window-manager.js

const gui = require('gui')

const AppMenu = require('../view/app-menu')

class WindowManager {
  constructor() {
    this.windows = []
    this.config = {}

    if (process.platform === 'darwin') {
      this.appMenu = new AppMenu()
      gui.app.setApplicationMenu(this.appMenu.menu)
      gui.lifetime.onActivate = () => {
        const MainWindow = require('../view/main-window')
        new MainWindow()
      }
    } else {
      this.menubars = []
    }
  }

  initWithConfig(config) {
    this.config = config
  }

  getConfig() {
    for (const win of this.windows)
      Object.assign(this.config, win.getConfig())
    return this.config
  }

  addWindow(win) {
    if (this.windows.includes(win))
      throw new Error('Can not add existing window')
    this.windows.push(win)
    if (process.platform !== 'darwin') {
      const menubar = new AppMenu(win)
      this.menubars.push(menubar)
      win.window.setMenuBar(menubar.menu)
    }
    win.initWithConfig(this.config)
    win.window.onClose = () => this.removeWindow(win)
  }

  removeWindow(win) {
    const i = this.windows.indexOf(win)
    if (i === -1)
      throw new Error('Removing unknown window')
    this.windows.splice(i, 1)
    win.unload()

    if (process.platform !== 'darwin') {
      this.menubars[i].unload()
      this.menubars.splice(i, 1)
    }
    process.gc(true, 2)
  }

  getCurrentWindow() {
    for (const win of this.windows) {
      if (win.window.isActive())
        return win
    }
    return null
  }

  quit() {
    for (const win of this.windows)
      win.window.close()

    require('../view/notification-center').unload()
    require('../controller/config-store').serialize()
    gui.MessageLoop.quit()
    process.gc(true, 2)

    // Ignore pending Node.js works.
    process.exit(0)
  }
}

module.exports = new WindowManager