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NebulaBrowser/renderer/script.js
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JavaScript
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const ipcRenderer = window.electronAPI;
// Lightweight debug logger (toggleable)
const DEBUG = false;
const debug = (...args) => { if (DEBUG) console.log(...args); };
// Scroll normalization CSS and JS to ensure consistent scroll speed across all sites
const SCROLL_NORMALIZATION_CSS = `
/* Disable smooth scrolling behavior that some sites force */
*, *::before, *::after {
scroll-behavior: auto !important;
}
html, body {
scroll-behavior: auto !important;
}
`;
const SCROLL_NORMALIZATION_JS = `
(function() {
if (window.__nebulaScrollNormalized) return;
window.__nebulaScrollNormalized = true;
// Consistent scroll amount in pixels per wheel delta unit
const SCROLL_SPEED = 100;
// Intercept wheel events to normalize scroll speed
document.addEventListener('wheel', function(e) {
// Don't interfere if modifier keys are pressed (zoom, horizontal scroll, etc.)
if (e.ctrlKey || e.metaKey || e.altKey) return;
// Get the scroll target
let target = e.target;
let scrollable = null;
// Find the nearest scrollable element
while (target && target !== document.body && target !== document.documentElement) {
const style = window.getComputedStyle(target);
const overflowY = style.overflowY;
const overflowX = style.overflowX;
if ((overflowY === 'auto' || overflowY === 'scroll') && target.scrollHeight > target.clientHeight) {
scrollable = target;
break;
}
if ((overflowX === 'auto' || overflowX === 'scroll') && target.scrollWidth > target.clientWidth && e.shiftKey) {
scrollable = target;
break;
}
target = target.parentElement;
}
// If no scrollable container found, use the document
if (!scrollable) {
scrollable = document.scrollingElement || document.documentElement || document.body;
}
// Calculate normalized scroll delta
// deltaMode: 0 = pixels, 1 = lines, 2 = pages
let deltaY = e.deltaY;
let deltaX = e.deltaX;
if (e.deltaMode === 1) {
// Line mode - multiply by line height approximation
deltaY *= SCROLL_SPEED;
deltaX *= SCROLL_SPEED;
} else if (e.deltaMode === 2) {
// Page mode - multiply by viewport height
deltaY *= window.innerHeight;
deltaX *= window.innerWidth;
} else {
// Pixel mode - normalize to consistent speed
// Clamp the delta to prevent extremely fast scrolling from some sites
const sign = deltaY > 0 ? 1 : -1;
deltaY = sign * Math.min(Math.abs(deltaY), SCROLL_SPEED * 3);
const signX = deltaX > 0 ? 1 : -1;
deltaX = signX * Math.min(Math.abs(deltaX), SCROLL_SPEED * 3);
}
// Apply scroll
e.preventDefault();
scrollable.scrollBy({
top: deltaY,
left: e.shiftKey ? deltaX : 0,
behavior: 'auto'
});
}, { passive: false, capture: true });
})();
`;
// Function to apply scroll normalization to a webview
function applyScrollNormalization(webview) {
try {
// Inject CSS to disable smooth scrolling
webview.insertCSS(SCROLL_NORMALIZATION_CSS);
// Inject JS to normalize wheel scroll speed
webview.executeJavaScript(SCROLL_NORMALIZATION_JS);
debug('[Scroll] Applied scroll normalization to webview');
} catch (err) {
console.warn('[Scroll] Failed to apply scroll normalization:', err);
}
}
// Site history management using localStorage
function getSiteHistory() {
try {
const history = localStorage.getItem('siteHistory');
return history ? JSON.parse(history) : [];
} catch (err) {
console.error('Error reading site history from localStorage:', err);
return [];
}
}
function addToSiteHistory(url) {
try {
let history = getSiteHistory();
// Remove if already exists to avoid duplicates
history = history.filter(item => item !== url);
// Add to beginning
history.unshift(url);
// Keep only last 100 entries
if (history.length > 100) {
history = history.slice(0, 100);
}
localStorage.setItem('siteHistory', JSON.stringify(history));
} catch (err) {
console.error('Error saving site history to localStorage:', err);
}
}
// Search history management using localStorage
function getSearchHistory() {
try {
const history = localStorage.getItem('searchHistory');
return history ? JSON.parse(history) : [];
} catch (err) {
console.error('Error reading search history from localStorage:', err);
return [];
}
}
function addToSearchHistory(searchQuery) {
try {
let history = getSearchHistory();
// Remove if already exists to avoid duplicates
history = history.filter(item => item !== searchQuery);
// Add to beginning
history.unshift(searchQuery);
// Keep only last 100 entries
if (history.length > 100) {
history = history.slice(0, 100);
}
localStorage.setItem('searchHistory', JSON.stringify(history));
// Also save to file via IPC for persistence
if (window.electronAPI && window.electronAPI.invoke) {
window.electronAPI.invoke('save-search-history', history);
}
} catch (err) {
console.error('Error saving search history to localStorage:', err);
}
}
// Store current theme colors globally for use by renderTabs
let currentThemeColors = null;
// Apply theme colors to the main UI (URL bar and tabs)
function applyThemeToMainUI(theme) {
if (!theme || !theme.colors) return;
const root = document.documentElement;
const colors = theme.colors;
// Store colors globally for renderTabs to use
currentThemeColors = colors;
// Set CSS variables on root for elements using var()
const setVar = (cssVar, value, fallback) => {
const val = value || fallback;
if (val) root.style.setProperty(cssVar, val);
};
// Core palette so popups/menus and the address bar stay in sync
setVar('--bg', colors.bg, '#0b0d10');
setVar('--dark-blue', colors.darkBlue, '#0b1c2b');
setVar('--dark-purple', colors.darkPurple, '#1b1035');
setVar('--primary', colors.primary, '#7b2eff');
setVar('--accent', colors.accent, '#00c6ff');
setVar('--text', colors.text, '#e0e0e0');
// URL bar + tab strip styling
setVar('--url-bar-bg', colors.urlBarBg, '#1c2030');
setVar('--url-bar-text', colors.urlBarText, '#e0e0e0');
setVar('--url-bar-border', colors.urlBarBorder, '#3e4652');
setVar('--tab-bg', colors.tabBg, '#161925');
setVar('--tab-text', colors.tabText, '#a4a7b3');
setVar('--tab-active', colors.tabActive, '#1c2030');
setVar('--tab-active-text', colors.tabActiveText, '#e0e0e0');
setVar('--tab-border', colors.tabBorder, '#2b3040');
// Also directly apply to key elements to ensure styles take effect
const nav = document.getElementById('nav');
const titlebarContainer = document.getElementById('titlebar-container');
const tabBar = document.getElementById('tab-bar');
const urlBox = document.getElementById('url');
const navCenter = document.querySelector('.nav-center');
if (nav) {
nav.style.setProperty('background', colors.urlBarBg || '#1c2030', 'important');
nav.style.setProperty('border-bottom-color', colors.urlBarBorder || '#3e4652', 'important');
}
if (navCenter) {
navCenter.style.setProperty('background', colors.urlBarBg || '#1c2030', 'important');
navCenter.style.setProperty('border-color', colors.urlBarBorder || '#3e4652', 'important');
}
if (titlebarContainer) {
titlebarContainer.style.setProperty('background', colors.tabBg || '#161925', 'important');
}
if (tabBar) {
tabBar.style.setProperty('background', colors.tabBg || '#161925', 'important');
tabBar.style.setProperty('border-bottom-color', colors.tabBorder || '#2b3040', 'important');
}
if (urlBox) {
urlBox.style.setProperty('color', colors.urlBarText || '#e0e0e0', 'important');
}
// Update existing tab elements to reflect new theme colors
document.querySelectorAll('.tab').forEach(tab => {
const isActive = tab.classList.contains('active');
tab.style.setProperty('background', isActive
? (colors.tabActive || '#1c2030')
: (colors.tabBg || '#161925'), 'important');
tab.style.setProperty('color', isActive
? (colors.tabActiveText || '#e0e0e0')
: (colors.tabText || '#a4a7b3'), 'important');
tab.style.setProperty('border-color', colors.tabBorder || '#2b3040', 'important');
});
// Align the chrome background with the theme gradient or fallback
if (theme.gradient) {
document.body.style.background = theme.gradient;
} else if (colors.bg) {
document.body.style.background = colors.bg;
}
// Persist so other pages (home/settings) can pull the latest palette
try { localStorage.setItem('currentTheme', JSON.stringify(theme)); } catch {}
console.log('[THEME] Applied theme to main UI:', {
urlBarBg: colors.urlBarBg,
tabBg: colors.tabBg,
navFound: !!nav,
titlebarFound: !!titlebarContainer,
tabBarFound: !!tabBar
});
}
// Detect platform and add class to body for CSS platform-specific styling
(function detectPlatform() {
const platform = navigator.platform.toLowerCase();
if (platform.includes('mac')) {
document.body.classList.add('platform-darwin');
} else if (platform.includes('win')) {
document.body.classList.add('platform-win32');
} else {
document.body.classList.add('platform-linux');
}
})();
// 1) cache hot DOM references
const urlBox = document.getElementById('url');
const tabBarEl = document.getElementById('tab-bar');
const viewHostEl = document.getElementById('view-host');
const menuPopup = document.getElementById('menu-popup');
// (Removed old custom HTML context menu in favor of native Electron menu)
function updateBrowserViewBounds() {
if (!viewHostEl) return;
const rect = viewHostEl.getBoundingClientRect();
ipcRenderer.invoke('browserview-set-bounds', {
x: rect.left,
y: rect.top,
width: rect.width,
height: rect.height
}).catch(() => {});
}
window.addEventListener('resize', () => {
updateBrowserViewBounds();
});
// Select all text on focus and prevent mouseup from deselecting
urlBox.addEventListener('focus', () => {
urlBox.select();
});
urlBox.addEventListener('mouseup', e => e.preventDefault());
// Add Enter key navigation
urlBox.addEventListener('keydown', (e) => {
if (e.key === 'Enter') {
navigate();
}
});
let tabs = [];
let activeTabId = null;
let isHistoryNavigation = false; // Flag to prevent duplicate history entries during back/forward
const allowedInternalPages = ['settings', 'home', 'downloads', 'nebot', 'insecure'];
// Session-scoped allowlist of HTTP hosts the user explicitly chose to proceed with.
const insecureBypassedHosts = new Set();
let pluginPages = []; // { id, file, fileUrl, pluginId }
let pluginPagesReady = false;
const pendingInternalNavigations = [];
// Allow isolated worlds / plugin preloads (contextIsolation) to request opening an internal page
window.addEventListener('message', (e) => {
try {
const data = e.data;
if (!data || typeof data !== 'object') return;
if (data.type === 'open-internal-page' && typeof data.url === 'string') {
console.log('[DEBUG] Message request to open internal page:', data.url);
createTab(data.url);
} else if (data.type === 'navigate' && typeof data.url === 'string') {
// Fallback navigation from pages (like insecure.html) when electronAPI.sendToHost is unavailable
try {
if (data.opts && data.opts.insecureBypass && /^http:\/\//i.test(data.url)) {
const h = new URL(data.url).hostname;
insecureBypassedHosts.add(h);
}
} catch {}
urlBox.value = data.url;
navigate();
}
} catch (err) {
console.warn('[DEBUG] open-internal-page handler error', err);
}
});
// Fetch plugin-provided pages (nebula://<id>) once on startup
(async () => {
try {
console.log('[DEBUG] About to request plugin pages from main process...');
pluginPages = await ipcRenderer.invoke('plugins-get-pages');
console.log('[DEBUG] Loaded pluginPages:', pluginPages);
console.log('[DEBUG] allowedInternalPages before:', allowedInternalPages);
for (const p of pluginPages) {
if (p && p.id && !allowedInternalPages.includes(p.id)) {
console.log('[DEBUG] Adding plugin page to allowed list:', p.id);
allowedInternalPages.push(p.id);
}
}
console.log('[DEBUG] allowedInternalPages after:', allowedInternalPages);
} catch (e) {
console.warn('Failed to load plugin pages', e);
}
finally {
pluginPagesReady = true;
console.log('[DEBUG] Plugin pages ready, flushing', pendingInternalNavigations.length, 'pending navigations');
// Flush any queued internal navigations that occurred before readiness
while (pendingInternalNavigations.length) {
const fn = pendingInternalNavigations.shift();
try { fn(); } catch {}
}
}
})();
let bookmarks = [];
// Efficient render scheduling to avoid redundant DOM work
let tabsRenderPending = false;
// Track previous order and positions for FLIP animations
let lastTabOrder = [];
let closingTabs = new Set();
function scheduleRenderTabs() {
if (tabsRenderPending) return;
tabsRenderPending = true;
requestAnimationFrame(() => {
tabsRenderPending = false;
renderTabs();
});
}
// Debounce nav button updates to reduce layout work
let navButtonsPending = false;
let backBtnCached = null;
let fwdBtnCached = null;
function scheduleUpdateNavButtons() {
if (navButtonsPending) return;
navButtonsPending = true;
requestAnimationFrame(() => {
navButtonsPending = false;
try { updateNavButtons(); } catch {}
});
}
// Derive a stable, safe label for a tab without throwing on non-URLs
function getTabLabel(tab) {
if (tab.title && tab.title !== 'New Tab') return tab.title;
const u = tab.url || '';
try {
if (u.startsWith('data:image')) return 'Image';
if (u.startsWith('data:')) return 'Data';
if (u.startsWith('blob:')) return 'Resource';
if (u.startsWith('http')) return new URL(u).hostname;
if (u.startsWith('nebula://')) return u.replace('nebula://', '');
return u || 'New Tab';
} catch {
return u || 'New Tab';
}
}
// Load bookmarks on startup
async function loadBookmarks() {
try {
bookmarks = await ipcRenderer.invoke('load-bookmarks');
} catch (error) {
console.error('Error loading bookmarks in main context:', error);
bookmarks = [];
}
}
// Function to save bookmarks
async function saveBookmarks(newBookmarks) {
try {
bookmarks = newBookmarks;
await ipcRenderer.invoke('save-bookmarks', bookmarks);
} catch (error) {
console.error('Error saving bookmarks in main context:', error);
}
}
// Load bookmarks when the script starts
loadBookmarks();
// Initial home tab will be created on DOMContentLoaded
// Remove iframe-based navigation listener (using webview IPC now)
// Listen for site history updates from main process
// NOTE: electronAPI.on wrapper strips the original event object and only forwards args.
// Handlers therefore must NOT expect the event parameter.
ipcRenderer.on('record-site-history', (url) => {
debug('[DEBUG] Received site history update:', url);
if (typeof url === 'string' && url) addToSiteHistory(url);
});
// Main process requests opening a URL in a new tab (window.open interception)
ipcRenderer.on('open-url-new-tab', (url) => {
console.log('[DEBUG] IPC open-url-new-tab received:', url);
if (typeof url === 'string' && url) createTab(url);
});
// Messages from BrowserView pages (sendToHost fallback)
ipcRenderer.on('browserview-host-message', (payload) => {
console.log('[Renderer] browserview-host-message received:', payload);
const data = payload || {};
const channel = data.channel;
const args = data.args || [];
if (!channel) return;
if (channel === 'navigate' && args[0]) {
console.log('[Renderer] Navigating to:', args[0]);
const targetUrl = args[0];
const opts = args[1] || {};
try {
if (opts.insecureBypass && /^http:\/\//i.test(targetUrl)) {
const h = new URL(targetUrl).hostname;
insecureBypassedHosts.add(h);
}
} catch {}
if (opts.newTab) {
createTab(targetUrl);
} else {
urlBox.value = targetUrl;
navigate();
}
} else if (channel === 'theme-update' && args[0]) {
const theme = args[0];
applyThemeToMainUI(theme);
ipcRenderer.send('browserview-broadcast', { channel: 'theme-update', args: [theme] });
}
});
// Commands from the overlay menu window
function runMenuCommand(cmd) {
if (!cmd) return;
switch (cmd) {
case 'open-settings':
openSettings();
break;
case 'open-downloads':
openDownloads();
break;
case 'toggle-devtools':
window.electronAPI?.toggleDevTools?.();
break;
case 'big-picture':
window.bigPictureAPI?.launch?.();
break;
case 'zoom-in':
zoomIn();
break;
case 'zoom-out':
zoomOut();
break;
case 'hard-reload':
hardReload();
break;
case 'fresh-reload':
freshReload();
break;
default:
break;
}
}
const isLinux = document.body.classList.contains('platform-linux');
function hideMainMenuPopup() {
if (!isLinux) {
// Windows/macOS: hide the popup window
ipcRenderer.send('menu-popup-hide');
}
}
function showNativeAppMenu() {
if (!menuBtn) return;
const rect = menuBtn.getBoundingClientRect();
if (isLinux) {
// Linux: use native OS menu (renders above BrowserView reliably)
ipcRenderer.invoke('show-app-menu', {
x: Math.round(rect.right - 200),
y: Math.round(rect.bottom + 4)
}).catch(() => {});
} else {
// Windows/macOS: use the custom popup window
const theme = currentThemeColors ? { colors: currentThemeColors } : null;
ipcRenderer.send('menu-popup-toggle', {
anchorRect: { x: rect.left, y: rect.top, width: rect.width, height: rect.height },
anchorScreenPoint: {
x: Math.round(window.screenX + rect.right),
y: Math.round(window.screenY + rect.bottom)
},
theme
});
}
}
ipcRenderer.on('menu-command', (payload) => {
const cmd = payload?.cmd;
runMenuCommand(cmd);
hideMainMenuPopup();
});
// Auto-open on download start is disabled by design now.
function createTab(inputUrl) {
inputUrl = inputUrl || 'nebula://home';
console.log('[DEBUG] createTab() inputUrl =', inputUrl);
const id = crypto.randomUUID();
if (inputUrl.startsWith('nebula://') && !pluginPagesReady) {
// Defer creation until plugin pages known to avoid 404 race
console.log('[DEBUG] Deferring createTab until pluginPagesReady');
pendingInternalNavigations.push(() => createTab(inputUrl));
return id;
}
let resolvedUrl = resolveInternalUrl(inputUrl);
console.log('[DEBUG] createTab resolvedUrl:', resolvedUrl, 'from inputUrl:', inputUrl);
// Keep data: URLs intact; BrowserView cannot consume blob URLs created in the UI process.
tabs.push({
id,
url: inputUrl,
title: 'New Tab',
favicon: null,
history: [inputUrl],
historyIndex: 0
});
ipcRenderer.invoke('browserview-create', { tabId: id, url: resolvedUrl })
.then(() => {
setActiveTab(id);
updateBrowserViewBounds();
})
.catch(() => {});
scheduleRenderTabs();
return id;
}
// Expose for plugin usage (e.g., Nebot panel "Open Page")
try { window.createTab = createTab; } catch {}
function resolveInternalUrl(url) {
console.log('[DEBUG] resolveInternalUrl called with:', url);
if (url.startsWith('nebula://')) {
// Support query / hash on internal pages (e.g., nebula://insecure?target=...)
const tail = url.replace('nebula://', '');
const page = tail.split(/[?#]/)[0];
const suffix = tail.slice(page.length); // includes ? and/or # if present
console.log('[DEBUG] Extracted page:', page);
// Fast path: if user typed nebula://nebot and plugin page exists, return immediately
if (page === 'nebot') {
const nebotPage = pluginPages.find(p => p.id === 'nebot');
console.log('[DEBUG] Fast path for nebot, pluginPages:', pluginPages, 'nebotPage:', nebotPage);
if (nebotPage && (nebotPage.fileUrl || nebotPage.file)) {
const resolvedFast = nebotPage.fileUrl || (nebotPage.file.startsWith('file://') ? nebotPage.file : 'file://' + nebotPage.file.replace(/\\/g,'/'));
console.log('[DEBUG] Fast path nebot resolve ->', resolvedFast);
return resolvedFast;
}
console.log('[DEBUG] No plugin page found for nebot, falling back to nebot.html');
}
console.log('[DEBUG] Checking if page in allowedInternalPages:', page, 'list:', allowedInternalPages);
if (allowedInternalPages.includes(page)) {
// Check if this page is provided by a plugin (absolute file path)
const plug = pluginPages.find(p => p.id === page);
console.log('[DEBUG] Resolving nebula://' + page, 'plug:', plug);
if (plug && (plug.fileUrl || plug.file)) {
// Prefer pre-built fileUrl for correctness across platforms
const resolved = plug.fileUrl ? plug.fileUrl : (plug.file.startsWith('file://') ? plug.file : 'file://' + plug.file.replace(/\\/g,'/'));
console.log('[DEBUG] Resolved plugin page', page, '->', resolved);
return resolved + suffix;
}
// Fallback: built-in renderer copy (resolve to absolute file URL)
console.log('[DEBUG] Using fallback for page:', page);
const rel = `${page}.html${suffix}`;
try {
return new URL(rel, window.location.href).toString();
} catch {
return rel;
}
}
console.log('[DEBUG] Page not in allowedInternalPages, returning 404');
try {
return new URL('404.html', window.location.href).toString();
} catch {
return '404.html';
}
}
// Allow direct loading of common schemes without forcing https://
if (/^(https?:|file:|data:|blob:)/i.test(url)) return url;
return `https://${url}`;
}
function handleLoadFail(tabId) {
return (event) => {
if (!event.validatedURL.includes('nebula://') && event.errorCode !== -3) {
const badUrl = tabs.find(t => t.id === tabId)?.url || '';
ipcRenderer.invoke('browserview-load-url', {
tabId,
url: `404.html?url=${encodeURIComponent(badUrl)}`
}).catch(() => {});
}
};
}
function updateTabMetadata(id, key, value) {
const tab = tabs.find(t => t.id === id);
if (tab) {
tab[key] = value;
scheduleRenderTabs();
}
}
function performNavigation(input, originalInputForHistory) {
const tab = tabs.find(t => t.id === activeTabId);
if (!tab) return;
const hasProtocol = /^https?:\/\//i.test(input);
const isFileProtocol = /^file:\/\//i.test(input);
const looksLikeLocalPath = /^(?:[A-Za-z]:\\|\\\\|\/?)[^?]*\.(?:x?html?)$/i.test(input);
const isInternal = input.startsWith('nebula://');
const isLikelyUrl = hasProtocol || input.includes('.');
let resolved;
let isSearch = false;
if (isFileProtocol) {
resolved = input;
} else if (looksLikeLocalPath) {
let p = input.replace(/\\/g,'/');
if (/^[A-Za-z]:\//.test(p)) resolved = 'file:///' + encodeURI(p); else if (p.startsWith('/')) resolved = 'file://' + encodeURI(p); else resolved = 'file://' + encodeURI(p);
} else if (!isInternal && !isLikelyUrl) {
resolved = `https://www.google.com/search?q=${encodeURIComponent(input)}`;
isSearch = true;
// Save to search history
addToSearchHistory(input);
} else {
resolved = resolveInternalUrl(input);
}
console.log('[DEBUG] performNavigation input:', input, 'resolved:', resolved, 'isInternal:', isInternal);
// Intercept plain HTTP (not HTTPS) navigations (excluding localhost / 127.* / internal pages)
try {
if (!isInternal && /^http:\/\//i.test(resolved)) {
const u = new URL(resolved);
const host = u.hostname;
const isLoopback = /^(localhost|127\.0\.0\.1|::1)$/.test(host);
if (!isLoopback && !insecureBypassedHosts.has(host)) {
const encoded = encodeURIComponent(resolved);
// Directly load insecure.html (avoid custom scheme so OS doesn't try to resolve an external handler)
resolved = `insecure.html?target=${encoded}`;
}
}
} catch (e) { debug('[DEBUG] HTTP interception error', e); }
if (!activeTabId) {
createTab(input);
return;
}
tab.history = tab.history.slice(0, tab.historyIndex + 1);
tab.history.push(originalInputForHistory);
tab.historyIndex++;
tab.url = originalInputForHistory;
ipcRenderer.invoke('browserview-load-url', { tabId: activeTabId, url: resolved }).catch(() => {});
scheduleRenderTabs();
scheduleUpdateNavButtons();
}
function navigate() {
const rawInput = urlBox.value.trim();
let input = rawInput;
if ((input.startsWith('"') && input.endsWith('"')) || (input.startsWith("'") && input.endsWith("'"))) input = input.slice(1, -1);
if (input !== rawInput) urlBox.value = input;
const isInternal = input.startsWith('nebula://');
if (isInternal && !pluginPagesReady) {
const captured = input; // preserve original
pendingInternalNavigations.push(() => performNavigation(captured, captured));
return;
}
performNavigation(input, input);
}
// Keyboard shortcut: Ctrl+O (Cmd+O on mac) to open a local file
document.addEventListener('keydown', async (e) => {
const isAccel = (navigator.platform.includes('Mac') ? e.metaKey : e.ctrlKey);
if (isAccel && e.key.toLowerCase() === 'o') {
e.preventDefault();
if (window.electronAPI && window.electronAPI.openLocalFile) {
const fileUrl = await window.electronAPI.openLocalFile();
if (fileUrl) {
urlBox.value = fileUrl;
navigate();
}
}
}
});
function handleNavigation(tabId, newUrl) {
const tab = tabs.find(t => t.id === tabId);
if (!tab) return;
debug('[DEBUG] handleNavigation called with:', newUrl);
// --- record every real navigation into history ---
// Skip adding to history if this is a programmatic back/forward navigation
if (!isHistoryNavigation) {
// Check both current position AND last recorded URL to prevent duplicates from
// multiple event firings (did-navigate + did-navigate-in-page)
const lastRecordedUrl = tab.history[tab.history.length - 1];
if (tab.history[tab.historyIndex] !== newUrl && lastRecordedUrl !== newUrl) {
tab.history = tab.history.slice(0, tab.historyIndex + 1);
tab.history.push(newUrl);
tab.historyIndex++;
}
} else {
// Reset flag after handling the navigation
isHistoryNavigation = false;
}
// Record site history in localStorage (skip internal pages and file:// URLs)
if (!newUrl.endsWith('home.html') &&
!newUrl.endsWith('settings.html') &&
!newUrl.startsWith('file://') &&
!newUrl.includes('nebula://') &&
newUrl.startsWith('http')) {
debug('[DEBUG] Adding to site history:', newUrl);
addToSiteHistory(newUrl);
// Also send to main process for file storage
ipcRenderer.invoke('save-site-history-entry', newUrl);
}
// translate local files back to our nebula:// scheme
const isHome = newUrl.endsWith('home.html');
const isSettings = newUrl.endsWith('settings.html');
const isDownloads = newUrl.endsWith('downloads.html');
const isNebot = newUrl.endsWith('nebot.html');
const isInsecure = newUrl.includes('insecure.html');
const is404 = newUrl.includes('404.html');
const displayUrl = isHome
? 'nebula://home'
: isSettings
? 'nebula://settings'
: isDownloads
? 'nebula://downloads'
: isNebot
? 'nebula://nebot'
: isInsecure
? 'nebula://insecure'
: is404
? 'nebula://404'
: newUrl;
tab.url = displayUrl;
// Clear favicon and reset title for internal nebula:// pages
if (displayUrl.startsWith('nebula://')) {
tab.favicon = null;
// Set appropriate title for each internal page
if (isHome) {
tab.title = 'New Tab';
} else if (isSettings) {
tab.title = 'Settings';
} else if (isDownloads) {
tab.title = 'Downloads';
} else if (isNebot) {
tab.title = 'Nebot';
} else if (isInsecure) {
tab.title = 'Insecure Connection';
} else if (is404) {
tab.title = 'Page Not Found';
}
}
if (tabId === activeTabId) {
urlBox.value = displayUrl === 'nebula://home' ? '' : displayUrl;
}
scheduleRenderTabs();
scheduleUpdateNavButtons();
}
function setActiveTab(id) {
activeTabId = id;
ipcRenderer.invoke('browserview-set-active', { tabId: id }).catch(() => {});
updateBrowserViewBounds();
const tab = tabs.find(t => t.id === id);
if (tab) {
urlBox.value = tab.url === 'nebula://home' ? '' : tab.url;
scheduleRenderTabs();
updateNavButtons();
updateZoomUI();
}
}
function closeTab(id) {
// Play closing animation on tab button, then remove
const btn = tabBarEl.querySelector(`[data-tab-id="${id}"]`);
if (btn && !closingTabs.has(id)) {
closingTabs.add(id);
btn.classList.add('tab--closing');
// Pre-calc which tab should become active if we're closing the active tab
const idx = tabs.findIndex(t => t.id === id);
const nextActiveId = (id === activeTabId)
? (tabs[idx - 1]?.id ?? tabs[idx + 1]?.id ?? tabs[0]?.id)
: activeTabId;
btn.addEventListener('animationend', () => {
ipcRenderer.invoke('browserview-destroy', { tabId: id }).catch(() => {});
// Remove from model
tabs = tabs.filter(t => t.id !== id);
// Choose a new active tab if needed
if (tabs.length > 0 && nextActiveId) setActiveTab(nextActiveId);
closingTabs.delete(id);
scheduleRenderTabs();
updateNavButtons();
}, { once: true });
return;
}
// Fallback (no button rendered yet)
ipcRenderer.invoke('browserview-destroy', { tabId: id }).catch(() => {});
tabs = tabs.filter(t => t.id !== id);
if (id === activeTabId && tabs.length > 0) setActiveTab(tabs[0].id);
scheduleRenderTabs();
updateNavButtons();
}
// 2) streamline renderTabs with a fragment
function renderTabs() {
// Measure initial positions (First) for existing elements
const firstRects = new Map();
const existing = Array.from(tabBarEl.querySelectorAll('.tab'));
existing.forEach(el => {
firstRects.set(el.dataset.tabId, el.getBoundingClientRect());
});
const frag = document.createDocumentFragment();
if (tabBarEl && tabBarEl.getAttribute('role') !== 'tablist') {
tabBarEl.setAttribute('role', 'tablist');
}
// Create tab elements
const currentOrder = [];
tabs.forEach(tab => {
const el = document.createElement('div');
el.className = 'tab' + (tab.id === activeTabId ? ' active' : '');
el.classList.add('tab--flip');
el.setAttribute('role', 'tab');
el.setAttribute('aria-selected', String(tab.id === activeTabId));
el.setAttribute('tabindex', tab.id === activeTabId ? '0' : '-1');
el.dataset.tabId = tab.id;
currentOrder.push(tab.id);
// Apply theme colors to new tab element
if (currentThemeColors) {
const isActive = tab.id === activeTabId;
el.style.setProperty('background', isActive
? (currentThemeColors.tabActive || '#1c2030')
: (currentThemeColors.tabBg || '#161925'), 'important');
el.style.setProperty('color', isActive
? (currentThemeColors.tabActiveText || '#e0e0e0')
: (currentThemeColors.tabText || '#a4a7b3'), 'important');
el.style.setProperty('border-color', currentThemeColors.tabBorder || '#2b3040', 'important');
}
if (!lastTabOrder.includes(tab.id)) {
// New tab enters with animation
el.classList.add('tab--enter');
}
if (tab.favicon) {
const icon = document.createElement('img');
icon.src = tab.favicon;
icon.className = 'tab-favicon';
icon.onerror = function() {
this.style.display = 'none';
};
el.appendChild(icon);
}
const title = document.createElement('span');
title.className = 'tab-title';
title.textContent = getTabLabel(tab);
el.appendChild(title);
const closeBtn = document.createElement('button');
closeBtn.className = 'tab-close';
closeBtn.title = 'Close tab';
closeBtn.textContent = '×';
closeBtn.addEventListener('click', (e) => {
e.stopPropagation();
closeTab(tab.id);
});
el.appendChild(closeBtn);
el.addEventListener('mousedown', (e) => {
if (e.button === 1) {
e.preventDefault();
closeTab(tab.id);
}
});
el.draggable = true;
el.addEventListener('dragstart', e => {
e.dataTransfer.setData('tabId', tab.id);
e.dataTransfer.setData('text/plain', tab.id);
// Hide default ghost image; use an empty drag image
const ghost = document.createElement('canvas');
ghost.width = 1; ghost.height = 1; // 1x1 transparent pixel
const ctx = ghost.getContext('2d');
if (ctx) { ctx.clearRect(0, 0, 1, 1); }
e.dataTransfer.setDragImage(ghost, 0, 0);
if (e.dataTransfer) {
e.dataTransfer.effectAllowed = 'move';
e.dataTransfer.dropEffect = 'move';
}
// visual lift on drag start
el.classList.add('tab--dragging');
// Store initial pointer offset to keep tab under cursor
const rect = el.getBoundingClientRect();
el._dragOffsetX = e.clientX - rect.left;
el._dragStartLeft = rect.left;
el._dragStartTop = rect.top;
});
el.addEventListener('dragenter', e => {
// If another tab is being dragged over this one, hint before/after
const draggedId = (e.dataTransfer && (e.dataTransfer.getData('tabId') || e.dataTransfer.getData('text/plain'))) || null;
if (!draggedId || draggedId === tab.id) return;
const rect = el.getBoundingClientRect();
const x = e.clientX;
const before = (x - rect.left) < rect.width / 2;
el.classList.toggle('tab--drop-before', before);
el.classList.toggle('tab--drop-after', !before);
});
el.addEventListener('dragover', e => {
e.preventDefault();
// Continuously update hint side while hovering
const rect = el.getBoundingClientRect();
const before = (e.clientX - rect.left) < rect.width / 2;
el.classList.toggle('tab--drop-before', before);
el.classList.toggle('tab--drop-after', !before);
});
// While dragging, move the actual element to follow cursor horizontally (attach once).
if (!tabBarEl._dragoverAttached) {
tabBarEl.addEventListener('dragover', (evt) => {
const draggingEl = tabBarEl.querySelector('.tab.tab--dragging');
if (!draggingEl) return;
evt.preventDefault();
if (evt.dataTransfer) evt.dataTransfer.dropEffect = 'move';
const barRect = tabBarEl.getBoundingClientRect();
const targetX = evt.clientX - barRect.left - (draggingEl._dragOffsetX || 0);
// Translate relative to its current position
const elRect = draggingEl.getBoundingClientRect();
const dx = targetX - (elRect.left - barRect.left);
draggingEl.style.transform = `translateX(${dx}px)`;
});
tabBarEl._dragoverAttached = true;
}
el.addEventListener('dragleave', () => {
el.classList.remove('tab--drop-before', 'tab--drop-after');
});
el.addEventListener('drop', e => {
e.preventDefault();
const draggedId = e.dataTransfer.getData('tabId') || e.dataTransfer.getData('text/plain');
if (!draggedId || draggedId === tab.id) return;
const fromIndex = tabs.findIndex(t => t.id === draggedId);
const toIndex = tabs.findIndex(t => t.id === tab.id);
if (fromIndex === -1 || toIndex === -1) return;
const rect = el.getBoundingClientRect();
const after = (e.clientX - rect.left) > rect.width / 2;
const newIndex = toIndex + (after ? 1 : 0);
const [moved] = tabs.splice(fromIndex, 1);
const adjIndex = fromIndex < newIndex ? newIndex - 1 : newIndex;
tabs.splice(adjIndex, 0, moved);
el.classList.remove('tab--drop-before', 'tab--drop-after');
// Reset dragging transform before re-render FLIP
const draggingEl = tabBarEl.querySelector('.tab.tab--dragging');
if (draggingEl) draggingEl.style.transform = '';
scheduleRenderTabs();
});
el.addEventListener('dragend', e => {
// Clear dragging visual state
el.classList.remove('tab--dragging');
el.style.transform = '';
// Clean any lingering hints
el.classList.remove('tab--drop-before', 'tab--drop-after');
if (
e.clientX < 0 || e.clientX > window.innerWidth ||
e.clientY < 0 || e.clientY > window.innerHeight
) {
ipcRenderer.invoke('open-tab-in-new-window', tab.url);
closeTab(tab.id);
}
});
el.addEventListener('click', () => setActiveTab(tab.id));
frag.appendChild(el);
});
// New tab button
const plus = document.createElement('button');
plus.className = 'new-tab-button';
plus.title = 'New tab';
plus.setAttribute('aria-label', 'New tab');
plus.textContent = '+';
plus.addEventListener('click', () => createTab());
frag.appendChild(plus);
// Swap DOM: to support FLIP, we need to keep the old nodes around until we can measure Last
tabBarEl.innerHTML = '';
tabBarEl.appendChild(frag);
// Measure final positions (Last)
const lastRects = new Map();
Array.from(tabBarEl.querySelectorAll('.tab')).forEach(el => {
lastRects.set(el.dataset.tabId, el.getBoundingClientRect());
});
// Apply FLIP: invert then play
Array.from(tabBarEl.querySelectorAll('.tab')).forEach(el => {
const id = el.dataset.tabId;
const first = firstRects.get(id);
const last = lastRects.get(id);
if (!first || !last) return;
const dx = first.left - last.left;
const dy = first.top - last.top;
if (dx || dy) {
el.style.transform = `translate(${dx}px, ${dy}px)`;
el.getBoundingClientRect(); // force reflow
el.style.transform = '';
}
});
// Update order for next render
lastTabOrder = currentOrder.slice();
}
// 1) handle URL sent by main for a detached window
ipcRenderer.on('open-url', (url) => {
for (const t of tabs) {
ipcRenderer.invoke('browserview-destroy', { tabId: t.id }).catch(() => {});
}
tabs = [];
activeTabId = null;
tabBarEl.innerHTML = '';
if (typeof url === 'string' && url) createTab(url); else createTab();
});
function goBack() {
const tab = tabs.find(t => t.id === activeTabId);
if (!tab) return;
// Use custom history tracking to properly handle internal pages like home
if (tab.historyIndex > 0) {
tab.historyIndex--;
const targetUrl = tab.history[tab.historyIndex];
isHistoryNavigation = true;
const resolvedUrl = resolveInternalUrl(targetUrl);
ipcRenderer.invoke('browserview-load-url', { tabId: activeTabId, url: resolvedUrl }).catch(() => {});
}
}
function goForward() {
const tab = tabs.find(t => t.id === activeTabId);
if (!tab) return;
// Use custom history tracking to properly handle internal pages like home
if (tab.historyIndex < tab.history.length - 1) {
tab.historyIndex++;
const targetUrl = tab.history[tab.historyIndex];
isHistoryNavigation = true;
const resolvedUrl = resolveInternalUrl(targetUrl);
ipcRenderer.invoke('browserview-load-url', { tabId: activeTabId, url: resolvedUrl }).catch(() => {});
}
}
function updateNavButtons() {
const tab = tabs.find(t => t.id === activeTabId);
if (!backBtnCached || !fwdBtnCached) {
backBtnCached = document.querySelector('.nav-left button:nth-child(1)');
fwdBtnCached = document.querySelector('.nav-left button:nth-child(2)');
}
// Use custom history tracking for button state
if (backBtnCached) backBtnCached.disabled = !tab || tab.historyIndex <= 0;
if (fwdBtnCached) fwdBtnCached.disabled = !tab || tab.historyIndex >= tab.history.length - 1;
}
function reload() {
if (!activeTabId) return;
ipcRenderer.invoke('browserview-reload', { tabId: activeTabId, ignoreCache: false }).catch(() => {});
scheduleUpdateNavButtons();
}
function hardReload() {
if (!activeTabId) return;
ipcRenderer.invoke('browserview-reload', { tabId: activeTabId, ignoreCache: true }).catch(() => {});
scheduleUpdateNavButtons();
}
function freshReload() {
if (!activeTabId) return;
ipcRenderer.invoke('browserview-get-url', { tabId: activeTabId }).then((currentUrl) => {
if (!currentUrl) return hardReload();
try {
const u = new URL(currentUrl);
u.searchParams.set('_bust', Date.now().toString());
ipcRenderer.invoke('browserview-load-url', { tabId: activeTabId, url: u.toString() }).catch(() => {});
} catch {
hardReload();
}
});
}
// Function to open the Settings page
function openSettings() {
createTab('nebula://settings');
}
// Open Downloads manager page
function openDownloads() {
createTab('nebula://downloads');
}
// Toggle menu dropdown
const menuBtn = document.getElementById('menu-btn');
const menuWrapper = document.querySelector('.menu-wrapper');
// Downloads mini popup elements
let downloadsBtnEl = null;
let downloadsPopupEl = null;
let downloadsListEl = null;
let downloadsEmptyEl = null;
let downloadsShowAllBtn = null;
let ringSvgEl = null;
// Open/close on button click; stop propagation so outside-click handler doesn't immediately close it
menuBtn.addEventListener('click', (e) => {
e.stopPropagation();
showNativeAppMenu();
});
// Close on Escape key
document.addEventListener('keydown', (e) => {
if (e.key === 'Escape') hideMainMenuPopup();
if (e.key === 'Escape' && downloadsPopupEl && !downloadsPopupEl.classList.contains('hidden')) {
hideDownloadsPopup();
}
});
// Close menus when BrowserView receives focus
ipcRenderer.on('browserview-event', (payload) => {
if (!payload || !payload.type) return;
const { tabId, type } = payload;
if (type === 'focus') {
hideMainMenuPopup();
if (downloadsPopupEl && !downloadsPopupEl.classList.contains('hidden')) hideDownloadsPopup();
return;
}
if (type === 'page-title-updated') {
updateTabMetadata(tabId, 'title', payload.title);
return;
}
if (type === 'page-favicon-updated') {
const fav = payload.favicons?.[0];
if (fav) updateTabMetadata(tabId, 'favicon', fav);
return;
}
if (type === 'did-navigate' || type === 'did-navigate-in-page') {
if (payload.url) {
handleNavigation(tabId, payload.url);
if (/\/cdn-cgi\//.test(payload.url) || /challenge/i.test(payload.url)) {
console.log('[Nebula] Cloudflare challenge detected at', payload.url);
}
}
return;
}
if (type === 'did-finish-load') {
scheduleUpdateNavButtons();
return;
}
if (type === 'did-fail-load') {
handleLoadFail(tabId)({
validatedURL: payload.validatedURL || '',
errorCode: payload.errorCode,
errorDescription: payload.errorDescription,
isMainFrame: payload.isMainFrame
});
}
});
window.addEventListener('DOMContentLoaded', () => {
// Initialize theme from localStorage
const savedTheme = localStorage.getItem('currentTheme');
if (savedTheme) {
try {
const theme = JSON.parse(savedTheme);
applyThemeToMainUI(theme);
ipcRenderer.send('browserview-broadcast', { channel: 'theme-update', args: [theme] });
} catch (err) {
console.error('Error applying saved theme:', err);
}
}
// Initialize display scale (zoom) from localStorage
const savedDisplayScale = localStorage.getItem('nebula-display-scale');
if (savedDisplayScale) {
try {
const scale = Number(savedDisplayScale);
if (scale > 0 && scale <= 300) {
const zoomFactor = scale / 100;
if (ipcRenderer && typeof ipcRenderer.invoke === 'function') {
ipcRenderer.invoke('set-zoom-factor', zoomFactor).catch(err => {
console.error('Error setting zoom factor:', err);
});
}
}
} catch (err) {
console.error('Error applying saved display scale:', err);
}
}
// Initial boot
createTab();
updateBrowserViewBounds();
// Fallback: listen for postMessage navigations from embedded pages (home/settings)
window.addEventListener('message', (event) => {
if (event.data && event.data.type === 'navigate' && event.data.url) {
if (event.data.newTab) {
createTab(event.data.url);
} else {
urlBox.value = event.data.url;
navigate();
}
}
});
// only now bind the reload button (guaranteed to exist)
const reloadBtn = document.getElementById('reload-btn');
reloadBtn.addEventListener('click', reload);
const hardReloadBtn = document.getElementById('hard-reload-btn');
if (hardReloadBtn) hardReloadBtn.addEventListener('click', hardReload);
const freshReloadBtn = document.getElementById('fresh-reload-btn');
if (freshReloadBtn) freshReloadBtn.addEventListener('click', freshReload);
// bind zoom buttons (single binding)
const zoomInBtn = document.getElementById('zoom-in-btn');
const zoomOutBtn = document.getElementById('zoom-out-btn');
zoomInBtn.addEventListener('click', zoomIn);
zoomOutBtn.addEventListener('click', zoomOut);
// DevTools toggle button
const devtoolsBtn = document.getElementById('devtools-btn');
if (devtoolsBtn && window.electronAPI && window.electronAPI.toggleDevTools) {
devtoolsBtn.addEventListener('click', () => {
window.electronAPI.toggleDevTools();
});
}
// Big Picture Mode button
const bigPictureBtn = document.getElementById('bigpicture-btn');
if (bigPictureBtn && window.bigPictureAPI && window.bigPictureAPI.launch) {
bigPictureBtn.addEventListener('click', async () => {
try {
await window.bigPictureAPI.launch();
hideMainMenuPopup();
} catch (e) {
console.error('Failed to launch Big Picture Mode:', e);
}
});
}
if (menuPopup) {
menuPopup.addEventListener('click', (e) => {
const button = e.target instanceof HTMLElement ? e.target.closest('button') : null;
if (!button) return;
const id = button.id;
if (!id) return;
if (id !== 'zoom-in-btn' && id !== 'zoom-out-btn') {
hideMainMenuPopup();
}
e.stopPropagation();
});
}
document.addEventListener('click', (e) => {
if (!menuPopup || menuPopup.classList.contains('hidden')) return;
if (menuWrapper && !menuWrapper.contains(e.target)) {
hideMainMenuPopup();
}
});
// Cache back/forward buttons for faster updates (no need to add listeners - already in HTML)
backBtnCached = document.querySelector('.nav-left button:nth-child(1)');
fwdBtnCached = document.querySelector('.nav-left button:nth-child(2)');
// settings button
const settingsBtn = document.getElementById('open-settings-btn');
if (settingsBtn) settingsBtn.addEventListener('click', openSettings);
// downloads button
downloadsBtnEl = document.getElementById('downloads-btn');
downloadsPopupEl = document.getElementById('downloads-popup');
downloadsListEl = document.getElementById('downloads-list');
downloadsEmptyEl = document.getElementById('downloads-empty');
downloadsShowAllBtn = document.getElementById('downloads-show-all');
if (downloadsBtnEl) {
// Insert progress ring SVG
const ring = document.createElement('div');
ring.className = 'ring';
ring.innerHTML = '<svg viewBox="0 0 40 40" aria-hidden="true"><circle class="bg" cx="20" cy="20" r="16.5"></circle><circle class="fg" cx="20" cy="20" r="16.5" stroke-dasharray="103.67" stroke-dashoffset="103.67"></circle></svg>';
downloadsBtnEl.appendChild(ring);
ringSvgEl = ring.querySelector('circle.fg');
downloadsBtnEl.addEventListener('click', (e)=>{
e.stopPropagation();
toggleDownloadsPopup();
});
}
if (downloadsShowAllBtn) downloadsShowAllBtn.addEventListener('click', ()=> { hideDownloadsPopup(); openDownloads(); });
// Close popup if clicking elsewhere
document.addEventListener('click', (e)=>{
if (!downloadsPopupEl || downloadsPopupEl.classList.contains('hidden')) return;
const wrapper = downloadsPopupEl.parentElement;
if (wrapper && !wrapper.contains(e.target)) hideDownloadsPopup();
});
// Initialize list with any existing downloads
refreshDownloadsMini();
// Subscribe to updates
window.downloadsAPI?.onStarted(()=> { refreshDownloadsMini(); });
window.downloadsAPI?.onUpdated(()=> { refreshDownloadsMini(); });
window.downloadsAPI?.onDone(()=> { refreshDownloadsMini(); });
window.downloadsAPI?.onCleared(()=> { refreshDownloadsMini(); });
// window control bindings (Windows frameless window)
const minBtn = document.getElementById('min-btn');
const maxBtn = document.getElementById('max-btn');
const closeBtn = document.getElementById('close-btn');
const windowControls = document.getElementById('window-controls');
console.log('[WindowControls] Elements found:', { minBtn: !!minBtn, maxBtn: !!maxBtn, closeBtn: !!closeBtn, windowControls: !!windowControls });
// Detect platform - hide controls on macOS (uses native traffic lights)
const isMacOS = navigator.platform.toUpperCase().indexOf('MAC') >= 0;
console.log('[WindowControls] Platform:', navigator.platform, 'isMacOS:', isMacOS);
if (windowControls) {
if (isMacOS) {
// Hide window controls on macOS
windowControls.style.display = 'none';
// Remove right padding for window controls
document.getElementById('tab-bar').style.paddingRight = '10px';
} else if (minBtn && maxBtn && closeBtn) {
// Windows/Linux: Set up custom title bar controls
console.log('[WindowControls] Setting up event listeners for Windows/Linux');
minBtn.addEventListener('click', (e) => {
console.log('[WindowControls] Minimize clicked');
e.stopPropagation();
ipcRenderer.invoke('window-minimize');
});
maxBtn.addEventListener('click', async (e) => {
console.log('[WindowControls] Maximize clicked');
e.stopPropagation();
await ipcRenderer.invoke('window-maximize');
updateMaximizeIcon();
});
closeBtn.addEventListener('click', (e) => {
console.log('[WindowControls] Close clicked');
e.stopPropagation();
ipcRenderer.invoke('window-close');
});
// Update maximize icon based on window state
async function updateMaximizeIcon() {
try {
const isMaximized = await ipcRenderer.invoke('window-is-maximized');
const maximizeIcon = maxBtn.querySelector('.maximize-icon');
const restoreIcon = maxBtn.querySelector('.restore-icon');
if (maximizeIcon && restoreIcon) {
maximizeIcon.style.display = isMaximized ? 'none' : 'block';
restoreIcon.style.display = isMaximized ? 'block' : 'none';
maxBtn.title = isMaximized ? 'Restore' : 'Maximize';
maxBtn.setAttribute('aria-label', isMaximized ? 'Restore' : 'Maximize');
}
} catch (e) {
// Ignore errors during state check
}
}
// Initial state check
updateMaximizeIcon();
// Listen for window resize to update maximize icon
window.addEventListener('resize', () => {
// Debounce resize events
clearTimeout(window._maximizeIconTimeout);
window._maximizeIconTimeout = setTimeout(updateMaximizeIcon, 100);
});
}
}
// update initial zoom display
ipcRenderer.invoke('get-zoom-factor').then(z => {
document.getElementById('zoom-percent').textContent = `${Math.round(z * 100)}%`;
});
// (Removed broken duplicate context menu wiring)
// Migrate existing site history from JSON file to localStorage (one-time migration)
const migrateSiteHistory = async () => {
try {
// Check if we already have data in localStorage
const existingHistory = getSiteHistory();
if (existingHistory.length === 0) {
// Try to load from the old JSON file system
console.log('Attempting to migrate site history from JSON file...');
// Since we can't access the file directly, we'll just start fresh
// The site-history.json file was the old method, localStorage is the new method
}
} catch (err) {
console.log('Site history migration skipped:', err.message);
}
};
migrateSiteHistory();
// ipcRenderer.invoke('load-bookmarks').then(bs => {
// bookmarks = bs;
// console.log('[DEBUG] Loaded bookmarks:', bookmarks);
// });
});
// Global keyboard shortcut for DevTools (Ctrl+Shift+I or F12)
document.addEventListener('keydown', (e) => {
const isMod = (e.ctrlKey || e.metaKey) && e.shiftKey && (e.key === 'I' || e.key === 'i');
if (isMod || e.key === 'F12') {
if (window.electronAPI && window.electronAPI.toggleDevTools) {
window.electronAPI.toggleDevTools();
e.preventDefault();
}
}
});
// zoom helpers
function updateZoomUI() {
const zp = document.getElementById('zoom-percent');
if (zp) {
ipcRenderer.invoke('get-zoom-factor').then(zf => {
// just show "NN%", not "Zoom: NN%"
zp.textContent = `${Math.round(zf * 100)}%`;
});
}
}
function zoomIn() { ipcRenderer.invoke('zoom-in').then(updateZoomUI); }
function zoomOut() { ipcRenderer.invoke('zoom-out').then(updateZoomUI); }
// Optional: sample plugin demo hook (safe if plugin missing)
try {
if (window.sampleHello && typeof window.sampleHello.onHello === 'function') {
window.sampleHello.onHello((payload) => {
console.log('[Sample Plugin] Hello message:', payload);
});
}
} catch {}
// Utility: close the menu when interacting with a given element (e.g., webview)
function attachCloseMenuOnInteract(el) {
if (!el) return;
const closeIfOpen = () => {
hideMainMenuPopup();
if (downloadsPopupEl && !downloadsPopupEl.classList.contains('hidden')) {
hideDownloadsPopup();
}
};
el.addEventListener('mousedown', closeIfOpen);
el.addEventListener('pointerdown', closeIfOpen);
el.addEventListener('focus', closeIfOpen, true);
}
// Use electronAPI from preload - already defined at top of file
// Native context menu: delegate to main via preload API
document.addEventListener('contextmenu', (e) => {
// Determine if inside a webview or general renderer area
const inWebviewArea = e.target.tagName === 'WEBVIEW' || e.composedPath().some(el => el.id === 'webviews');
if (!inWebviewArea) return; // Let default OS menu appear in text inputs etc. if desired
e.preventDefault();
// Try to extract link/image/selection info (limited for <webview>, better done inside page but sandboxed)
const selection = window.getSelection()?.toString() || '';
window.electronAPI?.showContextMenu({
clientX: e.clientX,
clientY: e.clientY,
selectionText: selection,
isEditable: false
});
});
// Handle commands from main process triggered by context menu
window.addEventListener('nebula-context-command', (e) => {
const { cmd, url } = e.detail || {};
if (!cmd) return;
switch (cmd) {
case 'open-link-new-tab':
if (url) createTab(url);
break;
case 'open-image-new-tab':
if (url) createTab(url);
break;
case 'save-image':
if (!url) return;
// Try direct network save first (http/file/data)
if (/^(https?:|file:|data:)/i.test(url)) {
window.electronAPI.saveImageFromNet(url);
return;
}
// For blob: URLs we need to resolve inside the active webview by converting to dataURL
if (url.startsWith('blob:')) {
if (activeTabId) {
const code = `(async()=>{try{const r=await fetch('${url}');const b=await r.blob();return new Promise(res=>{const fr=new FileReader();fr.onload=()=>res(fr.result);fr.readAsDataURL(b);});}catch(e){return null;}})();`;
ipcRenderer.invoke('browserview-execute-js', { tabId: activeTabId, code }).then(dataUrl => {
if (dataUrl) {
window.electronAPI.saveImageToDisk('image', dataUrl);
}
});
}
}
break;
}
});
// ------------------------------
// Downloads mini UI helpers
// ------------------------------
function toggleDownloadsPopup() {
if (!downloadsPopupEl) return;
if (downloadsPopupEl.classList.contains('hidden')) showDownloadsPopup(); else hideDownloadsPopup();
}
function showDownloadsPopup() {
if (!downloadsPopupEl) return;
downloadsPopupEl.classList.remove('hidden');
}
function hideDownloadsPopup() {
if (!downloadsPopupEl) return;
downloadsPopupEl.classList.add('hidden');
}
function fmtBytesMini(n) {
if (!n || n <= 0) return '0 B';
const u = ['B','KB','MB','GB','TB'];
const i = Math.floor(Math.log(n)/Math.log(1024));
return (n/Math.pow(1024,i)).toFixed(i===0?0:1) + ' ' + u[i];
}
async function refreshDownloadsMini() {
if (!window.downloadsAPI) return;
const items = await window.downloadsAPI.list();
const has = items && items.length > 0;
if (downloadsEmptyEl) downloadsEmptyEl.style.display = has ? 'none' : 'block';
if (downloadsListEl) downloadsListEl.innerHTML = (items||[]).slice(0,5).map(d => {
const pct = d.totalBytes > 0 ? Math.min(100, Math.round((d.receivedBytes||0)*100/d.totalBytes)) : (d.state==='completed'?100:0);
return `
<div class="dl-item" data-id="${d.id}">
<div class="dl-file" title="${d.filename}">${d.filename}</div>
<div class="dl-actions">
${d.state==='in-progress' ? `
<button data-act="${d.paused?'resume':'pause'}">${d.paused?'Resume':'Pause'}</button>
<button data-act="cancel">Cancel</button>
` : `
<button data-act="open-file" ${d.state!=='completed'?'disabled':''}>Open</button>
<button data-act="show-in-folder">Show</button>
`}
</div>
<div class="dl-meta">${d.state} · ${fmtBytesMini(d.receivedBytes||0)} / ${fmtBytesMini(d.totalBytes||0)}</div>
<div class="dl-progress"><div class="dl-bar" style="width:${pct}%"></div></div>
</div>`;
}).join('');
if (downloadsListEl) {
downloadsListEl.onclick = async (e) => {
const btn = e.target.closest('button');
if (!btn) return;
const itemEl = btn.closest('.dl-item');
const id = itemEl?.getAttribute('data-id');
const act = btn.getAttribute('data-act');
if (!id || !act) return;
await window.downloadsAPI.action(id, act);
if (act==='cancel') refreshDownloadsMini();
};
}
updateDownloadsRing(items||[]);
}
function updateDownloadsRing(items) {
if (!ringSvgEl) return;
// Compute aggregate progress for in-progress downloads
const inprog = items.filter(d => d.state === 'in-progress');
const total = inprog.reduce((a,d)=> a + (d.totalBytes||0), 0);
const done = inprog.reduce((a,d)=> a + (d.receivedBytes||0), 0);
let pct = 0;
if (total > 0) pct = Math.max(0, Math.min(1, done/total));
// If none in progress but some completed recently, show full ring briefly; else hide
const circumference = 103.67; // 2 * PI * r (r=16.5)
const offset = circumference * (1 - pct);
ringSvgEl.style.strokeDasharray = `${circumference}`;
ringSvgEl.style.strokeDashoffset = `${offset}`;
// Hide ring when no active downloads
const show = inprog.length > 0;
ringSvgEl.style.opacity = show ? '1' : '0';
}