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// 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 "ui/base/ime/chromeos/input_method_manager.h"
class PrefService;
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::UISessionState
// changes.
explicit InputMethodPersistence(InputMethodManager* input_method_manager);
virtual ~InputMethodPersistence();
// Receives notification of session state changes.
void OnSessionStateChange(InputMethodManager::UISessionState new_session);
// InputMethodManager::Observer overrides.
virtual void InputMethodChanged(InputMethodManager* manager,
bool show_message) override;
private:
InputMethodManager* input_method_manager_;
InputMethodManager::UISessionState ui_session_;
DISALLOW_COPY_AND_ASSIGN(InputMethodPersistence);
};
void SetUserLRUInputMethodPreferenceForTesting(const std::string& username,
const std::string& input_method,
PrefService* local_state);
} // namespace input_method
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_PERSISTENCE_H_
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