1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
import './embed.scss'
import * as Channel from 'jschannel'
import { PeerTubeResolution, PeerTubeTextTrack } from '../player/definitions'
import { PeerTubeEmbed } from './embed'
/**
* Embed API exposes control of the embed player to the outside world via
* JSChannels and window.postMessage
*/
export class PeerTubeEmbedApi {
private channel: Channel.MessagingChannel
private isReady = false
private resolutions: PeerTubeResolution[] = []
constructor (private readonly embed: PeerTubeEmbed) {
}
initialize () {
this.constructChannel()
this.setupStateTracking()
// We're ready!
this.notifyReady()
}
private get element () {
return this.embed.playerElement
}
private constructChannel () {
const channel = Channel.build({ window: window.parent, origin: '*', scope: this.embed.scope })
channel.bind('play', (txn, params) => this.embed.player.play())
channel.bind('pause', (txn, params) => this.embed.player.pause())
channel.bind('seek', (txn, time) => this.embed.player.currentTime(time))
channel.bind('setVolume', (txn, value) => this.embed.player.volume(value))
channel.bind('getVolume', (txn, value) => this.embed.player.volume())
channel.bind('isReady', (txn, params) => this.isReady)
channel.bind('setResolution', (txn, resolutionId) => this.setResolution(resolutionId))
channel.bind('getResolutions', (txn, params) => this.resolutions)
channel.bind('getCaptions', (txn, params) => this.getCaptions())
channel.bind('setCaption', (txn, id) => this.setCaption(id))
channel.bind('setPlaybackRate', (txn, playbackRate) => this.embed.player.playbackRate(playbackRate))
channel.bind('getPlaybackRate', (txn, params) => this.embed.player.playbackRate())
channel.bind('getPlaybackRates', (txn, params) => this.embed.player.options_.playbackRates)
channel.bind('playNextVideo', (txn, params) => this.embed.playNextVideo())
channel.bind('playPreviousVideo', (txn, params) => this.embed.playPreviousVideo())
channel.bind('getCurrentPosition', (txn, params) => this.embed.getCurrentPosition())
this.channel = channel
}
private setResolution (resolutionId: number) {
console.log('set resolution %d', resolutionId)
if (this.isWebtorrent()) {
if (resolutionId === -1 && this.embed.player.webtorrent().isAutoResolutionPossible() === false) return
this.embed.player.webtorrent().changeQuality(resolutionId)
return
}
this.embed.player.p2pMediaLoader().getHLSJS().currentLevel = resolutionId
}
private getCaptions (): PeerTubeTextTrack[] {
return this.embed.player.textTracks().tracks_.map(t => ({
id: t.id,
src: t.src,
label: t.label,
mode: t.mode
}))
}
private setCaption (id: string) {
const tracks = this.embed.player.textTracks().tracks_
for (const track of tracks) {
if (track.id === id) track.mode = 'showing'
else track.mode = 'disabled'
}
}
/**
* Let the host know that we're ready to go!
*/
private notifyReady () {
this.isReady = true
this.channel.notify({ method: 'ready', params: true })
}
private setupStateTracking () {
let currentState: 'playing' | 'paused' | 'unstarted' | 'ended' = 'unstarted'
setInterval(() => {
const position = this.element.currentTime
const volume = this.element.volume
this.channel.notify({
method: 'playbackStatusUpdate',
params: {
position,
volume,
duration: this.embed.player.duration(),
playbackState: currentState
}
})
}, 500)
this.element.addEventListener('play', ev => {
currentState = 'playing'
this.channel.notify({ method: 'playbackStatusChange', params: 'playing' })
})
this.element.addEventListener('pause', ev => {
currentState = 'paused'
this.channel.notify({ method: 'playbackStatusChange', params: 'paused' })
})
this.element.addEventListener('ended', ev => {
currentState = 'ended'
this.channel.notify({ method: 'playbackStatusChange', params: 'ended' })
})
// PeerTube specific capabilities
this.embed.player.peertubeResolutions().on('resolutionsAdded', () => this.loadResolutions())
this.embed.player.peertubeResolutions().on('resolutionChanged', () => this.loadResolutions())
this.loadResolutions()
this.embed.player.on('volumechange', () => {
this.channel.notify({
method: 'volumeChange',
params: this.embed.player.volume()
})
})
}
private loadResolutions () {
this.resolutions = this.embed.player.peertubeResolutions().getResolutions()
.map(r => ({
id: r.id,
label: r.label,
active: r.selected,
width: r.width,
height: r.height
}))
this.channel.notify({
method: 'resolutionUpdate',
params: this.resolutions
})
}
private isWebtorrent () {
return !!this.embed.player.webtorrent
}
}
|
