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     int pid;
  50
  51     // Variables for error checking
  52     AEBuildError buildError;
  53     OSStatus err;
  54     OSErr err2, err3;
  55     //Ptr buffer;
  56     //Size length;
  57
  58     // Start Code
  59     // ^ Most pointless comment EVAR!
  60     // ^^ Nope, that one is
  61
  62     if (GetProcessPID(&psn, &pid) == noErr) {
  63         if (pid ==0) {
  64             NSLog(@"Process doesn't exist! Exiting.");
  65             return;
  66         }
  67     } else {
  68         NSLog(@"Error getting PID of application to send to! Exiting.");
  69         return;
  70     }
  71
  72     NSLog(@"_sendString: %s", sendString);
  73
  74     // The problem is, if I use eClass and eID in place of 'core' and 'getd' respectively, It won't build a valid AppleEvent :'(
  75     err = AEBuildAppleEvent(eClass, eID, typeProcessSerialNumber,(ProcessSerialNumber*)&psn, sizeof(ProcessSerialNumber), kAutoGenerateReturnID, 0, &sendEvent, &buildError, sendString);
  76
  77     [self printCarbonDesc:&sendEvent];
  78
  79     if (err) {
  80         NSLog(@"%d:%d at \"%@\"",buildError.fError,buildError.fErrorPos,[sendString substringToIndex:buildError.fErrorPos]);
  81     }
  82
  83     err = AESend(&sendEvent, &replyEvent, kAEWaitReply, kAENormalPriority, kNoTimeOut, upp, NULL);
  84
  85     [self printCarbonDesc:&replyEvent];
  86
  87     if (err) {
  88         NSLog(@"Send Error: %i",err);
  89     } else {
  90
  91         unichar* result=0;
  92
  93         err2 = AESizeOfParam(&replyEvent, keyDirectObject, &resultType, &resultSize);
  94         result=malloc(resultSize);
  95         //err2 = AEGetParamDesc(&replyEvent, keyDirectObject, typeWildCard, &replyDesc);
  96
  97         if (err2) { NSLog(@"Error After AESizeOfParam: %i", err2); } else {
  98         //if (err2) { NSLog(@"Error After AEGetParamDesc: %i", err2); } else {
  99
 100         err3 = AEGetParamPtr(&replyEvent, keyDirectObject, resultType, NULL, result, resultSize, &charResultSize);
 101         //length = AEGetDescDataSize(&replyDesc);
 102         //buffer = malloc(length);
 103
 104         //err3 = AEGetDescData(&replyDesc, buffer, length);
 105
 106         if (err3) { NSLog(@"Error After AEGetParamPtr: %i", err3); } else {
 107
 108         // if (err3) { NSLog(@"Error After AEGetDescData: %i", err3); } else {
 109
 110         _finalString = [[NSString stringWithCharacters:result length:charResultSize/sizeof(unichar)] copy];
 111
 112         /* _finalString = [NSString stringWithCString:buffer length:length];
 113
 114         if ( (! [_finalString isEqualToString:@""])      &&
 115             ([_finalString characterAtIndex:0] == '\"') &&
 116             ([_finalString characterAtIndex:[_finalString length] - 1] == '\"') ) {
 117             _finalString = [_finalString substringWithRange:NSMakeRange(1, [_finalString length] - 2)];
 118         }
 119         free(buffer);
 120         buffer = nil; */
 121
 122         }
 123         }
 124     }
 125
 126     //NSLog(@"Result Size: %i", charResultSize);
 127     //NSLog(@"Result: %c", charResult);
 128
 129     AEDisposeDesc(&sendEvent);
 130     AEDisposeDesc(&replyEvent);
 131
 132     return _finalString;
 133 }
 134
 135 - (void)printCarbonDesc:(AEDesc*)desc {
 136     Handle xx;
 137     AEPrintDescToHandle(desc,&xx);
 138     NSLog(@"Handle: %s", *xx);
 139     DisposeHandle(xx);
 140 }
 141
 142 @end