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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 "AnimationEffect.h"
#include "AnimationEffectPhase.h"
#include "BasicEffectTiming.h"
#include "ComputedEffectTiming.h"
#include "ExceptionOr.h"
#include "FillMode.h"
#include "KeyframeEffectOptions.h"
#include "OptionalEffectTiming.h"
#include "PlaybackDirection.h"
#include "TimingFunction.h"
#include "WebAnimation.h"
#include "WebAnimationUtilities.h"
#include <variant>
#include <wtf/Forward.h>
#include <wtf/Ref.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/Seconds.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class AnimationEffect : public RefCounted<AnimationEffect>, public CanMakeWeakPtr<AnimationEffect> {
WTF_MAKE_ISO_ALLOCATED(AnimationEffect);
public:
virtual ~AnimationEffect();
virtual bool isCustomEffect() const { return false; }
virtual bool isKeyframeEffect() const { return false; }
EffectTiming getBindingsTiming() const;
EffectTiming getTiming() const;
BasicEffectTiming getBasicTiming(std::optional<Seconds> = std::nullopt) const;
ComputedEffectTiming getBindingsComputedTiming() const;
ComputedEffectTiming getComputedTiming(std::optional<Seconds> = std::nullopt) const;
ExceptionOr<void> bindingsUpdateTiming(std::optional<OptionalEffectTiming>);
ExceptionOr<void> updateTiming(std::optional<OptionalEffectTiming>);
virtual void animationDidTick() { };
virtual void animationDidChangeTimingProperties() { };
virtual void animationWasCanceled() { };
virtual void animationSuspensionStateDidChange(bool) { };
virtual void animationTimelineDidChange(AnimationTimeline*) { };
virtual void animationDidFinish() { };
WebAnimation* animation() const { return m_animation.get(); }
virtual void setAnimation(WebAnimation*);
Seconds delay() const { return m_delay; }
void setDelay(const Seconds&);
Seconds endDelay() const { return m_endDelay; }
void setEndDelay(const Seconds&);
FillMode fill() const { return m_fill; }
void setFill(FillMode);
double iterationStart() const { return m_iterationStart; }
ExceptionOr<void> setIterationStart(double);
double iterations() const { return m_iterations; }
ExceptionOr<void> setIterations(double);
Seconds iterationDuration() const { return m_iterationDuration; }
void setIterationDuration(const Seconds&);
PlaybackDirection direction() const { return m_direction; }
void setDirection(PlaybackDirection);
TimingFunction* timingFunction() const { return m_timingFunction.get(); }
void setTimingFunction(const RefPtr<TimingFunction>&);
Seconds activeDuration() const { return m_activeDuration; }
Seconds endTime() const { return m_endTime; }
void updateStaticTimingProperties();
virtual Seconds timeToNextTick(const BasicEffectTiming&) const;
virtual bool preventsAnimationReadiness() const { return false; }
protected:
explicit AnimationEffect();
virtual bool ticksContinouslyWhileActive() const { return false; }
virtual std::optional<double> progressUntilNextStep(double) const;
private:
enum class ComputedDirection : uint8_t { Forwards, Reverse };
FillMode m_fill { FillMode::Auto };
PlaybackDirection m_direction { PlaybackDirection::Normal };
WeakPtr<WebAnimation, WeakPtrImplWithEventTargetData> m_animation;
RefPtr<TimingFunction> m_timingFunction;
double m_iterationStart { 0 };
double m_iterations { 1 };
Seconds m_delay { 0_s };
Seconds m_endDelay { 0_s };
Seconds m_iterationDuration { 0_s };
Seconds m_activeDuration { 0_s };
Seconds m_endTime { 0_s };
};
} // namespace WebCore
#define SPECIALIZE_TYPE_TRAITS_ANIMATION_EFFECT(ToValueTypeName, predicate) \
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::ToValueTypeName) \
static bool isType(const WebCore::AnimationEffect& value) { return value.predicate; } \
SPECIALIZE_TYPE_TRAITS_END()
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