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            case 'cRTP':
 138                   return ITMTRemotePlayerRadioPlaylist;
 139                   break;
 140            default:
 141                   return ITMTRemotePlayerPlaylist;
 142            }
 143 }
 144
 145 - (int)currentPlaylistIndex
 146 {
 147     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKeyForNumber:@"pidx" fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 148 }
 149
 150 - (NSString *)songTitleAtIndex:(int)index
 151 {
 152     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];
 153 }
 154
 155 - (int)currentSongIndex
 156 {
 157     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKeyForNumber:@"pidx" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 158 }
 159
 160 - (NSString *)currentSongTitle
 161 {
 162     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pnam" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 163 }
 164
 165 - (NSString *)currentSongArtist
 166 {
 167     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pArt" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 168 }
 169
 170 - (NSString *)currentSongAlbum
 171 {
 172     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pAlb" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 173 }
 174
 175 - (NSString *)currentSongGenre
 176 {
 177     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pGen" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 178 }
 179
 180 - (NSString *)currentSongLength
 181 {
 182     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pTim" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 183 }
 184
 185 - (NSString *)currentSongRemaining
 186 {
 187     long duration = [[ITAppleEventCenter sharedCenter]
 188                         sendTwoTierAEWithRequestedKeyForNumber:@"pDur" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 189     long current = [[ITAppleEventCenter sharedCenter]
 190                         sendAEWithRequestedKeyForNumber:@"pPos" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 191
 192     return [[NSNumber numberWithLong:duration - current] stringValue];
 193 }
 194
 195 - (float)currentSongRating
 196 {
 197     return [[ITAppleEventCenter sharedCenter]
 198                 sendTwoTierAEWithRequestedKeyForNumber:@"pRte" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN] / 100;
 199 }
 200
 201 - (BOOL)setCurrentSongRating:(float)rating
 202 {
 203     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"data:long(%lu), ----:obj { form:'prop', want:type('prop'), seld:type('pRte'), from:obj { form:'indx', want:type('cTrk'), seld:long(%lu), from:obj { form:'indx', want:type('cPly'), seld:long(%lu), from:'null'() } } }",(long)rating*100,[self currentSongIndex],[self currentPlaylistIndex]] eventClass:@"core" eventID:@"setd" appPSN:iTunesPSN];
 204     return YES;
 205 }
 206
 207 - (BOOL)equalizerEnabled
 208 {
 209     return [[ITAppleEventCenter sharedCenter]
 210                         sendAEWithRequestedKeyForNumber:@"pEQ " eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 211 }
 212
 213 - (BOOL)setEqualizerEnabled:(BOOL)enabled
 214 {
 215 [[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];
 216 }
 217
 218 - (NSArray *)eqPresets
 219 {
 220     int i;
 221     long numPresets = [[ITAppleEventCenter sharedCenter] sendAEWithSendStringForNumber:@"kocl:type('cEQP'), '----':(), &subj:()" eventClass:@"core" eventID:@"cnte" appPSN:iTunesPSN];
 222     NSMutableArray *presets = [[NSMutableArray alloc] initWithCapacity:numPresets];
 223
 224     for (i = 1; i <= numPresets; i++) {
 225         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];
 226         if (theObj) {
 227             [presets addObject:theObj];
 228         }
 229     }
 230     return [presets autorelease];
 231 }
 232
 233 - (int)currentEQPresetIndex
 234 {
 235     int result;
 236     result = [[ITAppleEventCenter sharedCenter]
 237                 sendTwoTierAEWithRequestedKeyForNumber:@"pidx" fromObjectByKey:@"pEQP" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 238     return result;
 239 }
 240
 241 - (float)volume
 242 {
 243     long vol = [[ITAppleEventCenter sharedCenter] sendAEWithRequestedKeyForNumber:@"pVol" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 244     return vol / 100;
 245 }
 246
 247 - (BOOL)setVolume:(float)volume
 248 {
 249     [[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];
 250     return NO;
 251 }
 252
 253 - (BOOL)shuffleEnabled
 254 {
 255     int result = [[ITAppleEventCenter sharedCenter]
 256                 sendTwoTierAEWithRequestedKeyForNumber:@"pShf" fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 257     return result;
 258 }
 259
 260 - (BOOL)setShuffleEnabled:(BOOL)enabled
 261 {
 262     [[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];
 263 }
 264
 265 - (ITMTRemotePlayerRepeatMode)repeatMode
 266 {
 267     FourCharCode m00f;
 268     int result;
 269     m00f = [[ITAppleEventCenter sharedCenter]
 270                 sendTwoTierAEWithRequestedKeyForNumber:@"pRpt" fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 271
 272     switch (m00f)
 273            {
 274            case 'kRp0':
 275                   result = ITMTRemotePlayerRepeatOff;
 276                   break;
 277            case 'kRp1':
 278                   result = ITMTRemotePlayerRepeatOne;
 279                   break;
 280            case 'kRpA':
 281                   result = ITMTRemotePlayerRepeatAll;
 282                   break;
 283            }
 284
 285     return result;
 286 }
 287
 288 - (BOOL)setRepeatMode:(ITMTRemotePlayerRepeatMode)repeatMode
 289 {
 290     FourCharCode m00f;
 291     switch (repeatMode)
 292            {
 293            case ITMTRemotePlayerRepeatOff:
 294                   m00f = 'kRp0';
 295                   break;
 296            case ITMTRemotePlayerRepeatOne:
 297                   m00f = 'kRp1';
 298                   break;
 299            case ITMTRemotePlayerRepeatAll:
 300                   m00f = 'kRpA';
 301                   break;
 302            }
 303
 304     [[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];
 305
 306 }
 307
 308 - (BOOL)play
 309 {
 310     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Play" appPSN:iTunesPSN];
 311     return YES;
 312 }
 313
 314 - (BOOL)pause
 315 {
 316     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Paus" appPSN:iTunesPSN];
 317     return YES;
 318 }
 319
 320 - (BOOL)goToNextSong
 321 {
 322     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Next" appPSN:iTunesPSN];
 323     return YES;
 324 }
 325
 326 - (BOOL)goToPreviousSong
 327 {
 328     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Prev" appPSN:iTunesPSN];
 329     return YES;
 330 }
 331
 332 - (BOOL)forward
 333 {
 334     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Fast" appPSN:iTunesPSN];
 335     return YES;
 336 }
 337
 338 - (BOOL)rewind
 339 {
 340     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Rwnd" appPSN:iTunesPSN];
 341     return YES;
 342 }
 343
 344 - (BOOL)switchToPlaylistAtIndex:(int)index
 345 {
 346     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"'----':obj { form:'indx', want:type('cPly'), seld:long(%lu), from:() }",index] eventClass:@"hook" eventID:@"Play" appPSN:iTunesPSN];
 347     return YES;
 348 }
 349
 350 - (BOOL)switchToSongAtIndex:(int)index
 351 {
 352     [[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];
 353     return YES;
 354 }
 355
 356 - (BOOL)switchToEQAtIndex:(int)index
 357 {
 358     [[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];
 359     return YES;
 360 }
 361
 362 - (ProcessSerialNumber)iTunesPSN
 363 {
 364     NSArray *apps = [[NSWorkspace sharedWorkspace] launchedApplications];
 365     ProcessSerialNumber number;
 366     int i;
 367     int count = [apps count];
 368
 369     number.highLongOfPSN = kNoProcess;
 370
 371     for (i = 0; i < count; i++)
 372     {
 373         NSDictionary *curApp = [apps objectAtIndex:i];
 374
 375         if ([[curApp objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"])
 376         {
 377             number.highLongOfPSN = [[curApp objectForKey:
 378                 @"NSApplicationProcessSerialNumberHigh"] intValue];
 379             number.lowLongOfPSN = [[curApp objectForKey:
 380                 @"NSApplicationProcessSerialNumberLow"] intValue];
 381         }
 382     }
 383     return number;
 384 }
 385
 386 - (void)applicationLaunched:(NSNotification *)note
 387 {
 388     NSDictionary *info = [note userInfo];
 389
 390     if ([[info objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"]) {
 391         iTunesPSN.highLongOfPSN = [[info objectForKey:@"NSApplicationProcessSerialNumberHigh"] longValue];
 392         iTunesPSN.lowLongOfPSN = [[info objectForKey:@"NSApplicationProcessSerialNumberLow"] longValue];
 393
 394         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTRemoteAppDidLaunchNotification" object:nil];
 395     }
 396 }
 397
 398 - (void)applicationTerminated:(NSNotification *)note
 399 {
 400     NSDictionary *info = [note userInfo];
 401
 402     if ([[info objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"]) {
 403         iTunesPSN.highLongOfPSN = kNoProcess;
 404         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTRemoteAppDidTerminateNotification" object:nil];
 405     }
 406 }
 407
 408 @end