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