1 /* 2 * Copyright (C) 2022 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.server.telecom.voip; 18 19 import android.telecom.CallException; 20 import android.util.Log; 21 22 import com.android.server.telecom.Call; 23 import com.android.server.telecom.CallsManager; 24 25 import java.util.concurrent.CompletableFuture; 26 import java.util.concurrent.CompletionStage; 27 28 public class HoldCallTransaction extends VoipCallTransaction { 29 30 private static final String TAG = HoldCallTransaction.class.getSimpleName(); 31 private final CallsManager mCallsManager; 32 private final Call mCall; 33 HoldCallTransaction(CallsManager callsManager, Call call)34 public HoldCallTransaction(CallsManager callsManager, Call call) { 35 super(callsManager.getLock()); 36 mCallsManager = callsManager; 37 mCall = call; 38 } 39 40 @Override processTransaction(Void v)41 public CompletionStage<VoipCallTransactionResult> processTransaction(Void v) { 42 Log.d(TAG, "processTransaction"); 43 CompletableFuture<VoipCallTransactionResult> future = new CompletableFuture<>(); 44 45 if (mCallsManager.canHold(mCall)) { 46 mCallsManager.markCallAsOnHold(mCall); 47 future.complete(new VoipCallTransactionResult( 48 VoipCallTransactionResult.RESULT_SUCCEED, null)); 49 } else { 50 Log.d(TAG, "processTransaction: onError"); 51 future.complete(new VoipCallTransactionResult( 52 CallException.CODE_CANNOT_HOLD_CURRENT_ACTIVE_CALL, "cannot hold call")); 53 } 54 return future; 55 } 56 } 57