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

[Ray Strode <halfline src gnome org>]

commit e2d6d6bb372edc0147d217fa8864815fb4b60f31
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 | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
---
diff --git a/js/ui/appDisplay.js b/js/ui/appDisplay.js
index f77247f77..ef569cd5b 100644
--- a/js/ui/appDisplay.js
+++ b/js/ui/appDisplay.js
@@ -330,6 +330,22 @@ 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.