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_PREFS_INCOGNITO_MODE_PREFS_H_ 6 #define CHROME_BROWSER_PREFS_INCOGNITO_MODE_PREFS_H_ 7 8 #include "base/basictypes.h" 9 10 class PrefService; 11 class Profile; 12 13 namespace base { 14 class CommandLine; 15 } 16 17 namespace user_prefs { 18 class PrefRegistrySyncable; 19 } 20 21 // Specifies Incognito mode availability preferences. 22 class IncognitoModePrefs { 23 public: 24 // Possible values for Incognito mode availability. Please, do not change 25 // the order of entries since numeric values are exposed to users. 26 enum Availability { 27 // Incognito mode enabled. Users may open pages in both Incognito mode and 28 // normal mode (the default behaviour). 29 ENABLED = 0, 30 // Incognito mode disabled. Users may not open pages in Incognito mode. 31 // Only normal mode is available for browsing. 32 DISABLED, 33 // Incognito mode forced. Users may open pages *ONLY* in Incognito mode. 34 // Normal mode is not available for browsing. 35 FORCED, 36 37 AVAILABILITY_NUM_TYPES 38 }; 39 40 // Register incognito related preferences. 41 static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry); 42 43 // Returns kIncognitoModeAvailability preference value stored 44 // in the given pref service. 45 static Availability GetAvailability(const PrefService* prefs); 46 47 // Sets kIncognitoModeAvailability preference to the specified availability 48 // value. 49 static void SetAvailability(PrefService* prefs, 50 const Availability availability); 51 52 // Converts in_value into the corresponding Availability value. Returns true 53 // if conversion is successful (in_value is valid). Otherwise, returns false 54 // and *out_value is set to ENABLED. 55 static bool IntToAvailability(int in_value, Availability* out_value); 56 57 // Returns true if the browser should start in incognito mode. 58 static bool ShouldLaunchIncognito(const base::CommandLine& command_line, 59 const PrefService* prefs); 60 61 // Returns true if |profile| can open a new Browser. This checks the incognito 62 // availability policies and verifies if the |profile| type is allowed to 63 // open new windows. 64 static bool CanOpenBrowser(Profile* profile); 65 66 // Returns whether parental controls have been enabled on the platform. This 67 // method simply returns a cached value and thus the result may be stale. May 68 // be called on any thread. 69 static bool ArePlatformParentalControlsEnabledCached(); 70 71 #if defined(OS_WIN) 72 // Initializes the parental control settings. Must be called on UI thread and 73 // before |ArePlatformParentalControlsEnabled|. 74 static void InitializePlatformParentalControls(); 75 #endif // OS_WIN 76 77 private: 78 // Returns whether parental controls have been enabled on the platform, which 79 // if enabled will overrule the Availability as configured in prefs. 80 static bool ArePlatformParentalControlsEnabled(); 81 82 DISALLOW_IMPLICIT_CONSTRUCTORS(IncognitoModePrefs); 83 }; 84 85 #endif // CHROME_BROWSER_PREFS_INCOGNITO_MODE_PREFS_H_ 86