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\-_.]*$/,
34 HTTP20x30x: [200, 201, 202, 203, 204, 205, 206, 300, 301, 302, 303, 304, 305, 306, 307],
38 * @fixme are these worth the trouble? They seem to mostly just duplicate
39 * themselves while slightly obscuring the actual selector, so it's hard
40 * to pop over to the HTML and find something.
42 * In theory, minification could reduce them to shorter variable names,
43 * but at present that doesn't happen with yui-compressor.
50 Processing: 'processing',
51 CommandResult: 'command_result',
52 FormNotice: 'form_notice',
53 NoticeDataGeo: 'notice_data-geo',
54 NoticeDataGeoCookie: 'NoticeDataGeo',
55 NoticeDataGeoSelected: 'notice_data-geo_selected',
56 StatusNetInstance: 'StatusNetInstance'
64 * Map of localized message strings exported to script from the PHP
65 * side via Action::getScriptMessages().
67 * Retrieve them via SN.msg(); this array is an implementation detail.
74 * Grabs a localized string that's been previously exported to us
75 * from server-side code via Action::getScriptMessages().
77 * @example alert(SN.msg('coolplugin-failed'));
79 * @param {String} key: string key name to pull from message index
80 * @return matching localized message string
83 if (SN.messages[key] === undefined) {
84 return '[' + key + ']';
86 return SN.messages[key];
91 * Setup function -- DOES NOT trigger actions immediately.
93 * Sets up event handlers on the new notice form.
95 * @param {jQuery} form: jQuery object whose first matching element is the form
98 FormNoticeEnhancements: function (form) {
99 if ($.data(form[0], 'ElementData') === undefined) {
100 var MaxLength = form.find('.count').text();
101 if (MaxLength === undefined) {
102 MaxLength = SN.C.I.MaxLength;
104 $.data(form[0], 'ElementData', {MaxLength: MaxLength});
108 var NDT = form.find('.notice_data-text:first');
110 NDT.on('keyup', function (e) {
114 var delayedUpdate = function (e) {
115 // Cut and paste events fire *before* the operation,
116 // so we need to trigger an update in a little bit.
117 // This would be so much easier if the 'change' event
118 // actually fired every time the value changed. :P
119 window.setTimeout(function () {
123 // Note there's still no event for mouse-triggered 'delete'.
124 NDT.on('cut', delayedUpdate)
125 .on('paste', delayedUpdate);
127 form.find('.count').text($.data(form[0], 'ElementData').MaxLength);
132 * To be called from event handlers on the notice import form.
133 * Triggers an update of the remaining-characters counter.
135 * Additional counter updates will be suppressed during the
136 * next half-second to avoid flooding the layout engine with
137 * updates, followed by another automatic check.
139 * The maximum length is pulled from data established by
140 * FormNoticeEnhancements.
142 * @param {jQuery} form: jQuery object whose first element is the notice posting form
145 Counter: function (form) {
146 SN.C.I.FormNoticeCurrent = form;
148 var MaxLength = $.data(form[0], 'ElementData').MaxLength;
150 if (MaxLength <= 0) {
154 var remaining = MaxLength - SN.U.CharacterCount(form);
155 var counter = form.find('.count');
157 if (remaining.toString() != counter.text()) {
158 if (!SN.C.I.CounterBlackout || remaining === 0) {
159 if (counter.text() != String(remaining)) {
160 counter.text(remaining);
163 form.addClass(SN.C.S.Warning);
165 form.removeClass(SN.C.S.Warning);
167 // Skip updates for the next 500ms.
168 // On slower hardware, updating on every keypress is unpleasant.
169 if (!SN.C.I.CounterBlackout) {
170 SN.C.I.CounterBlackout = true;
171 SN.C.I.FormNoticeCurrent = form;
172 window.setTimeout("SN.U.ClearCounterBlackout(SN.C.I.FormNoticeCurrent);", 500);
179 * Pull the count of characters in the current edit field.
180 * Plugins replacing the edit control may need to override this.
182 * @param {jQuery} form: jQuery object whose first element is the notice posting form
183 * @return number of chars
185 CharacterCount: function (form) {
186 return form.find('.notice_data-text:first').val().length;
190 * Called internally after the counter update blackout period expires;
191 * runs another update to make sure we didn't miss anything.
193 * @param {jQuery} form: jQuery object whose first element is the notice posting form
196 ClearCounterBlackout: function (form) {
197 // Allow keyup events to poke the counter again
198 SN.C.I.CounterBlackout = false;
199 // Check if the string changed since we last looked
204 * Helper function to rewrite default HTTP form action URLs to HTTPS
205 * so we can actually fetch them when on an SSL page in ssl=sometimes
208 * It would be better to output URLs that didn't hardcode protocol
209 * and hostname in the first place...
211 * @param {String} url
214 RewriteAjaxAction: function (url) {
215 // Quick hack: rewrite AJAX submits to HTTPS if they'd fail otherwise.
216 if (document.location.protocol === 'https:' && url.substr(0, 5) === 'http:') {
217 return url.replace(/^http:\/\/[^:\/]+/, 'https://' + document.location.host);
222 FormNoticeUniqueID: function (form) {
223 var oldId = form.attr('id');
224 var newId = 'form_notice_' + Math.floor(Math.random()*999999999);
225 var attrs = ['name', 'for', 'id'];
226 for (var key in attrs) {
227 if (form.attr(attrs[key]) === undefined) {
230 form.attr(attrs[key], form.attr(attrs[key]).replace(oldId, newId));
232 for (var key in attrs) {
233 form.find("[" + attrs[key] + "*='" + oldId + "']").each(function () {
234 if ($(this).attr(attrs[key]) === undefined) {
235 return; // since we're inside the each(function () { ... });
237 var newAttr = $(this).attr(attrs[key]).replace(oldId, newId);
238 $(this).attr(attrs[key], newAttr);
244 * Grabs form data and submits it asynchronously, with 'ajax=1'
245 * parameter added to the rest.
247 * If a successful response includes another form, that form
248 * will be extracted and copied in, replacing the original form.
249 * If there's no form, the first paragraph will be used.
251 * This will automatically be applied on the 'submit' event for
252 * any form with the 'ajax' class.
254 * @fixme can sometimes explode confusingly if returnd data is bogus
255 * @fixme error handling is pretty vague
256 * @fixme can't submit file uploads
258 * @param {jQuery} form: jQuery object whose first element is a form
259 * @param function onSuccess: something extra to do on success
263 FormXHR: function (form, onSuccess) {
267 url: SN.U.RewriteAjaxAction(form.attr('action')),
268 data: form.serialize() + '&ajax=1',
269 beforeSend: function (xhr) {
271 .addClass(SN.C.S.Processing)
273 .addClass(SN.C.S.Disabled)
274 .prop(SN.C.S.Disabled, true);
276 error: function (xhr, textStatus, errorThrown) {
277 // If the server end reported an error from StatusNet,
278 // find it -- otherwise we'll see what was reported
280 var errorReported = null;
281 if (xhr.responseXML) {
282 errorReported = $('#error', xhr.responseXML).text();
284 window.alert(errorReported || errorThrown || textStatus);
286 // Restore the form to original state.
289 .removeClass(SN.C.S.Processing)
291 .removeClass(SN.C.S.Disabled)
292 .prop(SN.C.S.Disabled, false);
294 success: function (data, textStatus) {
295 if ($('form', data)[0] !== undefined) {
296 var form_new = document._importNode($('form', data)[0], true);
297 form.replaceWith(form_new);
301 } else if ($('p', data)[0] !== undefined) {
302 form.replaceWith(document._importNode($('p', data)[0], true));
307 window.alert('Unknown error.');
314 * Setup function -- DOES NOT trigger actions immediately.
316 * Sets up event handlers for special-cased async submission of the
317 * notice-posting form, including some pre-post validation.
319 * Unlike FormXHR() this does NOT submit the form immediately!
320 * It sets up event handlers so that any method of submitting the
321 * form (click on submit button, enter, submit() etc) will trigger
324 * Also unlike FormXHR(), this system will use a hidden iframe
325 * automatically to handle file uploads via <input type="file">
329 * @fixme vast swaths of duplicate code and really long variable names clutter this function up real bad
330 * @fixme error handling is unreliable
331 * @fixme cookieValue is a global variable, but probably shouldn't be
332 * @fixme saving the location cache cookies should be split out
333 * @fixme some error messages are hardcoded english: needs i18n
335 * @param {jQuery} form: jQuery object whose first element is a form
339 FormNoticeXHR: function (form) {
340 SN.C.I.NoticeDataGeo = {};
341 form.append('<input type="hidden" name="ajax" value="1"/>');
343 // Make sure we don't have a mixed HTTP/HTTPS submission...
344 form.attr('action', SN.U.RewriteAjaxAction(form.attr('action')));
347 * Hide the previous response feedback, if any.
349 var removeFeedback = function () {
350 form.find('.form_response').remove();
356 beforeSend: function (formData) {
357 if (form.find('.notice_data-text:first').val() == '') {
358 form.addClass(SN.C.S.Warning);
362 .addClass(SN.C.S.Processing)
364 .addClass(SN.C.S.Disabled)
365 .prop(SN.C.S.Disabled, true);
367 SN.U.normalizeGeoData(form);
371 error: function (xhr, textStatus, errorThrown) {
373 .removeClass(SN.C.S.Processing)
375 .removeClass(SN.C.S.Disabled)
376 .prop(SN.C.S.Disabled, false);
378 if (textStatus == 'timeout') {
380 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.');
382 var response = SN.U.GetResponseXML(xhr);
383 if ($('.' + SN.C.S.Error, response).length > 0) {
384 form.append(document._importNode($('.' + SN.C.S.Error, response)[0], true));
386 if (parseInt(xhr.status) === 0 || $.inArray(parseInt(xhr.status), SN.C.I.HTTP20x30x) >= 0) {
389 .find('.attach-status').remove();
390 SN.U.FormNoticeEnhancements(form);
393 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.');
398 success: function (data, textStatus) {
400 var errorResult = $('#' + SN.C.S.Error, data);
401 if (errorResult.length > 0) {
402 SN.U.showFeedback(form, 'error', errorResult.text());
404 SN.E.ajaxNoticePosted(form, data, textStatus);
407 complete: function (xhr, textStatus) {
409 .removeClass(SN.C.S.Processing)
411 .prop(SN.C.S.Disabled, false)
412 .removeClass(SN.C.S.Disabled);
414 form.find('[name=lat]').val(SN.C.I.NoticeDataGeo.NLat);
415 form.find('[name=lon]').val(SN.C.I.NoticeDataGeo.NLon);
416 form.find('[name=location_ns]').val(SN.C.I.NoticeDataGeo.NLNS);
417 form.find('[name=location_id]').val(SN.C.I.NoticeDataGeo.NLID);
418 form.find('[name=notice_data-geo]').prop('checked', SN.C.I.NoticeDataGeo.NDG);
423 FormProfileSearchXHR: function (form) {
427 url: form.attr('action'),
428 data: form.serialize() + '&ajax=1',
429 beforeSend: function (xhr) {
431 .addClass(SN.C.S.Processing)
433 .addClass(SN.C.S.Disabled)
434 .prop(SN.C.S.Disabled, true);
436 error: function (xhr, textStatus, errorThrown) {
437 window.alert(errorThrown || textStatus);
439 success: function (data, textStatus) {
440 var results_placeholder = $('#profile_search_results');
441 if ($('ul', data)[0] !== undefined) {
442 var list = document._importNode($('ul', data)[0], true);
443 results_placeholder.replaceWith(list);
445 var _error = $('<li/>').append(document._importNode($('p', data)[0], true));
446 results_placeholder.html(_error);
449 .removeClass(SN.C.S.Processing)
451 .removeClass(SN.C.S.Disabled)
452 .prop(SN.C.S.Disabled, false);
457 FormPeopletagsXHR: function (form) {
461 url: form.attr('action'),
462 data: form.serialize() + '&ajax=1',
463 beforeSend: function (xhr) {
465 .addClass(SN.C.S.Processing)
466 .addClass(SN.C.S.Disabled)
467 .prop(SN.C.S.Disabled, true);
469 error: function (xhr, textStatus, errorThrown) {
470 window.alert(errorThrown || textStatus);
472 success: function (data, textStatus) {
473 var results_placeholder = form.parents('.entity_tags');
474 if ($('.entity_tags', data)[0] !== undefined) {
475 var tags = document._importNode($('.entity_tags', data)[0], true);
476 $(tags).find('.editable').append($('<button class="peopletags_edit_button"/>'));
477 results_placeholder.replaceWith(tags);
479 results_placeholder.find('p').remove();
480 results_placeholder.append(document._importNode($('p', data)[0], true));
481 form.removeClass(SN.C.S.Processing)
483 .removeClass(SN.C.S.Disabled)
484 .prop(SN.C.S.Disabled, false);
490 normalizeGeoData: function (form) {
491 SN.C.I.NoticeDataGeo.NLat = form.find('[name=lat]').val();
492 SN.C.I.NoticeDataGeo.NLon = form.find('[name=lon]').val();
493 SN.C.I.NoticeDataGeo.NLNS = form.find('[name=location_ns]').val();
494 SN.C.I.NoticeDataGeo.NLID = form.find('[name=location_id]').val();
495 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').prop('checked'); // @fixme (does this still need to be fixed somehow?)
497 var cookieValue = $.cookie(SN.C.S.NoticeDataGeoCookie);
499 if (cookieValue !== undefined && cookieValue != 'disabled') {
500 cookieValue = JSON.parse(cookieValue);
501 SN.C.I.NoticeDataGeo.NLat = form.find('[name=lat]').val(cookieValue.NLat).val();
502 SN.C.I.NoticeDataGeo.NLon = form.find('[name=lon]').val(cookieValue.NLon).val();
503 if (cookieValue.NLNS) {
504 SN.C.I.NoticeDataGeo.NLNS = form.find('[name=location_ns]').val(cookieValue.NLNS).val();
505 SN.C.I.NoticeDataGeo.NLID = form.find('[name=location_id]').val(cookieValue.NLID).val();
507 form.find('[name=location_ns]').val('');
508 form.find('[name=location_id]').val('');
511 if (cookieValue == 'disabled') {
512 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').prop('checked', false).prop('checked');
514 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').prop('checked', true).prop('checked');
520 * Fetch an XML DOM from an XHR's response data.
522 * Works around unavailable responseXML when document.domain
523 * has been modified by Meteor or other tools, in some but not
526 * @param {XMLHTTPRequest} xhr
527 * @return DOMDocument
529 GetResponseXML: function (xhr) {
531 return xhr.responseXML;
533 return (new DOMParser()).parseFromString(xhr.responseText, "text/xml");
538 * Setup function -- DOES NOT trigger actions immediately.
540 * Sets up event handlers on all visible notice's option <a> elements
541 * with the "popup" class so they behave as expected with AJAX.
543 * (without javascript the link goes to a page that expects you to verify
544 * the action through a form)
548 NoticeOptionsAjax: function () {
549 $(document).on('click', '.notice-options > a.popup', function (e) {
551 var noticeEl = $(this).closest('.notice');
553 url: $(this).attr('href'),
555 success: function (data, textStatus, xhr) {
556 SN.U.NoticeOptionPopup(data, noticeEl);
563 NoticeOptionPopup: function (data, noticeEl) {
564 title = $('head > title', data).text();
565 body = $('body', data).html();
566 dialog = $(body).dialog({
576 * Setup function -- DOES NOT trigger actions immediately.
578 * Sets up event handlers on all visible notice's reply buttons to
579 * tweak the new-notice form with needed variables and focus it
582 * (This replaces the default reply button behavior to submit
583 * directly to a form which comes back with a specialized page
584 * with the form data prefilled.)
588 NoticeReply: function () {
589 $(document).on('click', '#content .notice_reply', function (e) {
591 var notice = $(this).closest('li.notice');
592 SN.U.NoticeInlineReplyTrigger(notice);
598 * Stub -- kept for compat with plugins for now.
601 NoticeReplyTo: function (notice) {
605 * Open up a notice's inline reply box.
607 * @param {jQuery} notice: jQuery object containing one notice
608 * @param {String} initialText
610 NoticeInlineReplyTrigger: function (notice, initialText) {
611 // Find the notice we're replying to...
612 var id = $($('.notice_id', notice)[0]).text();
614 var parentNotice = notice;
615 var stripForm = true; // strip a couple things out of reply forms that are inline
617 var list = notice.find('.threaded-replies');
618 if (list.length == 0) {
619 list = notice.closest('.threaded-replies');
621 if (list.length == 0) {
622 list = $('<ul class="notices threaded-replies xoxo"></ul>');
624 list = notice.find('.threaded-replies');
627 var nextStep = function () {
629 replyForm.find('input[name=inreplyto]').val(id);
631 // Don't do this for old-school reply form, as they don't come back!
632 replyForm.find('#notice_to').prop('disabled', true).hide();
633 replyForm.find('#notice_private').prop('disabled', true).hide();
634 replyForm.find('label[for=notice_to]').hide();
635 replyForm.find('label[for=notice_private]').hide();
640 var text = replyForm.find('textarea');
641 if (text.length == 0) {
646 replyto = initialText + ' ';
648 text.val(replyto + text.val().replace(new RegExp(replyto, 'i'), ''));
649 text.data('initialText', $.trim(initialText));
651 if (text[0].setSelectionRange) {
652 var len = text.val().length;
653 text[0].setSelectionRange(len, len);
657 // Create the reply form entry
658 var replyItem = $('li.notice-reply', list);
659 if (replyItem.length == 0) {
660 replyItem = $('<li class="notice-reply"></li>');
662 replyForm = replyItem.children('form');
663 if (replyForm.length == 0) {
664 // Let's try another trick to avoid fetching by URL
665 var noticeForm = $('#input_form_status > form');
666 if (noticeForm.length == 0) {
667 // No notice form found on the page, so let's just
668 // fetch a fresh copy of the notice form over AJAX.
670 url: SN.V.urlNewNotice,
671 data: {ajax: 1, inreplyto: id},
672 success: function (data, textStatus, xhr) {
673 var formEl = document._importNode($('form', data)[0], true);
674 replyForm = $(formEl);
675 replyItem.append(replyForm);
676 list.append(replyItem);
678 SN.Init.NoticeFormSetup(replyForm);
682 // We do everything relevant in 'success' above
685 replyForm = noticeForm.clone();
686 SN.Init.NoticeFormSetup(replyForm);
687 replyItem.append(replyForm);
688 list.append(replyItem);
690 // replyForm is set, we're not fetching by URL...
691 // Next setp is to configure in-reply-to etc.
696 * Setup function -- DOES NOT apply immediately.
698 * Uses 'on' rather than 'live' or 'bind', so applies to future as well as present items.
700 NoticeInlineReplySetup: function () {
701 // Expand conversation links
702 $(document).on('click', 'li.notice-reply-comments a', function () {
703 var url = $(this).attr('href');
704 var area = $(this).closest('.threaded-replies');
708 success: function (data, textStatus, xhr) {
709 var replies = $('.threaded-replies', data);
710 if (replies.length) {
711 area.replaceWith(document._importNode(replies[0], true));
720 * Setup function -- DOES NOT trigger actions immediately.
722 * Sets up event handlers for repeat forms to toss up a confirmation
723 * popout before submitting.
725 * Uses 'on' rather than 'live' or 'bind', so applies to future as well as present items.
728 NoticeRepeat: function () {
729 $('body').on('click', '.form_repeat', function (e) {
732 SN.U.NoticeRepeatConfirmation($(this));
738 * Shows a confirmation dialog box variant of the repeat button form.
739 * This seems to use a technique where the repeat form contains
740 * _both_ a standalone button _and_ text and buttons for a dialog.
741 * The dialog will close after its copy of the form is submitted,
742 * or if you click its 'close' button.
744 * The dialog is created by duplicating the original form and changing
745 * its style; while clever, this is hard to generalize and probably
746 * duplicates a lot of unnecessary HTML output.
748 * @fixme create confirmation dialogs through a generalized interface
749 * that can be reused instead of hardcoded text and styles.
751 * @param {jQuery} form
753 NoticeRepeatConfirmation: function (form) {
754 var submit_i = form.find('.submit');
756 var submit = submit_i.clone();
758 .addClass('submit_dialogbox')
759 .removeClass('submit');
761 submit.on('click', function () { SN.U.FormXHR(form); return false; });
766 .addClass('dialogbox')
767 .append('<button class="close">×</button>')
768 .closest('.notice-options')
771 form.find('button.close').click(function () {
775 .removeClass('dialogbox')
776 .closest('.notice-options')
777 .removeClass('opaque');
779 form.find('.submit_dialogbox').remove();
780 form.find('.submit').show();
787 * Setup function -- DOES NOT trigger actions immediately.
789 * Goes through all notices currently displayed and sets up attachment
790 * handling if needed.
792 NoticeAttachments: function () {
793 $('.notice a.attachment').each(function () {
794 SN.U.NoticeWithAttachment($(this).closest('.notice'));
799 * Setup function -- DOES NOT trigger actions immediately.
801 * Sets up special attachment link handling if needed. Currently this
802 * consists only of making the "more" button used for OStatus message
803 * cropping turn into an auto-expansion button that loads the full
804 * text from an attachment file.
806 * @param {jQuery} notice
808 NoticeWithAttachment: function (notice) {
809 if (notice.find('.attachment').length === 0) {
813 $(document).on('click','.attachment.more',function () {
815 m.addClass(SN.C.S.Processing);
816 $.get(m.attr('href'), {ajax: 1}, function (data) {
817 m.parent('.e-content').html($(data).find('#attachment_view .e-content').html());
826 * Setup function -- DOES NOT trigger actions immediately.
828 * Sets up event handlers for the file-attachment widget in the
829 * new notice form. When a file is selected, a box will be added
830 * below the text input showing the filename and, if supported
831 * by the browser, a thumbnail preview.
833 * This preview box will also allow removing the attachment
836 * @param {jQuery} form
838 NoticeDataAttach: function (form) {
840 var NDA = form.find('input[type=file]');
841 NDA.change(function (event) {
842 form.find('.attach-status').remove();
844 var filename = $(this).val();
846 // No file -- we've been tricked!
850 var attachStatus = $('<div class="attach-status ' + SN.C.S.Success + '"><code></code> <button class="close">×</button></div>');
851 attachStatus.find('code').text(filename);
852 attachStatus.find('button').click(function () {
853 attachStatus.remove();
858 form.append(attachStatus);
860 if (typeof this.files === "object") {
861 // Some newer browsers will let us fetch the files for preview.
862 for (i = 0; i < this.files.length; i++) {
863 SN.U.PreviewAttach(form, this.files[i]);
870 * Get PHP's MAX_FILE_SIZE setting for this form;
871 * used to apply client-side file size limit checks.
873 * @param {jQuery} form
874 * @return int max size in bytes; 0 or negative means no limit
876 maxFileSize: function (form) {
877 var max = $(form).find('input[name=MAX_FILE_SIZE]').attr('value');
879 return parseInt(max);
885 * For browsers with FileAPI support: make a thumbnail if possible,
886 * and append it into the attachment display widget.
889 * - Firefox 3.6.6, 4.0b7
890 * - Chrome 8.0.552.210
892 * Known ok metadata, can't get contents:
896 * - Opera 10.63, 11 beta (no input.files interface)
898 * @param {jQuery} form
901 * @todo use configured thumbnail size
902 * @todo detect pixel size?
903 * @todo should we render a thumbnail to a canvas and then use the smaller image?
905 PreviewAttach: function (form, file) {
906 var tooltip = file.type + ' ' + Math.round(file.size / 1024) + 'KB';
910 if (window.createObjectURL !== undefined) {
912 * createObjectURL lets us reference the file directly from an <img>
913 * This produces a compact URL with an opaque reference to the file,
914 * which we can reference immediately.
916 * - Firefox 3.6.6: no
917 * - Firefox 4.0b7: no
919 * - Chrome 8.0.552.210: works!
921 blobAsDataURL = function (blob, callback) {
922 callback(window.createObjectURL(blob));
924 } else if (window.FileReader !== undefined) {
926 * FileAPI's FileReader can build a data URL from a blob's contents,
927 * but it must read the file and build it asynchronously. This means
928 * we'll be passing a giant data URL around, which may be inefficient.
930 * - Firefox 3.6.6: works!
931 * - Firefox 4.0b7: works!
933 * - Chrome 8.0.552.210: works!
935 blobAsDataURL = function (blob, callback) {
936 var reader = new FileReader();
937 reader.onload = function (event) {
938 callback(reader.result);
940 reader.readAsDataURL(blob);
946 var imageTypes = ['image/png', 'image/jpeg', 'image/gif', 'image/svg+xml'];
947 if ($.inArray(file.type, imageTypes) == -1) {
948 // We probably don't know how to show the file.
952 var maxSize = 8 * 1024 * 1024;
953 if (file.size > maxSize) {
954 // Don't kill the browser trying to load some giant image.
959 blobAsDataURL(file, function (url) {
961 .attr('title', tooltip)
962 .attr('alt', tooltip)
964 .attr('style', 'height: 120px');
965 form.find('.attach-status').append(img);
968 var img = $('<div></div>').text(tooltip);
969 form.find('.attach-status').append(img);
974 * Setup function -- DOES NOT trigger actions immediately.
976 * Initializes state for the location-lookup features in the
977 * new-notice form. Seems to set up some event handlers for
978 * triggering lookups and using the new values.
980 * @param {jQuery} form
983 * @fixme there's not good visual state update here, so users have a
984 * hard time figuring out if it's working or fixing if it's wrong.
987 NoticeLocationAttach: function (form) {
988 // @fixme this should not be tied to the main notice form, as there may be multiple notice forms...
989 var NLat = form.find('[name=lat]');
990 var NLon = form.find('[name=lon]');
991 var NLNS = form.find('[name=location_ns]').val();
992 var NLID = form.find('[name=location_id]').val();
993 var NLN = ''; // @fixme
994 var NDGe = form.find('[name=notice_data-geo]');
995 var check = form.find('[name=notice_data-geo]');
996 var label = form.find('label.notice_data-geo');
998 function removeNoticeDataGeo(error) {
1000 .attr('title', $.trim(label.text()))
1001 .removeClass('checked');
1003 form.find('[name=lat]').val('');
1004 form.find('[name=lon]').val('');
1005 form.find('[name=location_ns]').val('');
1006 form.find('[name=location_id]').val('');
1007 form.find('[name=notice_data-geo]').prop('checked', false);
1009 $.cookie(SN.C.S.NoticeDataGeoCookie, 'disabled', { path: '/' });
1012 form.find('.geo_status_wrapper').removeClass('success').addClass('error');
1013 form.find('.geo_status_wrapper .geo_status').text(error);
1015 form.find('.geo_status_wrapper').remove();
1019 function getJSONgeocodeURL(geocodeURL, data) {
1020 SN.U.NoticeGeoStatus(form, 'Looking up place name...');
1021 $.getJSON(geocodeURL, data, function (location) {
1022 var lns, lid, NLN_text;
1024 if (location.location_ns !== undefined) {
1025 form.find('[name=location_ns]').val(location.location_ns);
1026 lns = location.location_ns;
1029 if (location.location_id !== undefined) {
1030 form.find('[name=location_id]').val(location.location_id);
1031 lid = location.location_id;
1034 if (location.name === undefined) {
1035 NLN_text = data.lat + ';' + data.lon;
1037 NLN_text = location.name;
1040 SN.U.NoticeGeoStatus(form, NLN_text, data.lat, data.lon, location.url);
1042 .attr('title', NoticeDataGeo_text.ShareDisable + ' (' + NLN_text + ')');
1044 form.find('[name=lat]').val(data.lat);
1045 form.find('[name=lon]').val(data.lon);
1046 form.find('[name=location_ns]').val(lns);
1047 form.find('[name=location_id]').val(lid);
1048 form.find('[name=notice_data-geo]').prop('checked', true);
1060 $.cookie(SN.C.S.NoticeDataGeoCookie, JSON.stringify(cookieValue), { path: '/' });
1064 if (check.length > 0) {
1065 if ($.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
1066 check.prop('checked', false);
1068 check.prop('checked', true);
1071 var NGW = form.find('.notice_data-geo_wrap');
1072 var geocodeURL = NGW.attr('data-api');
1074 label.attr('title', label.text());
1076 check.change(function () {
1077 if (check.prop('checked') === true || $.cookie(SN.C.S.NoticeDataGeoCookie) === null) {
1079 .attr('title', NoticeDataGeo_text.ShareDisable)
1080 .addClass('checked');
1082 if ($.cookie(SN.C.S.NoticeDataGeoCookie) === null || $.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
1083 if (navigator.geolocation) {
1084 SN.U.NoticeGeoStatus(form, 'Requesting location from browser...');
1085 navigator.geolocation.getCurrentPosition(
1086 function (position) {
1087 form.find('[name=lat]').val(position.coords.latitude);
1088 form.find('[name=lon]').val(position.coords.longitude);
1091 lat: position.coords.latitude,
1092 lon: position.coords.longitude,
1093 token: $('#token').val()
1096 getJSONgeocodeURL(geocodeURL, data);
1100 switch(error.code) {
1101 case error.PERMISSION_DENIED:
1102 removeNoticeDataGeo('Location permission denied.');
1105 //$('#' + SN.C.S.NoticeDataGeo).prop('checked', false);
1106 removeNoticeDataGeo('Location lookup timeout.');
1116 if (NLat.length > 0 && NLon.length > 0) {
1120 token: $('#token').val()
1123 getJSONgeocodeURL(geocodeURL, data);
1125 removeNoticeDataGeo();
1132 var cookieValue = JSON.parse($.cookie(SN.C.S.NoticeDataGeoCookie));
1134 form.find('[name=lat]').val(cookieValue.NLat);
1135 form.find('[name=lon]').val(cookieValue.NLon);
1136 form.find('[name=location_ns]').val(cookieValue.NLNS);
1137 form.find('[name=location_id]').val(cookieValue.NLID);
1138 form.find('[name=notice_data-geo]').prop('checked', cookieValue.NDG);
1140 SN.U.NoticeGeoStatus(form, cookieValue.NLN, cookieValue.NLat, cookieValue.NLon, cookieValue.NLNU);
1142 .attr('title', NoticeDataGeo_text.ShareDisable + ' (' + cookieValue.NLN + ')')
1143 .addClass('checked');
1145 console.log('Parsing error:', e);
1149 removeNoticeDataGeo();
1156 * Create or update a geolocation status widget in this notice posting form.
1158 * @param {jQuery} form
1159 * @param {String} status
1160 * @param {String} lat (optional)
1161 * @param {String} lon (optional)
1162 * @param {String} url (optional)
1164 NoticeGeoStatus: function (form, status, lat, lon, url)
1166 var wrapper = form.find('.geo_status_wrapper');
1167 if (wrapper.length == 0) {
1168 wrapper = $('<div class="' + SN.C.S.Success + ' geo_status_wrapper"><button class="close" style="float:right">×</button><div class="geo_status"></div></div>');
1169 wrapper.find('button.close').click(function () {
1170 form.find('[name=notice_data-geo]').prop('checked', false).change();
1173 form.append(wrapper);
1177 label = $('<a></a>').attr('href', url);
1179 label = $('<span></span>');
1183 var latlon = lat + ';' + lon;
1184 label.attr('title', latlon);
1189 wrapper.find('.geo_status').empty().append(label);
1193 * Setup function -- DOES NOT trigger actions immediately.
1195 * Initializes event handlers for the "Send direct message" link on
1196 * profile pages, setting it up to display a dialog box when clicked.
1198 * Unlike the repeat confirmation form, this appears to fetch
1199 * the form _from the original link target_, so the form itself
1200 * doesn't need to be in the current document.
1202 * @fixme breaks ability to open link in new window?
1204 NewDirectMessage: function () {
1205 NDM = $('.entity_send-a-message a');
1206 NDM.attr({'href': NDM.attr('href') + '&ajax=1'});
1207 NDM.on('click', function () {
1208 var NDMF = $('.entity_send-a-message form');
1209 if (NDMF.length === 0) {
1210 $(this).addClass(SN.C.S.Processing);
1211 $.get(NDM.attr('href'), null, function (data) {
1212 $('.entity_send-a-message').append(document._importNode($('form', data)[0], true));
1213 NDMF = $('.entity_send-a-message .form_notice');
1214 SN.U.FormNoticeXHR(NDMF);
1215 SN.U.FormNoticeEnhancements(NDMF);
1216 NDMF.append('<button class="close">×</button>');
1217 $('.entity_send-a-message button').click(function () {
1221 NDM.removeClass(SN.C.S.Processing);
1225 $('.entity_send-a-message textarea').focus();
1232 * Return a date object with the current local time on the
1233 * given year, month, and day.
1235 * @param {number} year: 4-digit year
1236 * @param {number} month: 0 == January
1237 * @param {number} day: 1 == 1
1240 GetFullYear: function (year, month, day) {
1241 var date = new Date();
1242 date.setFullYear(year, month, day);
1248 * Some sort of object interface for storing some structured
1249 * information in a cookie.
1251 * Appears to be used to save the last-used login nickname?
1252 * That's something that browsers usually take care of for us
1253 * these days, do we really need to do it? Does anything else
1254 * use this interface?
1256 * @fixme what is this?
1257 * @fixme should this use non-cookie local storage when available?
1259 StatusNetInstance: {
1261 * @fixme what is this?
1263 Set: function (value) {
1264 var SNI = SN.U.StatusNetInstance.Get();
1266 value = $.extend(SNI, value);
1270 SN.C.S.StatusNetInstance,
1271 JSON.stringify(value),
1274 expires: SN.U.GetFullYear(2029, 0, 1)
1279 * @fixme what is this?
1282 var cookieValue = $.cookie(SN.C.S.StatusNetInstance);
1283 if (cookieValue !== undefined) {
1284 return JSON.parse(cookieValue);
1290 * @fixme what is this?
1292 Delete: function () {
1293 $.cookie(SN.C.S.StatusNetInstance, null);
1298 * Check if the current page is a timeline where the current user's
1299 * posts should be displayed immediately on success.
1301 * @fixme this should be done in a saner way, with machine-readable
1302 * info about what page we're looking at.
1304 * @param {DOMElement} notice: HTML chunk with formatted notice
1307 belongsOnTimeline: function (notice) {
1308 var action = $("body").attr('id');
1309 if (action == 'public') {
1313 var profileLink = $('#nav_profile a').attr('href');
1315 var authorUrl = $(notice).find('.h-card.p-author').attr('href');
1316 if (authorUrl == profileLink) {
1317 if (action == 'all' || action == 'showstream') {
1318 // Posts always show on your own friends and profile streams.
1324 // @fixme tag, group, reply timelines should be feasible as well.
1325 // Mismatch between id-based and name-based user/group links currently complicates
1326 // the lookup, since all our inline mentions contain the absolute links but the
1327 // UI links currently on the page use malleable names.
1333 * Switch to another active input sub-form.
1334 * This will hide the current form (if any), show the new one, and
1335 * update the input type tab selection state.
1337 * @param {String} tag
1339 switchInputFormTab: function (tag, setFocus) {
1340 if (typeof setFocus === 'undefined') { setFocus = true; }
1341 // The one that's current isn't current anymore
1342 $('.input_form_nav_tab.current').removeClass('current');
1344 $('#input_form_nav_' + tag).addClass('current');
1347 // Don't remove 'current' if we also have the "nonav" class.
1348 // An example would be the message input form. removing
1349 // 'current' will cause the form to vanish from the page.
1350 var nonav = $('.input_form.current.nonav');
1351 if (nonav.length > 0) {
1355 $('.input_form.current').removeClass('current');
1357 // we're done here, no new inputform to focus on
1361 var noticeForm = $('#input_form_' + tag)
1362 .addClass('current')
1363 .find('.ajax-notice').each(function () {
1365 SN.Init.NoticeFormSetup(form);
1368 noticeForm.find('.notice_data-text').focus();
1374 showMoreMenuItems: function (menuid) {
1375 $('#' + menuid + ' .more_link').remove();
1376 var selector = '#' + menuid + ' .extended_menu';
1377 var extended = $(selector);
1378 extended.removeClass('extended_menu');
1383 * Show a response feedback bit under a form.
1385 * @param {Element} form: the new-notice form usually
1386 * @param {String} cls: CSS class name to use ('error' or 'success')
1387 * @param {String} text
1390 showFeedback: function (form, cls, text) {
1392 $('<p class="form_response"></p>')
1400 /* SN.E.ajaxNoticePosted, called when a notice has been posted successfully via an AJAX form
1401 @param form the originating form element
1402 @param data data from success() callback
1403 @param textStatus textStatus from success() callback
1405 ajaxNoticePosted: function (form, data, textStatus) {
1406 var commandResult = $('#' + SN.C.S.CommandResult, data);
1407 if (commandResult.length > 0) {
1408 SN.U.showFeedback(form, 'success', commandResult.text());
1410 // New notice post was successful. If on our timeline, show it!
1411 var notice = document._importNode($('li', data)[0], true);
1412 var notices = $('#notices_primary .notices:first');
1413 var replyItem = form.closest('li.notice-reply');
1415 if (replyItem.length > 0) {
1416 // If this is an inline reply, remove the form...
1417 var list = form.closest('.threaded-replies');
1419 var id = $(notice).attr('id');
1420 if ($('#' + id).length == 0) {
1421 $(notice).insertBefore(replyItem);
1422 } // else Realtime came through before us...
1426 } else if (notices.length > 0 && SN.U.belongsOnTimeline(notice)) {
1427 // Not a reply. If on our timeline, show it at the top!
1429 if ($('#' + notice.id).length === 0) {
1430 var notice_irt_value = form.find('[name=inreplyto]').val();
1431 var notice_irt = '#notices_primary #notice-' + notice_irt_value;
1432 if ($('body')[0].id == 'conversation') {
1433 if (notice_irt_value.length > 0 && $(notice_irt + ' .notices').length < 1) {
1434 $(notice_irt).append('<ul class="notices"></ul>');
1436 $($(notice_irt + ' .notices')[0]).append(notice);
1438 notices.prepend(notice);
1441 .css({display: 'none'})
1443 SN.U.NoticeWithAttachment($('#' + notice.id));
1444 SN.U.switchInputFormTab(null);
1447 // Not on a timeline that this belongs on?
1448 // Just show a success message.
1450 SN.U.showFeedback(form, 'success', $('title', data).text());
1454 form.find('[name=inreplyto]').val('');
1455 form.find('.attach-status').remove();
1456 SN.U.FormNoticeEnhancements(form);
1463 * If user is logged in, run setup code for the new notice form:
1468 * - file upload events
1470 NoticeForm: function () {
1471 if ($('body.user_in').length > 0) {
1472 // SN.Init.NoticeFormSetup() will get run
1473 // when forms get displayed for the first time...
1475 // Initialize the input form field
1476 $('#input_form_nav .input_form_nav_tab.current').each(function () {
1477 current_tab_id = $(this).attr('id').substring('input_form_nav_'.length);
1478 SN.U.switchInputFormTab(current_tab_id, false);
1481 // Make inline reply forms self-close when clicking out.
1482 $('body').on('click', function (e) {
1483 var openReplies = $('li.notice-reply');
1484 if (openReplies.length > 0) {
1485 var target = $(e.target);
1486 openReplies.each(function () {
1487 // Did we click outside this one?
1488 var replyItem = $(this);
1489 if (replyItem.has(e.target).length == 0) {
1490 var textarea = replyItem.find('.notice_data-text:first');
1491 var cur = $.trim(textarea.val());
1492 // Only close if there's been no edit.
1493 if (cur == '' || cur == textarea.data('initialText')) {
1494 var parentNotice = replyItem.closest('li.notice');
1496 parentNotice.find('li.notice-reply-placeholder').show();
1506 * Encapsulate notice form setup for a single form.
1507 * Plugins can add extra setup by monkeypatching this
1510 * @param {jQuery} form
1512 NoticeFormSetup: function (form) {
1513 if (form.data('NoticeFormSetup')) {
1516 SN.U.NoticeLocationAttach(form);
1517 SN.U.FormNoticeUniqueID(form);
1518 SN.U.FormNoticeXHR(form);
1519 SN.U.FormNoticeEnhancements(form);
1520 SN.U.NoticeDataAttach(form);
1521 form.data('NoticeFormSetup', true);
1525 * Run setup code for notice timeline views items:
1527 * - AJAX submission for fave/repeat/reply (if logged in)
1528 * - Attachment link extras ('more' links)
1530 Notices: function () {
1531 if ($('body.user_in').length > 0) {
1532 SN.U.NoticeRepeat();
1534 SN.U.NoticeInlineReplySetup();
1535 SN.U.NoticeOptionsAjax();
1538 SN.U.NoticeAttachments();
1542 * Run setup code for user & group profile page header area if logged in:
1544 * - AJAX submission for sub/unsub/join/leave/nudge
1545 * - AJAX form popup for direct-message
1547 EntityActions: function () {
1548 if ($('body.user_in').length > 0) {
1549 $(document).on('click', '.form_user_subscribe', function () { SN.U.FormXHR($(this)); return false; });
1550 $(document).on('click', '.form_user_unsubscribe', function () { SN.U.FormXHR($(this)); return false; });
1551 $(document).on('click', '.form_group_join', function () { SN.U.FormXHR($(this)); return false; });
1552 $(document).on('click', '.form_group_leave', function () { SN.U.FormXHR($(this)); return false; });
1553 $(document).on('click', '.form_user_nudge', function () { SN.U.FormXHR($(this)); return false; });
1554 $(document).on('click', '.form_peopletag_subscribe', function () { SN.U.FormXHR($(this)); return false; });
1555 $(document).on('click', '.form_peopletag_unsubscribe', function () { SN.U.FormXHR($(this)); return false; });
1556 $(document).on('click', '.form_user_add_peopletag', function () { SN.U.FormXHR($(this)); return false; });
1557 $(document).on('click', '.form_user_remove_peopletag', function () { SN.U.FormXHR($(this)); return false; });
1559 SN.U.NewDirectMessage();
1563 ProfileSearch: function () {
1564 if ($('body.user_in').length > 0) {
1565 $(document).on('click', '.form_peopletag_edit_user_search input.submit', function () {
1566 SN.U.FormProfileSearchXHR($(this).parents('form')); return false;
1572 * Run setup code for login form:
1574 * - loads saved last-used-nickname from cookie
1575 * - sets event handler to save nickname to cookie on submit
1577 * @fixme is this necessary? Browsers do their own form saving these days.
1579 Login: function () {
1580 if (SN.U.StatusNetInstance.Get() !== null) {
1581 var nickname = SN.U.StatusNetInstance.Get().Nickname;
1582 if (nickname !== null) {
1583 $('#form_login #nickname').val(nickname);
1587 $('#form_login').on('submit', function () {
1588 SN.U.StatusNetInstance.Set({Nickname: $('#form_login #nickname').val()});
1594 * Run setup for the ajax people tags editor
1596 * - show edit button
1597 * - set event handle for click on edit button
1598 * - loads people tag autocompletion data if not already present
1599 * or if it is stale.
1602 PeopleTags: function () {
1603 $('.user_profile_tags .editable').append($('<button class="peopletags_edit_button"/>'));
1605 $(document).on('click', '.peopletags_edit_button', function () {
1606 var form = $(this).parents('dd').eq(0).find('form');
1607 // We can buy time from the above animation
1612 data: {token: $('#token').val()},
1614 success: function (data) {
1615 // item.label is used to match
1616 for (i=0; i < data.length; i++) {
1617 data[i].label = data[i].tag;
1620 SN.C.PtagACData = data;
1624 $(this).parents('ul').eq(0).fadeOut(200, function () {form.fadeIn(200).find('input#tags')});
1627 $(document).on('click', '.user_profile_tags form .submit', function () {
1628 SN.U.FormPeopletagsXHR($(this).parents('form')); return false;
1633 * Set up any generic 'ajax' form so it submits via AJAX with auto-replacement.
1635 AjaxForms: function () {
1636 $(document).on('submit', 'form.ajax', function () {
1637 SN.U.FormXHR($(this));
1640 $(document).on('click', 'form.ajax input[type=submit]', function () {
1641 // Some forms rely on knowing which submit button was clicked.
1642 // Save a hidden input field which'll be picked up during AJAX
1644 var button = $(this);
1645 var form = button.closest('form');
1646 form.find('.hidden-submit-button').remove();
1647 $('<input class="hidden-submit-button" type="hidden" />')
1648 .attr('name', button.attr('name'))
1655 * Add logic to any file upload forms to handle file size limits,
1656 * on browsers that support basic FileAPI.
1658 UploadForms: function () {
1659 $('input[type=file]').change(function (event) {
1660 if (typeof this.files === "object" && this.files.length > 0) {
1662 for (var i = 0; i < this.files.length; i++) {
1663 size += this.files[i].size;
1666 var max = SN.U.maxFileSize($(this.form));
1667 if (max > 0 && size > max) {
1668 var msg = 'File too large: maximum upload size is %d bytes.';
1669 alert(msg.replace('%d', max));
1673 event.preventDefault();
1680 CheckBoxes: function () {
1681 $("span[class='checkbox-wrapper']").addClass("unchecked");
1682 $(".checkbox-wrapper").click(function () {
1683 if ($(this).children("input").prop("checked")) {
1685 $(this).children("input").prop("checked", false);
1686 $(this).removeClass("checked");
1687 $(this).addClass("unchecked");
1688 $(this).children("label").text("Private?");
1691 $(this).children("input").prop("checked", true);
1692 $(this).removeClass("unchecked");
1693 $(this).addClass("checked");
1694 $(this).children("label").text("Private");
1702 * Run initialization functions on DOM-ready.
1704 * Note that if we're waiting on other scripts to load, this won't happen
1705 * until that's done. To load scripts asynchronously without delaying setup,
1706 * don't start them loading until after DOM-ready time!
1709 SN.Init.AjaxForms();
1710 SN.Init.UploadForms();
1711 SN.Init.CheckBoxes();
1712 if ($('.' + SN.C.S.FormNotice).length > 0) {
1713 SN.Init.NoticeForm();
1715 if ($('#content .notices').length > 0) {
1718 if ($('#content .entity_actions').length > 0) {
1719 SN.Init.EntityActions();
1721 if ($('#form_login').length > 0) {
1724 if ($('#profile_search_results').length > 0) {
1725 SN.Init.ProfileSearch();
1727 if ($('.user_profile_tags .editable').length > 0) {
1728 SN.Init.PeopleTags();