/* * Copyright (C) 2011 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. */ #ifndef LayerFlushScheduler_h #define LayerFlushScheduler_h #include "LayerFlushSchedulerClient.h" #include "RunLoopObserver.h" #include <wtf/Noncopyable.h> namespace WebCore { class LayerFlushScheduler { WTF_MAKE_NONCOPYABLE(LayerFlushScheduler); public: LayerFlushScheduler(LayerFlushSchedulerClient*); virtual ~LayerFlushScheduler(); void schedule(); void invalidate(); void suspend(); void resume(); bool isSuspended() const { return m_isSuspended; } #if PLATFORM(COCOA) virtual void layerFlushCallback(); #endif private: bool m_isSuspended; LayerFlushSchedulerClient* m_client; #if PLATFORM(COCOA) std::unique_ptr<RunLoopObserver> m_runLoopObserver; #endif }; } // namespace WebCore #endif // LayerFlushScheduler_h