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 - (int)numberOfSongsInPlaylistAtIndex:(int)index
  44 {
  45     return [[ITAppleEventCenter sharedCenter]
  46                     sendAEWithSendStringForNumber:@"cPla"
  47                     eventClass:@"core" eventID:@"cnte"
  48                     appPSN:[self iTunesPSN]];
  49 }
  50
  51 - (NSString *)classOfPlaylistAtIndex:(int)index
  52 {
  53     //Not working yet. It returns the 4 character code instead of a name.
  54     NSString *result;
  55     result = [[ITAppleEventCenter sharedCenter]
  56                 sendTwoTierAEWithRequestedKey:@"pcls"
  57                 fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd"
  58                 appPSN:[self iTunesPSN]];
  59     return result;
  60 }
  61
  62 - (int)currentPlaylistIndex
  63 {
  64     int result;
  65     result = [[ITAppleEventCenter sharedCenter]
  66                 sendTwoTierAEWithRequestedKeyForNumber:@"pidx"
  67                 fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd"
  68                 appPSN:[self iTunesPSN]];
  69     return result;
  70 }
  71
  72 - (NSString *)songTitleAtIndex:(int)index
  73 {
  74     return nil;
  75 }
  76
  77 - (int)currentSongIndex
  78 {
  79     int result;
  80     result = [[ITAppleEventCenter sharedCenter]
  81                 sendTwoTierAEWithRequestedKeyForNumber:@"pidx"
  82                 fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
  83                 appPSN:[self iTunesPSN]];
  84     return result;
  85 }
  86
  87 - (NSString *)currentSongTitle
  88 {
  89     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pnam"
  90                 fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
  91                 appPSN:[self iTunesPSN]];
  92 }
  93
  94 - (NSString *)currentSongArtist
  95 {
  96     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pArt"
  97                 fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
  98                 appPSN:[self iTunesPSN]];
  99 }
 100
 101 - (NSString *)currentSongAlbum
 102 {
 103     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pAlb"
 104                 fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
 105                 appPSN:[self iTunesPSN]];
 106 }
 107
 108 - (NSString *)currentSongGenre
 109 {
 110     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pGen"
 111                 fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
 112                 appPSN:[self iTunesPSN]];
 113 }
 114
 115 - (NSString *)currentSongLength
 116 {
 117     return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pDur"
 118                 fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
 119                 appPSN:[self iTunesPSN]];
 120 }
 121
 122 - (NSString *)currentSongRemaining
 123 {
 124     long duration = [[ITAppleEventCenter sharedCenter]
 125                         sendTwoTierAEWithRequestedKeyForNumber:@"pDur"
 126                         fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
 127                         appPSN:[self iTunesPSN]];
 128     long current = [[ITAppleEventCenter sharedCenter]
 129                         sendAEWithRequestedKeyForNumber:@"pPos"
 130                         eventClass:@"core" eventID:@"getd"
 131                         appPSN:[self iTunesPSN]];
 132
 133     return [[NSNumber numberWithLong:duration - current] stringValue];
 134 }
 135
 136 - (NSArray *)eqPresets;
 137 {
 138     return nil;
 139 }
 140
 141 - (BOOL)play
 142 {
 143     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Play"
 144             appPSN:[self iTunesPSN]];
 145     return YES;
 146 }
 147
 148 - (BOOL)pause
 149 {
 150     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Paus"
 151             appPSN:[self iTunesPSN]];
 152     return YES;
 153 }
 154
 155 - (BOOL)goToNextSong
 156 {
 157     [self numberOfSongsInPlaylistAtIndex:1];
 158     //[[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Next"
 159     //        appPSN:[self iTunesPSN]];
 160     return YES;
 161 }
 162
 163 - (BOOL)goToPreviousSong
 164 {
 165     [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Prev"
 166             appPSN:[self iTunesPSN]];
 167     return YES;
 168 }
 169
 170 - (BOOL)switchToPlaylistAtIndex:(int)index
 171 {
 172     return NO;
 173 }
 174
 175 - (BOOL)switchToSongAtIndex:(int)index
 176 {
 177     return NO;
 178 }
 179
 180 - (BOOL)switchToEQAtIndex:(int)index
 181 {
 182     return NO;
 183 }
 184
 185 - (ProcessSerialNumber)iTunesPSN
 186 {
 187     NSArray *apps = [[NSWorkspace sharedWorkspace] launchedApplications];
 188     ProcessSerialNumber number;
 189     int i;
 190
 191     number.highLongOfPSN = kNoProcess;
 192
 193     for (i = 0; i < [apps count]; i++)
 194     {
 195         NSDictionary *curApp = [apps objectAtIndex:i];
 196
 197         if ([[curApp objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"])
 198         {
 199             number.highLongOfPSN = [[curApp objectForKey:@"NSApplicationProcessSerialNumberHigh"] intValue];
 200             number.lowLongOfPSN = [[curApp objectForKey:@"NSApplicationProcessSerialNumberLow"] intValue];
 201         }
 202     }
 203     return number;
 204 }
 205
 206 @end