Keychain/KCEventObserver.h

   1 /*
   2  * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * The contents of this file constitute Original Code as defined in and are
   5  * subject to the Apple Public Source License Version 1.2 (the 'License').
   6  * You may not use this file except in compliance with the License. Please obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * using this file.
   9  *
  10  * This Original Code and all software distributed under the License are
  11  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18
  19 /*
  20         File:           KCEventObserver.h
  21
  22         Contains:       OS X CF Observer for Keychain Events
  23
  24         Written by:     Craig Mortensen
  25
  26         Copyright:      2000 by Apple Computer, Inc., All rights reserved.
  27
  28         Change History (most recent first):
  29
  30         To Do:
  31 */
  32
  33 #include <CoreFoundation/CFNotificationCenter.h>
  34 #include <CoreFoundation/CFString.h>
  35 #include <Security/SecKeychainAPI.h>
  36
  37 namespace Security
  38 {
  39
  40 class Observer
  41 {
  42 public:
  43     Observer                            ();
  44
  45     Observer                            ( CFStringRef                                           name,
  46                               const void*                                               object,
  47                               CFNotificationSuspensionBehavior  suspensionBehavior =
  48                                                                 CFNotificationSuspensionBehaviorHold );
  49
  50     virtual     ~Observer               ();
  51
  52     static void callback        ( CFNotificationCenterRef       center,
  53                               void*                                             observer,
  54                               CFStringRef                               name,
  55                               const void*                               object,
  56                               CFDictionaryRef                   userInfo );
  57
  58             void        add             ( CFStringRef                                           name,
  59                               const void*                                               object,
  60                               CFNotificationSuspensionBehavior  suspensionBehavior );
  61
  62     virtual void        Event   ( CFNotificationCenterRef       center,
  63                               CFStringRef                               name,
  64                               const void*                               object,
  65                               CFDictionaryRef                   userInfo ) = 0;
  66 };
  67
  68 } // end namespace Security