From b25ef754488f0ad67989ea95a5092efca955f0d6 Mon Sep 17 00:00:00 2001
From: Oliver Hamlet <oliver.hamlet@gmail.com>
Date: Wed, 22 Jun 2016 21:30:34 +0100
Subject: [PATCH] Tweak filter application to improve init speed

Schedule the filter application instead of running it immediately, and
pre-initialise the lists, as this causes the UI to initialise faster,
despite appearing like it should be slower.
---
 src/gui/html/js/initialise.js | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/gui/html/js/initialise.js b/src/gui/html/js/initialise.js
index 0d2d397c..0b5bb543 100644
--- a/src/gui/html/js/initialise.js
+++ b/src/gui/html/js/initialise.js
@@ -179,10 +179,15 @@
       appData.Filters.fillConflictsFilterList(appData.game.plugins);
       appData.filters.load(appData.settings.filters);
 
+      /* Initialise the lists before checking if any filters need to be applied.
+         This causes the UI to be initialised faster thanks to scheduling
+         behaviour. */
+      dom.initialiseVirtualLists(appData.game.plugins);
       if (appData.filters.areAnyFiltersActive()) {
-        appData.filters.apply(appData.game.plugins);
-      } else {
-        dom.initialiseVirtualLists(appData.game.plugins);
+        /* Schedule applying the filters instead of applying them immediately.
+           This improves the UI initialisation speed, and is quick enough that
+           the lists aren't visible pre-filtration. */
+        setTimeout(appData.filters.apply, 0, appData.game.plugins);
       }
 
       Dialog.closeProgress();