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26 #ifndef SMILTimeContainer_h
27 #define SMILTimeContainer_h
29 #include "core/dom/QualifiedName.h"
30 #include "core/svg/animation/SMILTime.h"
31 #include "platform/Timer.h"
32 #include "platform/heap/Handle.h"
33 #include "wtf/HashMap.h"
34 #include "wtf/HashSet.h"
35 #include "wtf/PassRefPtr.h"
36 #include "wtf/RefCounted.h"
37 #include "wtf/text/StringHash.h"
38 #include "wtf/text/WTFString.h"
47 class SMILTimeContainer : public RefCountedWillBeGarbageCollectedFinalized<SMILTimeContainer> {
49 static PassRefPtrWillBeRawPtr<SMILTimeContainer> create(SVGSVGElement& owner) { return adoptRefWillBeNoop(new SMILTimeContainer(owner)); }
52 void schedule(SVGSMILElement*, SVGElement*, const QualifiedName&);
53 void unschedule(SVGSMILElement*, SVGElement*, const QualifiedName&);
54 void notifyIntervalsChanged();
56 SMILTime elapsed() const;
58 bool isPaused() const;
59 bool isStarted() const;
64 void setElapsed(SMILTime);
66 void serviceAnimations(double monotonicAnimationStartTime);
67 bool hasAnimations() const;
69 void setDocumentOrderIndexesDirty() { m_documentOrderIndexesDirty = true; }
74 explicit SMILTimeContainer(SVGSVGElement& owner);
76 enum FrameSchedulingState {
77 // No frame scheduled.
79 // Scheduled a wakeup to update the animation values.
80 SynchronizeAnimations,
81 // Scheduled a wakeup to trigger an animation frame.
83 // Scheduled a animation frame for continuous update.
87 bool isTimelineRunning() const;
88 void scheduleAnimationFrame(SMILTime fireTime);
89 void cancelAnimationFrame();
90 void wakeupTimerFired(Timer<SMILTimeContainer>*);
91 void updateAnimationsAndScheduleFrameIfNeeded(SMILTime elapsed, bool seekToTime = false);
92 SMILTime updateAnimations(SMILTime elapsed, bool seekToTime = false);
93 void serviceOnNextFrame();
94 void scheduleWakeUp(double delayTime, FrameSchedulingState);
95 bool hasPendingSynchronization() const;
97 void updateDocumentOrderIndexes();
98 double lastResumeTime() const { return m_resumeTime ? m_resumeTime : m_beginTime; }
100 Document& document() const;
101 double currentTime() const;
106 double m_accumulatedActiveTime;
107 double m_presetStartTime;
109 FrameSchedulingState m_frameSchedulingState;
110 bool m_documentOrderIndexesDirty;
112 Timer<SMILTimeContainer> m_wakeupTimer;
114 typedef pair<RawPtrWillBeWeakMember<SVGElement>, QualifiedName> ElementAttributePair;
115 typedef WillBeHeapLinkedHashSet<RawPtrWillBeWeakMember<SVGSMILElement> > AnimationsLinkedHashSet;
116 typedef WillBeHeapHashMap<ElementAttributePair, OwnPtrWillBeMember<AnimationsLinkedHashSet> > GroupedAnimationsMap;
117 GroupedAnimationsMap m_scheduledAnimations;
119 SVGSVGElement& m_ownerSVGElement;
122 bool m_preventScheduledAnimationsChanges;
127 #endif // SMILTimeContainer_h