Add files via upload

Author: pansament

config.json

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+{
+  "topUrl": "https://awacs-portal2.icloud-prd.eu-west-1.aws.pmicloud.biz/speed/ro70-09-10/operators?plant=RO70&area=Secondary",
+  "bottomUrl": "https://awacs-portal2.icloud-prd.eu-west-1.aws.pmicloud.biz/speed/ro70-11-12/operators?plant=RO70&area=Secondary",
+  "dividerRatio": 0.55,
+  "minWidth": 1200,
+  "minHeight": 800,
+  "userAgent": "",
+  "lockToInitialOrigin": false
+}

main.js

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+
+import { app, BrowserWindow, BrowserView } from 'electron';
+import path from 'node:path';
+import fs from 'node:fs';
+
+let mainWindow, topView, bottomView, config;
+
+// Mitigate blank window on some GPUs / VMs
+app.disableHardwareAcceleration();
+
+function loadConfig() {
+  const exeDir = path.dirname(app.getPath('exe'));
+  const candidates = [
+    path.join(exeDir, 'config.json'),
+    path.join(process.cwd(), 'config.json')
+  ];
+  for (const p of candidates) {
+    try { if (fs.existsSync(p)) return normalize(JSON.parse(fs.readFileSync(p,'utf-8'))); } catch {}
+  }
+  return normalize({"topUrl": "https://awacs-portal2.icloud-prd.eu-west-1.aws.pmicloud.biz/speed/ro70-09-10/operators?plant=RO70&area=Secondary", "bottomUrl": "https://awacs-portal2.icloud-prd.eu-west-1.aws.pmicloud.biz/speed/ro70-11-12/operators?plant=RO70&area=Secondary", "dividerRatio": 0.55, "minWidth": 1200, "minHeight": 800, "userAgent": "", "lockToInitialOrigin": false});
+}
+
+function normalize(cfg) {
+  return {
+    topUrl: cfg.topUrl || 'https://example.com',
+    bottomUrl: cfg.bottomUrl || 'https://example.com',
+    dividerRatio: Math.min(0.9, Math.max(0.1, cfg.dividerRatio ?? 0.55)),
+    minWidth: cfg.minWidth ?? 1000,
+    minHeight: cfg.minHeight ?? 700,
+    userAgent: cfg.userAgent || '',
+    lockToInitialOrigin: cfg.lockToInitialOrigin ?? false
+  };
+}
+
+function getOrigin(u) { try { const x = new URL(u); return `${x.protocol}//${x.host}`; } catch { return ''; } }
+
+function guardNavigation(view, initialUrl) {
+  if (!config.lockToInitialOrigin) return;
+  const origin = getOrigin(initialUrl);
+  view.webContents.on('will-navigate', (e, url) => { if (getOrigin(url) !== origin) e.preventDefault(); });
+  view.webContents.setWindowOpenHandler((d) => { return (getOrigin(d.url) !== origin) ? {action:'deny'} : {action:'allow'}; });
+}
+
+function layout() {
+  if (!mainWindow || !topView || !bottomView) return;
+  const [w,h] = mainWindow.getContentSize();
+  const split = Math.round(h * config.dividerRatio);
+  topView.setBounds({x:0,y:0,width:w,height:split});
+  topView.setAutoResize({width:true,height:true});
+  bottomView.setBounds({x:0,y:split,width:w,height:h-split});
+  bottomView.setAutoResize({width:true,height:true});
+}
+
+function createWindow() {
+  config = loadConfig();
+
+  mainWindow = new BrowserWindow({
+    width: 1200,
+    height: 800,
+    center: true,
+    minWidth: config.minWidth,
+    minHeight: config.minHeight,
+    backgroundColor: '#111111',
+    show: true,
+    autoHideMenuBar: true,
+    webPreferences: { nodeIntegration:false, contextIsolation:true, sandbox:true, backgroundThrottling:false }
+  });
+
+  topView = new BrowserView({ webPreferences: { contextIsolation:true, sandbox:true } });
+  bottomView = new BrowserView({ webPreferences: { contextIsolation:true, sandbox:true } });
+
+  mainWindow.setBrowserView(topView);
+  mainWindow.addBrowserView(bottomView);
+
+  const loadOpts = config.userAgent ? { userAgent: config.userAgent } : undefined;
+
+  setTimeout(() => { try { mainWindow.show(); } catch {} }, 2000);
+
+  topView.webContents.loadURL(config.topUrl, loadOpts).catch(()=>{});
+  bottomView.webContents.loadURL(config.bottomUrl, loadOpts).catch(()=>{});
+
+  guardNavigation(topView, config.topUrl);
+  guardNavigation(bottomView, config.bottomUrl);
+
+  mainWindow.on('resize', layout);
+  mainWindow.on('ready-to-show', () => { layout(); try { mainWindow.show(); } catch {} });
+
+  for (const wc of [topView.webContents, bottomView.webContents]) {
+    wc.on('did-fail-load', (_e, code, desc, validatedURL) => {
+      console.error('did-fail-load', code, desc, validatedURL);
+    });
+    wc.on('crashed', () => console.error('webContents crashed'));
+  }
+}
+
+app.whenReady().then(() => {
+  createWindow();
+  app.on('activate', () => { if (BrowserWindow.getAllWindows().length === 0) createWindow(); });
+});
+
+app.on('window-all-closed', () => { if (process.platform !== 'darwin') app.quit(); });

package.json

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+{
+  "name": "two-sites-viewer",
+  "version": "1.0.1",
+  "description": "Electron app: single window with two stacked websites",
+  "main": "main.js",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "start": "set ELECTRON_ENABLE_LOGGING=1&& electron .",
+    "build:win": "electron-builder --win portable"
+  },
+  "devDependencies": {
+    "electron": "^31.0.0",
+    "electron-builder": "^24.13.3"
+  },
+  "build": {
+    "appId": "com.example.twositesviewer",
+    "productName": "Two Sites Viewer",
+    "files": [
+      "main.js",
+      "preload.js",
+      "config.json",
+      "package.json"
+    ],
+    "win": {
+      "target": [
+        "portable"
+      ]
+    }
+  }
+}

preload.js

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+// empty