iTunesRemote.m

   1 #import "iTunesRemote.h"
   2
   3 @implementation iTunesRemote
   4
   5 + (id)remote
   6 {
   7     return [[[iTunesRemote alloc] init] autorelease];
   8 }
   9
  10 - (NSString *)title
  11 {
  12     return @"iTunes Plug-in";
  13 }
  14
  15 - (NSString *)information;
  16 {
  17     return @"Default MenuTunes plugin to control iTunes. Written by iThink Software.";
  18 }
  19
  20 - (NSImage *)icon
  21 {
  22     return nil;
  23 }
  24
  25 - (BOOL)begin
  26 {
  27     iTunesPSN = [self iTunesPSN];
  28
  29     //Register for application termination in NSWorkspace
  30     [[[NSWorkspace sharedWorkspace] notificationCenter] addObserver:self selector:@selector(applicationLaunched:) name:NSWorkspaceDidLaunchApplicationNotification object:nil];
  31     [[[NSWorkspace sharedWorkspace] notificationCenter] addObserver:self selector:@selector(applicationTerminated:) name:NSWorkspaceDidTerminateApplicationNotification object:nil];
  32
  33     return YES;
  34 }
  35
  36 - (BOOL)halt
  37 {
  38     iTunesPSN.highLongOfPSN = kNoProcess;
  39
  40     //Unregister for application termination in NSWorkspace
  41     [[[NSWorkspace sharedWorkspace] notificationCenter] removeObserver:self];
  42
  43     return YES;
  44 }
  45
  46 - (BOOL)isAppRunning
  47 {
  48     NSArray *apps = [[NSWorkspace sharedWorkspace] launchedApplications];
  49     int i,count = [apps count];
  50
  51     for (i = 0; i < count; i++) {
  52         if ([[[apps objectAtIndex:i] objectForKey:@"NSApplicationName"]
  53                 isEqualToString:@"iTunes"]) {
  54             return YES;
  55         }
  56     }
  57     return NO;
  58 }
  59
  60 - (PlayerState)playerState
  61 {
  62     long result = [[ITAppleEventCenter sharedCenter] sendAEWithSendStringForNumber:@"'----':obj { form:'prop', want:type('prop'), seld:type('pPlS'), from:'null'() }" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
  63
  64     switch (result)
  65            {
  66            default:
  67            case 'kPSS':
  68                   return stopped;
  69            case 'kPSP':
  70                   return paused;
  71            case 'kPSp':
  72                   return playing;
  73            case 'kPSR':
  74                   return rewinding;
  75            case 'kPSF':
  76                   return forwarding;
  77            }
  78
  79     return stopped;
  80 }
  81
  82 - (NSArray *)playlists
  83 {
  84     long i = 0;
  85     const signed long numPlaylists = [[ITAppleEventCenter sharedCenter] sendAEWithSendStringForNumber:@"kocl:type('cPly'), '----':(), &subj:()" eventClass:@"core" eventID:@"cnte" appPSN:[self iTunesPSN]];
  86     NSMutableArray *playlists = [[NSMutableArray alloc] initWithCapacity:numPlaylists];
  87     NSLog(@"entered playlist");
  88
  89            for (i = 1; i <= numPlaylists; i++) {
  90                   const long j = i;
  91                   NSString *sendStr = [NSString stringWithFormat:@"'----':obj { form:'prop', want:type('prop'), seld:type('pnam'), from:obj { form:'indx', want:type('cPly'), seld:%lu, from:'null'() } }",(unsigned long)j];
  92                   NSString *theObj = [[ITAppleEventCenter sharedCenter] sendAEWithSendString:sendStr eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
  93                   NSLog(@"sent event cur %d max %d",i,numPlaylists);
  94                   [playlists addObject:theObj];
  95            }
  96            NSLog(@"playlists end");
  97            return [playlists autorelease];
  98 }
  99
 100 - (int)numberOfSongsInPlaylistAtIndex:(int)index
 101 {
 102     return [[ITAppleEventCenter sharedCenter] sendAEWithSendStringForNumber:[NSString stringWithFormat:@"kocl:'cTrk', '----':obj { form:'indx', want:type('cPly'), seld:%i, from:'null'() }",index] eventClass:@"core" eventID:@"cnte" appPSN:[self iTunesPSN]];
 103 }
 104
 105 - (NSString *)classOfPlaylistAtIndex:(int)index
 106 {
 107     int realResult = [[ITAppleEventCenter sharedCenter]
 108                 sendTwoTierAEWithRequestedKeyForNumber:@"pcls" fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 109
 110     if (realResult == 'cRTP') return @"radio tuner playlist";
 111     else return @"playlist";
 112 }
 113
 114 - (int)currentPlaylistIndex
 115 {
 116     int result;
 117     result = [[ITAppleEventCenter sharedCenter]
 118                 sendTwoTierAEWithRequestedKeyForNumber:@"pidx" fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 119     return result;
 120 }
 121
 122 - (NSString *)songTitleAtIndex:(int)index
 123 {
 124     return [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"'----':obj { form:'prop', want:type('prop'), seld:type('pnam'), from:obj { form:'indx', want:type('cTrk'), seld:%i, from:obj { form:'prop', want:type('prop'), seld:type('pPla'), from:'null'() } } }",index] eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 125 }
 126
 127 - (int)currentSongIndex
 128 {
 129     int result;
 130     result = [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKeyForNumber:@"pidx" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 131     return result;
 132 }
 133
 134 - (NSString *)currentSongTitle
 135 {
 136     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pnam" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 137 }
 138
 139 - (NSString *)currentSongArtist
 140 {
 141     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pArt" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 142 }
 143
 144 - (NSString *)currentSongAlbum
 145 {
 146     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pAlb" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 147 }
 148
 149 - (NSString *)currentSongGenre
 150 {
 151     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pGen" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 152 }
 153
 154 - (NSString *)currentSongLength
 155 {
 156     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pTim" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 157 }
 158
 159 - (NSString *)currentSongRemaining
 160 {
 161     long duration = [[ITAppleEventCenter sharedCenter]
 162                         sendTwoTierAEWithRequestedKeyForNumber:@"pDur" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 163     long current = [[ITAppleEventCenter sharedCenter]
 164                         sendAEWithRequestedKeyForNumber:@"pPos" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 165
 166     return [[NSNumber numberWithLong:duration - current] stringValue];
 167 }
 168
 169 - (NSArray *)eqPresets;
 170 {
 171     int i;
 172     long numPresets = [[ITAppleEventCenter sharedCenter] sendAEWithSendStringForNumber:@"kocl:type('cEQP'), '----':(), &subj:()" eventClass:@"core" eventID:@"cnte" appPSN:[self iTunesPSN]];
 173     NSMutableArray *presets = [[NSMutableArray alloc] initWithCapacity:numPresets];
 174
 175
 176            for (i = 0; i < numPresets; i++) {
 177                   NSString *theObj = [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"'----':obj { form:'prop', want:type('prop'), seld:type('pnam'), from:obj { form:'indx', want:type('cEQP'), seld:%d, from:'null'() } }",i] eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 178                   [presets addObject:theObj];
 179            }
 180            return [presets autorelease];
 181 }
 182
 183 - (int)currentEQPresetIndex
 184 {
 185     int result;
 186     result = [[ITAppleEventCenter sharedCenter]
 187                 sendTwoTierAEWithRequestedKeyForNumber:@"pidx"
 188                                                                                                           fromObjectByKey:@"pEQP" eventClass:@"core" eventID:@"getd"
 189                                                                                                                                     appPSN:[self iTunesPSN]];
 190     return result;
 191 }
 192
 193 - (BOOL)play
 194 {
 195     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Play"
 196                                                                                                                                                    appPSN:[self iTunesPSN]];
 197     return YES;
 198 }
 199
 200 - (BOOL)pause
 201 {
 202     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Paus"
 203                                                                                                                                                    appPSN:[self iTunesPSN]];
 204     return YES;
 205 }
 206
 207 - (BOOL)goToNextSong
 208 {
 209     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Next"
 210                                                                                                                                                    appPSN:[self iTunesPSN]];
 211     return YES;
 212 }
 213
 214 - (BOOL)goToPreviousSong
 215 {
 216     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Prev"
 217                                                                                                                                                    appPSN:[self iTunesPSN]];
 218     return YES;
 219 }
 220
 221 - (BOOL)fastForward
 222 {
 223     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Fast"
 224                                                                                                                                                    appPSN:[self iTunesPSN]];
 225     return YES;
 226 }
 227
 228 - (BOOL)rewind
 229 {
 230     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Rwnd"
 231                                                                                                                                                    appPSN:[self iTunesPSN]];
 232     return YES;
 233 }
 234
 235
 236 - (BOOL)switchToPlaylistAtIndex:(int)index
 237 {
 238     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"'----':obj { form:'name', want:type('cPly'), seld:%i, from:'null'() }",index] eventClass:@"hook" eventID:@"Play" appPSN:[self iTunesPSN]];
 239     return NO;
 240 }
 241
 242 - (BOOL)switchToSongAtIndex:(int)index
 243 {
 244     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"'----':obj { form:'indx', want:type('cTrk'), seld:%i, from:obj { form:'prop', want:type('prop'), seld:type('pPla'), from:'null'() } }",index] eventClass:@"hook" eventID:@"Play" appPSN:[self iTunesPSN]];
 245     return NO;
 246 }
 247
 248 - (BOOL)switchToEQAtIndex:(int)index
 249 {
 250     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"data:obj { form:'name', want:type('cEQP'), seld:%i, from:'null'() }, '----':obj { form:'prop', want:type('prop'), seld:type('pEQP'), from:'null'() }",index] eventClass:@"core" eventID:@"setd" appPSN:[self iTunesPSN]];
 251     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:@"data:1, '----':obj { form:'prop', want:type('prop'), seld:type('pEQ '), from:'null'() }" eventClass:@"core" eventID:@"setd" appPSN:[self iTunesPSN]];
 252     return NO;
 253 }
 254
 255 - (ProcessSerialNumber)iTunesPSN
 256 {
 257     NSArray *apps = [[NSWorkspace sharedWorkspace] launchedApplications];
 258     ProcessSerialNumber number;
 259     int i, count = [apps count];
 260
 261                number.highLongOfPSN = kNoProcess;
 262
 263                for (i = 0; i < count; i++)
 264                       {
 265                           NSDictionary *curApp = [apps objectAtIndex:i];
 266
 267                                  if ([[curApp objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"])
 268                                      {
 269                                                 number.highLongOfPSN = [[curApp objectForKey:@"NSApplicationProcessSerialNumberHigh"] intValue];
 270                                                 number.lowLongOfPSN = [[curApp objectForKey:@"NSApplicationProcessSerialNumberLow"] intValue];
 271                                             }
 272                              }
 273     return number;}
 274
 275 - (void)applicationLaunched:(NSNotification *)note
 276 {
 277     NSDictionary *info = [note userInfo];
 278
 279     if ([[info objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"]) {
 280         iTunesPSN.highLongOfPSN = [[info objectForKey:@"NSApplicationProcessSerialNumberHigh"] longValue];
 281         iTunesPSN.lowLongOfPSN = [[info objectForKey:@"NSApplicationProcessSerialNumberLow"] longValue];
 282
 283         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTRemoteAppDidLaunchNotification" object:nil];
 284     }
 285 }
 286
 287 - (void)applicationTerminated:(NSNotification *)note
 288 {
 289     NSDictionary *info = [note userInfo];
 290
 291     if ([[info objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"]) {
 292         iTunesPSN.highLongOfPSN = kNoProcess;
 293         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTRemoteAppDidTerminateNotification" object:nil];
 294     }
 295 }
 296
 297 @end