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   void Init(PrefServiceSyncable* prefs);
  51
  52   void InitUserPrefsForTesting(PrefServiceSyncable* prefs);
  53   void SetInputMethodListForTesting();
  54
  55  private:
  56   // Initializes all member prefs.
  57   void InitUserPrefs(PrefServiceSyncable* prefs);
  58
  59   // Callback method for preference changes.
  60   void OnPreferenceChanged(const std::string& pref_name);
  61
  62   // This will set the OS settings when the preference changes.
  63   // If this method is called with NULL, it will set all OS settings to what's
  64   // stored in the preferences.
  65   void NotifyPrefChanged(const std::string* pref_name);
  66
  67   // A variant of SetLanguageConfigStringList. You can pass comma-separated
  68   // values. Examples of |value|: "", "Control+space,Hiragana"
  69   void SetLanguageConfigStringListAsCSV(const char* section,
  70                                         const char* name,
  71                                         const std::string& value);
  72
  73   // Restores the user's preferred input method / keyboard layout on signing in.
  74   void SetInputMethodList();
  75
  76   // Updates the initial key repeat delay and key repeat interval following
  77   // current prefs values. We set the delay and interval at once since an
  78   // underlying XKB API requires it.
  79   void UpdateAutoRepeatRate();
  80
  81   // Force natural scroll to on if --enable-natural-scroll-default is specified
  82   // on the cmd line.
  83   void ForceNaturalScrollDefault();
  84
  85   // PrefServiceSyncableObserver implementation.
  86   virtual void OnIsSyncingChanged() OVERRIDE;
  87
  88   // Overriden from ash::ShellObserver.
  89   virtual void OnTouchHudProjectionToggled(bool enabled) OVERRIDE;
  90
  91   PrefServiceSyncable* prefs_;
  92
  93   input_method::InputMethodManager* input_method_manager_;
  94   scoped_ptr<TracingManager> tracing_manager_;
  95
  96   BooleanPrefMember performance_tracing_enabled_;
  97   BooleanPrefMember tap_to_click_enabled_;
  98   BooleanPrefMember tap_dragging_enabled_;
  99   BooleanPrefMember three_finger_click_enabled_;
 100   BooleanPrefMember natural_scroll_;
 101   BooleanPrefMember vert_edge_scroll_enabled_;
 102   BooleanPrefMember a11y_spoken_feedback_enabled_;
 103   BooleanPrefMember a11y_high_contrast_enabled_;
 104   BooleanPrefMember a11y_screen_magnifier_enabled_;
 105   IntegerPrefMember a11y_screen_magnifier_type_;
 106   DoublePrefMember a11y_screen_magnifier_scale_;
 107   IntegerPrefMember speed_factor_;
 108   IntegerPrefMember mouse_sensitivity_;
 109   IntegerPrefMember touchpad_sensitivity_;
 110   BooleanPrefMember primary_mouse_button_right_;
 111   BooleanPrefMember use_24hour_clock_;
 112   BooleanPrefMember disable_drive_;
 113   BooleanPrefMember disable_drive_over_cellular_;
 114   BooleanPrefMember disable_drive_hosted_files_;
 115   FilePathPrefMember download_default_directory_;
 116   FilePathPrefMember select_file_last_directory_;
 117   FilePathPrefMember save_file_default_directory_;
 118   BooleanPrefMember touch_hud_projection_enabled_;
 119
 120   // Input method preferences.
 121   StringPrefMember preferred_languages_;
 122   StringPrefMember preload_engines_;
 123   StringPrefMember current_input_method_;
 124   StringPrefMember previous_input_method_;
 125   StringPrefMember enabled_extension_imes_;
 126
 127   BooleanPrefMember xkb_auto_repeat_enabled_;
 128   IntegerPrefMember xkb_auto_repeat_delay_pref_;
 129   IntegerPrefMember xkb_auto_repeat_interval_pref_;
 130
 131   DISALLOW_COPY_AND_ASSIGN(Preferences);
 132 };
 133
 134 }  // namespace chromeos
 135
 136 #endif  // CHROME_BROWSER_CHROMEOS_PREFERENCES_H_