add a splash screen

[lsl.git] / public / javascripts / lsl.js

diff --git a/public/javascripts/lsl.js b/public/javascripts/lsl.js
index d1656d4f1320aedd2e680cb77690154e9d122eeb..fa6b4127fb6d9758d9523b785e5ab51f449a1924 100644 (file)
--- a/public/javascripts/lsl.js
+++ b/public/javascripts/lsl.js
@@ -1,6 +1,8 @@
 "use strict";
 (function(){
 var uri_base, environment, devel_env;   // filled on page load from an HTML attribute
+var start_time = Date.now();
+
 var ui_icon_class_re = new RegExp('\\bui-icon-\\S+\\b');
 var uri_id_re = new RegExp('/(\\d+)$');
 var lists_version = -1;
@@ -80,6 +82,26 @@ function select_list(new_selected_list) {
 }
 function load_lists() {
     $.get(uri_base + '/api/v1/list')
+    .always(()=>{
+        var splash = $('#splash');
+        if (splash.length) {
+            var dur = splash.css('transition-duration');
+            if (dur && dur.endsWith('s')) {
+                dur = 1000 * parseFloat(dur.substring(0, dur.length-1));
+            }
+            else
+                dur = 1000;
+
+            var now = Date.now();
+            window.setTimeout(() => {
+                splash.addClass('done');
+                debug('scheduling splash removal in '+dur+'ms');
+                window.setTimeout(()=>{ splash.remove(); }, dur);
+            },
+                Math.max(0, 500 - (now - start_time))
+            );
+        }
+    })
     .done(data => {
         lists_version = data.lists_version;