Bug 1874684 - Part 4: Prefer const references instead of copying Instant values....
[gecko.git] / dom / xslt / base / txErrorObserver.h
blob30b541f2a91d4c40f0e52dc1ec8c7a0a9a34f651
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #ifndef MITRE_ERROROBSERVER_H
7 #define MITRE_ERROROBSERVER_H
9 #include "txCore.h"
11 /**
12 * A simple interface for observing errors
13 **/
14 class ErrorObserver {
15 public:
16 /**
17 * Default Destructor for ErrorObserver
18 **/
19 virtual ~ErrorObserver(){};
21 /**
22 * Notifies this Error observer of a new error aRes
23 **/
24 virtual void receiveError(const nsAString& errorMessage, nsresult aRes) = 0;
26 /**
27 * Notifies this Error observer of a new error, with default
28 * error code NS_ERROR_FAILURE
29 **/
30 void receiveError(const nsAString& errorMessage) {
31 receiveError(errorMessage, NS_ERROR_FAILURE);
34 }; //-- ErrorObserver
36 #endif