From d8c43d02ba2c6985169524bd93dc21ea3a72cdd1 Mon Sep 17 00:00:00 2001
From: Kegan Dougal <kegan@matrix.org>
Date: Mon, 19 Oct 2015 16:21:13 +0100
Subject: [PATCH] Add MatrixCall.setMicrophoneMuted

---
 lib/webrtc/call.js | 28 ++++++++++++++++++++--------
 1 file changed, 20 insertions(+), 8 deletions(-)

diff --git a/lib/webrtc/call.js b/lib/webrtc/call.js
index 84edace08..94b602222 100644
--- a/lib/webrtc/call.js
+++ b/lib/webrtc/call.js
@@ -259,6 +259,17 @@ MatrixCall.prototype.hangup = function(reason, suppressEvent) {
     sendEvent(this, 'm.call.hangup', content);
 };
 
+/**
+ * Set whether the microphone should be muted or not.
+ * @param {boolean} muted True to mute the mic.
+ */
+MatrixCall.prototype.setMicrophoneMuted = function(muted) {
+    if (!this.localAVStream) {
+        return;
+    }
+    setAudioTracksEnabled(this.localAVStream, !muted);
+};
+
 /**
  * Internal
  * @private
@@ -288,10 +299,7 @@ MatrixCall.prototype._gotUserMediaForInvite = function(stream) {
     }
 
     this.localAVStream = stream;
-    var audioTracks = stream.getAudioTracks();
-    for (var i = 0; i < audioTracks.length; i++) {
-        audioTracks[i].enabled = true;
-    }
+    setAudioTracksEnabled(stream, true);
     this.peerConn = _createPeerConnection(this);
     this.peerConn.addStream(stream);
     this.peerConn.createOffer(
@@ -326,10 +334,7 @@ MatrixCall.prototype._gotUserMediaForAnswer = function(stream) {
     }
 
     self.localAVStream = stream;
-    var audioTracks = stream.getAudioTracks();
-    for (var i = 0; i < audioTracks.length; i++) {
-        audioTracks[i].enabled = true;
-    }
+    setAudioTracksEnabled(stream, true);
     self.peerConn.addStream(stream);
 
     var constraints = {
@@ -631,6 +636,13 @@ MatrixCall.prototype._onAnsweredElsewhere = function(msg) {
     terminate(this, "remote", "answered_elsewhere", true);
 };
 
+var setAudioTracksEnabled = function(stream, enabled) {
+    var audioTracks = stream.getAudioTracks();
+    for (var i = 0; i < audioTracks.length; i++) {
+        audioTracks[i].enabled = enabled;
+    }
+};
+
 var setState = function(self, state) {
     var oldState = self.state;
     self.state = state;