Animations: Introduce compositor AnimationPlayer and AnimationTimeline.

Source/core/animation/Animation.cpp

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 233 matching lines @@
     return CompositorAnimations::instance()->isCandidateForAnimationOnCompositor(specifiedTiming(), *m_target, player(), *effect(), playerPlaybackRate);
 }
 
 bool Animation::maybeStartAnimationOnCompositor(int group, double startTime, double currentTime, double playerPlaybackRate)
 {
     ASSERT(!hasActiveAnimationsOnCompositor());
     if (!isCandidateForAnimationOnCompositor(playerPlaybackRate))
         return false;
     if (!CompositorAnimations::instance()->canStartAnimationOnCompositor(*m_target))
         return false;
-    if (!CompositorAnimations::instance()->startAnimationOnCompositor(*m_target, group, startTime, currentTime, specifiedTiming(), player(), *effect(), m_compositorAnimationIds, playerPlaybackRate))
+    if (!CompositorAnimations::instance()->startAnimationOnCompositor(*m_target, group, startTime, currentTime, specifiedTiming(), *player(), *effect(), m_compositorAnimationIds, playerPlaybackRate))
         return false;
     ASSERT(!m_compositorAnimationIds.isEmpty());
     return true;
 }
 
 bool Animation::hasActiveAnimationsOnCompositor() const
 {
     return !m_compositorAnimationIds.isEmpty();
 }
 
@@ skipping 10 matching lines @@
 bool Animation::cancelAnimationOnCompositor()
 {
     // FIXME: cancelAnimationOnCompositor is called from withins style recalc.
     // This queries compositingState, which is not necessarily up to date.
     // https://code.google.com/p/chromium/issues/detail?id=339847
     DisableCompositingQueryAsserts disabler;
     if (!hasActiveAnimationsOnCompositor())
         return false;
     if (!m_target || !m_target->layoutObject())
         return false;
+    ASSERT(player());
     for (const auto& compositorAnimationId : m_compositorAnimationIds)
-        CompositorAnimations::instance()->cancelAnimationOnCompositor(*m_target, compositorAnimationId);
+        CompositorAnimations::instance()->cancelAnimationOnCompositor(*m_target, *player(), compositorAnimationId);
     m_compositorAnimationIds.clear();
     return true;
 }
 
 void Animation::restartAnimationOnCompositor()
 {
     if (cancelAnimationOnCompositor())
         player()->setCompositorPending(true);
 }
 
 void Animation::cancelIncompatibleAnimationsOnCompositor()
 {
     if (m_target && player() && effect())
         CompositorAnimations::instance()->cancelIncompatibleAnimationsOnCompositor(*m_target, *player(), *effect());
 }
 
 void Animation::pauseAnimationForTestingOnCompositor(double pauseTime)
 {
     ASSERT(hasActiveAnimationsOnCompositor());
     if (!m_target || !m_target->layoutObject())
         return;
+    ASSERT(player());
     for (const auto& compositorAnimationId : m_compositorAnimationIds)
-        CompositorAnimations::instance()->pauseAnimationForTestingOnCompositor(*m_target, compositorAnimationId, pauseTime);
+        CompositorAnimations::instance()->pauseAnimationForTestingOnCompositor(*m_target, *player(), compositorAnimationId, pauseTime);
+}
+
+bool Animation::canAttachCompositedLayers() const
+{
+    if (!m_target || !player())
+        return false;
+
+    return CompositorAnimations::instance()->canAttachCompositedLayers(*m_target, *player());
+}
+
+void Animation::attachCompositedLayers()
+{
+    ASSERT(m_target);
+    ASSERT(player());
+    CompositorAnimations::instance()->attachCompositedLayers(*m_target, *player());
 }
 
 DEFINE_TRACE(Animation)
 {
     visitor->trace(m_target);
     visitor->trace(m_effect);
     visitor->trace(m_sampledEffect);
     AnimationNode::trace(visitor);
 }
 
 } // namespace blink