The webrtc library already keeps state lets use that

The webrtc lib already holds the video and audio state (of the local
video). We should make use of this to avoid getting out of sync for
whatever reason.

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

js/app.js

@@ -128,28 +128,22 @@
 				});
 			});
 
-			var videoHidden = false;
 			$('#hideVideo').click(function() {
-				if (videoHidden) {
-					OCA.SpreedMe.webrtc.resumeVideo();
-					$(this).data('title', 'Disable video').removeClass('video-disabled');
-					videoHidden = false;
-				} else {
+				if (OCA.SpreedMe.webrtc.webrtc.isVideoEnabled()) {
 					OCA.SpreedMe.webrtc.pauseVideo();
 					$(this).data('title', 'Enable video').addClass('video-disabled');
-					videoHidden = true;
+				} else {
+					OCA.SpreedMe.webrtc.resumeVideo();
+					$(this).data('title', 'Disable video').removeClass('video-disabled');
 				}
 			});
-			var audioMuted = false;
 			$('#mute').click(function() {
-				if (audioMuted) {
-					OCA.SpreedMe.webrtc.unmute();
-					$(this).data('title', 'Mute audio').removeClass('audio-disabled');
-					audioMuted = false;
-				} else {
+				if (OCA.SpreedMe.webrtc.webrtc.isAudioEnabled()) {
 					OCA.SpreedMe.webrtc.mute();
 					$(this).data('title', 'Enable audio').addClass('audio-disabled');
-					audioMuted = true;
+				} else {
+					OCA.SpreedMe.webrtc.unmute();
+					$(this).data('title', 'Mute audio').removeClass('audio-disabled');
 				}
 			});