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 - (BOOL)showPrimaryInterface
  73 {
  74     // Make this into AppleEvents... shouldn't be too hard, I'm just too tired to do it right now.
  75     //tell application "iTunes"
  76     //  set frontmost to true
  77     //  set visible of browser window 1 to true
  78     //  set minimized of browser window 1 to false
  79     //  set view of browser window 1 to (playlist (index of current playlist))
  80     //end tell
  81     return NO;
  82 }
  83
  84 - (ITMTRemotePlayerRunningState)playerRunningState
  85 {
  86     NSArray *apps = [[NSWorkspace sharedWorkspace] launchedApplications];
  87     int i;
  88     int count = [apps count];
  89
  90     for (i = 0; i < count; i++) {
  91         if ([[[apps objectAtIndex:i] objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"]) {
  92             return ITMTRemotePlayerRunning;
  93         }
  94     }
  95     return ITMTRemotePlayerNotRunning;
  96 }
  97
  98 - (ITMTRemotePlayerPlayingState)playerPlayingState
  99 {
 100     long result = [[ITAppleEventCenter sharedCenter] sendAEWithSendStringForNumber:@"'----':obj { form:'prop', want:type('prop'), seld:type('pPlS'), from:'null'() }" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 101
 102     switch (result)
 103     {
 104         default:
 105         case 'kPSS':
 106             return ITMTRemotePlayerStopped;
 107         case 'kPSP':
 108             return ITMTRemotePlayerPlaying;
 109         case 'kPSp':
 110             return ITMTRemotePlayerPaused;
 111         case 'kPSR':
 112             return ITMTRemotePlayerRewinding;
 113         case 'kPSF':
 114             return ITMTRemotePlayerForwarding;
 115     }
 116
 117     return ITMTRemotePlayerStopped;
 118 }
 119
 120 - (NSArray *)playlists
 121 {
 122     long i = 0;
 123     const signed long numPlaylists = [[ITAppleEventCenter sharedCenter] sendAEWithSendStringForNumber:@"kocl:type('cPly'), '----':(), &subj:()" eventClass:@"core" eventID:@"cnte" appPSN:iTunesPSN];
 124     NSMutableArray *playlists = [[NSMutableArray alloc] initWithCapacity:numPlaylists];
 125
 126     for (i = 1; i <= numPlaylists; i++) {
 127         const long j = i;
 128         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];
 129         NSString *theObj = [[ITAppleEventCenter sharedCenter] sendAEWithSendString:sendStr eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 130         [playlists addObject:theObj];
 131     }
 132     return [playlists autorelease];
 133 }
 134
 135 - (int)numberOfSongsInPlaylistAtIndex:(int)index
 136 {
 137     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];
 138 }
 139
 140 - (ITMTRemotePlayerPlaylistClass)classOfPlaylistAtIndex:(int)index
 141 {
 142     int realResult = [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKeyForNumber:@"pcls" fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 143
 144
 145     switch (realResult)
 146            {
 147            case 'cLiP':
 148                   return ITMTRemotePlayerLibraryPlaylist;
 149                   break;
 150            case 'cRTP':
 151                   return ITMTRemotePlayerRadioPlaylist;
 152                   break;
 153            default:
 154                   return ITMTRemotePlayerPlaylist;
 155            }
 156 }
 157
 158 - (int)currentPlaylistIndex
 159 {
 160     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKeyForNumber:@"pidx" fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 161 }
 162
 163 - (NSString *)songTitleAtIndex:(int)index
 164 {
 165     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];
 166 }
 167
 168 - (int)currentSongIndex
 169 {
 170     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKeyForNumber:@"pidx" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 171 }
 172
 173 - (NSString *)currentSongTitle
 174 {
 175     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pnam" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 176 }
 177
 178 - (NSString *)currentSongArtist
 179 {
 180     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pArt" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 181 }
 182
 183 - (NSString *)currentSongAlbum
 184 {
 185     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pAlb" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 186 }
 187
 188 - (NSString *)currentSongGenre
 189 {
 190     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pGen" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 191 }
 192
 193 - (NSString *)currentSongLength
 194 {
 195     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pTim" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 196 }
 197
 198 - (NSString *)currentSongRemaining
 199 {
 200     long duration = [[ITAppleEventCenter sharedCenter]
 201                         sendTwoTierAEWithRequestedKeyForNumber:@"pDur" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 202     long current = [[ITAppleEventCenter sharedCenter]
 203                         sendAEWithRequestedKeyForNumber:@"pPos" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 204
 205     return [[NSNumber numberWithLong:duration - current] stringValue];
 206 }
 207
 208 - (float)currentSongRating
 209 {
 210     return [[ITAppleEventCenter sharedCenter]
 211                 sendTwoTierAEWithRequestedKeyForNumber:@"pRte" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN] / 100;
 212 }
 213
 214 - (BOOL)setCurrentSongRating:(float)rating
 215 {
 216     [[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:'prop', want:type('prop'), seld:type('pPla'), from:'null'() } } }",(long)(rating*100),[self currentSongIndex]] eventClass:@"core" eventID:@"setd" appPSN:iTunesPSN];
 217     return YES;
 218 }
 219
 220 - (BOOL)equalizerEnabled
 221 {
 222     return [[ITAppleEventCenter sharedCenter]
 223                         sendAEWithRequestedKeyForNumber:@"pEQ " eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 224 }
 225
 226 - (BOOL)setEqualizerEnabled:(BOOL)enabled
 227 {
 228 [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"data:long(%lu), '----':obj { form:'prop', want:type('prop'), seld:type('pEQ '), from:'null'() }",enabled] eventClass:@"core" eventID:@"setd" appPSN:iTunesPSN];
 229 }
 230
 231 - (NSArray *)eqPresets
 232 {
 233     int i;
 234     long numPresets = [[ITAppleEventCenter sharedCenter] sendAEWithSendStringForNumber:@"kocl:type('cEQP'), '----':(), &subj:()" eventClass:@"core" eventID:@"cnte" appPSN:iTunesPSN];
 235     NSMutableArray *presets = [[NSMutableArray alloc] initWithCapacity:numPresets];
 236
 237     for (i = 1; i <= numPresets; i++) {
 238         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];
 239         if (theObj) {
 240             [presets addObject:theObj];
 241         }
 242     }
 243     return [presets autorelease];
 244 }
 245
 246 - (int)currentEQPresetIndex
 247 {
 248     int result;
 249     result = [[ITAppleEventCenter sharedCenter]
 250                 sendTwoTierAEWithRequestedKeyForNumber:@"pidx" fromObjectByKey:@"pEQP" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 251     return result;
 252 }
 253
 254 - (float)volume
 255 {
 256     long vol = [[ITAppleEventCenter sharedCenter] sendAEWithRequestedKeyForNumber:@"pVol" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 257     return vol / 100;
 258 }
 259
 260 - (BOOL)setVolume:(float)volume
 261 {
 262     [[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];
 263     return NO;
 264 }
 265
 266 - (BOOL)shuffleEnabled
 267 {
 268     int result = [[ITAppleEventCenter sharedCenter]
 269                 sendTwoTierAEWithRequestedKeyForNumber:@"pShf" fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 270     return result;
 271 }
 272
 273 - (BOOL)setShuffleEnabled:(BOOL)enabled
 274 {
 275     [[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];
 276 }
 277
 278 - (ITMTRemotePlayerRepeatMode)repeatMode
 279 {
 280     FourCharCode m00f;
 281     int result;
 282     m00f = [[ITAppleEventCenter sharedCenter]
 283                 sendTwoTierAEWithRequestedKeyForNumber:@"pRpt" fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 284
 285     switch (m00f)
 286            {
 287            case 'kRp0':
 288                   result = ITMTRemotePlayerRepeatOff;
 289                   break;
 290            case 'kRp1':
 291                   result = ITMTRemotePlayerRepeatOne;
 292                   break;
 293            case 'kRpA':
 294                   result = ITMTRemotePlayerRepeatAll;
 295                   break;
 296            }
 297
 298     return result;
 299 }
 300
 301 - (BOOL)setRepeatMode:(ITMTRemotePlayerRepeatMode)repeatMode
 302 {
 303     FourCharCode m00f;
 304     switch (repeatMode)
 305            {
 306            case ITMTRemotePlayerRepeatOff:
 307                   m00f = 'kRp0';
 308                   break;
 309            case ITMTRemotePlayerRepeatOne:
 310                   m00f = 'kRp1';
 311                   break;
 312            case ITMTRemotePlayerRepeatAll:
 313                   m00f = 'kRpA';
 314                   break;
 315            }
 316
 317     [[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];
 318
 319 }
 320
 321 - (BOOL)play
 322 {
 323     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Play" appPSN:iTunesPSN];
 324     return YES;
 325 }
 326
 327 - (BOOL)pause
 328 {
 329     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Paus" appPSN:iTunesPSN];
 330     return YES;
 331 }
 332
 333 - (BOOL)goToNextSong
 334 {
 335     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Next" appPSN:iTunesPSN];
 336     return YES;
 337 }
 338
 339 - (BOOL)goToPreviousSong
 340 {
 341     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Prev" appPSN:iTunesPSN];
 342     return YES;
 343 }
 344
 345 - (BOOL)forward
 346 {
 347     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Fast" appPSN:iTunesPSN];
 348     return YES;
 349 }
 350
 351 - (BOOL)rewind
 352 {
 353     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Rwnd" appPSN:iTunesPSN];
 354     return YES;
 355 }
 356
 357 - (BOOL)switchToPlaylistAtIndex:(int)index
 358 {
 359     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"'----':obj { form:'indx', want:type('cPly'), seld:long(%lu), from:() }",index] eventClass:@"hook" eventID:@"Play" appPSN:iTunesPSN];
 360     return YES;
 361 }
 362
 363 - (BOOL)switchToSongAtIndex:(int)index
 364 {
 365     [[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];
 366     return YES;
 367 }
 368
 369 - (BOOL)switchToEQAtIndex:(int)index
 370 {
 371     // index should count from 0, but itunes counts from 1, so let's add 1.
 372     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"'----':obj { form:'prop', want:type('prop'), seld:type('pEQP'), from:'null'() }, data:obj { form:'indx', want:type('cEQP'), seld:long(%lu), from:'null'() }",(index+1)] eventClass:@"core" eventID:@"setd" appPSN:iTunesPSN];
 373     return YES;
 374 }
 375
 376 - (ProcessSerialNumber)iTunesPSN
 377 {
 378     NSArray *apps = [[NSWorkspace sharedWorkspace] launchedApplications];
 379     ProcessSerialNumber number;
 380     int i;
 381     int count = [apps count];
 382
 383     number.highLongOfPSN = kNoProcess;
 384
 385     for (i = 0; i < count; i++)
 386     {
 387         NSDictionary *curApp = [apps objectAtIndex:i];
 388
 389         if ([[curApp objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"])
 390         {
 391             number.highLongOfPSN = [[curApp objectForKey:
 392                 @"NSApplicationProcessSerialNumberHigh"] intValue];
 393             number.lowLongOfPSN = [[curApp objectForKey:
 394                 @"NSApplicationProcessSerialNumberLow"] intValue];
 395         }
 396     }
 397     return number;
 398 }
 399
 400 - (void)applicationLaunched:(NSNotification *)note
 401 {
 402     NSDictionary *info = [note userInfo];
 403
 404     if ([[info objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"]) {
 405         iTunesPSN.highLongOfPSN = [[info objectForKey:@"NSApplicationProcessSerialNumberHigh"] longValue];
 406         iTunesPSN.lowLongOfPSN = [[info objectForKey:@"NSApplicationProcessSerialNumberLow"] longValue];
 407
 408         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTRemoteAppDidLaunchNotification" object:nil];
 409     }
 410 }
 411
 412 - (void)applicationTerminated:(NSNotification *)note
 413 {
 414     NSDictionary *info = [note userInfo];
 415
 416     if ([[info objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"]) {
 417         iTunesPSN.highLongOfPSN = kNoProcess;
 418         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTRemoteAppDidTerminateNotification" object:nil];
 419     }
 420 }
 421
 422 @end