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31 #ifndef DocumentTimeline_h
32 #define DocumentTimeline_h
34 #include "core/animation/AnimationEffect.h"
35 #include "core/animation/Player.h"
36 #include "core/dom/Element.h"
37 #include "core/events/Event.h"
38 #include "platform/Timer.h"
39 #include "wtf/RefCounted.h"
40 #include "wtf/RefPtr.h"
41 #include "wtf/Vector.h"
48 // DocumentTimeline is constructed and owned by Document, and tied to its lifecycle.
49 class DocumentTimeline : public RefCounted<DocumentTimeline> {
51 class PlatformTiming {
54 // Calls DocumentTimeline's wake() method after duration seconds.
55 virtual void wakeAfter(double duration) = 0;
56 virtual void cancelWake() = 0;
57 virtual void serviceOnNextFrame() = 0;
58 virtual ~PlatformTiming() { }
62 static PassRefPtr<DocumentTimeline> create(Document*, PassOwnPtr<PlatformTiming> = nullptr);
63 // Returns whether style recalc was triggered.
64 bool serviceAnimations();
66 // Creates a player attached to this timeline, but without a start time.
67 Player* createPlayer(TimedItem*);
68 Player* play(TimedItem*);
70 // Called from setReadyState() in Document.cpp to set m_zeroTime to
71 // performance.timing.domInteractive
72 void setZeroTime(double);
73 bool hasStarted() const { return !isNull(m_zeroTime); }
74 double zeroTime() const { return m_zeroTime; }
76 void pauseAnimationsForTesting(double);
77 size_t numberOfActiveAnimationsForTesting() const;
78 const Vector<RefPtr<Player> >& players() const { return m_players; }
80 void addEventToDispatch(EventTarget* target, PassRefPtr<Event> event)
82 m_events.append(EventToDispatch(target, event));
85 void dispatchEvents();
86 void dispatchEventsAsync();
89 DocumentTimeline(Document*, PassOwnPtr<PlatformTiming>);
94 Timer<DocumentTimeline> m_eventDistpachTimer;
95 Vector<RefPtr<Player> > m_players;
97 void eventDispatchTimerFired(Timer<DocumentTimeline>*);
100 struct EventToDispatch {
101 EventToDispatch(EventTarget* target, PassRefPtr<Event> event)
106 RefPtr<EventTarget> target;
109 Vector<EventToDispatch> m_events;
111 static const double s_minimumDelay;
113 OwnPtr<PlatformTiming> m_timing;
115 class DocumentTimelineTiming FINAL : public PlatformTiming {
117 DocumentTimelineTiming(DocumentTimeline* documentTimeline)
118 : m_timeline(documentTimeline)
119 , m_timer(this, &DocumentTimelineTiming::timerFired)
124 virtual void wakeAfter(double duration) OVERRIDE;
125 virtual void cancelWake() OVERRIDE;
126 virtual void serviceOnNextFrame() OVERRIDE;
128 void timerFired(Timer<DocumentTimelineTiming>*) { m_timeline->wake(); }
131 DocumentTimeline* m_timeline;
132 Timer<DocumentTimelineTiming> m_timer;
136 friend class AnimationDocumentTimelineTest;