/* * Copyright (C) 2014 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 DisplayRefreshMonitorMac_h #define DisplayRefreshMonitorMac_h #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR) #include "DisplayRefreshMonitor.h" #include <wtf/WeakPtr.h> typedef struct __CVDisplayLink *CVDisplayLinkRef; namespace WebCore { class DisplayRefreshMonitorMac : public DisplayRefreshMonitor { public: static PassRefPtr<DisplayRefreshMonitorMac> create(PlatformDisplayID displayID) { return adoptRef(new DisplayRefreshMonitorMac(displayID)); } virtual ~DisplayRefreshMonitorMac(); void displayLinkFired(); bool requestRefreshCallback() override; private: explicit DisplayRefreshMonitorMac(PlatformDisplayID); WeakPtrFactory<DisplayRefreshMonitorMac> m_weakFactory; CVDisplayLinkRef m_displayLink; }; } #endif // USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR) #endif