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/*
* Copyright (C) 2011 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 ScrollbarThemeOverlay_h
#define ScrollbarThemeOverlay_h
#include "platform/graphics/Color.h"
#include "platform/scroll/ScrollbarTheme.h"
namespace blink {
// This scrollbar theme is used to get overlay scrollbar for platforms other
// than Mac. Mac's overlay scrollbars are in ScrollbarThemeMac*.
class PLATFORM_EXPORT ScrollbarThemeOverlay : public ScrollbarTheme {
public:
enum HitTestBehavior { AllowHitTest, DisallowHitTest };
ScrollbarThemeOverlay(int thumbThickness, int scrollbarMargin, HitTestBehavior);
ScrollbarThemeOverlay(int thumbThickness, int scrollbarMargin, HitTestBehavior, Color);
virtual ~ScrollbarThemeOverlay() { }
virtual int scrollbarThickness(ScrollbarControlSize) override;
virtual int scrollbarMargin() const override;
virtual bool usesOverlayScrollbars() const override;
virtual int thumbPosition(ScrollbarThemeClient*) override;
virtual int thumbLength(ScrollbarThemeClient*) override;
virtual bool hasButtons(ScrollbarThemeClient*) override { return false; };
virtual bool hasThumb(ScrollbarThemeClient*) override;
virtual IntRect backButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool painting = false) override;
virtual IntRect forwardButtonRect(ScrollbarThemeClient*, ScrollbarPart, bool painting = false) override;
virtual IntRect trackRect(ScrollbarThemeClient*, bool painting = false) override;
virtual int thumbThickness(ScrollbarThemeClient*) override;
virtual void paintThumb(GraphicsContext*, ScrollbarThemeClient*, const IntRect&) override;
virtual ScrollbarPart hitTest(ScrollbarThemeClient*, const IntPoint&) override;
private:
int m_thumbThickness;
int m_scrollbarMargin;
HitTestBehavior m_allowHitTest;
Color m_color;
const bool m_useSolidColor;
};
} // namespace blink
#endif
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