appDisplay: Allow passing callback to AppFolderDialog.popdown()

Next commit will allow removing icons from the folder, and we want to
do that effectively after the dialog pops down.

Add an optional callback to AppFolderDialog.popdown().

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1447

diff --git a/js/ui/appDisplay.js b/js/ui/appDisplay.js
index fa2782d81e56a87a6613410d49d4bdd21dc756f6..43bab2db98e4c9a67038ad320a6d308df9124244 100644 (file)
--- a/js/ui/appDisplay.js
+++ b/js/ui/appDisplay.js
@@ -2093,6 +2093,8 @@ var AppFolderDialog = GObject.registerClass({
         this._sourceMappedId = 0;
         this._popdownTimeoutId = 0;
         this._needsZoomAndFade = false;
+
+        this._popdownCallbacks = [];
     }
 
     _addFolderNameEntry() {
@@ -2297,6 +2299,9 @@ var AppFolderDialog = GObject.registerClass({
                     opacity: 255,
                 });
                 this.hide();
+
+                this._popdownCallbacks.forEach(func => func());
+                this._popdownCallbacks = [];
             },
         });
 
@@ -2477,7 +2482,16 @@ var AppFolderDialog = GObject.registerClass({
         this.emit('open-state-changed', true);
     }
 
-    popdown() {
+    popdown(callback) {
+        // Either call the callback right away, or wait for the zoom out
+        // animation to finish
+        if (callback) {
+            if (this.visible)
+                this._popdownCallbacks.push(callback);
+            else
+                callback();
+        }
+
         if (!this._isOpen)
             return;