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/*
* Copyright (C) 2008 Apple 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 INC. ``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 INC. 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 RenderScrollbarTheme_h
#define RenderScrollbarTheme_h
#include "ScrollbarThemeComposite.h"
namespace WebCore {
class PlatformMouseEvent;
class Scrollbar;
class ScrollView;
class RenderScrollbarTheme : public ScrollbarThemeComposite {
public:
virtual ~RenderScrollbarTheme() {};
virtual int scrollbarThickness(ScrollbarControlSize controlSize) { return ScrollbarTheme::nativeTheme()->scrollbarThickness(controlSize); }
virtual ScrollbarButtonsPlacement buttonsPlacement() const { return ScrollbarTheme::nativeTheme()->buttonsPlacement(); }
virtual bool supportsControlTints() const { return true; }
virtual void paintScrollCorner(ScrollView*, GraphicsContext* context, const IntRect& cornerRect);
virtual bool shouldCenterOnThumb(Scrollbar* scrollbar, const PlatformMouseEvent& event) { return ScrollbarTheme::nativeTheme()->shouldCenterOnThumb(scrollbar, event); }
virtual double initialAutoscrollTimerDelay() { return ScrollbarTheme::nativeTheme()->initialAutoscrollTimerDelay(); }
virtual double autoscrollTimerDelay() { return ScrollbarTheme::nativeTheme()->autoscrollTimerDelay(); }
virtual void registerScrollbar(Scrollbar* scrollbar) { return ScrollbarTheme::nativeTheme()->registerScrollbar(scrollbar); }
virtual void unregisterScrollbar(Scrollbar* scrollbar) { return ScrollbarTheme::nativeTheme()->unregisterScrollbar(scrollbar); }
virtual int minimumThumbLength(Scrollbar*);
void buttonSizesAlongTrackAxis(Scrollbar* scrollbar, int& beforeSize, int& afterSize);
static RenderScrollbarTheme* renderScrollbarTheme();
protected:
virtual bool hasButtons(Scrollbar*);
virtual bool hasThumb(Scrollbar*);
virtual IntRect backButtonRect(Scrollbar*, ScrollbarPart, bool painting = false);
virtual IntRect forwardButtonRect(Scrollbar*, ScrollbarPart, bool painting = false);
virtual IntRect trackRect(Scrollbar*, bool painting = false);
virtual void paintScrollbarBackground(GraphicsContext*, Scrollbar*);
virtual void paintTrackBackground(GraphicsContext*, Scrollbar*, const IntRect&);
virtual void paintTrackPiece(GraphicsContext*, Scrollbar*, const IntRect&, ScrollbarPart);
virtual void paintButton(GraphicsContext*, Scrollbar*, const IntRect&, ScrollbarPart);
virtual void paintThumb(GraphicsContext*, Scrollbar*, const IntRect&);
virtual IntRect constrainTrackRectToTrackPieces(Scrollbar*, const IntRect&);
};
} // namespace WebCore
#endif // RenderScrollbarTheme_h
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