# HG changeset patch
# User drewp@bigasterisk.com
# Date 1308116796 0
# Node ID 1a2fc3a93b3e3024b645d85359a6baf85e9e8f05
# Parent  ad41fdc33a91419425406bfb055a0f7791a2e600
don't poll on the ascoltami page if it's not the visible tab
Ignore-this: 4c9cbccacecc6bd198fe38aa1abef7e6

diff -r ad41fdc33a91 -r 1a2fc3a93b3e light9/ascoltami/index.html
--- a/light9/ascoltami/index.html	Wed Jun 15 05:32:23 2011 +0000
+++ b/light9/ascoltami/index.html	Wed Jun 15 05:46:36 2011 +0000
@@ -45,7 +45,7 @@
     var currentDuration = 0;
     var currentHighlightedSong = "";
     var lastPlaying;
-    function updateCurrent() {
+    function updateCurrent(doneCallback) {
 	$.getJSON("time", {}, function (data, status) {
 	    $("#currentSong").text(data.song);
 	    if (data.song != currentHighlightedSong) {
@@ -63,6 +63,7 @@
 		$(data.playing ? "#cmd-play" : "#cmd-stop").addClass("active");
 		lastPlaying = data.playing;
 	    }
+	    doneCallback();
 	});
     }
     function showCurrentSong(uri) {
@@ -131,11 +132,20 @@
 	},
     });
     
+    var raf = window.requestAnimationFrame ||
+	window.mozRequestAnimationFrame || 
+	window.webkitRequestAnimationFrame;
+
     function updateLoop() {
-	updateCurrent();
-	setTimeout(updateLoop, 200);
+	var whenDone = function () {
+	    setTimeout(function () { 
+		raf(updateLoop);
+	    }, 50);
+	};
+	updateCurrent(whenDone);
     }
     updateLoop();
+
 });
 // ]]>
 </script>