Update build dependencies and electron setup

.gitignore

@@ -74,4 +74,8 @@ typings/
 .serverless
 
 # Prebuilds generated by prebuild
-prebuilds/
+prebuilds/
+
+
+example/node_modules/
+example/build/

docs/README.hbs

@@ -43,9 +43,10 @@ Example application
 
 ![Example application gif](./media/forcefocus-example.gif)
 
-An example application is located in the `/example/` dir, start it by running:
+An example application is located in the `/example/` dir, start it by entering that directory and running:
 
 ```sh
+$ npm install
 $ npm run example
 ```
 

example/index.html

@@ -62,21 +62,17 @@ <h2>Input field</h2>
     <input type="text" />
     <script>
       (function() {
-        const forceFocus = require('..');
-        const electron = require('electron');
-        const currentWindow = electron.remote.getCurrentWindow();
-
         const focusButton = document.getElementById("focusButton");
         const focusMessage = document.getElementById("focusMessage");
 
         focusButton.onclick = function() {
           focusMessage.innerText = "Will force focus this window in 5 seconds. Focus something else."
           setTimeout(function() {
             focusMessage.innerText = "Focused this window."
-            forceFocus.focusWindow(currentWindow);
+            window.forcefocus.focusWindow();
           }, 5000);
         };
       }());
     </script>
   </body>
-</html>
+</html>

example/main.js

@@ -1,8 +1,9 @@
 'use strict';
 
-const electron = require('electron');
-const app = electron.app;
-const BrowserWindow = electron.BrowserWindow;
+const {
+  app, ipcMain, BrowserWindow
+} = require('electron');
+const path = require('path');
 
 let mainWindow;
 
@@ -15,7 +16,15 @@ let mainWindow;
 const createWindow = function() {
   const windowProperties = {
     width: 800,
-    height: 600
+    height: 600,
+    webPreferences: {
+      enableRemoteModule: false,
+      contextIsolation: true,
+      nodeIntegration: false,
+      nativeWindowOpen: true,
+      webSecurity: true,
+      preload: path.join(__dirname, 'preload.js')
+    }
   };
 
   mainWindow = new BrowserWindow(windowProperties);
@@ -39,3 +48,9 @@ app.on('activate', function() {
     createWindow();
   }
 });
+
+const forceFocus = require('..');
+
+ipcMain.handle('force-focus', () => {
+  forceFocus.focusWindow(mainWindow);
+});