From 07a921c92c62ab274a1a7e39f1303ba21426a01d Mon Sep 17 00:00:00 2001
From: Joseph Schorr <joseph.schorr@coreos.com>
Date: Fri, 27 Feb 2015 17:22:47 -0500
Subject: [PATCH] Get dynamic title support working

---
 static/js/services/meta-service.js | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/static/js/services/meta-service.js b/static/js/services/meta-service.js
index 0cd84fc89..f0b4cb989 100644
--- a/static/js/services/meta-service.js
+++ b/static/js/services/meta-service.js
@@ -4,15 +4,33 @@
 angular.module('quay').factory('MetaService', ['$interpolate', 'Config', '$rootScope', '$interval',
     function($interpolate, Config, $rootScope, $interval) {
   var metaService = {};
+  var intervals = [];
 
   var interpolate = function(page, expr, callback) {
-    $rootScope.$watch(page.scope, function() {
+    var previous = '';
+
+    var currentInterval = $interval(function() {
       var inter = $interpolate(expr, true, null, true);
-      callback(inter(page.scope));
-    });
+      var result = inter(page.scope)
+
+      if (result != previous) {
+        $interval.cancel(currentInterval);
+      }
+
+      previous = result;
+      callback(result);
+    }, 500);
+
+    intervals.push(currentInterval);
   };
 
   var initial = function(value, default_value, callback) {
+    for (var i = 0; i < intervals.length; ++i) {
+      $interval.cancel(intervals[i]);
+    }
+
+    intervals = [];
+
     if (!value) {
       callback(default_value);
       return;