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Diffstat (limited to 'src/3rdparty/webkit/WebCore/rendering/RenderScrollbar.h')
-rw-r--r-- | src/3rdparty/webkit/WebCore/rendering/RenderScrollbar.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/rendering/RenderScrollbar.h b/src/3rdparty/webkit/WebCore/rendering/RenderScrollbar.h new file mode 100644 index 0000000..ad97001 --- /dev/null +++ b/src/3rdparty/webkit/WebCore/rendering/RenderScrollbar.h @@ -0,0 +1,83 @@ +/* + * 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 RenderScrollbar_h +#define RenderScrollbar_h + +#include "Scrollbar.h" +#include "RenderStyle.h" +#include <wtf/HashMap.h> + +namespace WebCore { + +class RenderObject; +class RenderScrollbarPart; +class RenderStyle; + +class RenderScrollbar : public Scrollbar { +protected: + RenderScrollbar(ScrollbarClient*, ScrollbarOrientation, RenderObject*); + +public: + friend class Scrollbar; + static PassRefPtr<Scrollbar> createCustomScrollbar(ScrollbarClient*, ScrollbarOrientation, RenderObject*); + virtual ~RenderScrollbar(); + + virtual void setParent(ScrollView*); + virtual void setEnabled(bool); + + virtual void paint(GraphicsContext*, const IntRect& damageRect); + + virtual void setHoveredPart(ScrollbarPart); + virtual void setPressedPart(ScrollbarPart); + + void updateScrollbarParts(bool destroy = false); + + static ScrollbarPart partForStyleResolve(); + static RenderScrollbar* scrollbarForStyleResolve(); + + virtual void styleChanged(); + + RenderObject* owningRenderer() const { return m_owner; } + + void paintPart(GraphicsContext*, ScrollbarPart, const IntRect&); + + IntRect buttonRect(ScrollbarPart); + IntRect trackRect(int startLength, int endLength); + IntRect trackPieceRectWithMargins(ScrollbarPart, const IntRect&); + + int minimumThumbLength(); + +private: + PassRefPtr<RenderStyle> getScrollbarPseudoStyle(ScrollbarPart, RenderStyle::PseudoId); + void updateScrollbarPart(ScrollbarPart, bool destroy = false); + + RenderObject* m_owner; + HashMap<unsigned, RenderScrollbarPart*> m_parts; +}; + +} // namespace WebCore + +#endif // RenderScrollbar_h |