lacymorrow/crossover

const { app } = require( 'electron' )
const { is } = require( './util' )
const crossover = require( './crossover' )
const preferences = require( './preferences' ).init()
const iohook = require( './iohook' )
const keyboard = require( './keyboard' )
const log = require( './log' )
const reset = require( './reset' )
const windows = require( './windows' )

const appEvents = () => {

    app.on( 'activate', async () => {

        // Will return current window if exists
        await windows.init()

    } )

    // Opening 2nd instance focuses app
    app.on( 'second-instance', async () => {

        log.warn( 'Tried to create second app instance' )

        // If locked, unlock, else create shadow window
        if ( windows.win ) {

            if ( preferences.value( 'hidden.locked' ) ) {

                // Unlock
                crossover.toggleWindowLock( false )

            } else {

                // Show app and create shadow window
                if ( windows.win.isMinimized() ) {

                    windows.win.restore()

                }

                windows.win.show()
                crossover.initShadowWindow()

            }

        } else {

            await windows.init()

        }

    } )

    // Sending a `SIGINT` (e.g: Ctrl-C) to an Electron app that registers
    // a `beforeunload` window event handler results in a disconnected white
    // browser window in GNU/Linux and macOS.
    // The `before-quit` Electron event is triggered in `SIGINT`, so we can
    // make use of it to ensure the browser window is completely destroyed.
    // See https://github.com/electron/electron/issues/5273
    app.on( 'before-quit', () => {

        app.releaseSingleInstanceLock()

    } )

    app.on( 'will-quit', () => {

        // Unregister all shortcuts.
        iohook.unregisterIOHook()
        keyboard.unregisterShortcuts()
        // process.exit( EXIT_CODES.SUCCESS )

    } )

    app.on( 'window-all-closed', app.quit )

    app.on( 'web-contents-created', ( event, webContents ) => {

        // Security #13: Prevent navigation
        // https://www.electronjs.org/docs/latest/tutorial/security#13-disable-or-limit-navigation
        webContents.on( 'will-navigate', ( event, _navigationUrl ) => {

            event.preventDefault()

        } )

        // Security workaround for https://github.com/lacymorrow/crossover/security/dependabot/7
        // Affects electron < 13.6.6
        webContents.on( 'select-bluetooth-device', ( event, devices, callback ) => {

            // Prevent default behavior
            event.preventDefault()
            // Cancel the request
            callback( '' )

        } )

    } )

}

const events = () => {

    // Sync preferences to renderer
    preferences.on( 'save', options => {

        crossover.syncSettings( options )

    } )

    // Sync preference buttons to renderer
    preferences.on( 'click', key => {

        switch ( key ) {

        case 'chooseCrosshair':
            crossover.openChooserWindow()
            break
        case 'resetPreferences':
            reset.allPreferences()
            break
        case 'resetApp':
            reset.app()
            break
        default:
            // Key not found
            break

        }

    } )

    // Reopen settings/chooser if killed
    windows.chooserWindow.on( 'close', async () => {

        windows.showHideWindow()
        await windows.createChooser()
        events()

    } )

    // Close windows if clicked away (mac only)
    if ( !is.development ) {

        windows.chooserWindow.on( 'blur', () => {

            windows.hideChooserWindow( { focus: true } )

        } )

    }

}

const register = {
    appEvents,
    events,
}
module.exports = register