tabs/resources/js/index.js

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JavaScript
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const {
remote,
ipcRenderer,
} = require('electron');
const {
Menu,
MenuItem,
dialog,
} = remote;
const appInfo = {};
const icons = [];
let services = [];
let selectedService = null;
let forwardButton;
let backButton;
let addButton;
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let emptyPage;
// 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"}));
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
const 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;
});
ipcRenderer.on('updateService', (e, id, data) => {
if (id === null) {
services.push(data);
createService(services.length - 1);
} else {
const nav = document.querySelector('#service-selector');
// Remove nav
const oldNavButton = nav.querySelector('li:nth-of-type(' + (id + 1) + ')');
const nextNavButton = oldNavButton.nextSibling;
nav.removeChild(oldNavButton);
// Remove webview
if (services[id].view) {
const serviceContainer = document.querySelector('#services');
serviceContainer.removeChild(services[id].view);
}
// Create new service
services[id] = data;
createService(id, nextNavButton);
if (parseInt(selectedService) === id) {
setActiveService(id);
}
}
});
ipcRenderer.on('reorderService', (e, serviceId, targetId) => {
const oldServices = services;
services = [];
for (let i = 0; i < targetId; i++) {
if (i !== serviceId) {
services.push(oldServices[i]);
}
}
services.push(oldServices[serviceId]);
const newId = services.length - 1;
for (let i = targetId; i < oldServices.length; i++) {
if (i !== serviceId) {
services.push(oldServices[i]);
}
}
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) => {
const nav = document.querySelector('#service-selector');
// Remove nav
const navButton = nav.querySelector('li:nth-of-type(' + (id + 1) + ')');
if (navButton) {
nav.removeChild(navButton);
}
// Remove webview
if (services[id].view) {
const serviceContainer = document.querySelector('#services');
serviceContainer.removeChild(services[id].view);
}
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', () => {
if (draggedId !== index && draggedId !== index - 1) {
resetDrag();
lastDragTarget = dragTargetId = index;
document.getElementById('service-last-drag-position').classList.remove('hidden');
li.classList.add('drag-target');
}
});
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');
});
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) {
setActiveService(null);
ipcRenderer.send('reorderService', serviceId, targetId);
}
}
document.addEventListener('DOMContentLoaded', () => {
forwardButton = document.querySelector('#forward');
forwardButton.addEventListener('click', () => goForward());
backButton = document.querySelector('#back');
backButton.addEventListener('click', () => goBack());
addButton = document.querySelector('#add-button');
addButton.addEventListener('click', () => ipcRenderer.send('openServiceSettings', 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('partition', 'persist:service_' + service.partition);
service.view.setAttribute('autosize', 'true');
service.view.setAttribute('preload', 'js/service-webview.js');
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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);
}
});
if (typeof service.customUserAgent === 'string') {
let webContents = remote.webContents.fromId(service.view.getWebContentsId());
webContents.setUserAgent(service.customUserAgent);
}
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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) {
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);
};
}
}
});
}
}
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 updateNavigation() {
console.debug('Updating navigation');
// Update active list element
for (let i = 0; i < services.length; i++) {
const service = services[i];
if (parseInt(selectedService) === i) {
service.li.classList.add('active');
} else {
service.li.classList.remove('active');
}
}
if (selectedService !== null && services[selectedService].viewReady) {
console.debug('Updating navigation buttons because view is ready');
// Update history navigation
let view = services[selectedService].view;
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');
}
updateWindowTitle();
}
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());
}
}
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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}