[gnome-shell/wip/appdisplay-leak: 8/8] appDisplay: keep popup open on refresh

[Ray Strode <halfline src gnome org>]

commit aac9c9b85e2993a848685401b0ac619407459a64
Author: Ray Strode <rstrode redhat com>
Date:   Thu Jul 18 11:13:27 2019 -0400

    appDisplay: keep popup open on refresh
    
    If the list of applications is refreshed we currently close
    the open app folder.
    
    This commit adds logic to reopen the app folder on reload.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/628

 js/ui/appDisplay.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
---
diff --git a/js/ui/appDisplay.js b/js/ui/appDisplay.js
index caeae579f..e80347ddb 100644
--- a/js/ui/appDisplay.js
+++ b/js/ui/appDisplay.js
@@ -330,6 +330,21 @@ var AllView = class AllView extends BaseAppView {
         super.removeAll();
     }
 
+    _redisplay() {
+        let openFolderId = null;
+        if (this._displayingPopup && this._currentPopup)
+            openFolderId = this._currentPopup._source.id;
+
+        super._redisplay();
+
+        if (openFolderId) {
+            let [folderToReopen] = this.folderIcons.filter(folder => folder.id == openFolderId);
+
+            if (folderToReopen)
+                folderToReopen.open();
+        }
+    }
+
     _itemNameChanged(item) {
         // If an item's name changed, we can pluck it out of where it's
         // supposed to be and reinsert it where it's sorted.