Keychain/KCEventObserver.h

   1 /*
   2  * Copyright (c) 2000-2002 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  *  KCEventObserver.h -- OS X CF Observer for Keychain Events
  21  */
  22 #ifndef _SECURITY_KCEVENTOBSERVER_H_
  23 #define _SECURITY_KCEVENTOBSERVER_H_
  24
  25 #include <CoreFoundation/CFNotificationCenter.h>
  26 #include <CoreFoundation/CFString.h>
  27
  28 namespace Security
  29 {
  30
  31 class Observer
  32 {
  33 public:
  34     Observer                            ();
  35
  36     Observer                            ( CFStringRef                                           name,
  37                               const void*                                               object,
  38                               CFNotificationSuspensionBehavior  suspensionBehavior =
  39                                                                 CFNotificationSuspensionBehaviorHold );
  40
  41     virtual     ~Observer               ();
  42
  43     static void callback        ( CFNotificationCenterRef       center,
  44                               void*                                             observer,
  45                               CFStringRef                               name,
  46                               const void*                               object,
  47                               CFDictionaryRef                   userInfo );
  48
  49             void        add             ( CFStringRef                                           name,
  50                               const void*                                               object,
  51                               CFNotificationSuspensionBehavior  suspensionBehavior );
  52
  53     virtual void        Event   ( CFNotificationCenterRef       center,
  54                               CFStringRef                               name,
  55                               const void*                               object,
  56                               CFDictionaryRef                   userInfo ) = 0;
  57 };
  58
  59 } // end namespace Security
  60
  61 #endif // !_SECURITY_KCEVENTOBSERVER_H_