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1 // Copyright 2017 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 module media_router.mojom; | |
6 | |
7 import "mojo/common/time.mojom"; | |
8 | |
9 // Represents the current state of a media content. This struct should be kept | |
10 // free of details specific to Media Router, so that it can be moved to the | |
11 // media namespace and be reused for other features in the future. | |
12 struct MediaStatus { | |
13 // The main title of the media. For example, in a MediaStatus representing | |
14 // a YouTube Cast session, this could be the title of the video. | |
15 string title; | |
16 | |
17 // Text describing the media, or a secondary title. For example, in a | |
18 // MediaStatus representing a YouTube Cast session, this could be "YouTube". | |
19 string description; | |
20 | |
21 // If this is true, the media can be played and paused through its | |
22 // MediaController. | |
23 bool can_play_pause; | |
24 | |
25 // If this is true, the media can be muted and unmuted through its | |
26 // MediaController. | |
27 bool can_mute; | |
28 | |
29 // If this is true, the media's volume can be changed through its | |
30 // MediaController. | |
31 bool can_set_volume; | |
32 | |
33 // If this is true, the media's current playback position can be changed | |
34 // through its MediaController. | |
35 bool can_seek; | |
36 | |
37 bool is_paused; | |
38 | |
39 bool is_muted; | |
40 | |
41 // Current volume of the media, with 1 being the highest and 0 being the | |
42 // lowest/no sound. When |is_muted| is true, there should be no sound | |
43 // regardless of |volume|. | |
44 float volume; | |
45 | |
46 // The length of the media. A value of 0 indicates that this is a media with | |
47 // no set duration (e.g. a live stream). | |
48 mojo.common.mojom.TimeDelta duration; | |
49 | |
50 // Current playback position. Must be less than or equal to |duration|. | |
51 mojo.common.mojom.TimeDelta current_time; | |
52 }; | |
53 | |
54 // Interface for being notified whenever the MediaStatus of a media changes. | |
55 // This interface should be kept free of details specific to Media Router, so | |
56 // that it can be moved to the media namespace and be reused for other features | |
57 // in the future. | |
58 interface MediaStatusObserver { | |
59 OnMediaStatusUpdated(MediaStatus status); | |
60 }; | |
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