GPU workaround to simulate Out of Memory errors with large textures
[chromium-blink-merge.git] / cc / blink / scrollbar_impl.h
blobfa5f0428973c8973308f385660fa8cb6bbb8ff34
1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CC_BLINK_SCROLLBAR_IMPL_H_
6 #define CC_BLINK_SCROLLBAR_IMPL_H_
8 #include "base/basictypes.h"
9 #include "base/memory/scoped_ptr.h"
10 #include "cc/input/scrollbar.h"
11 #include "third_party/WebKit/public/platform/WebScrollbarThemePainter.h"
13 namespace blink {
14 class WebScrollbar;
15 class WebScrollbarThemeGeometry;
18 namespace cc_blink {
20 class ScrollbarImpl : public cc::Scrollbar {
21 public:
22 ScrollbarImpl(scoped_ptr<blink::WebScrollbar> scrollbar,
23 blink::WebScrollbarThemePainter painter,
24 scoped_ptr<blink::WebScrollbarThemeGeometry> geometry);
25 ~ScrollbarImpl() override;
27 // cc::Scrollbar implementation.
28 cc::ScrollbarOrientation Orientation() const override;
29 bool IsLeftSideVerticalScrollbar() const override;
30 bool HasThumb() const override;
31 bool IsOverlay() const override;
32 gfx::Point Location() const override;
33 int ThumbThickness() const override;
34 int ThumbLength() const override;
35 gfx::Rect TrackRect() const override;
36 void PaintPart(SkCanvas* canvas,
37 cc::ScrollbarPart part,
38 const gfx::Rect& content_rect) override;
40 private:
41 scoped_ptr<blink::WebScrollbar> scrollbar_;
42 blink::WebScrollbarThemePainter painter_;
43 scoped_ptr<blink::WebScrollbarThemeGeometry> geometry_;
45 DISALLOW_COPY_AND_ASSIGN(ScrollbarImpl);
48 } // namespace cc_blink
50 #endif // CC_BLINK_SCROLLBAR_IMPL_H_