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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_IBUS_CONTROLLER_H_
#define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_IBUS_CONTROLLER_H_
#include <string>
#include <utility>
#include <vector>
namespace chromeos {
namespace input_method {
struct InputMethodConfigValue;
struct InputMethodProperty;
typedef std::vector<InputMethodProperty> InputMethodPropertyList;
// IBusController is used to interact with the system input method framework
// (which is currently IBus).
// TODO(nona): Split this class into IBusPropertyHandler and IBusConfigHandler.
// Note: IBusConfig will be deprecated once ibus-daemon is gone.
class IBusController {
public:
class Observer {
public:
virtual ~Observer() {}
virtual void PropertyChanged() = 0;
// TODO(yusukes): Add functions for IPC error handling.
};
// Creates an instance of the class.
static IBusController* Create();
virtual ~IBusController();
virtual void AddObserver(Observer* observer) = 0;
virtual void RemoveObserver(Observer* observer) = 0;
virtual void ClearProperties() = 0;
// Sets a configuration of an input method engine. Returns true if the
// configuration is successfully set. For example, when you set
// "engine/Mozc/history_learning_level", |section| should be "engine/Mozc",
// and |config_name| should be "history_learning_level".
virtual bool SetInputMethodConfig(const std::string& section,
const std::string& config_name,
const InputMethodConfigValue& value) = 0;
// Activates the input method property specified by the |key|. Returns true on
// success.
virtual bool ActivateInputMethodProperty(const std::string& key) = 0;
// Gets the latest input method property send from the system input method
// framework.
virtual const InputMethodPropertyList& GetCurrentProperties() const = 0;
};
} // namespace input_method
} // namespace chromeos
// TODO(yusukes,nona): This interface does not depend on IBus actually.
// Rename the file if needed.
#endif // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_IBUS_CONTROLLER_H_
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