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\-_.]*$/,
34 HTTP20x30x: [200, 201, 202, 203, 204, 205, 206, 300, 301, 302, 303, 304, 305, 306, 307],
35 NoticeFormMaster: null // to be cloned from the one at top
39 * @fixme are these worth the trouble? They seem to mostly just duplicate
40 * themselves while slightly obscuring the actual selector, so it's hard
41 * to pop over to the HTML and find something.
43 * In theory, minification could reduce them to shorter variable names,
44 * but at present that doesn't happen with yui-compressor.
51 Processing: 'processing',
52 CommandResult: 'command_result',
53 FormNotice: 'form_notice',
54 NoticeDataGeo: 'notice_data-geo',
55 NoticeDataGeoCookie: 'NoticeDataGeo',
56 NoticeDataGeoSelected: 'notice_data-geo_selected',
57 StatusNetInstance: 'StatusNetInstance'
62 * Map of localized message strings exported to script from the PHP
63 * side via Action::getScriptMessages().
65 * Retrieve them via SN.msg(); this array is an implementation detail.
72 * Grabs a localized string that's been previously exported to us
73 * from server-side code via Action::getScriptMessages().
75 * @example alert(SN.msg('coolplugin-failed'));
77 * @param {String} key: string key name to pull from message index
78 * @return matching localized message string
81 if (SN.messages[key] === undefined) {
82 return '[' + key + ']';
84 return SN.messages[key];
89 * Setup function -- DOES NOT trigger actions immediately.
91 * Sets up event handlers on the new notice form.
93 * @param {jQuery} form: jQuery object whose first matching element is the form
96 FormNoticeEnhancements: function (form) {
97 if ($.data(form[0], 'ElementData') === undefined) {
98 var MaxLength = form.find('.count').text();
99 if (MaxLength === undefined) {
100 MaxLength = SN.C.I.MaxLength;
102 $.data(form[0], 'ElementData', {MaxLength: MaxLength});
106 var NDT = form.find('.notice_data-text:first');
108 NDT.on('keyup', function (e) {
112 var delayedUpdate = function (e) {
113 // Cut and paste events fire *before* the operation,
114 // so we need to trigger an update in a little bit.
115 // This would be so much easier if the 'change' event
116 // actually fired every time the value changed. :P
117 window.setTimeout(function () {
121 // Note there's still no event for mouse-triggered 'delete'.
122 NDT.on('cut', delayedUpdate)
123 .on('paste', delayedUpdate);
125 form.find('.count').text($.data(form[0], 'ElementData').MaxLength);
130 * To be called from event handlers on the notice import form.
131 * Triggers an update of the remaining-characters counter.
133 * Additional counter updates will be suppressed during the
134 * next half-second to avoid flooding the layout engine with
135 * updates, followed by another automatic check.
137 * The maximum length is pulled from data established by
138 * FormNoticeEnhancements.
140 * @param {jQuery} form: jQuery object whose first element is the notice posting form
143 Counter: function (form) {
144 SN.C.I.FormNoticeCurrent = form;
146 var MaxLength = $.data(form[0], 'ElementData').MaxLength;
148 if (MaxLength <= 0) {
152 var remaining = MaxLength - SN.U.CharacterCount(form);
153 var counter = form.find('.count');
155 if (remaining.toString() != counter.text()) {
156 if (!SN.C.I.CounterBlackout || remaining === 0) {
157 if (counter.text() != String(remaining)) {
158 counter.text(remaining);
161 form.addClass(SN.C.S.Warning);
163 form.removeClass(SN.C.S.Warning);
165 // Skip updates for the next 500ms.
166 // On slower hardware, updating on every keypress is unpleasant.
167 if (!SN.C.I.CounterBlackout) {
168 SN.C.I.CounterBlackout = true;
169 SN.C.I.FormNoticeCurrent = form;
170 window.setTimeout("SN.U.ClearCounterBlackout(SN.C.I.FormNoticeCurrent);", 500);
177 * Pull the count of characters in the current edit field.
178 * Plugins replacing the edit control may need to override this.
180 * @param {jQuery} form: jQuery object whose first element is the notice posting form
181 * @return number of chars
183 CharacterCount: function (form) {
184 return form.find('.notice_data-text:first').val().length;
188 * Called internally after the counter update blackout period expires;
189 * runs another update to make sure we didn't miss anything.
191 * @param {jQuery} form: jQuery object whose first element is the notice posting form
194 ClearCounterBlackout: function (form) {
195 // Allow keyup events to poke the counter again
196 SN.C.I.CounterBlackout = false;
197 // Check if the string changed since we last looked
202 * Helper function to rewrite default HTTP form action URLs to HTTPS
203 * so we can actually fetch them when on an SSL page in ssl=sometimes
206 * It would be better to output URLs that didn't hardcode protocol
207 * and hostname in the first place...
209 * @param {String} url
212 RewriteAjaxAction: function (url) {
213 // Quick hack: rewrite AJAX submits to HTTPS if they'd fail otherwise.
214 if (document.location.protocol === 'https:' && url.substr(0, 5) === 'http:') {
215 return url.replace(/^http:\/\/[^:\/]+/, 'https://' + document.location.host);
221 * Grabs form data and submits it asynchronously, with 'ajax=1'
222 * parameter added to the rest.
224 * If a successful response includes another form, that form
225 * will be extracted and copied in, replacing the original form.
226 * If there's no form, the first paragraph will be used.
228 * This will automatically be applied on the 'submit' event for
229 * any form with the 'ajax' class.
231 * @fixme can sometimes explode confusingly if returnd data is bogus
232 * @fixme error handling is pretty vague
233 * @fixme can't submit file uploads
235 * @param {jQuery} form: jQuery object whose first element is a form
236 * @param function onSuccess: something extra to do on success
240 FormXHR: function (form, onSuccess) {
244 url: SN.U.RewriteAjaxAction(form.attr('action')),
245 data: form.serialize() + '&ajax=1',
246 beforeSend: function (xhr) {
248 .addClass(SN.C.S.Processing)
250 .addClass(SN.C.S.Disabled)
251 .prop(SN.C.S.Disabled, true);
253 error: function (xhr, textStatus, errorThrown) {
254 // If the server end reported an error from StatusNet,
255 // find it -- otherwise we'll see what was reported
257 var errorReported = null;
258 if (xhr.responseXML) {
259 errorReported = $('#error', xhr.responseXML).text();
261 window.alert(errorReported || errorThrown || textStatus);
263 // Restore the form to original state.
266 .removeClass(SN.C.S.Processing)
268 .removeClass(SN.C.S.Disabled)
269 .prop(SN.C.S.Disabled, false);
271 success: function (data, textStatus) {
272 if ($('form', data)[0] !== undefined) {
273 var form_new = document._importNode($('form', data)[0], true);
274 form.replaceWith(form_new);
278 } else if ($('p', data)[0] !== undefined) {
279 form.replaceWith(document._importNode($('p', data)[0], true));
284 window.alert('Unknown error.');
291 * Setup function -- DOES NOT trigger actions immediately.
293 * Sets up event handlers for special-cased async submission of the
294 * notice-posting form, including some pre-post validation.
296 * Unlike FormXHR() this does NOT submit the form immediately!
297 * It sets up event handlers so that any method of submitting the
298 * form (click on submit button, enter, submit() etc) will trigger
301 * Also unlike FormXHR(), this system will use a hidden iframe
302 * automatically to handle file uploads via <input type="file">
306 * @fixme vast swaths of duplicate code and really long variable names clutter this function up real bad
307 * @fixme error handling is unreliable
308 * @fixme cookieValue is a global variable, but probably shouldn't be
309 * @fixme saving the location cache cookies should be split out
310 * @fixme some error messages are hardcoded english: needs i18n
312 * @param {jQuery} form: jQuery object whose first element is a form
316 FormNoticeXHR: function (form) {
317 SN.C.I.NoticeDataGeo = {};
318 form.append('<input type="hidden" name="ajax" value="1"/>');
320 // Make sure we don't have a mixed HTTP/HTTPS submission...
321 form.attr('action', SN.U.RewriteAjaxAction(form.attr('action')));
324 * Show a response feedback bit under the new-notice dialog.
326 * @param {String} cls: CSS class name to use ('error' or 'success')
327 * @param {String} text
330 var showFeedback = function (cls, text) {
332 $('<p class="form_response"></p>')
339 * Hide the previous response feedback, if any.
341 var removeFeedback = function () {
342 form.find('.form_response').remove();
348 beforeSend: function (formData) {
349 if (form.find('.notice_data-text:first').val() == '') {
350 form.addClass(SN.C.S.Warning);
354 .addClass(SN.C.S.Processing)
356 .addClass(SN.C.S.Disabled)
357 .prop(SN.C.S.Disabled, true);
359 SN.U.normalizeGeoData(form);
363 error: function (xhr, textStatus, errorThrown) {
365 .removeClass(SN.C.S.Processing)
367 .removeClass(SN.C.S.Disabled)
368 .prop(SN.C.S.Disabled, false);
370 if (textStatus == 'timeout') {
372 showFeedback('error', 'Sorry! We had trouble sending your notice. The servers are overloaded. Please try again, and contact the site administrator if this problem persists.');
374 var response = SN.U.GetResponseXML(xhr);
375 if ($('.' + SN.C.S.Error, response).length > 0) {
376 form.append(document._importNode($('.' + SN.C.S.Error, response)[0], true));
378 if (parseInt(xhr.status) === 0 || $.inArray(parseInt(xhr.status), SN.C.I.HTTP20x30x) >= 0) {
381 .find('.attach-status').remove();
382 SN.U.FormNoticeEnhancements(form);
385 showFeedback('error', '(Sorry! We had trouble sending your notice (' + xhr.status + ' ' + xhr.statusText + '). Please report the problem to the site administrator if this happens again.');
390 success: function (data, textStatus) {
392 var errorResult = $('#' + SN.C.S.Error, data);
393 if (errorResult.length > 0) {
394 showFeedback('error', errorResult.text());
396 var commandResult = $('#' + SN.C.S.CommandResult, data);
397 if (commandResult.length > 0) {
398 showFeedback('success', commandResult.text());
400 // New notice post was successful. If on our timeline, show it!
401 var notice = document._importNode($('li', data)[0], true);
402 var notices = $('#notices_primary .notices:first');
403 var replyItem = form.closest('li.notice-reply');
405 if (replyItem.length > 0) {
406 // If this is an inline reply, remove the form...
407 var list = form.closest('.threaded-replies');
409 var id = $(notice).attr('id');
410 if ($('#' + id).length == 0) {
411 $(notice).insertBefore(replyItem);
412 } // else Realtime came through before us...
416 } else if (notices.length > 0 && SN.U.belongsOnTimeline(notice)) {
417 // Not a reply. If on our timeline, show it at the top!
419 if ($('#' + notice.id).length === 0) {
420 var notice_irt_value = form.find('[name=inreplyto]').val();
421 var notice_irt = '#notices_primary #notice-' + notice_irt_value;
422 if ($('body')[0].id == 'conversation') {
423 if (notice_irt_value.length > 0 && $(notice_irt + ' .notices').length < 1) {
424 $(notice_irt).append('<ul class="notices"></ul>');
426 $($(notice_irt + ' .notices')[0]).append(notice);
428 notices.prepend(notice);
431 .css({display: 'none'})
433 SN.U.NoticeWithAttachment($('#' + notice.id));
434 SN.U.switchInputFormTab(null);
437 // Not on a timeline that this belongs on?
438 // Just show a success message.
440 showFeedback('success', $('title', data).text());
444 form.find('[name=inreplyto]').val('');
445 form.find('.attach-status').remove();
446 SN.U.FormNoticeEnhancements(form);
449 complete: function (xhr, textStatus) {
451 .removeClass(SN.C.S.Processing)
453 .prop(SN.C.S.Disabled, false)
454 .removeClass(SN.C.S.Disabled);
456 form.find('[name=lat]').val(SN.C.I.NoticeDataGeo.NLat);
457 form.find('[name=lon]').val(SN.C.I.NoticeDataGeo.NLon);
458 form.find('[name=location_ns]').val(SN.C.I.NoticeDataGeo.NLNS);
459 form.find('[name=location_id]').val(SN.C.I.NoticeDataGeo.NLID);
460 form.find('[name=notice_data-geo]').prop('checked', SN.C.I.NoticeDataGeo.NDG);
465 FormProfileSearchXHR: function (form) {
469 url: form.attr('action'),
470 data: form.serialize() + '&ajax=1',
471 beforeSend: function (xhr) {
473 .addClass(SN.C.S.Processing)
475 .addClass(SN.C.S.Disabled)
476 .prop(SN.C.S.Disabled, true);
478 error: function (xhr, textStatus, errorThrown) {
479 window.alert(errorThrown || textStatus);
481 success: function (data, textStatus) {
482 var results_placeholder = $('#profile_search_results');
483 if ($('ul', data)[0] !== undefined) {
484 var list = document._importNode($('ul', data)[0], true);
485 results_placeholder.replaceWith(list);
487 var _error = $('<li/>').append(document._importNode($('p', data)[0], true));
488 results_placeholder.html(_error);
491 .removeClass(SN.C.S.Processing)
493 .removeClass(SN.C.S.Disabled)
494 .prop(SN.C.S.Disabled, false);
499 FormPeopletagsXHR: function (form) {
503 url: form.attr('action'),
504 data: form.serialize() + '&ajax=1',
505 beforeSend: function (xhr) {
507 .addClass(SN.C.S.Processing)
508 .addClass(SN.C.S.Disabled)
509 .prop(SN.C.S.Disabled, true);
511 error: function (xhr, textStatus, errorThrown) {
512 window.alert(errorThrown || textStatus);
514 success: function (data, textStatus) {
515 var results_placeholder = form.parents('.entity_tags');
516 if ($('.entity_tags', data)[0] !== undefined) {
517 var tags = document._importNode($('.entity_tags', data)[0], true);
518 $(tags).find('.editable').append($('<button class="peopletags_edit_button"/>'));
519 results_placeholder.replaceWith(tags);
521 results_placeholder.find('p').remove();
522 results_placeholder.append(document._importNode($('p', data)[0], true));
523 form.removeClass(SN.C.S.Processing)
525 .removeClass(SN.C.S.Disabled)
526 .prop(SN.C.S.Disabled, false);
532 normalizeGeoData: function (form) {
533 SN.C.I.NoticeDataGeo.NLat = form.find('[name=lat]').val();
534 SN.C.I.NoticeDataGeo.NLon = form.find('[name=lon]').val();
535 SN.C.I.NoticeDataGeo.NLNS = form.find('[name=location_ns]').val();
536 SN.C.I.NoticeDataGeo.NLID = form.find('[name=location_id]').val();
537 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').prop('checked'); // @fixme (does this still need to be fixed somehow?)
539 var cookieValue = $.cookie(SN.C.S.NoticeDataGeoCookie);
541 if (cookieValue !== undefined && cookieValue != 'disabled') {
542 cookieValue = JSON.parse(cookieValue);
543 SN.C.I.NoticeDataGeo.NLat = form.find('[name=lat]').val(cookieValue.NLat).val();
544 SN.C.I.NoticeDataGeo.NLon = form.find('[name=lon]').val(cookieValue.NLon).val();
545 if (cookieValue.NLNS) {
546 SN.C.I.NoticeDataGeo.NLNS = form.find('[name=location_ns]').val(cookieValue.NLNS).val();
547 SN.C.I.NoticeDataGeo.NLID = form.find('[name=location_id]').val(cookieValue.NLID).val();
549 form.find('[name=location_ns]').val('');
550 form.find('[name=location_id]').val('');
553 if (cookieValue == 'disabled') {
554 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').prop('checked', false).prop('checked');
556 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').prop('checked', true).prop('checked');
562 * Fetch an XML DOM from an XHR's response data.
564 * Works around unavailable responseXML when document.domain
565 * has been modified by Meteor or other tools, in some but not
568 * @param {XMLHTTPRequest} xhr
569 * @return DOMDocument
571 GetResponseXML: function (xhr) {
573 return xhr.responseXML;
575 return (new DOMParser()).parseFromString(xhr.responseText, "text/xml");
580 * Setup function -- DOES NOT trigger actions immediately.
582 * Sets up event handlers on all visible notice's reply buttons to
583 * tweak the new-notice form with needed variables and focus it
586 * (This replaces the default reply button behavior to submit
587 * directly to a form which comes back with a specialized page
588 * with the form data prefilled.)
592 NoticeReply: function () {
593 $(document).on('click', '#content .notice_reply', function (e) {
595 var notice = $(this).closest('li.notice');
596 SN.U.NoticeInlineReplyTrigger(notice);
602 * Stub -- kept for compat with plugins for now.
605 NoticeReplyTo: function (notice) {
609 * Open up a notice's inline reply box.
611 * @param {jQuery} notice: jQuery object containing one notice
612 * @param {String} initialText
614 NoticeInlineReplyTrigger: function (notice, initialText) {
615 // Find the notice we're replying to...
616 var id = $($('.notice_id', notice)[0]).text();
618 var parentNotice = notice;
619 var stripForm = true; // strip a couple things out of reply forms that are inline
621 var list = notice.closest('.notices');
622 if (list.hasClass('threaded-replies')) {
623 // We're replying to a reply; use reply form on the end of this list.
625 // We're replying to a parent notice; pull its threaded list
626 // and we'll add on the end of it. Will add the threaded list if needed.
627 var list = $('ul.threaded-replies', notice);
628 if (list.length == 0) {
629 list = $('<ul class="notices threaded-replies xoxo"></ul>');
631 list = notice.find('ul.threaded-replies');
635 var nextStep = function () {
637 replyForm.find('input[name=inreplyto]').val(id);
639 // Don't do this for old-school reply form, as they don't come back!
640 replyForm.find('#notice_to').prop('disabled', true).hide();
641 replyForm.find('#notice_private').prop('disabled', true).hide();
642 replyForm.find('label[for=notice_to]').hide();
643 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 at the end
665 var replyItem = $('li.notice-reply', list);
666 if (replyItem.length == 0) {
667 replyItem = $('<li class="notice-reply"></li>');
669 // Fetch a fresh copy of the notice form over AJAX.
670 var url = $('#input_form_status > form').attr('action');
671 $.get(url, {ajax: 1, inreplyto: id}, function (data, textStatus, xhr) {
672 var formEl = document._importNode($('form', data)[0], true);
673 replyItem.append(formEl);
674 list.append(replyItem);
676 replyForm = $(formEl);
677 SN.Init.NoticeFormSetup(replyForm);
681 replyForm = replyItem.children('form');
682 if (SN.Init.NoticeFormSetup(replyForm)) {
686 replyItem.find('textarea').focus();
691 * Setup function -- DOES NOT apply immediately.
693 * Uses 'on' rather than 'live' or 'bind', so applies to future as well as present items.
695 NoticeInlineReplySetup: function () {
696 // Expand conversation links
697 $(document).on('click', 'li.notice-reply-comments a', function () {
698 var url = $(this).attr('href');
699 var area = $(this).closest('.threaded-replies');
700 $.get(url, {ajax: 1}, function (data, textStatus, xhr) {
701 var replies = $('.threaded-replies', data);
702 if (replies.length) {
703 area.replaceWith(document._importNode(replies[0], true));
711 * Setup function -- DOES NOT trigger actions immediately.
713 * Sets up event handlers for repeat forms to toss up a confirmation
714 * popout before submitting.
716 * Uses 'on' rather than 'live' or 'bind', so applies to future as well as present items.
719 NoticeRepeat: function () {
720 $('body').on('click', '.form_repeat', function (e) {
723 SN.U.NoticeRepeatConfirmation($(this));
729 * Shows a confirmation dialog box variant of the repeat button form.
730 * This seems to use a technique where the repeat form contains
731 * _both_ a standalone button _and_ text and buttons for a dialog.
732 * The dialog will close after its copy of the form is submitted,
733 * or if you click its 'close' button.
735 * The dialog is created by duplicating the original form and changing
736 * its style; while clever, this is hard to generalize and probably
737 * duplicates a lot of unnecessary HTML output.
739 * @fixme create confirmation dialogs through a generalized interface
740 * that can be reused instead of hardcoded text and styles.
742 * @param {jQuery} form
744 NoticeRepeatConfirmation: function (form) {
745 var submit_i = form.find('.submit');
747 var submit = submit_i.clone();
749 .addClass('submit_dialogbox')
750 .removeClass('submit');
752 submit.on('click', function () { SN.U.FormXHR(form); return false; });
757 .addClass('dialogbox')
758 .append('<button class="close">×</button>')
759 .closest('.notice-options')
762 form.find('button.close').click(function () {
766 .removeClass('dialogbox')
767 .closest('.notice-options')
768 .removeClass('opaque');
770 form.find('.submit_dialogbox').remove();
771 form.find('.submit').show();
778 * Setup function -- DOES NOT trigger actions immediately.
780 * Goes through all notices currently displayed and sets up attachment
781 * handling if needed.
783 NoticeAttachments: function () {
784 $('.notice a.attachment').each(function () {
785 SN.U.NoticeWithAttachment($(this).closest('.notice'));
790 * Setup function -- DOES NOT trigger actions immediately.
792 * Sets up special attachment link handling if needed. Currently this
793 * consists only of making the "more" button used for OStatus message
794 * cropping turn into an auto-expansion button that loads the full
795 * text from an attachment file.
797 * @param {jQuery} notice
799 NoticeWithAttachment: function (notice) {
800 if (notice.find('.attachment').length === 0) {
804 $(document).on('click','.attachment.more',function () {
806 m.addClass(SN.C.S.Processing);
807 $.get(m.attr('href'), {ajax: 1}, function (data) {
808 m.parent('.e-content').html($(data).find('#attachment_view .e-content').html());
817 * Setup function -- DOES NOT trigger actions immediately.
819 * Sets up event handlers for the file-attachment widget in the
820 * new notice form. When a file is selected, a box will be added
821 * below the text input showing the filename and, if supported
822 * by the browser, a thumbnail preview.
824 * This preview box will also allow removing the attachment
827 * @param {jQuery} form
829 NoticeDataAttach: function (form) {
831 var NDA = form.find('input[type=file]');
832 NDA.change(function (event) {
833 form.find('.attach-status').remove();
835 var filename = $(this).val();
837 // No file -- we've been tricked!
841 var attachStatus = $('<div class="attach-status ' + SN.C.S.Success + '"><code></code> <button class="close">×</button></div>');
842 attachStatus.find('code').text(filename);
843 attachStatus.find('button').click(function () {
844 attachStatus.remove();
849 form.append(attachStatus);
851 if (typeof this.files === "object") {
852 // Some newer browsers will let us fetch the files for preview.
853 for (i = 0; i < this.files.length; i++) {
854 SN.U.PreviewAttach(form, this.files[i]);
861 * Get PHP's MAX_FILE_SIZE setting for this form;
862 * used to apply client-side file size limit checks.
864 * @param {jQuery} form
865 * @return int max size in bytes; 0 or negative means no limit
867 maxFileSize: function (form) {
868 var max = $(form).find('input[name=MAX_FILE_SIZE]').attr('value');
870 return parseInt(max);
876 * For browsers with FileAPI support: make a thumbnail if possible,
877 * and append it into the attachment display widget.
880 * - Firefox 3.6.6, 4.0b7
881 * - Chrome 8.0.552.210
883 * Known ok metadata, can't get contents:
887 * - Opera 10.63, 11 beta (no input.files interface)
889 * @param {jQuery} form
892 * @todo use configured thumbnail size
893 * @todo detect pixel size?
894 * @todo should we render a thumbnail to a canvas and then use the smaller image?
896 PreviewAttach: function (form, file) {
897 var tooltip = file.type + ' ' + Math.round(file.size / 1024) + 'KB';
901 if (window.createObjectURL !== undefined) {
903 * createObjectURL lets us reference the file directly from an <img>
904 * This produces a compact URL with an opaque reference to the file,
905 * which we can reference immediately.
907 * - Firefox 3.6.6: no
908 * - Firefox 4.0b7: no
910 * - Chrome 8.0.552.210: works!
912 blobAsDataURL = function (blob, callback) {
913 callback(window.createObjectURL(blob));
915 } else if (window.FileReader !== undefined) {
917 * FileAPI's FileReader can build a data URL from a blob's contents,
918 * but it must read the file and build it asynchronously. This means
919 * we'll be passing a giant data URL around, which may be inefficient.
921 * - Firefox 3.6.6: works!
922 * - Firefox 4.0b7: works!
924 * - Chrome 8.0.552.210: works!
926 blobAsDataURL = function (blob, callback) {
927 var reader = new FileReader();
928 reader.onload = function (event) {
929 callback(reader.result);
931 reader.readAsDataURL(blob);
937 var imageTypes = ['image/png', 'image/jpeg', 'image/gif', 'image/svg+xml'];
938 if ($.inArray(file.type, imageTypes) == -1) {
939 // We probably don't know how to show the file.
943 var maxSize = 8 * 1024 * 1024;
944 if (file.size > maxSize) {
945 // Don't kill the browser trying to load some giant image.
950 blobAsDataURL(file, function (url) {
952 .attr('title', tooltip)
953 .attr('alt', tooltip)
955 .attr('style', 'height: 120px');
956 form.find('.attach-status').append(img);
959 var img = $('<div></div>').text(tooltip);
960 form.find('.attach-status').append(img);
965 * Setup function -- DOES NOT trigger actions immediately.
967 * Initializes state for the location-lookup features in the
968 * new-notice form. Seems to set up some event handlers for
969 * triggering lookups and using the new values.
971 * @param {jQuery} form
974 * @fixme there's not good visual state update here, so users have a
975 * hard time figuring out if it's working or fixing if it's wrong.
978 NoticeLocationAttach: function (form) {
979 // @fixme this should not be tied to the main notice form, as there may be multiple notice forms...
980 var NLat = form.find('[name=lat]');
981 var NLon = form.find('[name=lon]');
982 var NLNS = form.find('[name=location_ns]').val();
983 var NLID = form.find('[name=location_id]').val();
984 var NLN = ''; // @fixme
985 var NDGe = form.find('[name=notice_data-geo]');
986 var check = form.find('[name=notice_data-geo]');
987 var label = form.find('label.notice_data-geo');
989 function removeNoticeDataGeo(error) {
991 .attr('title', $.trim(label.text()))
992 .removeClass('checked');
994 form.find('[name=lat]').val('');
995 form.find('[name=lon]').val('');
996 form.find('[name=location_ns]').val('');
997 form.find('[name=location_id]').val('');
998 form.find('[name=notice_data-geo]').prop('checked', false);
1000 $.cookie(SN.C.S.NoticeDataGeoCookie, 'disabled', { path: '/' });
1003 form.find('.geo_status_wrapper').removeClass('success').addClass('error');
1004 form.find('.geo_status_wrapper .geo_status').text(error);
1006 form.find('.geo_status_wrapper').remove();
1010 function getJSONgeocodeURL(geocodeURL, data) {
1011 SN.U.NoticeGeoStatus(form, 'Looking up place name...');
1012 $.getJSON(geocodeURL, data, function (location) {
1013 var lns, lid, NLN_text;
1015 if (location.location_ns !== undefined) {
1016 form.find('[name=location_ns]').val(location.location_ns);
1017 lns = location.location_ns;
1020 if (location.location_id !== undefined) {
1021 form.find('[name=location_id]').val(location.location_id);
1022 lid = location.location_id;
1025 if (location.name === undefined) {
1026 NLN_text = data.lat + ';' + data.lon;
1028 NLN_text = location.name;
1031 SN.U.NoticeGeoStatus(form, NLN_text, data.lat, data.lon, location.url);
1033 .attr('title', NoticeDataGeo_text.ShareDisable + ' (' + NLN_text + ')');
1035 form.find('[name=lat]').val(data.lat);
1036 form.find('[name=lon]').val(data.lon);
1037 form.find('[name=location_ns]').val(lns);
1038 form.find('[name=location_id]').val(lid);
1039 form.find('[name=notice_data-geo]').prop('checked', true);
1051 $.cookie(SN.C.S.NoticeDataGeoCookie, JSON.stringify(cookieValue), { path: '/' });
1055 if (check.length > 0) {
1056 if ($.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
1057 check.prop('checked', false);
1059 check.prop('checked', true);
1062 var NGW = form.find('.notice_data-geo_wrap');
1063 var geocodeURL = NGW.attr('data-api');
1065 label.attr('title', label.text());
1067 check.change(function () {
1068 if (check.prop('checked') === true || $.cookie(SN.C.S.NoticeDataGeoCookie) === null) {
1070 .attr('title', NoticeDataGeo_text.ShareDisable)
1071 .addClass('checked');
1073 if ($.cookie(SN.C.S.NoticeDataGeoCookie) === null || $.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
1074 if (navigator.geolocation) {
1075 SN.U.NoticeGeoStatus(form, 'Requesting location from browser...');
1076 navigator.geolocation.getCurrentPosition(
1077 function (position) {
1078 form.find('[name=lat]').val(position.coords.latitude);
1079 form.find('[name=lon]').val(position.coords.longitude);
1082 lat: position.coords.latitude,
1083 lon: position.coords.longitude,
1084 token: $('#token').val()
1087 getJSONgeocodeURL(geocodeURL, data);
1091 switch(error.code) {
1092 case error.PERMISSION_DENIED:
1093 removeNoticeDataGeo('Location permission denied.');
1096 //$('#' + SN.C.S.NoticeDataGeo).prop('checked', false);
1097 removeNoticeDataGeo('Location lookup timeout.');
1107 if (NLat.length > 0 && NLon.length > 0) {
1111 token: $('#token').val()
1114 getJSONgeocodeURL(geocodeURL, data);
1116 removeNoticeDataGeo();
1123 var cookieValue = JSON.parse($.cookie(SN.C.S.NoticeDataGeoCookie));
1125 form.find('[name=lat]').val(cookieValue.NLat);
1126 form.find('[name=lon]').val(cookieValue.NLon);
1127 form.find('[name=location_ns]').val(cookieValue.NLNS);
1128 form.find('[name=location_id]').val(cookieValue.NLID);
1129 form.find('[name=notice_data-geo]').prop('checked', cookieValue.NDG);
1131 SN.U.NoticeGeoStatus(form, cookieValue.NLN, cookieValue.NLat, cookieValue.NLon, cookieValue.NLNU);
1133 .attr('title', NoticeDataGeo_text.ShareDisable + ' (' + cookieValue.NLN + ')')
1134 .addClass('checked');
1136 console.log('Parsing error:', e);
1140 removeNoticeDataGeo();
1147 * Create or update a geolocation status widget in this notice posting form.
1149 * @param {jQuery} form
1150 * @param {String} status
1151 * @param {String} lat (optional)
1152 * @param {String} lon (optional)
1153 * @param {String} url (optional)
1155 NoticeGeoStatus: function (form, status, lat, lon, url)
1157 var wrapper = form.find('.geo_status_wrapper');
1158 if (wrapper.length == 0) {
1159 wrapper = $('<div class="' + SN.C.S.Success + ' geo_status_wrapper"><button class="close" style="float:right">×</button><div class="geo_status"></div></div>');
1160 wrapper.find('button.close').click(function () {
1161 form.find('[name=notice_data-geo]').prop('checked', false).change();
1164 form.append(wrapper);
1168 label = $('<a></a>').attr('href', url);
1170 label = $('<span></span>');
1174 var latlon = lat + ';' + lon;
1175 label.attr('title', latlon);
1180 wrapper.find('.geo_status').empty().append(label);
1184 * Setup function -- DOES NOT trigger actions immediately.
1186 * Initializes event handlers for the "Send direct message" link on
1187 * profile pages, setting it up to display a dialog box when clicked.
1189 * Unlike the repeat confirmation form, this appears to fetch
1190 * the form _from the original link target_, so the form itself
1191 * doesn't need to be in the current document.
1193 * @fixme breaks ability to open link in new window?
1195 NewDirectMessage: function () {
1196 NDM = $('.entity_send-a-message a');
1197 NDM.attr({'href': NDM.attr('href') + '&ajax=1'});
1198 NDM.on('click', function () {
1199 var NDMF = $('.entity_send-a-message form');
1200 if (NDMF.length === 0) {
1201 $(this).addClass(SN.C.S.Processing);
1202 $.get(NDM.attr('href'), null, function (data) {
1203 $('.entity_send-a-message').append(document._importNode($('form', data)[0], true));
1204 NDMF = $('.entity_send-a-message .form_notice');
1205 SN.U.FormNoticeXHR(NDMF);
1206 SN.U.FormNoticeEnhancements(NDMF);
1207 NDMF.append('<button class="close">×</button>');
1208 $('.entity_send-a-message button').click(function () {
1212 NDM.removeClass(SN.C.S.Processing);
1216 $('.entity_send-a-message textarea').focus();
1223 * Return a date object with the current local time on the
1224 * given year, month, and day.
1226 * @param {number} year: 4-digit year
1227 * @param {number} month: 0 == January
1228 * @param {number} day: 1 == 1
1231 GetFullYear: function (year, month, day) {
1232 var date = new Date();
1233 date.setFullYear(year, month, day);
1239 * Some sort of object interface for storing some structured
1240 * information in a cookie.
1242 * Appears to be used to save the last-used login nickname?
1243 * That's something that browsers usually take care of for us
1244 * these days, do we really need to do it? Does anything else
1245 * use this interface?
1247 * @fixme what is this?
1248 * @fixme should this use non-cookie local storage when available?
1250 StatusNetInstance: {
1252 * @fixme what is this?
1254 Set: function (value) {
1255 var SNI = SN.U.StatusNetInstance.Get();
1257 value = $.extend(SNI, value);
1261 SN.C.S.StatusNetInstance,
1262 JSON.stringify(value),
1265 expires: SN.U.GetFullYear(2029, 0, 1)
1270 * @fixme what is this?
1273 var cookieValue = $.cookie(SN.C.S.StatusNetInstance);
1274 if (cookieValue !== undefined) {
1275 return JSON.parse(cookieValue);
1281 * @fixme what is this?
1283 Delete: function () {
1284 $.cookie(SN.C.S.StatusNetInstance, null);
1289 * Check if the current page is a timeline where the current user's
1290 * posts should be displayed immediately on success.
1292 * @fixme this should be done in a saner way, with machine-readable
1293 * info about what page we're looking at.
1295 * @param {DOMElement} notice: HTML chunk with formatted notice
1298 belongsOnTimeline: function (notice) {
1299 var action = $("body").attr('id');
1300 if (action == 'public') {
1304 var profileLink = $('#nav_profile a').attr('href');
1306 var authorUrl = $(notice).find('.h-card.p-author').attr('href');
1307 if (authorUrl == profileLink) {
1308 if (action == 'all' || action == 'showstream') {
1309 // Posts always show on your own friends and profile streams.
1315 // @fixme tag, group, reply timelines should be feasible as well.
1316 // Mismatch between id-based and name-based user/group links currently complicates
1317 // the lookup, since all our inline mentions contain the absolute links but the
1318 // UI links currently on the page use malleable names.
1324 * Switch to another active input sub-form.
1325 * This will hide the current form (if any), show the new one, and
1326 * update the input type tab selection state.
1328 * @param {String} tag
1330 switchInputFormTab: function (tag, setFocus) {
1331 if (typeof setFocus === 'undefined') { setFocus = true; }
1332 // The one that's current isn't current anymore
1333 $('.input_form_nav_tab.current').removeClass('current');
1335 $('#input_form_nav_' + tag).addClass('current');
1338 // Don't remove 'current' if we also have the "nonav" class.
1339 // An example would be the message input form. removing
1340 // 'current' will cause the form to vanish from the page.
1341 var nonav = $('.input_form.current.nonav');
1342 if (nonav.length > 0) {
1346 $('.input_form.current').removeClass('current');
1348 // we're done here, no new inputform to focus on
1352 var noticeForm = $('#input_form_' + tag)
1353 .addClass('current')
1354 .find('.ajax-notice').each(function () {
1356 SN.Init.NoticeFormSetup(form);
1359 noticeForm.find('.notice_data-text').focus();
1365 showMoreMenuItems: function (menuid) {
1366 $('#' + menuid + ' .more_link').remove();
1367 var selector = '#' + menuid + ' .extended_menu';
1368 var extended = $(selector);
1369 extended.removeClass('extended_menu');
1376 * If user is logged in, run setup code for the new notice form:
1381 * - file upload events
1383 NoticeForm: function () {
1384 if ($('body.user_in').length > 0) {
1385 // SN.Init.NoticeFormSetup() will get run
1386 // when forms get displayed for the first time...
1388 // Initialize the input form field
1389 $('#input_form_nav .input_form_nav_tab.current').each(function () {
1390 current_tab_id = $(this).attr('id').substring('input_form_nav_'.length);
1391 SN.U.switchInputFormTab(current_tab_id, false);
1394 // Make inline reply forms self-close when clicking out.
1395 $('body').on('click', function (e) {
1396 var openReplies = $('li.notice-reply');
1397 if (openReplies.length > 0) {
1398 var target = $(e.target);
1399 openReplies.each(function () {
1400 // Did we click outside this one?
1401 var replyItem = $(this);
1402 if (replyItem.has(e.target).length == 0) {
1403 var textarea = replyItem.find('.notice_data-text:first');
1404 var cur = $.trim(textarea.val());
1405 // Only close if there's been no edit.
1406 if (cur == '' || cur == textarea.data('initialText')) {
1407 var parentNotice = replyItem.closest('li.notice');
1409 parentNotice.find('li.notice-reply-placeholder').show();
1416 // Infield labels for notice form inputs.
1417 $('.input_forms fieldset fieldset label').inFieldLabels({ fadeOpacity:0 });
1422 * Encapsulate notice form setup for a single form.
1423 * Plugins can add extra setup by monkeypatching this
1426 * @param {jQuery} form
1428 NoticeFormSetup: function (form) {
1429 if (form.data('NoticeFormSetup')) {
1432 SN.U.NoticeLocationAttach(form);
1433 SN.U.FormNoticeXHR(form);
1434 SN.U.FormNoticeEnhancements(form);
1435 SN.U.NoticeDataAttach(form);
1436 form.data('NoticeFormSetup', true);
1440 * Run setup code for notice timeline views items:
1442 * - AJAX submission for fave/repeat/reply (if logged in)
1443 * - Attachment link extras ('more' links)
1445 Notices: function () {
1446 if ($('body.user_in').length > 0) {
1447 var masterForm = $('.form_notice:first');
1448 if (masterForm.length > 0) {
1449 SN.C.I.NoticeFormMaster = document._importNode(masterForm[0], true);
1451 SN.U.NoticeRepeat();
1453 SN.U.NoticeInlineReplySetup();
1456 SN.U.NoticeAttachments();
1460 * Run setup code for user & group profile page header area if logged in:
1462 * - AJAX submission for sub/unsub/join/leave/nudge
1463 * - AJAX form popup for direct-message
1465 EntityActions: function () {
1466 if ($('body.user_in').length > 0) {
1467 $(document).on('click', '.form_user_subscribe', function () { SN.U.FormXHR($(this)); return false; });
1468 $(document).on('click', '.form_user_unsubscribe', function () { SN.U.FormXHR($(this)); return false; });
1469 $(document).on('click', '.form_group_join', function () { SN.U.FormXHR($(this)); return false; });
1470 $(document).on('click', '.form_group_leave', function () { SN.U.FormXHR($(this)); return false; });
1471 $(document).on('click', '.form_user_nudge', function () { SN.U.FormXHR($(this)); return false; });
1472 $(document).on('click', '.form_peopletag_subscribe', function () { SN.U.FormXHR($(this)); return false; });
1473 $(document).on('click', '.form_peopletag_unsubscribe', function () { SN.U.FormXHR($(this)); return false; });
1474 $(document).on('click', '.form_user_add_peopletag', function () { SN.U.FormXHR($(this)); return false; });
1475 $(document).on('click', '.form_user_remove_peopletag', function () { SN.U.FormXHR($(this)); return false; });
1477 SN.U.NewDirectMessage();
1481 ProfileSearch: function () {
1482 if ($('body.user_in').length > 0) {
1483 $(document).on('click', '.form_peopletag_edit_user_search input.submit', function () {
1484 SN.U.FormProfileSearchXHR($(this).parents('form')); return false;
1490 * Run setup code for login form:
1492 * - loads saved last-used-nickname from cookie
1493 * - sets event handler to save nickname to cookie on submit
1495 * @fixme is this necessary? Browsers do their own form saving these days.
1497 Login: function () {
1498 if (SN.U.StatusNetInstance.Get() !== null) {
1499 var nickname = SN.U.StatusNetInstance.Get().Nickname;
1500 if (nickname !== null) {
1501 $('#form_login #nickname').val(nickname);
1505 $('#form_login').on('submit', function () {
1506 SN.U.StatusNetInstance.Set({Nickname: $('#form_login #nickname').val()});
1512 * Run setup for the ajax people tags editor
1514 * - show edit button
1515 * - set event handle for click on edit button
1516 * - loads people tag autocompletion data if not already present
1517 * or if it is stale.
1520 PeopleTags: function () {
1521 $('.user_profile_tags .editable').append($('<button class="peopletags_edit_button"/>'));
1523 $(document).on('click', '.peopletags_edit_button', function () {
1524 var form = $(this).parents('dd').eq(0).find('form');
1525 // We can buy time from the above animation
1530 data: {token: $('#token').val()},
1532 success: function (data) {
1533 // item.label is used to match
1534 for (i=0; i < data.length; i++) {
1535 data[i].label = data[i].tag;
1538 SN.C.PtagACData = data;
1542 $(this).parents('ul').eq(0).fadeOut(200, function () {form.fadeIn(200).find('input#tags')});
1545 $(document).on('click', '.user_profile_tags form .submit', function () {
1546 SN.U.FormPeopletagsXHR($(this).parents('form')); return false;
1551 * Set up any generic 'ajax' form so it submits via AJAX with auto-replacement.
1553 AjaxForms: function () {
1554 $(document).on('submit', 'form.ajax', function () {
1555 SN.U.FormXHR($(this));
1558 $(document).on('click', 'form.ajax input[type=submit]', function () {
1559 // Some forms rely on knowing which submit button was clicked.
1560 // Save a hidden input field which'll be picked up during AJAX
1562 var button = $(this);
1563 var form = button.closest('form');
1564 form.find('.hidden-submit-button').remove();
1565 $('<input class="hidden-submit-button" type="hidden" />')
1566 .attr('name', button.attr('name'))
1573 * Add logic to any file upload forms to handle file size limits,
1574 * on browsers that support basic FileAPI.
1576 UploadForms: function () {
1577 $('input[type=file]').change(function (event) {
1578 if (typeof this.files === "object" && this.files.length > 0) {
1580 for (var i = 0; i < this.files.length; i++) {
1581 size += this.files[i].size;
1584 var max = SN.U.maxFileSize($(this.form));
1585 if (max > 0 && size > max) {
1586 var msg = 'File too large: maximum upload size is %d bytes.';
1587 alert(msg.replace('%d', max));
1591 event.preventDefault();
1598 CheckBoxes: function () {
1599 $("span[class='checkbox-wrapper']").addClass("unchecked");
1600 $(".checkbox-wrapper").click(function () {
1601 if ($(this).children("input").prop("checked")) {
1603 $(this).children("input").prop("checked", false);
1604 $(this).removeClass("checked");
1605 $(this).addClass("unchecked");
1606 $(this).children("label").text("Private?");
1609 $(this).children("input").prop("checked", true);
1610 $(this).removeClass("unchecked");
1611 $(this).addClass("checked");
1612 $(this).children("label").text("Private");
1620 * Run initialization functions on DOM-ready.
1622 * Note that if we're waiting on other scripts to load, this won't happen
1623 * until that's done. To load scripts asynchronously without delaying setup,
1624 * don't start them loading until after DOM-ready time!
1627 SN.Init.AjaxForms();
1628 SN.Init.UploadForms();
1629 SN.Init.CheckBoxes();
1630 if ($('.' + SN.C.S.FormNotice).length > 0) {
1631 SN.Init.NoticeForm();
1633 if ($('#content .notices').length > 0) {
1636 if ($('#content .entity_actions').length > 0) {
1637 SN.Init.EntityActions();
1639 if ($('#form_login').length > 0) {
1642 if ($('#profile_search_results').length > 0) {
1643 SN.Init.ProfileSearch();
1645 if ($('.user_profile_tags .editable').length > 0) {
1646 SN.Init.PeopleTags();