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/*
* Copyright (C) 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 InRegionScrollableArea_h
#define InRegionScrollableArea_h
#include "IntRect.h"
#include <interaction/ScrollViewBase.h>
namespace WebCore {
class LayerWebKitThread;
class Node;
class RenderLayer;
}
namespace BlackBerry {
namespace WebKit {
class WebPagePrivate;
class InRegionScrollableArea : public Platform::ScrollViewBase {
public:
InRegionScrollableArea();
InRegionScrollableArea(WebPagePrivate*, WebCore::RenderLayer*);
virtual ~InRegionScrollableArea();
void setVisibleWindowRect(const WebCore::IntRect&);
Platform::IntRect visibleWindowRect() const;
WebCore::RenderLayer* layer() const;
private:
WebPagePrivate* m_webPage;
WebCore::RenderLayer* m_layer;
// We either cache one here: in case of a composited scrollable layer
// cache the LayerWebKitThread. Otherwise, the Node.
RefPtr<WebCore::LayerWebKitThread> m_cachedCompositedScrollableLayer;
RefPtr<WebCore::Node> m_cachedNonCompositedScrollableNode;
bool m_hasWindowVisibleRectCalculated;
};
}
}
#endif
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