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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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_REMOTE_INPUT_METHOD_WIN_H_ | 5 #ifndef UI_BASE_IME_REMOTE_INPUT_METHOD_WIN_H_ |
6 #define UI_BASE_IME_REMOTE_INPUT_METHOD_WIN_H_ | 6 #define UI_BASE_IME_REMOTE_INPUT_METHOD_WIN_H_ |
7 | 7 |
8 #include <Windows.h> | 8 #include <Windows.h> |
9 | 9 |
10 #include <string> | 10 #include <string> |
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26 // works as a proxy of an IME handler running in the metro_driver process. | 26 // works as a proxy of an IME handler running in the metro_driver process. |
27 // RemoteInputMethodWin works as follows. | 27 // RemoteInputMethodWin works as follows. |
28 // - Any action to RemoteInputMethodPrivateWin should be delegated to the | 28 // - Any action to RemoteInputMethodPrivateWin should be delegated to the |
29 // metro_driver process via RemoteInputMethodDelegateWin. | 29 // metro_driver process via RemoteInputMethodDelegateWin. |
30 // - Data retrieval from RemoteInputMethodPrivateWin is implemented with | 30 // - Data retrieval from RemoteInputMethodPrivateWin is implemented with |
31 // data cache. Whenever the IME state in the metro_driver process is changed, | 31 // data cache. Whenever the IME state in the metro_driver process is changed, |
32 // RemoteRootWindowHostWin, which receives IPCs from metro_driver process, | 32 // RemoteRootWindowHostWin, which receives IPCs from metro_driver process, |
33 // will call RemoteInputMethodPrivateWin::OnCandidatePopupChanged and/or | 33 // will call RemoteInputMethodPrivateWin::OnCandidatePopupChanged and/or |
34 // RemoteInputMethodPrivateWin::OnInputSourceChanged accordingly so that | 34 // RemoteInputMethodPrivateWin::OnInputSourceChanged accordingly so that |
35 // the state cache should be updated. | 35 // the state cache should be updated. |
36 // Caveats: RemoteInputMethodWin does not support InputMethodObserver yet. | |
37 | 36 |
38 // Returns the public interface of RemoteInputMethodWin. | 37 // Returns the public interface of RemoteInputMethodWin. |
39 // Caveats: Currently only one instance of RemoteInputMethodWin is able to run | 38 // Caveats: Currently only one instance of RemoteInputMethodWin is able to run |
40 // at the same time. | 39 // at the same time. |
41 UI_EXPORT scoped_ptr<InputMethod> CreateRemoteInputMethodWin( | 40 UI_EXPORT scoped_ptr<InputMethod> CreateRemoteInputMethodWin( |
42 internal::InputMethodDelegate* delegate); | 41 internal::InputMethodDelegate* delegate); |
43 | 42 |
44 // Private interface of RemoteInputMethodWin. | 43 // Private interface of RemoteInputMethodWin. |
45 class UI_EXPORT RemoteInputMethodPrivateWin { | 44 class UI_EXPORT RemoteInputMethodPrivateWin { |
46 public: | 45 public: |
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69 // values based on remote IME activities in the metro_driver process. | 68 // values based on remote IME activities in the metro_driver process. |
70 virtual void OnInputSourceChanged(LANGID langid, bool is_ime) = 0; | 69 virtual void OnInputSourceChanged(LANGID langid, bool is_ime) = 0; |
71 | 70 |
72 private: | 71 private: |
73 DISALLOW_COPY_AND_ASSIGN(RemoteInputMethodPrivateWin); | 72 DISALLOW_COPY_AND_ASSIGN(RemoteInputMethodPrivateWin); |
74 }; | 73 }; |
75 | 74 |
76 } // namespace ui | 75 } // namespace ui |
77 | 76 |
78 #endif // UI_BASE_IME_REMOTE_INPUT_METHOD_WIN_H_ | 77 #endif // UI_BASE_IME_REMOTE_INPUT_METHOD_WIN_H_ |
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