/*
 * Copyright (c) 2009, Google Inc. All rights reserved.
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 * 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
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 */

#ifndef ScrollbarThemeWin_h
#define ScrollbarThemeWin_h

#include "core/platform/ScrollbarThemeNonMacCommon.h"

namespace WebCore {

class ScrollbarThemeWin : public ScrollbarThemeNonMacCommon {
public:
    virtual int scrollbarThickness(ScrollbarControlSize) OVERRIDE;
    virtual bool invalidateOnMouseEnterExit() OVERRIDE;
    virtual bool shouldSnapBackToDragOrigin(ScrollbarThemeClient*, const PlatformMouseEvent&) OVERRIDE;

protected:
    virtual void paintTrackPiece(GraphicsContext*, ScrollbarThemeClient*, const IntRect&, ScrollbarPart) OVERRIDE;
    virtual void paintButton(GraphicsContext*, ScrollbarThemeClient*, const IntRect&, ScrollbarPart) OVERRIDE;
    virtual void paintThumb(GraphicsContext*, ScrollbarThemeClient*, const IntRect&) OVERRIDE;
    virtual bool shouldCenterOnThumb(ScrollbarThemeClient*, const PlatformMouseEvent&) OVERRIDE;
    virtual IntSize buttonSize(ScrollbarThemeClient*) OVERRIDE;

private:
    int getThemeState(ScrollbarThemeClient*, ScrollbarPart) const;
    int getThemeArrowState(ScrollbarThemeClient*, ScrollbarPart) const;
    int getClassicThemeState(ScrollbarThemeClient*, ScrollbarPart) const;
};

} // namespace WebCore

#endif