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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CC_SCROLLBAR_GEOMETRY_FIXED_THUMB_H_ | 5 #ifndef CC_LAYERS_SCROLLBAR_GEOMETRY_FIXED_THUMB_H_ |
6 #define CC_SCROLLBAR_GEOMETRY_FIXED_THUMB_H_ | 6 #define CC_LAYERS_SCROLLBAR_GEOMETRY_FIXED_THUMB_H_ |
7 | 7 |
8 #include "cc/base/cc_export.h" | 8 #include "cc/base/cc_export.h" |
9 #include "cc/scrollbar_geometry_stub.h" | 9 #include "cc/layers/scrollbar_geometry_stub.h" |
10 #include "ui/gfx/size.h" | 10 #include "ui/gfx/size.h" |
11 | 11 |
12 namespace cc { | 12 namespace cc { |
13 | 13 |
14 // This scrollbar geometry class behaves exactly like a normal geometry except | 14 // This scrollbar geometry class behaves exactly like a normal geometry except |
15 // it always returns a fixed thumb length. This allows a page to zoom (changing | 15 // it always returns a fixed thumb length. This allows a page to zoom (changing |
16 // the total size of the scrollable area, changing the thumb length) while not | 16 // the total size of the scrollable area, changing the thumb length) while not |
17 // requiring the thumb resource to be repainted. | 17 // requiring the thumb resource to be repainted. |
18 class CC_EXPORT ScrollbarGeometryFixedThumb : public ScrollbarGeometryStub { | 18 class CC_EXPORT ScrollbarGeometryFixedThumb : public ScrollbarGeometryStub { |
19 public: | 19 public: |
20 static scoped_ptr<ScrollbarGeometryFixedThumb> create(scoped_ptr<WebKit::Web
ScrollbarThemeGeometry>); | 20 static scoped_ptr<ScrollbarGeometryFixedThumb> create(scoped_ptr<WebKit::Web
ScrollbarThemeGeometry>); |
21 virtual ~ScrollbarGeometryFixedThumb(); | 21 virtual ~ScrollbarGeometryFixedThumb(); |
22 | 22 |
23 void setThumbSize(gfx::Size size) { m_thumbSize = size; } | 23 void setThumbSize(gfx::Size size) { m_thumbSize = size; } |
24 | 24 |
25 // WebScrollbarThemeGeometry interface | 25 // WebScrollbarThemeGeometry interface |
26 virtual WebKit::WebScrollbarThemeGeometry* clone() const OVERRIDE; | 26 virtual WebKit::WebScrollbarThemeGeometry* clone() const OVERRIDE; |
27 virtual int thumbLength(WebKit::WebScrollbar*) OVERRIDE; | 27 virtual int thumbLength(WebKit::WebScrollbar*) OVERRIDE; |
28 virtual int thumbPosition(WebKit::WebScrollbar*) OVERRIDE; | 28 virtual int thumbPosition(WebKit::WebScrollbar*) OVERRIDE; |
29 virtual void splitTrack(WebKit::WebScrollbar*, const WebKit::WebRect& track,
WebKit::WebRect& startTrack, WebKit::WebRect& thumb, WebKit::WebRect& endTrack)
OVERRIDE; | 29 virtual void splitTrack(WebKit::WebScrollbar*, const WebKit::WebRect& track,
WebKit::WebRect& startTrack, WebKit::WebRect& thumb, WebKit::WebRect& endTrack)
OVERRIDE; |
30 | 30 |
31 private: | 31 private: |
32 explicit ScrollbarGeometryFixedThumb(scoped_ptr<WebKit::WebScrollbarThemeGeo
metry>); | 32 explicit ScrollbarGeometryFixedThumb(scoped_ptr<WebKit::WebScrollbarThemeGeo
metry>); |
33 | 33 |
34 gfx::Size m_thumbSize; | 34 gfx::Size m_thumbSize; |
35 }; | 35 }; |
36 | 36 |
37 } | 37 } |
38 | 38 |
39 #endif // CC_SCROLLBAR_GEOMETRY_FIXED_THUMB_H_ | 39 #endif // CC_LAYERS_SCROLLBAR_GEOMETRY_FIXED_THUMB_H_ |
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