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 var originalTitle = document.title;
 138
 139 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;
 140
 141 $(function() {
 142         $.ajaxSetup({cache: false});
 143
 144         /* setup comment textarea buttons */
 145         /* comment textarea buttons needs some "data-*" attributes to work:
 146          *              data-role="insert-formatting" : to mark the element as a formatting button
 147          *              data-bbcode="<string>" : name of the bbcode element to insert. insertFormatting() will insert it as "[name][/name]"
 148          *              data-id="<string>" : id of the comment, used to find other comment-related element, like the textarea
 149          * */
 150         $('body').on('click','[data-role="insert-formatting"]', function(e) {
 151                 e.preventDefault();
 152                 var o = $(this);
 153                 var bbcode = o.data('bbcode');
 154                 var id = o.data('id');
 155                 if (bbcode == "img") {
 156                         Dialog.doImageBrowser("comment", id);
 157                         return;
 158                 }
 159
 160                 if (bbcode == "imgprv") {
 161                         bbcode = "img";
 162                 }
 163
 164                 insertFormatting(bbcode, id);
 165         });
 166
 167         /* event from comment textarea button popups */
 168         /* insert returned bbcode at cursor position or replace selected text */
 169         $("body").on("fbrowser.image.comment", function(e, filename, bbcode, id) {
 170                 $.colorbox.close();
 171                 var textarea = document.getElementById("comment-edit-text-" +id);
 172                 var start = textarea.selectionStart;
 173                 var end = textarea.selectionEnd;
 174                 textarea.value = textarea.value.substring(0, start) + bbcode + textarea.value.substring(end, textarea.value.length);
 175                 $(textarea).trigger('change');
 176         });
 177
 178         $(".comment-edit-wrapper textarea, .wall-item-comment-wrapper textarea")
 179                 .editor_autocomplete(baseurl + '/search/acl')
 180                 .bbco_autocomplete('bbcode');
 181
 182         // Ensures asynchronously-added comment forms recognize mentions, tags and BBCodes as well
 183         document.addEventListener("postprocess_liveupdate", function() {
 184                 $(".comment-edit-wrapper textarea, .wall-item-comment-wrapper textarea")
 185                         .editor_autocomplete(baseurl + '/search/acl')
 186                         .bbco_autocomplete('bbcode');
 187         });
 188
 189         /* popup menus */
 190         function close_last_popup_menu() {
 191                 if (last_popup_menu) {
 192                         last_popup_menu.hide();
 193                         last_popup_menu.off('click', function(e) {e.stopPropagation()});
 194                         last_popup_button.removeClass("selected");
 195                         last_popup_menu = null;
 196                         last_popup_button = null;
 197                 }
 198         }
 199         $('a[rel^="#"]').click(function(e) {
 200                 e.preventDefault();
 201                 var parent = $(this).parent();
 202                 var isSelected = (last_popup_button && parent.attr('id') == last_popup_button.attr('id'));
 203                 close_last_popup_menu();
 204                 if (isSelected) {
 205                         return false;
 206                 }
 207                 menu = $($(this).attr('rel'));
 208                 e.preventDefault();
 209                 e.stopPropagation();
 210                 if (menu.attr('popup') == "false") {
 211                         return false;
 212                 }
 213                 parent.toggleClass("selected");
 214                 menu.toggle();
 215                 if (menu.css("display") == "none") {
 216                         last_popup_menu = null;
 217                         last_popup_button = null;
 218                 } else {
 219                         last_popup_menu = menu;
 220                         last_popup_menu.on('click', function(e) {e.stopPropagation()});
 221                         last_popup_button = parent;
 222                         $('#nav-notifications-menu').perfectScrollbar('update');
 223                 }
 224                 return false;
 225         });
 226         $('html').click(function() {
 227                 close_last_popup_menu();
 228         });
 229
 230         // fancyboxes
 231         $("a.popupbox").colorbox({
 232                 'inline' : true,
 233                 'transition' : 'elastic',
 234                 'maxWidth' : '100%'
 235         });
 236         $("a.ajax-popupbox").colorbox({
 237                 'transition' : 'elastic',
 238                 'maxWidth' : '100%'
 239         });
 240
 241         /* notifications template */
 242         var notifications_tpl= unescape($("#nav-notifications-template[rel=template]").html());
 243         var notifications_all = unescape($('<div>').append($("#nav-notifications-see-all").clone()).html()); //outerHtml hack
 244         var notifications_mark = unescape($('<div>').append($("#nav-notifications-mark-all").clone()).html()); //outerHtml hack
 245         var notifications_empty = unescape($("#nav-notifications-menu").html());
 246
 247         /* enable perfect-scrollbars for different elements */
 248         $('#nav-notifications-menu, aside').perfectScrollbar();
 249
 250         /* nav update event  */
 251         $('nav').bind('nav-update', function(e, data) {
 252                 var invalid = data.invalid || 0;
 253                 if (invalid == 1) {
 254                         window.location.href=window.location.href
 255                 }
 256
 257                 let tabNotifications = data.mail + data.notification;
 258                 if (tabNotifications > 0) {
 259                         document.title = '(' + tabNotifications + ') ' + originalTitle;
 260                 } else {
 261                         document.title = originalTitle;
 262                 }
 263
 264                 ['net', 'home', 'intro', 'mail', 'events', 'birthdays', 'notification'].forEach(function(type) {
 265                         var number = data[type];
 266                         if (number == 0) {
 267                                 number = '';
 268                                 $('#' + type + '-update').removeClass('show');
 269                         } else {
 270                                 $('#' + type + '-update').addClass('show');
 271                         }
 272                         $('#' + type + '-update').text(number);
 273                 });
 274
 275                 var intro = data['intro'];
 276                 if (intro == 0) {
 277                         intro = ''; $('#intro-update-li').removeClass('show')
 278                 } else {
 279                         $('#intro-update-li').addClass('show')
 280                 }
 281
 282                 $('#intro-update-li').html(intro);
 283
 284                 var mail = data['mail'];
 285                 if (mail == 0) {
 286                         mail = ''; $('#mail-update-li').removeClass('show')
 287                 } else {
 288                         $('#mail-update-li').addClass('show')
 289                 }
 290
 291                 $('#mail-update-li').html(mail);
 292
 293                 $(".sidebar-group-li .notify").removeClass("show");
 294                 $(data.groups).each(function(key, group) {
 295                         var gid = group.id;
 296                         var gcount = group.count;
 297                         $(".group-"+gid+" .notify").addClass("show").text(gcount);
 298                 });
 299
 300                 $(".forum-widget-entry .notify").removeClass("show");
 301                 $(data.forums).each(function(key, forum) {
 302                         var fid = forum.id;
 303                         var fcount = forum.count;
 304                         $(".forum-"+fid+" .notify").addClass("show").text(fcount);
 305                 });
 306
 307                 if (data.notifications.length == 0) {
 308                         $("#nav-notifications-menu").html(notifications_empty);
 309                 } else {
 310                         var nnm = $("#nav-notifications-menu");
 311                         nnm.html(notifications_all + notifications_mark);
 312
 313                         var lastItemStorageKey = "notification-lastitem:" + localUser;
 314                         var notification_lastitem = parseInt(localStorage.getItem(lastItemStorageKey));
 315                         var notification_id = 0;
 316
 317                         // Insert notifs into the notifications-menu
 318                         $(data.notifications).each(function(key, notification) {
 319                                 var text = notification.message.format('<span class="contactname">' + notification.name + '</span>');
 320                                 var contact = ('<a href="' + notification.url + '"><span class="contactname">' + notification.name + '</span></a>');
 321                                 var seenclass = (notification.seen == 1) ? "notification-seen" : "notification-unseen";
 322                                 var html = notifications_tpl.format(
 323                                         notification.href,                     // {0}  // link to the source
 324                                         notification.photo,                    // {1}  // photo of the contact
 325                                         text,                           // {2}  // preformatted text (autor + text)
 326                                         notification.date,                     // {3}  // date of notification (time ago)
 327                                         seenclass,                      // {4}  // visited status of the notification
 328                                         new Date(notification.timestamp*1000), // {5}  // date of notification
 329                                         notification.url,                      // {6}  // profile url of the contact
 330                                         notification.message.format(contact),  // {7}  // preformatted html (text including author profile url)
 331                                         ''                              // {8}  // Deprecated
 332                                 );
 333                                 nnm.append(html);
 334                         });
 335
 336                         // Desktop Notifications
 337                         $(data.notifications.reverse()).each(function(key, e) {
 338                                 notification_id = parseInt(e.timestamp);
 339                                 if (notification_lastitem !== null && notification_id > notification_lastitem && Number(e.seen) === 0) {
 340                                         if (getNotificationPermission() === "granted") {
 341                                                 var notification = new Notification(document.title, {
 342                                                                                   body: decodeHtml(e.message.replace('&rarr; ', '').format(e.name)),
 343                                                                                   icon: e.photo,
 344                                                                                 });
 345                                                 notification['url'] = e.href;
 346                                                 notification.addEventListener("click", function(ev) {
 347                                                         window.location = ev.target.url;
 348                                                 });
 349                                         }
 350                                 }
 351
 352                         });
 353                         notification_lastitem = notification_id;
 354                         localStorage.setItem(lastItemStorageKey, notification_lastitem)
 355
 356                         $("img[data-src]", nnm).each(function(i, el) {
 357                                 // Add src attribute for images with a data-src attribute
 358                                 // However, don't bother if the data-src attribute is empty, because
 359                                 // an empty "src" tag for an image will cause some browsers
 360                                 // to prefetch the root page of the Friendica hub, which will
 361                                 // unnecessarily load an entire profile/ or network/ page
 362                                 if ($(el).data("src") != '') {
 363                                         $(el).attr('src', $(el).data("src"));
 364                                 }
 365                         });
 366                 }
 367
 368                 var notif = data['notification'];
 369                 if (notif > 0) {
 370                         $("#nav-notifications-linkmenu").addClass("on");
 371                 } else {
 372                         $("#nav-notifications-linkmenu").removeClass("on");
 373                 }
 374
 375                 $(data.sysmsgs.notice).each(function(key, message) {
 376                         $.jGrowl(message, {sticky: true, theme: 'notice'});
 377                 });
 378                 $(data.sysmsgs.info).each(function(key, message) {
 379                         $.jGrowl(message, {sticky: false, theme: 'info', life: 5000});
 380                 });
 381
 382                 // Update the js scrollbars
 383                 $('#nav-notifications-menu').perfectScrollbar('update');
 384         });
 385
 386         // Asynchronous calls are deferred until the very end of the page load to ease on slower connections
 387         window.addEventListener("load", function(){
 388                 NavUpdate();
 389                 if (typeof acl !== 'undefined') {
 390                         acl.get(0, 100);
 391                 }
 392         });
 393
 394         // Allow folks to stop the ajax page updates with the pause/break key
 395         $(document).keydown(function(event) {
 396                 if (event.keyCode == '8') {
 397                         var target = event.target || event.srcElement;
 398                         if (!/input|textarea/i.test(target.nodeName)) {
 399                                 return false;
 400                         }
 401                 }
 402
 403                 if (event.keyCode == '19' || (event.ctrlKey && event.which == '32')) {
 404                         event.preventDefault();
 405                         if (stopped == false) {
 406                                 stopped = true;
 407                                 if (event.ctrlKey) {
 408                                         totStopped = true;
 409                                 }
 410                                 $('#pause').html('<img src="images/pause.gif" alt="pause" style="border: 1px solid black;" />');
 411                         } else {
 412                                 unpause();
 413                         }
 414                 } else if (!totStopped) {
 415                         unpause();
 416                 }
 417         });
 418
 419         // Scroll to the next/previous thread when pressing J and K
 420         $(document).keydown(function (event) {
 421                 var threads = $('.thread_level_1');
 422                 if ((event.keyCode === 74 || event.keyCode === 75) && !$(event.target).is('textarea, input')) {
 423                         var scrollTop = $(window).scrollTop();
 424                         if (event.keyCode === 75) {
 425                                 threads = $(threads.get().reverse());
 426                         }
 427                         threads.each(function(key, item) {
 428                                 var comparison;
 429                                 var top = $(item).offset().top - 100;
 430                                 if (event.keyCode === 74) {
 431                                         comparison = top > scrollTop + 1;
 432                                 } else if (event.keyCode === 75) {
 433                                         comparison = top < scrollTop - 1;
 434                                 }
 435                                 if (comparison) {
 436                                         $('html, body').animate({scrollTop: top}, 200);
 437                                         return false;
 438                                 }
 439                         });
 440                 }
 441         });
 442
 443         // Set an event listener for infinite scroll
 444         if (typeof infinite_scroll !== 'undefined') {
 445                 $(window).scroll(function(e) {
 446                         if ($(document).height() != $(window).height()) {
 447                                 // First method that is expected to work - but has problems with Chrome
 448                                 if ($(window).scrollTop() > ($(document).height() - $(window).height() * 1.5))
 449                                         loadScrollContent();
 450                         } else {
 451                                 // This method works with Chrome - but seems to be much slower in Firefox
 452                                 if ($(window).scrollTop() > (($("section").height() + $("header").height() + $("footer").height()) - $(window).height() * 1.5)) {
 453                                         loadScrollContent();
 454                                 }
 455                         }
 456                 });
 457         }
 458 });
 459
 460 /**
 461  * Inserts a BBCode tag in the comment textarea identified by id
 462  *
 463  * @param {string} BBCode
 464  * @param {int} id
 465  * @returns {boolean}
 466  */
 467 function insertFormatting(BBCode, id) {
 468         let textarea = document.getElementById('comment-edit-text-' + id);
 469
 470         if (textarea.value === '') {
 471                 $(textarea)
 472                         .addClass("comment-edit-text-full")
 473                         .removeClass("comment-edit-text-empty");
 474                 closeMenu("comment-fake-form-" + id);
 475                 openMenu("item-comments-" + id);
 476         }
 477
 478         insertBBCodeInTextarea(BBCode, textarea);
 479
 480         return true;
 481 }
 482
 483 /**
 484  * Inserts a BBCode tag in the provided textarea element, wrapping the currently selected text.
 485  * For URL BBCode, it discriminates between link text and non-link text to determine where to insert the selected text.
 486  *
 487  * @param {string} BBCode
 488  * @param {HTMLTextAreaElement} textarea
 489  */
 490 function insertBBCodeInTextarea(BBCode, textarea) {
 491         let selectionStart = textarea.selectionStart;
 492         let selectionEnd = textarea.selectionEnd;
 493         let selectedText = textarea.value.substring(selectionStart, selectionEnd);
 494         let openingTag = '[' + BBCode + ']';
 495         let closingTag = '[/' + BBCode + ']';
 496         let cursorPosition = selectionStart + openingTag.length + selectedText.length;
 497
 498         if (BBCode === 'url') {
 499                 if (urlRegex.test(selectedText)) {
 500                         openingTag = '[' + BBCode + '=' + selectedText + ']';
 501                         selectedText = '';
 502                         cursorPosition = selectionStart + openingTag.length;
 503                 } else {
 504                         openingTag = '[' + BBCode + '=]';
 505                         cursorPosition = selectionStart + openingTag.length - 1;
 506                 }
 507         }
 508
 509         textarea.value = textarea.value.substring(0, selectionStart) + openingTag + selectedText + closingTag + textarea.value.substring(selectionEnd, textarea.value.length);
 510         textarea.setSelectionRange(cursorPosition, cursorPosition);
 511         textarea.dispatchEvent(new Event('change'));
 512         textarea.focus();
 513 }
 514
 515 function NavUpdate() {
 516         if (!stopped) {
 517                 var pingCmd = 'ping?format=json' + ((localUser != 0) ? '&uid=' + localUser : '');
 518                 $.get(pingCmd, function(data) {
 519                         if (data.result) {
 520                                 // send nav-update event
 521                                 $('nav').trigger('nav-update', data.result);
 522
 523                                 // start live update
 524                                 ['network', 'profile', 'community', 'notes', 'display', 'contact'].forEach(function (src) {
 525                                         if ($('#live-' + src).length) {
 526                                                 liveUpdate(src);
 527                                         }
 528                                 });
 529                                 if ($('#live-photos').length) {
 530                                         if (liking) {
 531                                                 liking = 0;
 532                                                 window.location.href = window.location.href;
 533                                         }
 534                                 }
 535                         }
 536                 });
 537         }
 538         timer = setTimeout(NavUpdate, updateInterval);
 539 }
 540
 541 function updateConvItems(data) {
 542         // add a new thread
 543         $('.toplevel_item',data).each(function() {
 544                 var ident = $(this).attr('id');
 545
 546                 // Add new top-level item.
 547                 if ($('#' + ident).length === 0
 548                         && (!getUrlParameter('page')
 549                                 && !getUrlParameter('max_id')
 550                                 && !getUrlParameter('min_id')
 551                                 || getUrlParameter('page') === '1'
 552                         )
 553                 ) {
 554                         $('#' + prev).after($(this));
 555
 556                 // Replace already existing thread.
 557                 } else {
 558                         // Find out if the hidden comments are open, so we can keep it that way
 559                         // if a new comment has been posted
 560                         var id = $('.hide-comments-total', this).attr('id');
 561                         if (typeof id != 'undefined') {
 562                                 id = id.split('-')[3];
 563                                 var commentsOpen = $("#collapsed-comments-" + id).is(":visible");
 564                         }
 565
 566                         $('#' + ident).replaceWith($(this));
 567
 568                         if (typeof id != 'undefined') {
 569                                 if (commentsOpen) {
 570                                         showHideComments(id);
 571                                 }
 572                         }
 573                 }
 574                 prev = ident;
 575         });
 576
 577         $('.like-rotator').hide();
 578         if (commentBusy) {
 579                 commentBusy = false;
 580                 $('body').css('cursor', 'auto');
 581         }
 582 }
 583
 584 function liveUpdate(src) {
 585         if ((src == null) || stopped || !profile_uid) {
 586                 $('.like-rotator').hide(); return;
 587         }
 588
 589         if (($('.comment-edit-text-full').length) || in_progress) {
 590                 if (livetime) {
 591                         clearTimeout(livetime);
 592                 }
 593                 livetime = setTimeout(function() {liveUpdate(src)}, 5000);
 594                 return;
 595         }
 596
 597         if (livetime != null) {
 598                 livetime = null;
 599         }
 600         prev = 'live-' + src;
 601
 602         in_progress = true;
 603
 604         let force = force_update || $(document).scrollTop() === 0;
 605
 606         var orgHeight = $("section").height();
 607
 608         var udargs = ((netargs.length) ? '/' + netargs : '');
 609
 610         var update_url = 'update_' + src + udargs + '&p=' + profile_uid + '&force=' + (force ? 1 : 0) + '&item=' + update_item;
 611
 612         if (force_update) {
 613                 force_update = false;
 614         }
 615
 616         if (getUrlParameter('page')) {
 617                 update_url += '&page=' + getUrlParameter('page');
 618         }
 619         if (getUrlParameter('min_id')) {
 620                 update_url += '&min_id=' + getUrlParameter('min_id');
 621         }
 622         if (getUrlParameter('max_id')) {
 623                 update_url += '&max_id=' + getUrlParameter('max_id');
 624         }
 625
 626         $.get(update_url, function(data) {
 627                 in_progress = false;
 628                 update_item = 0;
 629
 630                 if ($('.wall-item-body', data).length == 0) {
 631                         return;
 632                 }
 633
 634                 $('.wall-item-body', data).imagesLoaded(function() {
 635                         updateConvItems(data);
 636
 637                         document.dispatchEvent(new Event('postprocess_liveupdate'));
 638
 639                         // Update the scroll position.
 640                         $(window).scrollTop($(window).scrollTop() + $("section").height() - orgHeight);
 641                 });
 642         });
 643 }
 644
 645 function imgbright(node) {
 646         $(node).removeClass("drophide").addClass("drop");
 647 }
 648
 649 function imgdull(node) {
 650         $(node).removeClass("drop").addClass("drophide");
 651 }
 652
 653 // Since our ajax calls are asynchronous, we will give a few
 654 // seconds for the first ajax call (setting like/dislike), then
 655 // run the updater to pick up any changes and display on the page.
 656 // The updater will turn any rotators off when it's done.
 657 // This function will have returned long before any of these
 658 // events have completed and therefore there won't be any
 659 // visible feedback that anything changed without all this
 660 // trickery. This still could cause confusion if the "like" ajax call
 661 // is delayed and NavUpdate runs before it completes.
 662
 663 /**
 664  * @param {int}     ident The id of the relevant item
 665  * @param {string}  verb  The verb of the action
 666  * @param {boolean} un    Whether to perform an activity removal instead of creation
 667  */
 668 function doActivityItem(ident, verb, un) {
 669         unpause();
 670         $('#like-rotator-' + ident.toString()).show();
 671         verb = un ? 'un' + verb : verb;
 672         $.post('item/' + ident.toString() + '/activity/' + verb, NavUpdate);
 673         liking = 1;
 674         force_update = true;
 675         update_item = ident.toString();
 676 }
 677
 678 function doFollowThread(ident) {
 679         unpause();
 680         $('#like-rotator-' + ident.toString()).show();
 681         $.post('item/' + ident.toString() + '/follow', NavUpdate);
 682         liking = 1;
 683         force_update = true;
 684         update_item = ident.toString();
 685 }
 686
 687 function doStar(ident) {
 688         ident = ident.toString();
 689         $('#like-rotator-' + ident).show();
 690         $.post('item/' + ident + '/star')
 691         .then(function(data) {
 692                 if (data.state === 1) {
 693                         $('#starred-' + ident)
 694                                 .addClass('starred')
 695                                 .removeClass('unstarred');
 696                         $('#star-' + ident).addClass('hidden');
 697                         $('#unstar-' + ident).removeClass('hidden');
 698                 } else {
 699                         $('#starred-' + ident)
 700                                 .addClass('unstarred')
 701                                 .removeClass('starred');
 702                         $('#star-' + ident).removeClass('hidden');
 703                         $('#unstar-' + ident).addClass('hidden');
 704                 }
 705         })
 706         .always(function () {
 707                 $('#like-rotator-' + ident).hide();
 708         });
 709 }
 710
 711 function doPin(ident) {
 712         ident = ident.toString();
 713         $('#like-rotator-' + ident).show();
 714         $.post('item/' + ident + '/pin')
 715         .then(function(data) {
 716                 if (data.state === 1) {
 717                         $('#pinned-' + ident)
 718                                 .addClass('pinned')
 719                                 .removeClass('unpinned');
 720                         $('#pin-' + ident).addClass('hidden');
 721                         $('#unpin-' + ident).removeClass('hidden');
 722                 } else {
 723                         $('#pinned-' + ident)
 724                                 .addClass('unpinned')
 725                                 .removeClass('pinned');
 726                         $('#pin-' + ident).removeClass('hidden');
 727                         $('#unpin-' + ident).addClass('hidden');
 728                 }
 729         })
 730         .always(function () {
 731                 $('#like-rotator-' + ident).hide();
 732         });
 733 }
 734
 735 function doIgnoreThread(ident) {
 736         ident = ident.toString();
 737         $('#like-rotator-' + ident).show();
 738         $.post('item/' + ident + '/ignore', function(data) {
 739                 if (data.state === 1) {
 740                         $('#ignored-' + ident)
 741                                 .addClass('ignored')
 742                                 .removeClass('unignored');
 743                         $('#ignore-' + ident).addClass('hidden');
 744                         $('#unignore-' + ident).removeClass('hidden');
 745                 } else {
 746                         $('#ignored-' + ident)
 747                                 .addClass('unignored')
 748                                 .removeClass('ignored');
 749                         $('#ignore-' + ident).removeClass('hidden');
 750                         $('#unignore-' + ident).addClass('hidden');
 751                 }
 752                 $('#like-rotator-' + ident).hide();
 753         });
 754 }
 755
 756 function getPosition(e) {
 757         var cursor = {x:0, y:0};
 758
 759         if (e.pageX || e.pageY) {
 760                 cursor.x = e.pageX;
 761                 cursor.y = e.pageY;
 762         } else {
 763                 if (e.clientX || e.clientY) {
 764                         cursor.x = e.clientX + (document.documentElement.scrollLeft || document.body.scrollLeft) - document.documentElement.clientLeft;
 765                         cursor.y = e.clientY + (document.documentElement.scrollTop  || document.body.scrollTop)  - document.documentElement.clientTop;
 766                 } else if (e.x || e.y) {
 767                         cursor.x = e.x;
 768                         cursor.y = e.y;
 769                 }
 770         }
 771         return cursor;
 772 }
 773
 774 var lockvisible = false;
 775
 776 function lockview(event, type, id) {
 777         event = event || window.event;
 778         cursor = getPosition(event);
 779         if (lockvisible) {
 780                 lockvisible = false;
 781                 $('#panel').hide();
 782         } else {
 783                 lockvisible = true;
 784                 $.get('permission/tooltip/' + type + '/' + id, function(data) {
 785                         $('#panel')
 786                                 .html(data)
 787                                 .css({'left': cursor.x + 5 , 'top': cursor.y + 5})
 788                                 .show();
 789                 });
 790         }
 791 }
 792
 793 function post_comment(id) {
 794         unpause();
 795         commentBusy = true;
 796         $('body').css('cursor', 'wait');
 797         $.post(
 798                 "item",
 799                 $("#comment-edit-form-" + id).serialize(),
 800                 function(data) {
 801                         if (data.success) {
 802                                 $("#comment-edit-wrapper-" + id).hide();
 803                                 $("#comment-edit-text-" + id).val('');
 804                                 var tarea = document.getElementById("comment-edit-text-" + id);
 805                                 if (tarea) {
 806                                         commentClose(tarea,id);
 807                                 }
 808                                 if (timer) {
 809                                         clearTimeout(timer);
 810                                 }
 811                                 timer = setTimeout(NavUpdate,10);
 812                                 force_update = true;
 813                                 update_item = id;
 814                         }
 815                         if (data.reload) {
 816                                 window.location.href=data.reload;
 817                         }
 818                 },
 819                 "json"
 820         );
 821         return false;
 822 }
 823
 824 function preview_comment(id) {
 825         $("#comment-edit-preview-" + id).show();
 826         $.post(
 827                 "item",
 828                 $("#comment-edit-form-" + id).serialize() + '&preview=1',
 829                 function(data) {
 830                         if (data.preview) {
 831                                 $("#comment-edit-preview-" + id).html(data.preview);
 832                                 $("#comment-edit-preview-" + id + " a").click(function() {return false;});
 833                         }
 834                 },
 835                 "json"
 836         );
 837         return true;
 838 }
 839
 840 function showHideComments(id) {
 841         if ($('#collapsed-comments-' + id).is(':visible')) {
 842                 $('#collapsed-comments-' + id).slideUp();
 843                 $('#hide-comments-' + id).hide();
 844                 $('#hide-comments-total-' + id).show();
 845         } else {
 846                 $('#collapsed-comments-' + id).slideDown();
 847                 $('#hide-comments-' + id).show();
 848                 $('#hide-comments-total-' + id).hide();
 849         }
 850 }
 851
 852 function preview_post() {
 853         $("#jot-preview-content").show();
 854         $.post(
 855                 "item",
 856                 $("#profile-jot-form").serialize() + '&preview=1',
 857                 function(data) {
 858                         if (data.preview) {
 859                                 $("#jot-preview-content").html(data.preview);
 860                                 $("#jot-preview-content" + " a").click(function() {return false;});
 861                                 document.dispatchEvent(new Event('postprocess_liveupdate'));
 862                         }
 863                 },
 864                 "json"
 865         );
 866         return true;
 867 }
 868
 869 function unpause() {
 870         // unpause auto reloads if they are currently stopped
 871         totStopped = false;
 872         stopped = false;
 873         $('#pause').html('');
 874 }
 875
 876 // load more network content (used for infinite scroll)
 877 function loadScrollContent() {
 878         if (lockLoadContent) {
 879                 return;
 880         }
 881         lockLoadContent = true;
 882
 883         $("#scroll-loader").fadeIn('normal');
 884
 885         match = $("span.received").last();
 886         if (match.length > 0) {
 887                 received = match[0].innerHTML;
 888         } else {
 889                 received = "0000-00-00 00:00:00";
 890         }
 891
 892         match = $("span.created").last();
 893         if (match.length > 0) {
 894                 created = match[0].innerHTML;
 895         } else {
 896                 created = "0000-00-00 00:00:00";
 897         }
 898
 899         match = $("span.commented").last();
 900         if (match.length > 0) {
 901                 commented = match[0].innerHTML;
 902         } else {
 903                 commented = "0000-00-00 00:00:00";
 904         }
 905
 906         match = $("span.uriid").last();
 907         if (match.length > 0) {
 908                 uriid = match[0].innerHTML;
 909         } else {
 910                 uriid = "0";
 911         }
 912
 913         // get the raw content from the next page and insert this content
 914         // right before "#conversation-end"
 915         $.get({
 916                 url: infinite_scroll.reload_uri,
 917                 data: {
 918                         'mode'          : 'raw',
 919                         'last_received' : received,
 920                         'last_commented': commented,
 921                         'last_created'  : created,
 922                         'last_uriid'    : uriid
 923                 }
 924         })
 925         .done(function(data) {
 926                 $("#scroll-loader").hide();
 927                 if ($(data).length > 0) {
 928                         $(data).insertBefore('#conversation-end');
 929                 } else {
 930                         $("#scroll-end").fadeIn('normal');
 931                 }
 932
 933                 document.dispatchEvent(new Event('postprocess_liveupdate'));
 934         })
 935         .always(function () {
 936                 $("#scroll-loader").hide();
 937                 lockLoadContent = false;
 938         });
 939 }
 940
 941 function bin2hex(s) {
 942         // Converts the binary representation of data to hex
 943         //
 944         // version: 812.316
 945         // discuss at: http://phpjs.org/functions/bin2hex
 946         // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
 947         // +   bugfixed by: Onno Marsman
 948         // +   bugfixed by: Linuxworld
 949         // *     example 1: bin2hex('Kev');
 950         // *     returns 1: '4b6576'
 951         // *     example 2: bin2hex(String.fromCharCode(0x00));
 952         // *     returns 2: '00'
 953         var v,i, f = 0, a = [];
 954         s += '';
 955         f = s.length;
 956
 957         for (i = 0; i<f; i++) {
 958                 a[i] = s.charCodeAt(i).toString(16).replace(/^([\da-f])$/,"0$1");
 959         }
 960
 961         return a.join('');
 962 }
 963
 964 function groupChangeMember(gid, cid, sec_token) {
 965         $('body .fakelink').css('cursor', 'wait');
 966         $.get('group/' + gid + '/' + cid + "?t=" + sec_token, function(data) {
 967                         $('#group-update-wrapper').html(data);
 968                         $('body .fakelink').css('cursor', 'auto');
 969         });
 970 }
 971
 972 function contactgroupChangeMember(checkbox, gid, cid) {
 973         let url;
 974         // checkbox.checked is the checkbox state after the click
 975         if (checkbox.checked) {
 976                 url = 'group/' + gid + '/add/' + cid;
 977         } else {
 978                 url = 'group/' + gid + '/remove/' + cid;
 979         }
 980         $('body').css('cursor', 'wait');
 981         $.post(url)
 982         .error(function () {
 983                 // Restores previous state in case of error
 984                 checkbox.checked = !checkbox.checked;
 985         })
 986         .always(function() {
 987                 $('body').css('cursor', 'auto');
 988         });
 989
 990         return true;
 991 }
 992
 993 function checkboxhighlight(box) {
 994         if ($(box).is(':checked')) {
 995                 $(box).addClass('checkeditem');
 996         } else {
 997                 $(box).removeClass('checkeditem');
 998         }
 999 }
1000
1001 function notificationMarkAll() {
1002         $.get('notification/mark/all', function(data) {
1003                 if (timer) {
1004                         clearTimeout(timer);
1005                 }
1006                 timer = setTimeout(NavUpdate,1000);
1007                 force_update = true;
1008         });
1009 }
1010
1011 /**
1012  * sprintf in javascript
1013  *      "{0} and {1}".format('zero','uno');
1014  **/
1015 String.prototype.format = function() {
1016         var formatted = this;
1017         for (var i = 0; i < arguments.length; i++) {
1018                 var regexp = new RegExp('\\{'+i+'\\}', 'gi');
1019                 formatted = formatted.replace(regexp, arguments[i]);
1020         }
1021         return formatted;
1022 };
1023 // Array Remove
1024 Array.prototype.remove = function(item) {
1025         to=undefined; from=this.indexOf(item);
1026         var rest = this.slice((to || from) + 1 || this.length);
1027         this.length = from < 0 ? this.length + from : from;
1028         return this.push.apply(this, rest);
1029 };
1030
1031 function previewTheme(elm) {
1032         theme = $(elm).val();
1033         $.getJSON('pretheme?theme=' + theme,function(data) {
1034                         $('#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>');
1035         });
1036
1037 }
1038
1039 // notification permission settings in localstorage
1040 // set by settings page
1041 function getNotificationPermission() {
1042         if (window["Notification"] === undefined) {
1043                 return null;
1044         }
1045
1046         if (Notification.permission === 'granted') {
1047                 var val = localStorage.getItem('notification-permissions');
1048                 if (val === null) {
1049                         return 'denied';
1050                 }
1051                 return val;
1052         } else {
1053                 return Notification.permission;
1054         }
1055 }
1056
1057 /**
1058  * Show a dialog loaded from an url
1059  * By defaults this load the url in an iframe in colorbox
1060  * Themes can overwrite `show()` function to personalize it
1061  */
1062 var Dialog = {
1063         /**
1064          * Show the dialog
1065          *
1066          * @param string url
1067          * @return object colorbox
1068          */
1069         show : function (url) {
1070                 var size = Dialog._get_size();
1071                 return $.colorbox({href: url, iframe:true,innerWidth: size.width+'px',innerHeight: size.height+'px'})
1072         },
1073
1074         /**
1075          * Show the Image browser dialog
1076          *
1077          * @param string name
1078          * @param string id (optional)
1079          * @return object
1080          *
1081          * The name will be used to build the event name
1082          * fired by image browser dialog when the user select
1083          * an image. The optional id will be passed as argument
1084          * to the event handler
1085          */
1086         doImageBrowser : function (name, id) {
1087                 var url = Dialog._get_url("image",name,id);
1088                 return Dialog.show(url);
1089         },
1090
1091         /**
1092          * Show the File browser dialog
1093          *
1094          * @param string name
1095          * @param string id (optional)
1096          * @return object
1097          *
1098          * The name will be used to build the event name
1099          * fired by file browser dialog when the user select
1100          * a file. The optional id will be passed as argument
1101          * to the event handler
1102          */
1103         doFileBrowser : function (name, id) {
1104                 var url = Dialog._get_url("file",name,id);
1105                 return Dialog.show(url);
1106         },
1107
1108         _get_url : function(type, name, id) {
1109                 var hash = name;
1110                 if (id !== undefined) {
1111                         hash = hash + "-" + id;
1112                 }
1113                 return baseurl + "/fbrowser/"+type+"/?mode=minimal#"+hash;
1114         },
1115
1116         _get_size: function() {
1117                 return {
1118                         width: window.innerWidth-50,
1119                         height: window.innerHeight-100
1120                 };
1121         }
1122 }
1123 // @license-end