[gnome-shell/gbsneto/custom-icon-positions: 16/28] appDisplay: Create app folder where the drop happened

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit ae728be543c18c666a03cfd6ea214879b60310d5
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Tue May 26 22:29:29 2020 -0300

    appDisplay: Create app folder where the drop happened
    
    Create the app folder where the icon we drop at is located. This
    ensures the folder icon doesn't go into the last page, hidden and
    solitary.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1284

 js/ui/appDisplay.js | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)
---
diff --git a/js/ui/appDisplay.js b/js/ui/appDisplay.js
index a70ff5d0db..57e8affc24 100644
--- a/js/ui/appDisplay.js
+++ b/js/ui/appDisplay.js
@@ -1128,6 +1128,11 @@ class AppDisplay extends BaseAppView {
             return false;
         }
 
+        // The hovered AppIcon always passes its own id as the first
+        // one, and this is where we want the folder to be created
+        const [folderPage, folderPosition] =
+            this._grid.getItemPosition(this._items.get(apps[0]));
+
         let appItems = apps.map(id => this._items.get(id).app);
         let folderName = _findBestFolderName(appItems);
         if (!folderName)
@@ -1138,7 +1143,12 @@ class AppDisplay extends BaseAppView {
         newFolderSettings.set_strv('apps', apps);
         newFolderSettings.apply();
 
-        this.selectApp(newFolderId);
+        this._redisplay();
+
+        // Move the folder to where the icon target icon was
+        const folderItem = this._items.get(newFolderId);
+        this.moveItem(folderItem, folderPage, folderPosition);
+        this._savePages();
 
         return true;
     }