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/*
* Copyright (C) 2017-2018 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 "ActiveDOMObject.h"
#include "DOMPromiseProxy.h"
#include "EventTarget.h"
#include "ExceptionOr.h"
#include "WebAnimationUtilities.h"
#include <wtf/Markable.h>
#include <wtf/RefCounted.h>
#include <wtf/Seconds.h>
#include <wtf/UniqueRef.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class AnimationEffect;
class AnimationPlaybackEvent;
class AnimationTimeline;
class Document;
class Element;
class RenderStyle;
class WebAnimation : public RefCounted<WebAnimation>, public CanMakeWeakPtr<WebAnimation>, public EventTargetWithInlineData, public ActiveDOMObject {
WTF_MAKE_ISO_ALLOCATED(WebAnimation);
public:
static Ref<WebAnimation> create(Document&, AnimationEffect*);
static Ref<WebAnimation> create(Document&, AnimationEffect*, AnimationTimeline*);
~WebAnimation();
virtual bool isDeclarativeAnimation() const { return false; }
virtual bool isCSSAnimation() const { return false; }
virtual bool isCSSTransition() const { return false; }
const String& id() const { return m_id; }
void setId(const String& id) { m_id = id; }
AnimationEffect* effect() const { return m_effect.get(); }
void setEffect(RefPtr<AnimationEffect>&&);
AnimationTimeline* timeline() const { return m_timeline.get(); }
virtual void setTimeline(RefPtr<AnimationTimeline>&&);
Optional<Seconds> currentTime() const;
ExceptionOr<void> setCurrentTime(Optional<Seconds>);
enum class Silently : uint8_t { Yes, No };
double playbackRate() const { return m_playbackRate + 0; }
void setPlaybackRate(double);
enum class PlayState : uint8_t { Idle, Running, Paused, Finished };
PlayState playState() const;
bool pending() const { return hasPendingPauseTask() || hasPendingPlayTask(); }
using ReadyPromise = DOMPromiseProxyWithResolveCallback<IDLInterface<WebAnimation>>;
ReadyPromise& ready() { return m_readyPromise.get(); }
using FinishedPromise = DOMPromiseProxyWithResolveCallback<IDLInterface<WebAnimation>>;
FinishedPromise& finished() { return m_finishedPromise.get(); }
virtual void cancel();
void cancel(Silently);
ExceptionOr<void> finish();
ExceptionOr<void> play();
void updatePlaybackRate(double);
ExceptionOr<void> pause();
ExceptionOr<void> reverse();
virtual Optional<double> startTime() const;
virtual void setStartTime(Optional<double>);
virtual Optional<double> bindingsCurrentTime() const;
virtual ExceptionOr<void> setBindingsCurrentTime(Optional<double>);
virtual PlayState bindingsPlayState() const { return playState(); }
virtual bool bindingsPending() const { return pending(); }
virtual ReadyPromise& bindingsReady() { return ready(); }
virtual FinishedPromise& bindingsFinished() { return finished(); }
virtual ExceptionOr<void> bindingsPlay() { return play(); }
virtual ExceptionOr<void> bindingsPause() { return pause(); }
virtual bool needsTick() const;
virtual void tick();
Seconds timeToNextTick() const;
virtual void resolve(RenderStyle&);
void effectTargetDidChange(Element* previousTarget, Element* newTarget);
void acceleratedStateDidChange();
void applyPendingAcceleratedActions();
bool isRunningAccelerated() const;
bool isRelevant() const { return m_isRelevant; }
void effectTimingDidChange();
void suspendEffectInvalidation();
void unsuspendEffectInvalidation();
void setSuspended(bool);
bool isSuspended() const { return m_isSuspended; }
virtual void remove();
bool hasPendingActivity() const final;
using RefCounted::ref;
using RefCounted::deref;
protected:
explicit WebAnimation(Document&);
void stop() override;
private:
enum class DidSeek : uint8_t { Yes, No };
enum class SynchronouslyNotify : uint8_t { Yes, No };
enum class RespectHoldTime : uint8_t { Yes, No };
enum class AutoRewind : uint8_t { Yes, No };
enum class TimeToRunPendingTask : uint8_t { NotScheduled, ASAP, WhenReady };
void timingDidChange(DidSeek, SynchronouslyNotify);
void updateFinishedState(DidSeek, SynchronouslyNotify);
void enqueueAnimationPlaybackEvent(const AtomicString&, Optional<Seconds>, Optional<Seconds>);
Seconds effectEndTime() const;
WebAnimation& readyPromiseResolve();
WebAnimation& finishedPromiseResolve();
Optional<Seconds> currentTime(RespectHoldTime) const;
ExceptionOr<void> silentlySetCurrentTime(Optional<Seconds>);
void finishNotificationSteps();
bool hasPendingPauseTask() const { return m_timeToRunPendingPauseTask != TimeToRunPendingTask::NotScheduled; }
bool hasPendingPlayTask() const { return m_timeToRunPendingPlayTask != TimeToRunPendingTask::NotScheduled; }
ExceptionOr<void> play(AutoRewind);
void runPendingPauseTask();
void runPendingPlayTask();
void resetPendingTasks(Silently = Silently::No);
void setEffectInternal(RefPtr<AnimationEffect>&&, bool = false);
void setTimelineInternal(RefPtr<AnimationTimeline>&&);
bool isEffectInvalidationSuspended() { return m_suspendCount; }
bool computeRelevance();
void updateRelevance();
void invalidateEffect();
double effectivePlaybackRate() const;
void applyPendingPlaybackRate();
RefPtr<AnimationEffect> m_effect;
RefPtr<AnimationTimeline> m_timeline;
UniqueRef<ReadyPromise> m_readyPromise;
UniqueRef<FinishedPromise> m_finishedPromise;
Markable<Seconds, Seconds::MarkableTraits> m_previousCurrentTime;
Markable<Seconds, Seconds::MarkableTraits> m_startTime;
Markable<Seconds, Seconds::MarkableTraits> m_holdTime;
MarkableDouble m_pendingPlaybackRate;
double m_playbackRate { 1 };
String m_id;
int m_suspendCount { 0 };
bool m_isStopped { false };
bool m_isSuspended { false };
bool m_finishNotificationStepsMicrotaskPending;
bool m_isRelevant;
bool m_shouldSkipUpdatingFinishedStateWhenResolving;
TimeToRunPendingTask m_timeToRunPendingPlayTask { TimeToRunPendingTask::NotScheduled };
TimeToRunPendingTask m_timeToRunPendingPauseTask { TimeToRunPendingTask::NotScheduled };
// ActiveDOMObject.
const char* activeDOMObjectName() const final;
bool canSuspendForDocumentSuspension() const final;
// EventTarget
EventTargetInterface eventTargetInterface() const final { return WebAnimationEventTargetInterfaceType; }
void refEventTarget() final { ref(); }
void derefEventTarget() final { deref(); }
ScriptExecutionContext* scriptExecutionContext() const final { return ActiveDOMObject::scriptExecutionContext(); }
};
} // namespace WebCore
#define SPECIALIZE_TYPE_TRAITS_WEB_ANIMATION(ToValueTypeName, predicate) \
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::ToValueTypeName) \
static bool isType(const WebCore::WebAnimation& value) { return value.predicate; } \
SPECIALIZE_TYPE_TRAITS_END()