| /* |
| * 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. |
| */ |
| |
| #import "config.h" |
| #import "RemoteLayerTreeContext.h" |
| |
| #import "RemoteGraphicsLayer.h" |
| #import "RemoteLayerTreeTransaction.h" |
| #import "RemoteLayerTreeHostMessages.h" |
| #import "WebPage.h" |
| #import <WebCore/Frame.h> |
| #import <WebCore/FrameView.h> |
| #import <WebCore/Page.h> |
| #import <wtf/PassOwnPtr.h> |
| #import <wtf/TemporaryChange.h> |
| |
| using namespace WebCore; |
| |
| namespace WebKit { |
| |
| PassOwnPtr<RemoteLayerTreeContext> RemoteLayerTreeContext::create(WebPage* webPage) |
| { |
| return adoptPtr(new RemoteLayerTreeContext(webPage)); |
| } |
| |
| RemoteLayerTreeContext::RemoteLayerTreeContext(WebPage* webPage) |
| : m_webPage(webPage) |
| , m_layerFlushTimer(this, &RemoteLayerTreeContext::layerFlushTimerFired) |
| , m_rootLayerID(0) |
| , m_currentTransaction(nullptr) |
| { |
| } |
| |
| RemoteLayerTreeContext::~RemoteLayerTreeContext() |
| { |
| } |
| |
| void RemoteLayerTreeContext::setRootLayer(GraphicsLayer* rootLayer) |
| { |
| ASSERT(rootLayer); |
| |
| m_rootLayerID = static_cast<RemoteGraphicsLayer*>(rootLayer)->layerID(); |
| } |
| |
| void RemoteLayerTreeContext::layerWillBeDestroyed(RemoteGraphicsLayer* graphicsLayer) |
| { |
| ASSERT(!m_destroyedLayers.contains(graphicsLayer->layerID())); |
| |
| m_destroyedLayers.append(graphicsLayer->layerID()); |
| } |
| |
| void RemoteLayerTreeContext::scheduleLayerFlush() |
| { |
| if (m_layerFlushTimer.isActive()) |
| return; |
| |
| m_layerFlushTimer.startOneShot(0); |
| } |
| |
| RemoteLayerTreeTransaction& RemoteLayerTreeContext::currentTransaction() |
| { |
| ASSERT(m_currentTransaction); |
| |
| return *m_currentTransaction; |
| } |
| |
| PassOwnPtr<GraphicsLayer> RemoteLayerTreeContext::createGraphicsLayer(GraphicsLayerClient* client) |
| { |
| return RemoteGraphicsLayer::create(client, this); |
| } |
| |
| void RemoteLayerTreeContext::layerFlushTimerFired(WebCore::Timer<RemoteLayerTreeContext>*) |
| { |
| flushLayers(); |
| } |
| |
| void RemoteLayerTreeContext::flushLayers() |
| { |
| ASSERT(!m_currentTransaction); |
| |
| RemoteLayerTreeTransaction transaction; |
| transaction.setRootLayerID(m_rootLayerID); |
| transaction.setDestroyedLayerIDs(std::move(m_destroyedLayers)); |
| |
| TemporaryChange<RemoteLayerTreeTransaction*> transactionChange(m_currentTransaction, &transaction); |
| |
| m_webPage->layoutIfNeeded(); |
| m_webPage->corePage()->mainFrame()->view()->flushCompositingStateIncludingSubframes(); |
| |
| m_webPage->send(Messages::RemoteLayerTreeHost::Commit(transaction)); |
| } |
| |
| } // namespace WebKit |