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/// <reference lib="dom" />
import { ProvideInfo } from "../../../common/packets.d.ts";
import { ebutton } from "../helper.ts";
import { TrackHandle } from "../track_handle.ts";
import { LocalUser } from "../user/local.ts";
import { User } from "../user/mod.ts";
import { Resource } from "./mod.ts";
export class TrackResource extends Resource {
private _track?: TrackHandle
constructor(user: User, info: ProvideInfo, track?: TrackHandle) {
super(user, info)
this.track = track
}
get track() { return this._track }
set track(value: TrackHandle | undefined) {
const handle_end = () => {
this.track = undefined
if (this.user instanceof LocalUser) this.destroy()
}
this._track?.removeEventListener("ended", handle_end)
this._track = value
this._track?.addEventListener("ended", handle_end)
this.update_el()
}
destroy() {
this.track?.end()
super.destroy()
}
// TODO --- all the following code could be more generic and prettier in the UI ---
create_preview(): HTMLElement {
return ebutton(`Enable ${this.info.kind}`, {
onclick: (e) => {
(e as HTMLButtonElement).disabled = true;
this.request()
}
})
}
create_element() {
if (!this.track) { return this.create_preview() }
const el = document.createElement("div")
el.append(ebutton(`Enable ${this.info.kind}`, {
onclick: (e) => {
(e as HTMLButtonElement).disabled = true;
this.request_stop()
}
}))
const is_video = this.track.kind == "video"
const media_el = is_video ? document.createElement("video") : document.createElement("audio")
const stream = new MediaStream([this.track.track])
media_el.srcObject = stream
media_el.classList.add("media")
media_el.autoplay = true
media_el.controls = true
if (this.track.local) media_el.muted = true
el.append(media_el)
if (this.track.local) {
const end_button = document.createElement("button")
end_button.textContent = "End"
end_button.addEventListener("click", () => {
this.track?.end()
})
el.append(end_button)
}
this.el.append(el)
this.track.addEventListener("ended", () => {
media_el.srcObject = null // TODO
el.remove()
})
return el
}
}
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