ITAppleEventCenter.m

   1 #import "ITAppleEventCenter.h"
   2
   3 Boolean MyAEIdleCallback (
   4                                          EventRecord * theEvent,
   5                                          SInt32 * sleepTime,
   6                                          RgnHandle * mouseRgn
   7                                          );
   8
   9 Boolean MyAEIdleCallback (
  10                                          EventRecord * theEvent,
  11                                          SInt32 * sleepTime,
  12                                          RgnHandle * mouseRgn
  13                                          )
  14 {
  15     return FALSE;
  16 }
  17
  18 @implementation ITAppleEventCenter
  19
  20 static ITAppleEventCenter *_sharedAECenter = nil;
  21
  22 + (id)sharedCenter
  23 {
  24     if( _sharedAECenter != nil ) {
  25         return _sharedAECenter;
  26     } else {
  27         _sharedAECenter = [[ITAppleEventCenter alloc] init];
  28         return _sharedAECenter;
  29     }
  30 }
  31
  32 - (NSString*)runAEWithRequestedKey:(NSString*)key eventClass:(NSString*)eventClass eventID:(NSString*)eventID appPSN:(ProcessSerialNumber)psn
  33 {
  34     AEEventClass eClass = *((unsigned long*)[eventClass UTF8String]);
  35     AEEventID    eID    = *((unsigned long*)[eventID UTF8String]);
  36
  37     const char *sendString = [[NSString stringWithFormat:@"'----':obj { form:'prop', want:type('prop'), seld:type('%s'), from:'null'() }", [key UTF8String]] UTF8String];
  38     NSString  *_finalString;
  39
  40     // Variables for building and sending the event
  41     AppleEvent sendEvent, replyEvent;
  42     //AEDesc replyDesc;
  43     AEIdleUPP upp = NewAEIdleUPP(&MyAEIdleCallback);
  44
  45     // Variables for getting the result
  46     char *charResult;
  47     DescType resultType;
  48     Size resultSize, charResultSize;
  49
  50     // Variables for error checking
  51     AEBuildError buildError;
  52     OSStatus err;
  53     OSErr err2, err3;
  54     //Ptr buffer;
  55     //Size length;
  56
  57     // Start Code
  58     // ^ Most pointless comment EVAR!
  59     // ^^ Nope, that one is
  60
  61     NSLog(@"_sendString: %s", sendString);
  62
  63     // The problem is, if I use eClass and eID in place of 'core' and 'getd' respectively, It won't build a valid AppleEvent :'(
  64     err = AEBuildAppleEvent(eClass, eID, typeProcessSerialNumber,(ProcessSerialNumber*)&psn, sizeof(ProcessSerialNumber), kAutoGenerateReturnID, 0, &sendEvent, &buildError, sendString);
  65
  66     [self printCarbonDesc:&sendEvent];
  67
  68     if (err) {
  69         NSLog(@"%d:%d at \"%@\"",buildError.fError,buildError.fErrorPos,[sendString substringToIndex:buildError.fErrorPos]);
  70     }
  71
  72     err = AESend(&sendEvent, &replyEvent, kAEWaitReply, kAENormalPriority, kNoTimeOut, upp, NULL);
  73
  74     [self printCarbonDesc:&replyEvent];
  75
  76     if (err) {
  77         NSLog(@"Send Error: %i",err);
  78     } else {
  79
  80         unichar* result=0;
  81
  82         err2 = AESizeOfParam(&replyEvent, keyDirectObject, &resultType, &resultSize);
  83         result=malloc(resultSize);
  84         //err2 = AEGetParamDesc(&replyEvent, keyDirectObject, typeWildCard, &replyDesc);
  85
  86         if (err2) { NSLog(@"Error After AESizeOfParam: %i", err2); } else {
  87         //if (err2) { NSLog(@"Error After AEGetParamDesc: %i", err2); } else {
  88
  89         err3 = AEGetParamPtr(&replyEvent, keyDirectObject, resultType, NULL, result, resultSize, &charResultSize);
  90         //length = AEGetDescDataSize(&replyDesc);
  91         //buffer = malloc(length);
  92
  93         //err3 = AEGetDescData(&replyDesc, buffer, length);
  94
  95         if (err3) { NSLog(@"Error After AEGetParamPtr: %i", err3); } else {
  96
  97         // if (err3) { NSLog(@"Error After AEGetDescData: %i", err3); } else {
  98
  99         _finalString = [[NSString stringWithCharacters:result length:charResultSize/sizeof(unichar)] copy];
 100
 101         /* _finalString = [NSString stringWithCString:buffer length:length];
 102
 103         if ( (! [_finalString isEqualToString:@""])      &&
 104             ([_finalString characterAtIndex:0] == '\"') &&
 105             ([_finalString characterAtIndex:[_finalString length] - 1] == '\"') ) {
 106             _finalString = [_finalString substringWithRange:NSMakeRange(1, [_finalString length] - 2)];
 107         }
 108         free(buffer);
 109         buffer = nil; */
 110
 111         }
 112         }
 113     }
 114
 115     //NSLog(@"Result Size: %i", charResultSize);
 116     //NSLog(@"Result: %c", charResult);
 117
 118     AEDisposeDesc(&sendEvent);
 119     AEDisposeDesc(&replyEvent);
 120
 121     return _finalString;
 122 }
 123
 124 - (void)printCarbonDesc:(AEDesc*)desc {
 125     Handle xx;
 126     AEPrintDescToHandle(desc,&xx);
 127     NSLog(@"Handle: %s", *xx);
 128     DisposeHandle(xx);
 129 }
 130
 131 @end