1// Copyright (c) 2011 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CHROME_BROWSER_CHROMEOS_PREFERENCES_H_
6#define CHROME_BROWSER_CHROMEOS_PREFERENCES_H_
7#pragma once
8
9#include <string>
10#include <vector>
11
12#include "chrome/browser/chromeos/language_preferences.h"
13#include "chrome/browser/prefs/pref_member.h"
14#include "content/common/notification_observer.h"
15
16class PrefService;
17
18namespace chromeos {
19
20// The Preferences class handles Chrome OS preferences. When the class
21// is first initialized, it will initialize the OS settings to what's stored in
22// the preferences. These include touchpad settings, etc.
23// When the preferences change, we change the settings to reflect the new value.
24class Preferences : public NotificationObserver {
25 public:
26  Preferences();
27  virtual ~Preferences();
28
29  // This method will register the prefs associated with Chrome OS settings.
30  static void RegisterUserPrefs(PrefService* prefs);
31
32  // This method will initialize Chrome OS settings to values in user prefs.
33  void Init(PrefService* prefs);
34
35  // Overridden from NotificationObserver:
36  virtual void Observe(NotificationType type,
37                       const NotificationSource& source,
38                       const NotificationDetails& details);
39
40 private:
41  // This will set the OS settings when the preference changes.
42  // If this method is called with NULL, it will set all OS settings to what's
43  // stored in the preferences.
44  void NotifyPrefChanged(const std::string* pref_name);
45
46  // Writes boolean |value| to the input method (IBus) configuration daemon.
47  // |section| (e.g. "general") and |name| (e.g. "use_global_engine") should
48  // not be NULL.
49  void SetLanguageConfigBoolean(const char* section,
50                                const char* name,
51                                bool value);
52
53  // Writes integer |value| to the input method (IBus) configuration daemon.
54  // |section| and |name| should not be NULL.
55  void SetLanguageConfigInteger(const char* section,
56                                const char* name,
57                                int value);
58
59  // Writes string |value| to the input method (IBus) configuration daemon.
60  // |section| and |name| should not be NULL.
61  void SetLanguageConfigString(const char* section,
62                               const char* name,
63                               const std::string& value);
64
65  // Writes a string list to the input method (IBus) configuration daemon.
66  // |section| and |name| should not be NULL.
67  void SetLanguageConfigStringList(const char* section,
68                                   const char* name,
69                                   const std::vector<std::string>& values);
70
71  // A variant of SetLanguageConfigStringList. You can pass comma-separated
72  // values. Examples of |value|: "", "Control+space,Hiragana"
73  void SetLanguageConfigStringListAsCSV(const char* section,
74                                        const char* name,
75                                        const std::string& value);
76
77  // Updates the mapping of modifier keys following current prefs values.
78  void UpdateModifierKeyMapping();
79
80  // Updates the initial key repeat delay and key repeat interval following
81  // current prefs values. We set the delay and interval at once since an
82  // underlying XKB API requires it.
83  void UpdateAutoRepeatRate();
84
85  BooleanPrefMember tap_to_click_enabled_;
86  BooleanPrefMember vert_edge_scroll_enabled_;
87  BooleanPrefMember accessibility_enabled_;
88  IntegerPrefMember speed_factor_;
89  IntegerPrefMember sensitivity_;
90  BooleanPrefMember use_24hour_clock_;
91
92  // Input method preferences.
93  StringPrefMember language_hotkey_next_engine_in_menu_;
94  StringPrefMember language_hotkey_previous_engine_;
95  StringPrefMember language_preferred_languages_;
96  StringPrefMember language_preload_engines_;
97  BooleanPrefMember language_chewing_boolean_prefs_[
98      language_prefs::kNumChewingBooleanPrefs];
99  StringPrefMember language_chewing_multiple_choice_prefs_[
100      language_prefs::kNumChewingMultipleChoicePrefs];
101  IntegerPrefMember language_chewing_hsu_sel_key_type_;
102  IntegerPrefMember language_chewing_integer_prefs_[
103      language_prefs::kNumChewingIntegerPrefs];
104  StringPrefMember language_hangul_keyboard_;
105  StringPrefMember language_hangul_hanja_keys_;
106  BooleanPrefMember language_pinyin_boolean_prefs_[
107      language_prefs::kNumPinyinBooleanPrefs];
108  IntegerPrefMember language_pinyin_int_prefs_[
109      language_prefs::kNumPinyinIntegerPrefs];
110  IntegerPrefMember language_pinyin_double_pinyin_schema_;
111  BooleanPrefMember language_mozc_boolean_prefs_[
112      language_prefs::kNumMozcBooleanPrefs];
113  StringPrefMember language_mozc_multiple_choice_prefs_[
114      language_prefs::kNumMozcMultipleChoicePrefs];
115  IntegerPrefMember language_mozc_integer_prefs_[
116      language_prefs::kNumMozcIntegerPrefs];
117  IntegerPrefMember language_xkb_remap_search_key_to_;
118  IntegerPrefMember language_xkb_remap_control_key_to_;
119  IntegerPrefMember language_xkb_remap_alt_key_to_;
120  BooleanPrefMember language_xkb_auto_repeat_enabled_;
121  IntegerPrefMember language_xkb_auto_repeat_delay_pref_;
122  IntegerPrefMember language_xkb_auto_repeat_interval_pref_;
123
124  BooleanPrefMember enable_screen_lock_;
125
126  DISALLOW_COPY_AND_ASSIGN(Preferences);
127};
128
129}  // namespace chromeos
130
131#endif  // CHROME_BROWSER_CHROMEOS_PREFERENCES_H_
132