#import "iTunesRemote.h"
-
@implementation iTunesRemote
++ (id)remote
+{
+ return [[[iTunesRemote alloc] init] autorelease];
+}
+
+- (NSString *)title
+{
+ return @"iTunes Plug-in";
+}
+
+- (NSString *)information;
+{
+ return @"Default MenuTunes plugin to control iTunes.";
+}
+
+- (NSImage *)icon
+{
+ return nil;
+}
+
+- (BOOL)begin
+{
+ iTunesPSN = [self iTunesPSN];
+ asComponent = OpenDefaultComponent(kOSAComponentType, kAppleScriptSubtype);
+
+ //Register for application termination in NSWorkspace
+
+ NSLog(@"iTunes Plugin loaded");
+ return YES;
+}
+
+- (BOOL)halt
+{
+ iTunesPSN.highLongOfPSN = kNoProcess;
+ CloseComponent(asComponent);
+
+ //Unregister for application termination in NSWorkspace
+ return YES;
+}
+
+- (PlayerState)playerState
+{
+ NSString *result = [self runScriptAndReturnResult:@"get player state"];
+
+ if ([result isEqualToString:@"playing"]) {
+ return playing;
+ } else if ([result isEqualToString:@"paused"]) {
+ return paused;
+ } else if ([result isEqualToString:@"stopped"]) {
+ return stopped;
+ } else if ([result isEqualToString:@"rewinding"]) {
+ return rewinding;
+ } else if ([result isEqualToString:@"fast forwarding"]) {
+ return forwarding;
+ }
+
+ return stopped;
+}
+
+- (NSArray *)playlists
+{
+ int i;
+ int numPresets = [[self runScriptAndReturnResult:@"get number of playlists"] intValue];
+ NSMutableArray *presets = [[NSMutableArray alloc] init];
+
+ for (i = 0; i < numPresets; i++) {
+ [presets addObject:[self runScriptAndReturnResult:[NSString stringWithFormat:@"get name of playlist %i", i]]];
+ }
+
+ return [NSArray arrayWithArray:presets];
+}
+
+- (int)numberOfSongsInPlaylistAtIndex:(int)index
+{
+ NSString *result = [self runScriptAndReturnResult:[NSString stringWithFormat:@"get number of tracks in playlist %i", index]];
+ return [result intValue];
+}
+
+- (NSString *)classOfPlaylistAtIndex:(int)index
+{
+ //Not working yet. It returns the 4 character code instead of a name.
+ /*NSString *result;
+ result = [[ITAppleEventCenter sharedCenter]
+ sendTwoTierAEWithRequestedKey:@"pcls"
+ fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd"
+ appPSN:[self iTunesPSN]];*/
+ NSString *result = [self runScriptAndReturnResult:[NSString stringWithFormat:@"get class of playlist %i", index]];
+ return result;
+}
+
+- (int)currentPlaylistIndex
+{
+ int result;
+ result = [[ITAppleEventCenter sharedCenter]
+ sendTwoTierAEWithRequestedKeyForNumber:@"pidx"
+ fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd"
+ appPSN:[self iTunesPSN]];
+ return result;
+}
+
+- (NSString *)songTitleAtIndex:(int)index
+{
+ NSString *result = [self runScriptAndReturnResult:[NSString stringWithFormat:@"get name of track %i of current playlist", index]];
+ return result;
+}
+
+- (int)currentSongIndex
+{
+ int result;
+ result = [[ITAppleEventCenter sharedCenter]
+ sendTwoTierAEWithRequestedKeyForNumber:@"pidx"
+ fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
+ appPSN:[self iTunesPSN]];
+ return result;
+}
+
+- (NSString *)currentSongTitle
+{
+ return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pnam"
+ fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
+ appPSN:[self iTunesPSN]];
+}
+
+- (NSString *)currentSongArtist
+{
+ return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pArt"
+ fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
+ appPSN:[self iTunesPSN]];
+}
+
+- (NSString *)currentSongAlbum
+{
+ return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pAlb"
+ fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
+ appPSN:[self iTunesPSN]];
+}
+
+- (NSString *)currentSongGenre
+{
+ return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pGen"
+ fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
+ appPSN:[self iTunesPSN]];
+}
+
+- (NSString *)currentSongLength
+{
+ return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pTim"
+ fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
+ appPSN:[self iTunesPSN]];
+}
+
+- (NSString *)currentSongRemaining
+{
+ long duration = [[ITAppleEventCenter sharedCenter]
+ sendTwoTierAEWithRequestedKeyForNumber:@"pDur"
+ fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
+ appPSN:[self iTunesPSN]];
+ long current = [[ITAppleEventCenter sharedCenter]
+ sendAEWithRequestedKeyForNumber:@"pPos"
+ eventClass:@"core" eventID:@"getd"
+ appPSN:[self iTunesPSN]];
+
+ return [[NSNumber numberWithLong:duration - current] stringValue];
+}
+
+- (NSArray *)eqPresets;
+{
+ int i;
+ int numPresets = [[self runScriptAndReturnResult:@"get number of EQ presets"] intValue];
+ NSMutableArray *presets = [[NSMutableArray alloc] init];
+
+ for (i = 0; i < numPresets; i++) {
+ [presets addObject:[self runScriptAndReturnResult:[NSString stringWithFormat:@"get name of EQ preset %i", i]]];
+ }
+
+ return [NSArray arrayWithArray:presets];
+}
+
+- (int)currentEQPresetIndex
+{
+ int result;
+ result = [[ITAppleEventCenter sharedCenter]
+ sendTwoTierAEWithRequestedKeyForNumber:@"pidx"
+ fromObjectByKey:@"pEQP" eventClass:@"core" eventID:@"getd"
+ appPSN:[self iTunesPSN]];
+ return result;
+}
+
+- (BOOL)play
+{
+ [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Play"
+ appPSN:[self iTunesPSN]];
+ return YES;
+}
+
+- (BOOL)pause
+{
+ [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Paus"
+ appPSN:[self iTunesPSN]];
+ return YES;
+}
+
+- (BOOL)goToNextSong
+{
+ [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Next"
+ appPSN:[self iTunesPSN]];
+ return YES;
+}
+
+- (BOOL)goToPreviousSong
+{
+ [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Prev"
+ appPSN:[self iTunesPSN]];
+ return YES;
+}
+
+- (BOOL)fastForward
+{
+ [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Fast"
+ appPSN:[self iTunesPSN]];
+ return YES;
+}
+
+- (BOOL)rewind
+{
+ [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Rwnd"
+ appPSN:[self iTunesPSN]];
+ return YES;
+}
+
+
+- (BOOL)switchToPlaylistAtIndex:(int)index
+{
+ [self runScriptAndReturnResult:[NSString stringWithFormat:
+ @"play playlist %i", index]];
+ return NO;
+}
+
+- (BOOL)switchToSongAtIndex:(int)index
+{
+ [self runScriptAndReturnResult:[NSString stringWithFormat:
+ @"play track %i of current playlist", index]];
+ return NO;
+}
+
+- (BOOL)switchToEQAtIndex:(int)index
+{
+ [self runScriptAndReturnResult:[NSString stringWithFormat:
+ @"set current EQ preset to EQ preset %i", index]];
+ [self runScriptAndReturnResult:@"set EQ enabled to 1"];
+ return NO;
+}
+
+- (ProcessSerialNumber)iTunesPSN
+{
+ NSArray *apps = [[NSWorkspace sharedWorkspace] launchedApplications];
+ ProcessSerialNumber number;
+ int i;
+
+ number.highLongOfPSN = kNoProcess;
+
+ for (i = 0; i < [apps count]; i++)
+ {
+ NSDictionary *curApp = [apps objectAtIndex:i];
+
+ if ([[curApp objectForKey:@"NSApplicationName"] isEqualToString:@"iTunes"])
+ {
+ number.highLongOfPSN = [[curApp objectForKey:@"NSApplicationProcessSerialNumberHigh"] intValue];
+ number.lowLongOfPSN = [[curApp objectForKey:@"NSApplicationProcessSerialNumberLow"] intValue];
+ }
+ }
+ return number;
+}
+
+- (NSString *)runScriptAndReturnResult:(NSString *)script
+{
+ AEDesc scriptDesc, resultDesc;
+ Size length;
+ NSString *result;
+ Ptr buffer;
+
+ script = [NSString stringWithFormat:@"tell application \"iTunes\"\n%@\nend tell", script];
+
+ AECreateDesc(typeChar, [script cString], [script cStringLength],
+&scriptDesc);
+
+ OSADoScript(asComponent, &scriptDesc, kOSANullScript, typeChar, kOSAModeCanInteract, &resultDesc);
+
+ length = AEGetDescDataSize(&resultDesc);
+ buffer = malloc(length);
+
+ AEGetDescData(&resultDesc, buffer, length);
+ AEDisposeDesc(&scriptDesc);
+ AEDisposeDesc(&resultDesc);
+ result = [NSString stringWithCString:buffer length:length];
+ if ( (! [result isEqualToString:@""]) &&
+ ([result characterAtIndex:0] == '\"') &&
+ ([result characterAtIndex:[result length] - 1] == '\"') ) {
+ result = [result substringWithRange:NSMakeRange(1, [result length] - 2)];
+ }
+ free(buffer);
+ buffer = nil;
+ return result;
+}
@end