49 lines
1.3 KiB
TypeScript
49 lines
1.3 KiB
TypeScript
import { EventHandler } from './definitions'
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interface PlayerEventRegistrar {
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registrations: EventHandler<any>[]
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}
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interface PlayerEventRegistrationMap {
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[ name: string ]: PlayerEventRegistrar
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}
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export class EventRegistrar {
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private eventRegistrations: PlayerEventRegistrationMap = {}
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public bindToChannel (channel: Channel.MessagingChannel) {
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for (const name of Object.keys(this.eventRegistrations)) {
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channel.bind(name, (txn, params) => this.fire(name, params))
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}
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}
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public registerTypes (names: string[]) {
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for (const name of names) {
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this.eventRegistrations[name] = { registrations: [] }
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}
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}
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public fire<T> (name: string, event: T) {
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this.eventRegistrations[name].registrations.forEach(x => x(event))
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}
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public addListener<T> (name: string, handler: EventHandler<T>) {
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if (!this.eventRegistrations[name]) {
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console.warn(`PeerTube: addEventListener(): The event '${name}' is not supported`)
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return false
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}
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this.eventRegistrations[name].registrations.push(handler)
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return true
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}
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public removeListener<T> (name: string, handler: EventHandler<T>) {
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if (!this.eventRegistrations[name]) return false
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this.eventRegistrations[name].registrations = this.eventRegistrations[name].registrations.filter(x => x !== handler)
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return true
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}
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}
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