[gnome-shell/gbsneto/icon-grid-part3: 13/17] folderView: Move DnD functions to BaseAppView

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

commit fb15e4c140b64fe263428c6ffd112fd47d608f90
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Tue Jul 2 16:27:18 2019 -0300

    folderView: Move DnD functions to BaseAppView
    
    It will be much easier to handle Drag n' Drop with BaseAppView
    implementing default handlers for it.
    
    Move handleDragOver() and acceptDrop() to BaseAppView.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/671

 js/ui/appDisplay.js | 8 ++++++++
 1 file changed, 8 insertions(+)
---
diff --git a/js/ui/appDisplay.js b/js/ui/appDisplay.js
index f6bab8bbb4..079af4ff75 100644
--- a/js/ui/appDisplay.js
+++ b/js/ui/appDisplay.js
@@ -169,6 +169,14 @@ class BaseAppView {
             log(`No such application ${id}`);
     }
 
+    handleDragOver() {
+        return DND.DragMotionResult.NO_DROP;
+    }
+
+    acceptDrop() {
+        return false;
+    }
+
     selectApp(id) {
         if (this._items[id] && this._items[id].actor.mapped) {
             this._selectAppInternal(id);