X-Git-Url: http://git.ithinksw.org/MenuTunes.git/blobdiff_plain/31ab86a87f78edfdd32810db1ff708ca8f5eaaca..8c2086efaf1ee7419fc91275fdc7426de3fbe7fd:/iTunesRemote.m

diff --git a/iTunesRemote.m b/iTunesRemote.m
index 36a38db..8745044 100755
--- a/iTunesRemote.m
+++ b/iTunesRemote.m
@@ -1,6 +1,5 @@
 #import "iTunesRemote.h"
 
-
 @implementation iTunesRemote
 
 + (id)remote
@@ -10,12 +9,12 @@
 
 - (NSString *)title
 {
-    return nil;
+    return @"iTunes Plug-in";
 }
 
 - (NSString *)information;
 {
-    return nil;
+    return @"Default MenuTunes plugin to control iTunes.";
 }
 
 - (NSImage *)icon
@@ -25,127 +24,287 @@
 
 - (BOOL)begin
 {
-    return NO;
+    iTunesPSN = [self iTunesPSN];
+    asComponent = OpenDefaultComponent(kOSAComponentType, kAppleScriptSubtype);
+    
+    //Register for application termination in NSWorkspace
+    
+    NSLog(@"iTunes Plugin loaded");
+    return YES;
 }
 
 - (BOOL)halt
 {
-    return NO;
+    iTunesPSN.highLongOfPSN = kNoProcess;
+    CloseComponent(asComponent);
+    
+    //Unregister for application termination in NSWorkspace
+    return YES;
 }
 
-- (NSArray *)sources
+- (PlayerState)playerState
 {
-    return nil;
+    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;
 }
 
-- (int)currentSourceIndex
+- (NSArray *)playlists
 {
-    return nil;
+    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];
 }
 
-- (NSArray *)playlistsForCurrentSource
+- (int)numberOfSongsInPlaylistAtIndex:(int)index
 {
-    return nil;
+    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
 {
-    return nil;
+    int result;
+    result = [[ITAppleEventCenter sharedCenter]
+                sendTwoTierAEWithRequestedKeyForNumber:@"pidx"
+                fromObjectByKey:@"pPla" eventClass:@"core" eventID:@"getd"
+                appPSN:[self iTunesPSN]];
+    return result;
 }
 
-- (NSString *)songTitleAtIndex
+- (NSString *)songTitleAtIndex:(int)index
 {
-    return nil;
+    NSString *result = [self runScriptAndReturnResult:[NSString stringWithFormat:@"get name of track %i of current playlist", index]];
+    return result;
 }
 
 - (int)currentSongIndex
 {
-    return nil;
+    int result;
+    result = [[ITAppleEventCenter sharedCenter]
+                sendTwoTierAEWithRequestedKeyForNumber:@"pidx"
+                fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
+                appPSN:[self iTunesPSN]];
+    return result;
 }
 
 - (NSString *)currentSongTitle
 {
-    return nil;
+    return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pnam"
+                fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
+                appPSN:[self iTunesPSN]];
 }
 
 - (NSString *)currentSongArtist
 {
-    return nil;
+    return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pArt"
+                fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
+                appPSN:[self iTunesPSN]];
 }
 
 - (NSString *)currentSongAlbum
 {
-    return nil;
+    return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pAlb"
+                fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
+                appPSN:[self iTunesPSN]];
 }
 
 - (NSString *)currentSongGenre
 {
-    return nil;
+    return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pGen"
+                fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
+                appPSN:[self iTunesPSN]];
 }
 
 - (NSString *)currentSongLength
 {
-    return nil;
+    return [[ITAppleEventCenter sharedCenter] sendTwoTierAEWithRequestedKey:@"pTim"
+                fromObjectByKey:@"pTrk" eventClass:@"core" eventID:@"getd"
+                appPSN:[self iTunesPSN]];
 }
 
 - (NSString *)currentSongRemaining
 {
-    return nil;
+    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;
 {
-    return nil;
+    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
 {
-    return NO;
+    [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Play"
+            appPSN:[self iTunesPSN]];
+    return YES;
 }
 
 - (BOOL)pause
 {
-    return NO;
+    [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Paus"
+            appPSN:[self iTunesPSN]];
+    return YES;
 }
 
 - (BOOL)goToNextSong
 {
-    return NO;
+    [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Next"
+            appPSN:[self iTunesPSN]];
+    return YES;
 }
 
 - (BOOL)goToPreviousSong
 {
-    return NO;
+    [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Prev"
+            appPSN:[self iTunesPSN]];
+    return YES;
 }
 
-- (BOOL)goToNextPlaylist
+- (BOOL)fastForward
 {
-    return NO;
+    [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Fast"
+            appPSN:[self iTunesPSN]];
+    return YES;
 }
 
-- (BOOL)goToPreviousPlaylist
+- (BOOL)rewind
 {
-    return NO;
+    [[ITAppleEventCenter sharedCenter] sendAEWithEventClass:@"hook" eventID:@"Rwnd"
+            appPSN:[self iTunesPSN]];
+    return YES;
 }
 
-- (BOOL)switchToSourceAtIndex:(int)index
-{
-    return NO;
-}
 
 - (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