Works with plain text string

Currentsong.xcodeproj/project.pbxproj

@@ -13,6 +13,8 @@
 		C9E4B3A514B8C440006D7B1F /* Credits.rtf in Resources */ = {isa = PBXBuildFile; fileRef = C9E4B3A314B8C440006D7B1F /* Credits.rtf */; };
 		C9E4B3A814B8C440006D7B1F /* CurrentsongAppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = C9E4B3A714B8C440006D7B1F /* CurrentsongAppDelegate.m */; };
 		C9E4B3AB14B8C440006D7B1F /* MainMenu.xib in Resources */ = {isa = PBXBuildFile; fileRef = C9E4B3A914B8C440006D7B1F /* MainMenu.xib */; };
+		C9E4B3B914B8D469006D7B1F /* ScriptingBridge.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = C9E4B3B814B8D469006D7B1F /* ScriptingBridge.framework */; };
+		C9E4B3BC14B8DAE3006D7B1F /* CurrentsongStatusView.m in Sources */ = {isa = PBXBuildFile; fileRef = C9E4B3BB14B8DAE3006D7B1F /* CurrentsongStatusView.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -21,21 +23,26 @@
 		C9E4B39714B8C440006D7B1F /* AppKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = AppKit.framework; path = System/Library/Frameworks/AppKit.framework; sourceTree = SDKROOT; };
 		C9E4B39814B8C440006D7B1F /* CoreData.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreData.framework; path = System/Library/Frameworks/CoreData.framework; sourceTree = SDKROOT; };
 		C9E4B39914B8C440006D7B1F /* Foundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Foundation.framework; path = System/Library/Frameworks/Foundation.framework; sourceTree = SDKROOT; };
-		C9E4B39C14B8C440006D7B1F /* Currentsong-Info.plist */ = {isa = PBXFileReference; path = "Currentsong-Info.plist"; sourceTree = "<group>"; };
+		C9E4B39C14B8C440006D7B1F /* Currentsong-Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = "Currentsong-Info.plist"; sourceTree = "<group>"; };
 		C9E4B39E14B8C440006D7B1F /* en */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = en; path = en.lproj/InfoPlist.strings; sourceTree = "<group>"; };
 		C9E4B3A014B8C440006D7B1F /* main.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = main.m; sourceTree = "<group>"; };
-		C9E4B3A214B8C440006D7B1F /* Currentsong-Prefix.pch */ = {isa = PBXFileReference; path = "Currentsong-Prefix.pch"; sourceTree = "<group>"; };
+		C9E4B3A214B8C440006D7B1F /* Currentsong-Prefix.pch */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "Currentsong-Prefix.pch"; sourceTree = "<group>"; };
 		C9E4B3A414B8C440006D7B1F /* en */ = {isa = PBXFileReference; lastKnownFileType = text.rtf; name = en; path = en.lproj/Credits.rtf; sourceTree = "<group>"; };
-		C9E4B3A614B8C440006D7B1F /* CurrentsongAppDelegate.h */ = {isa = PBXFileReference; path = CurrentsongAppDelegate.h; sourceTree = "<group>"; };
+		C9E4B3A614B8C440006D7B1F /* CurrentsongAppDelegate.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = CurrentsongAppDelegate.h; sourceTree = "<group>"; };
 		C9E4B3A714B8C440006D7B1F /* CurrentsongAppDelegate.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = CurrentsongAppDelegate.m; sourceTree = "<group>"; };
 		C9E4B3AA14B8C440006D7B1F /* en */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = en; path = en.lproj/MainMenu.xib; sourceTree = "<group>"; };
+		C9E4B3B714B8D42E006D7B1F /* iTunes.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = iTunes.h; sourceTree = "<group>"; };
+		C9E4B3B814B8D469006D7B1F /* ScriptingBridge.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = ScriptingBridge.framework; path = System/Library/Frameworks/ScriptingBridge.framework; sourceTree = SDKROOT; };
+		C9E4B3BA14B8DAE3006D7B1F /* CurrentsongStatusView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CurrentsongStatusView.h; sourceTree = "<group>"; };
+		C9E4B3BB14B8DAE3006D7B1F /* CurrentsongStatusView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = CurrentsongStatusView.m; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
 		C9E4B38D14B8C440006D7B1F /* Frameworks */ = {
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				C9E4B3B914B8D469006D7B1F /* ScriptingBridge.framework in Frameworks */,
 				C9E4B39514B8C440006D7B1F /* Cocoa.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -64,6 +71,7 @@
 			isa = PBXGroup;
 			children = (
 				C9E4B39414B8C440006D7B1F /* Cocoa.framework */,
+				C9E4B3B814B8D469006D7B1F /* ScriptingBridge.framework */,
 				C9E4B39614B8C440006D7B1F /* Other Frameworks */,
 			);
 			name = Frameworks;
@@ -82,8 +90,11 @@
 		C9E4B39A14B8C440006D7B1F /* Currentsong */ = {
 			isa = PBXGroup;
 			children = (
+				C9E4B3B714B8D42E006D7B1F /* iTunes.h */,
 				C9E4B3A614B8C440006D7B1F /* CurrentsongAppDelegate.h */,
 				C9E4B3A714B8C440006D7B1F /* CurrentsongAppDelegate.m */,
+				C9E4B3BA14B8DAE3006D7B1F /* CurrentsongStatusView.h */,
+				C9E4B3BB14B8DAE3006D7B1F /* CurrentsongStatusView.m */,
 				C9E4B3A914B8C440006D7B1F /* MainMenu.xib */,
 				C9E4B39B14B8C440006D7B1F /* Supporting Files */,
 			);
@@ -167,6 +178,7 @@
 			files = (
 				C9E4B3A114B8C440006D7B1F /* main.m in Sources */,
 				C9E4B3A814B8C440006D7B1F /* CurrentsongAppDelegate.m in Sources */,
+				C9E4B3BC14B8DAE3006D7B1F /* CurrentsongStatusView.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

Currentsong/Currentsong-Info.plist

@@ -28,6 +28,8 @@
 	<string>Copyright © 2012 Matt Sarnoff. All rights reserved.</string>
 	<key>NSMainNibFile</key>
 	<string>MainMenu</string>
+	<key>LSUIElement</key>
+	<true/>
 	<key>NSPrincipalClass</key>
 	<string>NSApplication</string>
 </dict>

Currentsong/CurrentsongAppDelegate.h

@@ -8,10 +8,10 @@
 
 #import <Cocoa/Cocoa.h>
 
-@interface CurrentsongAppDelegate : NSObject <NSApplicationDelegate> {
-    NSWindow *window;
+@interface CurrentsongAppDelegate : NSObject <NSApplicationDelegate>
+{
+    NSStatusItem *mStatusItem;
+    IBOutlet NSMenu *mMenu;    
 }
 
-@property (assign) IBOutlet NSWindow *window;
-
 @end

Currentsong/CurrentsongAppDelegate.m

@@ -7,14 +7,129 @@
 //
 
 #import "CurrentsongAppDelegate.h"
+#import "iTunes.h"
+
+@interface CurrentsongAppDelegate ()
+- (NSDictionary *)fetchTrackInfo;
+- (void)updateTrackInfo:(NSDictionary *)trackInfo;
+@end
 
-@implementation CurrentsongAppDelegate
 
-@synthesize window;
+@implementation CurrentsongAppDelegate
 
 - (void)applicationDidFinishLaunching:(NSNotification *)aNotification
 {
     // Insert code here to initialize your application
 }
 
+// Artist - Name - Album
+// Stream Title - Name
+
+- (void)awakeFromNib
+{
+    // Install status item
+    mStatusItem = [[[NSStatusBar systemStatusBar] statusItemWithLength:NSVariableStatusItemLength] retain];
+    [mStatusItem setHighlightMode:YES];
+
+    // Get initial track info
+    NSDictionary *initialTrackInfo = [self fetchTrackInfo];
+    [self updateTrackInfo:initialTrackInfo];
+
+    // Start listening to iTunes notifications
+    NSDistributedNotificationCenter *dnc = [NSDistributedNotificationCenter defaultCenter];
+    [dnc addObserver:self selector:@selector(trackInfoDidChange:) name:@"com.apple.iTunes.playerInfo" object:nil];
+}
+
+- (void)dealloc
+{
+    [[NSDistributedNotificationCenter defaultCenter] removeObserver:self];
+    [mStatusItem release];
+    [super dealloc];
+}
+
+// Handle play state and track changes
+- (void)trackInfoDidChange:(NSNotification *)notification
+{
+    [self updateTrackInfo:[notification userInfo]];
+}
+
+// Update track info
+- (void)updateTrackInfo:(NSDictionary *)trackInfo
+{
+    // If trackInfo is nil, interpret this as iTunes not running or the player stopped
+    NSString *playerState = [trackInfo objectForKey:@"Player State"];
+
+    if (!trackInfo || !playerState || [playerState isEqualToString:@"Stopped"]) {
+        [mStatusItem setTitle:@"\u266B"]; // musical note icon
+        return;
+    }
+
+    NSString *artist = [trackInfo objectForKey:@"Artist"];
+    NSString *name = [trackInfo objectForKey:@"Name"];
+    NSString *album = [trackInfo objectForKey:@"Album"];
+    NSString *streamTitle = [trackInfo objectForKey:@"Stream Title"];
+
+    // Streaming?
+    if (streamTitle) {
+        album = name;
+        name = streamTitle;
+    }
+
+    NSLog(@"Artist: %@", artist);
+    NSLog(@"Name:   %@", name);
+    NSLog(@"Album:  %@", album);
+
+    BOOL haveArtist = ([artist length] > 0);
+    BOOL haveName = ([name length] > 0);
+    BOOL haveAlbum = ([album length] > 0);
+
+    NSMutableArray *fields = [NSMutableArray arrayWithCapacity:3];
+    if (haveArtist) [fields addObject:artist];
+    if (haveName)   [fields addObject:name];
+    if (haveAlbum)  [fields addObject:album];
+
+    NSString *pausedIcon = ([playerState isEqualToString:@"Paused"] ? @"\u275A\u275A " : @"");
+
+    NSString *fullStatus = [NSString stringWithFormat:@"%@%@",
+                            pausedIcon,
+                            [fields componentsJoinedByString:@" - "]];
+    [mStatusItem setTitle:fullStatus];
+}
+
+// Fetch track info directly using Scripting Bridge
+// Fetches play state, artist, name, album, and stream title.
+- (NSDictionary *)fetchTrackInfo
+{
+    iTunesApplication *iTunes = [SBApplication applicationWithBundleIdentifier:@"com.apple.iTunes"];
+
+    // Application not found or not running
+    if (!iTunes || ![iTunes isRunning]) {
+        NSLog(@"itunes not running");
+        return nil;
+    }
+
+    // Is iTunes stopped or paused?
+    NSString *playerStateString;
+    switch (iTunes.playerState)
+    {
+        case iTunesEPlSStopped: playerStateString = @"Stopped"; break;
+        case iTunesEPlSPaused:  playerStateString = @"Paused"; break;
+        default:                playerStateString = @""; break;
+    }
+
+    iTunesTrack *currentTrack = iTunes.currentTrack;
+    NSString *artist = [currentTrack artist];
+    NSString *name = [currentTrack name];
+    NSString *album = [currentTrack album];
+    NSString *streamTitle = iTunes.currentStreamTitle;
+
+    NSMutableDictionary *info = [NSMutableDictionary dictionaryWithCapacity:5];
+    if (playerStateString)  [info setObject:playerStateString forKey:@"Player State"];
+    if (artist)             [info setObject:artist forKey:@"Artist"];
+    if (name)               [info setObject:name forKey:@"Name"];
+    if (album)              [info setObject:album forKey:@"Album"];
+    if (streamTitle)        [info setObject:streamTitle forKey:@"Stream Title"];
+    return info;
+}
+
 @end

Currentsong/CurrentsongStatusView.h

@@ -0,0 +1,46 @@
+//
+//  CurrentsongStatusView.h
+//  Currentsong
+//
+//  Created by Matthew Sarnoff on 1/7/12.
+//  Copyright 2012 Matt Sarnoff. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+typedef enum
+{
+    kCSStylePlain,
+    kCSStylePlainSmall,
+    kCSStyleFormatted,
+    kCSStyleFormattedSmall,
+    kCSStyleTwoLevel
+} CurrentsongViewStyle;
+
+@interface CurrentsongStatusView : NSView
+{
+    NSStatusItem *mStatusItem;
+
+    // Properties
+    CurrentsongViewStyle mViewStyle;
+    BOOL mScroll;
+
+    // Track data
+    BOOL isRunningAndNotStopped;
+    BOOL isPaused;
+    NSString *mArtist;
+    NSString *mName;
+    NSString *mAlbum;
+
+    NSAttributedString *topRow;
+    NSAttributedString *bottomRow;
+}
+
+@property (nonatomic,retain) NSStatusItem *statusItem;
+@property (nonatomic,assign) CurrentsongViewStyle viewStyle;
+@property (nonatomic,assign) BOOL scroll;
+
+// Update track info from dictionary provided by iTunes distributed notification
+- (void)updateTrackInfo:(NSDictionary *)trackInfo;
+
+@end

Currentsong/CurrentsongStatusView.m

@@ -0,0 +1,31 @@
+//
+//  CurrentsongStatusView.m
+//  Currentsong
+//
+//  Created by Matthew Sarnoff on 1/7/12.
+//  Copyright 2012 Matt Sarnoff. All rights reserved.
+//
+
+#import "CurrentsongStatusView.h"
+
+@implementation CurrentsongStatusView
+
+@synthesize statusItem = mStatusItem;
+@synthesize viewStyle = mViewStyle;
+@synthesize scroll = mScroll;
+
+- (void)dealloc
+{
+    [mStatusItem release];
+    [super dealloc];
+}
+
+- (void)drawRect:(NSRect)dirtyRect
+{
+    NSLog(@"%@", NSStringFromRect([self bounds]));
+
+    [[NSColor redColor] set];
+    NSRectFill([self bounds]);
+}
+
+@end