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// Copyright 2014 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 CC_BLINK_SCROLLBAR_IMPL_H_
#define CC_BLINK_SCROLLBAR_IMPL_H_
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "cc/input/scrollbar.h"
#include "third_party/WebKit/public/platform/WebScrollbarThemePainter.h"
namespace blink {
class WebScrollbar;
class WebScrollbarThemeGeometry;
}
namespace cc_blink {
class ScrollbarImpl : public cc::Scrollbar {
public:
ScrollbarImpl(scoped_ptr<blink::WebScrollbar> scrollbar,
blink::WebScrollbarThemePainter painter,
scoped_ptr<blink::WebScrollbarThemeGeometry> geometry);
~ScrollbarImpl() override;
// cc::Scrollbar implementation.
cc::ScrollbarOrientation Orientation() const override;
bool IsLeftSideVerticalScrollbar() const override;
bool HasThumb() const override;
bool IsOverlay() const override;
gfx::Point Location() const override;
int ThumbThickness() const override;
int ThumbLength() const override;
gfx::Rect TrackRect() const override;
float ThumbOpacity() const override;
bool NeedsPaintPart(cc::ScrollbarPart part) const override;
void PaintPart(SkCanvas* canvas,
cc::ScrollbarPart part,
const gfx::Rect& content_rect) override;
private:
scoped_ptr<blink::WebScrollbar> scrollbar_;
blink::WebScrollbarThemePainter painter_;
scoped_ptr<blink::WebScrollbarThemeGeometry> geometry_;
DISALLOW_COPY_AND_ASSIGN(ScrollbarImpl);
};
} // namespace cc_blink
#endif // CC_BLINK_SCROLLBAR_IMPL_H_
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