[gnome-shell/wip/appdisplay-leak: 10/10] appDisplay: Keep popup open on refresh

[Ray Strode <halfline src gnome org>]

commit cebb6d40dfbdb0ff9e473fe2dae87e8a81f37452
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 30d565bc1..03881ca3f 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.