andrew
c6a77f1096
Updated the window icon path to use a .icns file on macOS and a .png file on other platforms. This ensures proper icon display across different operating systems.
500 lines
16 KiB
JavaScript
500 lines
16 KiB
JavaScript
const { app, BrowserWindow, ipcMain, session, screen, shell } = require('electron');
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const fs = require('fs');
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const path = require('path');
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const PerformanceMonitor = require('./performance-monitor');
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const GPUFallback = require('./gpu-fallback');
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const GPUConfig = require('./gpu-config');
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// Initialize performance monitoring and GPU management
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const perfMonitor = new PerformanceMonitor();
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const gpuFallback = new GPUFallback();
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const gpuConfig = new GPUConfig();
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// Configure GPU settings before app is ready
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gpuConfig.configure();
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// Set a custom application name
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app.setName('Nebula');
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// Setup GPU crash handling
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gpuFallback.setupCrashHandling();
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// --- clear any prior registrations to prevent duplicate‐handler errors ---
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ipcMain.removeHandler('window-minimize');
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ipcMain.removeHandler('window-maximize');
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ipcMain.removeHandler('window-close');
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function createWindow(startUrl) {
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// Get the available screen size
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const { width, height } = screen.getPrimaryDisplay().workAreaSize;
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// Ensure nativeWindowOpen is disabled
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let windowOptions = {
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width,
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height,
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resizable: true,
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webPreferences: {
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preload: path.join(__dirname, 'preload.js'),
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nodeIntegration: false, // Security & performance improvement
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contextIsolation: true,
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webviewTag: true,
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enableRemoteModule: false, // Deprecated and slow
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nodeIntegrationInSubFrames: false, // Security & performance
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nativeWindowOpen: false,
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spellcheck: false, // Disable if not needed
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webSecurity: true,
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allowRunningInsecureContent: false,
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experimentalFeatures: false,
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offscreen: false, // Ensure on-screen rendering for GPU
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enableWebSQL: false, // Disable deprecated features
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plugins: false // Disable plugins that might interfere with GPU
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},
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fullscreen: false,
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autoHideMenuBar: true,
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icon: process.platform === 'darwin'
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? path.join(__dirname, 'assets/images/Logos/Nebula-Favicon.icns')
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: path.join(__dirname, 'assets/images/Logos/Nebula-favicon.png'),
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title: 'Nebula',
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};
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if (process.platform === 'darwin') {
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Object.assign(windowOptions, {
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frame: true,
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titleBarStyle: 'hidden',
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trafficLightPosition: { x: 15, y: 20 },
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backgroundColor: '#00000000',
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transparent: true,
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});
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} else if (process.platform === 'win32') {
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Object.assign(windowOptions, {
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frame: true, // Use default Windows title bar.
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// removed titleBarOverlay to restore native Windows controls.
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});
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} else {
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windowOptions.frame = true;
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}
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const win = new BrowserWindow(windowOptions);
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// Handle window.open() calls – load URL in this window
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win.webContents.setWindowOpenHandler(({ url }) => {
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win.loadURL(url);
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return { action: 'deny' };
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});
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// Intercept direct navigations (e.g., user clicks a link) – load URL in this window
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win.webContents.on('will-navigate', (event, url) => {
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event.preventDefault(); // Prevent navigation in the current window
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win.loadURL(url);
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});
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// Intercept legacy new-window events – load URL in this window
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win.webContents.on('new-window', (event, url) => {
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event.preventDefault(); // Prevent new Electron window
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win.loadURL(url);
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});
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// ensure all embedded <webview> tags also use the same window
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win.webContents.on('did-attach-webview', (event, webContents) => {
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// Set up webview with preload script to provide electronAPI - fixed injection
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webContents.on('dom-ready', () => {
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// Simpler, more reliable API injection that doesn't require cloning
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webContents.executeJavaScript(`
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if (!window.electronAPI) {
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// Create a simple bridge without complex objects
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window.electronAPI = {
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invoke: function(channel) {
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const args = Array.prototype.slice.call(arguments, 1);
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return new Promise(function(resolve, reject) {
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try {
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const ipcRenderer = require('electron').ipcRenderer;
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ipcRenderer.invoke(channel, ...args).then(resolve).catch(reject);
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} catch (err) {
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reject(err);
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}
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});
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}
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};
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console.log('electronAPI injected successfully');
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}
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`).catch(err => {
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console.error('Failed to inject electronAPI:', err);
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// Fallback: inject minimal API
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webContents.executeJavaScript(`
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window.electronAPI = { invoke: function() { return Promise.resolve(); } };
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`).catch(() => {});
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});
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});
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// intercept window.open() inside webview
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webContents.setWindowOpenHandler(({ url }) => {
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webContents.loadURL(url);
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// record history for webview navigations
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recordHistory('site-history.json', url);
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const m = /[?&](?:q|query)=([^&]+)/.exec(url);
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if (m && m[1]) {
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const query = decodeURIComponent(m[1].replace(/\+/g, ' '));
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recordHistory('search-history.json', query);
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}
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return { action: 'deny' };
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});
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// intercept legacy new-window on webview
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webContents.on('new-window', (e, url) => {
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e.preventDefault();
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webContents.loadURL(url);
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// record history for webview navigations
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recordHistory('site-history.json', url);
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const m = /[?&](?:q|query)=([^&]+)/.exec(url);
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if (m && m[1]) {
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const query = decodeURIComponent(m[1].replace(/\+/g, ' '));
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recordHistory('search-history.json', query);
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}
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});
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// intercept navigation on webview (e.g. user clicks link)
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webContents.on('will-navigate', (e, url) => {
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e.preventDefault();
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webContents.loadURL(url);
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// record history for webview navigations
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recordHistory('site-history.json', url);
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const m = /[?&](?:q|query)=([^&]+)/.exec(url);
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if (m && m[1]) {
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const query = decodeURIComponent(m[1].replace(/\+/g, ' '));
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recordHistory('search-history.json', query);
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}
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});
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});
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win.loadFile('renderer/index.html');
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// if caller passed in a URL, forward it to the renderer after load
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if (startUrl) {
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win.webContents.once('did-finish-load', () => {
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win.webContents.send('open-url', startUrl);
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});
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}
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// Set default zoom to 100%
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const zoomFactor = 1.0;
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const loadStartTime = Date.now();
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win.webContents.on('did-finish-load', () => {
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win.webContents.setZoomFactor(zoomFactor);
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// Track load time for performance monitoring
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const loadTime = Date.now() - loadStartTime;
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perfMonitor.trackLoadTime(win.webContents.getURL(), loadTime);
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});
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// Debounced history recording to prevent excessive I/O
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let historyTimeout;
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const recordHistory = async (fileName, entry) => {
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// Clear existing timeout
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if (historyTimeout) {
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clearTimeout(historyTimeout);
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}
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// Debounce history recording by 500ms
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historyTimeout = setTimeout(async () => {
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if (fileName === 'site-history.json') {
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// Save to both file and send to renderer
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const filePath = path.join(__dirname, fileName);
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let data = [];
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try {
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const fileContent = fs.readFileSync(filePath, 'utf8');
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data = JSON.parse(fileContent);
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} catch {}
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if (data[0] !== entry) {
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data.unshift(entry);
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if (data.length > 100) data.pop();
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// Use async file operations to prevent blocking
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try {
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await fs.promises.writeFile(filePath, JSON.stringify(data, null, 2));
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} catch (err) {
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console.error('Error writing site history:', err);
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}
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}
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// Also send to renderer for localStorage
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win.webContents.send('record-site-history', entry);
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} else {
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// Keep search history in JSON file for now
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const filePath = path.join(__dirname, fileName);
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let data = [];
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try {
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const fileContent = fs.readFileSync(filePath, 'utf8');
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data = JSON.parse(fileContent);
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} catch {}
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if (data[0] !== entry) {
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data.unshift(entry);
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if (data.length > 100) data.pop();
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try {
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await fs.promises.writeFile(filePath, JSON.stringify(data, null, 2));
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} catch (err) {
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console.error('Error writing search history:', err);
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}
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}
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}
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}, 500);
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};
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win.webContents.on('did-navigate', (event, url) => {
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recordHistory('site-history.json', url);
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const m = /[?&](?:q|query)=([^&]+)/.exec(url);
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if (m && m[1]) {
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const query = decodeURIComponent(m[1].replace(/\+/g, ' '));
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recordHistory('search-history.json', query);
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}
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});
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}
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// This method will be called when Electron has finished initialization
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app.whenReady().then(async () => {
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// Check GPU status and handle errors
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const gpuStatus = await gpuConfig.checkGPUStatus();
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console.log('GPU Configuration Results:');
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console.log('- GPU Status:', gpuStatus);
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console.log('- Recommendations:', gpuConfig.getRecommendations());
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// Handle GPU process crashes
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app.on('gpu-process-crashed', (event, killed) => {
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console.warn('GPU process crashed, killed:', killed);
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if (!killed) {
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console.log('Attempting to recover GPU process...');
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}
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});
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// Optimize session settings for performance
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const ses = session.defaultSession;
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try {
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// Enable request/response caching
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ses.webRequest.onBeforeSendHeaders((details, callback) => {
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details.requestHeaders['Cache-Control'] = 'max-age=3600';
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callback({ requestHeaders: details.requestHeaders });
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});
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// Skip preload registration as it's handled in window options
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console.log('Session configured successfully');
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} catch (err) {
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console.error('Session setup error:', err);
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}
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// Start performance monitoring
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perfMonitor.start();
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createWindow();
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if (process.platform === 'darwin') {
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// Set macOS dock icon using an icns file for proper display.
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app.dock.setIcon(path.join(__dirname, 'assets/images/Logos/Nebula-Icon.icns'));
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}
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app.on('activate', () => {
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if (BrowserWindow.getAllWindows().length === 0) createWindow();
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});
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});
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// Quit when all windows are closed.
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app.on('window-all-closed', () => {
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if (process.platform !== 'darwin') app.quit();
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});
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// ipcMain handlers
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// --- window control handlers (only registered once now)
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ipcMain.handle('window-minimize', event => {
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BrowserWindow.fromWebContents(event.sender).minimize();
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});
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ipcMain.handle('window-maximize', event => {
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const w = BrowserWindow.fromWebContents(event.sender);
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w.isMaximized() ? w.unmaximize() : w.maximize();
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});
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ipcMain.handle('window-close', event => {
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BrowserWindow.fromWebContents(event.sender).close();
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});
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// Add site and search history IPC handlers
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// Site history is now handled via localStorage in the renderer
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// But keep these handlers for compatibility and potential future use
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ipcMain.handle('load-site-history', async () => {
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// Read from the site history file for settings page
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const filePath = path.join(__dirname, 'site-history.json');
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try {
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const data = fs.readFileSync(filePath, 'utf-8');
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return JSON.parse(data);
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} catch (err) {
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return [];
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}
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});
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ipcMain.handle('save-site-history', async (event, history) => {
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// Save to both file and localStorage
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const filePath = path.join(__dirname, 'site-history.json');
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try {
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fs.writeFileSync(filePath, JSON.stringify(history, null, 2));
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return true;
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} catch (err) {
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return false;
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}
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});
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ipcMain.handle('clear-site-history', async () => {
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const filePath = path.join(__dirname, 'site-history.json');
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try {
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fs.writeFileSync(filePath, JSON.stringify([], null, 2));
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return true;
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} catch (err) {
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return false;
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}
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});
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ipcMain.handle('load-search-history', async () => {
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const filePath = path.join(__dirname, 'search-history.json');
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try {
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const data = fs.readFileSync(filePath, 'utf-8');
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return JSON.parse(data);
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} catch (err) {
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return [];
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}
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});
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ipcMain.handle('save-search-history', async (event, history) => {
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const filePath = path.join(__dirname, 'search-history.json');
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try {
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fs.writeFileSync(filePath, JSON.stringify(history, null, 2));
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return true;
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} catch (err) {
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return false;
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}
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});
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// debug: log default‐homepage changes from renderer
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ipcMain.on('homepage-changed', (event, url) => {
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console.log('[MAIN] homepage-changed →', url);
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});
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ipcMain.handle('clear-browser-data', async () => {
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try {
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const ses = session.defaultSession;
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// Clear cookies
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await ses.clearStorageData({ storages: ['cookies'] });
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// Clear local storage and other storage data
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await ses.clearStorageData({ storages: ['localstorage', 'indexdb', 'filesystem', 'websql'] });
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// Clear cache
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await ses.clearCache();
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// Clear HTTP authentication cache
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await ses.clearAuthCache();
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// Clear all cookies explicitly to ensure logged-in accounts are logged out
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const cookies = await ses.cookies.get({});
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for (const cookie of cookies) {
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await ses.cookies.remove(cookie.url, cookie.name);
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}
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return true; // Indicate success
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} catch (error) {
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console.error('Failed to clear browser data:', error);
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return false; // Indicate failure
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}
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});
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ipcMain.handle('get-zoom-factor', event => {
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const wc = BrowserWindow.fromWebContents(event.sender).webContents;
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return wc.getZoomFactor();
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});
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ipcMain.handle('zoom-in', event => {
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const wc = BrowserWindow.fromWebContents(event.sender).webContents;
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const current = wc.getZoomFactor();
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const z = Math.min(current + 0.1, 3);
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wc.setZoomFactor(z);
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return z;
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});
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ipcMain.handle('zoom-out', event => {
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const wc = BrowserWindow.fromWebContents(event.sender).webContents;
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const current = wc.getZoomFactor();
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const z = Math.max(current - 0.1, 0.25);
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wc.setZoomFactor(z);
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return z;
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});
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// allow renderer to pop a tab into its own window
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ipcMain.handle('open-tab-in-new-window', (event, url) => {
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createWindow(url);
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});
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ipcMain.handle('save-site-history-entry', async (event, url) => {
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const filePath = path.join(__dirname, 'site-history.json');
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try {
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let data = [];
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try {
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data = JSON.parse(fs.readFileSync(filePath, 'utf8'));
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} catch {}
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// Remove if already exists to avoid duplicates
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data = data.filter(item => item !== url);
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// Add to beginning
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data.unshift(url);
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// Keep only last 100 entries
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if (data.length > 100) {
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data = data.slice(0, 100);
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}
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fs.writeFileSync(filePath, JSON.stringify(data, null, 2));
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console.log('[MAIN] Saved site history entry:', url);
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return true;
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} catch (err) {
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console.error('[MAIN] Error saving site history entry:', err);
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return false;
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}
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});
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// Add performance monitoring IPC handlers
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ipcMain.handle('get-performance-report', () => {
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return perfMonitor.getReport();
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});
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ipcMain.handle('force-gc', () => {
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perfMonitor.forceGC();
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return true;
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});
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// GPU diagnostics handler
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ipcMain.handle('get-gpu-info', async () => {
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try {
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const gpuStatus = await gpuConfig.checkGPUStatus();
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const fallbackStatus = gpuFallback.getStatus();
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const recommendations = gpuConfig.getRecommendations();
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return {
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...gpuStatus,
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fallbackStatus: fallbackStatus,
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recommendations: recommendations,
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isOptimized: gpuStatus.isSupported && !fallbackStatus.fallbackLevel
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};
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} catch (err) {
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console.error('Error getting GPU info:', err);
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return { error: err.message, isSupported: false };
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}
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});
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// Force GPU fallback handler
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ipcMain.handle('apply-gpu-fallback', (event, level) => {
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try {
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gpuFallback.applyFallback(level);
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return { success: true, level: level };
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} catch (err) {
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console.error('Error applying GPU fallback:', err);
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return { error: err.message };
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}
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});
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