1 /* 2 * Copyright (C) 2019 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 android.telephony.ims; 18 19 import android.content.Context; 20 import android.os.RemoteException; 21 import android.os.ServiceManager; 22 import android.telephony.ims.aidl.IRcs; 23 24 /** 25 * A wrapper class around RPC calls that {@link RcsMessageStore} APIs to minimize boilerplate code. 26 * 27 * @hide - not meant for public use 28 */ 29 class RcsControllerCall { 30 private final Context mContext; 31 RcsControllerCall(Context context)32 RcsControllerCall(Context context) { 33 mContext = context; 34 } 35 call(RcsServiceCall<R> serviceCall)36 <R> R call(RcsServiceCall<R> serviceCall) throws RcsMessageStoreException { 37 IRcs iRcs = IRcs.Stub.asInterface(ServiceManager.getService(Context.TELEPHONY_RCS_SERVICE)); 38 if (iRcs == null) { 39 throw new RcsMessageStoreException("Could not connect to RCS storage service"); 40 } 41 42 try { 43 return serviceCall.methodOnIRcs(iRcs, mContext.getOpPackageName()); 44 } catch (RemoteException exception) { 45 throw new RcsMessageStoreException(exception.getMessage()); 46 } 47 } 48 callWithNoReturn(RcsServiceCallWithNoReturn serviceCall)49 void callWithNoReturn(RcsServiceCallWithNoReturn serviceCall) 50 throws RcsMessageStoreException { 51 call((iRcs, callingPackage) -> { 52 serviceCall.methodOnIRcs(iRcs, callingPackage); 53 return null; 54 }); 55 } 56 57 interface RcsServiceCall<R> { methodOnIRcs(IRcs iRcs, String callingPackage)58 R methodOnIRcs(IRcs iRcs, String callingPackage) throws RemoteException; 59 } 60 61 interface RcsServiceCallWithNoReturn { methodOnIRcs(IRcs iRcs, String callingPackage)62 void methodOnIRcs(IRcs iRcs, String callingPackage) throws RemoteException; 63 } 64 } 65