friendica/js/main.js

	function resizeIframe(obj) {
		//obj.style.height = 0;
		_resizeIframe(obj, 0);
	}

	function _resizeIframe(obj, desth) {
		var h = obj.style.height;
		var ch = obj.contentWindow.document.body.scrollHeight;
		if (h == (ch + 'px')) {
			return;
		}
		if (desth == ch && ch>0) {
			obj.style.height  = ch + 'px';
		}
		setTimeout(_resizeIframe, 100, obj, ch);
	}

	function openClose(theID) {
		if(document.getElementById(theID).style.display == "block") {
			document.getElementById(theID).style.display = "none"
		}
		else {
			document.getElementById(theID).style.display = "block"
		}
	}

	function openMenu(theID) {
		var el = document.getElementById(theID)
		if (el) {
			el.style.display = "block";
		}
	}

	function closeMenu(theID) {
		var el = document.getElementById(theID)
		if (el) {
			el.style.display = "none";
		}
	}

	function decodeHtml(html) {
		var txt = document.createElement("textarea");
		txt.innerHTML = html;
		return txt.value;
	}


	var src = null;
	var prev = null;
	var livetime = null;
	var force_update = false;
	var stopped = false;
	var totStopped = false;
	var timer = null;
	var pr = 0;
	var liking = 0;
	var in_progress = false;
	var langSelect = false;
	var commentBusy = false;
	var last_popup_menu = null;
	var last_popup_button = null;
	var lockLoadContent = false;

	$(function() {
		$.ajaxSetup({cache: false});

		/* setup tooltips *//*
		$("a,.tt").each(function(){
			var e = $(this);
			var pos="bottom";
			if (e.hasClass("tttop")) pos="top";
			if (e.hasClass("ttbottom")) pos="bottom";
			if (e.hasClass("ttleft")) pos="left";
			if (e.hasClass("ttright")) pos="right";
			e.tipTip({defaultPosition: pos, edgeOffset: 8});
		});*/

		/* setup comment textarea buttons */
		/* comment textarea buttons needs some "data-*" attributes to work:
		 * 		data-role="insert-formatting" : to mark the element as a formatting button
		 * 		data-bbcode="<string>" : name of the bbcode element to insert. insertFormatting() will insert it as "[name][/name]"
		 * 		data-id="<string>" : id of the comment, used to find other comment-related element, like the textarea
		 * */
		$('body').on('click','[data-role="insert-formatting"]', function(e) {
			e.preventDefault();
			var o = $(this);
			var bbcode  = o.data('bbcode');
			var id = o.data('id');
			if (bbcode=="img") {
				Dialog.doImageBrowser("comment", id);
				return;
			}
			insertFormatting(bbcode, id);
		});

		/* event from comment textarea button popups */
		/* insert returned bbcode at cursor position or replace selected text */
		$("body").on("fbrowser.image.comment", function(e, filename, bbcode, id) {
			$.colorbox.close();
			var textarea = document.getElementById("comment-edit-text-" +id);
			var start = textarea.selectionStart;
			var end = textarea.selectionEnd;
			textarea.value = textarea.value.substring(0, start) + bbcode + textarea.value.substring(end, textarea.value.length);
			$(textarea).trigger('change');
		});



		/* setup onoff widgets */
		$(".onoff input").each(function(){
			val = $(this).val();
			id = $(this).attr("id");
			$("#"+id+"_onoff ."+ (val==0?"on":"off")).addClass("hidden");

		});
		$(".onoff > a").click(function(event){
			event.preventDefault();
			var input = $(this).siblings("input");
			var val = 1-input.val();
			var id = input.attr("id");
			$("#"+id+"_onoff ."+ (val==0?"on":"off")).addClass("hidden");
			$("#"+id+"_onoff ."+ (val==1?"on":"off")).removeClass("hidden");
			input.val(val);
		});

		/* popup menus */
		function close_last_popup_menu() {
			if(last_popup_menu) {
				last_popup_menu.hide();
				last_popup_menu.off('click', function(e) {e.stopPropagation()});
				last_popup_button.removeClass("selected");
				last_popup_menu = null;
				last_popup_button = null;
			}
		}
		$('a[rel^=#]').click(function(e){
			e.preventDefault();
			var parent = $(this).parent();
			var isSelected = (last_popup_button && parent.attr('id') == last_popup_button.attr('id'));
			close_last_popup_menu();
			if(isSelected) return false;
			menu = $( $(this).attr('rel') );
			e.preventDefault();
			e.stopPropagation();
			if (menu.attr('popup')=="false") return false;
			parent.toggleClass("selected");
			menu.toggle();
			if (menu.css("display") == "none") {
				last_popup_menu = null;
				last_popup_button = null;
			} else {
				last_popup_menu = menu;
				last_popup_menu.on('click', function(e) {e.stopPropagation()});
				last_popup_button = parent;
				$('#nav-notifications-menu').perfectScrollbar('update');
			}
			return false;
		});
		$('html').click(function() {
			close_last_popup_menu();
		});

		// fancyboxes
		$("a.popupbox").colorbox({
			'inline' : true,
			'transition' : 'elastic',
			'maxWidth' : '100%'
		});
		$("a.ajax-popupbox").colorbox({
			'transition' : 'elastic',
			'maxWidth' : '100%'
		});

		/* notifications template */
		var notifications_tpl= unescape($("#nav-notifications-template[rel=template]").html());
		var notifications_all = unescape($('<div>').append( $("#nav-notifications-see-all").clone() ).html()); //outerHtml hack
		var notifications_mark = unescape($('<div>').append( $("#nav-notifications-mark-all").clone() ).html()); //outerHtml hack
		var notifications_empty = unescape($("#nav-notifications-menu").html());

		/* enable perfect-scrollbars for different elements */
		$('#nav-notifications-menu, aside').perfectScrollbar();

		/* nav update event  */
		$('nav').bind('nav-update', function(e, data){
			var invalid = data.invalid || 0;
			if(invalid == 1) { window.location.href=window.location.href }

			['net', 'home', 'intro', 'mail', 'events', 'birthdays', 'notify'].forEach(function(type) {
				var number = data[type];
				if (number == 0) {
					number = '';
					$('#' + type + '-update').removeClass('show');
				} else {
					$('#' + type + '-update').addClass('show');
				}
				$('#' + type + '-update').text(number);
			});

			var intro = data['intro'];
			if(intro == 0) { intro = ''; $('#intro-update-li').removeClass('show') } else { $('#intro-update-li').addClass('show') }
			$('#intro-update-li').html(intro);

			var mail = data['mail'];
			if(mail == 0) { mail = ''; $('#mail-update-li').removeClass('show') } else { $('#mail-update-li').addClass('show') }
			$('#mail-update-li').html(mail);

			$(".sidebar-group-li .notify").removeClass("show");
			$(data.groups).each(function(key, group) {
				var gid = group.id;
				var gcount = group.count;
				$(".group-"+gid+" .notify").addClass("show").text(gcount);
			});

			$(".forum-widget-entry .notify").removeClass("show");
			$(data.forums).each(function(key, forum) {
				var fid = forum.id;
				var fcount = forum.count;
				$(".forum-"+fid+" .notify").addClass("show").text(fcount);
			});

			if (data.notifications.length == 0) {
				$("#nav-notifications-menu").html(notifications_empty);
			} else {
				var nnm = $("#nav-notifications-menu");
				nnm.html(notifications_all + notifications_mark);

				var lastItemStorageKey = "notification-lastitem:" + localUser;
				var notification_lastitem = parseInt(localStorage.getItem(lastItemStorageKey));
				var notification_id = 0;

				// Insert notifs into the notifications-menu
				$(data.notifications).each(function(key, notif){
					var text = notif.message.format('<span class="contactname">' + notif.name + '</span>');
					var contact = ('<a href="' + notif.url + '"><span class="contactname">' + notif.name + '</span></a>');
					var seenclass = (notif.seen == 1) ? "notify-seen" : "notify-unseen";
					var html = notifications_tpl.format(
						notif.href,                     // {0}  // link to the source
						notif.photo,                    // {1}  // photo of the contact
						text,                           // {2}  // preformatted text (autor + text)
						notif.date,                     // {3}  // date of notification (time ago)
						seenclass,                      // {4}  // visited status of the notification
						new Date(notif.timestamp*1000), // {5}  // date of notification
						notif.url,                      // {6}  // profile url of the contact
						notif.message.format(contact),  // {7}  // preformatted html (text including author profile url)
						''                              // {8}  // Deprecated
					);
					nnm.append(html);
				});

				// Desktop Notifications
				$(data.notifications.reverse()).each(function(key, e){
					notification_id = parseInt(e.timestamp);
					if (notification_lastitem !== null && notification_id > notification_lastitem && Number(e.seen) === 0) {
						if (getNotificationPermission() === "granted") {
							var notification = new Notification(document.title, {
											  body: decodeHtml(e.message.replace('&rarr; ', '').format(e.name)),
											  icon: e.photo,
											 });
							notification['url'] = e.href;
							notification.addEventListener("click", function(ev){
								window.location = ev.target.url;
							});
						}
					}

				});
				notification_lastitem = notification_id;
				localStorage.setItem(lastItemStorageKey, notification_lastitem)

				$("img[data-src]", nnm).each(function(i, el){
					// Add src attribute for images with a data-src attribute
					// However, don't bother if the data-src attribute is empty, because
					// an empty "src" tag for an image will cause some browsers
					// to prefetch the root page of the Friendica hub, which will
					// unnecessarily load an entire profile/ or network/ page
					if($(el).data("src") != '') $(el).attr('src', $(el).data("src"));
				});
			}

			var notif = data['notify'];
			if (notif > 0){
				$("#nav-notifications-linkmenu").addClass("on");
			} else {
				$("#nav-notifications-linkmenu").removeClass("on");
			}

			$(data.sysmsgs.notice).each(function(key, message){
				$.jGrowl(message, {sticky: true, theme: 'notice'});
			});
			$(data.sysmsgs.info).each(function(key, message){
				$.jGrowl(message, {sticky: false, theme: 'info', life: 5000});
			});

			// Update the js scrollbars
			$('#nav-notifications-menu').perfectScrollbar('update');

		});

 		NavUpdate();
		// Allow folks to stop the ajax page updates with the pause/break key
		$(document).keydown(function(event) {
			if(event.keyCode == '8') {
				var target = event.target || event.srcElement;
				if (!/input|textarea/i.test(target.nodeName)) {
					return false;
				}
			}
			if(event.keyCode == '19' || (event.ctrlKey && event.which == '32')) {
				event.preventDefault();
				if(stopped == false) {
					stopped = true;
					if (event.ctrlKey) {
						totStopped = true;
					}
					$('#pause').html('<img src="images/pause.gif" alt="pause" style="border: 1px solid black;" />');
				} else {
					unpause();
				}
			} else {
				if (!totStopped) {
					unpause();
				}
			}
		});

		// Scroll to the next/previous thread when pressing J and K
		$(document).keydown(function (event) {
			var threads = $('.thread_level_1');
			if ((event.keyCode === 74 || event.keyCode === 75) && !$(event.target).is('textarea, input')) {
				var scrollTop = $(window).scrollTop();
				if (event.keyCode === 75) {
					threads = $(threads.get().reverse());
				}
				threads.each(function(key, item) {
					var comparison;
					var top = $(item).offset().top - 100;
					if (event.keyCode === 74) {
						comparison = top > scrollTop + 1;
					} else if (event.keyCode === 75) {
						comparison = top < scrollTop - 1;
					}
					if (comparison) {
						$('html, body').animate({ scrollTop: top }, 200);
						return false;
					}
				});
			}
		});

		// Set an event listener for infinite scroll
		if(typeof infinite_scroll !== 'undefined') {
			$(window).scroll(function(e){
				if ($(document).height() != $(window).height()) {
					// First method that is expected to work - but has problems with Chrome
					if ($(window).scrollTop() > ($(document).height() - $(window).height() * 1.5))
						loadScrollContent();
				} else {
					// This method works with Chrome - but seems to be much slower in Firefox
					if ($(window).scrollTop() > (($("section").height() + $("header").height() + $("footer").height()) - $(window).height() * 1.5))
						loadScrollContent();
				}
			});
		}


	});

	function NavUpdate() {

		if (!stopped) {
			var pingCmd = 'ping?format=json' + ((localUser != 0) ? '&f=&uid=' + localUser : '');
			$.get(pingCmd, function(data) {
				if (data.result) {
					// send nav-update event
					$('nav').trigger('nav-update', data.result);

					// start live update
					['network', 'profile', 'community', 'notes', 'display'].forEach(function (src) {
						if ($('#live-' + src).length) {
							liveUpdate(src);
						}
					});
					if ($('#live-photos').length) {
						if (liking) {
							liking = 0;
							window.location.href = window.location.href;
						}
					}
				}
			}) ;
		}
		timer = setTimeout(NavUpdate, updateInterval);
	}

	function liveUpdate(src) {
		if((src == null) || (stopped) || (! profile_uid)) { $('.like-rotator').hide(); return; }
		if(($('.comment-edit-text-full').length) || (in_progress)) {
			if(livetime) {
				clearTimeout(livetime);
			}
			livetime = setTimeout(function() {liveUpdate(src)}, 5000);
			return;
		}
		if(livetime != null)
			livetime = null;

		prev = 'live-' + src;

		in_progress = true;

		if ($(document).scrollTop() == 0)
			force_update = true;

		var udargs = ((netargs.length) ? '/' + netargs : '');
		var update_url = 'update_' + src + udargs + '&p=' + profile_uid + '&page=' + profile_page + '&force=' + ((force_update) ? 1 : 0);

		$.get(update_url,function(data) {
			in_progress = false;
			force_update = false;
			//			$('.collapsed-comments',data).each(function() {
			//	var ident = $(this).attr('id');
			//	var is_hidden = $('#' + ident).is(':hidden');
			//	if($('#' + ident).length) {
			//		$('#' + ident).replaceWith($(this));
			//		if(is_hidden)
			//			$('#' + ident).hide();
			//	}
			//});

			// add a new thread
			$('.toplevel_item',data).each(function() {
				var ident = $(this).attr('id');

				if($('#' + ident).length == 0 && profile_page == 1) {
					$('img',this).each(function() {
						$(this).attr('src',$(this).attr('dst'));
					});
					$('#' + prev).after($(this));
				}
				else {
					// Find out if the hidden comments are open, so we can keep it that way
					// if a new comment has been posted
					var id = $('.hide-comments-total', this).attr('id');
					if(typeof id != 'undefined') {
						id = id.split('-')[3];
						var commentsOpen = $("#collapsed-comments-" + id).is(":visible");
					}

					$('img',this).each(function() {
						$(this).attr('src',$(this).attr('dst'));
					});
					//vScroll = $(document).scrollTop();
					$('html').height($('html').height());
					$('#' + ident).replaceWith($(this));

					if(typeof id != 'undefined') {
						if(commentsOpen) showHideComments(id);
					}
					$('html').height('auto');
					//$(document).scrollTop(vScroll);
				}
				prev = ident;
			});

			// reset vars for inserting individual items

			/*			prev = 'live-' + src;

			$('.wall-item-outside-wrapper',data).each(function() {
				var ident = $(this).attr('id');

				if($('#' + ident).length == 0 && prev != 'live-' + src) {
						$('img',this).each(function() {
							$(this).attr('src',$(this).attr('dst'));
						});
						$('#' + prev).after($(this));
				}
				else {
					$('#' + ident + ' ' + '.wall-item-ago').replaceWith($(this).find('.wall-item-ago'));
					if($('#' + ident + ' ' + '.comment-edit-text-empty').length)
						$('#' + ident + ' ' + '.wall-item-comment-wrapper').replaceWith($(this).find('.wall-item-comment-wrapper'));
					$('#' + ident + ' ' + '.hide-comments-total').replaceWith($(this).find('.hide-comments-total'));
					$('#' + ident + ' ' + '.wall-item-like').replaceWith($(this).find('.wall-item-like'));
					$('#' + ident + ' ' + '.wall-item-dislike').replaceWith($(this).find('.wall-item-dislike'));
					$('#' + ident + ' ' + '.my-comment-photo').each(function() {
						$(this).attr('src',$(this).attr('dst'));
					});
				}
				prev = ident;
			});
			*/
			$('.like-rotator').hide();
			if(commentBusy) {
				commentBusy = false;
				$('body').css('cursor', 'auto');
			}
			/* autocomplete @nicknames */
			$(".comment-edit-form  textarea").editor_autocomplete(baseurl+"/acl");
			/* autocomplete bbcode */
			$(".comment-edit-form  textarea").bbco_autocomplete('bbcode');

			// setup videos, since VideoJS won't take care of any loaded via AJAX
			if(typeof videojs != 'undefined') videojs.autoSetup();
		});
	}

	function imgbright(node) {
		$(node).removeClass("drophide").addClass("drop");
	}

	function imgdull(node) {
		$(node).removeClass("drop").addClass("drophide");
	}

	// Since our ajax calls are asynchronous, we will give a few
	// seconds for the first ajax call (setting like/dislike), then
	// run the updater to pick up any changes and display on the page.
	// The updater will turn any rotators off when it's done.
	// This function will have returned long before any of these
	// events have completed and therefore there won't be any
	// visible feedback that anything changed without all this
	// trickery. This still could cause confusion if the "like" ajax call
	// is delayed and NavUpdate runs before it completes.

	function dolike(ident,verb) {
		unpause();
		$('#like-rotator-' + ident.toString()).show();
		$.get('like/' + ident.toString() + '?verb=' + verb, NavUpdate );
		liking = 1;
		force_update = true;
	}

	function dosubthread(ident) {
		unpause();
		$('#like-rotator-' + ident.toString()).show();
		$.get('subthread/' + ident.toString(), NavUpdate );
		liking = 1;
	}


	function dostar(ident) {
		ident = ident.toString();
		$('#like-rotator-' + ident).show();
		$.get('starred/' + ident, function(data) {
			if(data.match(/1/)) {
				$('#starred-' + ident).addClass('starred');
				$('#starred-' + ident).removeClass('unstarred');
				$('#star-' + ident).addClass('hidden');
				$('#unstar-' + ident).removeClass('hidden');
			}
			else {
				$('#starred-' + ident).addClass('unstarred');
				$('#starred-' + ident).removeClass('starred');
				$('#star-' + ident).removeClass('hidden');
				$('#unstar-' + ident).addClass('hidden');
			}
			$('#like-rotator-' + ident).hide();
		});
	}

	function doignore(ident) {
		ident = ident.toString();
		$('#like-rotator-' + ident).show();
		$.get('ignored/' + ident, function(data) {
			if(data.match(/1/)) {
				$('#ignored-' + ident).addClass('ignored');
				$('#ignored-' + ident).removeClass('unignored');
				$('#ignore-' + ident).addClass('hidden');
				$('#unignore-' + ident).removeClass('hidden');
			}
			else {
				$('#ignored-' + ident).addClass('unignored');
				$('#ignored-' + ident).removeClass('ignored');
				$('#ignore-' + ident).removeClass('hidden');
				$('#unignore-' + ident).addClass('hidden');
			}
			$('#like-rotator-' + ident).hide();
		});
	}

	function getPosition(e) {
		var cursor = {x:0, y:0};
		if ( e.pageX || e.pageY  ) {
			cursor.x = e.pageX;
			cursor.y = e.pageY;
		}
		else {
			if( e.clientX || e.clientY ) {
				cursor.x = e.clientX + (document.documentElement.scrollLeft || document.body.scrollLeft) - document.documentElement.clientLeft;
				cursor.y = e.clientY + (document.documentElement.scrollTop  || document.body.scrollTop)  - document.documentElement.clientTop;
			}
			else {
				if( e.x || e.y ) {
					cursor.x = e.x;
					cursor.y = e.y;
				}
			}
		}
		return cursor;
	}

	var lockvisible = false;

	function lockview(event,id) {
		event = event || window.event;
		cursor = getPosition(event);
		if(lockvisible) {
			lockviewhide();
		}
		else {
			lockvisible = true;
			$.get('lockview/' + id, function(data) {
				$('#panel').html(data);
				$('#panel').css({ 'left': cursor.x + 5 , 'top': cursor.y + 5});
				$('#panel').show();
			});
		}
	}

	function lockviewhide() {
		lockvisible = false;
		$('#panel').hide();
	}

	function post_comment(id) {
		unpause();
		commentBusy = true;
		$('body').css('cursor', 'wait');
		$("#comment-preview-inp-" + id).val("0");
		$.post(
			"item",
			$("#comment-edit-form-" + id).serialize(),
			function(data) {
				if(data.success) {
					$("#comment-edit-wrapper-" + id).hide();
					$("#comment-edit-text-" + id).val('');
					var tarea = document.getElementById("comment-edit-text-" + id);
					if(tarea)
						commentClose(tarea,id);
					if(timer) clearTimeout(timer);
					timer = setTimeout(NavUpdate,10);
					force_update = true;
				}
				if(data.reload) {
					window.location.href=data.reload;
				}
			},
			"json"
		);
		return false;
	}


	function preview_comment(id) {
		$("#comment-preview-inp-" + id).val("1");
		$("#comment-edit-preview-" + id).show();
		$.post(
			"item",
			$("#comment-edit-form-" + id).serialize(),
			function(data) {
				if(data.preview) {
					$("#comment-edit-preview-" + id).html(data.preview);
					$("#comment-edit-preview-" + id + " a").click(function() { return false; });
				}
			},
			"json"
		);
		return true;
	}



	function showHideComments(id) {
		if( $("#collapsed-comments-" + id).is(":visible")) {
			$("#collapsed-comments-" + id).hide();
			$("#hide-comments-" + id).html(window.showMore);
		}
		else {
			$("#collapsed-comments-" + id).show();
			$("#hide-comments-" + id).html(window.showFewer);
		}
	}



	function preview_post() {
		$("#jot-preview").val("1");
		$("#jot-preview-content").show();
		$.post(
			"item",
			$("#profile-jot-form").serialize(),
			function(data) {
				if(data.preview) {
					$("#jot-preview-content").html(data.preview);
					$("#jot-preview-content" + " a").click(function() { return false; });
				}
			},
			"json"
		);
		$("#jot-preview").val("0");
		return true;
	}


	function unpause() {
		// unpause auto reloads if they are currently stopped
		totStopped = false;
		stopped = false;
		$('#pause').html('');
	}

	// load more network content (used for infinite scroll)
	function loadScrollContent() {
		if (lockLoadContent) return;
		lockLoadContent = true;

		$("#scroll-loader").fadeIn('normal');

		// the page number to load is one higher than the actual
		// page number
		infinite_scroll.pageno+=1;

		// get the raw content from the next page and insert this content
		// right before "#conversation-end"
		$.get('network?mode=raw' + infinite_scroll.reload_uri + '&page=' + infinite_scroll.pageno, function(data) {
			$("#scroll-loader").hide();
			if ($(data).length > 0) {
				$(data).insertBefore('#conversation-end');
				lockLoadContent = false;
			} else {
				$("#scroll-end").fadeIn('normal');
			}
		});
	}

    function bin2hex(s){
        // Converts the binary representation of data to hex
        //
        // version: 812.316
        // discuss at: http://phpjs.org/functions/bin2hex
        // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
        // +   bugfixed by: Onno Marsman
        // +   bugfixed by: Linuxworld
        // *     example 1: bin2hex('Kev');
        // *     returns 1: '4b6576'
        // *     example 2: bin2hex(String.fromCharCode(0x00));
        // *     returns 2: '00'
        var v,i, f = 0, a = [];
        s += '';
        f = s.length;

        for (i = 0; i<f; i++) {
            a[i] = s.charCodeAt(i).toString(16).replace(/^([\da-f])$/,"0$1");
        }

        return a.join('');
    }

	function groupChangeMember(gid, cid, sec_token) {
		$('body .fakelink').css('cursor', 'wait');
		$.get('group/' + gid + '/' + cid + "?t=" + sec_token, function(data) {
				$('#group-update-wrapper').html(data);
				$('body .fakelink').css('cursor', 'auto');
		});
	}

	function profChangeMember(gid,cid) {
		$('body .fakelink').css('cursor', 'wait');
		$.get('profperm/' + gid + '/' + cid, function(data) {
				$('#prof-update-wrapper').html(data);
				$('body .fakelink').css('cursor', 'auto');
		});
	}

	function contactgroupChangeMember(gid,cid) {
		$('body').css('cursor', 'wait');
		$.get('contactgroup/' + gid + '/' + cid, function(data) {
				$('body').css('cursor', 'auto');
		});
	}


function checkboxhighlight(box) {
  if($(box).is(':checked')) {
	$(box).addClass('checkeditem');
  }
  else {
	$(box).removeClass('checkeditem');
  }
}

function notifyMarkAll() {
	$.get('notify/mark/all', function(data) {
		if(timer) clearTimeout(timer);
		timer = setTimeout(NavUpdate,1000);
		force_update = true;
	});
}

/**
 * sprintf in javascript
 *	"{0} and {1}".format('zero','uno');
 **/
String.prototype.format = function() {
    var formatted = this;
    for (var i = 0; i < arguments.length; i++) {
        var regexp = new RegExp('\\{'+i+'\\}', 'gi');
        formatted = formatted.replace(regexp, arguments[i]);
    }
    return formatted;
};
// Array Remove
Array.prototype.remove = function(item) {
  to=undefined; from=this.indexOf(item);
  var rest = this.slice((to || from) + 1 || this.length);
  this.length = from < 0 ? this.length + from : from;
  return this.push.apply(this, rest);
};

function previewTheme(elm) {
	theme = $(elm).val();
	$.getJSON('pretheme?f=&theme=' + theme,function(data) {
			$('#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>');
	});

}

// notification permission settings in localstorage
// set by settings page
function getNotificationPermission() {
	if (window["Notification"] === undefined) {
		return null;
	}
    if (Notification.permission === 'granted') {
        var val = localStorage.getItem('notification-permissions');
		if (val === null) return 'denied';
		return val;
    } else {
        return Notification.permission;
    }
}

/**
 * Show a dialog loaded from an url
 * By defaults this load the url in an iframe in colorbox
 * Themes can overwrite `show()` function to personalize it
 */
var Dialog = {
	/**
	 * Show the dialog
	 *
	 * @param string url
	 * @return object colorbox
	 */
	show : function (url) {
		var size = Dialog._get_size();
		return $.colorbox({href: url, iframe:true,innerWidth: size.width+'px',innerHeight: size.height+'px'})
	},

	/**
	 * Show the Image browser dialog
	 *
	 * @param string name
	 * @param string id (optional)
	 * @return object
	 *
	 * The name will be used to build the event name
	 * fired by image browser dialog when the user select
	 * an image. The optional id will be passed as argument
	 * to the event handler
	 */
	doImageBrowser : function (name, id) {
		var url = Dialog._get_url("image",name,id);
		return Dialog.show(url);
	},

	/**
	 * Show the File browser dialog
	 *
	 * @param string name
	 * @param string id (optional)
	 * @return object
	 *
	 * The name will be used to build the event name
	 * fired by file browser dialog when the user select
	 * a file. The optional id will be passed as argument
	 * to the event handler
	 */
	doFileBrowser : function (name, id) {
		var url = Dialog._get_url("file",name,id);
		return Dialog.show(url);
	},

	_get_url : function(type, name, id) {
		var hash = name;
		if (id !== undefined) hash = hash + "-" + id;
		return baseurl + "/fbrowser/"+type+"/?mode=minimal#"+hash;
	},

	_get_size: function() {
		return {
			width: window.innerWidth-50,
			height: window.innerHeight-100
		};
	}
}