Animations: Introduce compositor AnimationPlayer and AnimationTimeline.

Source/web/ChromeClientImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 89 matching lines @@
 #include "web/WebPopupMenuImpl.h"
 #include "web/WebSettingsImpl.h"
 #include "web/WebViewImpl.h"
 #include "wtf/text/CString.h"
 #include "wtf/text/StringBuilder.h"
 #include "wtf/text/StringConcatenate.h"
 #include "wtf/unicode/CharacterNames.h"
 
 namespace blink {
 
+class WebCompositorAnimationTimeline;
+
 // Converts a AXObjectCache::AXNotification to a WebAXEvent
 static WebAXEvent toWebAXEvent(AXObjectCache::AXNotification notification)
 {
     // These enums have the same values; enforced in AssertMatchingEnums.cpp.
     return static_cast<WebAXEvent>(notification);
 }
 
 static WebSelectionBound toWebSelectionBound(const CompositedSelectionBound& bound)
 {
     ASSERT(bound.layer);
@@ skipping 581 matching lines @@
         // lands that instantiates a WebFrameWidget.
         if (!webFrame->frameWidget()) {
             m_webView->setRootGraphicsLayer(rootLayer);
             return;
         }
         ASSERT(webFrame && webFrame->frameWidget());
         webFrame->frameWidget()->setRootGraphicsLayer(rootLayer);
     }
 }
 
+void ChromeClientImpl::attachCompositorAnimationTimeline(WebCompositorAnimationTimeline* compositorTimeline, LocalFrame* localRoot)
+{
+    // FIXME: For top-level frames we still use the WebView as a WebWidget. This special
+    // case will be removed when top-level frames get WebFrameWidgets.
+    if (localRoot->isMainFrame()) {
+        m_webView->attachCompositorAnimationTimeline(compositorTimeline);
+    } else {
+        WebLocalFrameImpl* webFrame = WebLocalFrameImpl::fromFrame(localRoot);
+        // FIXME: The following conditional is only needed for staging until the Chromium patch
+        // lands that instantiates a WebFrameWidget.
+        if (!webFrame->frameWidget()) {
+            m_webView->attachCompositorAnimationTimeline(compositorTimeline);
+            return;
+        }
+        ASSERT(webFrame && webFrame->frameWidget());
+        webFrame->frameWidget()->attachCompositorAnimationTimeline(compositorTimeline);
+    }
+}
+
+void ChromeClientImpl::detachCompositorAnimationTimeline(WebCompositorAnimationTimeline* compositorTimeline, LocalFrame* localRoot)
+{
+    // FIXME: For top-level frames we still use the WebView as a WebWidget. This special
+    // case will be removed when top-level frames get WebFrameWidgets.
+    if (localRoot->isMainFrame()) {
+        m_webView->detachCompositorAnimationTimeline(compositorTimeline);
+    } else {
+        WebLocalFrameImpl* webFrame = WebLocalFrameImpl::fromFrame(localRoot);
+        // FIXME: The following conditional is only needed for staging until the Chromium patch
+        // lands that instantiates a WebFrameWidget.
+        if (!webFrame->frameWidget()) {
+            m_webView->detachCompositorAnimationTimeline(compositorTimeline);
+            return;
+        }
+        ASSERT(webFrame && webFrame->frameWidget());
+        webFrame->frameWidget()->detachCompositorAnimationTimeline(compositorTimeline);
+    }
+}
+
 void ChromeClientImpl::enterFullScreenForElement(Element* element)
 {
     m_webView->enterFullScreenForElement(element);
 }
 
 void ChromeClientImpl::exitFullScreenForElement(Element* element)
 {
     m_webView->exitFullScreenForElement(element);
 }
 
@@ skipping 170 matching lines @@
     if (m_webView->rootGraphicsLayer() && m_webView->layerTreeView())
         m_webView->page()->frameHost().pinchViewport().registerLayersWithTreeView(m_webView->layerTreeView());
 }
 
 void ChromeClientImpl::didUpdateTopControls() const
 {
     m_webView->didUpdateTopControls();
 }
 
 } // namespace blink