84 lines
2.8 KiB
C++
84 lines
2.8 KiB
C++
/*
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* Copyright (C) 2011 Google Inc. All Rights Reserved.
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* Copyright (C) 2020 Metrological Group B.V.
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* Copyright (C) 2020 Igalia S.L.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(OFFSCREEN_CANVAS_IN_WORKERS)
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#include "ActiveDOMObject.h"
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#include "DOMHighResTimeStamp.h"
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#include "PlatformScreen.h"
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#include "Timer.h"
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#include <wtf/ThreadSafeRefCounted.h>
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namespace WebCore {
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class RequestAnimationFrameCallback;
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class WorkerGlobalScope;
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class WorkerAnimationController final : public ThreadSafeRefCounted<WorkerAnimationController>, public ActiveDOMObject {
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public:
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static Ref<WorkerAnimationController> create(WorkerGlobalScope&);
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~WorkerAnimationController();
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int requestAnimationFrame(Ref<RequestAnimationFrameCallback>&&);
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void cancelAnimationFrame(int);
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using ThreadSafeRefCounted::ref;
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using ThreadSafeRefCounted::deref;
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private:
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WorkerAnimationController(WorkerGlobalScope&);
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const char* activeDOMObjectName() const final;
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bool virtualHasPendingActivity() const final;
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void stop() final;
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void suspend(ReasonForSuspension) final;
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void resume() final;
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void scheduleAnimation();
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void animationTimerFired();
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void serviceRequestAnimationFrameCallbacks(DOMHighResTimeStamp timestamp);
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WorkerGlobalScope& m_workerGlobalScope;
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typedef Vector<RefPtr<RequestAnimationFrameCallback>> CallbackList;
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CallbackList m_animationCallbacks;
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typedef int CallbackId;
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CallbackId m_nextAnimationCallbackId { 0 };
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Timer m_animationTimer;
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DOMHighResTimeStamp m_lastAnimationFrameTimestamp { 0 };
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bool m_savedIsActive { false };
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};
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} // namespace WebCore
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#endif
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