electron/default_app/default_app.ts
2019-03-11 16:13:46 -07:00

102 lines
2.7 KiB
TypeScript

import { app, dialog, BrowserWindow, shell, ipcMain } from 'electron'
import * as path from 'path'
let mainWindow: BrowserWindow | null = null
// Quit when all windows are closed.
app.on('window-all-closed', () => {
app.quit()
})
function decorateURL (url: string) {
// safely add `?utm_source=default_app
const parsedUrl = new URL(url)
parsedUrl.searchParams.append('utm_source', 'default_app')
return parsedUrl.toString()
}
// Find the shortest path to the electron binary
const absoluteElectronPath = process.execPath
const relativeElectronPath = path.relative(process.cwd(), absoluteElectronPath)
const electronPath = absoluteElectronPath.length < relativeElectronPath.length
? absoluteElectronPath
: relativeElectronPath
const indexPath = path.resolve(app.getAppPath(), 'index.html')
function isTrustedSender (webContents: Electron.WebContents) {
if (webContents !== (mainWindow && mainWindow.webContents)) {
return false
}
const parsedUrl = new URL(webContents.getURL())
return parsedUrl.protocol === 'file:' && parsedUrl.pathname === indexPath
}
ipcMain.on('bootstrap', (event) => {
try {
event.returnValue = isTrustedSender(event.sender) ? electronPath : null
} catch {
event.returnValue = null
}
})
async function createWindow () {
await app.whenReady()
const options: Electron.BrowserWindowConstructorOptions = {
width: 900,
height: 600,
autoHideMenuBar: true,
backgroundColor: '#FFFFFF',
webPreferences: {
preload: path.resolve(__dirname, 'preload.js'),
contextIsolation: true,
sandbox: true,
enableRemoteModule: false
},
useContentSize: true,
show: false
}
if (process.platform === 'linux') {
options.icon = path.join(__dirname, 'icon.png')
}
mainWindow = new BrowserWindow(options)
mainWindow.on('ready-to-show', () => mainWindow!.show())
mainWindow.webContents.on('new-window', (event, url) => {
event.preventDefault()
shell.openExternal(decorateURL(url))
})
mainWindow.webContents.session.setPermissionRequestHandler((webContents, permission, done) => {
const parsedUrl = new URL(webContents.getURL())
const options: Electron.MessageBoxOptions = {
title: 'Permission Request',
message: `Allow '${parsedUrl.origin}' to access '${permission}'?`,
buttons: ['OK', 'Cancel'],
cancelId: 1
}
dialog.showMessageBox(mainWindow!, options, (response) => {
done(response === 0)
})
})
return mainWindow
}
export const loadURL = async (appUrl: string) => {
mainWindow = await createWindow()
mainWindow.loadURL(appUrl)
mainWindow.focus()
}
export const loadFile = async (appPath: string) => {
mainWindow = await createWindow()
mainWindow.loadFile(appPath)
mainWindow.focus()
}