The Tor Browser / file revision

 #ifdef 0

 /* This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

  * You can obtain one at http://mozilla.org/MPL/2.0/. */

 #endif

 let gDragDataHelper = {

   get mimeType() {

     return "text/x-moz-url";

   },

   getLinkFromDragEvent: function DragDataHelper_getLinkFromDragEvent(aEvent) {

     let dt = aEvent.dataTransfer;

     if (!dt || !dt.types.contains(this.mimeType)) {

       return null;

     }

     let data = dt.getData(this.mimeType) || "";

     let [url, title] = data.split(/[\r\n]+/);

     return {url: url, title: title};

   }

 };