Update electron version which allows to save the xml files.

Updated the main code to better control the splash screen.

package/electron/app/appmenu.js

@@ -191,7 +191,8 @@ var getEditMenuData = function() {
                 click: function() {
                     BrowserWindow.getFocusedWindow()
                         .webContents
-                        .executeJavaScript("ArduinoMaterial.discard()");
+                        .executeJavaScript(
+                            "ArduinoMaterial.discardAllBlocks()");
                 }
             }
         ]

package/electron/app/main.js

@@ -19,8 +19,9 @@ var env = require('./vendor/electron_boilerplate/env_config');
 var windowStateKeeper = require('./vendor/electron_boilerplate/window_state');
 
 // Global reference of the window object must be maintain, or the window will
-// be closed automatically when the javascript object is garbage collected.
+// be closed automatically when the JavaScript object is garbage collected.
 var mainWindow = null;
+var splashWindow = null;
 
 // Preserver of the window size and position between app launches.
 var mainWindowState = windowStateKeeper('main', {
@@ -29,7 +30,7 @@ var mainWindowState = windowStateKeeper('main', {
 });
 
 app.on('ready', function () {
-    var splashWindow = createSplashWindow();
+    createSplashWindow();
 
     server.startServer();
 
@@ -49,6 +50,9 @@ app.on('ready', function () {
             'text-areas-are-resizable': false,
             'webgl': false,
             'webaudio': true,
+            'subpixel-font-scaling': true,
+            'direct-write': true,
+            //'overlay-scrollbars': true,
             'plugins': false
         }
     });
@@ -75,7 +79,10 @@ app.on('ready', function () {
 
     mainWindow.webContents.on('did-finish-load', function () {
         mainWindow.show();
-        splashWindow.close();
+        if (splashWindow !== null) {
+            splashWindow.close();
+            splashWindow = null;
+        }
     });
 
     mainWindow.loadUrl('http://localhost:8000/ardublockly');
@@ -94,20 +101,20 @@ app.on('window-all-closed', function () {
 });
 
 function createSplashWindow() {
-    var imagePath = 'file://' + server.getProjectJetpack().path(
-        'ardublockly', 'img', 'ardublockly_splash.png');
-
-    var splashWindow = new BrowserWindow({
-        width: 450,
-        height: 300,
-        frame: false,
-        show: true,
-        transparent: true,
-        images: true,
-        center: true,
-        'use-content-size': true
-    });
-    splashWindow.loadUrl(imagePath);
-
-    return splashWindow;
+    if (splashWindow === null) {
+        var imagePath = 'file://' + server.getProjectJetpack().path(
+            'ardublockly', 'img', 'ardublockly_splash.png');
+
+        splashWindow = new BrowserWindow({
+            width: 450,
+            height: 300,
+            frame: false,
+            show: true,
+            transparent: true,
+            images: true,
+            center: true,
+            'use-content-size': true
+        });
+        splashWindow.loadUrl(imagePath);
+    }
 }

package/electron/package.json

 {
   "devDependencies": {
     "asar": "^0.7.2",
-    "electron-prebuilt": "^0.28.3",
+    "electron-prebuilt": "^0.29.2",
     "esperanto": "^0.7.2",
     "fs-jetpack": "^0.6.5",
     "gulp": "^3.9.0",