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119 lines
3.6 KiB
C
119 lines
3.6 KiB
C
/*
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* Copyright (C) 2009 by Matthias Ringwald
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
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* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/*
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* SpringBoardAcess.c
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*
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* Created by Matthias Ringwald on 9/20/09.
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*
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*/
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#include "SpringBoardAccess.h"
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#import <CoreFoundation/CoreFoundation.h>
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static CFMessagePortRef springBoardAccessMessagePort = 0;
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static void SBA_refresh(void){
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// still valid
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if (springBoardAccessMessagePort && !CFMessagePortIsValid(springBoardAccessMessagePort)){
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CFRelease(springBoardAccessMessagePort);
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springBoardAccessMessagePort = NULL;
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}
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// create new one
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if (!springBoardAccessMessagePort) {
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springBoardAccessMessagePort = CFMessagePortCreateRemote(NULL, CFSTR(SBA_MessagePortName));
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}
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}
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int SBA_available(void){
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SBA_refresh();
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if (springBoardAccessMessagePort) return 1;
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return 0;
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}
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static int SBA_sendMessage(UInt8 cmd, UInt16 dataLen, UInt8 *data, CFDataRef *resultData){
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SBA_refresh();
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// well, won't work
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if (!springBoardAccessMessagePort) {
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return kCFMessagePortIsInvalid;
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}
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// create and send message
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CFDataRef cfData = CFDataCreate(NULL, data, dataLen);
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CFStringRef replyMode = NULL;
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if (resultData) {
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replyMode = kCFRunLoopDefaultMode;
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}
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int result = CFMessagePortSendRequest(springBoardAccessMessagePort, cmd, cfData, 1, 1, replyMode, resultData);
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CFRelease(cfData);
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return result;
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}
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int SBA_addStatusBarImage(char *name){
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return SBA_sendMessage(SBAC_addStatusBarImage, strlen(name), (UInt8*) name, NULL);
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}
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int SBA_removeStatusBarImage(char *name){
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return SBA_sendMessage(SBAC_removeStatusBarImage, strlen(name), (UInt8*) name, NULL);
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}
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int SBA_getBluetoothEnabled(void){
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CFDataRef cfData;
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int result = SBA_sendMessage(SBAC_getBluetoothEnabled, 0, NULL, &cfData);
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if (result == 0){
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const uint8_t *data = CFDataGetBytePtr(cfData);
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UInt16 dataLen = CFDataGetLength(cfData);
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if (!dataLen) return -10;
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if (data[0]) {
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result = 1;
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} else {
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result = 0;
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}
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CFRelease(cfData);
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} else {
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// error talking to SpringBoardAccess
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// well, assume it's off and hope for the best
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result = 0;
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}
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return result;
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}
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int SBA_setBluetoothEnabled(int on){
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uint8_t enabled = 0;
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if (on) enabled = 1;
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return SBA_sendMessage(SBAC_setBluetoothEnabled, 1, (UInt8*) &enabled, NULL);
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}
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