/Cursor.h>
 #import <WebCore/GCController.h>
 #import <WebCore/GeolocationController.h>
 #import <WebCore/GeolocationError.h>
-#import <WebCore/HTMLMediaElement.h>
 #import <WebCore/HTMLNames.h>
+#import <WebCore/HTMLVideoElement.h>
 #import <WebCore/HistoryController.h>
 #import <WebCore/HistoryItem.h>
 #import <WebCore/IconDatabase.h>
 #import <WebCore/Logging.h>
 #import <WebCore/MIMETypeRegistry.h>
 #import <WebCore/MainFrame.h>
+#import <WebCore/MemoryCache.h>
 #import <WebCore/MemoryPressureHandler.h>
+#import <WebCore/NSURLFileTypeMappingsSPI.h>
 #import <WebCore/NodeList.h>
 #import <WebCore/Notification.h>
 #import <WebCore/NotificationController.h>
 #import <runtime/ArrayPrototype.h>
 #import <runtime/DateInstance.h>
 #import <runtime/InitializeThreading.h>
-#import <runtime/JSLock.h>
 #import <runtime/JSCJSValue.h>
+#import <runtime/JSLock.h>
 #import <wtf/Assertions.h>
 #import <wtf/HashTraits.h>
 #import <wtf/MainThread.h>
 #import <wtf/StdLibExtras.h>
 
 #if !PLATFORM(IOS)
+#import "WebActionMenuController.h"
 #import "WebContextMenuClient.h"
 #import "WebFullScreenController.h"
 #import "WebNSEventExtras.h"
 #import "WebNSPasteboardExtras.h"
 #import "WebNSPrintOperationExtras.h"
 #import "WebPDFView.h"
+#import <WebCore/NSViewSPI.h>
 #import <WebCore/WebVideoFullscreenController.h>
 #else
 #import "MemoryMeasure.h"
 #import "WebStorageManagerPrivate.h"
 #import "WebUIKitSupport.h"
 #import "WebVisiblePosition.h"
-#import <CFNetwork/CFURLCachePriv.h>
-#import <MobileGestalt.h>
+#import <WebCore/DispatchSPI.h>
 #import <WebCore/EventNames.h>
 #import <WebCore/FontCache.h>
 #import <WebCore/GraphicsLayer.h>
 #import <WebCore/IconController.h>
 #import <WebCore/LegacyTileCache.h>
+#import <WebCore/MobileGestaltSPI.h>
 #import <WebCore/NetworkStateNotifier.h>
 #import <WebCore/RuntimeApplicationChecksIOS.h>
 #import <WebCore/SQLiteDatabaseTracker.h>
 #import <WebCore/WebCoreThreadRun.h>
 #import <WebCore/WebEvent.h>
 #import <WebCore/WebVideoFullscreenControllerAVKit.h>
-#import <dispatch/private.h>
 #import <wtf/FastMalloc.h>
 #endif // !PLATFORM(IOS)
 
 #import <WebKitLegacy/WebDashboardRegion.h>
 #endif
 
-#if ENABLE(DISK_IMAGE_CACHE) && PLATFORM(IOS)
-#import "WebDiskImageCacheClientIOS.h"
-#import <WebCore/DiskImageCacheIOS.h>
-#endif
-
 #if ENABLE(REMOTE_INSPECTOR)
 #import <JavaScriptCore/RemoteInspector.h>
 #if PLATFORM(IOS)
 #include <WebCore/QuickLook.h>
 #endif
 
-#if ENABLE(TOUCH_EVENTS)
+#if ENABLE(IOS_TOUCH_EVENTS)
 #import <WebCore/WebEventRegion.h>
 #endif
 
-#if ENABLE(DISK_IMAGE_CACHE)
-#import "WebDiskImageCacheClientIOS.h"
-#import <WebCore/DiskImageCacheIOS.h>
-#endif
-
 #if ENABLE(GAMEPAD)
 #import <WebCore/HIDGamepadProvider.h>
 #endif
@@ -875,6 +869,12 @@ static void WebKitInitializeGamepadProviderIfNecessary()
     [frameView release];
 
 #if !PLATFORM(IOS)
+    if ([self respondsToSelector:@selector(setActionMenu:)]) {
+        RetainPtr<NSMenu> actionMenu = adoptNS([[NSMenu alloc] init]);
+        self.actionMenu = actionMenu.get();
+        _private->actionMenuController = [[WebActionMenuController alloc] initWithWebView:self];
+    }
+
     static bool didOneTimeInitialization = false;
 #endif
     if (!didOneTimeInitialization) {
@@ -902,9 +902,6 @@ static void WebKitInitializeGamepadProviderIfNecessary()
 #endif
         WebKitInitializeStorageIfNecessary();
         WebKitInitializeApplicationCachePathIfNecessary();
-#if ENABLE(DISK_IMAGE_CACHE) && PLATFORM(IOS)
-        WebKitInitializeWebDiskImageCache();
-#endif
 #if ENABLE(GAMEPAD)
         WebKitInitializeGamepadProviderIfNecessary();
 #endif
@@ -1098,7 +1095,7 @@ static void WebKitInitializeGamepadProviderIfNecessary()
     NSEnumerator *enumerator = [MIMETypes objectEnumerator];
     NSString *MIMEType;
     while ((MIMEType = [enumerator nextObject]) != nil) {
-        NSArray *extensionsForType = WKGetExtensionsForMIMEType(MIMEType);
+        NSArray *extensionsForType = [[NSURLFileTypeMappings sharedMappings] extensionsForMIMEType:MIMEType];
         if (extensionsForType) {
             [extensions addObjectsFromArray:extensionsForType];
         }
@@ -1229,13 +1226,6 @@ static void WebKitInitializeGamepadProviderIfNecessary()
 
     tileControllerMemoryHandler().trimUnparentedTilesToTarget(0);
 
-#if ENABLE(DISK_IMAGE_CACHE)
-    {
-        WebKit::MemoryMeasure measurer("Memory warning: flushing images to disk.");
-        WebCore::memoryCache()->flushCachedImagesToDisk();
-    }
-#endif
-
     [WebStorageManager closeIdleLocalStorageDatabases];
 
     [WebView _releaseMemoryNow];
@@ -1495,7 +1485,7 @@ static NSMutableSet *knownPluginMIMETypes()
 #if !PLATFORM(IOS)
 + (NSString *)suggestedFileExtensionForMIMEType:(NSString *)type
 {
-    return WKGetPreferredExtensionForMIMEType(type);
+    return [[NSURLFileTypeMappings sharedMappings] preferredExtensionForMIMEType:type];
 }
 #endif
 
@@ -1572,9 +1562,8 @@ static NSMutableSet *knownPluginMIMETypes()
     _private->mainViewIsScrollingOrZooming = NO;
     [self setDefersCallbacks:NO];
     [[self mainFrame] setTimeoutsPaused:NO];
-    FrameView* view = [self _mainCoreFrame]->view();
-    if (view && view->renderView())
-        view->renderView()->resumePausedImageAnimationsIfNeeded();
+    if (FrameView* view = [self _mainCoreFrame]->view())
+        view->resumeVisibleImageAnimationsIncludingSubframes();
 }
 
 - (void)_setResourceLoadSchedulerSuspended:(BOOL)suspend
@@ -1699,7 +1688,7 @@ static bool fastDocumentTeardownEnabled()
     }
 
 #if ENABLE(VIDEO) && !PLATFORM(IOS)
-    [self _exitFullscreen];
+    [self _exitVideoFullscreen];
 #endif
 
 #if PLATFORM(IOS)
@@ -1721,6 +1710,7 @@ static bool fastDocumentTeardownEnabled()
     [self setUIDelegate:nil];
 
     [_private->inspector webViewClosed];
+    [_private->actionMenuController webViewClosed];
 #endif
 
 #if !PLATFORM(IOS)
@@ -1798,7 +1788,7 @@ static bool fastDocumentTeardownEnabled()
 #if !PLATFORM(IOS)
     // Get the MIME type from the extension.
     if ([extension length] != 0) {
-        MIMEType = WKGetMIMETypeForExtension(extension);
+        MIMEType = [[NSURLFileTypeMappings sharedMappings] MIMETypeForExtension:extension];
     }
 #endif
 
@@ -2232,6 +2222,7 @@ static bool needsSelfRetainWhileLoadingQuirk()
     settings.setApplicationChromeMode([preferences applicationChromeModeEnabled]);
 
     settings.setNeedsSiteSpecificQuirks(_private->useSiteSpecificSpoofing);
+    settings.setDOMTimersThrottlingEnabled([preferences domTimersThrottlingEnabled]);
     settings.setWebArchiveDebugModeEnabled([preferences webArchiveDebugModeEnabled]);
     settings.setLocalFileContentSniffingEnabled([preferences localFileContentSniffingEnabled]);
     settings.setOfflineWebApplicationCacheEnabled([preferences offlineWebApplicationCacheEnabled]);
@@ -2267,6 +2258,7 @@ static bool needsSelfRetainWhileLoadingQuirk()
 
     settings.setMediaPlaybackRequiresUserGesture([preferences mediaPlaybackRequiresUserGesture]);
     settings.setMediaPlaybackAllowsInline([preferences mediaPlaybackAllowsInline]);
+    settings.setAllowsAlternateFullscreen([preferences allowsAlternateFullscreen]);
     settings.setSuppressesIncrementalRendering([preferences suppressesIncrementalRendering]);
     settings.setBackspaceKeyNavigationEnabled([preferences backspaceKeyNavigationEnabled]);
     settings.setWantsBalancedSetDefersLoadingBehavior([preferences wantsBalancedSetDefersLoadingBehavior]);
@@ -2298,10 +2290,15 @@ static bool needsSelfRetainWhileLoadingQuirk()
     settings.setPlugInSnapshottingEnabled([preferences plugInSnapshottingEnabled]);
 
     settings.setFixedPositionCreatesStackingContext(true);
-#if PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 10100
+#if PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101000
     settings.setAcceleratedCompositingForFixedPositionEnabled(true);
 #endif
 
+#if ENABLE(RUBBER_BANDING)
+    // FIXME: https://bugs.webkit.org/show_bug.cgi?id=136131
+    settings.setRubberBandingForSubScrollableRegionsEnabled(false);
+#endif
+
 #if PLATFORM(IOS)
     settings.setStandalone([preferences _standalone]);
     settings.setTelephoneNumberParsingEnabled([preferences _telephoneNumberParsingEnabled]);
@@ -2327,8 +2324,6 @@ static bool needsSelfRetainWhileLoadingQuirk()
 #if ENABLE(IOS_TEXT_AUTOSIZING)
     settings.setMinimumZoomFontSize([preferences _minimumZoomFontSize]);
 #endif
-
-    settings.setAllowNavigationToInvalidURL(!WebKitLinkedOnOrAfter(WEBKIT_FIRST_VERSION_WITH_NAVIGATION_URL_VALIDATION));
 #endif // PLATFORM(IOS)
 
 #if PLATFORM(MAC)
@@ -2350,9 +2345,6 @@ static bool needsSelfRetainWhileLoadingQuirk()
     settings.setShowsURLsInToolTips([preferences showsURLsInToolTips]);
     settings.setShowsToolTipOverTruncatedText([preferences showsToolTipOverTruncatedText]);
     settings.setQTKitEnabled([preferences isQTKitEnabled]);
-
-    // FIXME: Should we enable this following <rdar://problem/15290404>?
-    settings.setMultithreadedWebGLEnabled([preferences multithreadedWebGLEnabled]);
 #endif // PLATFORM(MAC)
 
 #if ENABLE(SQL_DATABASE)
@@ -2365,6 +2357,7 @@ static bool needsSelfRetainWhileLoadingQuirk()
 
 #if ENABLE(SERVICE_CONTROLS)
     settings.setImageControlsEnabled([preferences imageControlsEnabled]);
+    settings.setServiceControlsEnabled([preferences serviceControlsEnabled]);
 #endif
 
 #if ENABLE(VIDEO_TRACK)
@@ -2406,19 +2399,16 @@ static bool needsSelfRetainWhileLoadingQuirk()
     if (_private->zoomsTextOnly != zoomsTextOnly)
         [self _setZoomMultiplier:_private->zoomMultiplier isTextOnly:zoomsTextOnly];
 
-#if ENABLE(DISK_IMAGE_CACHE) && PLATFORM(IOS)
-    DiskImageCache& diskImageCache = WebCore::diskImageCache();
-    diskImageCache.setEnabled([preferences diskImageCacheEnabled]);
-    diskImageCache.setMinimumImageSize([preferences diskImageCacheMinimumImageSize]);
-    diskImageCache.setMaximumCacheSize([preferences diskImageCacheMaximumCacheSize]);
-#endif
-
 #if PLATFORM(IOS)
     [[self window] setTileBordersVisible:[preferences showDebugBorders]];
     [[self window] setTilePaintCountsVisible:[preferences showRepaintCounter]];
     [[self window] setAcceleratedDrawingEnabled:[preferences acceleratedDrawingEnabled]];
     [WAKView _setInterpolationQuality:[preferences _interpolationQuality]];
 #endif
+
+#if ENABLE(ENCRYPTED_MEDIA_V2)
+    settings.setMediaKeysStorageDirectory([preferences mediaKeysStorageDirectory]);
+#endif
 }
 
 static inline IMP getMethod(id o, SEL s)
@@ -2985,8 +2975,8 @@ static inline IMP getMethod(id o, SEL s)
     NSView *documentView = [[kit(&frameView->frame()) frameView] documentView];
 
     for (const auto& widget: frameView->children()) {
-        if (widget->isFrameView()) {
-            [self _addScrollerDashboardRegionsForFrameView:toFrameView(widget.get()) dashboardRegions:regions];
+        if (is<FrameView>(*widget)) {
+            [self _addScrollerDashboardRegionsForFrameView:downcast<FrameView>(widget.get()) dashboardRegions:regions];
             continue;
         }
 
@@ -3057,7 +3047,7 @@ static inline IMP getMethod(id o, SEL s)
             [regionValues release];
         }
 
-        WebDashboardRegion *webRegion = [[WebDashboardRegion alloc] initWithRect:pixelSnappedIntRect(region.bounds) clip:pixelSnappedIntRect(region.clip) type:type];
+        WebDashboardRegion *webRegion = [[WebDashboardRegion alloc] initWithRect:snappedIntRect(region.bounds) clip:snappedIntRect(region.clip) type:type];
         [regionValues addObject:webRegion];
         [webRegion release];
     }
@@ -3440,7 +3430,7 @@ static inline IMP getMethod(id o, SEL s)
             continue;
         
         if (layerForWidget->contentsLayerForMedia() != layer) {
-            layerForWidget->setContentsToMedia(layer);
+            layerForWidget->setContentsToPlatformLayer(layer, GraphicsLayer::ContentsLayerForMedia);
             // We need to make sure the layer hierachy change is applied immediately.
             if (mainCoreFrame->view())
                 mainCoreFrame->view()->flushCompositingStateIncludingSubframes();
@@ -3684,6 +3674,11 @@ static inline IMP getMethod(id o, SEL s)
         if (rect.isEmpty())
             continue;
 
+        // Note that these rectangles are in the coordinate system of the document (inside the WebHTMLView), which is not
+        // the same as the coordinate system of the WebView. If you want to do comparisons with locations in the WebView,
+        // you must convert between the two using WAKView's convertRect:toView: selector. This will take care of scaling
+        // and translations (which are relevant for right-to-left column layout).
+
         // The event region wants this points in this order:
         //  p2------p3
         //  |       |
@@ -3910,7 +3905,7 @@ static inline IMP getMethod(id o, SEL s)
     NSMutableArray* rectsArray = [[NSMutableArray alloc] initWithCapacity:repaintRects.size()];
     
     for (unsigned i = 0; i < repaintRects.size(); ++i)
-        [rectsArray addObject:[NSValue valueWithRect:pixelSnappedIntRect(LayoutRect(repaintRects[i]))]];
+        [rectsArray addObject:[NSValue valueWithRect:snappedIntRect(LayoutRect(repaintRects[i]))]];
 
     return [rectsArray autorelease];
 }
@@ -5092,26 +5087,32 @@ static bool needsWebViewInitThreadWorkaround()
     if (WebCoreObjCScheduleDeallocateOnMainThread([WebView class], self))
         return;
 
+    // Because the machinations of the view's shutdown may cause self to be added to
+    // active autorelease pool, we capture any such releases here to ensure they are
+    // carried out before we are dealloc'd.
+    @autoreleasepool {
+
 #if PLATFORM(IOS)
-    if (_private)
-        [_private->_geolocationProvider stopTrackingWebView:self];
+        if (_private)
+            [_private->_geolocationProvider stopTrackingWebView:self];
 #endif
 
-    // call close to ensure we tear-down completely
-    // this maintains our old behavior for existing applications
-    [self close];
+        // call close to ensure we tear-down completely
+        // this maintains our old behavior for existing applications
+        [self close];
 
-    if ([[self class] shouldIncludeInWebKitStatistics])
-        --WebViewCount;
+        if ([[self class] shouldIncludeInWebKitStatistics])
+            --WebViewCount;
 
 #if !PLATFORM(IOS)
-    if ([self _needsFrameLoadDelegateRetainQuirk])
-        [_private->frameLoadDelegate release];
+        if ([self _needsFrameLoadDelegateRetainQuirk])
+            [_private->frameLoadDelegate release];
 #endif
-        
-    [_private release];
-    // [super dealloc] can end up dispatching against _private (3466082)
-    _private = nil;
+
+        [_private release];
+        // [super dealloc] can end up dispatching against _private (3466082)
+        _private = nil;
+    }
 
     [super dealloc];
 }
@@ -7547,7 +7548,7 @@ static NSAppleEventDescriptor* aeDescFromJSValue(ExecState* exec, JSC::JSValue j
     if (Frame* coreFrame = core(webFrame)) {
         // FIXME: We shouldn't have to make a copy here.
         Ref<MutableStyleProperties> properties(core(style)->copyProperties());
-        coreFrame->editor().applyStyle(&properties.get());
+        coreFrame->editor().applyStyle(properties.ptr());
     }
 }
 
@@ -7899,8 +7900,8 @@ static inline uint64_t roundUpToPowerOf2(uint64_t num)
     // Don't shrink a big disk cache, since that would cause churn.
     nsurlCacheDiskCapacity = std::max(nsurlCacheDiskCapacity, [nsurlCache diskCapacity]);
 
-    memoryCache()->setCapacities(cacheMinDeadCapacity, cacheMaxDeadCapacity, cacheTotalCapacity);
-    memoryCache()->setDeadDecodedDataDeletionInterval(deadDecodedDataDeletionInterval);
+    memoryCache().setCapacities(cacheMinDeadCapacity, cacheMaxDeadCapacity, cacheTotalCapacity);
+    memoryCache().setDeadDecodedDataDeletionInterval(deadDecodedDataDeletionInterval);
     pageCache()->setCapacity(pageCacheCapacity);
 #if PLATFORM(IOS)
     pageCache()->setShouldClearBackingStores(true);
@@ -8385,39 +8386,36 @@ bool LayerFlushController::flushLayers()
 #endif
 
 #if ENABLE(VIDEO)
-- (void)_enterFullscreenForNode:(WebCore::Node*)node
+- (void)_enterVideoFullscreenForVideoElement:(WebCore::HTMLVideoElement*)videoElement mode:(WebCore::HTMLMediaElement::VideoFullscreenMode)mode
 {
-    ASSERT(isHTMLVideoElement(node));
-    HTMLMediaElement* videoElement = toHTMLMediaElement(node);
-
     if (_private->fullscreenController) {
-        if ([_private->fullscreenController mediaElement] == videoElement) {
+        if ([_private->fullscreenController videoElement] == videoElement) {
             // The backend may just warn us that the underlaying plaftormMovie()
             // has changed. Just force an update.
-            [_private->fullscreenController setMediaElement:videoElement];
+            [_private->fullscreenController setVideoElement:videoElement];
             return; // No more to do.
         }
 
-        // First exit Fullscreen for the old mediaElement.
-        [_private->fullscreenController mediaElement]->exitFullscreen();
+        // First exit Fullscreen for the old videoElement.
+        [_private->fullscreenController videoElement]->exitFullscreen();
         // This previous call has to trigger _exitFullscreen,
         // which has to clear _private->fullscreenController.
         ASSERT(!_private->fullscreenController);
     }
     if (!_private->fullscreenController) {
         _private->fullscreenController = [[WebVideoFullscreenController alloc] init];
-        [_private->fullscreenController setMediaElement:videoElement];
+        [_private->fullscreenController setVideoElement:videoElement];
 #if PLATFORM(IOS)
-        [_private->fullscreenController enterFullscreen:(UIView *)[[[self window] hostLayer] delegate]];
+        [_private->fullscreenController enterFullscreen:(UIView *)[[[self window] hostLayer] delegate] mode:mode];
 #else
         [_private->fullscreenController enterFullscreen:[[self window] screen]];
 #endif
     }
     else
-        [_private->fullscreenController setMediaElement:videoElement];
+        [_private->fullscreenController setVideoElement:videoElement];
 }
 
-- (void)_exitFullscreen
+- (void)_exitVideoFullscreen
 {
     if (!_private->fullscreenController)
         return;
@@ -8426,7 +8424,7 @@ bool LayerFlushController::flushLayers()
     _private->fullscreenController = nil;
 }
 
-#endif // ENABLE(VIDEO) && !PLATFORM(IOS)
+#endif // ENABLE(VIDEO)
 
 #if ENABLE(FULLSCREEN_API) && !PLATFORM(IOS)
 - (BOOL)_supportsFullScreenForElement:(const WebCore::Element*)element withKeyboard:(BOOL)withKeyboard
@@ -8520,6 +8518,15 @@ static void glibContextIterationCallback(CFRunLoopObserverRef, CFRunLoopActivity
 }
 #endif
 
+#if ENABLE(SERVICE_CONTROLS)
+- (WebSelectionServiceController&)_selectionServiceController
+{
+    if (!_private->_selectionServiceController)
+        _private->_selectionServiceController = std::make_unique<WebSelectionServiceController>(self);
+    return *_private->_selectionServiceController;
+}
+#endif
+
 - (NSPoint)_convertPointFromRootView:(NSPoint)point
 {
     return NSMakePoint(point.x, [self bounds].size.height - point.y);
@@ -8530,6 +8537,32 @@ static void glibContextIterationCallback(CFRunLoopObserverRef, CFRunLoopActivity
     return NSMakeRect(rect.origin.x, [self bounds].size.height - rect.origin.y - rect.size.height, rect.size.width, rect.size.height);
 }
 
+#if !PLATFORM(IOS)
+- (void)prepareForMenu:(NSMenu *)menu withEvent:(NSEvent *)event
+{
+    if (menu != self.actionMenu)
+        return;
+
+    [_private->actionMenuController prepareForMenu:menu withEvent:event];
+}
+
+- (void)willOpenMenu:(NSMenu *)menu withEvent:(NSEvent *)event
+{
+    if (menu != self.actionMenu)
+        return;
+
+    [_private->actionMenuController willOpenMenu:menu withEvent:event];
+}
+
+- (void)didCloseMenu:(NSMenu *)menu withEvent:(NSEvent *)event
+{
+    if (menu != self.actionMenu)
+        return;
+
+    [_private->actionMenuController didCloseMenu:menu withEvent:event];
+}
+#endif
+
 @end
 
 @implementation WebView (WebViewDeviceOrientation)
@@ -8648,7 +8681,7 @@ static void glibContextIterationCallback(CFRunLoopObserverRef, CFRunLoopActivity
 {
 #if ENABLE(NOTIFICATIONS) || ENABLE(LEGACY_NOTIFICATIONS)
     JSContextRef context = [[self mainFrame] globalContext];
-    WebCore::Notification* notification = toNotification(toJS(toJS(context), jsNotification));
+    WebCore::Notification* notification = JSNotification::toWrapped(toJS(toJS(context), jsNotification));
     return static_cast<WebNotificationClient*>(NotificationController::clientFrom(_private->page))->notificationIDForTesting(notification);
 #else
     return 0;