/* * 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 * 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 #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR) #include "DisplayRefreshMonitorClient.h" #include "PlatformScreen.h" #include <wtf/Ref.h> #include <wtf/RefCounted.h> #include <wtf/RefPtr.h> #include <wtf/Seconds.h> namespace WebCore { class Document; class DocumentAnimationScheduler : public RefCounted<DocumentAnimationScheduler> , public DisplayRefreshMonitorClient { public: static Ref<DocumentAnimationScheduler> create(Document&, PlatformDisplayID); ~DocumentAnimationScheduler(); void detachFromDocument(); void windowScreenDidChange(PlatformDisplayID); bool scheduleWebAnimationsResolution(); bool scheduleScriptedAnimationResolution(); Seconds lastTimestamp() { return m_lastTimestamp; } bool isFiring() const { return m_isFiring; } private: DocumentAnimationScheduler(Document&, PlatformDisplayID); RefPtr<Document> m_document; bool m_scheduledWebAnimationsResolution { false }; bool m_scheduledScriptedAnimationResolution { false }; bool m_isFiring { false }; Seconds m_lastTimestamp { 0_s }; void displayRefreshFired() override; RefPtr<DisplayRefreshMonitor> createDisplayRefreshMonitor(PlatformDisplayID) const override; }; } // namespace WebCore #endif // USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)