From 722b03dca8715b8439eca5ca402e66a167444ae1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gina=20H=C3=A4u=C3=9Fge?= <osd@foosel.net>
Date: Sun, 24 Nov 2013 16:55:14 +0100
Subject: [PATCH] Disable webcam stream when control tab is not in focus.

Fixes #316
(cherry picked from commit 1b4a7c7)
---
 src/octoprint/static/js/app/main.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/octoprint/static/js/app/main.js b/src/octoprint/static/js/app/main.js
index e4cd786e..39e503a1 100644
--- a/src/octoprint/static/js/app/main.js
+++ b/src/octoprint/static/js/app/main.js
@@ -51,6 +51,17 @@ $(function() {
             terminalViewModel.updateOutput();
         });
 
+        $('#tabs a[data-toggle="tab"]').on('show', function (e) {
+            var current = e.target;
+            var previous = e.relatedTarget;
+
+            if (current.hash == "#control") {
+                $("#webcam_image").attr("src", CONFIG_WEBCAM_STREAM + "?" + new Date().getTime());
+            } else if (previous.hash == "#control") {
+                $("#webcam_image").attr("src", "#");
+            }
+        });
+
         //~~ Gcode upload
 
         function gcode_upload_done(e, data) {