VikBooking Hotel Booking Engine & PMS / 1.6.8

VikBooking Hotel Booking Engine & PMS v1.6.8

vikbooking / admin / resources / vbocore.js

vbocore.js in VikBooking Hotel Booking Engine & PMS 1.6.8, at admin/resources/vbocore.js

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1	/**
2	* VikBooking Core v1.6.8
3	* Copyright (C) 2024 E4J s.r.l. All Rights Reserved.
4	* http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
5	* https://vikwp.com \| https://e4j.com \| https://e4jconnect.com
6	*/
7	(function($, w) {
8	'use strict';
9
10	w['VBOCore'] = class VBOCore {
11
12	/**
13	* Proxy to support static injection of params.
14	*/
15	constructor(params) {
16	if (typeof params === 'object') {
17	VBOCore.setOptions(params);
18	}
19	}
20
21	/**
22	* Inject options by overriding default properties.
23	*
24	* @param object params
25	*
26	* @return self
27	*/
28	static setOptions(params) {
29	if (typeof params === 'object') {
30	VBOCore.options = Object.assign(VBOCore.options, params);
31	}
32
33	return VBOCore;
34	}
35
36	/**
37	* Getter for admin_widgets private options property.
38	*
39	* @return array
40	*/
41	static get admin_widgets() {
42	return VBOCore.options.admin_widgets;
43	}
44
45	/**
46	* Getter for multitask open event private property.
47	*
48	* @return string
49	*/
50	static get multitask_open_event() {
51	return VBOCore.options.multitask_open_event;
52	}
53
54	/**
55	* Getter for multitask close event private property.
56	*
57	* @return string
58	*/
59	static get multitask_close_event() {
60	return VBOCore.options.multitask_close_event;
61	}
62
63	/**
64	* Getter for multitask shortcut event private property.
65	*
66	* @return string
67	*/
68	static get multitask_shortcut_event() {
69	return VBOCore.options.multitask_shortcut_ev;
70	}
71
72	/**
73	* Getter for multitask seach focus shortcut event private property.
74	*
75	* @return string
76	*/
77	static get multitask_searchfs_event() {
78	return VBOCore.options.multitask_searchfs_ev;
79	}
80
81	/**
82	* Getter for multitask event widget modal rendered.
83	*
84	* @return string
85	*/
86	static get widget_modal_rendered() {
87	return VBOCore.options.widget_modal_rendered;
88	}
89
90	/**
91	* Getter for widget modal dismiss event.
92	*
93	* @return string
94	*/
95	static get widget_modal_dismissed() {
96	return VBOCore.options.widget_modal_dismissed;
97	}
98
99	/**
100	* Getter for the service worker file path.
101	*
102	* @return string
103	*/
104	static get service_worker_path() {
105	return VBOCore.options.service_worker_path;
106	}
107
108	/**
109	* Getter for the service worker scope.
110	*
111	* @return string
112	*/
113	static get service_worker_scope() {
114	return VBOCore.options.service_worker_scope;
115	}
116
117	/**
118	* Getter for the push application key.
119	*
120	* @return string
121	*/
122	static get push_application_key() {
123	return VBOCore.options.push.application_key;
124	}
125
126	/**
127	* Getter for the push storage endpoint identifier.
128	*
129	* @return string
130	*/
131	static get push_storage_endpoint_id() {
132	return VBOCore.options.push_options.storage_endp_id;
133	}
134
135	/**
136	* Parses an AJAX response error object.
137	*
138	* @param object err
139	*
140	* @return bool
141	*/
142	static isConnectionLostError(err) {
143	if (!err \|\| !err.hasOwnProperty('status')) {
144	return false;
145	}
146
147	return (
148	err.statusText == 'error'
149	&& err.status == 0
150	&& (err.readyState == 0 \|\| err.readyState == 4)
151	&& (!err.hasOwnProperty('responseText') \|\| err.responseText == '')
152	);
153	}
154
155	/**
156	* Ensures AJAX requests that fail due to connection errors are retried automatically.
157	*
158	* @param string url
159	* @param object data
160	* @param function success
161	* @param function failure
162	* @param number attempt
163	*/
164	static doAjax(url, data, success, failure, attempt) {
165	const AJAX_MAX_ATTEMPTS = 3;
166
167	if (attempt === undefined) {
168	attempt = 1;
169	}
170
171	return $.ajax({
172	type: 'POST',
173	url: url,
174	data: data
175	}).done(function(resp) {
176	if (success !== undefined) {
177	// launch success callback function
178	success(resp);
179	}
180	}).fail(function(err) {
181	/**
182	* If the error is caused by a site connection lost, and if the number
183	* of retries is lower than max attempts, retry the same AJAX request.
184	*/
185	if (attempt < AJAX_MAX_ATTEMPTS && VBOCore.isConnectionLostError(err)) {
186	// delay the retry by half second
187	setTimeout(function() {
188	// re-launch same request and increase number of attempts
189	console.log('Retrying previous AJAX request');
190	VBOCore.doAjax(url, data, success, failure, (attempt + 1));
191	}, 500);
192	} else {
193	// launch the failure callback otherwise
194	if (failure !== undefined) {
195	failure(err);
196	}
197	}
198
199	if (!err.status \|\| err.status == 500) {
200	// log the error in console
201	console.error('AJAX request failed' + (err.status == 500 ? ' (' + err.responseText + ')' : ''), err);
202	}
203	});
204	}
205
206	/**
207	* Matches a keyword against a text.
208	*
209	* @param string search the keyword to search.
210	* @param string text the text to compare.
211	*
212	* @return bool
213	*/
214	static matchString(search, text) {
215	return ((text + '').indexOf(search) >= 0);
216	}
217
218	/**
219	* Converts a base64 URL for a server key into an array of 8-bit unsigned integers.
220	*
221	* @param string key the base64 encoded URL key.
222	*
223	* @return Uint8Array
224	*/
225	static base64ToUint8Array(key) {
226	const padding = ('=').repeat((4 - (key.length % 4)) % 4);
227	const base64 = (key + padding).replace(/\-/g, '+').replace(/_/g, '/');
228
229	const rawData = window.atob(base64);
230	const uint8_arr = new Uint8Array(rawData.length);
231
232	for (let i = 0; i < rawData.length; ++i) {
233	uint8_arr[i] = rawData.charCodeAt(i);
234	}
235
236	return uint8_arr;
237	}
238
239	/**
240	* Builds an object containing the Push subscription details and data.
241	*
242	* @param PushSubscription pushSubscription the registration data.
243	* @param object data the extra data to merge.
244	*
245	* @return object
246	*/
247	static buildPushSubscriptionData(pushSubscription, data) {
248	if (!(pushSubscription instanceof PushSubscription)) {
249	return data;
250	}
251
252	let key = pushSubscription.getKey('p256dh');
253	let token = pushSubscription.getKey('auth');
254	let contentEncoding = (PushManager.supportedContentEncodings \|\| ['aesgcm'])[0];
255
256	let details = {
257	endpoint: pushSubscription.endpoint,
258	publicKey: key ? btoa(String.fromCharCode.apply(null, new Uint8Array(key))) : null,
259	authToken: token ? btoa(String.fromCharCode.apply(null, new Uint8Array(token))) : null,
260	encoding: contentEncoding,
261	};
262
263	return Object.assign(details, data);
264	}
265
266	/**
267	* Attempts to install (and eventually update) the VikBooking's Service Worker.
268	*
269	* @param bool update if defined, it will update the Service Worker Registration.
270	*
271	* @return Promise
272	*/
273	static installServiceWorker(update) {
274	// check if support for Web App badge is available
275	if (typeof navigator.setAppBadge !== 'undefined') {
276	// always clear the app badge
277	navigator.clearAppBadge();
278	}
279
280	return new Promise((resolve, reject) => {
281	if (!('serviceWorker' in navigator)) {
282	reject('Service workers are not supported by this browser');
283	return;
284	}
285
286	if (!('PushManager' in window)) {
287	reject('Push notifications are not supported by this browser');
288	return;
289	}
290
291	if (!VBOCore.service_worker_path) {
292	reject('Service Worker path not configured');
293	return;
294	}
295
296	if (!VBOCore.notificationsEnabled()) {
297	reject('Notifications are disabled, and so the service worker will not be installed');
298	return;
299	}
300
301	navigator.serviceWorker.register(VBOCore.service_worker_path, {scope: VBOCore.service_worker_scope}).then(
302	(registration) => {
303	if (typeof update !== 'undefined') {
304	// attempt to update the registration for un-caching purposes
305	registration.update().then((updated) => {
306	// all good
307	}).catch((e) => {
308	// updating should never fail after registering with success
309	console.error(`Service worker registration update failed: ${e}`);
310	});
311	}
312
313	// listen to the ServiceWorker messages for the client
314	VBOCore.listenServiceWorkerMessages();
315
316	// resolve the Promise
317	resolve(registration);
318	},
319	(e) => {
320	console.error(`Service worker registration failed: ${e}`);
321	reject('Service worker registration failed');
322	}
323	);
324	});
325	}
326
327	/**
328	* Handles the Push subscription state. To be called after the
329	* Service Worker installation (registration) is ready.
330	*
331	* @param ServiceWorkerRegistration registration sw registration object.
332	*
333	* @return Promise
334	*/
335	static handlePushSubscription(registration) {
336	return new Promise((resolve, reject) => {
337	if (!(registration instanceof ServiceWorkerRegistration)) {
338	reject('Missing service worker registration');
339	return;
340	}
341
342	if (!VBOCore.push_application_key) {
343	reject('Missing application key for Push because not supported');
344	return;
345	}
346
347	// check if a push subscription is available
348	registration.pushManager.getSubscription().then((pushSubscription) => {
349	if (pushSubscription) {
350	// we are subscribed to Push
351	let previous_endpoint = VBOCore.storageGetItem(VBOCore.push_storage_endpoint_id);
352	if (previous_endpoint && pushSubscription.endpoint != previous_endpoint) {
353	// update subscription data
354	VBOCore.doAjax(
355	VBOCore.options.push.ajax_url,
356	VBOCore.buildPushSubscriptionData(pushSubscription, {
357	agent: window.navigator.userAgent,
358	type: 'update',
359	})
360	);
361	}
362
363	// resolve the promise with the Push subscription data
364	resolve(pushSubscription);
365	return;
366	}
367
368	// push subscription options
369	const pushOptions = {
370	userVisibleOnly: true,
371	applicationServerKey: VBOCore.base64ToUint8Array(VBOCore.push_application_key),
372	};
373
374	// subscribe to Push
375	registration.pushManager.subscribe(pushOptions).then(
376	(pushSubscription) => {
377	// store subscription data
378	VBOCore.storageSetItem(VBOCore.push_storage_endpoint_id, pushSubscription.endpoint);
379	VBOCore.doAjax(
380	VBOCore.options.push.ajax_url,
381	VBOCore.buildPushSubscriptionData(pushSubscription, {
382	agent: window.navigator.userAgent,
383	type: 'new',
384	})
385	);
386
387	// resolve the promise with the Push subscription data
388	resolve(pushSubscription);
389	},
390	(e) => {
391	console.error(`Error handling the Push subscription state: ${e}`);
392	reject('Error handling the Push subscription state');
393	}
394	);
395	})
396	.catch((e) => {
397	console.error(`Error getting the Push subscription state: ${e}`);
398	reject('Error getting the Push subscription state');
399	});
400	});
401	}
402
403	/**
404	* Starts listening to the "message" events posted by the ServiceWorker.
405	*
406	* @return void
407	*/
408	static listenServiceWorkerMessages() {
409	if (!('serviceWorker' in navigator)) {
410	return;
411	}
412
413	try {
414	// add listener to the message event for the data posted by the ServiceWorker to the client
415	navigator.serviceWorker.addEventListener('message', (event) => {
416	VBOCore.handleServiceWorkerMessage(event.data);
417	});
418	} catch(e) {
419	// do nothing
420	}
421	}
422
423	/**
424	* Handles a message data posted by the ServiceWorker upon clicking a Push notification.
425	*
426	* @param object data the event.notification.data object posted by the ServiceWorker.
427	*
428	* @return void
429	*/
430	static handleServiceWorkerMessage(data) {
431	let notif_type = data.type \|\| '';
432
433	if (!notif_type \|\| !VBOCore.options.push_options.allowed_notif_types.includes(notif_type)) {
434	console.error(data);
435	throw new Error('Unsupported message type');
436	}
437
438	// determine the proper widget for dispatching the message data
439	let widget_id = 'booking_details';
440	if (notif_type == 'Chat') {
441	widget_id = 'guest_messages';
442	}
443
444	// the raw notification content
445	let raw_content = data.content \|\| {};
446
447	// multitask data options
448	let options = Object.assign({
449	_push: 1,
450	title: data.title \|\| '',
451	message: data.message \|\| '',
452	}, raw_content);
453
454	// dispatch (Push) message data on widget
455	VBOCore.handleDisplayWidgetNotification({widget_id: widget_id}, options, true);
456
457	// update pushed data map for the next watching event in the current browsing context
458	VBOCore.widgets_pushed_data.push(raw_content);
459
460	// post message onto broadcast channel for any other browsing context
461	if (VBOCore.broadcast_push_data) {
462	// the next watch-data interval will receive the pushed data information
463	VBOCore.broadcast_push_data.postMessage(raw_content);
464	}
465
466	// let the window reload the badge counter in case it must be updated
467	VBOCore.emitEvent('vbo-badge-count-reload');
468	}
469
470	/**
471	* Initializes the multitasking panel for the admin widgets.
472	*
473	* @param object params the panel object params.
474	*
475	* @return bool
476	*/
477	static prepareMultitasking(params) {
478	var panel_opts = {
479	selector: "",
480	sclass_l_small: "vbo-sidepanel-right",
481	sclass_l_large: "vbo-sidepanel-large",
482	btn_trigger: "",
483	search_selector: "#vbo-sidepanel-search-input",
484	search_nores: ".vbo-sidepanel-add-widgets-nores",
485	close_selector: ".vbo-sidepanel-dismiss-btn",
486	t_layout_small: ".vbo-sidepanel-layout-small",
487	t_layout_large: ".vbo-sidepanel-layout-large",
488	wclass_base_sel: ".vbo-admin-widgets-widget-output",
489	wclass_l_small: "vbo-admin-widgets-container-small",
490	wclass_l_large: "vbo-admin-widgets-container-large",
491	addws_selector: ".vbo-sidepanel-add-widgets",
492	addw_selector: ".vbo-sidepanel-add-widget",
493	addw_modal_cls: "vbo-widget-render-modal",
494	addw_def_cls: "vbo-widget-render-regular",
495	addwfs_selector: ".vbo-sidepanel-add-widget-focussed",
496	wtags_selector: ".vbo-sidepanel-widget-tags",
497	addw_data_attr: "data-vbowidgetid",
498	actws_selector: ".vbo-sidepanel-active-widgets",
499	editw_selector: ".vbo-sidepanel-edit-widgets-trig",
500	rmwidget_class: "vbo-admin-widgets-widget-remove",
501	rmwidget_icn: "",
502	dtcwidget_class: "vbo-admin-widgets-widget-detach",
503	dtctarget_class: "vbo-admin-widget-head",
504	dtcwidget_icn: "",
505	notif_selector: ".vbo-sidepanel-notifications-btn",
506	notif_on_class: "vbo-sidepanel-notifications-on",
507	notif_off_class: "vbo-sidepanel-notifications-off",
508	open_class: "vbo-sidepanel-open",
509	close_class: "vbo-sidepanel-close",
510	cur_widget_cls: "vbo-admin-widgets-container-small",
511	};
512
513	if (typeof params === 'object') {
514	panel_opts = Object.assign(panel_opts, params);
515	}
516
517	if (!panel_opts.btn_trigger \|\| !panel_opts.selector) {
518	console.error('Got no trigger or selector');
519	return false;
520	}
521
522	// push panel options
523	VBOCore.setOptions({
524	panel_opts: panel_opts,
525	});
526
527	// setup browser notifications
528	VBOCore.setupNotifications();
529
530	// count active widgets on current page
531	var tot_active_widgets = VBOCore.options.admin_widgets.length;
532	if (tot_active_widgets > 0) {
533	// hide add-widgets container
534	$(panel_opts.addws_selector).hide();
535
536	// register listener for input search blur
537	VBOCore.registerSearchWidgetsBlur();
538	}
539
540	// register click event on trigger button
541	$(VBOCore.options.panel_opts.btn_trigger).on('click', function() {
542	var side_panel = $(VBOCore.options.panel_opts.selector);
543	if (side_panel.hasClass(VBOCore.options.panel_opts.open_class)) {
544	// hide panel
545	VBOCore.side_panel_on = false;
546	VBOCore.emitMultitaskEvent(VBOCore.multitask_close_event);
547	side_panel.addClass(VBOCore.options.panel_opts.close_class).removeClass(VBOCore.options.panel_opts.open_class);
548	// always hide add-widgets container
549	$(VBOCore.options.panel_opts.addws_selector).hide();
550	// check if we are currently editing
551	var is_editing = ($('.' + VBOCore.options.panel_opts.editmode_class).length > 0);
552	if (is_editing) {
553	// deactivate editing mode
554	VBOCore.toggleWidgetsPanelEditing(null);
555	}
556	} else {
557	// show panel
558	VBOCore.side_panel_on = true;
559	VBOCore.emitMultitaskEvent(VBOCore.multitask_open_event);
560	side_panel.addClass(VBOCore.options.panel_opts.open_class).removeClass(VBOCore.options.panel_opts.close_class);
561	if (!VBOCore.options.admin_widgets.length) {
562	// set focus on search widgets input with delay for the opening animation
563	setTimeout(function() {
564	$(VBOCore.options.panel_opts.search_selector).focus();
565	}, 300);
566	}
567	}
568	});
569
570	// register close/dismiss button
571	$(VBOCore.options.panel_opts.close_selector).on('click', function() {
572	$(VBOCore.options.panel_opts.btn_trigger).trigger('click');
573	});
574
575	// register toggle layout buttons
576	$(VBOCore.options.panel_opts.t_layout_large).on('click', function() {
577	// large layout
578	$(VBOCore.options.panel_opts.selector).addClass(VBOCore.options.panel_opts.sclass_l_large).removeClass(VBOCore.options.panel_opts.sclass_l_small);
579	$(VBOCore.options.panel_opts.wclass_base_sel).addClass(VBOCore.options.panel_opts.wclass_l_large).removeClass(VBOCore.options.panel_opts.wclass_l_small);
580	VBOCore.options.panel_opts.cur_widget_cls = VBOCore.options.panel_opts.sclass_l_large;
581	});
582	$(VBOCore.options.panel_opts.t_layout_small).on('click', function() {
583	// small layout
584	$(VBOCore.options.panel_opts.selector).addClass(VBOCore.options.panel_opts.sclass_l_small).removeClass(VBOCore.options.panel_opts.sclass_l_large);
585	$(VBOCore.options.panel_opts.wclass_base_sel).addClass(VBOCore.options.panel_opts.wclass_l_small).removeClass(VBOCore.options.panel_opts.wclass_l_large);
586	VBOCore.options.panel_opts.cur_widget_cls = VBOCore.options.panel_opts.sclass_l_small;
587	});
588
589	// register listener for esc key pressed
590	$(document).keyup(function(e) {
591	if (!VBOCore.side_panel_on) {
592	return;
593	}
594	if ((e.key && e.key === "Escape") \|\| (e.keyCode && e.keyCode == 27)) {
595	$(VBOCore.options.panel_opts.btn_trigger).trigger('click');
596	}
597	});
598
599	// register listener for input search focus
600	$(VBOCore.options.panel_opts.search_selector).on('focus', function() {
601	// always show add-widgets container
602	var widget_focus_class = VBOCore.options.panel_opts.addwfs_selector.replace('.', '');
603	$(VBOCore.options.panel_opts.addw_selector).removeClass(widget_focus_class);
604	$(VBOCore.options.panel_opts.addws_selector).show();
605	});
606
607	// register listener on input search widget
608	$(VBOCore.options.panel_opts.search_selector).keyup(function(e) {
609	// get the keyword to look for
610	var keyword = $(this).val();
611	// counting matching widgets
612	var matching = 0;
613	var first_matched = null;
614	var widget_focus_class = VBOCore.options.panel_opts.addwfs_selector.replace('.', '');
615
616	// adjust widgets to be displayed
617	if (!keyword.length) {
618	// show all widgets for selection
619	$(VBOCore.options.panel_opts.addw_selector).show();
620	// hide "no results"
621	$(VBOCore.options.panel_opts.search_nores).hide();
622	// all widgets are matching
623	matching = $(VBOCore.options.panel_opts.addw_selector).length;
624	} else {
625	// make the keyword lowercase
626	keyword = (keyword + '').toLowerCase();
627	// parse all widget's description tags
628	$(VBOCore.options.panel_opts.addw_selector).each(function() {
629	var elem = $(this);
630	var descr = elem.find(VBOCore.options.panel_opts.wtags_selector).text();
631	if (VBOCore.matchString(keyword, descr)) {
632	elem.show();
633	matching++;
634	if (!first_matched) {
635	// store the first widget that matched
636	first_matched = elem.attr(VBOCore.options.panel_opts.addw_data_attr);
637	}
638	} else {
639	elem.hide();
640	}
641	});
642	// check how many widget matched
643	if (matching > 0) {
644	// hide "no results"
645	$(VBOCore.options.panel_opts.search_nores).hide();
646	} else {
647	// show "no results"
648	$(VBOCore.options.panel_opts.search_nores).show();
649	}
650	}
651
652	// check for shortcuts
653	if (!e.key) {
654	return;
655	}
656
657	// handle Enter key press to add a widget
658	if (e.key === "Enter") {
659	// on Enter key pressed, open/add the first matching widget or the focussed one
660	var load_wid_id = null;
661	var focussed_wid = $(VBOCore.options.panel_opts.addwfs_selector + ':visible').first();
662
663	if (focussed_wid.length) {
664	load_wid_id = focussed_wid.attr(VBOCore.options.panel_opts.addw_data_attr);
665	} else if (first_matched) {
666	load_wid_id = first_matched;
667	}
668
669	if (!load_wid_id) {
670	// no widget to render found
671	return;
672	}
673
674	if (e.shiftKey === true) {
675	// widget multitask panel rendering
676	VBOCore.addWidgetToPanel(load_wid_id);
677	$(VBOCore.options.panel_opts.search_selector).trigger('blur');
678
679	return;
680	}
681
682	// widget modal rendering is the default method
683	VBOCore.renderModalWidget(load_wid_id);
684
685	return;
686	}
687
688	// handle arrow keys selection
689	if (matching > 0 && (e.key === 'ArrowDown' \|\| e.key === 'ArrowUp')) {
690	// on arrow key pressed, select the next or prev widget
691	var addws_element = $(VBOCore.options.panel_opts.addws_selector);
692	var addws_cont_pos = addws_element.offset().top;
693	var addws_otheight = addws_element.outerHeight();
694	var addws_scrolltp = addws_element.scrollTop();
695
696	if (e.key === 'ArrowDown') {
697	var default_widg = $(VBOCore.options.panel_opts.addw_selector + ':visible').first();
698	} else {
699	var default_widg = $(VBOCore.options.panel_opts.addw_selector + ':visible').last();
700	}
701	var focussed_wid = $(VBOCore.options.panel_opts.addwfs_selector + ':visible').first();
702	var addw_height = default_widg.outerHeight();
703	var focussed_pos = default_widg.offset().top + addw_height;
704
705	if (focussed_wid.length) {
706	focussed_wid.removeClass(widget_focus_class);
707	if (e.key === 'ArrowDown') {
708	var goto_wid = focussed_wid.nextAll(VBOCore.options.panel_opts.addw_selector + ':visible').first();
709	} else {
710	var goto_wid = focussed_wid.prevAll(VBOCore.options.panel_opts.addw_selector + ':visible').first();
711	}
712	if (goto_wid.length) {
713	goto_wid.addClass(widget_focus_class);
714	focussed_pos = goto_wid.offset().top + addw_height;
715	} else {
716	default_widg.addClass(widget_focus_class);
717	}
718	} else {
719	default_widg.addClass(widget_focus_class);
720	}
721
722	if (focussed_pos > (addws_cont_pos + addws_otheight)) {
723	addws_element.scrollTop(focussed_pos - addws_cont_pos - addw_height + addws_scrolltp);
724	} else if (focussed_pos < 0) {
725	addws_element.scrollTop(0);
726	}
727	}
728	});
729
730	// register listener for adding widgets
731	$(VBOCore.options.panel_opts.addw_selector).on('click', function(e) {
732	var widget_id = $(this).attr(VBOCore.options.panel_opts.addw_data_attr);
733	if (!widget_id \|\| !widget_id.length) {
734	return false;
735	}
736
737	// determine widget rendering method
738	if (e && e.target) {
739	let cktarget = $(e.target);
740	if (e.shiftKey === true \|\| (cktarget.hasClass(VBOCore.options.panel_opts.addw_modal_cls) \|\| cktarget.parent().hasClass(VBOCore.options.panel_opts.addw_modal_cls))) {
741	// widget modal rendering
742	VBOCore.renderModalWidget(widget_id);
743
744	return;
745	}
746	}
747
748	// widget multitask panel rendering
749	VBOCore.addWidgetToPanel(widget_id);
750	});
751
752	// register listener for updating multitask sidepanel with debounce
753	document.addEventListener(VBOCore.options.multitask_save_event, VBOCore.debounceEvent(VBOCore.saveMultitasking, 1000));
754
755	// subscribe to event for multitask shortcut
756	document.addEventListener(VBOCore.multitask_shortcut_event, function() {
757	// toggle multitask panel
758	$(VBOCore.options.panel_opts.btn_trigger).trigger('click');
759	});
760
761	// subscribe to event for multitask search focus shortcut
762	document.addEventListener(VBOCore.multitask_searchfs_event, function() {
763	// focus search multitask widgets
764	$(VBOCore.options.panel_opts.search_selector).trigger('focus');
765	});
766
767	// register click event on edit widgets button
768	$(VBOCore.options.panel_opts.editw_selector).on('click', function() {
769	VBOCore.toggleWidgetsPanelEditing(null);
770	});
771
772	// register detach widget buttons
773	$('.' + VBOCore.options.panel_opts.dtcwidget_class).each(function() {
774	let widget_wrapper = $(this).parent(VBOCore.options.panel_opts.wclass_base_sel);
775	let detach_widget_id = widget_wrapper.attr(VBOCore.options.panel_opts.addw_data_attr);
776	let detach_to_target = widget_wrapper.find('.' + VBOCore.options.panel_opts.dtctarget_class);
777	if (detach_to_target.length) {
778	// move detach wrapper onto the target (widget head)
779	$(this).prependTo(detach_to_target);
780	}
781
782	if (!detach_widget_id) {
783	return;
784	}
785
786	// register detach action
787	$(this).on('click', function() {
788	// detach widget, meaning do a modal rendering
789	VBOCore.renderModalWidget(detach_widget_id);
790	});
791	});
792	}
793
794	/**
795	* Registers the blur event for the search widgets input.
796	*/
797	static registerSearchWidgetsBlur() {
798	if (VBOCore.options.active_listeners.hasOwnProperty('registerSearchWidgetsBlur')) {
799	// listener is already registered
800	return true;
801	}
802
803	$(VBOCore.options.panel_opts.search_selector).on('blur', function(e) {
804	if (e && e.relatedTarget) {
805	if (e.relatedTarget.classList.contains(VBOCore.options.panel_opts.addw_selector.replace('.', ''))) {
806	// add new widget was clicked, abort hiding process or click event won't fire on target element
807	return;
808	}
809	}
810	var keyword = $(this).val();
811	if (!keyword.length) {
812	// hide add-widgets container
813	$(VBOCore.options.panel_opts.addws_selector).hide();
814	}
815	});
816
817	// register flag for listener active
818	VBOCore.options.active_listeners['registerSearchWidgetsBlur'] = 1;
819	}
820
821	/**
822	* Removes the blur event handler for the search widgets input.
823	*/
824	static unregisterSearchWidgetsBlur() {
825	if (!VBOCore.options.active_listeners.hasOwnProperty('registerSearchWidgetsBlur')) {
826	// nothing to unregister
827	return true;
828	}
829
830	$(VBOCore.options.panel_opts.search_selector).off('blur');
831
832	// delete flag for listener active
833	delete VBOCore.options.active_listeners['registerSearchWidgetsBlur'];
834	}
835
836	/**
837	* Adds a widget identifier to the multitask panel.
838	*
839	* @param string widget_id the widget identifier string to add.
840	*/
841	static addWidgetToPanel(widget_id) {
842	if (!VBOCore.options.widget_ajax_uri \|\| !VBOCore.options.panel_opts \|\| !Object.keys(VBOCore.options.panel_opts).length) {
843	throw new Error('Multitask panel options are missing');
844	}
845	// prepend container to panel
846	var widget_classes = [VBOCore.options.panel_opts.wclass_base_sel.replace('.', ''), VBOCore.options.panel_opts.cur_widget_cls];
847	var widget_div = '<div class="' + widget_classes.join(' ') + '" ' + VBOCore.options.panel_opts.addw_data_attr + '="' + widget_id + '" style="display: none;"></div>';
848	var widget_elem = $(widget_div);
849	$(VBOCore.options.panel_opts.actws_selector).prepend(widget_elem);
850
851	// always hide add-widgets container
852	$(VBOCore.options.panel_opts.addws_selector).hide();
853
854	// trigger debounced map saving event
855	VBOCore.emitMultitaskEvent();
856
857	// register listener for input search blur
858	VBOCore.registerSearchWidgetsBlur();
859
860	// render widget
861	var call_method = 'render';
862	VBOCore.doAjax(
863	VBOCore.options.widget_ajax_uri,
864	{
865	widget_id: widget_id,
866	call: call_method,
867	vbo_page: VBOCore.options.current_page,
868	vbo_uri: VBOCore.options.current_page_uri,
869	multitask: 1,
870	},
871	(response) => {
872	// display widgets editing button
873	VBOCore.toggleWidgetsPanelEditing(true);
874	// parse response
875	try {
876	var obj_res = typeof response === 'string' ? JSON.parse(response) : response;
877	if (obj_res.hasOwnProperty(call_method)) {
878	// populate widget HTML content and display it
879	widget_elem.html(obj_res[call_method]).fadeIn();
880
881	// always scroll active widgets list to top
882	$(VBOCore.options.panel_opts.actws_selector).scrollTop(0);
883
884	// register detach widget button
885	setTimeout(() => {
886	let detach_elem = $('<div></div>').addClass(VBOCore.options.panel_opts.dtcwidget_class).html(VBOCore.options.panel_opts.dtcwidget_icn);
887	let detach_to_target = widget_elem.find('.' + VBOCore.options.panel_opts.dtctarget_class);
888	if (detach_to_target.length) {
889	// move detach wrapper onto the target (widget head)
890	detach_elem.prependTo(detach_to_target);
891	}
892	// register detach action
893	detach_elem.on('click', function() {
894	// detach widget, meaning do a modal rendering
895	VBOCore.renderModalWidget(widget_id);
896	});
897	}, 500);
898	} else {
899	console.error('Unexpected JSON response', obj_res);
900	}
901	} catch(err) {
902	console.error('could not parse JSON response', err, response);
903	}
904	},
905	(error) => {
906	console.error(error.responseText);
907	}
908	);
909	}
910
911	/**
912	* Toggles the edit mode of the multitask widgets panel.
913	*
914	* @param bool added true if a widget was just added, false if it was just removed.
915	*/
916	static toggleWidgetsPanelEditing(added) {
917	// check if we are currently editing
918	var is_editing = ($('.' + VBOCore.options.panel_opts.editmode_class).length > 0);
919
920	// the triggerer button
921	var triggerer = $(VBOCore.options.panel_opts.editw_selector);
922
923	// check added action status
924	if (added === true) {
925	// show button for edit mode
926	triggerer.show();
927	return;
928	}
929
930	// grab all widgets
931	var editing_widgets = $(VBOCore.options.panel_opts.wclass_base_sel);
932
933	if (added === false) {
934	if (!editing_widgets.length) {
935	// hide button for edit mode after removing the last widget
936	triggerer.removeClass(VBOCore.options.panel_opts.editw_selector.substr(1) + '-active').hide();
937	}
938	return;
939	}
940
941	if (is_editing) {
942	// deactivate editing mode
943	editing_widgets.removeClass(VBOCore.options.panel_opts.editmode_class);
944	$('.' + VBOCore.options.panel_opts.rmwidget_class).remove();
945	// toggle triggerer button active class
946	triggerer.removeClass(VBOCore.options.panel_opts.editw_selector.substr(1) + '-active');
947	} else {
948	// activate editing mode by looping through all widgets
949	editing_widgets.each(function() {
950	// build remove-widget element
951	var rm_widget = $('<div></div>').addClass(VBOCore.options.panel_opts.rmwidget_class).on('click', function() {
952	VBOCore.removeWidgetFromPanel(this);
953	}).html(VBOCore.options.panel_opts.rmwidget_icn);
954	// add editing class and prepend removing element
955	$(this).addClass(VBOCore.options.panel_opts.editmode_class).prepend(rm_widget);
956	});
957	// toggle triggerer button active class
958	triggerer.addClass(VBOCore.options.panel_opts.editw_selector.substr(1) + '-active');
959	}
960	}
961
962	/**
963	* Handles the removal of a widget from the multitask panel.
964	*
965	* @param object element
966	*/
967	static removeWidgetFromPanel(element) {
968	if (!element) {
969	console.error('Invalid widget element to remove', element);
970	return false;
971	}
972	var widget_cont = $(element).parent(VBOCore.options.panel_opts.wclass_base_sel);
973	if (!widget_cont \|\| !widget_cont.length) {
974	console.error('Could not find widget container to remove', element);
975	return false;
976	}
977	var widget_id = widget_cont.attr(VBOCore.options.panel_opts.addw_data_attr);
978	if (!widget_id \|\| !widget_id.length) {
979	console.error('Empty widget id to remove', element);
980	return false;
981	}
982	// find the index of the widget to remove in the panel
983	var widget_index = $(VBOCore.options.panel_opts.wclass_base_sel).index(widget_cont);
984	if (widget_index < 0) {
985	console.error('Empty widget index to remove', widget_cont);
986	return false;
987	}
988	// make sure the index in the array matches the id
989	if (!VBOCore.options.admin_widgets.hasOwnProperty(widget_index) \|\| VBOCore.options.admin_widgets[widget_index]['id'] != widget_id) {
990	console.error('Unmatching widget index or id', VBOCore.options.admin_widgets, widget_index, widget_id);
991	return false;
992	}
993	// remove this widget from the array
994	VBOCore.options.admin_widgets.splice(widget_index, 1);
995
996	// remove element from document
997	widget_cont.remove();
998
999	// check widgets editing button status
1000	VBOCore.toggleWidgetsPanelEditing(false);
1001
1002	// trigger debounced map saving event
1003	VBOCore.emitMultitaskEvent();
1004
1005	if (!VBOCore.options.admin_widgets.length) {
1006	// unregister listener for input search blur
1007	VBOCore.unregisterSearchWidgetsBlur();
1008	}
1009	}
1010
1011	/**
1012	* Emits an event related to the multitask features or a custom event, with optional data.
1013	*/
1014	static emitMultitaskEvent(ev_name, ev_data) {
1015	var def_ev_name = VBOCore.options.multitask_save_event;
1016	if (typeof ev_name === 'string') {
1017	def_ev_name = ev_name;
1018	}
1019
1020	if (typeof ev_data !== 'undefined' && ev_data) {
1021	// trigger the custom event
1022	document.dispatchEvent(new CustomEvent(def_ev_name, {bubbles: true, detail: ev_data}));
1023	return;
1024	}
1025
1026	// trigger the event
1027	document.dispatchEvent(new Event(def_ev_name));
1028	}
1029
1030	/**
1031	* Proxy for dispatching an event to the document with optional data.
1032	*/
1033	static emitEvent(ev_name, ev_data) {
1034	if (typeof ev_name !== 'string' \|\| !ev_name.length) {
1035	return;
1036	}
1037
1038	return VBOCore.emitMultitaskEvent(ev_name, ev_data);
1039	}
1040
1041	/**
1042	* Attempts to save the multitask widgets for this page.
1043	*/
1044	static saveMultitasking() {
1045	// gather the list of active widgets
1046	var active_widgets = [];
1047	var cur_admin_widgets = [];
1048	$(VBOCore.options.panel_opts.actws_selector).find(VBOCore.options.panel_opts.wclass_base_sel).each(function() {
1049	var widget_id = $(this).attr(VBOCore.options.panel_opts.addw_data_attr);
1050	if (widget_id && widget_id.length) {
1051	// push id in list
1052	active_widgets.push(widget_id);
1053	// push object with dummy name for global widgets
1054	cur_admin_widgets.push({
1055	id: widget_id,
1056	name: widget_id,
1057	});
1058	}
1059	});
1060
1061	// update multitask widgets map for this page
1062	VBOCore.doAjax(
1063	VBOCore.options.multitask_ajax_uri,
1064	{
1065	call: 'updateMultitaskingMap',
1066	call_args: [
1067	VBOCore.options.current_page,
1068	active_widgets,
1069	0
1070	],
1071	},
1072	(response) => {
1073	try {
1074	var obj_res = typeof response === 'string' ? JSON.parse(response) : response;
1075	if (obj_res.hasOwnProperty('result') && obj_res['result']) {
1076	// set current widgets
1077	VBOCore.setOptions({
1078	admin_widgets: cur_admin_widgets
1079	});
1080	} else {
1081	console.error('Unexpected or invalid JSON response', response);
1082	}
1083	} catch(err) {
1084	console.error('could not parse JSON response', err, response);
1085	}
1086	},
1087	(error) => {
1088	console.error(error.responseText);
1089	}
1090	);
1091	}
1092
1093	/**
1094	* Sets up the browser notifications within the multitask panel, if supported.
1095	*/
1096	static setupNotifications() {
1097	if (!('Notification' in window)) {
1098	// browser does not support notifications
1099	$(VBOCore.options.panel_opts.notif_selector).hide();
1100	return false;
1101	}
1102
1103	if (Notification.permission && Notification.permission === 'granted') {
1104	// permissions were granted already
1105	$(VBOCore.options.panel_opts.notif_selector)
1106	.addClass(VBOCore.options.panel_opts.notif_on_class)
1107	.attr('title', VBOCore.options.tn_texts.notifs_enabled)
1108	.on('click', function() {
1109	// show congratulations notification
1110	VBOCore.dispatchCongratulations();
1111
1112	// attempt to update the service worker installation
1113	VBOCore.installServiceWorker(true).then(() => {
1114	// all good
1115	}).catch((error) => {
1116	console.error(error);
1117	});
1118	});
1119	return true;
1120	}
1121
1122	// notifications supported, but perms not granted
1123	$(VBOCore.options.panel_opts.notif_selector)
1124	.addClass(VBOCore.options.panel_opts.notif_off_class)
1125	.attr('title', VBOCore.options.tn_texts.notifs_disabled);
1126
1127	// register click-event listener on button to enable notifications
1128	$(VBOCore.options.panel_opts.notif_selector).on('click', function() {
1129	VBOCore.requestNotifPerms();
1130	});
1131
1132	// subscribe to the multitask-panel-open event to show the status of the notifications
1133	document.addEventListener(VBOCore.multitask_open_event, function() {
1134	if (VBOCore.notificationsEnabled() === false) {
1135	// add "shaking" class to notifications button
1136	$(VBOCore.options.panel_opts.notif_selector).addClass('shaking');
1137	}
1138	});
1139
1140	// subscribe to the multitask-panel-close event to update the status of the notifications
1141	document.addEventListener(VBOCore.multitask_close_event, function() {
1142	// always remove "shaking" class from notifications button
1143	$(VBOCore.options.panel_opts.notif_selector).removeClass('shaking');
1144	});
1145	}
1146
1147	/**
1148	* Sets up the browser notifications within the given selector, if supported.
1149	*
1150	* @param string selector the element query selector.
1151	*/
1152	static suggestNotifications(selector) {
1153	if (!selector) {
1154	return false;
1155	}
1156
1157	if (!('Notification' in window)) {
1158	// browser does not support notifications
1159	$(selector).hide();
1160	return false;
1161	}
1162
1163	if (Notification.permission && Notification.permission === 'granted') {
1164	// permissions were granted already
1165	$(selector)
1166	.addClass(VBOCore.options.panel_opts.notif_on_class)
1167	.attr('title', VBOCore.options.tn_texts.notifs_enabled)
1168	.on('click', function() {
1169	VBOCore.dispatchCongratulations();
1170	});
1171	return true;
1172	}
1173
1174	// notifications supported, but perms not granted
1175	$(selector)
1176	.addClass(VBOCore.options.panel_opts.notif_off_class)
1177	.attr('title', VBOCore.options.tn_texts.notifs_disabled);
1178
1179	// register click-event listener on button to enable notifications
1180	$(selector).on('click', function() {
1181	VBOCore.requestNotifPerms(selector);
1182	});
1183
1184	// add "shaking" class to make the selector more appealing
1185	$(selector).addClass('shaking');
1186
1187	// remove the "shaking" class after some time
1188	setTimeout(() => {
1189	$(selector).removeClass('shaking');
1190	}, 2000);
1191	}
1192
1193	/**
1194	* Tells whether the notifications are enabled, disabled, not supported.
1195	*/
1196	static notificationsEnabled() {
1197	if (!('Notification' in window)) {
1198	// not supported
1199	return null;
1200	}
1201
1202	if (Notification.permission && Notification.permission === 'granted') {
1203	// enabled
1204	return true;
1205	}
1206
1207	// disabled
1208	return false;
1209	}
1210
1211	/**
1212	* Attempts to request the notifications permissions to the browser.
1213	* For security reasons, this should run upon a user gesture (click).
1214	*
1215	* @param string selector optional element query selector.
1216	*/
1217	static requestNotifPerms(selector) {
1218	if (!('Notification' in window)) {
1219	// browser does not support notifications
1220	return false;
1221	}
1222
1223	// run permissions request in a try-catch statement to support all browsers
1224	try {
1225	// handle promise-based version to request permissions
1226	Notification.requestPermission().then((permission) => {
1227	VBOCore.handleNotifPerms(permission, selector);
1228	});
1229	} catch(e) {
1230	// run the callback-based version
1231	Notification.requestPermission(function(permission) {
1232	VBOCore.handleNotifPerms(permission, selector);
1233	});
1234	}
1235	}
1236
1237	/**
1238	* Handles the notifications permission response (from callback or promise resolved).
1239	*
1240	* @param any permission permission status string or NotificationPermission object.
1241	* @param string selector optional element query selector.
1242	*/
1243	static handleNotifPerms(permission, selector) {
1244	// check the permission status from the Notification object interface
1245	if ((Notification.permission && Notification.permission === 'granted') \|\| (typeof permission === 'string' && permission === 'granted')) {
1246	// permissions granted!
1247	$((selector \|\| VBOCore.options.panel_opts.notif_selector))
1248	.removeClass(VBOCore.options.panel_opts.notif_off_class)
1249	.addClass(VBOCore.options.panel_opts.notif_on_class)
1250	.attr('title', VBOCore.options.tn_texts.notifs_enabled);
1251
1252	// dispatch an immediate notification to congratulate with the activation
1253	VBOCore.dispatchCongratulations();
1254
1255	return true;
1256	} else {
1257	// permissions denied :(
1258	$((selector \|\| VBOCore.options.panel_opts.notif_selector))
1259	.removeClass(VBOCore.options.panel_opts.notif_on_class)
1260	.addClass(VBOCore.options.panel_opts.notif_off_class)
1261	.attr('title', VBOCore.options.tn_texts.notifs_disabled);
1262
1263	// show alert message
1264	console.error('Permission denied for enabling browser notifications', permission);
1265	alert(VBOCore.options.tn_texts.notifs_disabled_help);
1266	}
1267
1268	return false;
1269	}
1270
1271	/**
1272	* Dispatches an immediate notification with a congratulations text.
1273	*
1274	* @return void
1275	*/
1276	static dispatchCongratulations() {
1277	try {
1278	let notif = new Notification(VBOCore.options.tn_texts.congrats, {
1279	body: VBOCore.options.tn_texts.notifs_enabled,
1280	tag: 'vbo_notification_congrats',
1281	silent: false
1282	});
1283	} catch(error) {
1284	alert(error);
1285	}
1286	}
1287
1288	/**
1289	* Given a date-time string, returns a Date object representation.
1290	*
1291	* @param string dtime_str the date-time string in "Y-m-d H:i:s" format.
1292	*/
1293	static getDateTimeObject(dtime_str) {
1294	// instantiate a new date object
1295	var date_obj = new Date();
1296
1297	// parse date-time string
1298	let dtime_parts = dtime_str.split(' ');
1299	let date_parts = dtime_parts[0].split('-');
1300	if (dtime_parts.length != 2 \|\| date_parts.length != 3) {
1301	// invalid military format
1302	return date_obj;
1303	}
1304	let time_parts = dtime_parts[1].split(':');
1305
1306	// set accurate date-time values
1307	date_obj.setFullYear(date_parts[0]);
1308	date_obj.setMonth((parseInt(date_parts[1]) - 1));
1309	date_obj.setDate(parseInt(date_parts[2]));
1310	date_obj.setHours(parseInt(time_parts[0]));
1311	date_obj.setMinutes(parseInt(time_parts[1]));
1312	date_obj.setSeconds(0);
1313	date_obj.setMilliseconds(0);
1314
1315	// return the accurate date object
1316	return date_obj;
1317	}
1318
1319	/**
1320	* Given a list of schedules, enqueues notifications to watch.
1321	*
1322	* @param array\|object schedules list of or one notification object(s).
1323	*
1324	* @return bool
1325	*/
1326	static enqueueNotifications(schedules) {
1327	if (!Array.isArray(schedules) \|\| !schedules.length) {
1328	if (typeof schedules === 'object' && schedules.hasOwnProperty('dtime')) {
1329	// convert the single schedule to an array
1330	schedules = [schedules];
1331	} else {
1332	// invalid argument passed
1333	return false;
1334	}
1335	}
1336
1337	for (var i in schedules) {
1338	if (!schedules.hasOwnProperty(i) \|\| typeof schedules[i] !== 'object') {
1339	continue;
1340	}
1341	VBOCore.notifications.push(schedules[i]);
1342	}
1343
1344	// setup the timeouts to schedule the notifications
1345	return VBOCore.scheduleNotifications();
1346	}
1347
1348	/**
1349	* Schedule the trigger timings for each notification.
1350	*/
1351	static scheduleNotifications() {
1352	if (!VBOCore.notifications.length) {
1353	// no notifications to be scheduled
1354	return false;
1355	}
1356	if (VBOCore.notificationsEnabled() !== true) {
1357	// notifications not enabled
1358	console.info('Browser notifications disabled or unsupported.');
1359	return false;
1360	}
1361
1362	// gather current date-timing information
1363	const now_date = new Date();
1364	const now_time = now_date.getTime();
1365
1366	// parse all notifications to schedule the timers if not set
1367	for (let i = 0; i < VBOCore.notifications.length; i++) {
1368	let notif = VBOCore.notifications[i];
1369
1370	if (typeof notif !== 'object' \|\| !notif.hasOwnProperty('dtime')) {
1371	// invalid notification object, unset it
1372	VBOCore.notifications.splice(i, 1);
1373	continue;
1374	}
1375
1376	// check if timer has been set
1377	if (!notif.hasOwnProperty('id_timer')) {
1378	// estimate trigger timing
1379	let in_ms = 0;
1380	// check for imminent notifications
1381	if (typeof notif.dtime === 'string' && notif.dtime.indexOf('now') >= 0) {
1382	// imminent ones will be delayed by one second
1383	in_ms = 1000;
1384	} else {
1385	// check overdue date-time (notif.dtime can also be a Date object instance)
1386	let nexp = VBOCore.getDateTimeObject(notif.dtime);
1387	in_ms = nexp.getTime() - now_time;
1388	}
1389	if (in_ms > 0) {
1390	// schedule notification trigger
1391	let id_timer = setTimeout(() => {
1392	VBOCore.dispatchNotification(notif);
1393	}, in_ms);
1394	// set timer on notification object
1395	VBOCore.notifications[i]['id_timer'] = id_timer;
1396	}
1397	}
1398	}
1399
1400	return true;
1401	}
1402
1403	/**
1404	* Deregister all scheduled notifications.
1405	*/
1406	static unscheduleNotifications() {
1407	if (!VBOCore.notifications.length) {
1408	// no notifications scheduled
1409	return false;
1410	}
1411
1412	for (let i = 0; i < VBOCore.notifications.length; i++) {
1413	let notif = VBOCore.notifications[i];
1414
1415	if (typeof notif === 'object' && notif.hasOwnProperty('id_timer')) {
1416	// unset timeout for this notification
1417	clearTimeout(notif['id_timer']);
1418	}
1419	}
1420
1421	// reset pool
1422	VBOCore.notifications = [];
1423	}
1424
1425	/**
1426	* Update or delete a previously scheduled notification.
1427	*
1428	* @param object match_props map of properties to match.
1429	* @param string\|number newdtime the new date time to schedule (0 for deleting).
1430	*
1431	* @return null\|bool true only if a notification matched.
1432	*/
1433	static updateNotification(match_props, newdtime) {
1434	if (!VBOCore.notifications.length) {
1435	// no notifications set, terminate
1436	return null;
1437	}
1438
1439	if (typeof match_props !== 'object') {
1440	// no properties to match the notification
1441	return null;
1442	}
1443
1444	// gather current date-timing information
1445	const now_date = new Date();
1446	const now_time = now_date.getTime();
1447
1448	// parse all notifications scheduled
1449	for (let i = 0; i < VBOCore.notifications.length; i++) {
1450	let notif = VBOCore.notifications[i];
1451
1452	let all_matched = true;
1453	let to_matching = false;
1454	for (let prop in match_props) {
1455	if (!match_props.hasOwnProperty(prop)) {
1456	continue;
1457	}
1458	to_matching = true;
1459	if (!notif.hasOwnProperty(prop) \|\| notif[prop] != match_props[prop]) {
1460	all_matched = false;
1461	break;
1462	}
1463	}
1464
1465	if (all_matched && to_matching) {
1466	// notification object found
1467	if (notif.hasOwnProperty('id_timer')) {
1468	// unset previous timeout for this notification
1469	clearTimeout(notif['id_timer']);
1470	}
1471	// update or delete scheduled notification
1472	if (newdtime === 0) {
1473	// delete notification from queue
1474	VBOCore.notifications.splice(i, 1);
1475	} else {
1476	// update timing scheduler
1477	let in_ms = 0;
1478	// check for imminent notifications
1479	if (typeof newdtime === 'string' && newdtime.indexOf('now') >= 0) {
1480	// imminent ones will be delayed by one second
1481	in_ms = 1000;
1482	} else {
1483	// check overdue date-time (newdtime can also be a Date object instance)
1484	let nexp = VBOCore.getDateTimeObject(newdtime);
1485	in_ms = nexp.getTime() - now_time;
1486	}
1487	if (in_ms > 0) {
1488	// schedule notification trigger
1489	let id_timer = setTimeout(() => {
1490	VBOCore.dispatchNotification(notif);
1491	}, in_ms);
1492	// set timer on notification object
1493	VBOCore.notifications[i]['id_timer'] = id_timer;
1494	}
1495	// update date-time value on notification object
1496	VBOCore.notifications[i]['dtime'] = newdtime;
1497	}
1498
1499	// terminate parsing and return true
1500	return true;
1501	}
1502	}
1503
1504	// notification object not found
1505	return false;
1506	}
1507
1508	/**
1509	* Dispatch the notification object.
1510	* Expected notification properties:
1511	*
1512	* {
1513	* id: number
1514	* type: string
1515	* dtime: string\|Date
1516	* build_url: string\|null
1517	* }
1518	*
1519	* @param object notif the notification object.
1520	*/
1521	static dispatchNotification(notif) {
1522	if (typeof notif !== 'object') {
1523	return false;
1524	}
1525
1526	// subscribe to building notification data
1527	VBOCore.buildNotificationData(notif).then((data) => {
1528	// dispatch the notification
1529
1530	// check if the click event should be registered
1531	let func_nodes;
1532	if (data.onclick && typeof data.onclick === 'string') {
1533	let callback_parts = data.onclick.split('.');
1534	while (callback_parts.length) {
1535	// compose window static method string to avoid using eval()
1536	let tmp = callback_parts.shift();
1537	if (!func_nodes) {
1538	func_nodes = window[tmp];
1539	} else {
1540	func_nodes = func_nodes[tmp];
1541	}
1542	}
1543	}
1544
1545	// prepare properties to delete the notification from queue
1546	let match_props = {};
1547	for (let prop in notif) {
1548	if (!notif.hasOwnProperty(prop) \|\| prop == 'id_timer') {
1549	continue;
1550	}
1551	match_props[prop] = notif[prop];
1552	}
1553
1554	// check browser Notifications API
1555	if (VBOCore.notificationsEnabled() !== true) {
1556	// notifications not enabled, fallback to toast message
1557	let toast_notif_data = {
1558	title: data.title,
1559	body: data.message,
1560	icon: data.icon,
1561	delay: {
1562	min: 6000,
1563	max: 20000,
1564	tolerance: 4000,
1565	},
1566	action: () => {
1567	VBOToast.dispose(true);
1568	},
1569	sound: VBOCore.options.notif_audio_url
1570	};
1571	if (func_nodes) {
1572	toast_notif_data.action = function() {
1573	func_nodes(data);
1574	VBOToast.dispose(true);
1575	};
1576	} else if (typeof data.onclick === 'function') {
1577	toast_notif_data.action = function() {
1578	data.onclick.call(data);
1579	VBOToast.dispose(true);
1580	};
1581	}
1582	VBOToast.enqueue(new VBOToastMessage(toast_notif_data));
1583
1584	// delete dispatched notification from queue
1585	VBOCore.updateNotification(match_props, 0);
1586
1587	return;
1588	}
1589
1590	// use the browser's native Notifications API
1591	let browser_notif = new Notification(data.title, {
1592	body: data.message,
1593	icon: data.icon,
1594	tag: 'vbo_notification',
1595	silent: false
1596	});
1597
1598	// check if support for Web App badge is available
1599	if (typeof navigator.setAppBadge !== 'undefined') {
1600	navigator.setAppBadge(1);
1601	}
1602
1603	browser_notif.addEventListener('click', (e) => {
1604	// check if support for Web App badge is available
1605	if (typeof navigator.setAppBadge !== 'undefined') {
1606	navigator.clearAppBadge();
1607	}
1608	// close the notification
1609	e.target.close();
1610	});
1611
1612	if (func_nodes) {
1613	// register notification click event
1614	browser_notif.addEventListener('click', () => {
1615	func_nodes(data);
1616	});
1617	} else if (typeof data.onclick === 'function') {
1618	browser_notif.addEventListener('click', () => {
1619	data.onclick.call(data);
1620	});
1621	}
1622
1623	// delete dispatched notification from queue
1624	VBOCore.updateNotification(match_props, 0);
1625
1626	}).catch((error) => {
1627	console.error(error);
1628	});
1629	}
1630
1631	/**
1632	* Asynchronous build of the notification data object for dispatch.
1633	* Minimum expected notification display data properties:
1634	*
1635	* {
1636	* title: string
1637	* message: string
1638	* icon: string
1639	* onclick: function
1640	* }
1641	*
1642	* @param object notif the scheduled notification object.
1643	*
1644	* @return Promise
1645	*/
1646	static buildNotificationData(notif) {
1647	return new Promise((resolve, reject) => {
1648	// notification object validation
1649	if (typeof notif !== 'object') {
1650	reject('Invalid notification object');
1651	return;
1652	}
1653
1654	if (!notif.hasOwnProperty('build_url') \|\| !notif.build_url) {
1655	// building callback not necessary
1656	if (!notif.title && !notif.message) {
1657	reject('Unexpected notification object');
1658	return;
1659	}
1660	// we expect the notification to be built already
1661	resolve(notif);
1662	return;
1663	}
1664
1665	// build the notification data
1666	VBOCore.doAjax(
1667	notif.build_url,
1668	{
1669	payload: JSON.stringify(notif)
1670	},
1671	(response) => {
1672	// parse response
1673	try {
1674	var obj_res = typeof response === 'string' ? JSON.parse(response) : response;
1675	if (obj_res.hasOwnProperty('title')) {
1676	resolve(obj_res);
1677	} else {
1678	reject('Unexpected JSON response');
1679	}
1680	} catch(err) {
1681	reject('could not parse JSON response');
1682	}
1683	},
1684	(error) => {
1685	reject(error.responseText);
1686	}
1687	);
1688	});
1689	}
1690
1691	/**
1692	* Handle a navigation towards a given URL.
1693	* Common handler for browser notifications click.
1694	*
1695	* @param object data notification display data payload.
1696	*/
1697	static handleGoto(data) {
1698	if (typeof data !== 'object' \|\| !data.hasOwnProperty('gotourl') \|\| !data.gotourl) {
1699	console.error('Could not handle the goto operation', data);
1700	return;
1701	}
1702
1703	if (typeof data.openWindow !== 'undefined' \|\| typeof document === 'undefined') {
1704	// open a new window
1705	window.open(data.gotourl);
1706	return;
1707	}
1708
1709	// redirect
1710	document.location.href = data.gotourl;
1711	}
1712
1713	/**
1714	* Opens a new window with the URI to render the Push notification data.
1715	*
1716	* @param object options admin widget rendering options to bind.
1717	*
1718	* @return void
1719	*/
1720	static openAdminPushURI(options) {
1721	if (typeof options !== 'object' \|\| !options) {
1722	throw new Error('Unable to build Admin Push URI');
1723	}
1724
1725	let vbo_admin_push_uri = VBOCore.options.root_uri;
1726
1727	if (VBOCore.options.cms === 'wordpress') {
1728	vbo_admin_push_uri += 'wp-admin/admin.php?page=vikbooking';
1729	} else {
1730	vbo_admin_push_uri += 'administrator/index.php?option=com_vikbooking';
1731	}
1732
1733	// build Push notification payload for rendering
1734	let push_data = {
1735	type: options.type \|\| '',
1736	title: options.title \|\| '',
1737	message: options.message \|\| '',
1738	content: options,
1739	};
1740
1741	// open page in a new window
1742	window.open(vbo_admin_push_uri + '&push_notification=' + btoa(JSON.stringify(push_data)), '_blank');
1743	}
1744
1745	/**
1746	* Handle the display of a notification through a widget.
1747	* Common handler for browser notifications displayed through
1748	* a widget modal rendering.
1749	*
1750	* @param object data notification display data payload.
1751	* @param object options optional extra options for the admin widget.
1752	* @param boolean is_push whether we are coming from a Push notification.
1753	*
1754	* @return void
1755	*/
1756	static handleDisplayWidgetNotification(data, options, is_push) {
1757	try {
1758	// validate handler
1759	if (!VBOCore.options.is_vbo && !VBOCore.options.is_vcm) {
1760	throw new Error('Unable to handle the notification display from the current page');
1761	}
1762
1763	// validate payload
1764	if (typeof data !== 'object' \|\| !data.hasOwnProperty('widget_id') \|\| !data['widget_id']) {
1765	throw new Error('Invalid widget payload');
1766	}
1767
1768	// parse handler
1769	if (VBOCore.options.is_vcm \|\| (is_push && !VBOCore.options.is_vbo)) {
1770	// the operation is handled by VCM (or by an external admin resource, if it's a Push notification)
1771	VBOCore.loadAdminWidgetAssets(data).then((assets) => {
1772	// append assets to DOM
1773	assets.forEach((asset) => {
1774	if (!$('link#' + asset['id']).length) {
1775	$('head').append('<link rel="stylesheet" id="' + asset['id'] + '" href="' + asset['href'] + '" media="all" />');
1776	}
1777	});
1778	// widget modal rendering handled by VCM (or an external admin resource)
1779	let modal_data = VBOCore.renderModalWidget(data['widget_id'], data, options, false);
1780	if (modal_data.hasOwnProperty('dismissed_event')) {
1781	// register event to unload all assets
1782	document.addEventListener(modal_data['dismissed_event'], () => {
1783	assets.forEach((asset) => {
1784	if ($('link#' + asset['id']).length) {
1785	$('link#' + asset['id']).remove();
1786	}
1787	});
1788	});
1789	}
1790	}).catch((error) => {
1791	throw new Error(error);
1792	});
1793	} else {
1794	// widget modal rendering handled by Vik Booking
1795	VBOCore.renderModalWidget(data['widget_id'], data, options, false);
1796	}
1797	} catch(e) {
1798	if (is_push && options.type) {
1799	// fallback to opening a new window to render the clicked Push notification
1800	VBOCore.openAdminPushURI(options);
1801	} else {
1802	// fallback to a regular link opening, if set
1803	VBOCore.handleGoto(data);
1804	}
1805	}
1806	}
1807
1808	/**
1809	* Asynchronous loading of CSS assets required to render
1810	* an admin widget outside Vik Booking.
1811	*
1812	* @param object data the optional widget payload data.
1813	*
1814	* @return Promise
1815	*/
1816	static loadAdminWidgetAssets(data) {
1817	return new Promise((resolve, reject) => {
1818	// the remote assets URI must be set
1819	if (!VBOCore.options.assets_ajax_uri) {
1820	reject('Missing remote assets URI');
1821	return;
1822	}
1823
1824	if (typeof data !== 'object') {
1825	data = {};
1826	}
1827
1828	// make the request
1829	VBOCore.doAjax(
1830	VBOCore.options.assets_ajax_uri,
1831	data,
1832	(response) => {
1833	// parse response
1834	try {
1835	var obj_res = typeof response === 'string' ? JSON.parse(response) : response;
1836	if (!Array.isArray(obj_res)) {
1837	reject('Unexpected JSON response');
1838	}
1839	resolve(obj_res);
1840	} catch(err) {
1841	reject('could not parse JSON response');
1842	}
1843	},
1844	(error) => {
1845	reject(error.responseText);
1846	}
1847	);
1848	});
1849	}
1850
1851	/**
1852	* Register the latest data to watch for the preloaded admin widgets.
1853	*
1854	* @param object watch_data
1855	*/
1856	static registerWatchData(watch_data) {
1857	if (typeof watch_data !== 'object' \|\| watch_data == null) {
1858	VBOCore.widgets_watch_data = null;
1859	return false;
1860	}
1861
1862	// set watch-data map
1863	VBOCore.widgets_watch_data = watch_data;
1864
1865	// schedule watching interval
1866	if (VBOCore.watch_data_interval == null) {
1867	VBOCore.watch_data_interval = window.setInterval(VBOCore.watchWidgetsData, 60000);
1868	}
1869
1870	// set up broadcast channels to connect all browsing contexts
1871	if (typeof BroadcastChannel !== 'undefined') {
1872	// set up watch-data broadcast channel
1873	if (!VBOCore.broadcast_watch_data) {
1874	// start broadcast channel
1875	VBOCore.broadcast_watch_data = new BroadcastChannel('vikbooking_watch_data');
1876
1877	// register to the "on broadcast message received" event
1878	VBOCore.broadcast_watch_data.onmessage = (event) => {
1879	if (event && event.data) {
1880	// update watch data map for next schedule to avoid dispatching duplicate notifications
1881	VBOCore.widgets_watch_data = event.data;
1882	}
1883	};
1884	}
1885
1886	// set up push-data broadcast channel
1887	if (!VBOCore.broadcast_push_data) {
1888	// start broadcast channel
1889	VBOCore.broadcast_push_data = new BroadcastChannel('vikbooking_push_data');
1890
1891	// register to the "on broadcast message received" event
1892	VBOCore.broadcast_push_data.onmessage = (event) => {
1893	if (event && event.data) {
1894	// update pushed data map for the next watching event
1895	VBOCore.widgets_pushed_data.push(event.data);
1896	}
1897	};
1898	}
1899
1900	// set up watch-events broadcast channel
1901	if (!VBOCore.broadcast_watch_events) {
1902	// start broadcast channel
1903	VBOCore.broadcast_watch_events = new BroadcastChannel('vikbooking_watch_events');
1904
1905	// register to the "on broadcast message received" event
1906	VBOCore.broadcast_watch_events.onmessage = (event) => {
1907	if (event && event.data && typeof event.data === 'object') {
1908	// scan and dispatch the events data received
1909	let events_data = event.data;
1910	for (let ev_name in events_data) {
1911	if (!events_data.hasOwnProperty(ev_name)) {
1912	continue;
1913	}
1914	// emit the event
1915	VBOCore.emitEvent(ev_name, events_data[ev_name]);
1916	}
1917	}
1918	};
1919	}
1920	}
1921	}
1922
1923	/**
1924	* Periodic widgets data watching for new events.
1925	*/
1926	static watchWidgetsData() {
1927	if (typeof VBOCore.widgets_watch_data !== 'object' \|\| VBOCore.widgets_watch_data == null) {
1928	return;
1929	}
1930
1931	// call on new events
1932	VBOCore.doAjax(
1933	VBOCore.options.watchdata_ajax_uri,
1934	{
1935	watch_data: JSON.stringify(VBOCore.widgets_watch_data),
1936	pushed_data: JSON.stringify(VBOCore.widgets_pushed_data),
1937	},
1938	(response) => {
1939	try {
1940	var obj_res = typeof response === 'string' ? JSON.parse(response) : response;
1941	if (obj_res.hasOwnProperty('watch_data')) {
1942	// update watch data map for next schedule
1943	VBOCore.widgets_watch_data = obj_res['watch_data'];
1944
1945	// check for notifications
1946	if (obj_res.hasOwnProperty('notifications') && Array.isArray(obj_res['notifications'])) {
1947	// dispatch notifications
1948	for (var i = 0; i < obj_res['notifications'].length; i++) {
1949	VBOCore.dispatchNotification(obj_res['notifications'][i]);
1950	}
1951
1952	// post message onto broadcast channel for any other browsing context
1953	if (VBOCore.broadcast_watch_data && obj_res['notifications'].length) {
1954	// this will avoid dispatching duplicate notifications
1955	VBOCore.broadcast_watch_data.postMessage(VBOCore.widgets_watch_data);
1956	}
1957	}
1958
1959	// check for notification events to dispatch
1960	if (obj_res.hasOwnProperty('events') && Array.isArray(obj_res['events'])) {
1961	// parse and dispatch all the events
1962	obj_res['events'].forEach((events_data) => {
1963	if (typeof events_data !== 'object') {
1964	return;
1965	}
1966
1967	// parse all the events for this widget watched data
1968	for (let ev_name in events_data) {
1969	if (!events_data.hasOwnProperty(ev_name)) {
1970	continue;
1971	}
1972	// emit the event
1973	VBOCore.emitEvent(ev_name, events_data[ev_name]);
1974	}
1975
1976	// post message onto broadcast channel for any other browsing context
1977	if (VBOCore.broadcast_watch_events) {
1978	// this will trigger the events on any other browsing context
1979	VBOCore.broadcast_watch_events.postMessage(events_data);
1980	}
1981	});
1982	}
1983	} else {
1984	console.error('Unexpected or invalid JSON response', response);
1985	}
1986	} catch(err) {
1987	console.error('could not parse JSON response', err, response);
1988	}
1989	},
1990	(error) => {
1991	console.error(error.responseText);
1992	}
1993	);
1994	}
1995
1996	/**
1997	* Widget modal rendering.
1998	*
1999	* @param string widget_id the widget identifier to render.
2000	* @param any data the optional multitask data to inject.
2001	* @param object options optional list of extra options to render the widget with Multitask data.
2002	* @param bool hide_panel if false, the multitask panel elements will remain unchanged.
2003	*
2004	* @return object the multitask data injected object merged with modal options.
2005	*/
2006	static renderModalWidget(widget_id, data, options, hide_panel) {
2007	/**
2008	* Adjust arguments for BC with previous ordering between options
2009	* and hide_panel, which used to be inverted. Useful also to shorten
2010	* the way the method can be invoked in case no options are needed.
2011	*/
2012	if (typeof options === 'boolean') {
2013	// switch argument values
2014	hide_panel = options;
2015	options = null;
2016	}
2017
2018	if (typeof data !== 'object' \|\| data == null) {
2019	// always treat data as an object
2020	data = {};
2021	}
2022
2023	if (typeof options !== 'object' \|\| options == null) {
2024	// always treat options as an object
2025	options = data._options \|\| {};
2026	}
2027
2028	// build the default widget payload
2029	let modal_js_id = Math.floor(Math.random() * 100000);
2030	let modal_title = options._push && options.title ? options.title : VBOCore.options.tn_texts.admin_widget;
2031	let widget_data = {
2032	_modalRendering: 1,
2033	_modalJsId: modal_js_id,
2034	_modalTitle: modal_title,
2035	_options: options,
2036	};
2037
2038	// merge default payload options with given options
2039	data = Object.assign(widget_data, data);
2040
2041	// define unique modal event names to avoid conflicts
2042	let dismiss_event = 'vbo-dismiss-widget-modal' + modal_js_id;
2043	let loading_event = 'vbo-loading-widget-modal' + modal_js_id;
2044
2045	// define the modal options
2046	let modal_options = {
2047	suffix: 'widget_modal',
2048	extra_class: 'vbo-modal-widget vbo-modal-rounded vbo-modal-tall vbo-modal-nofooter',
2049	title: data._modalTitle,
2050	body_prepend: true,
2051	lock_scroll: true,
2052	draggable: true,
2053	dismiss_event: dismiss_event,
2054	loading_event: loading_event,
2055	loading_body: VBOCore.options.default_loading_body,
2056	dismissed_event: VBOCore.options.widget_modal_dismissed + modal_js_id,
2057	event_data: widget_data,
2058	};
2059
2060	// check if options should rewrite some modal-options
2061	if (options.modal_options) {
2062	modal_options = Object.assign(modal_options, options.modal_options);
2063	}
2064
2065	// display modal
2066	let widget_modal = VBOCore.displayModal(modal_options);
2067
2068	if (hide_panel !== false) {
2069	// blur search widget input, hide multitask panel
2070	$(VBOCore.options.panel_opts.search_selector).trigger('blur');
2071	VBOCore.emitEvent(VBOCore.multitask_shortcut_event);
2072	}
2073
2074	// start loading
2075	VBOCore.emitEvent(loading_event);
2076
2077	// render admin widget
2078	VBOCore.renderAdminWidget(widget_id, data).then((content) => {
2079	// stop loading and append widget content to modal
2080	VBOCore.emitEvent(loading_event);
2081	widget_modal.append(content);
2082
2083	// register an admin menu action for the rendered widget
2084	VBOCore.fetchWidgetDetails(widget_id).then((details) => {
2085	try {
2086	// work on Local Storage to register the widget data
2087	VBOCore.registerAdminMenuAction({
2088	name: details['name'],
2089	href: 'JavaScript: void(0);',
2090	widget: widget_id,
2091	icon: details['icon'],
2092	style: details['style'],
2093	}, 'widgets');
2094	} catch(e) {
2095	console.error(e);
2096	}
2097	}).catch((error) => {
2098	console.error(error);
2099	});
2100	}).catch((error) => {
2101	// dismiss modal and display error
2102	VBOCore.emitEvent(dismiss_event);
2103	alert(error);
2104	});
2105
2106	return Object.assign(data, modal_options);
2107	}
2108
2109	/**
2110	* Renders an admin widget.
2111	*
2112	* @param string widget_id the widget identifier string to add.
2113	* @param any data the optional multitask data to inject.
2114	*
2115	* @return Promise
2116	*/
2117	static renderAdminWidget(widget_id, data) {
2118	return new Promise((resolve, reject) => {
2119	if (!VBOCore.options.widget_ajax_uri) {
2120	reject('Could not load admin widget');
2121	return;
2122	}
2123
2124	var call_method = 'render';
2125	VBOCore.doAjax(
2126	VBOCore.options.widget_ajax_uri,
2127	{
2128	widget_id: widget_id,
2129	call: call_method,
2130	vbo_page: VBOCore.options.current_page,
2131	vbo_uri: VBOCore.options.current_page_uri,
2132	multitask: 1,
2133	multitask_data: data,
2134	},
2135	(response) => {
2136	// parse response
2137	try {
2138	var obj_res = typeof response === 'string' ? JSON.parse(response) : response;
2139	if (!obj_res.hasOwnProperty(call_method)) {
2140	reject('Unexpected JSON response');
2141	return;
2142	}
2143	resolve(obj_res[call_method]);
2144	} catch(err) {
2145	reject('could not parse JSON response');
2146	}
2147	},
2148	(error) => {
2149	reject(error.responseText);
2150	}
2151	);
2152	});
2153	}
2154
2155	/**
2156	* Fetches the details for a specific widget.
2157	*
2158	* @param string widget_id the widget identifier string to fetch.
2159	*
2160	* @return Promise
2161	*
2162	* @since 1.6.7
2163	*/
2164	static fetchWidgetDetails(widget_id) {
2165	return new Promise((resolve, reject) => {
2166	if (!VBOCore.options.widget_ajax_uri) {
2167	reject('Could not load admin widget');
2168	return;
2169	}
2170
2171	var call_method = 'getWidgetDetails';
2172	VBOCore.doAjax(
2173	VBOCore.options.widget_ajax_uri,
2174	{
2175	widget_id: widget_id,
2176	call: call_method,
2177	return: 1,
2178	},
2179	(response) => {
2180	// parse response
2181	try {
2182	var obj_res = typeof response === 'string' ? JSON.parse(response) : response;
2183	if (!obj_res.hasOwnProperty(call_method)) {
2184	reject('Unexpected JSON response');
2185	return;
2186	}
2187	resolve(obj_res[call_method]);
2188	} catch(err) {
2189	reject('could not parse JSON response');
2190	}
2191	},
2192	(error) => {
2193	reject(error.responseText);
2194	}
2195	);
2196	});
2197	}
2198
2199	/**
2200	* Helper method used to copy the text of an
2201	* input element within the clipboard.
2202	*
2203	* Clipboard copy will take effect only in case the
2204	* function is handled by a DOM event explicitly
2205	* triggered by the user, such as a "click".
2206	*
2207	* @param any input The input containing the text to copy.
2208	*
2209	* @return Promise
2210	*/
2211	static copyToClipboard(input) {
2212	// register and return promise
2213	return new Promise((resolve, reject) => {
2214	// define a fallback function
2215	var fallback = function(input) {
2216	// focus the input
2217	input.focus();
2218	// select the text inside the input
2219	input.select();
2220
2221	try {
2222	// try to copy with shell command
2223	var copy = document.execCommand('copy');
2224
2225	if (copy) {
2226	// copied successfully
2227	resolve(copy);
2228	} else {
2229	// unable to copy
2230	reject(copy);
2231	}
2232	} catch (error) {
2233	// unable to exec the command
2234	reject(error);
2235	}
2236	};
2237
2238	// look for navigator clipboard
2239	if (!navigator \|\| !navigator.clipboard) {
2240	// navigator clipboard not supported, use fallback
2241	fallback(input);
2242	return;
2243	}
2244
2245	// try to copy within the clipboard by using the navigator
2246	navigator.clipboard.writeText((input.val ? input.val() : input.value)).then(() => {
2247	// copied successfully
2248	resolve(true);
2249	}).catch((error) => {
2250	// revert to the fallback
2251	fallback(input);
2252	});
2253	});
2254	}
2255
2256	/**
2257	* Helper method used to display a modal window dinamycally.
2258	*
2259	* @param object options The options to render the modal.
2260	*
2261	* @return object The modal content element wrapper.
2262	*/
2263	static displayModal(options) {
2264	var def_options = {
2265	suffix: (Math.floor(Math.random() * 100000)) + '',
2266	extra_class: null,
2267	title: '',
2268	body: '',
2269	body_prepend: false,
2270	lock_scroll: false,
2271	draggable: false,
2272	footer_left: null,
2273	footer_right: null,
2274	dismiss_event: null,
2275	dismissed_event: null,
2276	onDismiss: null,
2277	loading_event: null,
2278	loading_body: VBOCore.options.default_loading_body,
2279	event_data: null,
2280	};
2281
2282	// merge default options with given options
2283	options = Object.assign(def_options, options);
2284
2285	// create the modal dismiss function
2286	var modal_dismiss_fn = (e) => {
2287	custom_modal.fadeOut(400, () => {
2288	// invoke callback for onDismiss
2289	if (typeof options.onDismiss === 'function') {
2290	options.onDismiss.call(custom_modal, e);
2291	}
2292
2293	// check if modal did register to the loading event
2294	if (options.loading_event) {
2295	// we can now un-register from the loading event until a new modal is displayed and will register to it again
2296	document.removeEventListener(options.loading_event, modal_handle_loading_event_fn);
2297	}
2298
2299	// check if we should fire the given modal dismissed event
2300	if (options.dismissed_event) {
2301	VBOCore.emitEvent(options.dismissed_event, options.event_data);
2302	}
2303
2304	// check if body scroll lock should be removed
2305	if (options.lock_scroll) {
2306	$('body').removeClass('vbo-modal-lock-scroll');
2307	}
2308
2309	// remove modal from DOM
2310	custom_modal.remove();
2311	});
2312	};
2313
2314	// create the modal loading event handler function
2315	var modal_handle_loading_event_fn = (e) => {
2316	// toggle modal loading
2317	if ($('.vbo-modal-overlay-content-backdrop').length) {
2318	// hide loading
2319	$('.vbo-modal-overlay-content-backdrop').remove();
2320
2321	// do not proceed
2322	return;
2323	}
2324
2325	// show loading
2326	var modal_loading = $('<div></div>').addClass('vbo-modal-overlay-content-backdrop');
2327	var modal_loading_body = $('<div></div>').addClass('vbo-modal-overlay-content-backdrop-body');
2328	if (options.loading_body) {
2329	modal_loading_body.append(options.loading_body);
2330	}
2331	modal_loading.append(modal_loading_body);
2332
2333	// append backdrop loading to modal content
2334	modal_content.prepend(modal_loading);
2335	};
2336
2337	// start the modal position variables
2338	var modal_pos_x = 0, modal_pos_y = 0;
2339
2340	// create the modal drag-start (mousedown) event handler function
2341	var modal_dragstart_fn = (e) => {
2342	e = e \|\| window.event;
2343	e.preventDefault();
2344
2345	if (typeof e.clientX === 'undefined' \|\| typeof e.clientY === 'undefined') {
2346	// unsupported
2347	return;
2348	}
2349
2350	if (e.target) {
2351	e.target.style.cursor = 'move';
2352	}
2353
2354	// store the initial modal (cursor) position
2355	modal_pos_x = e.clientX;
2356	modal_pos_y = e.clientY;
2357
2358	// register mouseup and mousemove events
2359	document.onmouseup = modal_dragstop_fn;
2360	document.onmousemove = modal_dragmove_fn;
2361	};
2362
2363	// create the modal drag-stop (mouseup) event handler function
2364	var modal_dragstop_fn = (e) => {
2365	e = e \|\| window.event;
2366
2367	if (e.target) {
2368	e.target.style.cursor = 'auto';
2369	}
2370
2371	// unregister mousemove event
2372	if (document.onmousemove == modal_dragmove_fn) {
2373	document.onmousemove = null;
2374	}
2375
2376	// unregister mouseup event
2377	if (document.onmouseup == modal_dragstop_fn) {
2378	document.onmouseup = null;
2379	}
2380	};
2381
2382	// create the modal drag-move (mousemove) event handler function
2383	var modal_dragmove_fn = (e) => {
2384	e = e \|\| window.event;
2385	e.preventDefault();
2386
2387	if (typeof e.clientX === 'undefined' \|\| typeof e.clientY === 'undefined') {
2388	// unsupported
2389	return;
2390	}
2391
2392	// calculate the new modal (cursor) position
2393	let new_modal_pos_x = modal_pos_x - e.clientX;
2394	let new_modal_pos_y = modal_pos_y - e.clientY;
2395
2396	// update current modal (cursor) position
2397	modal_pos_x = e.clientX;
2398	modal_pos_y = e.clientY;
2399
2400	// find the modal element
2401	let modal_element = e.target.closest('.vbo-modal-overlay-content');
2402	if (!modal_element) {
2403	return;
2404	}
2405
2406	// set the modal position
2407	modal_element.style.top = (modal_element.offsetTop - new_modal_pos_y) + 'px';
2408	modal_element.style.left = (modal_element.offsetLeft - new_modal_pos_x) + 'px';
2409	};
2410
2411	// build modal content
2412	var custom_modal = $('<div></div>').addClass('vbo-modal-overlay-block vbo-modal-overlay-' + options.suffix).css('display', 'block');
2413	var modal_dismiss = $('<a></a>').addClass('vbo-modal-overlay-close');
2414	modal_dismiss.on('click', modal_dismiss_fn);
2415	custom_modal.append(modal_dismiss);
2416
2417	var modal_content = $('<div></div>').addClass('vbo-modal-overlay-content vbo-modal-overlay-content-' + options.suffix);
2418	if (options.extra_class && typeof options.extra_class === 'string') {
2419	modal_content.addClass(options.extra_class);
2420	}
2421
2422	var modal_head = $('<div></div>').addClass('vbo-modal-overlay-content-head');
2423	var modal_head_close = $('<span></span>').addClass('vbo-modal-overlay-close-times').html('×');
2424	modal_head_close.on('click', modal_dismiss_fn);
2425	modal_head.append(options.title).append(modal_head_close);
2426
2427	// check if the modal head should be draggable
2428	if (options.draggable) {
2429	// register the event to allow dragging
2430	modal_head.addClass('vbo-modal-head-draggable');
2431	modal_head.on('mousedown', modal_dragstart_fn);
2432	}
2433
2434	var modal_body = $('<div></div>').addClass('vbo-modal-overlay-content-body vbo-modal-overlay-content-body-scroll');
2435	var modal_content_wrapper = $('<div></div>').addClass('vbo-modal-' + options.suffix + '-wrap');
2436	if (typeof options.body === 'string') {
2437	modal_content_wrapper.html(options.body);
2438	} else {
2439	modal_content_wrapper.append(options.body);
2440	}
2441	modal_body.append(modal_content_wrapper);
2442
2443	// modal footer
2444	var modal_footer = null;
2445	if (options.footer_left \|\| options.footer_right) {
2446	modal_footer = $('<div></div>').addClass('vbo-modal-overlay-content-footer');
2447	if (options.footer_left) {
2448	var modal_footer_left = $('<div></div>').addClass('vbo-modal-overlay-content-footer-left').append(options.footer_left);
2449	modal_footer.append(modal_footer_left);
2450	}
2451	if (options.footer_right) {
2452	var modal_footer_right = $('<div></div>').addClass('vbo-modal-overlay-content-footer-right').append(options.footer_right);
2453	modal_footer.append(modal_footer_right);
2454	}
2455
2456	}
2457
2458	// finalize modal contents
2459	modal_content.append(modal_head).append(modal_body);
2460	if (modal_footer) {
2461	modal_content.append(modal_footer);
2462	}
2463	custom_modal.append(modal_content);
2464
2465	// register to the dismiss event
2466	if (options.dismiss_event) {
2467	// listen to the event that will dismiss the modal
2468	document.addEventListener(options.dismiss_event, function vbo_core_handle_dismiss_event(e) {
2469	// make sure the same event won't propagate again, unless a new modal is displayed (multiple displayModal calls)
2470	e.target.removeEventListener(e.type, vbo_core_handle_dismiss_event);
2471
2472	// invoke the modal dismiss function
2473	modal_dismiss_fn(e);
2474	});
2475
2476	// declare the function to detect the Escape key pressed
2477	const vbo_core_dismiss_event_modal_escape = (e) => {
2478	if (!e.key \|\| e.key != 'Escape') {
2479	return;
2480	}
2481
2482	// immediately unregister from this event once fired
2483	document.removeEventListener(e.type, vbo_core_dismiss_event_modal_escape);
2484
2485	// trigger the actual dismiss event
2486	VBOCore.emitEvent(options.dismiss_event);
2487	};
2488
2489	// listen to the Escape keyup event to dismiss the modal
2490	document.addEventListener('keyup', vbo_core_dismiss_event_modal_escape);
2491	}
2492
2493	// register to the toggle-loading event
2494	if (options.loading_event) {
2495	// let a function handle it so that removing the event listener will be doable
2496	document.addEventListener(options.loading_event, modal_handle_loading_event_fn);
2497	}
2498
2499	// append (or prepend) modal to body
2500	if ($('.vbo-modal-overlay-' + options.suffix).length) {
2501	$('.vbo-modal-overlay-' + options.suffix).remove();
2502	}
2503	if (options.body_prepend) {
2504	// prepend to body
2505	if ($('body > .vbo-modal-overlay-block').length) {
2506	// we've got other modals prepended to the body, so go after the last one
2507	$('body > .vbo-modal-overlay-block').last().after(custom_modal);
2508	} else {
2509	// place the modal right as the first child node of body
2510	$('body').prepend(custom_modal);
2511	}
2512	} else {
2513	// append to body
2514	$('body').append(custom_modal);
2515	}
2516
2517	// check if scroll should be locked on the whole page body for a "sticky" modal
2518	if (options.lock_scroll) {
2519	$('body').addClass('vbo-modal-lock-scroll');
2520	}
2521
2522	// return the content wrapper element of the new modal
2523	return modal_content_wrapper;
2524	}
2525
2526	/**
2527	* Debounce technique to group a flurry of events into one single event.
2528	*/
2529	static debounceEvent(func, wait, immediate) {
2530	var timeout;
2531	return function() {
2532	var context = this, args = arguments;
2533	var later = function() {
2534	timeout = null;
2535	if (!immediate) func.apply(context, args);
2536	};
2537	var callNow = immediate && !timeout;
2538	clearTimeout(timeout);
2539	timeout = setTimeout(later, wait);
2540	if (callNow) {
2541	func.apply(context, args);
2542	}
2543	}
2544	}
2545
2546	/**
2547	* Throttle guarantees a constant flow of events at a given time interval.
2548	* Runs immediately when the event takes place, but can be delayed.
2549	*/
2550	static throttleEvent(method, delay) {
2551	var time = Date.now();
2552	return function() {
2553	if ((time + delay - Date.now()) < 0) {
2554	method();
2555	time = Date.now();
2556	}
2557	}
2558	}
2559
2560	/**
2561	* Alternative throttle technique for event listeners.
2562	*
2563	* @param function callback the callback to invoke.
2564	* @param int time the time (in ms) to throttle.
2565	*
2566	* @return void
2567	*
2568	* @since 1.6.8
2569	*/
2570	static throttleTimer(callback, time) {
2571	if (VBOCore.throttle_timer) {
2572	// prevent more executions
2573	return;
2574	}
2575
2576	// turn throttle timer on
2577	VBOCore.throttle_timer = true;
2578
2579	setTimeout(() => {
2580	// run the callback with the given delay
2581	callback();
2582
2583	// turn throttle timer off
2584	VBOCore.throttle_timer = false;
2585	}, time);
2586	}
2587
2588	/**
2589	* Tells whether localStorage is supported.
2590	*
2591	* @return boolean
2592	*/
2593	static storageSupported() {
2594	return typeof localStorage !== 'undefined';
2595	}
2596
2597	/**
2598	* Gets an item from localStorage.
2599	*
2600	* @param string keyName the storage key identifier.
2601	*
2602	* @return any
2603	*/
2604	static storageGetItem(keyName) {
2605	if (!VBOCore.storageSupported()) {
2606	return null;
2607	}
2608
2609	return localStorage.getItem(keyName);
2610	}
2611
2612	/**
2613	* Sets an item to localStorage.
2614	*
2615	* @param string keyName the storage key identifier.
2616	* @param any value the value to store.
2617	*
2618	* @return boolean
2619	*/
2620	static storageSetItem(keyName, value) {
2621	if (!VBOCore.storageSupported()) {
2622	return false;
2623	}
2624
2625	try {
2626	if (typeof value === 'object') {
2627	value = JSON.stringify(value);
2628	}
2629
2630	localStorage.setItem(keyName, value);
2631	} catch(e) {
2632	return false;
2633	}
2634
2635	return true;
2636	}
2637
2638	/**
2639	* Removes an item from localStorage.
2640	*
2641	* @param string keyName the storage key identifier.
2642	*
2643	* @return boolean
2644	*/
2645	static storageRemoveItem(keyName) {
2646	if (!VBOCore.storageSupported()) {
2647	return false;
2648	}
2649
2650	localStorage.removeItem(keyName);
2651
2652	return true;
2653	}
2654
2655	/**
2656	* Returns the name of the storage identifier for the given scope.
2657	*
2658	* @param string scope the admin menu scope.
2659	*
2660	* @return string the requested admin menu storage identifier.
2661	*/
2662	static getStorageScopeName(scope) {
2663	let storage_scope_name = VBOCore.options.admin_menu_actions_nm;
2664
2665	if (typeof scope === 'string' && scope.length) {
2666	if (scope.indexOf('.') !== 0) {
2667	scope = '.' + scope;
2668	}
2669	storage_scope_name += scope;
2670	}
2671
2672	return storage_scope_name;
2673	}
2674
2675	/**
2676	* Returns a list of admin menu action objects or an empty array.
2677	*
2678	* @param string scope the admin menu scope.
2679	*
2680	* @return Array
2681	*/
2682	static getAdminMenuActions(scope) {
2683	let menu_actions = VBOCore.storageGetItem(VBOCore.getStorageScopeName(scope));
2684
2685	if (!menu_actions) {
2686	return [];
2687	}
2688
2689	try {
2690	menu_actions = JSON.parse(menu_actions);
2691	if (!Array.isArray(menu_actions) \|\| !menu_actions.length) {
2692	menu_actions = [];
2693	}
2694	} catch(e) {
2695	return [];
2696	}
2697
2698	return menu_actions;
2699	}
2700
2701	/**
2702	* Builds an admin menu action object with a proper href property.
2703	*
2704	* @param object action the action to build.
2705	*
2706	* @return object
2707	*/
2708	static buildAdminMenuAction(action) {
2709	if (typeof action !== 'object' \|\| !action \|\| !action.hasOwnProperty('name')) {
2710	throw new Error('Invalid action object');
2711	}
2712
2713	var action_base = action.hasOwnProperty('href') && typeof action['href'] == 'string' ? action['href'] : window.location.href;
2714	var action_url;
2715
2716	if (action_base.toLowerCase().indexOf('javascript') === 0 && action.hasOwnProperty('widget')) {
2717	// no need to prepare the action URL ("JavaScript: void(0)") as the link will use a JS callback
2718	return action;
2719	}
2720
2721	if (action_base.indexOf('http') !== 0) {
2722	// relative URL
2723	action_url = new URL(action_base, window.location.href);
2724	} else {
2725	// absolute URL
2726	action_url = new URL(action_base);
2727	}
2728
2729	// build proper href with a relative URL
2730	action['href'] = action_url.pathname + action_url.search;
2731
2732	return action;
2733	}
2734
2735	/**
2736	* Registers an admin menu action object.
2737	*
2738	* @param object action the action to build.
2739	* @param string scope the admin menu scope.
2740	*
2741	* @return boolean
2742	*/
2743	static registerAdminMenuAction(action, scope) {
2744	// build menu action object
2745	let menu_action_entry = VBOCore.buildAdminMenuAction(action);
2746
2747	let menu_actions = VBOCore.getAdminMenuActions(scope);
2748
2749	// make sure we are not pushing a duplicate and count pinned actions
2750	let pinned_actions = 0;
2751	let unpinned_index = [];
2752	for (let i = 0; i < menu_actions.length; i++) {
2753	// avoid duplicate entries
2754	if (!menu_action_entry.hasOwnProperty('widget') && menu_actions[i]['href'] == menu_action_entry['href']) {
2755	// duplicate link
2756	return false;
2757	}
2758	if (menu_action_entry.hasOwnProperty('widget') && menu_actions[i].hasOwnProperty('widget') && menu_actions[i]['href'] == menu_action_entry['widget']) {
2759	// duplicate widget
2760	return false;
2761	}
2762	if (menu_actions[i].hasOwnProperty('pinned') && menu_actions[i]['pinned']) {
2763	pinned_actions++;
2764	} else {
2765	unpinned_index.push(i);
2766	}
2767	}
2768
2769	if (pinned_actions >= VBOCore.options.admin_menu_maxactions) {
2770	// no more space to register a new menu action for this admin menu
2771	return false;
2772	}
2773
2774	// splice or pop before prepending to keep current indexes
2775	let tot_menu_actions = menu_actions.length;
2776	if (++tot_menu_actions > VBOCore.options.admin_menu_maxactions) {
2777	if (unpinned_index.length) {
2778	menu_actions.splice(unpinned_index[unpinned_index.length - 1], 1);
2779	} else {
2780	menu_actions.pop();
2781	}
2782	}
2783
2784	// prepend new admin menu action
2785	menu_actions.unshift(menu_action_entry);
2786
2787	return VBOCore.storageSetItem(VBOCore.getStorageScopeName(scope), menu_actions);
2788	}
2789
2790	/**
2791	* Updates an existing admin menu action object.
2792	*
2793	* @param object action the action to build.
2794	* @param string scope the admin menu scope.
2795	* @param number index optional menu action index.
2796	*
2797	* @return boolean
2798	*/
2799	static updateAdminMenuAction(action, scope, index) {
2800	// build menu action object
2801	let menu_action_entry = VBOCore.buildAdminMenuAction(action);
2802
2803	let menu_actions = VBOCore.getAdminMenuActions(scope);
2804
2805	if (!menu_actions.length) {
2806	return false;
2807	}
2808
2809	if (typeof index === 'undefined') {
2810	// find the proper index to update by href
2811	for (let i = 0; i < menu_actions.length; i++) {
2812	if (menu_actions[i].hasOwnProperty('widget') && menu_action_entry.hasOwnProperty('widget') && menu_actions[i]['widget'] == menu_action_entry['widget']) {
2813	// existing entry for widget found
2814	index = i;
2815	break;
2816	} else if (!menu_action_entry.hasOwnProperty('widget') && menu_actions[i]['href'] == menu_action_entry['href']) {
2817	// existing entry for link found
2818	index = i;
2819	break;
2820	}
2821	}
2822	}
2823
2824	if (isNaN(index) \|\| !(index in menu_actions)) {
2825	// menu entry index not found
2826	return false;
2827	}
2828
2829	menu_actions[index] = menu_action_entry;
2830
2831	return VBOCore.storageSetItem(VBOCore.getStorageScopeName(scope), menu_actions);
2832	}
2833
2834	/**
2835	* Checks if the current menu actions should be filled with some other actions.
2836	* No update is made over the Local Storage through this method.
2837	*
2838	* @param array menu_actions menu actions to fill.
2839	* @param array widgets_actions default actions to use for filling.
2840	* @param string scope the admin menu scope.
2841	*
2842	* @return array the menu actions eventually filled.
2843	*/
2844	static fillAdminMenuActions(menu_actions, widgets_actions, scope) {
2845	if (!Array.isArray(menu_actions) \|\| !Array.isArray(widgets_actions)) {
2846	return [];
2847	}
2848
2849	if (!menu_actions.length \|\| !widgets_actions.length \|\| menu_actions.length >= VBOCore.options.admin_menu_maxactions) {
2850	return menu_actions;
2851	}
2852
2853	var current_widgets = [];
2854	menu_actions.forEach((action, index) => {
2855	current_widgets.push(action['widget']);
2856	});
2857
2858	for (var i = 0; i < widgets_actions.length; i++) {
2859	if (menu_actions.length >= VBOCore.options.admin_menu_maxactions) {
2860	// abort for filling completed
2861	break;
2862	}
2863
2864	if (!widgets_actions[i].hasOwnProperty('widget')) {
2865	// action must be for a widget
2866	continue;
2867	}
2868
2869	if (current_widgets.includes(widgets_actions[i]['widget'])) {
2870	// there cannot be duplicate entries
2871	continue;
2872	}
2873
2874	// fill menu action
2875	menu_actions.push(widgets_actions[i]);
2876	}
2877
2878	return menu_actions;
2879	}
2880	}
2881
2882	/**
2883	* These used to be private static properties (static #options),
2884	* but they are only supported by quite recent browsers (especially Safari).
2885	* It's too premature, so we decided to keep the class properties public
2886	* without declaring them as static inside the class declaration.
2887	*
2888	* @var object
2889	*/
2890	VBOCore.options = {
2891	is_vbo: false,
2892	is_vcm: false,
2893	cms: 'wordpress',
2894	widget_ajax_uri: null,
2895	assets_ajax_uri: null,
2896	multitask_ajax_uri: null,
2897	watchdata_ajax_uri: null,
2898	current_page: null,
2899	current_page_uri: null,
2900	root_uri: '/',
2901	client: 'admin',
2902	panel_opts: {},
2903	admin_widgets: [],
2904	notif_audio_url: '',
2905	active_listeners: {},
2906	tn_texts: {
2907	notifs_enabled: 'Browser notifications are enabled!',
2908	notifs_disabled: 'Browser notifications are disabled',
2909	notifs_disabled_help: "Could not enable browser notifications.\nThis feature is available only in secure contexts (HTTPS).",
2910	admin_widget: 'Admin widget',
2911	congrats: 'Congratulations!',
2912	},
2913	default_loading_body: '....',
2914	multitask_save_event: 'vbo-admin-multitask-save',
2915	multitask_open_event: 'vbo-admin-multitask-open',
2916	multitask_close_event: 'vbo-admin-multitask-close',
2917	multitask_shortcut_ev: 'vbo_multitask_shortcut',
2918	multitask_searchfs_ev: 'vbo_multitask_search_focus',
2919	widget_modal_rendered: 'vbo-admin-widget-modal-rendered',
2920	widget_modal_dismissed: 'vbo-widget-modal-dismissed',
2921	admin_menu_maxactions: 3,
2922	admin_menu_actions_nm: 'vikbooking.admin_menu.actions',
2923	service_worker_path: '',
2924	service_worker_scope: './',
2925	push: {
2926	application_key: '',
2927	ajax_url: '',
2928	},
2929	push_options: {
2930	storage_endp_id: 'vbo_push_subscr_endp',
2931	allowed_notif_types: [
2932	'Book',
2933	'Modify',
2934	'Cancel',
2935	'Request',
2936	'CancelRequest',
2937	'Inquiry',
2938	'CancelInquiry',
2939	'Chat',
2940	'Info',
2941	],
2942	},
2943	};
2944
2945	/**
2946	* @var bool
2947	*/
2948	VBOCore.side_panel_on = false;
2949
2950	/**
2951	* @var bool
2952	* @since 1.6.8
2953	*/
2954	VBOCore.throttle_timer = false;
2955
2956	/**
2957	* @var array
2958	*/
2959	VBOCore.notifications = [];
2960
2961	/**
2962	* @var object
2963	*/
2964	VBOCore.widgets_watch_data = null;
2965
2966	/**
2967	* @var number
2968	*/
2969	VBOCore.watch_data_interval = null;
2970
2971	/**
2972	* @var object
2973	* @since 1.6.3
2974	*/
2975	VBOCore.broadcast_watch_data = null;
2976
2977	/**
2978	* @var object
2979	* @since 1.6.5
2980	*/
2981	VBOCore.broadcast_push_data = null;
2982
2983	/**
2984	* @var object
2985	* @since 1.6.8
2986	*/
2987	VBOCore.broadcast_watch_events = null;
2988
2989	/**
2990	* @var array<object>
2991	* @since 1.6.5
2992	*/
2993	VBOCore.widgets_pushed_data = [];
2994
2995	})(jQuery, window);