4chan-XZ/src/classes/Notice.ts

import Header from "../General/Header"
import { d } from "../globals/globals"
import $ from "../platform/$"
import { SECOND } from "../platform/helpers"

type NoticeType = "success" | "warning" | "error"

export default class Notice {
  private el: HTMLDivElement
  private timeout?: number
  private onclose?: () => void
  private closed = false

  constructor(
    private type: NoticeType,
    private content: string | Node,
    timeout?: number,
    onclose?: () => void
  ) {
    this.el = document.createElement("div")
    this.el.innerHTML =
      "<a href=\"javascript:;\" class=\"close fa fa-times\" title=\"Close\"></a><div class=\"message\"></div>"
    this.el.style.opacity = "0"

    this.setType(type)

    $.on(this.el.firstElementChild!, "click", this.close)

    if (typeof content === "string") {
      this.content = $.tn(content)
    }

    $.add(this.el.lastElementChild!, this.content)

    $.ready(this.add)

    this.timeout = timeout
    this.onclose = onclose
  }

  private setType(type: NoticeType) {
    this.el.className = `notification ${type}`
  }

  private add = () => {
    if (this.closed) {
      return
    }

    if (d.hidden) {
      $.on(d, "visibilitychange", this.add)
      return
    }

    $.off(d, "visibilitychange", this.add)

    Header.noticesRoot.appendChild(this.el)

    this.el.clientHeight // force reflow

    this.el.style.opacity = "1"

    if (this.timeout) {
      setTimeout(this.close, this.timeout * SECOND)
    }
  }

  private close = () => {
    this.closed = true
    $.off(d, "visibilitychange", this.add)
    $.rm(this.el)
    this.onclose?.()
  }
}