/* * Copyright (C) 2007 Esmertec AG. Copyright (C) 2007 The Android Open Source * Project * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package info.guardianproject.otr.app.im.engine; /** * Interface that allows the implementing classes to listen to connection * relative events. Listeners are registered with ImConnection. */ public interface ConnectionListener { /** * Called when the connection's state has changed. * * @param state the new state of the connection. * @param error the error which caused the state change or <code>null</code> * it's a normal state change. */ public void onStateChanged(int state, ImErrorInfo error); public void onUserPresenceUpdated(); public void onUpdatePresenceError(ImErrorInfo error); }