Source/WebCore/animation/AnimationPlaybackEvent.h

/*
 * 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
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 */

#pragma once

#include "AnimationEventBase.h"
#include "AnimationPlaybackEventInit.h"
#include <wtf/Markable.h>

namespace WebCore {

class AnimationPlaybackEvent final : public AnimationEventBase {
    WTF_MAKE_ISO_ALLOCATED(AnimationPlaybackEvent);
public:
    static Ref<AnimationPlaybackEvent> create(const AtomString& type, std::optional<Seconds> currentTime, std::optional<Seconds> timelineTime, WebAnimation* animation)
    {
        return adoptRef(*new AnimationPlaybackEvent(type, currentTime, timelineTime, animation));
    }

    static Ref<AnimationPlaybackEvent> create(const AtomString& type, const AnimationPlaybackEventInit& initializer, IsTrusted isTrusted = IsTrusted::No)
    {
        return adoptRef(*new AnimationPlaybackEvent(type, initializer, isTrusted));
    }

    virtual ~AnimationPlaybackEvent();

    bool isAnimationPlaybackEvent() const final { return true; }

    std::optional<double> bindingsCurrentTime() const;
    std::optional<Seconds> currentTime() const { return m_currentTime; }
    std::optional<double> bindingsTimelineTime() const;

    EventInterface eventInterface() const override { return AnimationPlaybackEventInterfaceType; }

private:
    AnimationPlaybackEvent(const AtomString&, std::optional<Seconds>, std::optional<Seconds>, WebAnimation*);
    AnimationPlaybackEvent(const AtomString&, const AnimationPlaybackEventInit&, IsTrusted);

    Markable<Seconds, Seconds::MarkableTraits> m_currentTime;
};

}

SPECIALIZE_TYPE_TRAITS_ANIMATION_EVENT_BASE(AnimationPlaybackEvent, isAnimationPlaybackEvent())