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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 UI_BASE_VIEW_PROP_H_ | 5 #ifndef UI_BASE_VIEW_PROP_H_ |
6 #define UI_BASE_VIEW_PROP_H_ | 6 #define UI_BASE_VIEW_PROP_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
11 #include "ui/gfx/native_widget_types.h" | 11 #include "ui/gfx/native_widget_types.h" |
| 12 #include "ui/ui_api.h" |
12 | 13 |
13 namespace ui { | 14 namespace ui { |
14 | 15 |
15 // ViewProp maintains a key/value pair for a particular view. ViewProp is | 16 // ViewProp maintains a key/value pair for a particular view. ViewProp is |
16 // designed as a replacement for the Win32's SetProp, but does not make use of | 17 // designed as a replacement for the Win32's SetProp, but does not make use of |
17 // window manager memory. ViewProp shares similar semantics as SetProp, the | 18 // window manager memory. ViewProp shares similar semantics as SetProp, the |
18 // value for a particular view/key pair comes from the last ViewProp created. | 19 // value for a particular view/key pair comes from the last ViewProp created. |
19 class ViewProp { | 20 class UI_API ViewProp { |
20 public: | 21 public: |
21 // Associates data with a view/key pair. If a ViewProp has already been | 22 // Associates data with a view/key pair. If a ViewProp has already been |
22 // created for the specified pair |data| replaces the current value. | 23 // created for the specified pair |data| replaces the current value. |
23 // | 24 // |
24 // ViewProp does *not* make a copy of the char*, the pointer is used for | 25 // ViewProp does *not* make a copy of the char*, the pointer is used for |
25 // sorting. | 26 // sorting. |
26 ViewProp(gfx::NativeView view, const char* key, void* data); | 27 ViewProp(gfx::NativeView view, const char* key, void* data); |
27 ~ViewProp(); | 28 ~ViewProp(); |
28 | 29 |
29 // Returns the value associated with the view/key pair, or NULL if there is | 30 // Returns the value associated with the view/key pair, or NULL if there is |
30 // none. | 31 // none. |
31 static void* GetValue(gfx::NativeView view, const char* key); | 32 static void* GetValue(gfx::NativeView view, const char* key); |
32 | 33 |
33 // Returns the key. | 34 // Returns the key. |
34 const char* Key() const; | 35 const char* Key() const; |
35 | 36 |
36 private: | 37 private: |
37 class Data; | 38 class Data; |
38 | 39 |
39 // Stores the actual data. | 40 // Stores the actual data. |
40 scoped_refptr<Data> data_; | 41 scoped_refptr<Data> data_; |
41 | 42 |
42 DISALLOW_COPY_AND_ASSIGN(ViewProp); | 43 DISALLOW_COPY_AND_ASSIGN(ViewProp); |
43 }; | 44 }; |
44 | 45 |
45 } // namespace ui | 46 } // namespace ui |
46 | 47 |
47 #endif // UI_BASE_VIEW_PROP_H_ | 48 #endif // UI_BASE_VIEW_PROP_H_ |
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