feat: Close to tray

electron/window/create-window.ts

@@ -2,13 +2,19 @@ import {
   app,
   BrowserWindow,
   desktopCapturer,
+  Menu,
   session,
-  shell
+  shell,
+  Tray
 } from 'electron';
 import * as fs from 'fs';
 import * as path from 'path';
+import { readDesktopSettings } from '../desktop-settings';
 
 let mainWindow: BrowserWindow | null = null;
+let tray: Tray | null = null;
+let closeToTrayEnabled = true;
+let appQuitting = false;
 
 const WINDOW_STATE_CHANGED_CHANNEL = 'window-state-changed';
 
@@ -40,12 +46,107 @@ export function getDockIconPath(): string | undefined {
   return getExistingAssetPath('macos', '1024x1024.png');
 }
 
+function getTrayIconPath(): string | undefined {
+  if (process.platform === 'win32')
+    return getExistingAssetPath('windows', 'icon.ico');
+
+  return getExistingAssetPath('icon.png');
+}
+
 export { getWindowIconPath };
 
 export function getMainWindow(): BrowserWindow | null {
   return mainWindow;
 }
 
+function destroyTray(): void {
+  if (!tray) {
+    return;
+  }
+
+  tray.destroy();
+  tray = null;
+}
+
+function requestAppQuit(): void {
+  prepareWindowForAppQuit();
+  app.quit();
+}
+
+function ensureTray(): void {
+  if (tray) {
+    return;
+  }
+
+  const trayIconPath = getTrayIconPath();
+
+  if (!trayIconPath) {
+    return;
+  }
+
+  tray = new Tray(trayIconPath);
+  tray.setToolTip('MetoYou');
+  tray.setContextMenu(
+    Menu.buildFromTemplate([
+      {
+        label: 'Open MetoYou',
+        click: () => {
+          void showMainWindow();
+        }
+      },
+      {
+        type: 'separator'
+      },
+      {
+        label: 'Close MetoYou',
+        click: () => {
+          requestAppQuit();
+        }
+      }
+    ])
+  );
+
+  tray.on('click', () => {
+    void showMainWindow();
+  });
+}
+
+function hideWindowToTray(): void {
+  if (!mainWindow || mainWindow.isDestroyed()) {
+    return;
+  }
+
+  mainWindow.hide();
+  emitWindowState();
+}
+
+export function updateCloseToTraySetting(enabled: boolean): void {
+  closeToTrayEnabled = enabled;
+}
+
+export function prepareWindowForAppQuit(): void {
+  appQuitting = true;
+  destroyTray();
+}
+
+export async function showMainWindow(): Promise<void> {
+  if (!mainWindow || mainWindow.isDestroyed()) {
+    await createWindow();
+    return;
+  }
+
+  if (mainWindow.isMinimized()) {
+    mainWindow.restore();
+  }
+
+  if (!mainWindow.isVisible()) {
+    mainWindow.show();
+  }
+
+  mainWindow.focus();
+  emitWindowState();
+}
+
 function emitWindowState(): void {
   if (!mainWindow || mainWindow.isDestroyed()) {
     return;
@@ -60,6 +161,9 @@ function emitWindowState(): void {
 export async function createWindow(): Promise<void> {
   const windowIconPath = getWindowIconPath();
 
+  closeToTrayEnabled = readDesktopSettings().closeToTray;
+  ensureTray();
+
   mainWindow = new BrowserWindow({
     width: 1400,
     height: 900,
@@ -120,6 +224,15 @@ export async function createWindow(): Promise<void> {
     await mainWindow.loadFile(path.join(__dirname, '..', '..', 'client', 'browser', 'index.html'));
   }
 
+  mainWindow.on('close', (event) => {
+    if (appQuitting || !closeToTrayEnabled) {
+      return;
+    }
+
+    event.preventDefault();
+    hideWindowToTray();
+  });
+
   mainWindow.on('closed', () => {
     mainWindow = null;
   });
@@ -141,6 +254,14 @@ export async function createWindow(): Promise<void> {
     emitWindowState();
   });
 
+  mainWindow.on('show', () => {
+    emitWindowState();
+  });
+
+  mainWindow.on('hide', () => {
+    emitWindowState();
+  });
+
   emitWindowState();
 
   mainWindow.webContents.setWindowOpenHandler(({ url }) => {