/*
* Copyright (C) 2012 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:
*
* 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 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 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.
*/
#ifndef WebScrollbarThemeGeometryNative_h
#define WebScrollbarThemeGeometryNative_h
#include "platform/PlatformExport.h"
#include "public/platform/WebRect.h"
#include "public/platform/WebScrollbarThemeGeometry.h"
#include "wtf/PassOwnPtr.h"
namespace WebCore {
class ScrollbarTheme;
}
namespace blink {
class WebScrollbar;
class PLATFORM_EXPORT WebScrollbarThemeGeometryNative : public WebScrollbarThemeGeometry {
public:
static PassOwnPtr<WebScrollbarThemeGeometryNative> create(WebCore::ScrollbarTheme*);
// WebScrollbarThemeGeometry overrides
virtual WebScrollbarThemeGeometryNative* clone() const OVERRIDE;
virtual int thumbPosition(WebScrollbar*) OVERRIDE;
virtual int thumbLength(WebScrollbar*) OVERRIDE;
virtual int trackPosition(WebScrollbar*) OVERRIDE;
virtual int trackLength(WebScrollbar*) OVERRIDE;
virtual bool hasButtons(WebScrollbar*) OVERRIDE;
virtual bool hasThumb(WebScrollbar*) OVERRIDE;
virtual WebRect trackRect(WebScrollbar*) OVERRIDE;
virtual WebRect thumbRect(WebScrollbar*) OVERRIDE;
virtual int minimumThumbLength(WebScrollbar*) OVERRIDE;
virtual int scrollbarThickness(WebScrollbar*) OVERRIDE;
virtual WebRect backButtonStartRect(WebScrollbar*) OVERRIDE;
virtual WebRect backButtonEndRect(WebScrollbar*) OVERRIDE;
virtual WebRect forwardButtonStartRect(WebScrollbar*) OVERRIDE;
virtual WebRect forwardButtonEndRect(WebScrollbar*) OVERRIDE;
virtual WebRect constrainTrackRectToTrackPieces(WebScrollbar*, const WebRect&) OVERRIDE;
virtual void splitTrack(WebScrollbar*, const WebRect& track, WebRect& startTrack, WebRect& thumb, WebRect& endTrack) OVERRIDE;
private:
explicit WebScrollbarThemeGeometryNative(WebCore::ScrollbarTheme*);
// The theme is not owned by this class. It is assumed that the theme is a
// static pointer and its lifetime is essentially infinite. Only thread-safe
// functions on the theme can be called by this theme.
WebCore::ScrollbarTheme* m_theme;
};
} // namespace blink
#endif