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;
  50     int count = [apps count];
  51
  52     for (i = 0; i < count; i++) {
  53         if ([[[apps objectAtIndex:i] objectForKey:@"NSApplicationName"]
  54                 isEqualToString:@"iTunes"]) {
  55             return YES;
  56         }
  57     }
  58     return NO;
  59 }
  60
  61 - (PlayerState)playerState
  62 {
  63     long result = [[ITAppleEventCenter sharedCenter] sendAEWithSendStringForNumber:@"'----':obj { form:'prop', want:type('prop'), seld:type('pPlS'), from:'null'() }" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
  64
  65     switch (result)
  66     {
  67         default:
  68         case 'kPSS':
  69             return stopped;
  70         case 'kPSP':
  71             return playing;
  72         case 'kPSp':
  73             return paused;
  74         case 'kPSR':
  75             return rewinding;
  76         case 'kPSF':
  77             return forwarding;
  78     }
  79
  80     return stopped;
  81 }
  82
  83 - (NSArray *)playlists
  84 {
  85     long i = 0;
  86     const signed long numPlaylists = [[ITAppleEventCenter sharedCenter] sendAEWithSendStringForNumber:@"kocl:type('cPly'), '----':(), &subj:()" eventClass:@"core" eventID:@"cnte" appPSN:iTunesPSN];
  87     NSMutableArray *playlists = [[NSMutableArray alloc] initWithCapacity:numPlaylists];
  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:iTunesPSN fixForAECrappiness:i];
  93         [playlists addObject:theObj];
  94     }
  95     return [playlists autorelease];
  96 }
  97
  98 - (int)numberOfSongsInPlaylistAtIndex:(int)index
  99 {
 100     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]
 101
 102 ;
 103 }
 104
 105 - (NSString *)classOfPlaylistAtIndex:(int)index
 106 {
 107     int realResult = [[ITAppleEventCenter sharedCenter]
 108                 sendTwoTierAEWithRequestedKeyForNumber:@"pcls" fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 109
 110     if (realResult == 'cRTP') return @"radio tuner playlist";
 111     else return @"playlist";
 112 }
 113
 114 - (int)currentPlaylistIndex
 115 {
 116     int result;
 117     result = [[ITAppleEventCenter sharedCenter]
 118                 sendTwoTierAEWithRequestedKeyForNumber:@"pidx" fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 119     return result;
 120 }
 121
 122 - (NSString *)songTitleAtIndex:(int)index
 123 {
 124     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];
 125 }
 126
 127 - (int)currentSongIndex
 128 {
 129     int result;
 130     result = [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKeyForNumber:@"pidx" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 131     return result;
 132 }
 133
 134 - (NSString *)currentSongTitle
 135 {
 136     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pnam" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 137 }
 138
 139 - (NSString *)currentSongArtist
 140 {
 141     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pArt" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 142 }
 143
 144 - (NSString *)currentSongAlbum
 145 {
 146     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pAlb" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 147 }
 148
 149 - (NSString *)currentSongGenre
 150 {
 151     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pGen" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 152 }
 153
 154 - (NSString *)currentSongLength
 155 {
 156     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pTim" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 157 }
 158
 159 - (NSString *)currentSongRemaining
 160 {
 161     long duration = [[ITAppleEventCenter sharedCenter]
 162                         sendTwoTierAEWithRequestedKeyForNumber:@"pDur" fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 163     long current = [[ITAppleEventCenter sharedCenter]
 164                         sendAEWithRequestedKeyForNumber:@"pPos" eventClass:@"core" eventID:@"getd" appPSN:iTunesPSN];
 165
 166     return [[NSNumber numberWithLong:duration - current] stringValue];
 167 }
 168
 169 - (NSArray *)eqPresets;
 170 {
 171     int i;
 172     long numPresets = [[ITAppleEventCenter sharedCenter] sendAEWithSendStringForNumber:@"kocl:type('cEQP'), '----':(), &subj:()" eventClass:@"core" eventID:@"cnte" appPSN:iTunesPSN];
 173     NSMutableArray *presets = [[NSMutableArray alloc] initWithCapacity:numPresets];
 174
 175     for (i = 1; i <= numPresets; i++) {
 176         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 fixForAECrappiness:i];
 177         if (theObj) {
 178             [presets addObject:theObj];
 179         }
 180     }
 181     return [presets autorelease];
 182 }
 183
 184 - (int)currentEQPresetIndex
 185 {
 186     int result;
 187     result = [[ITAppleEventCenter sharedCenter]
 188                 sendTwoTierAEWithRequestedKeyForNumber:@"pidx"fromObjectByKey:@"pEQP" eventClass:@"core" eventID:@"getd"appPSN:iTunesPSN];
 189     return result;
 190 }
 191
 192 - (BOOL)play
 193 {
 194     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Play" appPSN:iTunesPSN];
 195     return YES;
 196 }
 197
 198 - (BOOL)pause
 199 {
 200     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Paus" appPSN:iTunesPSN];
 201     return YES;
 202 }
 203
 204 - (BOOL)goToNextSong
 205 {
 206     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Next" appPSN:iTunesPSN];
 207     return YES;
 208 }
 209
 210 - (BOOL)goToPreviousSong
 211 {
 212     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Prev" appPSN:iTunesPSN];
 213     return YES;
 214 }
 215
 216 - (BOOL)fastForward
 217 {
 218     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Fast" appPSN:iTunesPSN];
 219     return YES;
 220 }
 221
 222 - (BOOL)rewind
 223 {
 224     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Rwnd" appPSN:iTunesPSN];
 225     return YES;
 226 }
 227
 228
 229 - (BOOL)switchToPlaylistAtIndex:(int)index
 230 {
 231     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:[NSString stringWithFormat:@"'----':obj { form:'name', want:type('cPly'), seld:long(%lu), from:'null'() }",index] eventClass:@"hook" eventID:@"Play" appPSN:iTunesPSN];
 232     return NO;
 233 }
 234
 235 - (BOOL)switchToSongAtIndex:(int)index
 236 {
 237     [[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:iTunesPSN];
 238     return NO;
 239 }
 240
 241 - (BOOL)switchToEQAtIndex:(int)index
 242 {
 243     [[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:iTunesPSN];
 244     [[ITAppleEventCenter sharedCenter] sendAEWithSendString:@"data:1, '----':obj { form:'prop', want:type('prop'), seld:type('pEQ '), from:'null'() }" eventClass:@"core" eventID:@"setd" appPSN:iTunesPSN];
 245     return NO;
 246 }
 247
 248 - (ProcessSerialNumber)iTunesPSN
 249 {
 250     NSArray *apps = [[NSWorkspace sharedWorkspace] launchedApplications];
 251     ProcessSerialNumber number;
 252     int i;
 253     int count = [apps count];
 254
 255     number.highLongOfPSN = kNoProcess;
 256
 257     for (i = 0; i < count; i++)
 258     {
 259         NSDictionary *curApp = [apps objectAtIndex:i];
 260
 261         if ([[curApp objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"])
 262         {
 263             number.highLongOfPSN = [[curApp objectForKey:
 264                 @"NSApplicationProcessSerialNumberHigh"] intValue];
 265             number.lowLongOfPSN = [[curApp objectForKey:
 266                 @"NSApplicationProcessSerialNumberLow"] intValue];
 267         }
 268     }
 269     return number;
 270 }
 271
 272 - (void)applicationLaunched:(NSNotification *)note
 273 {
 274     NSDictionary *info = [note userInfo];
 275
 276     if ([[info objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"]) {
 277         iTunesPSN.highLongOfPSN = [[info objectForKey:@"NSApplicationProcessSerialNumberHigh"] longValue];
 278         iTunesPSN.lowLongOfPSN = [[info objectForKey:@"NSApplicationProcessSerialNumberLow"] longValue];
 279
 280         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTRemoteAppDidLaunchNotification" object:nil];
 281     }
 282 }
 283
 284 - (void)applicationTerminated:(NSNotification *)note
 285 {
 286     NSDictionary *info = [note userInfo];
 287
 288     if ([[info objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"]) {
 289         iTunesPSN.highLongOfPSN = kNoProcess;
 290         [[NSNotificationCenter defaultCenter] postNotificationName:@"ITMTRemoteAppDidTerminateNotification" object:nil];
 291     }
 292 }
 293
 294 @end