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/*
* Copyright (C) 2017 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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.
*/
#pragma once
#include <WebCore/AnimationFrameRate.h>
#include <WebCore/AnimationTimeline.h>
#include <WebCore/DocumentTimelineOptions.h>
#include <WebCore/Timer.h>
#include <wtf/Ref.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class AnimationTimelinesController;
class AnimationEventBase;
class CustomEffectCallback;
class Document;
class AnimationTimelinesController;
class Element;
class RenderBoxModelObject;
class RenderElement;
class WeakPtrImplWithEventTargetData;
class WebAnimation;
struct CustomAnimationOptions;
class DocumentTimeline final : public AnimationTimeline
{
public:
static Ref<DocumentTimeline> create(Document&);
static Ref<DocumentTimeline> create(Document&, DocumentTimelineOptions&&);
virtual ~DocumentTimeline();
Document* document() const { return m_document.get(); }
std::optional<WebAnimationTime> currentTime(UseCachedCurrentTime = UseCachedCurrentTime::Yes) override;
ExceptionOr<Ref<WebAnimation>> animate(Ref<CustomEffectCallback>&&, std::optional<Variant<double, CustomAnimationOptions>>&&);
void animationTimingDidChange(WebAnimation&) override;
void removeAnimation(WebAnimation&) override;
void transitionDidComplete(Ref<CSSTransition>&&);
void animationAcceleratedRunningStateDidChange(WebAnimation&);
void runPostRenderingUpdateTasks();
void detachFromDocument() override;
void enqueueAnimationEvent(AnimationEventBase&);
bool hasPendingAnimationEventForAnimation(const WebAnimation&) const;
ShouldUpdateAnimationsAndSendEvents documentWillUpdateAnimationsAndSendEvents() override;
void removeReplacedAnimations();
AnimationEvents prepareForPendingAnimationEventsDispatch();
void documentDidUpdateAnimationsAndSendEvents();
void styleOriginatedAnimationsWereCreated();
void pendingStartTimeWasSetOnAnimation();
WEBCORE_EXPORT Seconds animationInterval() const;
void suspendAnimations() override;
void resumeAnimations() override;
WEBCORE_EXPORT unsigned numberOfActiveAnimationsForTesting() const;
WEBCORE_EXPORT Vector<std::pair<String, double>> acceleratedAnimationsForElement(Element&) const;
WEBCORE_EXPORT unsigned numberOfAnimationTimelineInvalidationsForTesting() const;
Seconds convertTimelineTimeToOriginRelativeTime(Seconds) const;
std::optional<FramesPerSecond> maximumFrameRate() const;
private:
DocumentTimeline(Document&, Seconds);
bool isDocumentTimeline() const final { return true; }
AnimationTimelinesController* controller() const override;
#if ENABLE(THREADED_ANIMATIONS)
Ref<AcceleratedTimeline> createAcceleratedRepresentation() override;
#endif
void applyPendingAcceleratedAnimations();
void scheduleInvalidationTaskIfNeeded();
void scheduleAnimationResolution();
void clearTickScheduleTimer();
void internalUpdateAnimationsAndSendEvents();
void scheduleNextTick();
bool animationCanBeRemoved(WebAnimation&);
bool shouldRunUpdateAnimationsAndSendEventsIgnoringSuspensionState() const;
Timer m_tickScheduleTimer;
HashSet<RefPtr<WebAnimation>> m_acceleratedAnimationsPendingRunningStateChange;
AnimationEvents m_pendingAnimationEvents;
WeakPtr<Document, WeakPtrImplWithEventTargetData> m_document;
Seconds m_originTime;
unsigned m_numberOfAnimationTimelineInvalidationsForTesting { 0 };
bool m_animationResolutionScheduled { false };
bool m_shouldScheduleAnimationResolutionForNewPendingEvents { true };
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_ANIMATION_TIMELINE(DocumentTimeline, isDocumentTimeline())
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