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:long(%lu), from:'null'() } }",(unsigned long)j];
  92                   NSString *theObj = [[ITAppleEventCenter sharedCenter] sendAEWithSendString:sendStr eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN] fixForAECrappiness:i];
  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:long(\%lu), from:'null'() }",index] eventClass:@"core" eventID:@"cnte" appPSN:[self iTunesPSN]]
 103
 104 ;
 105 }
 106
 107 - (NSString *)classOfPlaylistAtIndex:(int)index
 108 {
 109     int realResult = [[ITAppleEventCenter sharedCenter]
 110                 sendTwoTierAEWithRequestedKeyForNumber:@"pcls" fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 111
 112     if (realResult == 'cRTP') return @"radio tuner playlist";
 113     else return @"playlist";
 114 }
 115
 116 - (int)currentPlaylistIndex
 117 {
 118     int result;
 119     result = [[ITAppleEventCenter sharedCenter]
 120                 sendTwoTierAEWithRequestedKeyForNumber:@"pidx" fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 121     return result;
 122 }
 123
 124 - (NSString *)songTitleAtIndex:(int)index
 125 {
 126     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:[self iTunesPSN]];
 127 }
 128
 129 - (int)currentSongIndex
 130 {
 131     int result;
 132     result = [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKeyForNumber:@"pidx" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 133     return result;
 134 }
 135
 136 - (NSString *)currentSongTitle
 137 {
 138     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pnam" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 139 }
 140
 141 - (NSString *)currentSongArtist
 142 {
 143     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pArt" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 144 }
 145
 146 - (NSString *)currentSongAlbum
 147 {
 148     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pAlb" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 149 }
 150
 151 - (NSString *)currentSongGenre
 152 {
 153     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pGen" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 154 }
 155
 156 - (NSString *)currentSongLength
 157 {
 158     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pTim" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 159 }
 160
 161 - (NSString *)currentSongRemaining
 162 {
 163     long duration = [[ITAppleEventCenter sharedCenter]
 164                         sendTwoTierAEWithRequestedKeyForNumber:@"pDur" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 165     long current = [[ITAppleEventCenter sharedCenter]
 166                         sendAEWithRequestedKeyForNumber:@"pPos" eventClass:@"core" eventID:@"getd" appPSN:[self iTunesPSN]];
 167
 168     return [[NSNumber numberWithLong:duration - current] stringValue];
 169 }
 170
 171 - (NSArray *)eqPresets;
 172 {
 173     int i;
 174     long numPresets = [[ITAppleEventCenter sharedCenter] sendAEWithSendStringForNumber:@"kocl:type('cEQP'), '----':(), &subj:()" eventClass:@"core" eventID:@"cnte" appPSN:[self iTunesPSN]];
 175     NSMutableArray *presets = [[NSMutableArray alloc] initWithCapacity:numPresets];
 176
 177
 178            for (i = 0; i < numPresets; i++) {
 179                   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:[self iTunesPSN] fixForAECrappiness:i];
 180                   if (theObj) [presets addObject:theObj];
 181            }
 182            return [presets autorelease];
 183 }
 184
 185 - (int)currentEQPresetIndex
 186 {
 187     int result;
 188     result = [[ITAppleEventCenter sharedCenter]
 189                 sendTwoTierAEWithRequestedKeyForNumber:@"pidx"
 190                                                                                                           fromObjectByKey:@"pEQP" eventClass:@"core" eventID:@"getd"
 191                                                                                                                                     appPSN:[self iTunesPSN]];
 192     return result;
 193 }
 194
 195 - (BOOL)play
 196 {
 197     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Play"
 198                                                                                                                                                    appPSN:[self iTunesPSN]];
 199     return YES;
 200 }
 201
 202 - (BOOL)pause
 203 {
 204     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Paus"
 205                                                                                                                                                    appPSN:[self iTunesPSN]];
 206     return YES;
 207 }
 208
 209 - (BOOL)goToNextSong
 210 {
 211     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Next"
 212                                                                                                                                                    appPSN:[self iTunesPSN]];
 213     return YES;
 214 }
 215
 216 - (BOOL)goToPreviousSong
 217 {
 218     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Prev"
 219                                                                                                                                                    appPSN:[self iTunesPSN]];
 220     return YES;
 221 }
 222
 223 - (BOOL)fastForward
 224 {
 225     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Fast"
 226                                                                                                                                                    appPSN:[self iTunesPSN]];
 227     return YES;
 228 }
 229
 230 - (BOOL)rewind
 231 {
 232     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Rwnd"
 233                                                                                                                                                    appPSN:[self iTunesPSN]];
 234     return YES;
 235 }
 236
 237
 238 - (BOOL)switchToPlaylistAtIndex:(int)index
 239 {
 240     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"'----':obj { form:'name', want:type('cPly'), seld:long(\%lu), from:'null'() }",index] eventClass:@"hook" eventID:@"Play" appPSN:[self iTunesPSN]];
 241     return NO;
 242 }
 243
 244 - (BOOL)switchToSongAtIndex:(int)index
 245 {
 246     [[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:'null'() } }",index] eventClass:@"hook" eventID:@"Play" appPSN:[self iTunesPSN]];
 247     return NO;
 248 }
 249
 250 - (BOOL)switchToEQAtIndex:(int)index
 251 {
 252     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"data:obj { form:'name', 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:[self iTunesPSN]];
 253     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:@"data:1, '----':obj { form:'prop', want:type('prop'), seld:type('pEQ '), from:'null'() }" eventClass:@"core" eventID:@"setd" appPSN:[self iTunesPSN]];
 254     return NO;
 255 }
 256
 257 - (ProcessSerialNumber)iTunesPSN
 258 {
 259     NSArray *apps = [[NSWorkspace sharedWorkspace] launchedApplications];
 260     ProcessSerialNumber number;
 261     int i, count = [apps count];
 262
 263                number.highLongOfPSN = kNoProcess;
 264
 265                for (i = 0; i < count; i++)
 266                       {
 267                           NSDictionary *curApp = [apps objectAtIndex:i];
 268
 269                                  if ([[curApp objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"])
 270                                      {
 271                                                 number.highLongOfPSN = [[curApp objectForKey:@"NSApplicationProcessSerialNumberHigh"] intValue];
 272                                                 number.lowLongOfPSN = [[curApp objectForKey:@"NSApplicationProcessSerialNumberLow"] intValue];
 273                                             }
 274                              }
 275     return number;}
 276
 277 - (void)applicationLaunched:(NSNotification *)note
 278 {
 279     NSDictionary *info = [note userInfo];
 280
 281     if ([[info objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"]) {
 282         iTunesPSN.highLongOfPSN = [[info objectForKey:@"NSApplicationProcessSerialNumberHigh"] longValue];
 283         iTunesPSN.lowLongOfPSN = [[info objectForKey:@"NSApplicationProcessSerialNumberLow"] longValue];
 284
 285         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTRemoteAppDidLaunchNotification" object:nil];
 286     }
 287 }
 288
 289 - (void)applicationTerminated:(NSNotification *)note
 290 {
 291     NSDictionary *info = [note userInfo];
 292
 293     if ([[info objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"]) {
 294         iTunesPSN.highLongOfPSN = kNoProcess;
 295         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTRemoteAppDidTerminateNotification" object:nil];
 296     }
 297 }
 298
 299 @end