setup-global-shortcut.js

const { globalShortcut, ipcMain } = require('electron')
const i18n = require('i18next')
const createToggler = require('./create-toggler')
const store = require('../common/store')
const { IS_MAC } = require('../common/consts')
const { showDialog } = require('../dialogs')
const ipcMainEvents = require('../common/ipc-main-events')

// This function registers a global shortcut/accelerator with a certain action
// and (de)activates it according to its 'settingsOption' value on settings.
module.exports = function ({ settingsOption, accelerator, action, confirmationDialog }) {
  const activate = ({ newValue, oldValue = null, feedback = null }) => {
    if (newValue === oldValue) return

    if (newValue === true) {
      if (feedback && confirmationDialog) {
        if (showDialog({
          ...confirmationDialog,
          buttons: [
            i18n.t('enable'),
            i18n.t('cancel')
          ]
        }) !== 0) {
          // User canceled
          return
        }
      }

      globalShortcut.register(accelerator, action)
    } else {
      globalShortcut.unregister(accelerator)
    }

    return true
  }

  activate({ newValue: store.get(settingsOption, false) })
  createToggler(settingsOption, activate)

  if (!IS_MAC) {
    return
  }

  // On macOS, when registering accelerators in the menubar, we need to
  // unregister them globally before the menubar is open. Otherwise they
  // won't work unless the user closes the menubar.
  ipcMain.on(ipcMainEvents.MENUBAR_OPEN, () => {
    if (store.get(settingsOption, false)) {
      globalShortcut.unregister(accelerator)
    }
  })

  ipcMain.on(ipcMainEvents.MENUBAR_CLOSE, () => {
    if (store.get(settingsOption, false)) {
      globalShortcut.register(accelerator, action)
    }
  })
}