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/*
* 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
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (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 AnimationTimeline_h
#define AnimationTimeline_h
#include "bindings/core/v8/ScriptWrappable.h"
#include "core/CoreExport.h"
#include "core/animation/Animation.h"
#include "core/animation/EffectModel.h"
#include "core/dom/Element.h"
#include "core/dom/TaskRunnerHelper.h"
#include "platform/Timer.h"
#include "platform/animation/CompositorAnimationTimeline.h"
#include "platform/heap/Handle.h"
#include "wtf/RefPtr.h"
#include "wtf/Vector.h"
#include <memory>
namespace blink {
class Document;
class AnimationEffectReadOnly;
// AnimationTimeline is constructed and owned by Document, and tied to its
// lifecycle.
class CORE_EXPORT AnimationTimeline
: public GarbageCollectedFinalized<AnimationTimeline>,
public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
class PlatformTiming : public GarbageCollectedFinalized<PlatformTiming> {
public:
// Calls AnimationTimeline's wake() method after duration seconds.
virtual void wakeAfter(double duration) = 0;
virtual void serviceOnNextFrame() = 0;
virtual ~PlatformTiming() {}
DEFINE_INLINE_VIRTUAL_TRACE() {}
};
static AnimationTimeline* create(Document*, PlatformTiming* = nullptr);
virtual ~AnimationTimeline() {}
void serviceAnimations(TimingUpdateReason);
void scheduleNextService();
Animation* play(AnimationEffectReadOnly*);
HeapVector<Member<Animation>> getAnimations();
void animationAttached(Animation&);
bool isActive();
bool hasPendingUpdates() const {
return !m_animationsNeedingUpdate.isEmpty();
}
double zeroTime();
double currentTime(bool& isNull);
double currentTime();
double currentTimeInternal(bool& isNull);
double currentTimeInternal();
void setCurrentTime(double);
void setCurrentTimeInternal(double);
double effectiveTime();
void pauseAnimationsForTesting(double);
void setAllCompositorPending(bool sourceChanged = false);
void setOutdatedAnimation(Animation*);
void clearOutdatedAnimation(Animation*);
bool hasOutdatedAnimation() const { return m_outdatedAnimationCount > 0; }
bool needsAnimationTimingUpdate();
void invalidateKeyframeEffects(const TreeScope&);
void setPlaybackRate(double);
double playbackRate() const;
CompositorAnimationTimeline* compositorTimeline() const {
return m_compositorTimeline.get();
}
Document* document() { return m_document.get(); }
void wake();
void resetForTesting();
DECLARE_TRACE();
protected:
AnimationTimeline(Document*, PlatformTiming*);
private:
Member<Document> m_document;
double m_zeroTime;
bool m_zeroTimeInitialized;
unsigned m_outdatedAnimationCount;
// Animations which will be updated on the next frame
// i.e. current, in effect, or had timing changed
HeapHashSet<Member<Animation>> m_animationsNeedingUpdate;
HeapHashSet<WeakMember<Animation>> m_animations;
double m_playbackRate;
friend class SMILTimeContainer;
static const double s_minimumDelay;
Member<PlatformTiming> m_timing;
double m_lastCurrentTimeInternal;
std::unique_ptr<CompositorAnimationTimeline> m_compositorTimeline;
class AnimationTimelineTiming final : public PlatformTiming {
public:
AnimationTimelineTiming(AnimationTimeline* timeline)
: m_timeline(timeline),
m_timer(TaskRunnerHelper::get(TaskType::UnspecedTimer,
timeline->document()),
this,
&AnimationTimelineTiming::timerFired) {
DCHECK(m_timeline);
}
void wakeAfter(double duration) override;
void serviceOnNextFrame() override;
void timerFired(TimerBase*) { m_timeline->wake(); }
DECLARE_VIRTUAL_TRACE();
private:
Member<AnimationTimeline> m_timeline;
TaskRunnerTimer<AnimationTimelineTiming> m_timer;
};
friend class AnimationAnimationTimelineTest;
};
} // namespace blink
#endif
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