chrome/browser/chromeos/preferences.h

   1 // Copyright (c) 2012 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
   8 #include <string>
   9 #include <vector>
  10
  11 #include "ash/shell_observer.h"
  12 #include "base/compiler_specific.h"
  13 #include "base/prefs/pref_member.h"
  14 #include "chrome/browser/chromeos/language_preferences.h"
  15 #include "chrome/browser/prefs/pref_service_syncable_observer.h"
  16
  17 class PrefRegistrySimple;
  18 class PrefService;
  19 class PrefServiceSyncable;
  20
  21 class TracingManager;
  22
  23 namespace user_prefs {
  24 class PrefRegistrySyncable;
  25 }
  26
  27 namespace chromeos {
  28
  29 namespace input_method {
  30 class InputMethodManager;
  31 }
  32
  33 // The Preferences class handles Chrome OS preferences. When the class
  34 // is first initialized, it will initialize the OS settings to what's stored in
  35 // the preferences. These include touchpad settings, etc.
  36 // When the preferences change, we change the settings to reflect the new value.
  37 class Preferences : public PrefServiceSyncableObserver,
  38                     public ash::ShellObserver {
  39  public:
  40   Preferences();
  41   explicit Preferences(
  42       input_method::InputMethodManager* input_method_manager);  // for testing
  43   virtual ~Preferences();
  44
  45   // These method will register the prefs associated with Chrome OS settings.
  46   static void RegisterPrefs(PrefRegistrySimple* registry);
  47   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
  48
  49   // This method will initialize Chrome OS settings to values in user prefs.
  50   // |is_primary_user| is true if preferences are initialized for primary user
  51   // in multi-profile session.
  52   void Init(PrefServiceSyncable* prefs, bool is_primary_user);
  53
  54   void InitUserPrefsForTesting(PrefServiceSyncable* prefs);
  55   void SetInputMethodListForTesting();
  56
  57  private:
  58   // Initializes all member prefs.
  59   void InitUserPrefs(PrefServiceSyncable* prefs);
  60
  61   // Callback method for preference changes.
  62   void OnPreferenceChanged(const std::string& pref_name);
  63
  64   // This will set the OS settings when the preference changes.
  65   // If this method is called with NULL, it will set all OS settings to what's
  66   // stored in the preferences.
  67   void NotifyPrefChanged(const std::string* pref_name);
  68
  69   // A variant of SetLanguageConfigStringList. You can pass comma-separated
  70   // values. Examples of |value|: "", "Control+space,Hiragana"
  71   void SetLanguageConfigStringListAsCSV(const char* section,
  72                                         const char* name,
  73                                         const std::string& value);
  74
  75   // Restores the user's preferred input method / keyboard layout on signing in.
  76   void SetInputMethodList();
  77
  78   // Updates the initial key repeat delay and key repeat interval following
  79   // current prefs values. We set the delay and interval at once since an
  80   // underlying XKB API requires it.
  81   void UpdateAutoRepeatRate();
  82
  83   // Force natural scroll to on if --enable-natural-scroll-default is specified
  84   // on the cmd line.
  85   void ForceNaturalScrollDefault();
  86
  87   // PrefServiceSyncableObserver implementation.
  88   virtual void OnIsSyncingChanged() OVERRIDE;
  89
  90   // Overriden from ash::ShellObserver.
  91   virtual void OnTouchHudProjectionToggled(bool enabled) OVERRIDE;
  92
  93   PrefServiceSyncable* prefs_;
  94
  95   input_method::InputMethodManager* input_method_manager_;
  96   scoped_ptr<TracingManager> tracing_manager_;
  97
  98   BooleanPrefMember performance_tracing_enabled_;
  99   BooleanPrefMember tap_to_click_enabled_;
 100   BooleanPrefMember tap_dragging_enabled_;
 101   BooleanPrefMember three_finger_click_enabled_;
 102   BooleanPrefMember natural_scroll_;
 103   BooleanPrefMember vert_edge_scroll_enabled_;
 104   BooleanPrefMember a11y_spoken_feedback_enabled_;
 105   BooleanPrefMember a11y_high_contrast_enabled_;
 106   BooleanPrefMember a11y_screen_magnifier_enabled_;
 107   IntegerPrefMember a11y_screen_magnifier_type_;
 108   DoublePrefMember a11y_screen_magnifier_scale_;
 109   IntegerPrefMember speed_factor_;
 110   IntegerPrefMember mouse_sensitivity_;
 111   IntegerPrefMember touchpad_sensitivity_;
 112   BooleanPrefMember primary_mouse_button_right_;
 113   BooleanPrefMember use_24hour_clock_;
 114   BooleanPrefMember disable_drive_;
 115   BooleanPrefMember disable_drive_over_cellular_;
 116   BooleanPrefMember disable_drive_hosted_files_;
 117   FilePathPrefMember download_default_directory_;
 118   FilePathPrefMember select_file_last_directory_;
 119   FilePathPrefMember save_file_default_directory_;
 120   BooleanPrefMember touch_hud_projection_enabled_;
 121
 122   // Input method preferences.
 123   StringPrefMember preferred_languages_;
 124   StringPrefMember preload_engines_;
 125   StringPrefMember current_input_method_;
 126   StringPrefMember previous_input_method_;
 127   StringPrefMember enabled_extension_imes_;
 128
 129   BooleanPrefMember xkb_auto_repeat_enabled_;
 130   IntegerPrefMember xkb_auto_repeat_delay_pref_;
 131   IntegerPrefMember xkb_auto_repeat_interval_pref_;
 132
 133   // True if this preferences instance is for primary user.
 134   bool is_primary_user_prefs_;
 135
 136   DISALLOW_COPY_AND_ASSIGN(Preferences);
 137 };
 138
 139 }  // namespace chromeos
 140
 141 #endif  // CHROME_BROWSER_CHROMEOS_PREFERENCES_H_