Memorize window position and size (#617)

* Memorize window position

* Memorize window size

* Add forced settings and window config

* use destructuring and shorthand method

* Set default config

* Use options defaults in createWindow

* Use options object only

* Update return function

* xo comply

app/config.js

@@ -5,8 +5,17 @@ const vm = require('vm');
 
 const {dialog} = require('electron');
 const gaze = require('gaze');
+const Config = require('electron-config');
 const notify = require('./notify');
 
+// local storage
+const winCfg = new Config({
+  defaults: {
+    windowPosition: [50, 50],
+    windowSize: [540, 380]
+  }
+});
+
 const path = resolve(homedir(), '.hyperterm.js');
 const watchers = [];
 
@@ -89,3 +98,15 @@ exports.getPlugins = function () {
     localPlugins: cfg.localPlugins
   };
 };
+
+exports.window = {
+  get() {
+    const position = winCfg.get('windowPosition');
+    const size = winCfg.get('windowSize');
+    return {position, size};
+  },
+  recordState(win) {
+    winCfg.set('windowPosition', win.getPosition());
+    winCfg.set('windowSize', win.getSize());
+  }
+};

app/index.js

@@ -65,20 +65,25 @@ const url = 'file://' + resolve(
 console.log('electron will open', url);
 
 app.on('ready', () => installDevExtensions(isDev).then(() => {
-  function createWindow(fn) {
+  function createWindow(fn, options = {}) {
     let cfg = plugins.getDecoratedConfig();
 
-    const [width, height] = cfg.windowSize || [540, 380];
+    const winSet = app.config.window.get();
+    let [startX, startY] = winSet.position;
+
+    const [width, height] = options.size ? options.size : (cfg.windowSize || winSet.size);
     const {screen} = require('electron');
 
-    let startX = 50;
+    const winPos = options.position;
-    let startY = 50;
 
     // Open the new window roughly the height of the header away from the
     // previous window. This also ensures in multi monitor setups that the
     // new terminal is on the correct screen.
     const focusedWindow = BrowserWindow.getFocusedWindow() || app.getLastFocusedWindow();
-    if (focusedWindow) {
+    // In case of options defaults position and size, we should ignore the focusedWindow.
+    if (winPos !== undefined) {
+      [startX, startY] = winPos;
+    } else if (focusedWindow) {
       const points = focusedWindow.getPosition();
       const currentScreen = screen.getDisplayNearestPoint({x: points[0], y: points[1]});
 
@@ -222,7 +227,6 @@ app.on('ready', () => installDevExtensions(isDev).then(() => {
 
     rpc.on('exit', ({uid}) => {
       const session = sessions.get(uid);
-
       if (session) {
         session.exit();
       } else {
@@ -317,6 +321,7 @@ app.on('ready', () => installDevExtensions(isDev).then(() => {
 
     // the window can be closed by the browser process itself
     win.on('close', () => {
+      app.config.window.recordState(win);
       windowSet.delete(win);
       rpc.destroy();
       deleteSessions();