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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 ScrollbarThemeMac_h
#define ScrollbarThemeMac_h
#include "ScrollbarThemeComposite.h"
typedef id ScrollbarPainter;
namespace WebCore {
class ScrollbarThemeMac : public ScrollbarThemeComposite {
public:
ScrollbarThemeMac();
virtual ~ScrollbarThemeMac();
void preferencesChanged();
virtual void updateEnabledState(ScrollbarThemeClient*);
virtual bool paint(ScrollbarThemeClient*, GraphicsContext*, const IntRect& damageRect);
virtual int scrollbarThickness(ScrollbarControlSize = RegularScrollbar);
virtual bool supportsControlTints() const { return true; }
virtual bool usesOverlayScrollbars() const;
virtual void usesOverlayScrollbarsChanged() OVERRIDE;
virtual void updateScrollbarOverlayStyle(ScrollbarThemeClient*);
virtual double initialAutoscrollTimerDelay();
virtual double autoscrollTimerDelay();
virtual ScrollbarButtonsPlacement buttonsPlacement() const;
virtual void registerScrollbar(ScrollbarThemeClient*);
virtual void unregisterScrollbar(ScrollbarThemeClient*);
void setNewPainterForScrollbar(ScrollbarThemeClient*, ScrollbarPainter);
ScrollbarPainter painterForScrollbar(ScrollbarThemeClient*);
static bool isCurrentlyDrawingIntoLayer();
static void setIsCurrentlyDrawingIntoLayer(bool);
protected:
virtual bool hasButtons(ScrollbarThemeClient*);
virtual bool hasThumb(ScrollbarThemeClient*);
virtual IntRect backButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool painting = false);
virtual IntRect forwardButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool painting = false);
virtual IntRect trackRect(ScrollbarThemeClient*, bool painting = false);
virtual int maxOverlapBetweenPages() { return 40; }
virtual int minimumThumbLength(ScrollbarThemeClient*);
virtual bool shouldCenterOnThumb(ScrollbarThemeClient*, const PlatformMouseEvent&);
virtual bool shouldDragDocumentInsteadOfThumb(ScrollbarThemeClient*, const PlatformMouseEvent&);
int scrollbarPartToHIPressedState(ScrollbarPart);
#if USE(ACCELERATED_COMPOSITING) && ENABLE(RUBBER_BANDING)
virtual void setUpOverhangAreasLayerContents(GraphicsLayer*, const Color&) OVERRIDE;
virtual void setUpContentShadowLayer(GraphicsLayer*) OVERRIDE;
#endif
};
}
#endif
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