1/*
2 * Copyright 2018 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.bluetooth.avrcp;
18
19import android.media.session.PlaybackState;
20
21/**
22 * Carries the playback status information in a custom object.
23 */
24// TODO(apanicke): Send the current active song ID along with this object so that all information
25// is carried by our custom types.
26class PlayStatus {
27    static final byte STOPPED = 0;
28    static final byte PLAYING = 1;
29    static final byte PAUSED = 2;
30    static final byte FWD_SEEK = 3;
31    static final byte REV_SEEK = 4;
32    static final byte ERROR = -1;
33
34    public long position = 0xFFFFFFFFFFFFFFFFL;
35    public long duration = 0x00L;
36    public byte state = STOPPED;
37
38    // Duration info isn't contained in the PlaybackState so the service must supply it.
39    static PlayStatus fromPlaybackState(PlaybackState state, long duration) {
40        PlayStatus ret = new PlayStatus();
41        if (state == null) return ret;
42
43        ret.state = playbackStateToAvrcpState(state.getState());
44        ret.position = state.getPosition();
45        ret.duration = duration;
46        return ret;
47    }
48
49    static byte playbackStateToAvrcpState(int playbackState) {
50        switch (playbackState) {
51            case PlaybackState.STATE_STOPPED:
52            case PlaybackState.STATE_NONE:
53            case PlaybackState.STATE_CONNECTING:
54                return PlayStatus.STOPPED;
55
56            case PlaybackState.STATE_BUFFERING:
57            case PlaybackState.STATE_PLAYING:
58                return PlayStatus.PLAYING;
59
60            case PlaybackState.STATE_PAUSED:
61                return PlayStatus.PAUSED;
62
63            case PlaybackState.STATE_FAST_FORWARDING:
64            case PlaybackState.STATE_SKIPPING_TO_NEXT:
65            case PlaybackState.STATE_SKIPPING_TO_QUEUE_ITEM:
66                return PlayStatus.FWD_SEEK;
67
68            case PlaybackState.STATE_REWINDING:
69            case PlaybackState.STATE_SKIPPING_TO_PREVIOUS:
70                return PlayStatus.REV_SEEK;
71
72            case PlaybackState.STATE_ERROR:
73            default:
74                return PlayStatus.ERROR;
75        }
76    }
77
78    @Override
79    public String toString() {
80        return "{ state=" + state + " position=" + position + " duration=" + duration + " }";
81    }
82}
83