Call CFPreferencesAppSynchronize (for iOS << 8.0).
[veency.git] / SpringBoardAccess.c
1 /*
2 * Copyright (C) 2009 by Matthias Ringwald
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the copyright holders nor the names of
14 * contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
20 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
21 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
24 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
27 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 */
31
32 /*
33 * SpringBoardAcess.c
34 *
35 * Created by Matthias Ringwald on 9/20/09.
36 *
37 */
38
39 #include "SpringBoardAccess.h"
40
41 #import <CoreFoundation/CoreFoundation.h>
42
43 static CFMessagePortRef springBoardAccessMessagePort = 0;
44
45
46 static void SBA_refresh(){
47 // still valid
48 if (springBoardAccessMessagePort && !CFMessagePortIsValid(springBoardAccessMessagePort)){
49 CFRelease(springBoardAccessMessagePort);
50 springBoardAccessMessagePort = NULL;
51 }
52 // create new one
53 if (!springBoardAccessMessagePort) {
54 springBoardAccessMessagePort = CFMessagePortCreateRemote(NULL, CFSTR(SBA_MessagePortName));
55 }
56 }
57
58 int SBA_available(){
59 SBA_refresh();
60 if (springBoardAccessMessagePort) return 1;
61 return 0;
62 }
63
64 static int SBA_sendMessage(UInt8 cmd, UInt16 dataLen, UInt8 *data, CFDataRef *resultData){
65
66 SBA_refresh();
67
68 // well, won't work
69 if (!springBoardAccessMessagePort) {
70 return kCFMessagePortIsInvalid;
71 }
72 // create and send message
73 CFDataRef cfData = CFDataCreate(NULL, data, dataLen);
74 CFStringRef replyMode = NULL;
75 if (resultData) {
76 replyMode = kCFRunLoopDefaultMode;
77 }
78 int result = CFMessagePortSendRequest(springBoardAccessMessagePort, cmd, cfData, 1, 1, replyMode, resultData);
79 CFRelease(cfData);
80 return result;
81 }
82
83 int SBA_addStatusBarImage(char *name){
84 return SBA_sendMessage(SBAC_addStatusBarImage, strlen(name), (UInt8*) name, NULL);
85 }
86
87 int SBA_removeStatusBarImage(char *name){
88 return SBA_sendMessage(SBAC_removeStatusBarImage, strlen(name), (UInt8*) name, NULL);
89 }
90
91 int SBA_getBluetoothEnabled() {
92 CFDataRef cfData;
93 int result = SBA_sendMessage(SBAC_getBluetoothEnabled, 0, NULL, &cfData);
94 if (result == 0){
95 const uint8_t *data = CFDataGetBytePtr(cfData);
96 UInt16 dataLen = CFDataGetLength(cfData);
97 if (!dataLen) return -10;
98 if (data[0]) {
99 result = 1;
100 } else {
101 result = 0;
102 }
103 CFRelease(cfData);
104 } else {
105 // error talking to SpringBoardAccess
106 // well, assume it's off and hope for the best
107 result = 0;
108 }
109 return result;
110 }
111
112 int SBA_setBluetoothEnabled(int on){
113 uint8_t enabled = 0;
114 if (on) enabled = 1;
115 return SBA_sendMessage(SBAC_setBluetoothEnabled, 1, (UInt8*) &enabled, NULL);
116 }
117
118