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.";
  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
  31     NSLog(@"iTunes Plugin loaded");
  32     return YES;
  33 }
  34
  35 - (BOOL)halt
  36 {
  37     iTunesPSN.highLongOfPSN = kNoProcess;
  38
  39     //Unregister for application termination in NSWorkspace
  40     return YES;
  41 }
  42
  43 - (NSArray *)sources
  44 {
  45     //This is probably unneeded
  46     return nil;
  47 }
  48
  49 - (int)currentSourceIndex
  50 {
  51     //This is probably unneeded
  52     return nil;
  53 }
  54
  55 - (NSArray *)playlistsForCurrentSource
  56 {
  57     //This is probably unneeded
  58     return nil;
  59 }
  60
  61 - (NSString *)sourceTypeOfCurrentPlaylist
  62 {
  63     //Not working yet. It returns the 4 character code instead of a name.
  64     NSString *result;
  65     result = [[ITAppleEventCenter sharedCenter]
  66                 sendTwoTierAEWithRequestedKey:@"pcls"
  67                 fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd"
  68                 appPSN:[self iTunesPSN]];
  69     return result;
  70 }
  71
  72 - (int)currentPlaylistIndex
  73 {
  74     int result;
  75     result = [[ITAppleEventCenter sharedCenter]
  76                 sendTwoTierAEWithRequestedKeyForNumber:@"pidx"
  77                 fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd"
  78                 appPSN:[self iTunesPSN]];
  79     return result;
  80 }
  81
  82 - (NSString *)songTitleAtIndex
  83 {
  84     return nil;
  85 }
  86
  87 - (int)currentSongIndex
  88 {
  89     int result;
  90     result = [[ITAppleEventCenter sharedCenter]
  91                 sendTwoTierAEWithRequestedKeyForNumber:@"pidx"
  92                 fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
  93                 appPSN:[self iTunesPSN]];
  94     return result;
  95 }
  96
  97 - (NSString *)currentSongTitle
  98 {
  99     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pnam"
 100                 fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
 101                 appPSN:[self iTunesPSN]];
 102 }
 103
 104 - (NSString *)currentSongArtist
 105 {
 106     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pArt"
 107                 fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
 108                 appPSN:[self iTunesPSN]];
 109 }
 110
 111 - (NSString *)currentSongAlbum
 112 {
 113     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pAlb"
 114                 fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
 115                 appPSN:[self iTunesPSN]];
 116 }
 117
 118 - (NSString *)currentSongGenre
 119 {
 120     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pGen"
 121                 fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
 122                 appPSN:[self iTunesPSN]];
 123 }
 124
 125 - (NSString *)currentSongLength
 126 {
 127     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pDur"
 128                 fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
 129                 appPSN:[self iTunesPSN]];
 130 }
 131
 132 - (NSString *)currentSongRemaining
 133 {
 134     long duration = [[ITAppleEventCenter sharedCenter]
 135                         sendTwoTierAEWithRequestedKeyForNumber:@"pDur"
 136                         fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
 137                         appPSN:[self iTunesPSN]];
 138     long current = [[ITAppleEventCenter sharedCenter]
 139                         sendAEWithRequestedKeyForNumber:@"pPos"
 140                         eventClass:@"core" eventID:@"getd"
 141                         appPSN:[self iTunesPSN]];
 142
 143     return [[NSNumber numberWithLong:duration - current] stringValue];
 144 }
 145
 146 - (NSArray *)eqPresets;
 147 {
 148     return nil;
 149 }
 150
 151 - (BOOL)play
 152 {
 153     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Play"
 154             appPSN:[self iTunesPSN]];
 155     return YES;
 156 }
 157
 158 - (BOOL)pause
 159 {
 160     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Paus"
 161             appPSN:[self iTunesPSN]];
 162     return YES;
 163 }
 164
 165 - (BOOL)goToNextSong
 166 {
 167     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Next"
 168             appPSN:[self iTunesPSN]];
 169     return YES;
 170 }
 171
 172 - (BOOL)goToPreviousSong
 173 {
 174     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Prev"
 175             appPSN:[self iTunesPSN]];
 176     return YES;
 177 }
 178
 179 - (BOOL)goToNextPlaylist
 180 {
 181     //This is probably unneeded
 182     return NO;
 183 }
 184
 185 - (BOOL)goToPreviousPlaylist
 186 {
 187     //This is probably unneeded
 188     return NO;
 189 }
 190
 191 - (BOOL)switchToSourceAtIndex:(int)index
 192 {
 193     //This is probably unneeded
 194     return NO;
 195 }
 196
 197 - (BOOL)switchToPlaylistAtIndex:(int)index
 198 {
 199     return NO;
 200 }
 201
 202 - (BOOL)switchToSongAtIndex:(int)index
 203 {
 204     return NO;
 205 }
 206
 207 - (BOOL)switchToEQAtIndex:(int)index
 208 {
 209     return NO;
 210 }
 211
 212 - (ProcessSerialNumber)iTunesPSN
 213 {
 214     NSArray *apps = [[NSWorkspace sharedWorkspace] launchedApplications];
 215     ProcessSerialNumber number;
 216     int i;
 217
 218     number.highLongOfPSN = kNoProcess;
 219
 220     for (i = 0; i < [apps count]; i++)
 221     {
 222         NSDictionary *curApp = [apps objectAtIndex:i];
 223
 224         if ([[curApp objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"])
 225         {
 226             number.highLongOfPSN = [[curApp objectForKey:@"NSApplicationProcessSerialNumberHigh"] intValue];
 227             number.lowLongOfPSN = [[curApp objectForKey:@"NSApplicationProcessSerialNumberLow"] intValue];
 228         }
 229     }
 230     return number;
 231 }
 232
 233 @end