init

electron/preload/lifecycle.ts

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+import { app as electronApp, screen } from 'electron';
+import { logger } from 'ee-core/log';
+import { getConfig } from 'ee-core/config';
+import { getMainWindow } from 'ee-core/electron';
+
+class Lifecycle {
+  /**
+   * Core app has been loaded
+   */
+  async ready(): Promise<void> {
+    logger.info('[lifecycle] ready');
+  }
+
+  /**
+   * Electron app is ready
+   */
+  async electronAppReady(): Promise<void> {
+    logger.info('[lifecycle] electron-app-ready');
+
+    // When double clicking the icon, display the opened window
+    electronApp.on('second-instance', () => {
+      const win = getMainWindow();
+      if (win.isMinimized()) {
+        win.restore();
+      }
+      win.show();
+      win.focus();
+    });    
+  }
+
+  /**
+   * Main window has been loaded
+   */
+  async windowReady(): Promise<void> {
+    logger.info('[lifecycle] window-ready');
+
+    const win = getMainWindow();
+
+    // The window is centered and scaled proportionally
+    // Obtain the size information of the main screen, calculate the width and height of the window as a percentage of the screen, 
+    // and calculate the coordinates of the upper left corner when the window is centered
+    const mainScreen = screen.getPrimaryDisplay();
+    const { width, height } = mainScreen.workAreaSize;
+    const windowWidth = Math.floor(width * 0.6);
+    const windowHeight = Math.floor(height * 0.8);
+    const x = Math.floor((width - windowWidth) / 2);
+    const y = Math.floor((height - windowHeight) / 2);
+    win.setBounds({ x, y, width: windowWidth, height: windowHeight });
+
+    // Delay loading, no white screen
+    const config = getConfig();
+    const { windowsOption } = config;
+    if (windowsOption?.show == false) {
+      win.once('ready-to-show', () => {
+        win.show();
+        win.focus();
+      });
+    }
+  }
+
+  /**
+   * Before app close
+   */
+  async beforeClose(): Promise<void> {
+    logger.info('[lifecycle] before-close');
+  }
+}
+Lifecycle.toString = () => '[class Lifecycle]';
+
+export { Lifecycle };