Source/WebCore/animation/CSSTransition.h

/*
 * Copyright (C) 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
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 */

#pragma once

#include "CSSPropertyNames.h"
#include "DeclarativeAnimation.h"
#include <wtf/Ref.h>

namespace WebCore {

class Animation;
class Element;
class RenderStyle;

class CSSTransition final : public DeclarativeAnimation {
public:
    static Ref<CSSTransition> create(Element&, CSSPropertyID, const Animation&, const RenderStyle* oldStyle, const RenderStyle& newStyle);
    ~CSSTransition() = default;

    bool isCSSTransition() const override { return true; }
    String transitionProperty() const { return getPropertyNameString(m_property); }
    CSSPropertyID property() const { return m_property; }

    bool matchesBackingAnimationAndStyles(const Animation&, const RenderStyle* oldStyle, const RenderStyle& newStyle) const;
    bool canBeListed() const final;

protected:
    void initialize(const Element&, const RenderStyle* oldStyle, const RenderStyle& newStyle) final;

private:
    CSSTransition(Element&, CSSPropertyID, const Animation&);

    CSSPropertyID m_property;

};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_WEB_ANIMATION(CSSTransition, isCSSTransition())