1 /*
2  * Copyright (C) 2016 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.ims;
18 
19 import android.os.RemoteException;
20 import android.telephony.ims.ImsExternalCallState;
21 import android.telephony.ims.ImsReasonInfo;
22 
23 import com.android.ims.internal.IImsExternalCallStateListener;
24 import com.android.ims.internal.IImsMultiEndpoint;
25 import com.android.telephony.Rlog;
26 
27 import java.util.List;
28 
29 /**
30  * Provides APIs for the IMS multi-endpoint functionality.  Specifically, provides a means for IMS
31  * to subscribe to dialog event packages issued by the network.
32  *
33  * @hide
34  */
35 public class ImsMultiEndpoint {
36     /**
37      * Adapter class for {@link IImsExternalCallStateListener}.
38      */
39     private class ImsExternalCallStateListenerProxy extends IImsExternalCallStateListener.Stub {
40         private ImsExternalCallStateListener mListener;
41 
ImsExternalCallStateListenerProxy(ImsExternalCallStateListener listener)42         public ImsExternalCallStateListenerProxy(ImsExternalCallStateListener listener) {
43             mListener = listener;
44         }
45 
46 
47         /**
48          * Notifies client when Dialog Event Package update is received
49          *
50          * @param externalCallState the external call state.
51          */
52         @Override
onImsExternalCallStateUpdate(List<ImsExternalCallState> externalCallState)53         public void onImsExternalCallStateUpdate(List<ImsExternalCallState> externalCallState) {
54             if (DBG) Rlog.d(TAG, "onImsExternalCallStateUpdate");
55 
56             if (mListener != null) {
57                 mListener.onImsExternalCallStateUpdate(externalCallState);
58             }
59         }
60     }
61 
62     private static final String TAG = "ImsMultiEndpoint";
63     private static final boolean DBG = true;
64 
65     private final IImsMultiEndpoint mImsMultiendpoint;
66 
ImsMultiEndpoint(IImsMultiEndpoint iImsMultiEndpoint)67     public ImsMultiEndpoint(IImsMultiEndpoint iImsMultiEndpoint) {
68         if (DBG) Rlog.d(TAG, "ImsMultiEndpoint created");
69         mImsMultiendpoint = iImsMultiEndpoint;
70     }
71 
setExternalCallStateListener(ImsExternalCallStateListener externalCallStateListener)72     public void setExternalCallStateListener(ImsExternalCallStateListener externalCallStateListener)
73             throws ImsException {
74         try {
75             if (DBG) Rlog.d(TAG, "setExternalCallStateListener");
76             mImsMultiendpoint.setListener(new ImsExternalCallStateListenerProxy(
77                     externalCallStateListener));
78         } catch (RemoteException e) {
79             throw new ImsException("setExternalCallStateListener could not be set.", e,
80                     ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
81         }
82     }
83 
isBinderAlive()84     public boolean isBinderAlive() {
85         return mImsMultiendpoint.asBinder().isBinderAlive();
86     }
87 }
88