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