preferences.h revision 513209b27ff55e2841eac0e4120199c23acce758 
1// Copyright (c) 2009 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 "chrome/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
91  // Input method preferences.
92  StringPrefMember language_hotkey_next_engine_in_menu_;
93  StringPrefMember language_hotkey_previous_engine_;
94  StringPrefMember language_preferred_languages_;
95  StringPrefMember language_preload_engines_;
96  BooleanPrefMember language_chewing_boolean_prefs_[
97      language_prefs::kNumChewingBooleanPrefs];
98  StringPrefMember language_chewing_multiple_choice_prefs_[
99      language_prefs::kNumChewingMultipleChoicePrefs];
100  IntegerPrefMember language_chewing_hsu_sel_key_type_;
101  IntegerPrefMember language_chewing_integer_prefs_[
102      language_prefs::kNumChewingIntegerPrefs];
103  StringPrefMember language_hangul_keyboard_;
104  StringPrefMember language_hangul_hanja_keys_;
105  BooleanPrefMember language_pinyin_boolean_prefs_[
106      language_prefs::kNumPinyinBooleanPrefs];
107  IntegerPrefMember language_pinyin_int_prefs_[
108      language_prefs::kNumPinyinIntegerPrefs];
109  IntegerPrefMember language_pinyin_double_pinyin_schema_;
110  BooleanPrefMember language_mozc_boolean_prefs_[
111      language_prefs::kNumMozcBooleanPrefs];
112  StringPrefMember language_mozc_multiple_choice_prefs_[
113      language_prefs::kNumMozcMultipleChoicePrefs];
114  IntegerPrefMember language_mozc_integer_prefs_[
115      language_prefs::kNumMozcIntegerPrefs];
116  IntegerPrefMember language_xkb_remap_search_key_to_;
117  IntegerPrefMember language_xkb_remap_control_key_to_;
118  IntegerPrefMember language_xkb_remap_alt_key_to_;
119  BooleanPrefMember language_xkb_auto_repeat_enabled_;
120  IntegerPrefMember language_xkb_auto_repeat_delay_pref_;
121  IntegerPrefMember language_xkb_auto_repeat_interval_pref_;
122
123  BooleanPrefMember enable_screen_lock_;
124
125  DISALLOW_COPY_AND_ASSIGN(Preferences);
126};
127
128}  // namespace chromeos
129
130#endif  // CHROME_BROWSER_CHROMEOS_PREFERENCES_H_
131