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/*
* Copyright (C) 2010 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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.
*/
#ifndef WebScrollbarImpl_h
#define WebScrollbarImpl_h
#include "ScrollableArea.h"
#include "WebScrollbar.h"
#include <wtf/RefPtr.h>
namespace WebCore {
class Scrollbar;
}
namespace WebKit {
class WebScrollbarImpl : public WebScrollbar,
public WebCore::ScrollableArea {
public:
WebScrollbarImpl(WebScrollbarClient*, Orientation orientation);
~WebScrollbarImpl();
// WebKit::WebScrollbar methods
virtual void setLocation(const WebRect&);
virtual int value() const;
virtual void setValue(int position);
virtual void setDocumentSize(int size);
virtual void scroll(ScrollDirection, ScrollGranularity, float multiplier);
virtual void paint(WebCanvas*, const WebRect&);
virtual bool handleInputEvent(const WebInputEvent&);
// WebCore::ScrollableArea methods
virtual int scrollSize(WebCore::ScrollbarOrientation) const;
virtual int scrollPosition(WebCore::Scrollbar*) const;
virtual void setScrollOffset(const WebCore::IntPoint&);
virtual void invalidateScrollbarRect(WebCore::Scrollbar*, const WebCore::IntRect&);
virtual bool isActive() const;
virtual bool scrollbarCornerPresent() const;
virtual void getTickmarks(Vector<WebCore::IntRect>&) const;
private:
bool onMouseDown(const WebInputEvent& event);
bool onMouseUp(const WebInputEvent& event);
bool onMouseMove(const WebInputEvent& event);
bool onMouseLeave(const WebInputEvent& event);
bool onMouseWheel(const WebInputEvent& event);
bool onKeyDown(const WebInputEvent& event);
WebScrollbarClient* m_client;
int m_scrollOffset;
RefPtr<WebCore::Scrollbar> m_scrollbar;
};
} // namespace WebKit
#endif
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