AnimationEffect.h   [plain text]

/*
 * 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 "AnimationEffectTiming.h"
#include "WebAnimation.h"
#include <wtf/Forward.h>
#include <wtf/Ref.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>

namespace WebCore {

class AnimationEffect : public RefCounted<AnimationEffect> {
public:
    virtual ~AnimationEffect() = default;

    bool isKeyframeEffect() const { return m_classType == KeyframeEffectClass; }
    AnimationEffectTiming* timing() const { return m_timing.get(); }
    virtual void applyAtLocalTime(Seconds, RenderStyle&) = 0;

    WebAnimation* animation() const { return m_animation.get(); }
    void setAnimation(RefPtr<WebAnimation>&& animation) { m_animation = animation; }

protected:
    enum ClassType {
        KeyframeEffectClass
    };

    ClassType classType() const { return m_classType; }

    explicit AnimationEffect(ClassType);

private:
    ClassType m_classType;
    RefPtr<WebAnimation> m_animation;
    RefPtr<AnimationEffectTiming> m_timing;
};

} // 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()