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/*
* Copyright (C) Canon Inc. 2016
* 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/WebAnimationTypes.h>
#include <wtf/Forward.h>
#include <wtf/RefCountedAndCanMakeWeakPtr.h>
#include <wtf/WeakPtr.h>
#if ENABLE(THREADED_ANIMATIONS)
#include <WebCore/AcceleratedTimeline.h>
#include <WebCore/TimelineIdentifier.h>
#endif
namespace WebCore {
class AnimationTimelinesController;
class WebAnimation;
namespace Style {
struct SingleAnimationRange;
}
class AnimationTimeline : public RefCountedAndCanMakeWeakPtr<AnimationTimeline> {
public:
virtual ~AnimationTimeline();
virtual bool isDocumentTimeline() const { return false; }
virtual bool isScrollTimeline() const { return false; }
virtual bool isViewTimeline() const { return false; }
bool isMonotonic() const { return !m_duration; }
bool isProgressBased() const { return !isMonotonic(); }
const AnimationCollection& relevantAnimations() const { return m_animations; }
virtual void animationTimingDidChange(WebAnimation&);
virtual void removeAnimation(WebAnimation&);
virtual std::optional<WebAnimationTime> currentTime(UseCachedCurrentTime = UseCachedCurrentTime::Yes) { return m_currentTime; }
virtual std::optional<WebAnimationTime> duration() const { return m_duration; }
virtual void detachFromDocument();
enum class ShouldUpdateAnimationsAndSendEvents : bool { No, Yes };
virtual ShouldUpdateAnimationsAndSendEvents documentWillUpdateAnimationsAndSendEvents() { return ShouldUpdateAnimationsAndSendEvents::No; }
virtual void suspendAnimations();
virtual void resumeAnimations();
bool animationsAreSuspended() const;
virtual AnimationTimelinesController* controller() const { return nullptr; }
virtual Style::SingleAnimationRange defaultRange() const;
static void updateGlobalPosition(WebAnimation&);
#if ENABLE(THREADED_ANIMATIONS)
bool canBeAccelerated() const { return m_canBeAccelerated; }
virtual bool computeCanBeAccelerated() const { return false; }
Ref<AcceleratedTimeline> acceleratedRepresentation();
void runPostRenderingUpdateTasks();
const TimelineIdentifier& acceleratedTimelineIdentifier() const { return m_acceleratedTimelineIdentifier; }
#endif
protected:
AnimationTimeline(std::optional<WebAnimationTime> = std::nullopt);
#if ENABLE(THREADED_ANIMATIONS)
WeakPtr<AcceleratedTimeline> m_acceleratedRepresentation;
virtual Ref<AcceleratedTimeline> createAcceleratedRepresentation() const;
#endif
AnimationCollection m_animations;
#if ENABLE(THREADED_ANIMATIONS)
TimelineIdentifier m_acceleratedTimelineIdentifier;
#endif
private:
#if ENABLE(THREADED_ANIMATIONS)
bool m_canBeAccelerated { false };
#endif
std::optional<WebAnimationTime> m_currentTime;
std::optional<WebAnimationTime> m_duration;
};
} // namespace WebCore
#define SPECIALIZE_TYPE_TRAITS_ANIMATION_TIMELINE(ToValueTypeName, predicate) \
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::ToValueTypeName) \
static bool isType(const WebCore::AnimationTimeline& value) { return value.predicate; } \
SPECIALIZE_TYPE_TRAITS_END()
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