2 * Copyright (C) 2013 Google Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #ifndef AnimationTimeline_h
32 #define AnimationTimeline_h
34 #include "bindings/core/v8/ScriptWrappable.h"
35 #include "core/animation/AnimationEffect.h"
36 #include "core/animation/AnimationPlayer.h"
37 #include "core/dom/Element.h"
38 #include "platform/Timer.h"
39 #include "platform/heap/Handle.h"
40 #include "wtf/RefCounted.h"
41 #include "wtf/RefPtr.h"
42 #include "wtf/Vector.h"
49 // AnimationTimeline is constructed and owned by Document, and tied to its lifecycle.
50 class AnimationTimeline : public RefCountedWillBeGarbageCollectedFinalized<AnimationTimeline>, public ScriptWrappable {
52 class PlatformTiming : public NoBaseWillBeGarbageCollectedFinalized<PlatformTiming> {
55 // Calls AnimationTimeline's wake() method after duration seconds.
56 virtual void wakeAfter(double duration) = 0;
57 virtual void cancelWake() = 0;
58 virtual void serviceOnNextFrame() = 0;
59 virtual ~PlatformTiming() { }
60 virtual void trace(Visitor*) { }
63 static PassRefPtrWillBeRawPtr<AnimationTimeline> create(Document*, PassOwnPtrWillBeRawPtr<PlatformTiming> = nullptr);
66 void serviceAnimations(TimingUpdateReason);
68 // Creates a player attached to this timeline, but without a start time.
69 AnimationPlayer* createAnimationPlayer(AnimationNode*);
70 AnimationPlayer* play(AnimationNode*);
71 WillBeHeapVector<RefPtrWillBeMember<AnimationPlayer> > getAnimationPlayers();
74 void playerDestroyed(AnimationPlayer* player)
76 ASSERT(m_players.contains(player));
77 m_players.remove(player);
81 bool hasPendingUpdates() const { return !m_playersNeedingUpdate.isEmpty(); }
82 double zeroTime() const { return 0; }
83 double currentTime(bool& isNull);
85 double currentTimeInternal(bool& isNull);
86 double currentTimeInternal();
87 double effectiveTime();
88 void pauseAnimationsForTesting(double);
90 void setOutdatedAnimationPlayer(AnimationPlayer*);
91 bool hasOutdatedAnimationPlayer() const;
93 Document* document() { return m_document.get(); }
95 void detachFromDocument();
102 AnimationTimeline(Document*, PassOwnPtrWillBeRawPtr<PlatformTiming>);
105 RawPtrWillBeMember<Document> m_document;
106 // AnimationPlayers which will be updated on the next frame
107 // i.e. current, in effect, or had timing changed
108 WillBeHeapHashSet<RefPtrWillBeMember<AnimationPlayer> > m_playersNeedingUpdate;
109 WillBeHeapHashSet<RawPtrWillBeWeakMember<AnimationPlayer> > m_players;
111 friend class SMILTimeContainer;
112 static const double s_minimumDelay;
114 OwnPtrWillBeMember<PlatformTiming> m_timing;
116 class AnimationTimelineTiming FINAL : public PlatformTiming {
118 AnimationTimelineTiming(AnimationTimeline* timeline)
119 : m_timeline(timeline)
120 , m_timer(this, &AnimationTimelineTiming::timerFired)
125 virtual void wakeAfter(double duration) OVERRIDE;
126 virtual void cancelWake() OVERRIDE;
127 virtual void serviceOnNextFrame() OVERRIDE;
129 void timerFired(Timer<AnimationTimelineTiming>*) { m_timeline->wake(); }
131 virtual void trace(Visitor*) OVERRIDE;
134 RawPtrWillBeMember<AnimationTimeline> m_timeline;
135 Timer<AnimationTimelineTiming> m_timer;
138 friend class AnimationAnimationTimelineTest;