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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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 UI_BASE_IME_WIN_TSF_BRIDGE_H_ | 5 #ifndef UI_BASE_IME_WIN_TSF_BRIDGE_H_ |
6 #define UI_BASE_IME_WIN_TSF_BRIDGE_H_ | 6 #define UI_BASE_IME_WIN_TSF_BRIDGE_H_ |
7 | 7 |
8 #include <Windows.h> | |
9 #include <msctf.h> | 8 #include <msctf.h> |
| 9 #include <windows.h> |
10 | 10 |
11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
12 #include "base/win/scoped_comptr.h" | 12 #include "base/win/scoped_comptr.h" |
13 #include "ui/base/ui_export.h" | 13 #include "ui/base/ui_base_export.h" |
14 | 14 |
15 namespace ui { | 15 namespace ui { |
16 class TextInputClient; | 16 class TextInputClient; |
17 | 17 |
18 // TSFBridge provides high level IME related operations on top of Text Services | 18 // TSFBridge provides high level IME related operations on top of Text Services |
19 // Framework (TSF). TSFBridge is managed by TLS because TSF related stuff is | 19 // Framework (TSF). TSFBridge is managed by TLS because TSF related stuff is |
20 // associated with each thread and not allowed to access across thread boundary. | 20 // associated with each thread and not allowed to access across thread boundary. |
21 // To be consistent with IMM32 behavior, TSFBridge is shared in the same thread. | 21 // To be consistent with IMM32 behavior, TSFBridge is shared in the same thread. |
22 // TSFBridge is used by the web content text inputting field, for example | 22 // TSFBridge is used by the web content text inputting field, for example |
23 // DisableIME() should be called if a password field is focused. | 23 // DisableIME() should be called if a password field is focused. |
24 // | 24 // |
25 // TSFBridge also manages connectivity between TSFTextStore which is the backend | 25 // TSFBridge also manages connectivity between TSFTextStore which is the backend |
26 // of text inputting and current focused TextInputClient. | 26 // of text inputting and current focused TextInputClient. |
27 // | 27 // |
28 // All methods in this class must be used in UI thread. | 28 // All methods in this class must be used in UI thread. |
29 class UI_EXPORT TSFBridge { | 29 class UI_BASE_EXPORT TSFBridge { |
30 public: | 30 public: |
31 virtual ~TSFBridge(); | 31 virtual ~TSFBridge(); |
32 | 32 |
33 // Returns the thread local TSFBridge instance. Initialize() must be called | 33 // Returns the thread local TSFBridge instance. Initialize() must be called |
34 // first. Do not cache this pointer and use it after TSFBridge Shutdown(). | 34 // first. Do not cache this pointer and use it after TSFBridge Shutdown(). |
35 static TSFBridge* GetInstance(); | 35 static TSFBridge* GetInstance(); |
36 | 36 |
37 // Sets the thread local instance. Must be called before any calls to | 37 // Sets the thread local instance. Must be called before any calls to |
38 // GetInstance(). | 38 // GetInstance(). |
39 static bool Initialize(); | 39 static bool Initialize(); |
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88 private: | 88 private: |
89 // Releases TLS instance. | 89 // Releases TLS instance. |
90 static void Finalize(void* data); | 90 static void Finalize(void* data); |
91 | 91 |
92 DISALLOW_COPY_AND_ASSIGN(TSFBridge); | 92 DISALLOW_COPY_AND_ASSIGN(TSFBridge); |
93 }; | 93 }; |
94 | 94 |
95 } // namespace ui | 95 } // namespace ui |
96 | 96 |
97 #endif // UI_BASE_IME_WIN_TSF_BRIDGE_H_ | 97 #endif // UI_BASE_IME_WIN_TSF_BRIDGE_H_ |
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