Web Animations: Trigger and update CSS Animations backed by the Web Animations model

Source/core/animation/ActiveAnimations.h

Index: Source/core/animation/ActiveAnimations.h
diff --git a/Source/core/animation/ActiveAnimations.h b/Source/core/animation/ActiveAnimations.h
index e4c748c8d98df13815d05a1a3d262eab0653d5f4..0e9bde17e161c0e21558fb9832e7122a7ffec709 100644
--- a/Source/core/animation/ActiveAnimations.h
+++ b/Source/core/animation/ActiveAnimations.h
@@ -32,22 +32,22 @@
 #define ActiveAnimations_h
 
 #include "core/animation/AnimationStack.h"
+#include "core/animation/css/CSSAnimations.h"
 #include "wtf/HashMap.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
 
-class AnimationStack;
-
 class ActiveAnimations {
 public:
     AnimationStack* defaultStack() { return &m_defaultStack; }
-    bool isEmpty() const { return !m_defaultStack.hasActiveAnimations(); }
+    CSSAnimations* cssAnimations() { return &m_cssAnimations; }

[shans, 2013/08/01 23:54:16]

Add a comment describing what goes in defaultStack and what goes in
cssAnimations. e.g. it's not obvious that all of the animations referenced in
cssAnimations will also be in the defaultStack (right?), but that CSS
Transitions is non-intersecting.

[dstockwell, 2013/08/02 00:11:01]

Done.

+    bool isEmpty() const { return m_defaultStack.isEmpty() && m_cssAnimations.isEmpty(); }
 private:
     AnimationStack m_defaultStack;
+    CSSAnimations m_cssAnimations;
     // FIXME: Add AnimationStack for CSS Transitions
-    // FIXME: Add tracking data for CSS Animations
 };
 
 } // namespace WebCore