/* * Copyright (C) 2012 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. AND ITS CONTRIBUTORS ``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 ITS 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" #if USE(ACCELERATED_COMPOSITING) #include "GraphicsLayerUpdater.h" #include "GraphicsLayer.h" namespace WebCore { GraphicsLayerUpdater::GraphicsLayerUpdater(GraphicsLayerUpdaterClient* client, PlatformDisplayID displayID) : m_client(client) , m_scheduled(false) { #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR) DisplayRefreshMonitorManager::sharedManager()->registerClient(this); DisplayRefreshMonitorManager::sharedManager()->windowScreenDidChange(displayID, this); DisplayRefreshMonitorManager::sharedManager()->scheduleAnimation(this); #else UNUSED_PARAM(displayID); #endif } GraphicsLayerUpdater::~GraphicsLayerUpdater() { // ~DisplayRefreshMonitorClient unregisters us as a client. } void GraphicsLayerUpdater::scheduleUpdate() { if (m_scheduled) return; #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR) DisplayRefreshMonitorManager::sharedManager()->scheduleAnimation(this); #endif m_scheduled = true; } void GraphicsLayerUpdater::screenDidChange(PlatformDisplayID displayID) { #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR) DisplayRefreshMonitorManager::sharedManager()->windowScreenDidChange(displayID, this); #else UNUSED_PARAM(displayID); #endif } void GraphicsLayerUpdater::displayRefreshFired(double timestamp) { UNUSED_PARAM(timestamp); m_scheduled = false; if (m_client) m_client->flushLayers(this); } } // namespace WebCore #endif // USE(ACCELERATED_COMPOSITING)