/* * Copyright (C) 2020 Sony Interactive Entertainment Inc. * * 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. */ #include "config.h" #include "DisplayRefreshMonitorWin.h" namespace WebCore { RefPtr<DisplayRefreshMonitorWin> DisplayRefreshMonitorWin::create(PlatformDisplayID displayID) { return adoptRef(*new DisplayRefreshMonitorWin(displayID)); } DisplayRefreshMonitorWin::DisplayRefreshMonitorWin(PlatformDisplayID displayID) : DisplayRefreshMonitor(displayID) , m_timer(RunLoop::main(), this, &DisplayRefreshMonitorWin::displayLinkFired) { } bool DisplayRefreshMonitorWin::requestRefreshCallback() { if (!isActive()) return false; m_timer.startOneShot(16_ms); setIsActive(true); setIsScheduled(true); return true; } void DisplayRefreshMonitorWin::displayLinkFired() { if (!isPreviousFrameDone()) return; setIsPreviousFrameDone(false); handleDisplayRefreshedNotificationOnMainThread(this); } } // namespace WebCore