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API 0.9.5
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00001 /* 00002 * CPUserSessionManager.j 00003 * Foundation 00004 * 00005 * Created by Francisco Tolmasky. 00006 * Copyright 2008, 280 North, Inc. 00007 * 00008 * This library is free software; you can redistribute it and/or 00009 * modify it under the terms of the GNU Lesser General Public 00010 * License as published by the Free Software Foundation; either 00011 * version 2.1 of the License, or (at your option) any later version. 00012 * 00013 * This library is distributed in the hope that it will be useful, 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00016 * Lesser General Public License for more details. 00017 * 00018 * You should have received a copy of the GNU Lesser General Public 00019 * License along with this library; if not, write to the Free Software 00020 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00021 */ 00022 00023 00024 CPUserSessionUndeterminedStatus = 0; 00025 CPUserSessionLoggedInStatus = 1; 00026 CPUserSessionLoggedOutStatus = 2; 00027 00028 CPUserSessionManagerStatusDidChangeNotification = @"CPUserSessionManagerStatusDidChangeNotification"; 00029 CPUserSessionManagerUserIdentifierDidChangeNotification = @"CPUserSessionManagerUserIdentifierDidChangeNotification"; 00030 00031 var CPDefaultUserSessionManager = nil; 00032 00033 @implementation CPUserSessionManager : CPObject 00034 { 00035 CPUserSessionStatus _status; 00036 00037 CPString _userIdentifier; 00038 } 00039 00040 + (id)defaultManager 00041 { 00042 if (!CPDefaultUserSessionManager) 00043 CPDefaultUserSessionManager = [[CPUserSessionManager alloc] init]; 00044 00045 return CPDefaultUserSessionManager; 00046 } 00047 00048 - (id)init 00049 { 00050 self = [super init]; 00051 00052 if (self) 00053 _status = CPUserSessionUndeterminedStatus; 00054 00055 return self; 00056 } 00057 00058 - (CPUserSessionStatus)status 00059 { 00060 return _status; 00061 } 00062 00063 - (void)setStatus:(CPUserSessionStatus)aStatus 00064 { 00065 if (_status == aStatus) 00066 return; 00067 00068 _status = aStatus; 00069 00070 [[CPNotificationCenter defaultCenter] 00071 postNotificationName:CPUserSessionManagerStatusDidChangeNotification 00072 object:self]; 00073 00074 if (_status != CPUserSessionLoggedInStatus) 00075 [self setUserIdentifier:nil]; 00076 } 00077 00078 - (CPString)userIdentifier 00079 { 00080 return _userIdentifier; 00081 } 00082 00083 - (void)setUserIdentifier:(CPString)anIdentifier 00084 { 00085 if (_userIdentifier == anIdentifier) 00086 return; 00087 00088 _userIdentifier = anIdentifier; 00089 00090 [[CPNotificationCenter defaultCenter] 00091 postNotificationName:CPUserSessionManagerUserIdentifierDidChangeNotification 00092 object:self]; 00093 } 00094 00095 @end