From e9739882f42aa8cfac025502f161182272496c1a Mon Sep 17 00:00:00 2001
From: glecaros <gerardo.lecaros.e@gmail.com>
Date: Mon, 2 May 2016 23:13:53 -0700
Subject: [PATCH] Exposed onprogress.

---
 src/plugins/filetransfer.ts | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/plugins/filetransfer.ts b/src/plugins/filetransfer.ts
index 49b6e0061..77dac2413 100644
--- a/src/plugins/filetransfer.ts
+++ b/src/plugins/filetransfer.ts
@@ -178,11 +178,19 @@ export class Transfer {
     })
   }
 
+  /**
+   * Registers a listener that gets called whenever a new chunk of data is transferred.
+   * @param {function} Listener that takes a progress event.
+   */
+  onProgress(listener: (event: ProgressEvent) => any): void {
+    this.ft.onprocess = listener;
+  }
+
   /**
    * Aborts an in-progress transfer. The onerror callback is passed a FileTransferError
    * object which has an error code of FileTransferError.ABORT_ERR.
    */
-  abort() {
+  abort(): void {
      return this.ft.abort();
   }