1/*
2 * Copyright (c) 2014 Apple Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24#include "preferences.h"
25
26dispatch_queue_t __PreferencesGetQueue( void )
27{
28    static dispatch_once_t once;
29    static dispatch_queue_t queue;
30
31    dispatch_once( &once, ^
32    {
33        queue = dispatch_queue_create( 0, 0 );
34    } );
35
36    return queue;
37}
38
39void _PreferencesAppendArrayValue( CFStringRef key, CFPropertyListRef value )
40{
41    dispatch_sync( __PreferencesGetQueue( ), ^
42    {
43        CFArrayRef array;
44        CFMutableArrayRef mutableArray;
45
46        array = _PreferencesCopyValue( key );
47
48        if ( array )
49        {
50            mutableArray = CFArrayCreateMutableCopy( kCFAllocatorDefault, 0, array );
51
52            CFRelease( array );
53        }
54        else
55        {
56            mutableArray = CFArrayCreateMutable( kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks );
57        }
58
59        if ( mutableArray )
60        {
61            CFArrayAppendValue( mutableArray, value );
62
63            _PreferencesSetValue( key, mutableArray );
64
65            CFRelease( mutableArray );
66        }
67    } );
68}
69
70CFPropertyListRef _PreferencesCopyValue( CFStringRef key )
71{
72    return CFPreferencesCopyAppValue( key, kCFPreferencesCurrentApplication );
73}
74
75void _PreferencesSetValue( CFStringRef key, CFPropertyListRef value )
76{
77    CFPreferencesSetAppValue( key, value, kCFPreferencesCurrentApplication );
78
79    CFPreferencesAppSynchronize( kCFPreferencesCurrentApplication );
80}
81
82