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 nil;
  58 }
  59
  60 - (ITMTRemotePlayerRunningStatus)playerRunningState
  61 {
  62     NSArray *apps = [[NSWorkspace sharedWorkspace] launchedApplications];
  63     int i;
  64     int count = [apps count];
  65
  66     for (i = 0; i < count; i++) {
  67         if ([[[apps objectAtIndex:i] objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"]) {
  68             return ITMTRemotePlayerRunning;
  69         }
  70     }
  71     return ITMTRemotePlayerNotRunning;
  72 }
  73
  74 - (ITMTRemotePlayerPlayingState)playerPlayingState
  75 {
  76     long result = [[ITAppleEventCenter sharedCenter] sendAEWithSendStringForNumber:@"'----':obj { form:'prop', want:type('prop'), seld:type('pPlS'), from:'null'() }" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
  77
  78     switch (result)
  79     {
  80         default:
  81         case 'kPSS':
  82             return ITMTRemotePlayerStopped;
  83         case 'kPSP':
  84             return ITMTRemotePlayerPlaying;
  85         case 'kPSp':
  86             return ITMTRemotePlayerPaused;
  87         case 'kPSR':
  88             return ITMTRemotePlayerRewinding;
  89         case 'kPSF':
  90             return ITMTRemotePlayerForwarding;
  91     }
  92
  93     return ITMTRemotePlayerStopped;
  94 }
  95
  96 - (NSArray *)playlists
  97 {
  98     long i = 0;
  99     const signed long numPlaylists = [[ITAppleEventCenter sharedCenter] sendAEWithSendStringForNumber:@"kocl:type('cPly'), '----':(), &subj:()" eventClass:@"core" eventID:@"cnte" appPSN:iTunesPSN];
 100     NSMutableArray *playlists = [[NSMutableArray alloc] initWithCapacity:numPlaylists];
 101
 102     for (i = 1; i <= numPlaylists; i++) {
 103         const long j = i;
 104         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];
 105         NSString *theObj = [[ITAppleEventCenter sharedCenter] sendAEWithSendString:sendStr eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 106         [playlists addObject:theObj];
 107     }
 108     return [playlists autorelease];
 109 }
 110
 111 - (int)numberOfSongsInPlaylistAtIndex:(int)index
 112 {
 113     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];
 114 }
 115
 116 - (NSString *)classOfPlaylistAtIndex:(int)index
 117 {
 118     int realResult = [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKeyForNumber:@"pcls" fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 119
 120     if (realResult == 'cRTP') {
 121         return @"radio tuner playlist";
 122     } else {
 123         return @"playlist";
 124     }
 125 }
 126
 127 - (int)currentPlaylistIndex
 128 {
 129     int result;
 130     result = [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKeyForNumber:@"pidx" fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 131     return result;
 132 }
 133
 134 - (NSString *)songTitleAtIndex:(int)index
 135 {
 136     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];
 137 }
 138
 139 - (int)currentSongIndex
 140 {
 141     int result;
 142     result = [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKeyForNumber:@"pidx" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 143     return result;
 144 }
 145
 146 - (NSString *)currentSongTitle
 147 {
 148     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pnam" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 149 }
 150
 151 - (NSString *)currentSongArtist
 152 {
 153     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pArt" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 154 }
 155
 156 - (NSString *)currentSongAlbum
 157 {
 158     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pAlb" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 159 }
 160
 161 - (NSString *)currentSongGenre
 162 {
 163     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pGen" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 164 }
 165
 166 - (NSString *)currentSongLength
 167 {
 168     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pTim" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 169 }
 170
 171 - (NSString *)currentSongRemaining
 172 {
 173     long duration = [[ITAppleEventCenter sharedCenter]
 174                         sendTwoTierAEWithRequestedKeyForNumber:@"pDur" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 175     long current = [[ITAppleEventCenter sharedCenter]
 176                         sendAEWithRequestedKeyForNumber:@"pPos" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 177
 178     return [[NSNumber numberWithLong:duration - current] stringValue];
 179 }
 180
 181 - (float)currentSongRating
 182 {
 183     int realResult = [[ITAppleEventCenter sharedCenter]
 184                 sendTwoTierAEWithRequestedKeyForNumber:@"pRte" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 185
 186     return realResult / 100;
 187 }
 188
 189 - (BOOL)setCurrentSongRating:(float)rating
 190 {
 191     [[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];
 192     return YES;
 193 }
 194
 195 - (BOOL)equalizerEnabled
 196 {
 197     return NO;
 198 }
 199
 200 - (BOOL)setEqualizerEnabled:(BOOL)enabled
 201 {
 202     return NO;
 203 }
 204
 205 - (NSArray *)eqPresets
 206 {
 207     int i;
 208     long numPresets = [[ITAppleEventCenter sharedCenter] sendAEWithSendStringForNumber:@"kocl:type('cEQP'), '----':(), &subj:()" eventClass:@"core" eventID:@"cnte" appPSN:iTunesPSN];
 209     NSMutableArray *presets = [[NSMutableArray alloc] initWithCapacity:numPresets];
 210
 211     for (i = 1; i <= numPresets; i++) {
 212         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];
 213         if (theObj) {
 214             [presets addObject:theObj];
 215         }
 216     }
 217     return [presets autorelease];
 218 }
 219
 220 - (int)currentEQPresetIndex
 221 {
 222     int result;
 223     result = [[ITAppleEventCenter sharedCenter]
 224                 sendTwoTierAEWithRequestedKeyForNumber:@"pidx" fromObjectByKey:@"pEQP" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 225     return result;
 226 }
 227
 228 - (float)volume
 229 {
 230     long vol = [[ITAppleEventCenter sharedCenter] sendAEWithRequestedKeyForNumber:@"pVol" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 231     return vol / 100;
 232 }
 233
 234 - (BOOL)setVolume:(float)volume
 235 {
 236     [[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];
 237     return NO;
 238 }
 239
 240 - (BOOL)play
 241 {
 242     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Play" appPSN:iTunesPSN];
 243     return YES;
 244 }
 245
 246 - (BOOL)pause
 247 {
 248     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Paus" appPSN:iTunesPSN];
 249     return YES;
 250 }
 251
 252 - (BOOL)goToNextSong
 253 {
 254     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Next" appPSN:iTunesPSN];
 255     return YES;
 256 }
 257
 258 - (BOOL)goToPreviousSong
 259 {
 260     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Prev" appPSN:iTunesPSN];
 261     return YES;
 262 }
 263
 264 - (BOOL)forward
 265 {
 266     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Fast" appPSN:iTunesPSN];
 267     return YES;
 268 }
 269
 270 - (BOOL)rewind
 271 {
 272     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Rwnd" appPSN:iTunesPSN];
 273     return YES;
 274 }
 275
 276 - (BOOL)switchToPlaylistAtIndex:(int)index
 277 {
 278     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"'----':obj { form:'indx', want:type('cPly'), seld:long(%lu), from:() }",index] eventClass:@"hook" eventID:@"Play" appPSN:iTunesPSN];
 279     return YES;
 280 }
 281
 282 - (BOOL)switchToSongAtIndex:(int)index
 283 {
 284     [[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];
 285     return YES;
 286 }
 287
 288 - (BOOL)switchToEQAtIndex:(int)index
 289 {
 290     [[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];
 291     return YES;
 292 }
 293
 294 - (ProcessSerialNumber)iTunesPSN
 295 {
 296     NSArray *apps = [[NSWorkspace sharedWorkspace] launchedApplications];
 297     ProcessSerialNumber number;
 298     int i;
 299     int count = [apps count];
 300
 301     number.highLongOfPSN = kNoProcess;
 302
 303     for (i = 0; i < count; i++)
 304     {
 305         NSDictionary *curApp = [apps objectAtIndex:i];
 306
 307         if ([[curApp objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"])
 308         {
 309             number.highLongOfPSN = [[curApp objectForKey:
 310                 @"NSApplicationProcessSerialNumberHigh"] intValue];
 311             number.lowLongOfPSN = [[curApp objectForKey:
 312                 @"NSApplicationProcessSerialNumberLow"] intValue];
 313         }
 314     }
 315     return number;
 316 }
 317
 318 - (void)applicationLaunched:(NSNotification *)note
 319 {
 320     NSDictionary *info = [note userInfo];
 321
 322     if ([[info objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"]) {
 323         iTunesPSN.highLongOfPSN = [[info objectForKey:@"NSApplicationProcessSerialNumberHigh"] longValue];
 324         iTunesPSN.lowLongOfPSN = [[info objectForKey:@"NSApplicationProcessSerialNumberLow"] longValue];
 325
 326         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTRemoteAppDidLaunchNotification" object:nil];
 327     }
 328 }
 329
 330 - (void)applicationTerminated:(NSNotification *)note
 331 {
 332     NSDictionary *info = [note userInfo];
 333
 334     if ([[info objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"]) {
 335         iTunesPSN.highLongOfPSN = kNoProcess;
 336         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTRemoteAppDidTerminateNotification" object:nil];
 337     }
 338 }
 339
 340 @end