/* * Copyright (c) 2012-2014 Apple Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The 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. * * @APPLE_LICENSE_HEADER_END@ */ #ifndef _SCPREFS_OBSERVER_H #define _SCPREFS_OBSERVER_H #include <Availability.h> #include <TargetConditionals.h> #include <sys/cdefs.h> #include <dispatch/dispatch.h> typedef enum { #if !TARGET_OS_IPHONE scprefs_observer_type_mcx = 1, #else // !TARGET_OS_IPHONE scprefs_observer_type_global = 2, scprefs_observer_type_profile = 3, #endif // !TARGET_OS_IPHONE } _scprefs_observer_type; typedef struct _scprefs_observer_t * scprefs_observer_t; __BEGIN_DECLS /*! @function prefs_observer_watch @discussion Sends a notification to interested configuration agents when a particular preference file has changed. @param type the type of preference (MCX on OSX, Global/Profiles on iOS) to watch. @param plist the name of the plist file to watch. @param queue the queue to be called back on. @param block the block to be called back on. @result Returns the created preferences observer */ scprefs_observer_t _scprefs_observer_watch(_scprefs_observer_type type, const char *plist_name, dispatch_queue_t queue, dispatch_block_t block); /*! @function prefs_observer_watch @discussion Cancells/deregisters the given preferences watcher. @param observer the watcher to be cancelled. */ void _scprefs_observer_cancel(scprefs_observer_t observer); __END_DECLS #endif /* _SCPREFS_OBSERVER_H */