1/*
2 * Copyright (c) 2013 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.internal;
18
19
20
21/**
22 * Provides the APIs to control the media session, such as passing the surface object,
23 * controlling the camera (front/rear selection, zoom, brightness, ...) for a video calling.
24 *
25 * @hide
26 */
27public class ImsStreamMediaSession {
28    private static final String TAG = "ImsStreamMediaSession";
29
30    /**
31     * Listener for events relating to an IMS media session.
32     * <p>Many of these events are also received by {@link ImsStreamMediaSession.Listener}.</p>
33     */
34    public static class Listener {
35    }
36
37    private Listener mListener;
38
39    ImsStreamMediaSession(IImsStreamMediaSession mediaSession) {
40    }
41
42    ImsStreamMediaSession(IImsStreamMediaSession mediaSession, Listener listener) {
43        this(mediaSession);
44        setListener(listener);
45    }
46
47    /**
48     * Sets the listener to listen to the media session events. A {@code ImsStreamMediaSession}
49     * can only hold one listener at a time. Subsequent calls to this method
50     * override the previous listener.
51     *
52     * @param listener to listen to the media session events of this object
53     */
54    public void setListener(Listener listener) {
55        mListener = listener;
56    }
57}
58