1/*
2 * Copyright (C) 2015 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 */
16package com.android.messaging.ui;
17
18/**
19 * An interface for a UI element ("View") that reflects the playback state of a piece of media
20 * content. It needs to support the ability to take common playback commands (play, pause, stop,
21 * restart) and reflect the state in UI (through timer or progress bar etc.)
22 */
23public interface PlaybackStateView {
24    /**
25     * Restart the playback.
26     */
27    void restart();
28
29    /**
30     * Reset ("stop") the playback to the starting position.
31     */
32    void reset();
33
34    /**
35     * Resume the playback, or start it if it hasn't been started yet.
36     */
37    void resume();
38
39    /**
40     * Pause the playback.
41     */
42    void pause();
43}
44