Web Animations: Implement CSS Animation events

Source/core/animation/DocumentTimeline.h

 /*
  * 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 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef DocumentTimeline_h
 #define DocumentTimeline_h
 
 #include "core/animation/ActiveAnimations.h"
 #include "core/animation/Player.h"
 #include "core/dom/Element.h"
+#include "core/dom/Event.h"
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
 
 class Document;
 class TimedItem;
 
 // DocumentTimeline is constructed and owned by Document, and tied to its lifecycle.
 class DocumentTimeline : public RefCounted<DocumentTimeline> {
 
 public:
     static PassRefPtr<DocumentTimeline> create(Document*);
     void serviceAnimations(double);
     PassRefPtr<Player> play(TimedItem*);
     double currentTime() { return m_currentTime; }
     void pauseAnimationsForTesting(double);
     AnimationStack* animationStack(const Element* element) const
     {
         if (ActiveAnimations* animations = element->activeAnimations())
             return animations->defaultStack();
         return 0;
     }
+    void addEventToDispatch(EventTarget* target, PassRefPtr<Event> event)
+    {
+        m_events.append(EventToDispatch(target, event));
+    }
 
 private:
     DocumentTimeline(Document*);
+    void dispatchEvents();
     double m_currentTime;
     Document* m_document;
     Vector<RefPtr<Player> > m_players;
+
+    struct EventToDispatch {
+        EventToDispatch(EventTarget* target, PassRefPtr<Event> event)
+            : target(target)
+            , event(event)
+        {
+        }
+        RefPtr<EventTarget> target;
+        RefPtr<Event> event;
+    };
+    Vector<EventToDispatch> m_events;
 };
 
 } // namespace
 
 #endif