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26 #ifndef ScriptedAnimationController_h
27 #define ScriptedAnimationController_h
29 #include "platform/heap/Handle.h"
30 #include "wtf/ListHashSet.h"
31 #include "wtf/RefCounted.h"
32 #include "wtf/RefPtr.h"
33 #include "wtf/Vector.h"
34 #include "wtf/text/StringImpl.h"
41 class MediaQueryListListener;
42 class RequestAnimationFrameCallback;
44 class ScriptedAnimationController : public RefCountedWillBeGarbageCollectedFinalized<ScriptedAnimationController> {
46 static PassRefPtrWillBeRawPtr<ScriptedAnimationController> create(Document* document)
48 return adoptRefWillBeNoop(new ScriptedAnimationController(document));
50 ~ScriptedAnimationController();
52 void clearDocumentPointer() { m_document = nullptr; }
54 typedef int CallbackId;
56 int registerCallback(RequestAnimationFrameCallback*);
57 void cancelCallback(CallbackId);
58 void serviceScriptedAnimations(double monotonicTimeNow);
60 void enqueueEvent(PassRefPtrWillBeRawPtr<Event>);
61 void enqueuePerFrameEvent(PassRefPtrWillBeRawPtr<Event>);
62 void enqueueMediaQueryChangeListeners(WillBeHeapVector<RefPtrWillBeMember<MediaQueryListListener> >&);
67 void dispatchEventsAndCallbacksForPrinting();
69 explicit ScriptedAnimationController(Document*);
71 void scheduleAnimationIfNeeded();
73 void dispatchEvents();
74 void executeCallbacks(double monotonicTimeNow);
75 void callMediaQueryListListeners();
77 typedef PersistentHeapVectorWillBeHeapVector<Member<RequestAnimationFrameCallback> > CallbackList;
78 CallbackList m_callbacks;
79 CallbackList m_callbacksToInvoke; // only non-empty while inside executeCallbacks
81 RawPtrWillBeMember<Document> m_document;
82 CallbackId m_nextCallbackId;
84 WillBeHeapVector<RefPtrWillBeMember<Event> > m_eventQueue;
85 WillBeHeapListHashSet<std::pair<RawPtrWillBeMember<const EventTarget>, const StringImpl*> > m_perFrameEvents;
86 typedef WillBeHeapListHashSet<RefPtrWillBeMember<MediaQueryListListener> > MediaQueryListListeners;
87 MediaQueryListListeners m_mediaQueryListListeners;
92 #endif // ScriptedAnimationController_h