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5efab546 C |
1 | import './embed.scss' |
2 | ||
3 | import * as Channel from 'jschannel' | |
1151f521 | 4 | import { PeerTubeResolution, PeerTubeTextTrack } from '../player/definitions' |
5efab546 C |
5 | import { PeerTubeEmbed } from './embed' |
6 | ||
7 | /** | |
8 | * Embed API exposes control of the embed player to the outside world via | |
9 | * JSChannels and window.postMessage | |
10 | */ | |
11 | export class PeerTubeEmbedApi { | |
12 | private channel: Channel.MessagingChannel | |
13 | private isReady = false | |
6377a9f2 | 14 | private resolutions: PeerTubeResolution[] = [] |
5efab546 | 15 | |
9df52d66 C |
16 | constructor (private readonly embed: PeerTubeEmbed) { |
17 | ||
5efab546 C |
18 | } |
19 | ||
20 | initialize () { | |
21 | this.constructChannel() | |
22 | this.setupStateTracking() | |
23 | ||
24 | // We're ready! | |
25 | ||
26 | this.notifyReady() | |
27 | } | |
28 | ||
29 | private get element () { | |
5abc96fc | 30 | return this.embed.playerElement |
5efab546 C |
31 | } |
32 | ||
33 | private constructChannel () { | |
34 | const channel = Channel.build({ window: window.parent, origin: '*', scope: this.embed.scope }) | |
35 | ||
36 | channel.bind('play', (txn, params) => this.embed.player.play()) | |
37 | channel.bind('pause', (txn, params) => this.embed.player.pause()) | |
38 | channel.bind('seek', (txn, time) => this.embed.player.currentTime(time)) | |
6377a9f2 | 39 | |
5efab546 C |
40 | channel.bind('setVolume', (txn, value) => this.embed.player.volume(value)) |
41 | channel.bind('getVolume', (txn, value) => this.embed.player.volume()) | |
6377a9f2 | 42 | |
5efab546 | 43 | channel.bind('isReady', (txn, params) => this.isReady) |
6377a9f2 | 44 | |
5efab546 C |
45 | channel.bind('setResolution', (txn, resolutionId) => this.setResolution(resolutionId)) |
46 | channel.bind('getResolutions', (txn, params) => this.resolutions) | |
6377a9f2 | 47 | |
1151f521 | 48 | channel.bind('getCaptions', (txn, params) => this.getCaptions()) |
9df52d66 | 49 | channel.bind('setCaption', (txn, id) => this.setCaption(id)) |
1151f521 | 50 | |
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51 | channel.bind('setPlaybackRate', (txn, playbackRate) => this.embed.player.playbackRate(playbackRate)) |
52 | channel.bind('getPlaybackRate', (txn, params) => this.embed.player.playbackRate()) | |
6377a9f2 | 53 | channel.bind('getPlaybackRates', (txn, params) => this.embed.player.options_.playbackRates) |
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54 | |
55 | channel.bind('playNextVideo', (txn, params) => this.embed.playNextVideo()) | |
56 | channel.bind('playPreviousVideo', (txn, params) => this.embed.playPreviousVideo()) | |
57 | channel.bind('getCurrentPosition', (txn, params) => this.embed.getCurrentPosition()) | |
5efab546 C |
58 | this.channel = channel |
59 | } | |
60 | ||
61 | private setResolution (resolutionId: number) { | |
6377a9f2 C |
62 | console.log('set resolution %d', resolutionId) |
63 | ||
64 | if (this.isWebtorrent()) { | |
65 | if (resolutionId === -1 && this.embed.player.webtorrent().isAutoResolutionPossible() === false) return | |
66 | ||
67 | // Auto resolution | |
68 | if (resolutionId === -1) { | |
69 | this.embed.player.webtorrent().enableAutoResolution() | |
70 | return | |
71 | } | |
72 | ||
73 | this.embed.player.webtorrent().disableAutoResolution() | |
74 | this.embed.player.webtorrent().updateResolution(resolutionId) | |
5efab546 | 75 | |
5efab546 C |
76 | return |
77 | } | |
78 | ||
6377a9f2 | 79 | this.embed.player.p2pMediaLoader().getHLSJS().nextLevel = resolutionId |
5efab546 C |
80 | } |
81 | ||
1151f521 | 82 | private getCaptions (): PeerTubeTextTrack[] { |
9df52d66 C |
83 | return this.embed.player.textTracks().tracks_.map(t => ({ |
84 | id: t.id, | |
85 | src: t.src, | |
86 | label: t.label, | |
87 | mode: t.mode | |
88 | })) | |
1151f521 C |
89 | } |
90 | ||
91 | private setCaption (id: string) { | |
92 | const tracks = this.embed.player.textTracks().tracks_ | |
93 | ||
94 | for (const track of tracks) { | |
95 | if (track.id === id) track.mode = 'showing' | |
96 | else track.mode = 'disabled' | |
97 | } | |
98 | } | |
99 | ||
5efab546 C |
100 | /** |
101 | * Let the host know that we're ready to go! | |
102 | */ | |
103 | private notifyReady () { | |
104 | this.isReady = true | |
105 | this.channel.notify({ method: 'ready', params: true }) | |
106 | } | |
107 | ||
108 | private setupStateTracking () { | |
96aae68c | 109 | let currentState: 'playing' | 'paused' | 'unstarted' | 'ended' = 'unstarted' |
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110 | |
111 | setInterval(() => { | |
112 | const position = this.element.currentTime | |
113 | const volume = this.element.volume | |
114 | ||
115 | this.channel.notify({ | |
116 | method: 'playbackStatusUpdate', | |
117 | params: { | |
118 | position, | |
119 | volume, | |
6ccdf9d5 | 120 | duration: this.embed.player.duration(), |
5efab546 C |
121 | playbackState: currentState |
122 | } | |
123 | }) | |
124 | }, 500) | |
125 | ||
126 | this.element.addEventListener('play', ev => { | |
127 | currentState = 'playing' | |
128 | this.channel.notify({ method: 'playbackStatusChange', params: 'playing' }) | |
129 | }) | |
130 | ||
131 | this.element.addEventListener('pause', ev => { | |
132 | currentState = 'paused' | |
133 | this.channel.notify({ method: 'playbackStatusChange', params: 'paused' }) | |
134 | }) | |
135 | ||
96aae68c C |
136 | this.element.addEventListener('ended', ev => { |
137 | currentState = 'ended' | |
138 | this.channel.notify({ method: 'playbackStatusChange', params: 'ended' }) | |
139 | }) | |
140 | ||
5efab546 | 141 | // PeerTube specific capabilities |
e367da94 C |
142 | this.embed.player.peertubeResolutions().on('resolutionsAdded', () => this.loadResolutions()) |
143 | this.embed.player.peertubeResolutions().on('resolutionChanged', () => this.loadResolutions()) | |
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144 | |
145 | this.embed.player.on('volumechange', () => { | |
146 | this.channel.notify({ | |
147 | method: 'volumeChange', | |
148 | params: this.embed.player.volume() | |
149 | }) | |
150 | }) | |
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151 | } |
152 | ||
153 | private loadWebTorrentResolutions () { | |
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154 | this.resolutions = [] |
155 | ||
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156 | const currentResolutionId = this.embed.player.webtorrent().getCurrentResolutionId() |
157 | ||
158 | for (const videoFile of this.embed.player.webtorrent().videoFiles) { | |
159 | let label = videoFile.resolution.label | |
160 | if (videoFile.fps && videoFile.fps >= 50) { | |
161 | label += videoFile.fps | |
162 | } | |
163 | ||
6377a9f2 | 164 | this.resolutions.push({ |
5efab546 C |
165 | id: videoFile.resolution.id, |
166 | label, | |
167 | src: videoFile.magnetUri, | |
6377a9f2 C |
168 | active: videoFile.resolution.id === currentResolutionId, |
169 | height: videoFile.resolution.id | |
5efab546 C |
170 | }) |
171 | } | |
172 | ||
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173 | this.channel.notify({ |
174 | method: 'resolutionUpdate', | |
175 | params: this.resolutions | |
176 | }) | |
177 | } | |
6377a9f2 | 178 | |
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179 | private loadResolutions () { |
180 | this.resolutions = this.embed.player.peertubeResolutions().getResolutions() | |
181 | .map(r => ({ | |
182 | id: r.id, | |
183 | label: r.height + 'p', | |
184 | active: r.selected, | |
185 | width: r.width, | |
186 | height: r.height | |
187 | })) | |
6377a9f2 C |
188 | |
189 | this.channel.notify({ | |
190 | method: 'resolutionUpdate', | |
191 | params: this.resolutions | |
192 | }) | |
193 | } | |
194 | ||
195 | private isWebtorrent () { | |
ffacd78f | 196 | return !!this.embed.player.webtorrent |
6377a9f2 | 197 | } |
5efab546 | 198 | } |