/* * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved. * * The contents of this file constitute Original Code as defined in and are * subject to the Apple Public Source License Version 1.2 (the 'License'). * You may not use this file except in compliance with the License. Please obtain * a copy of the License at http://www.apple.com/publicsource and read it before * using this file. * * This Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the * specific language governing rights and limitations under the License. */ /* File: KCEventObserver.cpp Contains: OS X CF Observer for Keychain Events Written by: Craig Mortensen Copyright: 2000 by Apple Computer, Inc., All rights reserved. Change History (most recent first): To Do: */ #include "KCEventObserver.h" using namespace Security; Observer::Observer() { } // // Upon creation of this object, add this observer for this instance of KeychainCore // Observer::Observer( CFStringRef name, const void *object, CFNotificationSuspensionBehavior suspensionBehavior ) { add( name, object, suspensionBehavior ); } // // Upon destruction of this object, remove 'this' observer for this instance of KeychainCore // Observer::~Observer() { ::CFNotificationCenterRemoveEveryObserver( CFNotificationCenterGetDistributedCenter(), this ); } // // 'callback' is passed in to CFNotificationCenterAddObserver() when this object // is constructed when KeychainCore is created. 'callback' is called by CF whenever an event happens. // void Observer::callback(CFNotificationCenterRef center, void* observer, CFStringRef name, const void* object, CFDictionaryRef userInfo) { // 'Event' is where this KeychainCore notifies it's clients of the kc event that just happened. // try { reinterpret_cast(observer)->Event( center, name, object, userInfo ); } catch(...) { // @@@ do a log to console(); } } // // Add 'this' observer to CF for this instance of KeychainCore // void Observer::add( CFStringRef name, const void* object, CFNotificationSuspensionBehavior suspensionBehavior ) { ::CFNotificationCenterAddObserver( CFNotificationCenterGetDistributedCenter(), this, callback, name, object, suspensionBehavior ); }