From 66c8014cf737cc4805af87a944e46d61ae1a712b Mon Sep 17 00:00:00 2001
From: Alexandre Lissy <alexandre.lissy@etu.univ-tours.fr>
Date: Mon, 13 Aug 2012 16:59:30 +0200
Subject: [PATCH] Bug 782289 - Headphones status notification. Part 2: Generate
 mozChromeEvent. r=vingtetun

Catching the 'headphones-status' event that is generated by AudioManager
and generating a mozChromeEvent matching. It will allow us to grab this
event in Gaia's status bar.
---
 b2g/chrome/content/shell.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/b2g/chrome/content/shell.js b/b2g/chrome/content/shell.js
index 023ac0b03bd7..f2c26c70175f 100644
--- a/b2g/chrome/content/shell.js
+++ b/b2g/chrome/content/shell.js
@@ -703,6 +703,15 @@ window.addEventListener('ContentStart', function ss_onContentStart() {
 }, "geolocation-device-events", false);
 })();
 
+(function headphonesStatusTracker() {
+  Services.obs.addObserver(function(aSubject, aTopic, aData) {
+    shell.sendChromeEvent({
+      type: 'headphones-status',
+      state: aData
+    });
+}, "headphones-status", false);
+})();
+
 (function recordingStatusTracker() {
   let gRecordingActiveCount = 0;