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
17package com.android.ims;
18
19import com.android.ims.internal.IImsMultiEndpoint;
20import com.android.ims.internal.IImsExternalCallStateListener;
21
22import android.os.RemoteException;
23import android.telephony.Rlog;
24
25import java.util.List;
26
27/**
28 * Provides APIs for the IMS multi-endpoint functionality.  Specifically, provides a means for IMS
29 * to subscribe to dialog event packages issued by the network.
30 *
31 * @hide
32 */
33public class ImsMultiEndpoint {
34    /**
35     * Adapter class for {@link IImsExternalCallStateListener}.
36     */
37    private class ImsExternalCallStateListenerProxy extends IImsExternalCallStateListener.Stub {
38        private ImsExternalCallStateListener mListener;
39
40        public ImsExternalCallStateListenerProxy(ImsExternalCallStateListener listener) {
41            mListener = listener;
42        }
43
44
45        /**
46         * Notifies client when Dialog Event Package update is received
47         *
48         * @param externalCallState the external call state.
49         */
50        @Override
51        public void onImsExternalCallStateUpdate(List<ImsExternalCallState> externalCallState) {
52            if (DBG) Rlog.d(TAG, "onImsExternalCallStateUpdate");
53
54            if (mListener != null) {
55                mListener.onImsExternalCallStateUpdate(externalCallState);
56            }
57        }
58    }
59
60    private static final String TAG = "ImsMultiEndpoint";
61    private static final boolean DBG = true;
62
63    private final IImsMultiEndpoint mImsMultiendpoint;
64
65    public ImsMultiEndpoint(IImsMultiEndpoint iImsMultiEndpoint) {
66        if (DBG) Rlog.d(TAG, "ImsMultiEndpoint created");
67        mImsMultiendpoint = iImsMultiEndpoint;
68    }
69
70    public void setExternalCallStateListener(ImsExternalCallStateListener externalCallStateListener)
71            throws ImsException {
72        try {
73            if (DBG) Rlog.d(TAG, "setExternalCallStateListener");
74            mImsMultiendpoint.setListener(new ImsExternalCallStateListenerProxy(
75                    externalCallStateListener));
76        } catch (RemoteException e) {
77            throw new ImsException("setExternalCallStateListener could not be set.", e,
78                    ImsReasonInfo.CODE_LOCAL_IMS_SERVICE_DOWN);
79        }
80    }
81}
82