1 files changed, 34 insertions, 0 deletions
diff --git a/editor/libeditor/EditorUtils.js b/editor/libeditor/EditorUtils.js
new file mode 100644
index 000000000..2959f67ab
--- /dev/null
+++ b/editor/libeditor/EditorUtils.js
@@ -0,0 +1,34 @@
+/* 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/. */
+
+var { classes: Cc, interfaces: Ci, utils: Cu } = Components;
+
+"use strict";
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+
+const EDITORUTILS_CID = Components.ID('{12e63991-86ac-4dff-bb1a-703495d67d17}');
+
+function EditorUtils() {
+}
+
+EditorUtils.prototype = {
+  classID: EDITORUTILS_CID,
+  QueryInterface: XPCOMUtils.generateQI([ Ci.nsIEditorUtils ]),
+
+  slurpBlob(aBlob, aScope, aListener) {
+    let reader = new aScope.FileReader();
+    reader.addEventListener("load", (event) => {
+      aListener.onResult(event.target.result);
+    });
+    reader.addEventListener("error", (event) => {
+      aListener.onError(event.target.error.message);
+    });
+
+    reader.readAsBinaryString(aBlob);
+  },
+};
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([EditorUtils]);