Vaciando campos cuando radio pasa a estar offline

1 files changed, 24 insertions, 21 deletions

diff --git a/bairadio.js b/bairadio.js
index b318c1f..74b9b4e 100644
--- a/bairadio.js
+++ b/bairadio.js
@@ -1,5 +1,4 @@
 var selected = "";
-var renderType = 0;
 
 function update(first) {
   var first = first || false;
@@ -11,10 +10,23 @@ function update(first) {
   req.onreadystatechange = function() {
     if (this.readyState === 4 && this.status === 200) {
       var resp = JSON.parse(req.response);
+      
+      var status = document.getElementById("status");
+      var artist = document.getElementById("artist");
+      var title = document.getElementById("title");
+      var bitrate = document.getElementById("bitrate");
+      var audio_samplerate = document.getElementById("audio_samplerate");
+      var listeners = document.getElementById("listeners");
+      
       if (resp.icestats.source) {
         resp = resp.icestats.source;
       } else {
-        document.getElementById("status").textContent = "*** La radio está OFFLINE ***";
+        artist.textContent = "";
+        title.textContent = "";
+        bitrate.textContent = "--";
+        audio_samplerate.textContent = "--";
+        listeners.textContent = "0";
+        status.textContent = "*** La radio está OFFLINE ***";
         var o = document.createElement("option");
         o.textContent = "Nadie está transmitiendo...";
         sel.appendChild(o);
@@ -25,7 +37,7 @@ function update(first) {
       if (!resp.length) { resp = [resp]; }
       
       if (first || !selected) {
-        document.getElementById("status").textContent = "";
+        status.textContent = "";
         selected = resp[0].listenurl.replace("http://bienvenidoainternet.org:8000", "");
       }
 
@@ -55,10 +67,9 @@ function update(first) {
         audio.src = resp.listenurl;
         if (!first) { playPause(); }
       }
-      
-      var current = document.getElementById("artist").textContent + document.getElementById("title").textContent;
-      
-      var artist = document.getElementById("artist");
+
+      var current = artist.textContent + title.textContent;
+            
       if (resp.artist) {
         resp.artist = resp.artist.trim();
         if (artist.textContent.slice(0,-3) != resp.artist) {
@@ -68,7 +79,6 @@ function update(first) {
         artist.textContent = "";
       }
 
-      var title = document.getElementById("title");
       if (resp.title) {
         resp.title = String(resp.title).trim();
       } else {
@@ -85,27 +95,20 @@ function update(first) {
         checkLong();
       }
 
-      if (resp.listeners) {
-        var listeners = document.getElementById("listeners");
-        if (listeners.textContent != resp.listeners) {
-          listeners.textContent = resp.listeners;
-        }
-      }
-
-      if (resp["ice-bitrate"]) {
-        var bitrate = document.getElementById("bitrate");
-        if (bitrate.textContent != resp["ice-bitrate"]) {
-          bitrate.textContent = resp["ice-bitrate"];
-        }
+      if (resp["ice-bitrate"] && bitrate.textContent != resp["ice-bitrate"]) {
+        bitrate.textContent = resp["ice-bitrate"];
       }
 
       if (resp.audio_samplerate) {
-        var audio_samplerate = document.getElementById("audio_samplerate");
         var khz = Math.round(resp.audio_samplerate / 1000);
         if (audio_samplerate.textContent != khz) {
           audio_samplerate.textContent = khz;
         }
       }
+
+      if (resp.listeners && listeners.textContent != resp.listeners) {
+        listeners.textContent = resp.listeners;
+      }
     }
   }
 }