tabs/resources/js/index.js

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JavaScript
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const {
remote,
ipcRenderer,
clipboard,
shell,
} = require('electron');
const {
Menu,
MenuItem,
dialog,
session,
} = remote;
const appInfo = {};
const icons = [];
let services = [];
let selectedService = null;
let statusButton, homeButton, forwardButton, backButton, reloadButton;
let addButton, settingsButton;
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let emptyPage;
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let urlPreview;
// Service reordering
let lastDragPosition, oldActiveService;
// Service context menu
function openServiceContextMenu(event, serviceId) {
event.preventDefault();
const service = services[serviceId];
const menu = new Menu();
const ready = service.view && service.viewReady, notReady = !service.view && !service.viewReady;
menu.append(new MenuItem({
label: 'Home', click: () => {
service.view.loadURL(service.url)
.catch(console.error);
},
enabled: ready,
}));
menu.append(new MenuItem({
label: ready ? 'Reload' : 'Load', click: () => {
reloadService(serviceId);
},
enabled: ready || notReady,
}));
menu.append(new MenuItem({
label: 'Close', click: () => {
unloadService(serviceId);
},
enabled: ready,
}));
menu.append(new MenuItem({type: "separator"}));
let permissionsMenu = [];
if (ready) {
for (const domain in service.permissions) {
if (service.permissions.hasOwnProperty(domain)) {
const domainPermissionsMenu = [];
const domainPermissions = service.permissions[domain];
for (const permission of domainPermissions) {
domainPermissionsMenu.push({
label: (permission.authorized ? '✓' : '❌') + ' ' + permission.name,
submenu: [{
label: 'Toggle',
click: () => {
permission.authorized = !permission.authorized;
updateServicePermissions(serviceId);
},
}, {
label: 'Forget',
click: () => {
service.permissions[domain] = domainPermissions.filter(p => p !== permission);
},
}],
});
}
if (domainPermissionsMenu.length > 0) {
permissionsMenu.push({
label: domain,
submenu: domainPermissionsMenu,
});
}
}
}
}
menu.append(new MenuItem({
label: 'Permissions',
enabled: ready,
submenu: permissionsMenu,
}));
menu.append(new MenuItem({type: "separator"}));
menu.append(new MenuItem({
label: 'Edit', click: () => {
ipcRenderer.send('openServiceSettings', serviceId);
}
}));
menu.append(new MenuItem({
label: 'Delete', click: () => {
dialog.showMessageBox(remote.getCurrentWindow(), {
type: 'question',
title: 'Confirm',
message: 'Are you sure you want to delete this service?',
buttons: ['Cancel', 'Confirm'],
cancelId: 0,
}).then(result => {
if (result.response === 1) {
ipcRenderer.send('deleteService', serviceId);
}
}).catch(console.error);
}
}));
menu.popup({window: remote.getCurrentWindow()});
}
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ipcRenderer.on('data', (event, appData, brandIcons, solidIcons, actualServices, actualSelectedService, emptyUrl) => {
// App info
appInfo.title = appData.title;
// Icons
for (const icon of brandIcons) {
icons.push(icon);
}
for (const icon of solidIcons) {
icons.push(icon);
}
console.log('Updating services ...');
services = actualServices;
const nav = document.querySelector('#service-selector');
while (nav.children.length > 0) {
nav.removeChild(nav.children[0]);
}
const serviceContainer = document.querySelector('#services');
serviceContainer.querySelectorAll(":scope > webview").forEach(w => serviceContainer.removeChild(w));
for (let i = 0; i < services.length; i++) {
createService(i);
}
// Init drag last position
lastDragPosition = document.getElementById('service-last-drag-position');
lastDragPosition.addEventListener('dragover', () => {
const index = services.length;
if (draggedId !== index && draggedId !== index - 1) {
resetDrag();
lastDragTarget = dragTargetId = index;
lastDragPosition.classList.remove('hidden');
lastDragPosition.classList.add('drag-target');
}
});
// Set active service
if (actualSelectedService < 0 || actualSelectedService >= services.length) {
actualSelectedService = 0;
}
setActiveService(actualSelectedService);
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// Empty
emptyPage = emptyUrl;
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// Url preview element
urlPreview = document.getElementById("url-preview");
urlPreview.addEventListener('mouseover', () => {
if (urlPreview.classList.contains('right')) {
urlPreview.classList.remove('right');
} else {
urlPreview.classList.add('right');
}
});
});
function removeServiceFeatures(id) {
const nav = document.querySelector('#service-selector');
// Remove nav
const oldNavButton = nav.querySelector('li:nth-of-type(' + (id + 1) + ')');
if (oldNavButton) {
nav.removeChild(oldNavButton);
}
// Remove webview
if (services[id] && services[id].view) {
const serviceContainer = document.querySelector('#services');
serviceContainer.removeChild(services[id].view);
}
return oldNavButton;
}
ipcRenderer.on('updateService', (e, id, data) => {
if (id === null) {
services.push(data);
createService(services.length - 1);
} else {
const oldNavButton = removeServiceFeatures(id);
// Create new service
services[id] = data;
createService(id, oldNavButton ? oldNavButton.nextSibling : null);
if (parseInt(selectedService) === id) {
setActiveService(id);
}
}
});
ipcRenderer.on('reorderService', (e, serviceId, targetId) => {
const oldServices = services;
services = [];
let newId = targetId;
for (let i = 0; i < targetId; i++) {
if (i !== serviceId) {
services.push(oldServices[i]);
if (i === oldActiveService) newId = services.length - 1;
}
}
services.push(oldServices[serviceId]);
for (let i = targetId; i < oldServices.length; i++) {
if (i !== serviceId) {
services.push(oldServices[i]);
if (i === oldActiveService) newId = services.length - 1;
}
}
document.getElementById('service-selector').innerHTML = '';
for (let i = 0; i < services.length; i++) {
services[i].li = undefined;
createService(i);
}
setActiveService(newId);
});
ipcRenderer.on('deleteService', (e, id) => {
removeServiceFeatures(id);
if (parseInt(selectedService) === id) {
setActiveService(0);
}
delete services[id];
services = services.filter(s => s !== null);
});
function createService(index, nextNavButton) {
let service = services[index];
let li = document.createElement('li');
service.li = li;
let button = document.createElement('button');
button.dataset.serviceId = '' + index;
button.dataset.tooltip = service.name;
button.addEventListener('click', () => {
setActiveService(button.dataset.serviceId);
ipcRenderer.send('setActiveService', button.dataset.serviceId);
});
button.addEventListener('contextmenu', e => openServiceContextMenu(e, index));
let icon;
if (service.useFavicon && service.favicon != null) {
icon = document.createElement('img');
icon.src = service.favicon;
icon.alt = service.name;
} else if (service.isImage) {
icon = document.createElement('img');
icon.src = service.icon;
icon.alt = service.name;
} else {
icon = document.createElement('i');
const iconProperties = icons.find(i => i.name === service.icon);
if (iconProperties) {
iconProperties.faIcon.split(' ').forEach(cl => {
icon.classList.add(cl);
});
}
}
button.appendChild(icon);
li.appendChild(button);
li.button = button;
const nav = document.querySelector('#service-selector');
if (nextNavButton === nav || nextNavButton === undefined) {
nav.appendChild(li);
} else {
nav.insertBefore(li, nextNavButton);
}
if (service.autoLoad) {
loadService(index, service);
}
initDrag(index, li);
}
let draggedId;
let lastDragTarget = -1;
let dragTargetId = -1;
let dragTargetCount = 0;
function initDrag(index, li) {
li.serviceId = index;
li.draggable = true;
li.addEventListener('dragstart', (event) => {
draggedId = index;
event.dataTransfer.dropEffect = 'move';
document.getElementById('service-last-drag-position').classList.remove('hidden');
});
li.addEventListener('dragover', (e) => {
let realIndex = index;
let rect = li.getBoundingClientRect();
if ((e.clientY - rect.y) / rect.height >= 0.5) {
realIndex++;
}
if (draggedId === realIndex - 1) {
realIndex--;
}
resetDrag();
let el = realIndex === services.length ? lastDragPosition : services[realIndex].li;
lastDragTarget = dragTargetId = realIndex;
lastDragPosition.classList.remove('hidden');
el.classList.add('drag-target');
if (draggedId === realIndex || draggedId === realIndex - 1) el.classList.add('drag-target-self');
});
li.addEventListener('dragend', () => {
reorderService(draggedId, lastDragTarget);
resetDrag();
});
}
function resetDrag() {
lastDragTarget = -1;
dragTargetId = -1;
dragTargetCount = 0;
document.getElementById('service-selector').querySelectorAll('li').forEach(li => {
li.classList.remove('drag-target');
li.classList.remove('drag-target-self');
});
const lastDragPosition = document.getElementById('service-last-drag-position');
lastDragPosition.classList.remove('drag-target');
lastDragPosition.classList.add('hidden');
}
function reorderService(serviceId, targetId) {
console.log('Reordering service', serviceId, targetId);
if (targetId >= 0) {
oldActiveService = selectedService;
setActiveService(null);
ipcRenderer.send('reorderService', serviceId, targetId);
}
}
document.addEventListener('DOMContentLoaded', () => {
statusButton = document.getElementById('status');
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homeButton = document.getElementById('home');
homeButton.addEventListener('click', () => goHome());
forwardButton = document.getElementById('forward');
forwardButton.addEventListener('click', () => goForward());
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backButton = document.getElementById('back');
backButton.addEventListener('click', () => goBack());
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reloadButton = document.getElementById('reload');
reloadButton.addEventListener('click', () => reload());
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addButton = document.getElementById('add-button');
addButton.addEventListener('click', () => ipcRenderer.send('openServiceSettings', null));
settingsButton = document.getElementById('settings-button');
settingsButton.addEventListener('click', () => ipcRenderer.send('openSettings', null));
});
function setActiveService(serviceId) {
const currentService = services[serviceId];
process.nextTick(() => {
if (currentService) {
loadService(serviceId, currentService);
}
// Hide previous service
if (services[selectedService] && services[selectedService].view) {
services[selectedService].view.classList.remove('active');
}
// Show service
if (currentService) {
currentService.view.classList.add('active');
}
// Save active service ID
selectedService = serviceId;
// Refresh navigation
updateNavigation();
});
}
function loadService(serviceId, service) {
// Load service if not loaded yet
if (!service.view && !service.viewReady) {
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console.log('Loading service', serviceId);
document.querySelector('#services > .loader').classList.remove('hidden');
service.view = document.createElement('webview');
service.view.setAttribute('enableRemoteModule', 'false');
service.view.setAttribute('partition', 'persist:service_' + service.partition);
service.view.setAttribute('autosize', 'true');
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service.view.setAttribute('src', emptyPage);
// Append element to DOM
document.querySelector('#services').appendChild(service.view);
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// Load chain
let listener;
service.view.addEventListener('dom-ready', listener = () => {
service.view.removeEventListener('dom-ready', listener);
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service.view.addEventListener('dom-ready', listener = () => {
if (service.customCSS) {
service.view.insertCSS(service.customCSS);
}
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document.querySelector('#services > .loader').classList.add('hidden');
service.li.classList.add('loaded');
service.viewReady = true;
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updateNavigation();
if (selectedService === null) {
setActiveService(serviceId);
}
});
const webContents = remote.webContents.fromId(service.view.getWebContentsId());
// Set custom user agent
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if (typeof service.customUserAgent === 'string') {
webContents.setUserAgent(service.customUserAgent);
}
// Set context menu
setContextMenu(webContents);
// Set permission request handler
function getUrlDomain(url) {
let domain = url.match(/^https?:\/\/((.+?)\/|(.+))/i)[1];
if (domain.endsWith('/')) domain = domain.substr(0, domain.length - 1);
return domain;
}
function getDomainPermissions(domain) {
let domainPermissions = service.permissions[domain];
if (!domainPermissions) domainPermissions = service.permissions[domain] = [];
return domainPermissions;
}
let serviceSession = session.fromPartition(service.view.partition);
serviceSession.setPermissionRequestHandler(((webContents, permissionName, callback, details) => {
let domain = getUrlDomain(details.requestingUrl);
let domainPermissions = getDomainPermissions(domain);
let existingPermissions = domainPermissions.filter(p => p.name === permissionName);
if (existingPermissions.length > 0) {
callback(existingPermissions[0].authorized);
return;
}
dialog.showMessageBox(remote.getCurrentWindow(), {
type: 'question',
title: 'Grant ' + permissionName + ' permission',
message: 'Do you wish to grant the ' + permissionName + ' permission to ' + domain + '?',
buttons: ['Deny', 'Authorize'],
cancelId: 0,
}).then(result => {
const authorized = result.response === 1;
domainPermissions.push({
name: permissionName,
authorized: authorized,
});
updateServicePermissions(serviceId);
console.log(authorized ? 'Granted' : 'Denied', permissionName, 'for domain', domain);
callback(authorized);
}).catch(console.error);
}));
serviceSession.setPermissionCheckHandler((webContents1, permissionName, requestingOrigin, details) => {
console.log('Permission check', permissionName, requestingOrigin, details);
let domain = getUrlDomain(details.requestingUrl);
let domainPermissions = getDomainPermissions(domain);
let existingPermissions = domainPermissions.filter(p => p.name === permissionName);
return existingPermissions.length > 0 && existingPermissions[0].authorized;
});
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service.view.setAttribute('src', service.url);
});
// Load favicon
service.view.addEventListener('page-favicon-updated', event => {
console.debug('Loaded favicons for', service.name, event.favicons);
if (event.favicons.length > 0 && service.favicon !== event.favicons[0]) {
ipcRenderer.send('setServiceFavicon', serviceId, event.favicons[0]);
if (service.useFavicon) {
const img = document.createElement('img');
img.src = event.favicons[0];
img.alt = service.name;
img.onload = () => {
service.li.button.innerHTML = '';
service.li.button.appendChild(img);
};
}
}
});
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// Display target urls
service.view.addEventListener('update-target-url', (event) => {
if (event.url.length === 0) {
urlPreview.classList.add('hidden');
} else {
urlPreview.classList.remove('hidden');
urlPreview.innerHTML = event.url;
}
});
}
}
function unloadService(serviceId) {
const service = services[serviceId];
if (service.view && service.viewReady) {
service.view.remove();
service.view = null;
service.li.classList.remove('loaded');
service.viewReady = false;
if (parseInt(selectedService) === serviceId) {
selectedService = null;
for (let i = 0; i < services.length; i++) {
if (services[i].view && services[i].viewReady) {
setActiveService(i);
break;
}
}
if (selectedService === null) {
updateNavigation();
}
}
}
}
function reloadService(serviceId) {
const service = services[serviceId];
if (service.view && service.viewReady) {
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console.log('Reloading service', serviceId);
document.querySelector('#services > .loader').classList.remove('hidden');
service.view.reload();
} else if (!service.view && !service.viewReady) {
loadService(serviceId, service);
}
}
function updateServicePermissions(serviceId) {
const service = services[serviceId];
ipcRenderer.send('updateServicePermissions', serviceId, service.permissions);
}
function updateNavigation() {
console.debug('Updating navigation');
// Update active list element
for (let i = 0; i < services.length; i++) {
const service = services[i];
// Active?
if (parseInt(selectedService) === i) service.li.classList.add('active');
else service.li.classList.remove('active');
// Loaded?
if (service.viewReady) service.li.classList.add('loaded');
else service.li.classList.remove('loaded');
}
if (selectedService !== null && services[selectedService].viewReady) {
console.debug('Updating navigation buttons because view is ready');
// Update history navigation
let view = services[selectedService].view;
homeButton.classList.remove('disabled');
if (view && view.canGoForward()) forwardButton.classList.remove('disabled');
else forwardButton.classList.add('disabled');
if (view && view.canGoBack()) backButton.classList.remove('disabled');
else backButton.classList.add('disabled');
reloadButton.classList.remove('disabled');
updateStatusButton();
}
updateWindowTitle();
}
function updateStatusButton() {
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let protocol = services[selectedService].view.getURL().split('://')[0];
if (!protocol) protocol = 'unknown';
for (const c of statusButton.children) {
if (c.classList.contains(protocol)) c.classList.add('active');
else c.classList.remove('active');
}
}
function updateWindowTitle() {
if (selectedService === null) {
ipcRenderer.send('updateWindowTitle', null);
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} else if (services[selectedService].viewReady) {
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ipcRenderer.send('updateWindowTitle', selectedService, remote.webContents.fromId(services[selectedService].view.getWebContentsId()).getTitle());
}
}
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function goHome() {
let service = services[selectedService];
service.view.loadURL(service.url)
.catch(console.error);
}
function goForward() {
let view = services[selectedService].view;
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if (view) remote.webContents.fromId(view.getWebContentsId()).goForward();
}
function goBack() {
let view = services[selectedService].view;
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if (view) remote.webContents.fromId(view.getWebContentsId()).goBack();
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}
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function reload() {
reloadService(selectedService);
}
function setContextMenu(webContents) {
webContents.on('context-menu', (event, props) => {
const menu = new Menu();
const {editFlags} = props;
// linkURL
if (props.linkURL.length > 0) {
if (menu.items.length > 0) {
menu.append(new MenuItem({type: 'separator'}));
}
menu.append(new MenuItem({
label: 'Copy link URL',
click: () => {
clipboard.writeText(props.linkURL);
},
}));
menu.append(new MenuItem({
label: 'Open URL in default browser',
click: () => {
if (props.linkURL.startsWith('https://')) {
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shell.openExternal(props.linkURL)
.catch(console.error);
}
},
}));
}
// Image
if (props.hasImageContents) {
if (menu.items.length > 0) {
menu.append(new MenuItem({type: 'separator'}));
}
menu.append(new MenuItem({
label: 'Copy image',
click: () => {
webContents.copyImageAt(props.x, props.y);
},
}));
menu.append(new MenuItem({
label: 'Save image as',
click: () => {
webContents.downloadURL(props.srcURL);
},
}));
}
// Text clipboard
if (editFlags.canUndo || editFlags.canRedo || editFlags.canCut || editFlags.canCopy || editFlags.canPaste || editFlags.canDelete) {
if (editFlags.canUndo || editFlags.canRedo) {
if (menu.items.length > 0) {
menu.append(new MenuItem({type: 'separator'}));
}
if (editFlags.canUndo) {
menu.append(new MenuItem({
label: 'Undo',
role: 'undo',
}));
}
if (editFlags.canRedo) {
menu.append(new MenuItem({
label: 'Redo',
role: 'redo',
}));
}
}
if (menu.items.length > 0) {
menu.append(new MenuItem({type: 'separator'}));
}
menu.append(new MenuItem({
label: 'Cut',
role: 'cut',
enabled: editFlags.canCut,
}));
menu.append(new MenuItem({
label: 'Copy',
role: 'copy',
enabled: editFlags.canCopy,
}));
menu.append(new MenuItem({
label: 'Paste',
role: 'paste',
enabled: editFlags.canPaste,
}));
menu.append(new MenuItem({
label: 'Delete',
role: 'delete',
enabled: editFlags.canDelete,
}));
}
if (editFlags.canSelectAll) {
if (menu.items.length > 0) {
menu.append(new MenuItem({type: 'separator'}));
}
menu.append(new MenuItem({
label: 'Select all',
role: 'selectAll',
}));
}
// Inspect element
if (menu.items.length > 0) {
menu.append(new MenuItem({type: 'separator'}));
}
menu.append(new MenuItem({
label: 'Inspect element',
click: () => {
webContents.inspectElement(props.x, props.y);
},
}));
menu.popup({
window: remote.getCurrentWindow(),
});
});
}