1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.phone; 18 19 import com.android.phone.INetworkQueryServiceCallback; 20 21 /** 22 * Service interface to handle queries for available networks. The 23 * Phone application lets this service interface handle carrier 24 * availability queries instead of making direct calls to the Phone layer. 25 */ 26 oneway interface INetworkQueryService { 27 28 /** 29 * Starts a network query if it has not been started yet, and 30 * request a callback through the INetworkQueryServiceCallback 31 * object on query completion. If there is an existing request, 32 * then just add the callback to the list of notifications 33 * that will be sent upon query completion. 34 * 35 * It will send the network query with the use of 36 * <code>TelephonyManager.requestNetworkScan()</code> if the 37 * isIncrementalResult is true. And if the isIncrementalResult 38 * is set as false, it will try to send network query through 39 * <code>Phone.getAvailableNetworks()</code>. 40 */ startNetworkQuery(in INetworkQueryServiceCallback cb, in int phoneId, boolean isIncrementalResult)41 void startNetworkQuery(in INetworkQueryServiceCallback cb, in int phoneId, boolean isIncrementalResult); 42 43 /** 44 * Tells the service that the requested query is to be ignored. 45 * This may not do anything for the Query request in the 46 * underlying RIL, but it ensures that the callback is removed 47 * from the list of notifications. 48 */ stopNetworkQuery()49 void stopNetworkQuery(); 50 51 /** 52 * Tells the service to unregister the network query callback. 53 * Will not attempt to stop an ongoing network query. 54 * Functionally may be the same as stopNetworkQuery since that 55 * function also does not stop a query request in the underlying 56 * RIL. 57 */ unregisterCallback(in INetworkQueryServiceCallback cb)58 void unregisterCallback(in INetworkQueryServiceCallback cb); 59 } 60