Added PlaybackEventController.

Application/PlaybackEventController.h

@@ -0,0 +1,21 @@
+//
+//  PlaybackEventController.h
+//  Cog
+//
+//  Created by Vincent Spader on 3/5/09.
+//  Copyright 2009 __MyCompanyName__. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+#import <Growl/GrowlApplicationBridge.h>
+
+@class PlaybackController;
+@class AudioScrobbler;
+@interface PlaybackEventController : NSObject <GrowlApplicationBridgeDelegate> {
+	NSOperationQueue *queue;
+	
+	AudioScrobbler *scrobbler;
+	IBOutlet PlaybackController *playbackController;
+}
+
+@end

Application/PlaybackEventController.m

@@ -0,0 +1,106 @@
+//
+//  PlaybackEventController.m
+//  Cog
+//
+//  Created by Vincent Spader on 3/5/09.
+//  Copyright 2009 __MyCompanyName__. All rights reserved.
+//
+
+#import "PlaybackEventController.h"
+
+#import "PlaylistEntry.h"
+#import "AudioScrobbler.h"
+#import "PlaybackController.h"
+
+@implementation PlaybackEventController
+
+- (void)initDefaults
+{
+	NSDictionary *defaultsDictionary = [NSDictionary dictionaryWithObjectsAndKeys:
+										[NSNumber numberWithBool:YES], @"enableAudioScrobbler",
+										[NSNumber numberWithBool:NO],  @"automaticallyLaunchLastFM",
+										nil];
+	
+	[[NSUserDefaults standardUserDefaults] registerDefaults:defaultsDictionary];
+}
+
+- (id)init
+{
+	self = [super init];
+	if (self)
+	{
+		[self initDefaults];
+		
+		queue = [[NSOperationQueue alloc] init];
+		scrobbler = [[AudioScrobbler alloc] init];
+		[GrowlApplicationBridge setGrowlDelegate:self];
+	}
+	
+	return self;
+}
+
+- (void)dealloc
+{
+	[queue release];
+	
+	[super dealloc];
+}
+
+- (void)awakeFromNib
+{
+	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(playbackDidBegin:) name:CogPlaybackDidBeginNotficiation object:nil];
+	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(playbackDidPause:) name:CogPlaybackDidPauseNotficiation object:nil];
+	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(playbackDidResume:) name:CogPlaybackDidResumeNotficiation object:nil];
+	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(playbackDidStop:)  name:CogPlaybackDidStopNotficiation object:nil];
+}
+
+- (void)playbackDidBegin:(NSNotification *)notification
+{
+	PlaylistEntry *pe = [notification object];
+	if([[NSUserDefaults standardUserDefaults] boolForKey:@"enableAudioScrobbler"]) {
+		[scrobbler start:pe];
+	}
+
+	// Note: We don't want to send a growl notification on resume.
+	[GrowlApplicationBridge notifyWithTitle:[pe title]
+								description:[pe artist]
+						   notificationName:@"Stream Changed"
+								   iconData:nil
+								   priority:0 
+								   isSticky:NO 
+							   clickContext:nil];
+}
+
+- (void)playbackDidPause:(NSNotification *)notification
+{
+	if([[NSUserDefaults standardUserDefaults] boolForKey:@"enableAudioScrobbler"]) {
+		[scrobbler pause];
+	}
+}
+
+- (void)playbackDidResume:(NSNotification *)notification
+{
+	if([[NSUserDefaults standardUserDefaults] boolForKey:@"enableAudioScrobbler"]) {
+		[scrobbler resume];
+	}
+}
+
+- (void)playbackDidStop:(NSNotification *)notification
+{
+	if([[NSUserDefaults standardUserDefaults] boolForKey:@"enableAudioScrobbler"]) {
+		[scrobbler stop];
+	}
+}
+
+- (NSDictionary *) registrationDictionaryForGrowl
+{
+	NSArray *notifications = [NSArray arrayWithObjects:@"Stream Changed", nil];
+	
+	return [NSDictionary dictionaryWithObjectsAndKeys:
+			@"Cog", GROWL_APP_NAME,  
+			notifications, GROWL_NOTIFICATIONS_ALL, 
+			notifications, GROWL_NOTIFICATIONS_DEFAULT,
+			nil];
+}
+
+@end