Devtools Animations: Listen to all animation play state changes

third_party/WebKit/Source/core/inspector/InspectorAnimationAgent.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 
 #include "core/inspector/InspectorAnimationAgent.h"
 
 #include "core/animation/Animation.h"
 #include "core/animation/AnimationEffect.h"
@@ skipping 405 matching lines @@
     return base64Encode(reinterpret_cast<const char*>(digestResult.data()), 10);
 }
 
 void InspectorAnimationAgent::didCreateAnimation(unsigned sequenceNumber)
 {
     if (m_isCloning)
         return;
     frontend()->animationCreated(String::number(sequenceNumber));
 }
 
-void InspectorAnimationAgent::didCancelAnimation(unsigned sequenceNumber)
-{
-    frontend()->animationCanceled(String::number(sequenceNumber));
-}
-
-void InspectorAnimationAgent::didStartAnimation(Animation* animation)
+void InspectorAnimationAgent::animationPlayStateChanged(Animation* animation, Animation::AnimationPlayState oldPlayState, Animation::AnimationPlayState newPlayState)
 {
     const String& animationId = String::number(animation->sequenceNumber());
     if (m_idToAnimation.get(animationId))
         return;
-    frontend()->animationStarted(buildObjectForAnimation(*animation));
+    if (newPlayState == Animation::Running || newPlayState == Animation::Finished)
+        frontend()->animationStarted(buildObjectForAnimation(*animation));
+    else if (newPlayState == Animation::Idle || newPlayState == Animation::Paused)
+        frontend()->animationCanceled(animationId);
 }
 
 void InspectorAnimationAgent::didClearDocumentOfWindowObject(LocalFrame* frame)
 {
     if (!m_state->getBoolean(AnimationAgentState::animationAgentEnabled))
         return;
     ASSERT(frame->document());
     frame->document()->timeline().setPlaybackRate(referenceTimeline().playbackRate());
 }
 
@@ skipping 26 matching lines @@
     visitor->trace(m_cssAgent);
     visitor->trace(m_injectedScriptManager);
     visitor->trace(m_idToAnimation);
     visitor->trace(m_idToAnimationType);
     visitor->trace(m_idToAnimationClone);
 #endif
     InspectorBaseAgent::trace(visitor);
 }
 
 }