Files
smesh/src/services/media-manager.service.ts
2025-07-29 22:44:43 +08:00

65 lines
1.6 KiB
TypeScript

class MediaManagerService {
static instance: MediaManagerService
private currentMedia: HTMLMediaElement | null = null
constructor() {
if (!MediaManagerService.instance) {
MediaManagerService.instance = this
}
return MediaManagerService.instance
}
pause(media: HTMLMediaElement) {
if (isPipElement(media)) {
return
}
if (this.currentMedia === media) {
this.currentMedia = null
}
media.pause()
}
autoPlay(media: HTMLMediaElement) {
if (
document.pictureInPictureElement &&
isMediaPlaying(document.pictureInPictureElement as HTMLMediaElement)
) {
return
}
this.play(media)
}
play(media: HTMLMediaElement) {
if (document.pictureInPictureElement && document.pictureInPictureElement !== media) {
;(document.pictureInPictureElement as HTMLMediaElement).pause()
}
if (this.currentMedia && this.currentMedia !== media) {
this.currentMedia.pause()
}
this.currentMedia = media
if (isMediaPlaying(media)) {
return
}
this.currentMedia.play().catch((error) => {
console.error('Error playing media:', error)
this.currentMedia = null
})
}
}
const instance = new MediaManagerService()
export default instance
function isMediaPlaying(media: HTMLMediaElement) {
return media.currentTime > 0 && !media.paused && !media.ended && media.readyState >= 2
}
function isPipElement(media: HTMLMediaElement) {
if (document.pictureInPictureElement === media) {
return true
}
return (media as any).webkitPresentationMode === 'picture-in-picture'
}