2 * StatusNet - a distributed open-source microblogging tool
3 * Copyright (C) 2008, StatusNet, Inc.
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU Affero General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU Affero General Public License for more details.
15 * You should have received a copy of the GNU Affero General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 * @category UI interaction
20 * @author Sarven Capadisli <csarven@status.net>
21 * @author Evan Prodromou <evan@status.net>
22 * @author Brion Vibber <brion@status.net>
23 * @copyright 2009,2010 StatusNet, Inc.
24 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
25 * @link http://status.net/
28 var SN = { // StatusNet
31 CounterBlackout: false,
33 PatternUsername: /^[0-9a-zA-Z\-_.]*$/,
34 HTTP20x30x: [200, 201, 202, 203, 204, 205, 206, 300, 301, 302, 303, 304, 305, 306, 307],
38 * @fixme are these worth the trouble? They seem to mostly just duplicate
39 * themselves while slightly obscuring the actual selector, so it's hard
40 * to pop over to the HTML and find something.
42 * In theory, minification could reduce them to shorter variable names,
43 * but at present that doesn't happen with yui-compressor.
50 Processing: 'processing',
51 CommandResult: 'command_result',
52 FormNotice: 'form_notice',
53 NoticeDataGeo: 'notice_data-geo',
54 NoticeDataGeoCookie: 'NoticeDataGeo',
55 NoticeDataGeoSelected: 'notice_data-geo_selected',
56 StatusNetInstance: 'StatusNetInstance'
64 * list of callbacks, categorized into _callbacks['event_name'] = [ callback_function_1, callback_function_2 ]
71 * Map of localized message strings exported to script from the PHP
72 * side via Action::getScriptMessages().
74 * Retrieve them via SN.msg(); this array is an implementation detail.
81 * Grabs a localized string that's been previously exported to us
82 * from server-side code via Action::getScriptMessages().
84 * @example alert(SN.msg('coolplugin-failed'));
86 * @param {String} key: string key name to pull from message index
87 * @return matching localized message string
90 if (SN.messages[key] === undefined) {
91 return '[' + key + ']';
93 return SN.messages[key];
98 * Setup function -- DOES NOT trigger actions immediately.
100 * Sets up event handlers on the new notice form.
102 * @param {jQuery} form: jQuery object whose first matching element is the form
105 FormNoticeEnhancements: function (form) {
106 if ($.data(form[0], 'ElementData') === undefined) {
107 var MaxLength = form.find('.count').text();
108 if (MaxLength === undefined) {
109 MaxLength = SN.C.I.MaxLength;
111 $.data(form[0], 'ElementData', {MaxLength: MaxLength});
115 var NDT = form.find('.notice_data-text:first');
117 NDT.on('keyup', function (e) {
121 var delayedUpdate = function (e) {
122 // Cut and paste events fire *before* the operation,
123 // so we need to trigger an update in a little bit.
124 // This would be so much easier if the 'change' event
125 // actually fired every time the value changed. :P
126 window.setTimeout(function () {
130 // Note there's still no event for mouse-triggered 'delete'.
131 NDT.on('cut', delayedUpdate)
132 .on('paste', delayedUpdate);
134 form.find('.count').text($.data(form[0], 'ElementData').MaxLength);
139 * To be called from event handlers on the notice import form.
140 * Triggers an update of the remaining-characters counter.
142 * Additional counter updates will be suppressed during the
143 * next half-second to avoid flooding the layout engine with
144 * updates, followed by another automatic check.
146 * The maximum length is pulled from data established by
147 * FormNoticeEnhancements.
149 * @param {jQuery} form: jQuery object whose first element is the notice posting form
152 Counter: function (form) {
153 SN.C.I.FormNoticeCurrent = form;
155 var MaxLength = $.data(form[0], 'ElementData').MaxLength;
157 if (MaxLength <= 0) {
161 var remaining = MaxLength - SN.U.CharacterCount(form);
162 var counter = form.find('.count');
164 if (remaining.toString() != counter.text()) {
165 if (!SN.C.I.CounterBlackout || remaining === 0) {
166 if (counter.text() != String(remaining)) {
167 counter.text(remaining);
170 form.addClass(SN.C.S.Warning);
172 form.removeClass(SN.C.S.Warning);
174 // Skip updates for the next 500ms.
175 // On slower hardware, updating on every keypress is unpleasant.
176 if (!SN.C.I.CounterBlackout) {
177 SN.C.I.CounterBlackout = true;
178 SN.C.I.FormNoticeCurrent = form;
179 window.setTimeout("SN.U.ClearCounterBlackout(SN.C.I.FormNoticeCurrent);", 500);
186 * Pull the count of characters in the current edit field.
187 * Plugins replacing the edit control may need to override this.
189 * @param {jQuery} form: jQuery object whose first element is the notice posting form
190 * @return number of chars
192 CharacterCount: function (form) {
193 return form.find('.notice_data-text:first').val().length;
197 * Called internally after the counter update blackout period expires;
198 * runs another update to make sure we didn't miss anything.
200 * @param {jQuery} form: jQuery object whose first element is the notice posting form
203 ClearCounterBlackout: function (form) {
204 // Allow keyup events to poke the counter again
205 SN.C.I.CounterBlackout = false;
206 // Check if the string changed since we last looked
211 * Helper function to rewrite default HTTP form action URLs to HTTPS
212 * so we can actually fetch them when on an SSL page in ssl=sometimes
215 * It would be better to output URLs that didn't hardcode protocol
216 * and hostname in the first place...
218 * @param {String} url
221 RewriteAjaxAction: function (url) {
222 // Quick hack: rewrite AJAX submits to HTTPS if they'd fail otherwise.
223 if (document.location.protocol === 'https:' && url.substr(0, 5) === 'http:') {
224 return url.replace(/^http:\/\/[^:\/]+/, 'https://' + document.location.host);
229 FormNoticeUniqueID: function (form) {
230 var oldId = form.attr('id');
231 var newId = 'form_notice_' + Math.floor(Math.random()*999999999);
232 var attrs = ['name', 'for', 'id'];
233 for (var key in attrs) {
234 if (form.attr(attrs[key]) === undefined) {
237 form.attr(attrs[key], form.attr(attrs[key]).replace(oldId, newId));
239 for (var key in attrs) {
240 form.find("[" + attrs[key] + "*='" + oldId + "']").each(function () {
241 if ($(this).attr(attrs[key]) === undefined) {
242 return; // since we're inside the each(function () { ... });
244 var newAttr = $(this).attr(attrs[key]).replace(oldId, newId);
245 $(this).attr(attrs[key], newAttr);
251 * Grabs form data and submits it asynchronously, with 'ajax=1'
252 * parameter added to the rest.
254 * If a successful response includes another form, that form
255 * will be extracted and copied in, replacing the original form.
256 * If there's no form, the first paragraph will be used.
258 * This will automatically be applied on the 'submit' event for
259 * any form with the 'ajax' class.
261 * @fixme can sometimes explode confusingly if returnd data is bogus
262 * @fixme error handling is pretty vague
263 * @fixme can't submit file uploads
265 * @param {jQuery} form: jQuery object whose first element is a form
266 * @param function onSuccess: something extra to do on success
270 FormXHR: function (form, onSuccess) {
274 url: SN.U.RewriteAjaxAction(form.attr('action')),
275 data: form.serialize() + '&ajax=1',
276 beforeSend: function (xhr) {
278 .addClass(SN.C.S.Processing)
280 .addClass(SN.C.S.Disabled)
281 .prop(SN.C.S.Disabled, true);
283 error: function (xhr, textStatus, errorThrown) {
284 // If the server end reported an error from StatusNet,
285 // find it -- otherwise we'll see what was reported
287 var errorReported = null;
288 if (xhr.responseXML) {
289 errorReported = $('#error', xhr.responseXML).text();
291 window.alert(errorReported || errorThrown || textStatus);
293 // Restore the form to original state.
296 .removeClass(SN.C.S.Processing)
298 .removeClass(SN.C.S.Disabled)
299 .prop(SN.C.S.Disabled, false);
301 success: function (data, textStatus) {
302 if ($('form', data)[0] !== undefined) {
303 var form_new = document._importNode($('form', data)[0], true);
304 form.replaceWith(form_new);
308 } else if ($('p', data)[0] !== undefined) {
309 form.replaceWith(document._importNode($('p', data)[0], true));
314 window.alert('Unknown error.');
321 * Setup function -- DOES NOT trigger actions immediately.
323 * Sets up event handlers for special-cased async submission of the
324 * notice-posting form, including some pre-post validation.
326 * Unlike FormXHR() this does NOT submit the form immediately!
327 * It sets up event handlers so that any method of submitting the
328 * form (click on submit button, enter, submit() etc) will trigger
331 * Also unlike FormXHR(), this system will use a hidden iframe
332 * automatically to handle file uploads via <input type="file">
336 * @fixme vast swaths of duplicate code and really long variable names clutter this function up real bad
337 * @fixme error handling is unreliable
338 * @fixme cookieValue is a global variable, but probably shouldn't be
339 * @fixme saving the location cache cookies should be split out
340 * @fixme some error messages are hardcoded english: needs i18n
342 * @param {jQuery} form: jQuery object whose first element is a form
346 FormNoticeXHR: function (form) {
347 SN.C.I.NoticeDataGeo = {};
348 form.append('<input type="hidden" name="ajax" value="1"/>');
350 // Make sure we don't have a mixed HTTP/HTTPS submission...
351 form.attr('action', SN.U.RewriteAjaxAction(form.attr('action')));
354 * Hide the previous response feedback, if any.
356 var removeFeedback = function () {
357 form.find('.form_response').remove();
363 beforeSend: function (formData) {
364 if (form.find('.notice_data-text:first').val() == '') {
365 form.addClass(SN.C.S.Warning);
369 .addClass(SN.C.S.Processing)
371 .addClass(SN.C.S.Disabled)
372 .prop(SN.C.S.Disabled, true);
374 SN.U.normalizeGeoData(form);
378 error: function (xhr, textStatus, errorThrown) {
380 .removeClass(SN.C.S.Processing)
382 .removeClass(SN.C.S.Disabled)
383 .prop(SN.C.S.Disabled, false);
385 if (textStatus == 'timeout') {
387 SN.U.showFeedback(form, 'error', 'Sorry! We had trouble sending your notice. The servers are overloaded. Please try again, and contact the site administrator if this problem persists.');
389 var response = SN.U.GetResponseXML(xhr);
390 if ($('.' + SN.C.S.Error, response).length > 0) {
391 form.append(document._importNode($('.' + SN.C.S.Error, response)[0], true));
393 if (parseInt(xhr.status) === 0 || $.inArray(parseInt(xhr.status), SN.C.I.HTTP20x30x) >= 0) {
396 .find('.attach-status').remove();
397 SN.U.FormNoticeEnhancements(form);
400 SN.U.showFeedback(form, 'error', '(Sorry! We had trouble sending your notice (' + xhr.status + ' ' + xhr.statusText + '). Please report the problem to the site administrator if this happens again.');
405 success: function (data, textStatus) {
407 var errorResult = $('#' + SN.C.S.Error, data);
408 if (errorResult.length > 0) {
409 SN.U.showFeedback(form, 'error', errorResult.text());
411 SN.E.ajaxNoticePosted(form, data, textStatus);
414 complete: function (xhr, textStatus) {
416 .removeClass(SN.C.S.Processing)
418 .prop(SN.C.S.Disabled, false)
419 .removeClass(SN.C.S.Disabled);
421 form.find('[name=lat]').val(SN.C.I.NoticeDataGeo.NLat);
422 form.find('[name=lon]').val(SN.C.I.NoticeDataGeo.NLon);
423 form.find('[name=location_ns]').val(SN.C.I.NoticeDataGeo.NLNS);
424 form.find('[name=location_id]').val(SN.C.I.NoticeDataGeo.NLID);
425 form.find('[name=notice_data-geo]').prop('checked', SN.C.I.NoticeDataGeo.NDG);
430 FormProfileSearchXHR: function (form) {
434 url: form.attr('action'),
435 data: form.serialize() + '&ajax=1',
436 beforeSend: function (xhr) {
438 .addClass(SN.C.S.Processing)
440 .addClass(SN.C.S.Disabled)
441 .prop(SN.C.S.Disabled, true);
443 error: function (xhr, textStatus, errorThrown) {
444 window.alert(errorThrown || textStatus);
446 success: function (data, textStatus) {
447 var results_placeholder = $('#profile_search_results');
448 if ($('ul', data)[0] !== undefined) {
449 var list = document._importNode($('ul', data)[0], true);
450 results_placeholder.replaceWith(list);
452 var _error = $('<li/>').append(document._importNode($('p', data)[0], true));
453 results_placeholder.html(_error);
456 .removeClass(SN.C.S.Processing)
458 .removeClass(SN.C.S.Disabled)
459 .prop(SN.C.S.Disabled, false);
464 FormPeopletagsXHR: function (form) {
468 url: form.attr('action'),
469 data: form.serialize() + '&ajax=1',
470 beforeSend: function (xhr) {
472 .addClass(SN.C.S.Processing)
473 .addClass(SN.C.S.Disabled)
474 .prop(SN.C.S.Disabled, true);
476 error: function (xhr, textStatus, errorThrown) {
477 window.alert(errorThrown || textStatus);
479 success: function (data, textStatus) {
480 var results_placeholder = form.parents('.entity_tags');
481 if ($('.entity_tags', data)[0] !== undefined) {
482 var tags = document._importNode($('.entity_tags', data)[0], true);
483 $(tags).find('.editable').append($('<button class="peopletags_edit_button"/>'));
484 results_placeholder.replaceWith(tags);
486 results_placeholder.find('p').remove();
487 results_placeholder.append(document._importNode($('p', data)[0], true));
488 form.removeClass(SN.C.S.Processing)
490 .removeClass(SN.C.S.Disabled)
491 .prop(SN.C.S.Disabled, false);
497 normalizeGeoData: function (form) {
498 SN.C.I.NoticeDataGeo.NLat = form.find('[name=lat]').val();
499 SN.C.I.NoticeDataGeo.NLon = form.find('[name=lon]').val();
500 SN.C.I.NoticeDataGeo.NLNS = form.find('[name=location_ns]').val();
501 SN.C.I.NoticeDataGeo.NLID = form.find('[name=location_id]').val();
502 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').prop('checked'); // @fixme (does this still need to be fixed somehow?)
504 var cookieValue = $.cookie(SN.C.S.NoticeDataGeoCookie);
506 if (cookieValue !== undefined && cookieValue != 'disabled') {
507 cookieValue = JSON.parse(cookieValue);
508 SN.C.I.NoticeDataGeo.NLat = form.find('[name=lat]').val(cookieValue.NLat).val();
509 SN.C.I.NoticeDataGeo.NLon = form.find('[name=lon]').val(cookieValue.NLon).val();
510 if (cookieValue.NLNS) {
511 SN.C.I.NoticeDataGeo.NLNS = form.find('[name=location_ns]').val(cookieValue.NLNS).val();
512 SN.C.I.NoticeDataGeo.NLID = form.find('[name=location_id]').val(cookieValue.NLID).val();
514 form.find('[name=location_ns]').val('');
515 form.find('[name=location_id]').val('');
518 if (cookieValue == 'disabled') {
519 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').prop('checked', false).prop('checked');
521 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').prop('checked', true).prop('checked');
527 * Fetch an XML DOM from an XHR's response data.
529 * Works around unavailable responseXML when document.domain
530 * has been modified by Meteor or other tools, in some but not
533 * @param {XMLHTTPRequest} xhr
534 * @return DOMDocument
536 GetResponseXML: function (xhr) {
538 return xhr.responseXML;
540 return (new DOMParser()).parseFromString(xhr.responseText, "text/xml");
545 * Setup function -- DOES NOT trigger actions immediately.
547 * Sets up event handlers on all visible notice's option <a> elements
548 * with the "popup" class so they behave as expected with AJAX.
550 * (without javascript the link goes to a page that expects you to verify
551 * the action through a form)
555 NoticeOptionsAjax: function () {
556 $(document).on('click', '.notice-options > a.popup', function (e) {
558 var noticeEl = $(this).closest('.notice');
560 url: $(this).attr('href'),
562 success: function (data, textStatus, xhr) {
563 SN.U.NoticeOptionPopup(data, noticeEl);
570 NoticeOptionPopup: function (data, noticeEl) {
571 title = $('head > title', data).text();
572 body = $('body', data).html();
573 dialog = $(body).dialog({
583 * Setup function -- DOES NOT trigger actions immediately.
585 * Sets up event handlers on all visible notice's reply buttons to
586 * tweak the new-notice form with needed variables and focus it
589 * (This replaces the default reply button behavior to submit
590 * directly to a form which comes back with a specialized page
591 * with the form data prefilled.)
595 NoticeReply: function () {
596 $(document).on('click', '#content .notice_reply', function (e) {
598 var notice = $(this).closest('li.notice');
599 SN.U.NoticeInlineReplyTrigger(notice);
605 * Stub -- kept for compat with plugins for now.
608 NoticeReplyTo: function (notice) {
612 * Open up a notice's inline reply box.
614 * @param {jQuery} notice: jQuery object containing one notice
615 * @param {String} initialText
617 NoticeInlineReplyTrigger: function (notice, initialText) {
618 // Find the notice we're replying to...
619 var id = $($('.notice_id', notice)[0]).text();
621 var parentNotice = notice;
622 var stripForm = true; // strip a couple things out of reply forms that are inline
624 var list = notice.find('.threaded-replies');
625 if (list.length == 0) {
626 list = notice.closest('.threaded-replies');
628 if (list.length == 0) {
629 list = $('<ul class="notices threaded-replies xoxo"></ul>');
631 list = notice.find('.threaded-replies');
634 var nextStep = function () {
636 replyForm.find('input[name=inreplyto]').val(id);
638 // Don't do this for old-school reply form, as they don't come back!
639 replyForm.find('#notice_to').prop('disabled', true).hide();
640 replyForm.find('#notice_private').prop('disabled', true).hide();
641 replyForm.find('label[for=notice_to]').hide();
642 replyForm.find('label[for=notice_private]').hide();
647 var text = replyForm.find('textarea');
648 if (text.length == 0) {
653 replyto = initialText + ' ';
655 text.val(replyto + text.val().replace(new RegExp(replyto, 'i'), ''));
656 text.data('initialText', $.trim(initialText));
658 if (text[0].setSelectionRange) {
659 var len = text.val().length;
660 text[0].setSelectionRange(len, len);
664 // Create the reply form entry
665 var replyItem = $('li.notice-reply', list);
666 if (replyItem.length == 0) {
667 replyItem = $('<li class="notice-reply"></li>');
669 replyForm = replyItem.children('form');
670 if (replyForm.length == 0) {
671 // Let's try another trick to avoid fetching by URL
672 var noticeForm = $('#input_form_status > form');
673 if (noticeForm.length == 0) {
674 // No notice form found on the page, so let's just
675 // fetch a fresh copy of the notice form over AJAX.
677 url: SN.V.urlNewNotice,
678 data: {ajax: 1, inreplyto: id},
679 success: function (data, textStatus, xhr) {
680 var formEl = document._importNode($('form', data)[0], true);
681 replyForm = $(formEl);
682 replyItem.append(replyForm);
683 list.append(replyItem);
685 SN.Init.NoticeFormSetup(replyForm);
689 // We do everything relevant in 'success' above
692 replyForm = noticeForm.clone();
693 SN.Init.NoticeFormSetup(replyForm);
694 replyItem.append(replyForm);
695 list.append(replyItem);
697 // replyForm is set, we're not fetching by URL...
698 // Next setp is to configure in-reply-to etc.
703 * Setup function -- DOES NOT apply immediately.
705 * Uses 'on' rather than 'live' or 'bind', so applies to future as well as present items.
707 NoticeInlineReplySetup: function () {
708 // Expand conversation links
709 $(document).on('click', 'li.notice-reply-comments a', function () {
710 var url = $(this).attr('href');
711 var area = $(this).closest('.threaded-replies');
715 success: function (data, textStatus, xhr) {
716 var replies = $('.threaded-replies', data);
717 if (replies.length) {
718 area.replaceWith(document._importNode(replies[0], true));
727 * Setup function -- DOES NOT trigger actions immediately.
729 * Sets up event handlers for repeat forms to toss up a confirmation
730 * popout before submitting.
732 * Uses 'on' rather than 'live' or 'bind', so applies to future as well as present items.
735 NoticeRepeat: function () {
736 $('body').on('click', '.form_repeat', function (e) {
739 SN.U.NoticeRepeatConfirmation($(this));
745 * Shows a confirmation dialog box variant of the repeat button form.
746 * This seems to use a technique where the repeat form contains
747 * _both_ a standalone button _and_ text and buttons for a dialog.
748 * The dialog will close after its copy of the form is submitted,
749 * or if you click its 'close' button.
751 * The dialog is created by duplicating the original form and changing
752 * its style; while clever, this is hard to generalize and probably
753 * duplicates a lot of unnecessary HTML output.
755 * @fixme create confirmation dialogs through a generalized interface
756 * that can be reused instead of hardcoded text and styles.
758 * @param {jQuery} form
760 NoticeRepeatConfirmation: function (form) {
761 var submit_i = form.find('.submit');
763 var submit = submit_i.clone();
765 .addClass('submit_dialogbox')
766 .removeClass('submit');
768 submit.on('click', function () { SN.U.FormXHR(form); return false; });
773 .addClass('dialogbox')
774 .append('<button class="close" title="' + SN.msg('popup_close_button') + '">×</button>')
775 .closest('.notice-options')
778 form.find('button.close').click(function () {
782 .removeClass('dialogbox')
783 .closest('.notice-options')
784 .removeClass('opaque');
786 form.find('.submit_dialogbox').remove();
787 form.find('.submit').show();
794 * Setup function -- DOES NOT trigger actions immediately.
796 * Goes through all notices currently displayed and sets up attachment
797 * handling if needed.
799 NoticeAttachments: function () {
800 $('.notice a.attachment').each(function () {
801 SN.U.NoticeWithAttachment($(this).closest('.notice'));
806 * Setup function -- DOES NOT trigger actions immediately.
808 * Sets up special attachment link handling if needed. Currently this
809 * consists only of making the "more" button used for OStatus message
810 * cropping turn into an auto-expansion button that loads the full
811 * text from an attachment file.
813 * @param {jQuery} notice
815 NoticeWithAttachment: function (notice) {
816 if (notice.find('.attachment').length === 0) {
820 $(document).on('click','.attachment.more',function () {
822 m.addClass(SN.C.S.Processing);
823 $.get(m.attr('href'), {ajax: 1}, function (data) {
824 m.parent('.e-content').html($(data).find('#attachment_view .e-content').html());
833 * Setup function -- DOES NOT trigger actions immediately.
835 * Sets up event handlers for the file-attachment widget in the
836 * new notice form. When a file is selected, a box will be added
837 * below the text input showing the filename and, if supported
838 * by the browser, a thumbnail preview.
840 * This preview box will also allow removing the attachment
843 * @param {jQuery} form
845 NoticeDataAttach: function (form) {
847 var NDA = form.find('input[type=file]');
848 NDA.change(function (event) {
849 form.find('.attach-status').remove();
851 var filename = $(this).val();
853 // No file -- we've been tricked!
857 var attachStatus = $('<div class="attach-status ' + SN.C.S.Success + '"><code></code> <button class="close">×</button></div>');
858 attachStatus.find('code').text(filename);
859 attachStatus.find('button').click(function () {
860 attachStatus.remove();
865 form.append(attachStatus);
867 if (typeof this.files === "object") {
868 // Some newer browsers will let us fetch the files for preview.
869 for (i = 0; i < this.files.length; i++) {
870 SN.U.PreviewAttach(form, this.files[i]);
877 * Get PHP's MAX_FILE_SIZE setting for this form;
878 * used to apply client-side file size limit checks.
880 * @param {jQuery} form
881 * @return int max size in bytes; 0 or negative means no limit
883 maxFileSize: function (form) {
884 var max = $(form).find('input[name=MAX_FILE_SIZE]').attr('value');
886 return parseInt(max);
892 * For browsers with FileAPI support: make a thumbnail if possible,
893 * and append it into the attachment display widget.
896 * - Firefox 3.6.6, 4.0b7
897 * - Chrome 8.0.552.210
899 * Known ok metadata, can't get contents:
903 * - Opera 10.63, 11 beta (no input.files interface)
905 * @param {jQuery} form
908 * @todo use configured thumbnail size
909 * @todo detect pixel size?
910 * @todo should we render a thumbnail to a canvas and then use the smaller image?
912 PreviewAttach: function (form, file) {
913 var tooltip = file.type + ' ' + Math.round(file.size / 1024) + 'KB';
917 if (window.createObjectURL !== undefined) {
919 * createObjectURL lets us reference the file directly from an <img>
920 * This produces a compact URL with an opaque reference to the file,
921 * which we can reference immediately.
923 * - Firefox 3.6.6: no
924 * - Firefox 4.0b7: no
926 * - Chrome 8.0.552.210: works!
928 blobAsDataURL = function (blob, callback) {
929 callback(window.createObjectURL(blob));
931 } else if (window.FileReader !== undefined) {
933 * FileAPI's FileReader can build a data URL from a blob's contents,
934 * but it must read the file and build it asynchronously. This means
935 * we'll be passing a giant data URL around, which may be inefficient.
937 * - Firefox 3.6.6: works!
938 * - Firefox 4.0b7: works!
940 * - Chrome 8.0.552.210: works!
942 blobAsDataURL = function (blob, callback) {
943 var reader = new FileReader();
944 reader.onload = function (event) {
945 callback(reader.result);
947 reader.readAsDataURL(blob);
953 var imageTypes = ['image/png', 'image/jpeg', 'image/gif', 'image/svg+xml'];
954 if ($.inArray(file.type, imageTypes) == -1) {
955 // We probably don't know how to show the file.
959 var maxSize = 8 * 1024 * 1024;
960 if (file.size > maxSize) {
961 // Don't kill the browser trying to load some giant image.
966 blobAsDataURL(file, function (url) {
968 .attr('title', tooltip)
969 .attr('alt', tooltip)
971 .attr('style', 'height: 120px');
972 form.find('.attach-status').append(img);
975 var img = $('<div></div>').text(tooltip);
976 form.find('.attach-status').append(img);
981 * Setup function -- DOES NOT trigger actions immediately.
983 * Initializes state for the location-lookup features in the
984 * new-notice form. Seems to set up some event handlers for
985 * triggering lookups and using the new values.
987 * @param {jQuery} form
990 * @fixme there's not good visual state update here, so users have a
991 * hard time figuring out if it's working or fixing if it's wrong.
994 NoticeLocationAttach: function (form) {
995 // @fixme this should not be tied to the main notice form, as there may be multiple notice forms...
996 var NLat = form.find('[name=lat]');
997 var NLon = form.find('[name=lon]');
998 var NLNS = form.find('[name=location_ns]').val();
999 var NLID = form.find('[name=location_id]').val();
1000 var NLN = ''; // @fixme
1001 var NDGe = form.find('[name=notice_data-geo]');
1002 var check = form.find('[name=notice_data-geo]');
1003 var label = form.find('label.notice_data-geo');
1005 function removeNoticeDataGeo(error) {
1007 .attr('title', $.trim(label.text()))
1008 .removeClass('checked');
1010 form.find('[name=lat]').val('');
1011 form.find('[name=lon]').val('');
1012 form.find('[name=location_ns]').val('');
1013 form.find('[name=location_id]').val('');
1014 form.find('[name=notice_data-geo]').prop('checked', false);
1016 $.cookie(SN.C.S.NoticeDataGeoCookie, 'disabled', { path: '/' });
1019 form.find('.geo_status_wrapper').removeClass('success').addClass('error');
1020 form.find('.geo_status_wrapper .geo_status').text(error);
1022 form.find('.geo_status_wrapper').remove();
1026 function getJSONgeocodeURL(geocodeURL, data) {
1027 SN.U.NoticeGeoStatus(form, 'Looking up place name...');
1028 $.getJSON(geocodeURL, data, function (location) {
1029 var lns, lid, NLN_text;
1031 if (location.location_ns !== undefined) {
1032 form.find('[name=location_ns]').val(location.location_ns);
1033 lns = location.location_ns;
1036 if (location.location_id !== undefined) {
1037 form.find('[name=location_id]').val(location.location_id);
1038 lid = location.location_id;
1041 if (location.name === undefined) {
1042 NLN_text = data.lat + ';' + data.lon;
1044 NLN_text = location.name;
1047 SN.U.NoticeGeoStatus(form, NLN_text, data.lat, data.lon, location.url);
1049 .attr('title', NoticeDataGeo_text.ShareDisable + ' (' + NLN_text + ')');
1051 form.find('[name=lat]').val(data.lat);
1052 form.find('[name=lon]').val(data.lon);
1053 form.find('[name=location_ns]').val(lns);
1054 form.find('[name=location_id]').val(lid);
1055 form.find('[name=notice_data-geo]').prop('checked', true);
1067 $.cookie(SN.C.S.NoticeDataGeoCookie, JSON.stringify(cookieValue), { path: '/' });
1071 if (check.length > 0) {
1072 if ($.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
1073 check.prop('checked', false);
1075 check.prop('checked', true);
1078 var NGW = form.find('.notice_data-geo_wrap');
1079 var geocodeURL = NGW.attr('data-api');
1081 label.attr('title', label.text());
1083 check.change(function () {
1084 if (check.prop('checked') === true || $.cookie(SN.C.S.NoticeDataGeoCookie) === undefined) {
1086 .attr('title', NoticeDataGeo_text.ShareDisable)
1087 .addClass('checked');
1089 if ($.cookie(SN.C.S.NoticeDataGeoCookie) === undefined || $.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
1090 if (navigator.geolocation) {
1091 SN.U.NoticeGeoStatus(form, 'Requesting location from browser...');
1092 navigator.geolocation.getCurrentPosition(
1093 function (position) {
1094 form.find('[name=lat]').val(position.coords.latitude);
1095 form.find('[name=lon]').val(position.coords.longitude);
1098 lat: position.coords.latitude,
1099 lon: position.coords.longitude,
1100 token: $('#token').val()
1103 getJSONgeocodeURL(geocodeURL, data);
1107 switch(error.code) {
1108 case error.PERMISSION_DENIED:
1109 removeNoticeDataGeo('Location permission denied.');
1112 //$('#' + SN.C.S.NoticeDataGeo).prop('checked', false);
1113 removeNoticeDataGeo('Location lookup timeout.');
1123 if (NLat.length > 0 && NLon.length > 0) {
1127 token: $('#token').val()
1130 getJSONgeocodeURL(geocodeURL, data);
1132 removeNoticeDataGeo();
1139 var cookieValue = JSON.parse($.cookie(SN.C.S.NoticeDataGeoCookie));
1141 form.find('[name=lat]').val(cookieValue.NLat);
1142 form.find('[name=lon]').val(cookieValue.NLon);
1143 form.find('[name=location_ns]').val(cookieValue.NLNS);
1144 form.find('[name=location_id]').val(cookieValue.NLID);
1145 form.find('[name=notice_data-geo]').prop('checked', cookieValue.NDG);
1147 SN.U.NoticeGeoStatus(form, cookieValue.NLN, cookieValue.NLat, cookieValue.NLon, cookieValue.NLNU);
1149 .attr('title', NoticeDataGeo_text.ShareDisable + ' (' + cookieValue.NLN + ')')
1150 .addClass('checked');
1152 console.log('Parsing error:', e);
1156 removeNoticeDataGeo();
1163 * Create or update a geolocation status widget in this notice posting form.
1165 * @param {jQuery} form
1166 * @param {String} status
1167 * @param {String} lat (optional)
1168 * @param {String} lon (optional)
1169 * @param {String} url (optional)
1171 NoticeGeoStatus: function (form, status, lat, lon, url)
1173 var wrapper = form.find('.geo_status_wrapper');
1174 if (wrapper.length == 0) {
1175 wrapper = $('<div class="' + SN.C.S.Success + ' geo_status_wrapper"><button class="close" style="float:right">×</button><div class="geo_status"></div></div>');
1176 wrapper.find('button.close').click(function () {
1177 form.find('[name=notice_data-geo]').prop('checked', false).change();
1180 form.append(wrapper);
1184 label = $('<a></a>').attr('href', url);
1186 label = $('<span></span>');
1190 var latlon = lat + ';' + lon;
1191 label.attr('title', latlon);
1196 wrapper.find('.geo_status').empty().append(label);
1200 * Setup function -- DOES NOT trigger actions immediately.
1202 * Initializes event handlers for the "Send direct message" link on
1203 * profile pages, setting it up to display a dialog box when clicked.
1205 * Unlike the repeat confirmation form, this appears to fetch
1206 * the form _from the original link target_, so the form itself
1207 * doesn't need to be in the current document.
1209 * @fixme breaks ability to open link in new window?
1211 NewDirectMessage: function () {
1212 NDM = $('.entity_send-a-message a');
1213 NDM.attr({'href': NDM.attr('href') + '&ajax=1'});
1214 NDM.on('click', function () {
1215 var NDMF = $('.entity_send-a-message form');
1216 if (NDMF.length === 0) {
1217 $(this).addClass(SN.C.S.Processing);
1218 $.get(NDM.attr('href'), null, function (data) {
1219 $('.entity_send-a-message').append(document._importNode($('form', data)[0], true));
1220 NDMF = $('.entity_send-a-message .form_notice');
1221 SN.U.FormNoticeXHR(NDMF);
1222 SN.U.FormNoticeEnhancements(NDMF);
1223 NDMF.append('<button class="close">×</button>');
1224 $('.entity_send-a-message button').click(function () {
1228 NDM.removeClass(SN.C.S.Processing);
1232 $('.entity_send-a-message textarea').focus();
1239 * Return a date object with the current local time on the
1240 * given year, month, and day.
1242 * @param {number} year: 4-digit year
1243 * @param {number} month: 0 == January
1244 * @param {number} day: 1 == 1
1247 GetFullYear: function (year, month, day) {
1248 var date = new Date();
1249 date.setFullYear(year, month, day);
1255 * Some sort of object interface for storing some structured
1256 * information in a cookie.
1258 * Appears to be used to save the last-used login nickname?
1259 * That's something that browsers usually take care of for us
1260 * these days, do we really need to do it? Does anything else
1261 * use this interface?
1263 * @fixme what is this?
1264 * @fixme should this use non-cookie local storage when available?
1266 StatusNetInstance: {
1268 * @fixme what is this?
1270 Set: function (value) {
1271 var SNI = SN.U.StatusNetInstance.Get();
1273 value = $.extend(SNI, value);
1277 SN.C.S.StatusNetInstance,
1278 JSON.stringify(value),
1281 expires: SN.U.GetFullYear(2029, 0, 1)
1286 * @fixme what is this?
1289 var cookieValue = $.cookie(SN.C.S.StatusNetInstance);
1290 if (cookieValue !== undefined) {
1291 return JSON.parse(cookieValue);
1297 * @fixme what is this?
1299 Delete: function () {
1300 $.removeCookie(SN.C.S.StatusNetInstance);
1305 * Check if the current page is a timeline where the current user's
1306 * posts should be displayed immediately on success.
1308 * @fixme this should be done in a saner way, with machine-readable
1309 * info about what page we're looking at.
1311 * @param {DOMElement} notice: HTML chunk with formatted notice
1314 belongsOnTimeline: function (notice) {
1315 var action = $("body").attr('id');
1316 if (action == 'public') {
1320 var profileLink = $('#nav_profile a').attr('href');
1322 var authorUrl = $(notice).find('.h-card.p-author').attr('href');
1323 if (authorUrl == profileLink) {
1324 if (action == 'all' || action == 'showstream') {
1325 // Posts always show on your own friends and profile streams.
1331 // @fixme tag, group, reply timelines should be feasible as well.
1332 // Mismatch between id-based and name-based user/group links currently complicates
1333 // the lookup, since all our inline mentions contain the absolute links but the
1334 // UI links currently on the page use malleable names.
1340 * Switch to another active input sub-form.
1341 * This will hide the current form (if any), show the new one, and
1342 * update the input type tab selection state.
1344 * @param {String} tag
1346 switchInputFormTab: function (tag, setFocus) {
1347 if (typeof setFocus === 'undefined') { setFocus = true; }
1348 // The one that's current isn't current anymore
1349 $('.input_form_nav_tab.current').removeClass('current');
1351 $('#input_form_nav_' + tag).addClass('current');
1354 // Don't remove 'current' if we also have the "nonav" class.
1355 // An example would be the message input form. removing
1356 // 'current' will cause the form to vanish from the page.
1357 var nonav = $('.input_form.current.nonav');
1358 if (nonav.length > 0) {
1362 $('.input_form.current').removeClass('current');
1364 // we're done here, no new inputform to focus on
1368 var noticeForm = $('#input_form_' + tag)
1369 .addClass('current')
1370 .find('.ajax-notice').each(function () {
1372 SN.Init.NoticeFormSetup(form);
1375 noticeForm.find('.notice_data-text').focus();
1381 showMoreMenuItems: function (menuid) {
1382 $('#' + menuid + ' .more_link').remove();
1383 var selector = '#' + menuid + ' .extended_menu';
1384 var extended = $(selector);
1385 extended.removeClass('extended_menu');
1390 * Show a response feedback bit under a form.
1392 * @param {Element} form: the new-notice form usually
1393 * @param {String} cls: CSS class name to use ('error' or 'success')
1394 * @param {String} text
1397 showFeedback: function (form, cls, text) {
1399 $('<p class="form_response"></p>')
1405 addCallback: function (ename, callback) {
1406 // initialize to array if it's undefined
1407 if (typeof SN._callbacks[ename] === 'undefined') {
1408 SN._callbacks[ename] = [];
1410 SN._callbacks[ename].push(callback);
1413 runCallbacks: function (ename, data) {
1414 if (typeof SN._callbacks[ename] === 'undefined') {
1417 for (cbname in SN._callbacks[ename]) {
1418 SN._callbacks[ename][cbname](data);
1424 /* SN.E.ajaxNoticePosted, called when a notice has been posted successfully via an AJAX form
1425 @param form the originating form element
1426 @param data data from success() callback
1427 @param textStatus textStatus from success() callback
1429 ajaxNoticePosted: function (form, data, textStatus) {
1430 var commandResult = $('#' + SN.C.S.CommandResult, data);
1431 if (commandResult.length > 0) {
1432 SN.U.showFeedback(form, 'success', commandResult.text());
1434 // New notice post was successful. If on our timeline, show it!
1435 var notice = document._importNode($('li', data)[0], true);
1436 var notices = $('#notices_primary .notices:first');
1437 var replyItem = form.closest('li.notice-reply');
1439 if (replyItem.length > 0) {
1440 // If this is an inline reply, remove the form...
1441 var list = form.closest('.threaded-replies');
1443 var id = $(notice).attr('id');
1444 if ($('#' + id).length == 0) {
1445 $(notice).insertBefore(replyItem);
1446 } // else Realtime came through before us...
1450 } else if (notices.length > 0 && SN.U.belongsOnTimeline(notice)) {
1451 // Not a reply. If on our timeline, show it at the top!
1453 if ($('#' + notice.id).length === 0) {
1454 var notice_irt_value = form.find('[name=inreplyto]').val();
1455 var notice_irt = '#notices_primary #notice-' + notice_irt_value;
1456 if ($('body')[0].id == 'conversation') {
1457 if (notice_irt_value.length > 0 && $(notice_irt + ' .notices').length < 1) {
1458 $(notice_irt).append('<ul class="notices"></ul>');
1460 $($(notice_irt + ' .notices')[0]).append(notice);
1462 notices.prepend(notice);
1465 .css({display: 'none'})
1467 SN.U.NoticeWithAttachment($('#' + notice.id));
1468 SN.U.switchInputFormTab(null);
1471 // Not on a timeline that this belongs on?
1472 // Just show a success message.
1474 SN.U.showFeedback(form, 'success', $('title', data).text());
1478 form.find('[name=inreplyto]').val('');
1479 form.find('.attach-status').remove();
1480 SN.U.FormNoticeEnhancements(form);
1482 SN.U.runCallbacks('notice_posted', {"notice": notice});
1489 * If user is logged in, run setup code for the new notice form:
1494 * - file upload events
1496 NoticeForm: function () {
1497 if ($('body.user_in').length > 0) {
1498 // SN.Init.NoticeFormSetup() will get run
1499 // when forms get displayed for the first time...
1501 // Initialize the input form field
1502 $('#input_form_nav .input_form_nav_tab.current').each(function () {
1503 current_tab_id = $(this).attr('id').substring('input_form_nav_'.length);
1504 SN.U.switchInputFormTab(current_tab_id, false);
1507 // Make inline reply forms self-close when clicking out.
1508 $('body').on('click', function (e) {
1509 var openReplies = $('li.notice-reply');
1510 if (openReplies.length > 0) {
1511 var target = $(e.target);
1512 openReplies.each(function () {
1513 // Did we click outside this one?
1514 var replyItem = $(this);
1515 if (replyItem.has(e.target).length == 0) {
1516 var textarea = replyItem.find('.notice_data-text:first');
1517 var cur = $.trim(textarea.val());
1518 // Only close if there's been no edit.
1519 if (cur == '' || cur == textarea.data('initialText')) {
1520 var parentNotice = replyItem.closest('li.notice');
1522 parentNotice.find('li.notice-reply-placeholder').show();
1532 * Encapsulate notice form setup for a single form.
1533 * Plugins can add extra setup by monkeypatching this
1536 * @param {jQuery} form
1538 NoticeFormSetup: function (form) {
1539 if (form.data('NoticeFormSetup')) {
1542 SN.U.NoticeLocationAttach(form);
1543 SN.U.FormNoticeUniqueID(form);
1544 SN.U.FormNoticeXHR(form);
1545 SN.U.FormNoticeEnhancements(form);
1546 SN.U.NoticeDataAttach(form);
1547 form.data('NoticeFormSetup', true);
1551 * Run setup code for notice timeline views items:
1553 * - AJAX submission for fave/repeat/reply (if logged in)
1554 * - Attachment link extras ('more' links)
1556 Notices: function () {
1557 if ($('body.user_in').length > 0) {
1558 SN.U.NoticeRepeat();
1560 SN.U.NoticeInlineReplySetup();
1561 SN.U.NoticeOptionsAjax();
1564 SN.U.NoticeAttachments();
1568 * Run setup code for user & group profile page header area if logged in:
1570 * - AJAX submission for sub/unsub/join/leave/nudge
1571 * - AJAX form popup for direct-message
1573 EntityActions: function () {
1574 if ($('body.user_in').length > 0) {
1575 $(document).on('click', '.form_user_subscribe', function () { SN.U.FormXHR($(this)); return false; });
1576 $(document).on('click', '.form_user_unsubscribe', function () { SN.U.FormXHR($(this)); return false; });
1577 $(document).on('click', '.form_group_join', function () { SN.U.FormXHR($(this)); return false; });
1578 $(document).on('click', '.form_group_leave', function () { SN.U.FormXHR($(this)); return false; });
1579 $(document).on('click', '.form_user_nudge', function () { SN.U.FormXHR($(this)); return false; });
1580 $(document).on('click', '.form_peopletag_subscribe', function () { SN.U.FormXHR($(this)); return false; });
1581 $(document).on('click', '.form_peopletag_unsubscribe', function () { SN.U.FormXHR($(this)); return false; });
1582 $(document).on('click', '.form_user_add_peopletag', function () { SN.U.FormXHR($(this)); return false; });
1583 $(document).on('click', '.form_user_remove_peopletag', function () { SN.U.FormXHR($(this)); return false; });
1585 SN.U.NewDirectMessage();
1589 ProfileSearch: function () {
1590 if ($('body.user_in').length > 0) {
1591 $(document).on('click', '.form_peopletag_edit_user_search input.submit', function () {
1592 SN.U.FormProfileSearchXHR($(this).parents('form')); return false;
1598 * Run setup code for login form:
1600 * - loads saved last-used-nickname from cookie
1601 * - sets event handler to save nickname to cookie on submit
1603 * @fixme is this necessary? Browsers do their own form saving these days.
1605 Login: function () {
1606 if (SN.U.StatusNetInstance.Get() !== null) {
1607 var nickname = SN.U.StatusNetInstance.Get().Nickname;
1608 if (nickname !== null) {
1609 $('#form_login #nickname').val(nickname);
1613 $('#form_login').on('submit', function () {
1614 SN.U.StatusNetInstance.Set({Nickname: $('#form_login #nickname').val()});
1620 * Run setup for the ajax people tags editor
1622 * - show edit button
1623 * - set event handle for click on edit button
1624 * - loads people tag autocompletion data if not already present
1625 * or if it is stale.
1628 PeopleTags: function () {
1629 $('.user_profile_tags .editable').append($('<button class="peopletags_edit_button"/>'));
1631 $(document).on('click', '.peopletags_edit_button', function () {
1632 var form = $(this).parents('dd').eq(0).find('form');
1633 // We can buy time from the above animation
1638 data: {token: $('#token').val()},
1640 success: function (data) {
1641 // item.label is used to match
1642 for (i=0; i < data.length; i++) {
1643 data[i].label = data[i].tag;
1646 SN.C.PtagACData = data;
1650 $(this).parents('ul').eq(0).fadeOut(200, function () {form.fadeIn(200).find('input#tags')});
1653 $(document).on('click', '.user_profile_tags form .submit', function () {
1654 SN.U.FormPeopletagsXHR($(this).parents('form')); return false;
1659 * Set up any generic 'ajax' form so it submits via AJAX with auto-replacement.
1661 AjaxForms: function () {
1662 $(document).on('submit', 'form.ajax', function () {
1663 SN.U.FormXHR($(this));
1666 $(document).on('click', 'form.ajax input[type=submit]', function () {
1667 // Some forms rely on knowing which submit button was clicked.
1668 // Save a hidden input field which'll be picked up during AJAX
1670 var button = $(this);
1671 var form = button.closest('form');
1672 form.find('.hidden-submit-button').remove();
1673 $('<input class="hidden-submit-button" type="hidden" />')
1674 .attr('name', button.attr('name'))
1681 * Add logic to any file upload forms to handle file size limits,
1682 * on browsers that support basic FileAPI.
1684 UploadForms: function () {
1685 $('input[type=file]').change(function (event) {
1686 if (typeof this.files === "object" && this.files.length > 0) {
1688 for (var i = 0; i < this.files.length; i++) {
1689 size += this.files[i].size;
1692 var max = SN.U.maxFileSize($(this.form));
1693 if (max > 0 && size > max) {
1694 var msg = 'File too large: maximum upload size is %d bytes.';
1695 alert(msg.replace('%d', max));
1699 event.preventDefault();
1706 CheckBoxes: function () {
1707 $("span[class='checkbox-wrapper']").addClass("unchecked");
1708 $(".checkbox-wrapper").click(function () {
1709 if ($(this).children("input").prop("checked")) {
1711 $(this).children("input").prop("checked", false);
1712 $(this).removeClass("checked");
1713 $(this).addClass("unchecked");
1714 $(this).children("label").text("Private?");
1717 $(this).children("input").prop("checked", true);
1718 $(this).removeClass("unchecked");
1719 $(this).addClass("checked");
1720 $(this).children("label").text("Private");
1728 * Run initialization functions on DOM-ready.
1730 * Note that if we're waiting on other scripts to load, this won't happen
1731 * until that's done. To load scripts asynchronously without delaying setup,
1732 * don't start them loading until after DOM-ready time!
1735 SN.Init.AjaxForms();
1736 SN.Init.UploadForms();
1737 SN.Init.CheckBoxes();
1738 if ($('.' + SN.C.S.FormNotice).length > 0) {
1739 SN.Init.NoticeForm();
1741 if ($('#content .notices').length > 0) {
1744 if ($('#content .entity_actions').length > 0) {
1745 SN.Init.EntityActions();
1747 if ($('#form_login').length > 0) {
1750 if ($('#profile_search_results').length > 0) {
1751 SN.Init.ProfileSearch();
1753 if ($('.user_profile_tags .editable').length > 0) {
1754 SN.Init.PeopleTags();