Animations: Port LinkHighlight to use compositor timelines.

Source/web/LinkHighlight.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 19 matching lines @@
 #include "core/dom/LayoutTreeBuilderTraversal.h"
 #include "core/dom/Node.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/layout/LayoutBoxModelObject.h"
 #include "core/layout/LayoutObject.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/compositing/CompositedDeprecatedPaintLayerMapping.h"
 #include "core/style/ShadowData.h"
 #include "core/paint/DeprecatedPaintLayer.h"
+#include "platform/RuntimeEnabledFeatures.h"
 #include "platform/graphics/Color.h"
 #include "platform/graphics/paint/DrawingRecorder.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebCompositorAnimationCurve.h"
 #include "public/platform/WebCompositorSupport.h"
 #include "public/platform/WebDisplayItemList.h"
 #include "public/platform/WebFloatAnimationCurve.h"
 #include "public/platform/WebFloatPoint.h"
 #include "public/platform/WebRect.h"
 #include "public/platform/WebSize.h"
@@ skipping 19 matching lines @@
     : m_node(node)
     , m_owningWebViewImpl(owningWebViewImpl)
     , m_currentGraphicsLayer(0)
     , m_geometryNeedsUpdate(false)
     , m_isAnimating(false)
     , m_startTime(monotonicallyIncreasingTime())
 {
     ASSERT(m_node);
     ASSERT(owningWebViewImpl);
     WebCompositorSupport* compositorSupport = Platform::current()->compositorSupport();
+    ASSERT(compositorSupport);
     m_contentLayer = adoptPtr(compositorSupport->createContentLayer(this));
-    owningWebViewImpl->registerForAnimations(m_contentLayer->layer());
     m_clipLayer = adoptPtr(compositorSupport->createLayer());
     m_clipLayer->setTransformOrigin(WebFloatPoint3D());
     m_clipLayer->addChild(m_contentLayer->layer());
-    m_contentLayer->layer()->setAnimationDelegate(this);
+    if (RuntimeEnabledFeatures::compositorAnimationTimelinesEnabled()) {
+        m_compositorPlayer = adoptPtr(compositorSupport->createAnimationPlayer());
+        ASSERT(m_compositorPlayer);
+        m_compositorPlayer->setAnimationDelegate(this);
+        m_owningWebViewImpl->linkHighlightsTimeline()->playerAttached(*this);
+        m_compositorPlayer->attachLayer(m_contentLayer->layer());
+    } else {
+        owningWebViewImpl->registerForAnimations(m_contentLayer->layer());
+        m_contentLayer->layer()->setAnimationDelegate(this);
+    }
     m_contentLayer->layer()->setDrawsContent(true);
     m_contentLayer->layer()->setOpacity(1);
     m_geometryNeedsUpdate = true;
     updateGeometry();
 }
 
 LinkHighlight::~LinkHighlight()
 {
+    if (m_compositorPlayer) {
+        m_compositorPlayer->detachLayer();
+        m_owningWebViewImpl->linkHighlightsTimeline()->playerDestroyed(*this);
+        m_compositorPlayer->setAnimationDelegate(nullptr);
+    }
+    m_compositorPlayer.clear();
+
     clearGraphicsLayerLinkHighlightPointer();
     releaseResources();
 }
 
 WebContentLayer* LinkHighlight::contentLayer()
 {
     return m_contentLayer.get();
 }
 
 WebLayer* LinkHighlight::clipLayer()
@@ skipping 182 matching lines @@
     // Make sure we have displayed for at least minPreFadeDuration before starting to fade out.
     float extraDurationRequired = std::max(0.f, minPreFadeDuration - static_cast<float>(monotonicallyIncreasingTime() - m_startTime));
     if (extraDurationRequired)
         curve->add(WebFloatKeyframe(extraDurationRequired, startOpacity));
     // For layout tests we don't fade out.
     curve->add(WebFloatKeyframe(fadeDuration + extraDurationRequired, layoutTestMode() ? startOpacity : 0));
 
     OwnPtr<WebCompositorAnimation> animation = adoptPtr(compositorSupport->createAnimation(*curve, WebCompositorAnimation::TargetPropertyOpacity));
 
     m_contentLayer->layer()->setDrawsContent(true);
-    m_contentLayer->layer()->addAnimation(animation.leakPtr());
+    if (RuntimeEnabledFeatures::compositorAnimationTimelinesEnabled())
+        m_compositorPlayer->addAnimation(animation.leakPtr());
+    else
+        m_contentLayer->layer()->addAnimation(animation.leakPtr());
 
     invalidate();
     m_owningWebViewImpl->scheduleAnimation();
 }
 
 void LinkHighlight::clearGraphicsLayerLinkHighlightPointer()
 {
     if (m_currentGraphicsLayer) {
         m_currentGraphicsLayer->removeLinkHighlight(this);
         m_currentGraphicsLayer = 0;
@@ skipping 48 matching lines @@
 {
     // Make sure we update geometry on the next callback from WebViewImpl::layout().
     m_geometryNeedsUpdate = true;
 }
 
 WebLayer* LinkHighlight::layer()
 {
     return clipLayer();
 }
 
+WebCompositorAnimationPlayer* LinkHighlight::compositorPlayer() const
+{
+    return m_compositorPlayer.get();
+}
+
 } // namespace blink