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/*
* Copyright (C) 2008-2019 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 "QualifiedName.h"
#include "SMILTime.h"
#include "Timer.h"
#include <wtf/HashMap.h>
#include <wtf/RefCounted.h>
#include <wtf/text/StringHash.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class SVGElement;
class SVGSMILElement;
class SVGSVGElement;
class WeakPtrImplWithEventTargetData;
DECLARE_ALLOCATOR_WITH_HEAP_IDENTIFIER(SMILTimeContainer);
class SMILTimeContainer final : public RefCounted<SMILTimeContainer> {
WTF_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(SMILTimeContainer);
public:
static Ref<SMILTimeContainer> create(SVGSVGElement& owner) { return adoptRef(*new SMILTimeContainer(owner)); }
void schedule(SVGSMILElement*, SVGElement*, const QualifiedName&);
void unschedule(SVGSMILElement*, SVGElement*, const QualifiedName&);
void notifyIntervalsChanged();
WEBCORE_EXPORT Seconds animationFrameDelay() const;
SMILTime elapsed() const;
bool isActive() const;
bool isPaused() const;
void begin();
void pause();
void resume();
void setElapsed(SMILTime);
void setDocumentOrderIndexesDirty() { m_documentOrderIndexesDirty = true; }
private:
SMILTimeContainer(SVGSVGElement& owner);
bool isStarted() const;
void timerFired();
void startTimer(SMILTime elapsed, SMILTime fireTime, SMILTime minimumDelay = 0);
void updateAnimations(SMILTime elapsed, bool seekToTime = false);
using ElementAttributePair = std::pair<SVGElement*, QualifiedName>;
using AnimationsVector = Vector<SVGSMILElement*>;
using GroupedAnimationsMap = UncheckedKeyHashMap<ElementAttributePair, AnimationsVector>;
void processScheduledAnimations(NOESCAPE const Function<void(SVGSMILElement&)>&);
void updateDocumentOrderIndexes();
void sortByPriority(AnimationsVector& smilElements, SMILTime elapsed);
MonotonicTime m_beginTime;
MonotonicTime m_pauseTime;
Seconds m_accumulatedActiveTime { 0_s };
MonotonicTime m_resumeTime;
Seconds m_presetStartTime { 0_s };
bool m_documentOrderIndexesDirty { false };
Timer m_timer;
GroupedAnimationsMap m_scheduledAnimations;
WeakRef<SVGSVGElement, WeakPtrImplWithEventTargetData> m_ownerSVGElement;
};
} // namespace WebCore
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