gecko-dev/dom/xslt/base/txErrorObserver.h

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */

#ifndef MITRE_ERROROBSERVER_H
#define MITRE_ERROROBSERVER_H

#include "txCore.h"

/**
 * A simple interface for observing errors
 **/
class ErrorObserver {
 public:
  /**
   * Default Destructor for ErrorObserver
   **/
  virtual ~ErrorObserver(){};

  /**
   *  Notifies this Error observer of a new error aRes
   **/
  virtual void receiveError(const nsAString& errorMessage, nsresult aRes) = 0;

  /**
   *  Notifies this Error observer of a new error, with default
   *  error code NS_ERROR_FAILURE
   **/
  void receiveError(const nsAString& errorMessage) {
    receiveError(errorMessage, NS_ERROR_FAILURE);
  }

};  //-- ErrorObserver

#endif