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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> |
11 | 11 |
12 #include "base/basictypes.h" | 12 #include "base/basictypes.h" |
13 #include "base/compiler_specific.h" | 13 #include "base/compiler_specific.h" |
14 #include "base/memory/scoped_ptr.h" | 14 #include "base/memory/scoped_ptr.h" |
15 #include "ui/base/ui_export.h" | 15 #include "ui/base/ui_export.h" |
| 16 #include "ui/gfx/native_widget_types.h" |
16 | 17 |
17 namespace ui { | 18 namespace ui { |
18 namespace internal { | 19 namespace internal { |
19 class InputMethodDelegate; | 20 class InputMethodDelegate; |
20 class RemoteInputMethodDelegateWin; | 21 class RemoteInputMethodDelegateWin; |
21 } // namespace internal | 22 } // namespace internal |
22 | 23 |
23 class InputMethod; | 24 class InputMethod; |
24 | 25 |
25 // RemoteInputMethodWin is a special implementation of ui::InputMethod that | 26 // RemoteInputMethodWin is a special implementation of ui::InputMethod that |
26 // works as a proxy of an IME handler running in the metro_driver process. | 27 // works as a proxy of an IME handler running in the metro_driver process. |
27 // RemoteInputMethodWin works as follows. | 28 // RemoteInputMethodWin works as follows. |
28 // - Any action to RemoteInputMethodPrivateWin should be delegated to the | 29 // - Any action to RemoteInputMethodPrivateWin should be delegated to the |
29 // metro_driver process via RemoteInputMethodDelegateWin. | 30 // metro_driver process via RemoteInputMethodDelegateWin. |
30 // - Data retrieval from RemoteInputMethodPrivateWin is implemented with | 31 // - Data retrieval from RemoteInputMethodPrivateWin is implemented with |
31 // data cache. Whenever the IME state in the metro_driver process is changed, | 32 // data cache. Whenever the IME state in the metro_driver process is changed, |
32 // RemoteRootWindowHostWin, which receives IPCs from metro_driver process, | 33 // RemoteRootWindowHostWin, which receives IPCs from metro_driver process, |
33 // will call RemoteInputMethodPrivateWin::OnCandidatePopupChanged and/or | 34 // will call RemoteInputMethodPrivateWin::OnCandidatePopupChanged and/or |
34 // RemoteInputMethodPrivateWin::OnInputSourceChanged accordingly so that | 35 // RemoteInputMethodPrivateWin::OnInputSourceChanged accordingly so that |
35 // the state cache should be updated. | 36 // the state cache should be updated. |
36 | 37 |
| 38 // Returns true if |widget| requires RemoteInputMethodWin. |
| 39 bool IsRemoteInputMethodWinRequired(gfx::AcceleratedWidget widget); |
| 40 |
37 // Returns the public interface of RemoteInputMethodWin. | 41 // Returns the public interface of RemoteInputMethodWin. |
38 // Caveats: Currently only one instance of RemoteInputMethodWin is able to run | 42 // Caveats: Currently only one instance of RemoteInputMethodWin is able to run |
39 // at the same time. | 43 // at the same time. |
40 UI_EXPORT scoped_ptr<InputMethod> CreateRemoteInputMethodWin( | 44 UI_EXPORT scoped_ptr<InputMethod> CreateRemoteInputMethodWin( |
41 internal::InputMethodDelegate* delegate); | 45 internal::InputMethodDelegate* delegate); |
42 | 46 |
43 // Private interface of RemoteInputMethodWin. | 47 // Private interface of RemoteInputMethodWin. |
44 class UI_EXPORT RemoteInputMethodPrivateWin { | 48 class UI_EXPORT RemoteInputMethodPrivateWin { |
45 public: | 49 public: |
46 RemoteInputMethodPrivateWin(); | 50 RemoteInputMethodPrivateWin(); |
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68 // values based on remote IME activities in the metro_driver process. | 72 // values based on remote IME activities in the metro_driver process. |
69 virtual void OnInputSourceChanged(LANGID langid, bool is_ime) = 0; | 73 virtual void OnInputSourceChanged(LANGID langid, bool is_ime) = 0; |
70 | 74 |
71 private: | 75 private: |
72 DISALLOW_COPY_AND_ASSIGN(RemoteInputMethodPrivateWin); | 76 DISALLOW_COPY_AND_ASSIGN(RemoteInputMethodPrivateWin); |
73 }; | 77 }; |
74 | 78 |
75 } // namespace ui | 79 } // namespace ui |
76 | 80 |
77 #endif // UI_BASE_IME_REMOTE_INPUT_METHOD_WIN_H_ | 81 #endif // UI_BASE_IME_REMOTE_INPUT_METHOD_WIN_H_ |
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