Merge lp:~rockstar/ubuntuone-ios-music/remote-controls into lp:ubuntuone-ios-music

[Paul Hummer]

Enable remote control events

This branch enables the remote control events.

It looks like a small branch, but I was pulling my hair out trying to figure it out, and read every Audio document Apple publishes. Turns out that the simulator just doesn't send remote control events, ever (despite Apple saying the double Home click controls do). Once I tried it on my device, everything worked fine.

While here, I also took the time to set the MPNowPlayingInfo so that the information is sent to Apple TV or displayed on your lock screen (complete with Album Art), which was a requested feature by our users (and was trivial once I was not using the simulator).

[Mike McCracken (mikemc)]

review: Approve

=== modified file 'Music/UOAppDelegate.m'
--- Music/UOAppDelegate.m	2013-02-11 03:55:13 +0000
+++ Music/UOAppDelegate.m	2013-02-13 18:38:21 +0000
@@ -31,7 +31,7 @@
 #import "UOAppDelegate.h"
 #import "UOAuthManager.h"
 #import "U1LocalMusicServer.h"
-#import "StreamingPlayer.h"
+#import "UOPlayer.h"
 #import <Crashlytics/Crashlytics.h>
 
 #if TARGET_IPHONE_SIMULATOR
@@ -66,7 +66,6 @@
     
     /* Set up the local music server for serving music */
     _musicServer = [U1LocalMusicServer new];
-	[[StreamingPlayer sharedStreamingPlayer] recoverState];
 
     [self checkAuthentication];
     return YES;
@@ -90,6 +89,36 @@
     }
 }
 
+#pragma mark - Remote control events
+
+/* It's usually suggested that this be implemented at the View Controller level.
+   No. Let these events bubble to a single place.
+ */
+- (void)remoteControlReceivedWithEvent:(UIEvent *)event {
+    if (![[UOPlayer player] currentSong]) {
+        return;
+    }
+    
+    if (event.type == UIEventTypeRemoteControl) {
+        switch (event.subtype) {
+            case UIEventSubtypeRemoteControlPlay:
+            case UIEventSubtypeRemoteControlPause:
+            case UIEventSubtypeRemoteControlTogglePlayPause: {
+                [[UOPlayer player] playPause];
+                break;
+            }
+            case UIEventSubtypeRemoteControlPreviousTrack:
+                [[UOPlayer player] prev];
+                break;
+            case UIEventSubtypeRemoteControlNextTrack:
+                [[UOPlayer player] next];
+                break;
+            default:
+                break;
+        }
+    }
+}
+
 #pragma mark - Core Data stack
 
 // Returns the managed object context for the application.
 
=== modified file 'Music/Utilities/UOPlayer.m'
--- Music/Utilities/UOPlayer.m	2013-02-13 18:38:21 +0000
+++ Music/Utilities/UOPlayer.m	2013-02-13 18:38:21 +0000
@@ -252,6 +252,13 @@
     [player replaceCurrentItemWithPlayerItem:item];
     [player play];
     
+    NSDictionary *songInfo = @{MPMediaItemPropertyAlbumArtist: song.albumArtist.name,
+                               MPMediaItemPropertyAlbumTitle: song.album.title,
+                               MPMediaItemPropertyTitle: song.title,
+                               MPMediaItemPropertyArtwork: [[MPMediaItemArtwork alloc] initWithImage:song.art]
+                               };
+    [[MPNowPlayingInfoCenter defaultCenter] setNowPlayingInfo:songInfo];
+
     [[NSNotificationCenter defaultCenter] postNotificationName:kPlayerSongChanged object:nil];
     [[NSNotificationCenter defaultCenter] postNotificationName:kPlayerStateChanged object:nil];
 }