1 /* 2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef WEBRTC_LIBJINGLE_XMPP_MODULE_H_ 12 #define WEBRTC_LIBJINGLE_XMPP_MODULE_H_ 13 14 #include "webrtc/libjingle/xmpp/xmppengine.h" 15 16 namespace buzz { 17 18 class XmppEngine; 19 20 //! This is the base class for extension modules. 21 //! An engine is registered with the module and the module then hooks the 22 //! appropriate parts of the engine to implement that set of features. It is 23 //! important to unregister modules before destructing the engine. 24 class XmppModule { 25 public: ~XmppModule()26 virtual ~XmppModule() {} 27 28 //! Register the engine with the module. Only one engine can be associated 29 //! with a module at a time. This method will return an error if there is 30 //! already an engine registered. 31 virtual XmppReturnStatus RegisterEngine(XmppEngine* engine) = 0; 32 }; 33 34 } 35 #endif // WEBRTC_LIBJINGLE_XMPP_MODULE_H_ 36