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// Copyright (c) 2009 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_PREFERENCES_H_
#define CHROME_BROWSER_CHROMEOS_PREFERENCES_H_
#include <string>
#include "chrome/browser/pref_member.h"
#include "chrome/common/notification_observer.h"
class PrefService;
namespace chromeos {
// The Preferences class handles Chrome OS preferences. When the class
// is first initialized, it will initialize the OS settings to what's stored in
// the preferences. These include timezones, touchpad settings, etc.
// When the preferences change, we change the settings to reflect the new value.
class Preferences : public NotificationObserver {
public:
Preferences() {}
virtual ~Preferences() {}
// This method will register the prefs associated with Chrome OS settings.
static void RegisterUserPrefs(PrefService* prefs);
// This method will initialize Chrome OS settings to values in user prefs.
void Init(PrefService* prefs);
// Overridden from NotificationObserver:
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
protected:
// This will set the OS settings when the preference changes.
// If this method is called with NULL, it will set all OS settings to what's
// stored in the preferences.
virtual void NotifyPrefChanged(const std::wstring* pref_name);
private:
void SetTimeZone(const std::wstring& id);
// Writes boolean |value| to the IME (IBus) configuration daemon. |section|
// (e.g. "general") and |name| (e.g. "use_global_engine") should not be NULL.
void SetLanguageConfigBoolean(const char* section,
const char* name,
bool value);
// Writes stromg |value| to the IME (IBus) configuration daemon. |section|
// and |name| should not be NULL.
void SetLanguageConfigString(const char* section,
const char* name,
const std::wstring& value);
// Activates IMEs that are on |value|, which is a comma separated list of IME
// IDs (e.g. "xkb:en,pinyin,hangul,m17n:ar:kbd"), and deactivates all other
// IMEs that are currently active. |value| could be empty. In that case, this
// function deactivates all active IMEs.
void SetPreloadEngines(const std::wstring& value);
StringPrefMember timezone_;
BooleanPrefMember tap_to_click_enabled_;
BooleanPrefMember vert_edge_scroll_enabled_;
IntegerPrefMember speed_factor_;
IntegerPrefMember sensitivity_;
// Language (IME) preferences.
BooleanPrefMember language_use_global_engine_;
StringPrefMember language_preload_engines_;
StringPrefMember language_hangul_keyboard_;
DISALLOW_COPY_AND_ASSIGN(Preferences);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_PREFERENCES_H_
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