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/*
* Copyright (C) 2012 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 INC. 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 INC. 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 WebPluginScrollbarImpl_h
#define WebPluginScrollbarImpl_h
#include "platform/heap/Handle.h"
#include "public/web/WebPluginScrollbar.h"
#include "wtf/RefPtr.h"
#include "wtf/Vector.h"
namespace blink {
class IntPoint;
class IntRect;
class Scrollbar;
class ScrollbarGroup;
class WebPluginScrollbarImpl final : public WebPluginScrollbar {
public:
WebPluginScrollbarImpl(Orientation, ScrollbarGroup*, WebPluginScrollbarClient*);
virtual ~WebPluginScrollbarImpl();
void setScrollOffset(int);
void invalidateScrollbarRect(const IntRect&);
// FIXME: Combine this with the other getTickmarks method
void getTickmarks(Vector<IntRect>&) const;
IntPoint convertFromContainingViewToScrollbar(const IntPoint& parentPoint) const;
void scrollbarStyleChanged();
int scrollOffset() { return m_scrollOffset; }
Scrollbar* scrollbar() { return m_scrollbar.get(); }
// WebScrollbar methods
virtual bool isOverlay() const override;
virtual int value() const override;
virtual WebPoint location() const override;
virtual WebSize size() const override;
virtual bool enabled() const override;
virtual int maximum() const override;
virtual int totalSize() const override;
virtual bool isScrollableAreaActive() const override;
virtual void getTickmarks(WebVector<WebRect>& tickmarks) const override;
virtual WebScrollbar::ScrollbarControlSize controlSize() const override;
virtual WebScrollbar::ScrollbarPart pressedPart() const override;
virtual WebScrollbar::ScrollbarPart hoveredPart() const override;
virtual WebScrollbar::ScrollbarOverlayStyle scrollbarOverlayStyle() const override;
virtual WebScrollbar::Orientation orientation() const override;
virtual bool isLeftSideVerticalScrollbar() const override;
virtual bool isCustomScrollbar() const override;
// WebPluginScrollbar methods
virtual void setLocation(const WebRect&) override;
virtual void setValue(int position) override;
virtual void setDocumentSize(int) override;
virtual void scroll(ScrollDirection, ScrollGranularity, float multiplier) override;
virtual void paint(WebCanvas*, const WebRect&) override;
virtual bool handleInputEvent(const WebInputEvent&) override;
virtual bool isAlphaLocked() const override;
virtual void setIsAlphaLocked(bool) override;
virtual float elasticOverscroll() const override;
virtual void setElasticOverscroll(float) override;
private:
bool onMouseDown(const WebInputEvent&);
bool onMouseUp(const WebInputEvent&);
bool onMouseMove(const WebInputEvent&);
bool onMouseLeave(const WebInputEvent&);
bool onMouseWheel(const WebInputEvent&);
bool onKeyDown(const WebInputEvent&);
ScrollbarGroup* m_group;
WebPluginScrollbarClient* m_client;
int m_scrollOffset;
RefPtrWillBePersistent<Scrollbar> m_scrollbar;
};
} // namespace blink
#endif
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