const Clutter   = imports.gi.Clutter
const Main      = imports.ui.main
const Unite     = imports.misc.extensionUtils.getCurrentExtension()
const Base      = Unite.imports.module.BaseModule
const scaleSize = Unite.imports.helpers.scaleSize

var MessageTray = class MessageTray extends Base {
  _onSetup() {
    this._enableKey    = 'notifications-position'
    this._disableValue = 'center'
  }

  _onInitialize() {
    this._banner = Main.messageTray._bannerBin
  }

  _onActivate() {
    let mappings = { center: 'CENTER', left: 'START', right: 'END' }
    let position = mappings[this._setting] || 'CENTER'

    this._banner.set_x_align(Clutter.ActorAlign[position])
    this._banner.set_width(scaleSize(390))
  }

  _onDeactivate() {
    this._banner.set_x_align(Clutter.ActorAlign.CENTER)
    this._banner.set_width(-1)
  }
}