59 lines
1.4 KiB
TypeScript
59 lines
1.4 KiB
TypeScript
type VideoEndCallback = () => void
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type TimeUpdateCallback = (time: number) => void
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export class VideoManager {
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private videoEl: HTMLVideoElement | null = null
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private onEndCallback: VideoEndCallback | null = null
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private onTimeCallback: TimeUpdateCallback | null = null
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private lastSrc: string = ''
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attach(videoEl: HTMLVideoElement) {
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this.videoEl = videoEl
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videoEl.addEventListener('ended', this.handleEnded)
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videoEl.addEventListener('timeupdate', this.handleTimeUpdate)
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}
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detach() {
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if (!this.videoEl) return
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this.videoEl.removeEventListener('ended', this.handleEnded)
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this.videoEl.removeEventListener('timeupdate', this.handleTimeUpdate)
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this.videoEl = null
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}
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play(src: string) {
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if (!this.videoEl) return
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if (this.lastSrc !== src) {
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this.videoEl.src = src
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this.lastSrc = src
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}
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this.videoEl.currentTime = 0
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this.videoEl.play().catch(() => {})
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}
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pause() {
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this.videoEl?.pause()
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}
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getCurrentTime(): number {
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return this.videoEl?.currentTime ?? 0
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}
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onEnd(cb: VideoEndCallback) {
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this.onEndCallback = cb
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}
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onTimeUpdate(cb: TimeUpdateCallback) {
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this.onTimeCallback = cb
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}
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private handleEnded = () => {
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this.onEndCallback?.()
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}
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private handleTimeUpdate = () => {
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if (this.videoEl) {
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this.onTimeCallback?.(this.videoEl.currentTime)
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}
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}
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}
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