view/js/main.js

   1 // @license magnet:?xt=urn:btih:0b31508aeb0634b347b8270c7bee4d411b5d4109&dn=agpl-3.0.txt AGPLv3-or-later
   2
   3 // https://developer.mozilla.org/en-US/docs/Web/API/Element/matches#Polyfill
   4 if (!Element.prototype.matches) {
   5         Element.prototype.matches =
   6                 Element.prototype.matchesSelector ||
   7                 Element.prototype.mozMatchesSelector ||
   8                 Element.prototype.msMatchesSelector ||
   9                 Element.prototype.oMatchesSelector ||
  10                 Element.prototype.webkitMatchesSelector ||
  11                 function(s) {
  12                         var matches = (this.document || this.ownerDocument).querySelectorAll(s),
  13                                 i = matches.length;
  14                         while (--i >= 0 && matches.item(i) !== this) {}
  15                         return i > -1;
  16                 };
  17 }
  18
  19 function resizeIframe(obj) {
  20         _resizeIframe(obj, 0);
  21 }
  22
  23 function _resizeIframe(obj, desth) {
  24         var h = obj.style.height;
  25         var ch = obj.contentWindow.document.body.scrollHeight;
  26
  27         if (h == (ch + 'px')) {
  28                 return;
  29         }
  30         if (desth == ch && ch > 0) {
  31                 obj.style.height  = ch + 'px';
  32         }
  33         setTimeout(_resizeIframe, 100, obj, ch);
  34 }
  35
  36 function initWidget(inflated, deflated) {
  37         var elInf = document.getElementById(inflated);
  38         var elDef = document.getElementById(deflated);
  39
  40         if (!elInf || !elDef) {
  41                 return;
  42         }
  43         if (localStorage.getItem(window.location.pathname.split("/")[1] + ":" + inflated) != "none") {
  44                 elInf.style.display = "block";
  45                 elDef.style.display = "none";
  46         } else {
  47                 elInf.style.display = "none";
  48                 elDef.style.display = "block";
  49         }
  50 }
  51
  52 function openCloseWidget(inflated, deflated) {
  53         var elInf = document.getElementById(inflated);
  54         var elDef = document.getElementById(deflated);
  55
  56         if (!elInf || !elDef) {
  57                 return;
  58         }
  59
  60         if (window.getComputedStyle(elInf).display === "none") {
  61                 elInf.style.display = "block";
  62                 elDef.style.display = "none";
  63                 localStorage.setItem(window.location.pathname.split("/")[1] + ":" + inflated, "block");
  64         } else {
  65                 elInf.style.display = "none";
  66                 elDef.style.display = "block";
  67                 localStorage.setItem(window.location.pathname.split("/")[1] + ":" + inflated, "none");
  68         }
  69 }
  70
  71 function openClose(theID) {
  72         var el = document.getElementById(theID);
  73         if (el) {
  74                 if (window.getComputedStyle(el).display === "none") {
  75                         openMenu(theID);
  76                 } else {
  77                         closeMenu(theID);
  78                 }
  79         }
  80 }
  81
  82 function openMenu(theID) {
  83         var el = document.getElementById(theID);
  84         if (el) {
  85                 if (!el.dataset.display) {
  86                         el.dataset.display = 'block';
  87                 }
  88                 el.style.display = el.dataset.display;
  89         }
  90 }
  91
  92 function closeMenu(theID) {
  93         var el = document.getElementById(theID);
  94         if (el) {
  95                 el.dataset.display = window.getComputedStyle(el).display;
  96                 el.style.display = "none";
  97         }
  98 }
  99
 100 function decodeHtml(html) {
 101         var txt = document.createElement("textarea");
 102
 103         txt.innerHTML = html;
 104         return txt.value;
 105 }
 106
 107 /**
 108  * Retrieves a single named query string parameter
 109  *
 110  * @param {string} name
 111  * @returns {string}
 112  * @see https://davidwalsh.name/query-string-javascript
 113  */
 114 function getUrlParameter(name) {
 115         name = name.replace(/[\[]/, '\\[').replace(/[\]]/, '\\]');
 116         var regex = new RegExp('[\\?&]' + name + '=([^&#]*)');
 117         var results = regex.exec(location.search);
 118         return results === null ? '' : decodeURIComponent(results[1].replace(/\+/g, ' '));
 119 };
 120
 121 var src = null;
 122 var prev = null;
 123 var livetime = null;
 124 var force_update = false;
 125 var update_item = 0;
 126 var stopped = false;
 127 var totStopped = false;
 128 var timer = null;
 129 var pr = 0;
 130 var liking = 0;
 131 var in_progress = false;
 132 var langSelect = false;
 133 var commentBusy = false;
 134 var last_popup_menu = null;
 135 var last_popup_button = null;
 136 var lockLoadContent = false;
 137
 138 const urlRegex = /^(?:https?:\/\/|\s)[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})(?:\/+[a-z0-9_.:;-]*)*(?:\?[&%|+a-z0-9_=,.:;-]*)?(?:[&%|+&a-z0-9_=,:;.-]*)(?:[!#\/&%|+a-z0-9_=,:;.-]*)}*$/i;
 139
 140 $(function() {
 141         $.ajaxSetup({cache: false});
 142
 143         /* setup comment textarea buttons */
 144         /* comment textarea buttons needs some "data-*" attributes to work:
 145          *              data-role="insert-formatting" : to mark the element as a formatting button
 146          *              data-bbcode="<string>" : name of the bbcode element to insert. insertFormatting() will insert it as "[name][/name]"
 147          *              data-id="<string>" : id of the comment, used to find other comment-related element, like the textarea
 148          * */
 149         $('body').on('click','[data-role="insert-formatting"]', function(e) {
 150                 e.preventDefault();
 151                 var o = $(this);
 152                 var bbcode = o.data('bbcode');
 153                 var id = o.data('id');
 154                 if (bbcode == "img") {
 155                         Dialog.doImageBrowser("comment", id);
 156                         return;
 157                 }
 158
 159                 if (bbcode == "imgprv") {
 160                         bbcode = "img";
 161                 }
 162
 163                 insertFormatting(bbcode, id);
 164         });
 165
 166         /* event from comment textarea button popups */
 167         /* insert returned bbcode at cursor position or replace selected text */
 168         $("body").on("fbrowser.image.comment", function(e, filename, bbcode, id) {
 169                 $.colorbox.close();
 170                 var textarea = document.getElementById("comment-edit-text-" +id);
 171                 var start = textarea.selectionStart;
 172                 var end = textarea.selectionEnd;
 173                 textarea.value = textarea.value.substring(0, start) + bbcode + textarea.value.substring(end, textarea.value.length);
 174                 $(textarea).trigger('change');
 175         });
 176
 177         /* popup menus */
 178         function close_last_popup_menu() {
 179                 if (last_popup_menu) {
 180                         last_popup_menu.hide();
 181                         last_popup_menu.off('click', function(e) {e.stopPropagation()});
 182                         last_popup_button.removeClass("selected");
 183                         last_popup_menu = null;
 184                         last_popup_button = null;
 185                 }
 186         }
 187         $('a[rel^="#"]').click(function(e) {
 188                 e.preventDefault();
 189                 var parent = $(this).parent();
 190                 var isSelected = (last_popup_button && parent.attr('id') == last_popup_button.attr('id'));
 191                 close_last_popup_menu();
 192                 if (isSelected) {
 193                         return false;
 194                 }
 195                 menu = $($(this).attr('rel'));
 196                 e.preventDefault();
 197                 e.stopPropagation();
 198                 if (menu.attr('popup') == "false") {
 199                         return false;
 200                 }
 201                 parent.toggleClass("selected");
 202                 menu.toggle();
 203                 if (menu.css("display") == "none") {
 204                         last_popup_menu = null;
 205                         last_popup_button = null;
 206                 } else {
 207                         last_popup_menu = menu;
 208                         last_popup_menu.on('click', function(e) {e.stopPropagation()});
 209                         last_popup_button = parent;
 210                         $('#nav-notifications-menu').perfectScrollbar('update');
 211                 }
 212                 return false;
 213         });
 214         $('html').click(function() {
 215                 close_last_popup_menu();
 216         });
 217
 218         // fancyboxes
 219         $("a.popupbox").colorbox({
 220                 'inline' : true,
 221                 'transition' : 'elastic',
 222                 'maxWidth' : '100%'
 223         });
 224         $("a.ajax-popupbox").colorbox({
 225                 'transition' : 'elastic',
 226                 'maxWidth' : '100%'
 227         });
 228
 229         /* notifications template */
 230         var notifications_tpl= unescape($("#nav-notifications-template[rel=template]").html());
 231         var notifications_all = unescape($('<div>').append($("#nav-notifications-see-all").clone()).html()); //outerHtml hack
 232         var notifications_mark = unescape($('<div>').append($("#nav-notifications-mark-all").clone()).html()); //outerHtml hack
 233         var notifications_empty = unescape($("#nav-notifications-menu").html());
 234
 235         /* enable perfect-scrollbars for different elements */
 236         $('#nav-notifications-menu, aside').perfectScrollbar();
 237
 238         /* nav update event  */
 239         $('nav').bind('nav-update', function(e, data) {
 240                 var invalid = data.invalid || 0;
 241                 if (invalid == 1) {
 242                         window.location.href=window.location.href
 243                 }
 244
 245                 ['net', 'home', 'intro', 'mail', 'events', 'birthdays', 'notification'].forEach(function(type) {
 246                         var number = data[type];
 247                         if (number == 0) {
 248                                 number = '';
 249                                 $('#' + type + '-update').removeClass('show');
 250                         } else {
 251                                 $('#' + type + '-update').addClass('show');
 252                         }
 253                         $('#' + type + '-update').text(number);
 254                 });
 255
 256                 var intro = data['intro'];
 257                 if (intro == 0) {
 258                         intro = ''; $('#intro-update-li').removeClass('show')
 259                 } else {
 260                         $('#intro-update-li').addClass('show')
 261                 }
 262
 263                 $('#intro-update-li').html(intro);
 264
 265                 var mail = data['mail'];
 266                 if (mail == 0) {
 267                         mail = ''; $('#mail-update-li').removeClass('show')
 268                 } else {
 269                         $('#mail-update-li').addClass('show')
 270                 }
 271
 272                 $('#mail-update-li').html(mail);
 273
 274                 $(".sidebar-group-li .notify").removeClass("show");
 275                 $(data.groups).each(function(key, group) {
 276                         var gid = group.id;
 277                         var gcount = group.count;
 278                         $(".group-"+gid+" .notify").addClass("show").text(gcount);
 279                 });
 280
 281                 $(".forum-widget-entry .notify").removeClass("show");
 282                 $(data.forums).each(function(key, forum) {
 283                         var fid = forum.id;
 284                         var fcount = forum.count;
 285                         $(".forum-"+fid+" .notify").addClass("show").text(fcount);
 286                 });
 287
 288                 if (data.notifications.length == 0) {
 289                         $("#nav-notifications-menu").html(notifications_empty);
 290                 } else {
 291                         var nnm = $("#nav-notifications-menu");
 292                         nnm.html(notifications_all + notifications_mark);
 293
 294                         var lastItemStorageKey = "notification-lastitem:" + localUser;
 295                         var notification_lastitem = parseInt(localStorage.getItem(lastItemStorageKey));
 296                         var notification_id = 0;
 297
 298                         // Insert notifs into the notifications-menu
 299                         $(data.notifications).each(function(key, notification) {
 300                                 var text = notification.message.format('<span class="contactname">' + notification.name + '</span>');
 301                                 var contact = ('<a href="' + notification.url + '"><span class="contactname">' + notification.name + '</span></a>');
 302                                 var seenclass = (notification.seen == 1) ? "notification-seen" : "notification-unseen";
 303                                 var html = notifications_tpl.format(
 304                                         notification.href,                     // {0}  // link to the source
 305                                         notification.photo,                    // {1}  // photo of the contact
 306                                         text,                           // {2}  // preformatted text (autor + text)
 307                                         notification.date,                     // {3}  // date of notification (time ago)
 308                                         seenclass,                      // {4}  // visited status of the notification
 309                                         new Date(notification.timestamp*1000), // {5}  // date of notification
 310                                         notification.url,                      // {6}  // profile url of the contact
 311                                         notification.message.format(contact),  // {7}  // preformatted html (text including author profile url)
 312                                         ''                              // {8}  // Deprecated
 313                                 );
 314                                 nnm.append(html);
 315                         });
 316
 317                         // Desktop Notifications
 318                         $(data.notifications.reverse()).each(function(key, e) {
 319                                 notification_id = parseInt(e.timestamp);
 320                                 if (notification_lastitem !== null && notification_id > notification_lastitem && Number(e.seen) === 0) {
 321                                         if (getNotificationPermission() === "granted") {
 322                                                 var notification = new Notification(document.title, {
 323                                                                                   body: decodeHtml(e.message.replace('&rarr; ', '').format(e.name)),
 324                                                                                   icon: e.photo,
 325                                                                                 });
 326                                                 notification['url'] = e.href;
 327                                                 notification.addEventListener("click", function(ev) {
 328                                                         window.location = ev.target.url;
 329                                                 });
 330                                         }
 331                                 }
 332
 333                         });
 334                         notification_lastitem = notification_id;
 335                         localStorage.setItem(lastItemStorageKey, notification_lastitem)
 336
 337                         $("img[data-src]", nnm).each(function(i, el) {
 338                                 // Add src attribute for images with a data-src attribute
 339                                 // However, don't bother if the data-src attribute is empty, because
 340                                 // an empty "src" tag for an image will cause some browsers
 341                                 // to prefetch the root page of the Friendica hub, which will
 342                                 // unnecessarily load an entire profile/ or network/ page
 343                                 if ($(el).data("src") != '') {
 344                                         $(el).attr('src', $(el).data("src"));
 345                                 }
 346                         });
 347                 }
 348
 349                 var notif = data['notification'];
 350                 if (notif > 0) {
 351                         $("#nav-notifications-linkmenu").addClass("on");
 352                 } else {
 353                         $("#nav-notifications-linkmenu").removeClass("on");
 354                 }
 355
 356                 $(data.sysmsgs.notice).each(function(key, message) {
 357                         $.jGrowl(message, {sticky: true, theme: 'notice'});
 358                 });
 359                 $(data.sysmsgs.info).each(function(key, message) {
 360                         $.jGrowl(message, {sticky: false, theme: 'info', life: 5000});
 361                 });
 362
 363                 // Update the js scrollbars
 364                 $('#nav-notifications-menu').perfectScrollbar('update');
 365         });
 366
 367         // Asynchronous calls are deferred until the very end of the page load to ease on slower connections
 368         window.addEventListener("load", function(){
 369                 NavUpdate();
 370                 if (typeof acl !== 'undefined') {
 371                         acl.get(0, 100);
 372                 }
 373         });
 374
 375         // Allow folks to stop the ajax page updates with the pause/break key
 376         $(document).keydown(function(event) {
 377                 if (event.keyCode == '8') {
 378                         var target = event.target || event.srcElement;
 379                         if (!/input|textarea/i.test(target.nodeName)) {
 380                                 return false;
 381                         }
 382                 }
 383
 384                 if (event.keyCode == '19' || (event.ctrlKey && event.which == '32')) {
 385                         event.preventDefault();
 386                         if (stopped == false) {
 387                                 stopped = true;
 388                                 if (event.ctrlKey) {
 389                                         totStopped = true;
 390                                 }
 391                                 $('#pause').html('<img src="images/pause.gif" alt="pause" style="border: 1px solid black;" />');
 392                         } else {
 393                                 unpause();
 394                         }
 395                 } else if (!totStopped) {
 396                         unpause();
 397                 }
 398         });
 399
 400         // Scroll to the next/previous thread when pressing J and K
 401         $(document).keydown(function (event) {
 402                 var threads = $('.thread_level_1');
 403                 if ((event.keyCode === 74 || event.keyCode === 75) && !$(event.target).is('textarea, input')) {
 404                         var scrollTop = $(window).scrollTop();
 405                         if (event.keyCode === 75) {
 406                                 threads = $(threads.get().reverse());
 407                         }
 408                         threads.each(function(key, item) {
 409                                 var comparison;
 410                                 var top = $(item).offset().top - 100;
 411                                 if (event.keyCode === 74) {
 412                                         comparison = top > scrollTop + 1;
 413                                 } else if (event.keyCode === 75) {
 414                                         comparison = top < scrollTop - 1;
 415                                 }
 416                                 if (comparison) {
 417                                         $('html, body').animate({scrollTop: top}, 200);
 418                                         return false;
 419                                 }
 420                         });
 421                 }
 422         });
 423
 424         // Set an event listener for infinite scroll
 425         if (typeof infinite_scroll !== 'undefined') {
 426                 $(window).scroll(function(e) {
 427                         if ($(document).height() != $(window).height()) {
 428                                 // First method that is expected to work - but has problems with Chrome
 429                                 if ($(window).scrollTop() > ($(document).height() - $(window).height() * 1.5))
 430                                         loadScrollContent();
 431                         } else {
 432                                 // This method works with Chrome - but seems to be much slower in Firefox
 433                                 if ($(window).scrollTop() > (($("section").height() + $("header").height() + $("footer").height()) - $(window).height() * 1.5)) {
 434                                         loadScrollContent();
 435                                 }
 436                         }
 437                 });
 438         }
 439 });
 440
 441 /**
 442  * Inserts a BBCode tag in the comment textarea identified by id
 443  *
 444  * @param {string} BBCode
 445  * @param {int} id
 446  * @returns {boolean}
 447  */
 448 function insertFormatting(BBCode, id) {
 449         let textarea = document.getElementById('comment-edit-text-' + id);
 450
 451         if (textarea.value === '') {
 452                 $(textarea)
 453                         .addClass("comment-edit-text-full")
 454                         .removeClass("comment-edit-text-empty");
 455                 closeMenu("comment-fake-form-" + id);
 456                 openMenu("item-comments-" + id);
 457         }
 458
 459         insertBBCodeInTextarea(BBCode, textarea);
 460
 461         return true;
 462 }
 463
 464 /**
 465  * Inserts a BBCode tag in the provided textarea element, wrapping the currently selected text.
 466  * For URL BBCode, it discriminates between link text and non-link text to determine where to insert the selected text.
 467  *
 468  * @param {string} BBCode
 469  * @param {HTMLTextAreaElement} textarea
 470  */
 471 function insertBBCodeInTextarea(BBCode, textarea) {
 472         let selectionStart = textarea.selectionStart;
 473         let selectionEnd = textarea.selectionEnd;
 474         let selectedText = textarea.value.substring(selectionStart, selectionEnd);
 475         let openingTag = '[' + BBCode + ']';
 476         let closingTag = '[/' + BBCode + ']';
 477         let cursorPosition = selectionStart + openingTag.length + selectedText.length;
 478
 479         if (BBCode === 'url') {
 480                 if (urlRegex.test(selectedText)) {
 481                         openingTag = '[' + BBCode + '=' + selectedText + ']';
 482                         selectedText = '';
 483                         cursorPosition = selectionStart + openingTag.length;
 484                 } else {
 485                         openingTag = '[' + BBCode + '=]';
 486                         cursorPosition = selectionStart + openingTag.length - 1;
 487                 }
 488         }
 489
 490         textarea.value = textarea.value.substring(0, selectionStart) + openingTag + selectedText + closingTag + textarea.value.substring(selectionEnd, textarea.value.length);
 491         textarea.setSelectionRange(cursorPosition, cursorPosition);
 492         textarea.dispatchEvent(new Event('change'));
 493         textarea.focus();
 494 }
 495
 496 function NavUpdate() {
 497         if (!stopped) {
 498                 var pingCmd = 'ping?format=json' + ((localUser != 0) ? '&uid=' + localUser : '');
 499                 $.get(pingCmd, function(data) {
 500                         if (data.result) {
 501                                 // send nav-update event
 502                                 $('nav').trigger('nav-update', data.result);
 503
 504                                 // start live update
 505                                 ['network', 'profile', 'community', 'notes', 'display', 'contact'].forEach(function (src) {
 506                                         if ($('#live-' + src).length) {
 507                                                 liveUpdate(src);
 508                                         }
 509                                 });
 510                                 if ($('#live-photos').length) {
 511                                         if (liking) {
 512                                                 liking = 0;
 513                                                 window.location.href = window.location.href;
 514                                         }
 515                                 }
 516                         }
 517                 });
 518         }
 519         timer = setTimeout(NavUpdate, updateInterval);
 520 }
 521
 522 function updateConvItems(data) {
 523         // add a new thread
 524         $('.toplevel_item',data).each(function() {
 525                 var ident = $(this).attr('id');
 526
 527                 // Add new top-level item.
 528                 if ($('#' + ident).length === 0
 529                         && (!getUrlParameter('page')
 530                                 || getUrlParameter('page') === '1'
 531                         )
 532                 ) {
 533                         $('#' + prev).after($(this));
 534
 535                 // Replace already existing thread.
 536                 } else {
 537                         // Find out if the hidden comments are open, so we can keep it that way
 538                         // if a new comment has been posted
 539                         var id = $('.hide-comments-total', this).attr('id');
 540                         if (typeof id != 'undefined') {
 541                                 id = id.split('-')[3];
 542                                 var commentsOpen = $("#collapsed-comments-" + id).is(":visible");
 543                         }
 544
 545                         $('#' + ident).replaceWith($(this));
 546
 547                         if (typeof id != 'undefined') {
 548                                 if (commentsOpen) {
 549                                         showHideComments(id);
 550                                 }
 551                         }
 552                 }
 553                 prev = ident;
 554         });
 555
 556         $('.like-rotator').hide();
 557         if (commentBusy) {
 558                 commentBusy = false;
 559                 $('body').css('cursor', 'auto');
 560         }
 561         /* autocomplete @nicknames */
 562         $(".comment-edit-form  textarea").editor_autocomplete(baseurl + '/search/acl');
 563         /* autocomplete bbcode */
 564         $(".comment-edit-form  textarea").bbco_autocomplete('bbcode');
 565 }
 566
 567 function liveUpdate(src) {
 568         if ((src == null) || stopped || !profile_uid) {
 569                 $('.like-rotator').hide(); return;
 570         }
 571
 572         if (($('.comment-edit-text-full').length) || in_progress) {
 573                 if (livetime) {
 574                         clearTimeout(livetime);
 575                 }
 576                 livetime = setTimeout(function() {liveUpdate(src)}, 5000);
 577                 return;
 578         }
 579
 580         if (livetime != null) {
 581                 livetime = null;
 582         }
 583         prev = 'live-' + src;
 584
 585         in_progress = true;
 586
 587         if ($(document).scrollTop() == 0) {
 588                 force_update = true;
 589         }
 590
 591         var orgHeight = $("section").height();
 592
 593         var udargs = ((netargs.length) ? '/' + netargs : '');
 594
 595         var update_url = 'update_' + src + udargs + '&p=' + profile_uid + '&force=' + ((force_update) ? 1 : 0) + '&item=' + update_item;
 596
 597         if (getUrlParameter('page')) {
 598                 update_url += '&page=' + getUrlParameter('page');
 599         }
 600
 601         $.get(update_url,function(data) {
 602                 in_progress = false;
 603                 force_update = false;
 604                 update_item = 0;
 605
 606                 $('.wall-item-body', data).imagesLoaded(function() {
 607                         updateConvItems(data);
 608
 609                         document.dispatchEvent(new Event('postprocess_liveupdate'));
 610
 611                         // Update the scroll position.
 612                         $(window).scrollTop($(window).scrollTop() + $("section").height() - orgHeight);
 613                 });
 614         });
 615 }
 616
 617 function imgbright(node) {
 618         $(node).removeClass("drophide").addClass("drop");
 619 }
 620
 621 function imgdull(node) {
 622         $(node).removeClass("drop").addClass("drophide");
 623 }
 624
 625 // Since our ajax calls are asynchronous, we will give a few
 626 // seconds for the first ajax call (setting like/dislike), then
 627 // run the updater to pick up any changes and display on the page.
 628 // The updater will turn any rotators off when it's done.
 629 // This function will have returned long before any of these
 630 // events have completed and therefore there won't be any
 631 // visible feedback that anything changed without all this
 632 // trickery. This still could cause confusion if the "like" ajax call
 633 // is delayed and NavUpdate runs before it completes.
 634
 635 function dolike(ident,verb) {
 636         unpause();
 637         $('#like-rotator-' + ident.toString()).show();
 638         $.get('like/' + ident.toString() + '?verb=' + verb, NavUpdate);
 639         liking = 1;
 640         force_update = true;
 641         update_item = ident.toString();
 642 }
 643
 644 function dosubthread(ident) {
 645         unpause();
 646         $('#like-rotator-' + ident.toString()).show();
 647         $.get('subthread/' + ident.toString(), NavUpdate);
 648         liking = 1;
 649 }
 650
 651 function dostar(ident) {
 652         ident = ident.toString();
 653         $('#like-rotator-' + ident).show();
 654         $.get('starred/' + ident, function(data) {
 655                 if (data.match(/1/)) {
 656                         $('#starred-' + ident).addClass('starred');
 657                         $('#starred-' + ident).removeClass('unstarred');
 658                         $('#star-' + ident).addClass('hidden');
 659                         $('#unstar-' + ident).removeClass('hidden');
 660                 } else {
 661                         $('#starred-' + ident).addClass('unstarred');
 662                         $('#starred-' + ident).removeClass('starred');
 663                         $('#star-' + ident).removeClass('hidden');
 664                         $('#unstar-' + ident).addClass('hidden');
 665                 }
 666                 $('#like-rotator-' + ident).hide();
 667         });
 668 }
 669
 670 function dopin(ident) {
 671         ident = ident.toString();
 672         $('#like-rotator-' + ident).show();
 673         $.get('pinned/' + ident, function(data) {
 674                 if (data.match(/1/)) {
 675                         $('#pinned-' + ident).addClass('pinned');
 676                         $('#pinned-' + ident).removeClass('unpinned');
 677                         $('#pin-' + ident).addClass('hidden');
 678                         $('#unpin-' + ident).removeClass('hidden');
 679                 } else {
 680                         $('#pinned-' + ident).addClass('unpinned');
 681                         $('#pinned-' + ident).removeClass('pinned');
 682                         $('#pin-' + ident).removeClass('hidden');
 683                         $('#unpin-' + ident).addClass('hidden');
 684                 }
 685                 $('#like-rotator-' + ident).hide();
 686         });
 687 }
 688
 689 function doignore(ident) {
 690         ident = ident.toString();
 691         $('#like-rotator-' + ident).show();
 692         $.get('item/ignore/' + ident, function(data) {
 693                 if (data === 1) {
 694                         $('#ignored-' + ident)
 695                                 .addClass('ignored')
 696                                 .removeClass('unignored');
 697                         $('#ignore-' + ident).addClass('hidden');
 698                         $('#unignore-' + ident).removeClass('hidden');
 699                 } else {
 700                         $('#ignored-' + ident)
 701                                 .addClass('unignored')
 702                                 .removeClass('ignored');
 703                         $('#ignore-' + ident).removeClass('hidden');
 704                         $('#unignore-' + ident).addClass('hidden');
 705                 }
 706                 $('#like-rotator-' + ident).hide();
 707         });
 708 }
 709
 710 function getPosition(e) {
 711         var cursor = {x:0, y:0};
 712
 713         if (e.pageX || e.pageY) {
 714                 cursor.x = e.pageX;
 715                 cursor.y = e.pageY;
 716         } else {
 717                 if (e.clientX || e.clientY) {
 718                         cursor.x = e.clientX + (document.documentElement.scrollLeft || document.body.scrollLeft) - document.documentElement.clientLeft;
 719                         cursor.y = e.clientY + (document.documentElement.scrollTop  || document.body.scrollTop)  - document.documentElement.clientTop;
 720                 } else if (e.x || e.y) {
 721                         cursor.x = e.x;
 722                         cursor.y = e.y;
 723                 }
 724         }
 725         return cursor;
 726 }
 727
 728 var lockvisible = false;
 729
 730 function lockview(event,id) {
 731         event = event || window.event;
 732         cursor = getPosition(event);
 733         if (lockvisible) {
 734                 lockviewhide();
 735         } else {
 736                 lockvisible = true;
 737                 $.get('lockview/' + id, function(data) {
 738                         $('#panel').html(data);
 739                         $('#panel').css({'left': cursor.x + 5 , 'top': cursor.y + 5});
 740                         $('#panel').show();
 741                 });
 742         }
 743 }
 744
 745 function lockviewhide() {
 746         lockvisible = false;
 747         $('#panel').hide();
 748 }
 749
 750 function post_comment(id) {
 751         unpause();
 752         commentBusy = true;
 753         $('body').css('cursor', 'wait');
 754         $.post(
 755                 "item",
 756                 $("#comment-edit-form-" + id).serialize(),
 757                 function(data) {
 758                         if (data.success) {
 759                                 $("#comment-edit-wrapper-" + id).hide();
 760                                 $("#comment-edit-text-" + id).val('');
 761                                 var tarea = document.getElementById("comment-edit-text-" + id);
 762                                 if (tarea) {
 763                                         commentClose(tarea,id);
 764                                 }
 765                                 if (timer) {
 766                                         clearTimeout(timer);
 767                                 }
 768                                 timer = setTimeout(NavUpdate,10);
 769                                 force_update = true;
 770                                 update_item = id;
 771                         }
 772                         if (data.reload) {
 773                                 window.location.href=data.reload;
 774                         }
 775                 },
 776                 "json"
 777         );
 778         return false;
 779 }
 780
 781 function preview_comment(id) {
 782         $("#comment-edit-preview-" + id).show();
 783         $.post(
 784                 "item",
 785                 $("#comment-edit-form-" + id).serialize() + '&preview=1',
 786                 function(data) {
 787                         if (data.preview) {
 788                                 $("#comment-edit-preview-" + id).html(data.preview);
 789                                 $("#comment-edit-preview-" + id + " a").click(function() {return false;});
 790                         }
 791                 },
 792                 "json"
 793         );
 794         return true;
 795 }
 796
 797 function showHideComments(id) {
 798         if ($('#collapsed-comments-' + id).is(':visible')) {
 799                 $('#collapsed-comments-' + id).slideUp();
 800                 $('#hide-comments-' + id).hide();
 801                 $('#hide-comments-total-' + id).show();
 802         } else {
 803                 $('#collapsed-comments-' + id).slideDown();
 804                 $('#hide-comments-' + id).show();
 805                 $('#hide-comments-total-' + id).hide();
 806         }
 807 }
 808
 809 function preview_post() {
 810         $("#jot-preview-content").show();
 811         $.post(
 812                 "item",
 813                 $("#profile-jot-form").serialize() + '&preview=1',
 814                 function(data) {
 815                         if (data.preview) {
 816                                 $("#jot-preview-content").html(data.preview);
 817                                 $("#jot-preview-content" + " a").click(function() {return false;});
 818                                 document.dispatchEvent(new Event('postprocess_liveupdate'));
 819                         }
 820                 },
 821                 "json"
 822         );
 823         return true;
 824 }
 825
 826 function unpause() {
 827         // unpause auto reloads if they are currently stopped
 828         totStopped = false;
 829         stopped = false;
 830         $('#pause').html('');
 831 }
 832
 833 // load more network content (used for infinite scroll)
 834 function loadScrollContent() {
 835         if (lockLoadContent) {
 836                 return;
 837         }
 838         lockLoadContent = true;
 839
 840         $("#scroll-loader").fadeIn('normal');
 841
 842         // the page number to load is one higher than the actual
 843         // page number
 844         infinite_scroll.pageno+=1;
 845
 846         match = $("span.received").last();
 847         if (match.length > 0) {
 848                 received = match[0].innerHTML;
 849         } else {
 850                 received = "0000-00-00 00:00:00";
 851         }
 852
 853         match = $("span.created").last();
 854         if (match.length > 0) {
 855                 created = match[0].innerHTML;
 856         } else {
 857                 created = "0000-00-00 00:00:00";
 858         }
 859
 860         match = $("span.commented").last();
 861         if (match.length > 0) {
 862                 commented = match[0].innerHTML;
 863         } else {
 864                 commented = "0000-00-00 00:00:00";
 865         }
 866
 867         match = $("span.id").last();
 868         if (match.length > 0) {
 869                 id = match[0].innerHTML;
 870         } else {
 871                 id = "0";
 872         }
 873
 874         // get the raw content from the next page and insert this content
 875         // right before "#conversation-end"
 876         $.get(infinite_scroll.reload_uri + '&mode=raw&last_received=' + received + '&last_commented=' + commented + '&last_created=' + created + '&last_id=' + id + '&page=' + infinite_scroll.pageno, function(data) {
 877                 $("#scroll-loader").hide();
 878                 if ($(data).length > 0) {
 879                         $(data).insertBefore('#conversation-end');
 880                         lockLoadContent = false;
 881                 } else {
 882                         $("#scroll-end").fadeIn('normal');
 883                 }
 884
 885                 document.dispatchEvent(new Event('postprocess_liveupdate'));
 886         });
 887 }
 888
 889 function bin2hex(s) {
 890         // Converts the binary representation of data to hex
 891         //
 892         // version: 812.316
 893         // discuss at: http://phpjs.org/functions/bin2hex
 894         // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
 895         // +   bugfixed by: Onno Marsman
 896         // +   bugfixed by: Linuxworld
 897         // *     example 1: bin2hex('Kev');
 898         // *     returns 1: '4b6576'
 899         // *     example 2: bin2hex(String.fromCharCode(0x00));
 900         // *     returns 2: '00'
 901         var v,i, f = 0, a = [];
 902         s += '';
 903         f = s.length;
 904
 905         for (i = 0; i<f; i++) {
 906                 a[i] = s.charCodeAt(i).toString(16).replace(/^([\da-f])$/,"0$1");
 907         }
 908
 909         return a.join('');
 910 }
 911
 912 function groupChangeMember(gid, cid, sec_token) {
 913         $('body .fakelink').css('cursor', 'wait');
 914         $.get('group/' + gid + '/' + cid + "?t=" + sec_token, function(data) {
 915                         $('#group-update-wrapper').html(data);
 916                         $('body .fakelink').css('cursor', 'auto');
 917         });
 918 }
 919
 920 function profChangeMember(gid,cid) {
 921         $('body .fakelink').css('cursor', 'wait');
 922         $.get('profperm/' + gid + '/' + cid, function(data) {
 923                         $('#prof-update-wrapper').html(data);
 924                         $('body .fakelink').css('cursor', 'auto');
 925         });
 926 }
 927
 928 function contactgroupChangeMember(checkbox, gid, cid) {
 929         let url;
 930         // checkbox.checked is the checkbox state after the click
 931         if (checkbox.checked) {
 932                 url = 'group/' + gid + '/add/' + cid;
 933         } else {
 934                 url = 'group/' + gid + '/remove/' + cid;
 935         }
 936         $('body').css('cursor', 'wait');
 937         $.post(url)
 938         .error(function () {
 939                 // Restores previous state in case of error
 940                 checkbox.checked = !checkbox.checked;
 941         })
 942         .always(function() {
 943                 $('body').css('cursor', 'auto');
 944         });
 945
 946         return true;
 947 }
 948
 949 function checkboxhighlight(box) {
 950         if ($(box).is(':checked')) {
 951                 $(box).addClass('checkeditem');
 952         } else {
 953                 $(box).removeClass('checkeditem');
 954         }
 955 }
 956
 957 function notificationMarkAll() {
 958         $.get('notification/mark/all', function(data) {
 959                 if (timer) {
 960                         clearTimeout(timer);
 961                 }
 962                 timer = setTimeout(NavUpdate,1000);
 963                 force_update = true;
 964         });
 965 }
 966
 967 /**
 968  * sprintf in javascript
 969  *      "{0} and {1}".format('zero','uno');
 970  **/
 971 String.prototype.format = function() {
 972         var formatted = this;
 973         for (var i = 0; i < arguments.length; i++) {
 974                 var regexp = new RegExp('\\{'+i+'\\}', 'gi');
 975                 formatted = formatted.replace(regexp, arguments[i]);
 976         }
 977         return formatted;
 978 };
 979 // Array Remove
 980 Array.prototype.remove = function(item) {
 981         to=undefined; from=this.indexOf(item);
 982         var rest = this.slice((to || from) + 1 || this.length);
 983         this.length = from < 0 ? this.length + from : from;
 984         return this.push.apply(this, rest);
 985 };
 986
 987 function previewTheme(elm) {
 988         theme = $(elm).val();
 989         $.getJSON('pretheme?theme=' + theme,function(data) {
 990                         $('#theme-preview').html('<div id="theme-desc">' + data.desc + '</div><div id="theme-version">' + data.version + '</div><div id="theme-credits">' + data.credits + '</div><a href="' + data.img + '"><img src="' + data.img + '" width="320" height="240" alt="' + theme + '" /></a>');
 991         });
 992
 993 }
 994
 995 // notification permission settings in localstorage
 996 // set by settings page
 997 function getNotificationPermission() {
 998         if (window["Notification"] === undefined) {
 999                 return null;
1000         }
1001
1002         if (Notification.permission === 'granted') {
1003                 var val = localStorage.getItem('notification-permissions');
1004                 if (val === null) {
1005                         return 'denied';
1006                 }
1007                 return val;
1008         } else {
1009                 return Notification.permission;
1010         }
1011 }
1012
1013 /**
1014  * Show a dialog loaded from an url
1015  * By defaults this load the url in an iframe in colorbox
1016  * Themes can overwrite `show()` function to personalize it
1017  */
1018 var Dialog = {
1019         /**
1020          * Show the dialog
1021          *
1022          * @param string url
1023          * @return object colorbox
1024          */
1025         show : function (url) {
1026                 var size = Dialog._get_size();
1027                 return $.colorbox({href: url, iframe:true,innerWidth: size.width+'px',innerHeight: size.height+'px'})
1028         },
1029
1030         /**
1031          * Show the Image browser dialog
1032          *
1033          * @param string name
1034          * @param string id (optional)
1035          * @return object
1036          *
1037          * The name will be used to build the event name
1038          * fired by image browser dialog when the user select
1039          * an image. The optional id will be passed as argument
1040          * to the event handler
1041          */
1042         doImageBrowser : function (name, id) {
1043                 var url = Dialog._get_url("image",name,id);
1044                 return Dialog.show(url);
1045         },
1046
1047         /**
1048          * Show the File browser dialog
1049          *
1050          * @param string name
1051          * @param string id (optional)
1052          * @return object
1053          *
1054          * The name will be used to build the event name
1055          * fired by file browser dialog when the user select
1056          * a file. The optional id will be passed as argument
1057          * to the event handler
1058          */
1059         doFileBrowser : function (name, id) {
1060                 var url = Dialog._get_url("file",name,id);
1061                 return Dialog.show(url);
1062         },
1063
1064         _get_url : function(type, name, id) {
1065                 var hash = name;
1066                 if (id !== undefined) {
1067                         hash = hash + "-" + id;
1068                 }
1069                 return baseurl + "/fbrowser/"+type+"/?mode=minimal#"+hash;
1070         },
1071
1072         _get_size: function() {
1073                 return {
1074                         width: window.innerWidth-50,
1075                         height: window.innerHeight-100
1076                 };
1077         }
1078 }
1079 // @license-end