Add reopen window menu

Author: kevinsawicki

main-process/menus/application-menu.js

@@ -106,6 +106,16 @@ let template = [{
     label: 'Close',
     accelerator: 'CmdOrCtrl+W',
     role: 'close'
+  }, {
+    type: 'separator'
+  }, {
+    label: 'Reopen Window',
+    accelerator: 'CmdOrCtrl+Shift+T',
+    enabled: false,
+    key: 'reopenMenuItem',
+    click: function () {
+      app.emit('activate')
+    }
   }]
 }, {
   label: 'Help',
@@ -149,6 +159,23 @@ function addUpdateMenuItems (items, position) {
   items.splice.apply(items, [position, 0].concat(updateItems))
 }
 
+function findReopenMenuItem () {
+  const menu = Menu.getApplicationMenu()
+  if (!menu) return
+
+  let reopenMenuItem
+  menu.items.forEach(function (item) {
+    if (item.submenu) {
+      item.submenu.items.forEach(function (item) {
+        if (item.key === 'reopenMenuItem') {
+          reopenMenuItem = item
+        }
+      })
+    }
+  })
+  return reopenMenuItem
+}
+
 if (process.platform === 'darwin') {
   const name = electron.app.getName()
   template.unshift({
@@ -185,6 +212,7 @@ if (process.platform === 'darwin') {
       }
     }]
   })
+
   // Window menu.
   template[3].submenu.push({
     type: 'separator'
@@ -205,3 +233,13 @@ app.on('ready', function () {
   const menu = Menu.buildFromTemplate(template)
   Menu.setApplicationMenu(menu)
 })
+
+app.on('browser-window-created', function () {
+  let reopenMenuItem = findReopenMenuItem()
+  if (reopenMenuItem) reopenMenuItem.enabled = false
+})
+
+app.on('window-all-closed', function () {
+  let reopenMenuItem = findReopenMenuItem()
+  if (reopenMenuItem) reopenMenuItem.enabled = true
+})