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1 // Copyright (c) 2010 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 APP_WIN_SCOPED_COM_INITIALIZER_H_ | 5 #ifndef BASE_WIN_SCOPED_COM_INITIALIZER_H_ |
6 #define APP_WIN_SCOPED_COM_INITIALIZER_H_ | 6 #define BASE_WIN_SCOPED_COM_INITIALIZER_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 #include "build/build_config.h" | 10 #include "build/build_config.h" |
11 | 11 |
12 #if defined(OS_WIN) | 12 #if defined(OS_WIN) |
13 | 13 |
14 #include <objbase.h> | 14 #include <objbase.h> |
15 | 15 |
16 namespace app { | 16 namespace base { |
17 namespace win { | 17 namespace win { |
18 | 18 |
19 // Initializes COM in the constructor (STA), and uninitializes COM in the | 19 // Initializes COM in the constructor (STA), and uninitializes COM in the |
20 // destructor. | 20 // destructor. |
21 class ScopedCOMInitializer { | 21 class ScopedCOMInitializer { |
22 public: | 22 public: |
23 ScopedCOMInitializer() : hr_(CoInitialize(NULL)) { | 23 ScopedCOMInitializer() : hr_(CoInitialize(NULL)) { |
24 } | 24 } |
25 | 25 |
26 ScopedCOMInitializer::~ScopedCOMInitializer() { | 26 ScopedCOMInitializer::~ScopedCOMInitializer() { |
27 if (SUCCEEDED(hr_)) | 27 if (SUCCEEDED(hr_)) |
28 CoUninitialize(); | 28 CoUninitialize(); |
29 } | 29 } |
30 | 30 |
31 private: | 31 private: |
32 HRESULT hr_; | 32 HRESULT hr_; |
33 | 33 |
34 DISALLOW_COPY_AND_ASSIGN(ScopedCOMInitializer); | 34 DISALLOW_COPY_AND_ASSIGN(ScopedCOMInitializer); |
35 }; | 35 }; |
36 | 36 |
37 } // namespace win | 37 } // namespace win |
38 } // namespace app | 38 } // namespace base |
39 | 39 |
40 #else | 40 #else |
41 | 41 |
42 namespace app { | 42 namespace base { |
43 namespace win { | 43 namespace win { |
44 | 44 |
45 // Do-nothing class for other platforms. | 45 // Do-nothing class for other platforms. |
46 class ScopedCOMInitializer { | 46 class ScopedCOMInitializer { |
47 public: | 47 public: |
48 ScopedCOMInitializer() {} | 48 ScopedCOMInitializer() {} |
49 ~ScopedCOMInitializer() {} | 49 ~ScopedCOMInitializer() {} |
50 | 50 |
51 private: | 51 private: |
52 DISALLOW_COPY_AND_ASSIGN(ScopedCOMInitializer); | 52 DISALLOW_COPY_AND_ASSIGN(ScopedCOMInitializer); |
53 }; | 53 }; |
54 | 54 |
55 } // namespace win | 55 } // namespace win |
56 } // namespace app | 56 } // namespace base |
57 | 57 |
58 #endif | 58 #endif |
59 | 59 |
60 #endif // APP_WIN_SCOPED_COM_INITIALIZER_H_ | 60 #endif // BASE_WIN_SCOPED_COM_INITIALIZER_H_ |
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