Add empty list indicator for Physical Web WebUI

components/physical_web/webui/resources/physical_web.js

Index: components/physical_web/webui/resources/physical_web.js
diff --git a/components/physical_web/webui/resources/physical_web.js b/components/physical_web/webui/resources/physical_web.js
index 418dc1d6e90c1b5e8daffb35b8fbd841900eae08..fb2a871b78348e4c5edf66bc8a121598a922e076 100644
--- a/components/physical_web/webui/resources/physical_web.js
+++ b/components/physical_web/webui/resources/physical_web.js
@@ -24,8 +24,12 @@ function physicalWebItemClicked(index) {
 function returnNearbyURLs(nearbyUrlsData) {
   var bodyContainer = $('body-container');
   renderTemplate(nearbyUrlsData);
+  bodyContainer.removeAttribute("hidden");

[Bernhard Bauer, 2017/03/09 22:10:04]

You can actually directly access the .hidden attribute on the element.

[Ran, 2017/03/09 22:28:12]

Done.

 
-  bodyContainer.style.visibility = 'visible';
+  if (nearbyUrlsData['metadata'].length == 0) {
+    var emptyMessage = $('empty-list-container');
+    emptyMessage.removeAttribute("hidden");
+  }
 }
 
 document.addEventListener('DOMContentLoaded', requestNearbyURLs);