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/*
* Copyright (C) 2013 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"
#include "ScrollingStateScrollingNode.h"
#include "GraphicsLayer.h"
#include "ScrollingStateTree.h"
#if ENABLE(THREADED_SCROLLING)
namespace WebCore {
PlatformLayer* ScrollingStateScrollingNode::counterScrollingPlatformLayer() const
{
return m_counterScrollingPlatformLayer.get();
}
void ScrollingStateScrollingNode::setCounterScrollingLayer(GraphicsLayer* graphicsLayer)
{
PlatformLayer* platformScrollLayer = graphicsLayer ? graphicsLayer->platformLayer() : nil;
if (m_counterScrollingPlatformLayer == platformScrollLayer)
return;
m_counterScrollingPlatformLayer = platformScrollLayer;
m_counterScrollingLayer = graphicsLayer;
setPropertyChanged(CounterScrollingLayer);
if (m_scrollingStateTree)
m_scrollingStateTree->setHasChangedProperties(true);
}
PlatformLayer* ScrollingStateScrollingNode::headerPlatformLayer() const
{
return m_headerPlatformLayer.get();
}
void ScrollingStateScrollingNode::setHeaderLayer(GraphicsLayer* graphicsLayer)
{
PlatformLayer* platformHeaderLayer = graphicsLayer ? graphicsLayer->platformLayer() : nil;
if (m_headerPlatformLayer == platformHeaderLayer)
return;
m_headerPlatformLayer = platformHeaderLayer;
m_headerLayer = graphicsLayer;
setPropertyChanged(HeaderLayer);
if (m_scrollingStateTree)
m_scrollingStateTree->setHasChangedProperties(true);
}
PlatformLayer* ScrollingStateScrollingNode::footerPlatformLayer() const
{
return m_footerPlatformLayer.get();
}
void ScrollingStateScrollingNode::setFooterLayer(GraphicsLayer* graphicsLayer)
{
PlatformLayer* platformFooterLayer = graphicsLayer ? graphicsLayer->platformLayer() : nil;
if (m_footerPlatformLayer == platformFooterLayer)
return;
m_footerPlatformLayer = platformFooterLayer;
m_footerLayer = graphicsLayer;
setPropertyChanged(FooterLayer);
if (m_scrollingStateTree)
m_scrollingStateTree->setHasChangedProperties(true);
}
} // namespace WebCore
#endif // ENABLE(THREADED_SCROLLING)
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