1 /*
2  * Copyright (C) 2017 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;
18 
19 /**
20  * Defines handover state constants for calls undergoing handover.
21  */
22 public class HandoverState {
HandoverState()23     private HandoverState() {
24         // Can't instantiate.
25     }
26 
27     public static final int HANDOVER_NONE = 1;
28     public static final int HANDOVER_TO_STARTED = 2;
29     public static final int HANDOVER_FROM_STARTED = 3;
30     public static final int HANDOVER_ACCEPTED = 4;
31     public static final int HANDOVER_COMPLETE = 5;
32     public static final int HANDOVER_FAILED = 6;
33 
34     private static final String HANDOVER_NONE_STR = "NONE";
35     private static final String HANDOVER_TO_STARTED_STR = "HANDOVER_TO_STARTED";
36     private static final String HANDOVER_FROM_STARTED_STR = "HANDOVER_FROM_STARTED";
37     private static final String HANDOVER_ACCEPTED_STR = "HANDOVER_ACCEPTED";
38     private static final String HANDOVER_COMPLETE_STR = "HANDOVER_COMPLETE";
39     private static final String HANDOVER_FAILED_STR = "HANDOVER_FAILED";
40 
stateToString(int state)41     public static String stateToString(int state) {
42         switch (state) {
43             case HANDOVER_NONE:
44                 return HANDOVER_NONE_STR;
45             case HANDOVER_TO_STARTED:
46                 return HANDOVER_TO_STARTED_STR;
47             case HANDOVER_FROM_STARTED:
48                 return HANDOVER_FROM_STARTED_STR;
49             case HANDOVER_ACCEPTED:
50                 return HANDOVER_ACCEPTED_STR;
51             case HANDOVER_COMPLETE:
52                 return HANDOVER_COMPLETE_STR;
53             case HANDOVER_FAILED:
54                 return HANDOVER_FAILED_STR;
55         }
56         return "";
57     }
58 }
59