When playing audio from remote URL, stop as soon as download fails an…

…d make loading cacheable.

Load remote sound files via NSURLConnection's
sendSynchronousRequest:returningResponse:error:
class method so that they get cached by
NSURLCache.

PhoneGapLib/Classes/Sound.m

@@ -228,8 +228,14 @@ - (BOOL) prepareToPlay: (PGAudioFile*) audioFile withId: (NSString*) mediaId
         if ([resourceURL isFileURL]) {
             audioFile.player = [[[ AudioPlayer alloc ] initWithContentsOfURL:resourceURL error:&playerError] autorelease];
         } else {
-            NSData* data = [NSData dataWithContentsOfURL:resourceURL];
-            audioFile.player = [[[ AudioPlayer alloc ] initWithData:data error:&playerError] autorelease];
+            NSURLRequest *request = [NSURLRequest requestWithURL:resourceURL];
+            NSURLResponse *response = nil;
+            NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&playerError];
+            if (playerError) {
+                NSLog(@"Unable to download audio from: %@", [resourceURL absoluteString]);
+            } else {
+                audioFile.player = [[[ AudioPlayer alloc ] initWithData:data error:&playerError] autorelease];
+            }
         }
     }
     if (playerError != nil) {