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 *)remoteTitle
  11 {
  12     return @"iTunes Remote";
  13 }
  14
  15 - (NSString *)remoteInformation
  16 {
  17     return @"Default MenuTunes plugin to control iTunes, by iThink Software.";
  18 }
  19
  20 - (NSImage *)remoteIcon
  21 {
  22     return nil;
  23 }
  24
  25 - (BOOL)begin
  26 {
  27     iTunesPSN = [self iTunesPSN];
  28
  29     [[[NSWorkspace sharedWorkspace] notificationCenter] addObserver:self selector:@selector(applicationLaunched:) name:NSWorkspaceDidLaunchApplicationNotification object:nil];
  30     [[[NSWorkspace sharedWorkspace] notificationCenter] addObserver:self selector:@selector(applicationTerminated:) name:NSWorkspaceDidTerminateApplicationNotification object:nil];
  31
  32     return YES;
  33 }
  34
  35 - (BOOL)halt
  36 {
  37     iTunesPSN.highLongOfPSN = kNoProcess;
  38
  39     //Unregister for application termination in NSWorkspace
  40     [[[NSWorkspace sharedWorkspace] notificationCenter] removeObserver:self];
  41
  42     return YES;
  43 }
  44
  45 - (NSString *)playerFullName
  46 {
  47     return @"iTunes";
  48 }
  49
  50 - (NSString *)playerSimpleName
  51 {
  52     return @"iTunes";
  53 }
  54
  55 - (NSDictionary *)capabilities
  56 {
  57     return [NSDictionary dictionaryWithObjectsAndKeys:
  58                 [NSNumber numberWithBool: YES], @"Remote",
  59                 [NSNumber numberWithBool: YES], @"Basic Track Control",
  60                 [NSNumber numberWithBool: YES], @"Track Information",
  61                 [NSNumber numberWithBool: YES], @"Track Navigation",
  62                 [NSNumber numberWithBool: YES], @"Upcoming Songs",
  63                 [NSNumber numberWithBool: YES], @"Playlists",
  64                 [NSNumber numberWithBool: YES], @"Volume",
  65                 [NSNumber numberWithBool: YES], @"Shuffle",
  66                 [NSNumber numberWithBool: YES], @"Repeat Modes",
  67                 [NSNumber numberWithBool: YES], @"Equalizer",
  68                 [NSNumber numberWithBool: YES], @"Track Rating",
  69                 nil];
  70 }
  71
  72 - (ITMTRemotePlayerRunningState)playerRunningState
  73 {
  74     NSArray *apps = [[NSWorkspace sharedWorkspace] launchedApplications];
  75     int i;
  76     int count = [apps count];
  77
  78     for (i = 0; i < count; i++) {
  79         if ([[[apps objectAtIndex:i] objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"]) {
  80             return ITMTRemotePlayerRunning;
  81         }
  82     }
  83     return ITMTRemotePlayerNotRunning;
  84 }
  85
  86 - (ITMTRemotePlayerPlayingState)playerPlayingState
  87 {
  88     long result = [[ITAppleEventCenter sharedCenter] sendAEWithSendStringForNumber:@"'----':obj { form:'prop', want:type('prop'), seld:type('pPlS'), from:'null'() }" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
  89
  90     switch (result)
  91     {
  92         default:
  93         case 'kPSS':
  94             return ITMTRemotePlayerStopped;
  95         case 'kPSP':
  96             return ITMTRemotePlayerPlaying;
  97         case 'kPSp':
  98             return ITMTRemotePlayerPaused;
  99         case 'kPSR':
 100             return ITMTRemotePlayerRewinding;
 101         case 'kPSF':
 102             return ITMTRemotePlayerForwarding;
 103     }
 104
 105     return ITMTRemotePlayerStopped;
 106 }
 107
 108 - (NSArray *)playlists
 109 {
 110     long i = 0;
 111     const signed long numPlaylists = [[ITAppleEventCenter sharedCenter] sendAEWithSendStringForNumber:@"kocl:type('cPly'), '----':(), &subj:()" eventClass:@"core" eventID:@"cnte" appPSN:iTunesPSN];
 112     NSMutableArray *playlists = [[NSMutableArray alloc] initWithCapacity:numPlaylists];
 113
 114     for (i = 1; i <= numPlaylists; i++) {
 115         const long j = i;
 116         NSString *sendStr = [NSString stringWithFormat:@"'----':obj { form:'prop', want:type('prop'), seld:type('pnam'), from:obj { form:'indx', want:type('cPly'), seld:long(%lu), from:'null'() } }",(unsigned long)j];
 117         NSString *theObj = [[ITAppleEventCenter sharedCenter] sendAEWithSendString:sendStr eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 118         [playlists addObject:theObj];
 119     }
 120     return [playlists autorelease];
 121 }
 122
 123 - (int)numberOfSongsInPlaylistAtIndex:(int)index
 124 {
 125     return [[ITAppleEventCenter sharedCenter] sendAEWithSendStringForNumber:[NSString stringWithFormat:@"kocl:type('cTrk'), '----':obj { form:'indx', want:type('cPly'), seld:long(%lu), from:'null'() }",index] eventClass:@"core" eventID:@"cnte" appPSN:iTunesPSN];
 126 }
 127
 128 - (ITMTRemotePlayerPlaylistClass)classOfPlaylistAtIndex:(int)index
 129 {
 130     int realResult = [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKeyForNumber:@"pcls" fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 131
 132
 133     switch (realResult)
 134            {
 135            case 'cLiP':
 136                   return ITMTRemotePlayerLibraryPlaylist;
 137                   break;
 138            case 'cRTP':
 139                   return ITMTRemotePlayerRadioPlaylist;
 140                   break;
 141            default:
 142                   return ITMTRemotePlayerPlaylist;
 143            }
 144 }
 145
 146 - (int)currentPlaylistIndex
 147 {
 148     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKeyForNumber:@"pidx" fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 149 }
 150
 151 - (NSString *)songTitleAtIndex:(int)index
 152 {
 153     return [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"'----':obj { form:'prop', want:type('prop'), seld:type('pnam'), from:obj { form:'indx', want:type('cTrk'), seld:long(%lu), from:obj { form:'prop', want:type('prop'), seld:type('pPla'), from:'null'() } } }",index] eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 154 }
 155
 156 - (int)currentSongIndex
 157 {
 158     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKeyForNumber:@"pidx" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 159 }
 160
 161 - (NSString *)currentSongTitle
 162 {
 163     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pnam" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 164 }
 165
 166 - (NSString *)currentSongArtist
 167 {
 168     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pArt" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 169 }
 170
 171 - (NSString *)currentSongAlbum
 172 {
 173     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pAlb" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 174 }
 175
 176 - (NSString *)currentSongGenre
 177 {
 178     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pGen" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 179 }
 180
 181 - (NSString *)currentSongLength
 182 {
 183     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pTim" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 184 }
 185
 186 - (NSString *)currentSongRemaining
 187 {
 188     long duration = [[ITAppleEventCenter sharedCenter]
 189                         sendTwoTierAEWithRequestedKeyForNumber:@"pDur" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 190     long current = [[ITAppleEventCenter sharedCenter]
 191                         sendAEWithRequestedKeyForNumber:@"pPos" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 192
 193     return [[NSNumber numberWithLong:duration - current] stringValue];
 194 }
 195
 196 - (float)currentSongRating
 197 {
 198     return [[ITAppleEventCenter sharedCenter]
 199                 sendTwoTierAEWithRequestedKeyForNumber:@"pRte" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN] / 100;
 200 }
 201
 202 - (BOOL)setCurrentSongRating:(float)rating
 203 {
 204     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"data:long(%lu) ----:obj { form:'prop', want:type('prop'), seld:type('pRte'), from:obj { form:'prop', want:type('prop'), seld:type('pTrk'), from:'null'() } }",(long)rating*100] eventClass:@"core" eventID:@"setd" appPSN:iTunesPSN];
 205     return YES;
 206 }
 207
 208 - (BOOL)equalizerEnabled
 209 {
 210     return [[ITAppleEventCenter sharedCenter]
 211                         sendAEWithRequestedKeyForNumber:@"pEQ " eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 212 }
 213
 214 - (BOOL)setEqualizerEnabled:(BOOL)enabled
 215 {
 216 [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"data:long(%lu) ----:obj { form:'prop', want:type('prop'), seld:type('pEQ '), from:obj { form:'prop', want:type('prop'), seld:type('pPla'), from:'null'() } }",enabled] eventClass:@"core" eventID:@"setd" appPSN:iTunesPSN];
 217 }
 218
 219 - (NSArray *)eqPresets
 220 {
 221     int i;
 222     long numPresets = [[ITAppleEventCenter sharedCenter] sendAEWithSendStringForNumber:@"kocl:type('cEQP'), '----':(), &subj:()" eventClass:@"core" eventID:@"cnte" appPSN:iTunesPSN];
 223     NSMutableArray *presets = [[NSMutableArray alloc] initWithCapacity:numPresets];
 224
 225     for (i = 1; i <= numPresets; i++) {
 226         NSString *theObj = [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"'----':obj { form:'prop', want:type('prop'), seld:type('pnam'), from:obj { form:'indx', want:type('cEQP'), seld:long(%lu), from:'null'() } }",i] eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 227         if (theObj) {
 228             [presets addObject:theObj];
 229         }
 230     }
 231     return [presets autorelease];
 232 }
 233
 234 - (int)currentEQPresetIndex
 235 {
 236     int result;
 237     result = [[ITAppleEventCenter sharedCenter]
 238                 sendTwoTierAEWithRequestedKeyForNumber:@"pidx" fromObjectByKey:@"pEQP" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 239     return result;
 240 }
 241
 242 - (float)volume
 243 {
 244     long vol = [[ITAppleEventCenter sharedCenter] sendAEWithRequestedKeyForNumber:@"pVol" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 245     return vol / 100;
 246 }
 247
 248 - (BOOL)setVolume:(float)volume
 249 {
 250     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"data:long(%lu), ----:obj { form:'prop', want:type('prop'), seld:type('pVol'), from:'null'() }",(long)volume*100] eventClass:@"core" eventID:@"setd" appPSN:iTunesPSN];
 251     return NO;
 252 }
 253
 254 - (BOOL)shuffleEnabled
 255 {
 256     int result = [[ITAppleEventCenter sharedCenter]
 257                 sendTwoTierAEWithRequestedKeyForNumber:@"pShf" fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 258     return result;
 259 }
 260
 261 - (BOOL)setShuffleEnabled:(BOOL)enabled
 262 {
 263     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"data:long(%lu) ----:obj { form:'prop', want:type('prop'), seld:type('pShf'), from:obj { form:'prop', want:type('prop'), seld:type('pPla'), from:'null'() } }",enabled] eventClass:@"core" eventID:@"setd" appPSN:iTunesPSN];
 264 }
 265
 266 - (ITMTRemotePlayerRepeatMode)repeatMode
 267 {
 268     FourCharCode m00f;
 269     int result;
 270     m00f = [[ITAppleEventCenter sharedCenter]
 271                 sendTwoTierAEWithRequestedKeyForNumber:@"pRpt" fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 272
 273     switch (m00f)
 274            {
 275            case 'kRp0':
 276                   result = ITMTRemotePlayerRepeatOff;
 277                   break;
 278            case 'kRp1':
 279                   result = ITMTRemotePlayerRepeatOne;
 280                   break;
 281            case 'kRpA':
 282                   result = ITMTRemotePlayerRepeatAll;
 283                   break;
 284            }
 285
 286     return result;
 287 }
 288
 289 - (BOOL)setRepeatMode:(ITMTRemotePlayerRepeatMode)repeatMode
 290 {
 291     FourCharCode m00f;
 292     switch (repeatMode)
 293            {
 294            case ITMTRemotePlayerRepeatOff:
 295                   m00f = 'kRp0';
 296                   break;
 297            case ITMTRemotePlayerRepeatOne:
 298                   m00f = 'kRp1';
 299                   break;
 300            case ITMTRemotePlayerRepeatAll:
 301                   m00f = 'kRpA';
 302                   break;
 303            }
 304
 305     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"data:long(%lu) ----:obj { form:'prop', want:type('pRpt'), seld:type('pShf'), from:obj { form:'prop', want:type('prop'), seld:type('pPla'), from:'null'() } }",m00f] eventClass:@"core" eventID:@"setd" appPSN:iTunesPSN];
 306
 307 }
 308
 309 - (BOOL)play
 310 {
 311     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Play" appPSN:iTunesPSN];
 312     return YES;
 313 }
 314
 315 - (BOOL)pause
 316 {
 317     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Paus" appPSN:iTunesPSN];
 318     return YES;
 319 }
 320
 321 - (BOOL)goToNextSong
 322 {
 323     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Next" appPSN:iTunesPSN];
 324     return YES;
 325 }
 326
 327 - (BOOL)goToPreviousSong
 328 {
 329     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Prev" appPSN:iTunesPSN];
 330     return YES;
 331 }
 332
 333 - (BOOL)forward
 334 {
 335     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Fast" appPSN:iTunesPSN];
 336     return YES;
 337 }
 338
 339 - (BOOL)rewind
 340 {
 341     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Rwnd" appPSN:iTunesPSN];
 342     return YES;
 343 }
 344
 345 - (BOOL)switchToPlaylistAtIndex:(int)index
 346 {
 347     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"'----':obj { form:'indx', want:type('cPly'), seld:long(%lu), from:() }",index] eventClass:@"hook" eventID:@"Play" appPSN:iTunesPSN];
 348     return YES;
 349 }
 350
 351 - (BOOL)switchToSongAtIndex:(int)index
 352 {
 353     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"'----':obj { form:'indx', want:type('cTrk'), seld:long(%lu), from:obj { form:'prop', want:type('prop'), seld:type('pPla'), from:() } }",index] eventClass:@"hook" eventID:@"Play" appPSN:iTunesPSN];
 354     return YES;
 355 }
 356
 357 - (BOOL)switchToEQAtIndex:(int)index
 358 {
 359     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"data:obj { form:'ID  ', want:type('cEQP'), seld:long(%lu), from:'null'() }, ----:obj { form:'prop', want:type('prop'), seld:type('pEQP'), from:'null'() }",index] eventClass:@"core" eventID:@"setd" appPSN:iTunesPSN];
 360     return YES;
 361 }
 362
 363 - (ProcessSerialNumber)iTunesPSN
 364 {
 365     NSArray *apps = [[NSWorkspace sharedWorkspace] launchedApplications];
 366     ProcessSerialNumber number;
 367     int i;
 368     int count = [apps count];
 369
 370     number.highLongOfPSN = kNoProcess;
 371
 372     for (i = 0; i < count; i++)
 373     {
 374         NSDictionary *curApp = [apps objectAtIndex:i];
 375
 376         if ([[curApp objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"])
 377         {
 378             number.highLongOfPSN = [[curApp objectForKey:
 379                 @"NSApplicationProcessSerialNumberHigh"] intValue];
 380             number.lowLongOfPSN = [[curApp objectForKey:
 381                 @"NSApplicationProcessSerialNumberLow"] intValue];
 382         }
 383     }
 384     return number;
 385 }
 386
 387 - (void)applicationLaunched:(NSNotification *)note
 388 {
 389     NSDictionary *info = [note userInfo];
 390
 391     if ([[info objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"]) {
 392         iTunesPSN.highLongOfPSN = [[info objectForKey:@"NSApplicationProcessSerialNumberHigh"] longValue];
 393         iTunesPSN.lowLongOfPSN = [[info objectForKey:@"NSApplicationProcessSerialNumberLow"] longValue];
 394
 395         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTRemoteAppDidLaunchNotification" object:nil];
 396     }
 397 }
 398
 399 - (void)applicationTerminated:(NSNotification *)note
 400 {
 401     NSDictionary *info = [note userInfo];
 402
 403     if ([[info objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"]) {
 404         iTunesPSN.highLongOfPSN = kNoProcess;
 405         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTRemoteAppDidTerminateNotification" object:nil];
 406     }
 407 }
 408
 409 @end