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/*
* 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
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