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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 THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_DOCUMENT_TIMELINE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_DOCUMENT_TIMELINE_H_
#include <memory>
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/public/platform/task_type.h"
#include "third_party/blink/renderer/core/animation/animation_effect.h"
#include "third_party/blink/renderer/core/animation/animation_timeline.h"
#include "third_party/blink/renderer/core/animation/effect_model.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/platform/animation/compositor_animation_timeline.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/timer.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
namespace blink {
class Animation;
class AnimationEffect;
class Document;
class DocumentTimelineOptions;
// DocumentTimeline is constructed and owned by Document, and tied to its
// lifecycle.
class CORE_EXPORT DocumentTimeline : public AnimationTimeline {
DEFINE_WRAPPERTYPEINFO();
public:
class PlatformTiming : public GarbageCollectedFinalized<PlatformTiming> {
public:
// Calls DocumentTimeline's wake() method after duration seconds.
virtual void WakeAfter(double duration) = 0;
virtual void ServiceOnNextFrame() = 0;
virtual ~PlatformTiming() = default;
virtual void Trace(blink::Visitor* visitor) {}
};
static DocumentTimeline* Create(
Document*,
base::TimeDelta origin_time = base::TimeDelta(),
PlatformTiming* = nullptr);
// Web Animations API IDL constructor
static DocumentTimeline* Create(ExecutionContext*,
const DocumentTimelineOptions*);
DocumentTimeline(Document*, base::TimeDelta origin_time, PlatformTiming*);
~DocumentTimeline() override = default;
bool IsDocumentTimeline() const final { return true; }
void ServiceAnimations(TimingUpdateReason);
void ScheduleNextService();
Animation* Play(AnimationEffect*);
HeapVector<Member<Animation>> getAnimations();
void AnimationAttached(Animation*) override;
// animations_ is a map of weak members so there is no need to explicitly
// clean it up.
void AnimationDetached(Animation*) override {}
bool IsActive() const override;
bool HasPendingUpdates() const {
return !animations_needing_update_.IsEmpty();
}
wtf_size_t PendingAnimationsCount() const {
return animations_needing_update_.size();
}
base::TimeTicks ZeroTime();
double currentTime(bool& is_null) override;
double currentTime();
double CurrentTimeInternal(bool& is_null);
double CurrentTimeInternal();
double EffectiveTime();
void PauseAnimationsForTesting(double);
void SetAllCompositorPending(bool source_changed = false);
void SetOutdatedAnimation(Animation*);
void ClearOutdatedAnimation(Animation*);
bool HasOutdatedAnimation() const { return outdated_animation_count_ > 0; }
bool NeedsAnimationTimingUpdate();
void InvalidateKeyframeEffects(const TreeScope&);
void SetPlaybackRate(double);
double PlaybackRate() const;
CompositorAnimationTimeline* CompositorTimeline() const {
return compositor_timeline_.get();
}
Document* GetDocument() override { return document_.Get(); }
void Wake();
void ResetForTesting();
void SetTimingForTesting(PlatformTiming* timing);
bool HasAnimations() { return !animations_.IsEmpty(); }
void Trace(blink::Visitor*) override;
private:
Member<Document> document_;
// Origin time for the timeline relative to the time origin of the document.
// Provided when the timeline is constructed. See
// https://drafts.csswg.org/web-animations/#dom-documenttimelineoptions-origintime.
base::TimeDelta origin_time_;
// The origin time. This is computed by adding |origin_time_| to the time
// origin of the document.
base::TimeTicks zero_time_;
bool zero_time_initialized_;
unsigned outdated_animation_count_;
// Animations which will be updated on the next frame
// i.e. current, in effect, or had timing changed
HeapHashSet<Member<Animation>> animations_needing_update_;
HeapHashSet<WeakMember<Animation>> animations_;
double playback_rate_;
friend class SMILTimeContainer;
static const double kMinimumDelay;
Member<PlatformTiming> timing_;
double last_current_time_internal_;
std::unique_ptr<CompositorAnimationTimeline> compositor_timeline_;
class DocumentTimelineTiming final : public PlatformTiming {
public:
DocumentTimelineTiming(DocumentTimeline* timeline)
: timeline_(timeline),
timer_(timeline->GetDocument()->GetTaskRunner(
TaskType::kInternalDefault),
this,
&DocumentTimelineTiming::TimerFired) {
DCHECK(timeline_);
}
void WakeAfter(double duration) override;
void ServiceOnNextFrame() override;
void TimerFired(TimerBase*) { timeline_->Wake(); }
void Trace(blink::Visitor*) override;
private:
Member<DocumentTimeline> timeline_;
TaskRunnerTimer<DocumentTimelineTiming> timer_;
};
friend class AnimationDocumentTimelineTest;
};
DEFINE_TYPE_CASTS(DocumentTimeline,
AnimationTimeline,
timeline,
timeline->IsDocumentTimeline(),
timeline.IsDocumentTimeline());
} // namespace blink
#endif
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