1 /* 2 * Copyright (C) 2008 Esmertec AG. 3 * Copyright (C) 2008 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package com.android.im.engine; 19 20 /** 21 * Interface that allows the implementing class to listen to subscription 22 * request from other users. 23 */ 24 public interface SubscriptionRequestListener { 25 /** 26 * Called when a subscription request from another user is received. 27 * 28 * @param from 29 */ onSubScriptionRequest(Contact from)30 void onSubScriptionRequest(Contact from); 31 32 /** 33 * Called when a subscription request is approved. 34 * 35 * @param contact 36 */ onSubscriptionApproved(String contact)37 void onSubscriptionApproved(String contact); 38 39 /** 40 * Called when a subscription request is declined. 41 * 42 * @param contact 43 */ onSubscriptionDeclined(String contact)44 void onSubscriptionDeclined(String contact); 45 46 /** 47 * Called when an error occurs during approving a subscription request. 48 * 49 * @param contact 50 * @param error 51 */ onApproveSubScriptionError(String contact, ImErrorInfo error)52 void onApproveSubScriptionError(String contact, ImErrorInfo error); 53 54 /** 55 * Called when an error occurs during declining a subscription request. 56 * @param contact 57 * @param error 58 */ onDeclineSubScriptionError(String contact, ImErrorInfo error)59 void onDeclineSubScriptionError(String contact, ImErrorInfo error); 60 } 61