1 /*
2  * Copyright (C) 2015 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.incallui.util;
18 
19 import android.net.Uri;
20 import android.telecom.Call;
21 import android.telephony.PhoneNumberUtils;
22 
23 /**
24  * Class to provide a standard interface for obtaining information from the underlying
25  * android.telecom.Call. Much of this should be obtained through the incall.Call, but
26  * on occasion we need to interact with the telecom.Call directly (eg. call blocking,
27  * before the incall.Call has been created).
28  */
29 public class TelecomCallUtil {
30 
31     // Whether the call handle is an emergency number.
isEmergencyCall(Call call)32     public static boolean isEmergencyCall(Call call) {
33         Uri handle = call.getDetails().getHandle();
34         return PhoneNumberUtils.isEmergencyNumber(
35                 handle == null ? "" : handle.getSchemeSpecificPart());
36     }
37 
getNumber(Call call)38     public static String getNumber(Call call) {
39         if (call == null) {
40             return null;
41         }
42         if (call.getDetails().getGatewayInfo() != null) {
43             return call.getDetails().getGatewayInfo()
44                     .getOriginalAddress().getSchemeSpecificPart();
45         }
46         Uri handle = getHandle(call);
47         return handle == null ? null : handle.getSchemeSpecificPart();
48     }
49 
getHandle(Call call)50     public static Uri getHandle(Call call) {
51         return call == null ? null : call.getDetails().getHandle();
52     }
53 }
54