1 // Copyright (c) 2013 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_PROFILES_PROFILE_HELPER_H_ 6 #define CHROME_BROWSER_CHROMEOS_PROFILES_PROFILE_HELPER_H_ 7 8 #include <string> 9 #include <vector> 10 11 #include "base/basictypes.h" 12 #include "base/callback_forward.h" 13 #include "base/files/file_path.h" 14 #include "chrome/browser/browsing_data/browsing_data_remover.h" 15 #include "chrome/browser/chromeos/login/oauth2_login_manager.h" 16 #include "chrome/browser/chromeos/login/user_manager.h" 17 18 class Profile; 19 20 namespace chromeos { 21 22 // This helper class is used on Chrome OS to keep track of currently 23 // active user profile. 24 // Whenever active user is changed (either add another user into session or 25 // switch between users), ActiveUserHashChanged() will be called thus 26 // internal state |active_user_id_hash_| will be updated. 27 // Typical use cases for using this class: 28 // 1. Get "signin profile" which is a special type of profile that is only used 29 // during signin flow: GetSigninProfile() 30 // 2. Get profile dir of an active user, used by ProfileManager: 31 // GetActiveUserProfileDir() 32 // 3. Get mapping from user_id_hash to Profile instance/profile path etc. 33 class ProfileHelper : public BrowsingDataRemover::Observer, 34 public OAuth2LoginManager::Observer, 35 public UserManager::UserSessionStateObserver { 36 public: 37 ProfileHelper(); 38 virtual ~ProfileHelper(); 39 40 // Returns Profile instance that corresponds to |user_id_hash|. 41 static Profile* GetProfileByUserIdHash(const std::string& user_id_hash); 42 43 // Returns profile dir that corresponds to a --login-profile cmd line switch. 44 static base::FilePath GetProfileDirByLegacyLoginProfileSwitch(); 45 46 // Returns profile path that corresponds to a given |user_id_hash|. 47 static base::FilePath GetProfilePathByUserIdHash( 48 const std::string& user_id_hash); 49 50 // Returns OffTheRecord profile for use during signing phase. 51 static Profile* GetSigninProfile(); 52 53 // Returns user_id hash for |profile| instance or empty string if hash 54 // could not be extracted from |profile|. 55 static std::string GetUserIdHashFromProfile(Profile* profile); 56 57 // Returns user profile dir in a format [u-user_id_hash]. 58 static base::FilePath GetUserProfileDir(const std::string& user_id_hash); 59 60 // Returns true if |profile| is the signin Profile. This can be used during 61 // construction of the signin Profile to determine if that Profile is the 62 // signin Profile. 63 static bool IsSigninProfile(Profile* profile); 64 65 // Initialize a bunch of services that are tied to a browser profile. 66 // TODO(dzhioev): Investigate whether or not this method is needed. 67 void ProfileStartup(Profile* profile, bool process_startup); 68 69 // Returns active user profile dir in a format [u-$hash]. 70 base::FilePath GetActiveUserProfileDir(); 71 72 // Should called once after UserManager instance has been created. 73 void Initialize(); 74 75 // Returns hash for active user ID which is used to identify that user profile 76 // on Chrome OS. active_user_id_hash()77 std::string active_user_id_hash() { return active_user_id_hash_; } 78 79 // Clears site data (cookies, history, etc) for signin profile. 80 // Callback can be empty. Not thread-safe. 81 void ClearSigninProfile(const base::Closure& on_clear_callback); 82 83 private: 84 friend class ProfileHelperTest; 85 friend class ProfileListChromeOSTest; 86 87 // BrowsingDataRemover::Observer implementation: 88 virtual void OnBrowsingDataRemoverDone() OVERRIDE; 89 90 // UserManager::Observer overrides. 91 virtual void OnSessionRestoreStateChanged( 92 Profile* user_profile, 93 OAuth2LoginManager::SessionRestoreState state) OVERRIDE; 94 95 // UserManager::UserSessionStateObserver implementation: 96 virtual void ActiveUserHashChanged(const std::string& hash) OVERRIDE; 97 98 // Identifies path to active user profile on Chrome OS. 99 std::string active_user_id_hash_; 100 101 // True if signin profile clearing now. 102 bool signin_profile_clear_requested_; 103 104 // List of callbacks called after signin profile clearance. 105 std::vector<base::Closure> on_clear_callbacks_; 106 107 DISALLOW_COPY_AND_ASSIGN(ProfileHelper); 108 }; 109 110 } // namespace chromeos 111 112 #endif // CHROME_BROWSER_CHROMEOS_PROFILES_PROFILE_HELPER_H_ 113