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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 "platform/scroll/ScrollbarTheme.h"
namespace blink {
class PlatformMouseEvent;
class RenderScrollbarTheme final : public ScrollbarTheme {
public:
virtual ~RenderScrollbarTheme() { }
virtual int scrollbarThickness(ScrollbarControlSize controlSize) override { return ScrollbarTheme::theme()->scrollbarThickness(controlSize); }
virtual ScrollbarButtonsPlacement buttonsPlacement() const override { return ScrollbarTheme::theme()->buttonsPlacement(); }
virtual bool paint(ScrollbarThemeClient*, GraphicsContext*, const IntRect& damageRect);
virtual void paintScrollCorner(GraphicsContext*, const IntRect& cornerRect) override;
virtual bool shouldCenterOnThumb(ScrollbarThemeClient* scrollbar, const PlatformMouseEvent& event) override { return ScrollbarTheme::theme()->shouldCenterOnThumb(scrollbar, event); }
virtual bool shouldSnapBackToDragOrigin(ScrollbarThemeClient* scrollbar, const PlatformMouseEvent& event) override { return ScrollbarTheme::theme()->shouldSnapBackToDragOrigin(scrollbar, event); }
virtual double initialAutoscrollTimerDelay() override { return ScrollbarTheme::theme()->initialAutoscrollTimerDelay(); }
virtual double autoscrollTimerDelay() override { return ScrollbarTheme::theme()->autoscrollTimerDelay(); }
virtual void registerScrollbar(ScrollbarThemeClient* scrollbar) override { return ScrollbarTheme::theme()->registerScrollbar(scrollbar); }
virtual void unregisterScrollbar(ScrollbarThemeClient* scrollbar) override { return ScrollbarTheme::theme()->unregisterScrollbar(scrollbar); }
virtual int minimumThumbLength(ScrollbarThemeClient*) override;
void buttonSizesAlongTrackAxis(ScrollbarThemeClient*, int& beforeSize, int& afterSize);
static RenderScrollbarTheme* renderScrollbarTheme();
protected:
virtual bool hasButtons(ScrollbarThemeClient*) override;
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 void paintScrollbarBackground(GraphicsContext*, ScrollbarThemeClient*) override;
virtual void paintTrackBackground(GraphicsContext*, ScrollbarThemeClient*, const IntRect&) override;
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 void paintTickmarks(GraphicsContext*, ScrollbarThemeClient*, const IntRect&) override;
virtual IntRect constrainTrackRectToTrackPieces(ScrollbarThemeClient*, const IntRect&) override;
};
} // namespace blink
#endif // RenderScrollbarTheme_h
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