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// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CCScrollbarLayerImpl_h
#define CCScrollbarLayerImpl_h
#if USE(ACCELERATED_COMPOSITING)
#include "CCLayerImpl.h"
#include "CCScrollbarGeometryFixedThumb.h"
#include <public/WebRect.h>
#include <public/WebScrollbar.h>
#include <public/WebVector.h>
namespace cc {
class ScrollView;
class CCScrollbarLayerImpl : public CCLayerImpl {
public:
static PassOwnPtr<CCScrollbarLayerImpl> create(int id);
CCScrollbarGeometryFixedThumb* scrollbarGeometry() const { return m_geometry.get(); }
void setScrollbarGeometry(PassOwnPtr<CCScrollbarGeometryFixedThumb>);
void setScrollbarData(WebKit::WebScrollbar*);
void setBackTrackResourceId(CCResourceProvider::ResourceId id) { m_backTrackResourceId = id; }
void setForeTrackResourceId(CCResourceProvider::ResourceId id) { m_foreTrackResourceId = id; }
void setThumbResourceId(CCResourceProvider::ResourceId id) { m_thumbResourceId = id; }
float currentPos() const { return m_currentPos; }
void setCurrentPos(float currentPos) { m_currentPos = currentPos; }
int totalSize() const { return m_totalSize; }
void setTotalSize(int totalSize) { m_totalSize = totalSize; }
int maximum() const { return m_maximum; }
void setMaximum(int maximum) { m_maximum = maximum; }
WebKit::WebScrollbar::Orientation orientation() const { return m_orientation; }
virtual void appendQuads(CCQuadSink&, CCAppendQuadsData&) OVERRIDE;
virtual void didLoseContext() OVERRIDE;
protected:
explicit CCScrollbarLayerImpl(int id);
private:
// nested class only to avoid namespace problem
class CCScrollbar : public WebKit::WebScrollbar {
public:
explicit CCScrollbar(CCScrollbarLayerImpl* owner) : m_owner(owner) { }
// WebScrollbar implementation
virtual bool isOverlay() const;
virtual int value() const;
virtual WebKit::WebPoint location() const;
virtual WebKit::WebSize size() const;
virtual bool enabled() const;
virtual int maximum() const;
virtual int totalSize() const;
virtual bool isScrollViewScrollbar() const;
virtual bool isScrollableAreaActive() const;
virtual void getTickmarks(WebKit::WebVector<WebKit::WebRect>& tickmarks) const;
virtual WebScrollbar::ScrollbarControlSize controlSize() const;
virtual WebScrollbar::ScrollbarPart pressedPart() const;
virtual WebScrollbar::ScrollbarPart hoveredPart() const;
virtual WebScrollbar::ScrollbarOverlayStyle scrollbarOverlayStyle() const;
virtual WebScrollbar::Orientation orientation() const;
virtual bool isCustomScrollbar() const;
private:
CCScrollbarLayerImpl* m_owner;
};
CCScrollbar m_scrollbar;
CCResourceProvider::ResourceId m_backTrackResourceId;
CCResourceProvider::ResourceId m_foreTrackResourceId;
CCResourceProvider::ResourceId m_thumbResourceId;
OwnPtr<CCScrollbarGeometryFixedThumb> m_geometry;
// Data to implement CCScrollbar
WebKit::WebScrollbar::ScrollbarOverlayStyle m_scrollbarOverlayStyle;
WebKit::WebVector<WebKit::WebRect> m_tickmarks;
WebKit::WebScrollbar::Orientation m_orientation;
WebKit::WebScrollbar::ScrollbarControlSize m_controlSize;
WebKit::WebScrollbar::ScrollbarPart m_pressedPart;
WebKit::WebScrollbar::ScrollbarPart m_hoveredPart;
float m_currentPos;
int m_totalSize;
int m_maximum;
bool m_isScrollableAreaActive;
bool m_isScrollViewScrollbar;
bool m_enabled;
bool m_isCustomScrollbar;
bool m_isOverlayScrollbar;
};
}
#endif // USE(ACCELERATED_COMPOSITING)
#endif
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