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/*
* Copyright (C) 2010, 2011, 2012 Research In Motion Limited. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef FrameLayers_h
#define FrameLayers_h
#if USE(ACCELERATED_COMPOSITING)
#include "GraphicsLayer.h"
#include <wtf/HashMap.h>
#include <wtf/OwnPtr.h>
namespace WebCore {
class Frame;
class LayerWebKitThread;
}
namespace BlackBerry {
namespace WebKit {
class WebPagePrivate;
// This class may only be used on the WebKit thread.
class FrameLayers {
public:
FrameLayers(WebPagePrivate*);
~FrameLayers();
bool containsLayerForFrame(WebCore::Frame*);
void addLayer(WebCore::Frame*, WebCore::LayerWebKitThread*);
void removeLayerByFrame(WebCore::Frame*);
bool hasLayer() const { return m_frameLayers.size(); }
void commitOnWebKitThread(double scale);
void calculateRootLayer();
bool isRootLayerMainFrameLayer() const { return m_rootLayer && !m_rootGraphicsLayer; }
// FIXME: This function should only be called on the WebKit thread.
// But it's now also being called on the Compositing thread.
WebCore::LayerWebKitThread* rootLayer() const { return m_rootLayer; }
private:
WebPagePrivate* m_pagePrivate;
OwnPtr<WebCore::GraphicsLayer> m_rootGraphicsLayer;
WebCore::LayerWebKitThread* m_rootLayer;
typedef HashMap<WebCore::Frame*, WebCore::LayerWebKitThread*> FrameLayerMap;
FrameLayerMap m_frameLayers;
};
} // namespace BlackBerry
} // namespace WebKit
#endif // USE(ACCELERATED_COMPOSITING)
#endif // FrameLayers_h
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