blob: d749a065dc53d57121dda4cb9661ed256208c002 [file] [log] [blame]
/*
* Copyright (C) 2020 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 "GenericTaskQueue.h"
#include "ReducedResolutionSeconds.h"
#include "Timer.h"
#include <wtf/Markable.h>
#include <wtf/Seconds.h>
#include <wtf/WeakHashSet.h>
namespace WebCore {
class CSSTransition;
class Document;
class DocumentTimeline;
class WebAnimation;
class DocumentTimelinesController {
WTF_MAKE_FAST_ALLOCATED;
public:
explicit DocumentTimelinesController(Document&);
~DocumentTimelinesController();
void addTimeline(DocumentTimeline&);
void removeTimeline(DocumentTimeline&);
void detachFromDocument();
void updateAnimationsAndSendEvents(ReducedResolutionSeconds);
Optional<Seconds> currentTime();
WEBCORE_EXPORT void suspendAnimations();
WEBCORE_EXPORT void resumeAnimations();
WEBCORE_EXPORT bool animationsAreSuspended() const;
private:
struct AnimationsToProcess {
Vector<RefPtr<WebAnimation>> animationsToRemove;
Vector<RefPtr<CSSTransition>> completedTransitions;
};
ReducedResolutionSeconds liveCurrentTime() const;
void cacheCurrentTime(ReducedResolutionSeconds);
void maybeClearCachedCurrentTime();
WeakHashSet<DocumentTimeline> m_timelines;
GenericTaskQueue<Timer> m_currentTimeClearingTaskQueue;
Document& m_document;
Markable<Seconds, Seconds::MarkableTraits> m_cachedCurrentTime;
bool m_isSuspended { false };
bool m_waitingOnVMIdle { false };
};
} // namespace WebCore