| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_PERSISTENCE_H_ |
| #define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_PERSISTENCE_H_ |
| |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "chromeos/ime/input_method_manager.h" |
| |
| namespace chromeos { |
| namespace input_method { |
| |
| // Observes input method and session state changes, and persists input method |
| // changes to the BrowserProcess local state or to the user preferences, |
| // according to the session state. |
| class InputMethodPersistence : public InputMethodManager::Observer { |
| public: |
| // Constructs an instance that will observe input method changes on the |
| // provided InputMethodManager. The client is responsible for calling |
| // OnSessionStateChange whenever the InputMethodManager::State changes. |
| explicit InputMethodPersistence(InputMethodManager* input_method_manager); |
| virtual ~InputMethodPersistence(); |
| |
| // Receives notification of session state changes. |
| void OnSessionStateChange(InputMethodManager::State new_state); |
| |
| // InputMethodManager::Observer overrides. |
| virtual void InputMethodChanged(InputMethodManager* manager, |
| bool show_message) OVERRIDE; |
| virtual void InputMethodPropertyChanged(InputMethodManager* manager) OVERRIDE; |
| |
| private: |
| InputMethodManager* input_method_manager_; |
| InputMethodManager::State state_; |
| DISALLOW_COPY_AND_ASSIGN(InputMethodPersistence); |
| }; |
| |
| } // namespace input_method |
| } // namespace chromeos |
| |
| #endif // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_PERSISTENCE_H_ |