fix(ResumeTask) Avoid adding multiple NETWORK_INFO_EVENT listeners

modules/xmpp/ResumeTask.js

@@ -47,6 +47,7 @@ export default class ResumeTask {
      */
     schedule() {
         this._cancelResume();
+        this._removeNetworkOnlineListener();
 
         this._resumeRetryN += 1;
 
@@ -106,6 +107,19 @@ export default class ResumeTask {
         }
     }
 
+    /**
+     * Removes network online listener for the NETWORK_INFO_EVENT event.
+     *
+     * @private
+     * @returns {void}
+     */
+    _removeNetworkOnlineListener() {
+        if (this._networkOnlineListener) {
+            this._networkOnlineListener();
+            this._networkOnlineListener = null;
+        }
+    }
+
     /**
      * Resumes the XMPP connection using the stream management plugin.
      *
@@ -152,10 +166,7 @@ export default class ResumeTask {
      */
     cancel() {
         this._cancelResume();
+        this._removeNetworkOnlineListener();
         this._resumeRetryN = 0;
-        if (this._networkOnlineListener) {
-            this._networkOnlineListener();
-            this._networkOnlineListener = null;
-        }
     }
 }