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 (jQuery.data(form[0], 'ElementData') === undefined) {
98 var MaxLength = form.find('.count').text();
99 if (MaxLength === undefined) {
100 MaxLength = SN.C.I.MaxLength;
102 jQuery.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(jQuery.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 = jQuery.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 || jQuery.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');
408 var placeholder = list.find('.notice-reply-placeholder');
411 var id = $(notice).attr('id');
412 if ($('#' + id).length == 0) {
413 $(notice).insertBefore(placeholder);
414 } // else Realtime came through before us...
416 // ...and show the placeholder form.
418 } else if (notices.length > 0 && SN.U.belongsOnTimeline(notice)) {
419 // Not a reply. If on our timeline, show it at the top!
421 if ($('#' + notice.id).length === 0) {
422 var notice_irt_value = form.find('[name=inreplyto]').val();
423 var notice_irt = '#notices_primary #notice-' + notice_irt_value;
424 if ($('body')[0].id == 'conversation') {
425 if (notice_irt_value.length > 0 && $(notice_irt + ' .notices').length < 1) {
426 $(notice_irt).append('<ul class="notices"></ul>');
428 $($(notice_irt + ' .notices')[0]).append(notice);
430 notices.prepend(notice);
433 .css({display: 'none'})
435 SN.U.NoticeWithAttachment($('#' + notice.id));
436 SN.U.switchInputFormTab(null);
439 // Not on a timeline that this belongs on?
440 // Just show a success message.
442 showFeedback('success', $('title', data).text());
446 form.find('[name=inreplyto]').val('');
447 form.find('.attach-status').remove();
448 SN.U.FormNoticeEnhancements(form);
451 complete: function (xhr, textStatus) {
453 .removeClass(SN.C.S.Processing)
455 .prop(SN.C.S.Disabled, false)
456 .removeClass(SN.C.S.Disabled);
458 form.find('[name=lat]').val(SN.C.I.NoticeDataGeo.NLat);
459 form.find('[name=lon]').val(SN.C.I.NoticeDataGeo.NLon);
460 form.find('[name=location_ns]').val(SN.C.I.NoticeDataGeo.NLNS);
461 form.find('[name=location_id]').val(SN.C.I.NoticeDataGeo.NLID);
462 form.find('[name=notice_data-geo]').prop('checked', SN.C.I.NoticeDataGeo.NDG);
467 FormProfileSearchXHR: function (form) {
471 url: form.attr('action'),
472 data: form.serialize() + '&ajax=1',
473 beforeSend: function (xhr) {
475 .addClass(SN.C.S.Processing)
477 .addClass(SN.C.S.Disabled)
478 .prop(SN.C.S.Disabled, true);
480 error: function (xhr, textStatus, errorThrown) {
481 window.alert(errorThrown || textStatus);
483 success: function (data, textStatus) {
484 var results_placeholder = $('#profile_search_results');
485 if ($('ul', data)[0] !== undefined) {
486 var list = document._importNode($('ul', data)[0], true);
487 results_placeholder.replaceWith(list);
489 var _error = $('<li/>').append(document._importNode($('p', data)[0], true));
490 results_placeholder.html(_error);
493 .removeClass(SN.C.S.Processing)
495 .removeClass(SN.C.S.Disabled)
496 .prop(SN.C.S.Disabled, false);
501 FormPeopletagsXHR: function (form) {
505 url: form.attr('action'),
506 data: form.serialize() + '&ajax=1',
507 beforeSend: function (xhr) {
509 .addClass(SN.C.S.Processing)
510 .addClass(SN.C.S.Disabled)
511 .prop(SN.C.S.Disabled, true);
513 error: function (xhr, textStatus, errorThrown) {
514 window.alert(errorThrown || textStatus);
516 success: function (data, textStatus) {
517 var results_placeholder = form.parents('.entity_tags');
518 if ($('.entity_tags', data)[0] !== undefined) {
519 var tags = document._importNode($('.entity_tags', data)[0], true);
520 $(tags).find('.editable').append($('<button class="peopletags_edit_button"/>'));
521 results_placeholder.replaceWith(tags);
523 results_placeholder.find('p').remove();
524 results_placeholder.append(document._importNode($('p', data)[0], true));
525 form.removeClass(SN.C.S.Processing)
527 .removeClass(SN.C.S.Disabled)
528 .prop(SN.C.S.Disabled, false);
534 normalizeGeoData: function (form) {
535 SN.C.I.NoticeDataGeo.NLat = form.find('[name=lat]').val();
536 SN.C.I.NoticeDataGeo.NLon = form.find('[name=lon]').val();
537 SN.C.I.NoticeDataGeo.NLNS = form.find('[name=location_ns]').val();
538 SN.C.I.NoticeDataGeo.NLID = form.find('[name=location_id]').val();
539 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').prop('checked'); // @fixme (does this still need to be fixed somehow?)
541 var cookieValue = $.cookie(SN.C.S.NoticeDataGeoCookie);
543 if (cookieValue !== undefined && cookieValue != 'disabled') {
544 cookieValue = JSON.parse(cookieValue);
545 SN.C.I.NoticeDataGeo.NLat = form.find('[name=lat]').val(cookieValue.NLat).val();
546 SN.C.I.NoticeDataGeo.NLon = form.find('[name=lon]').val(cookieValue.NLon).val();
547 if (cookieValue.NLNS) {
548 SN.C.I.NoticeDataGeo.NLNS = form.find('[name=location_ns]').val(cookieValue.NLNS).val();
549 SN.C.I.NoticeDataGeo.NLID = form.find('[name=location_id]').val(cookieValue.NLID).val();
551 form.find('[name=location_ns]').val('');
552 form.find('[name=location_id]').val('');
555 if (cookieValue == 'disabled') {
556 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').prop('checked', false).prop('checked');
558 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').prop('checked', true).prop('checked');
564 * Fetch an XML DOM from an XHR's response data.
566 * Works around unavailable responseXML when document.domain
567 * has been modified by Meteor or other tools, in some but not
570 * @param {XMLHTTPRequest} xhr
571 * @return DOMDocument
573 GetResponseXML: function (xhr) {
575 return xhr.responseXML;
577 return (new DOMParser()).parseFromString(xhr.responseText, "text/xml");
582 * Setup function -- DOES NOT trigger actions immediately.
584 * Sets up event handlers on all visible notice's reply buttons to
585 * tweak the new-notice form with needed variables and focus it
588 * (This replaces the default reply button behavior to submit
589 * directly to a form which comes back with a specialized page
590 * with the form data prefilled.)
594 NoticeReply: function () {
595 $(document).on('click', '#content .notice_reply', function (e) {
597 var notice = $(this).closest('li.notice');
598 SN.U.NoticeInlineReplyTrigger(notice);
604 * Stub -- kept for compat with plugins for now.
607 NoticeReplyTo: function (notice) {
611 * Open up a notice's inline reply box.
613 * @param {jQuery} notice: jQuery object containing one notice
614 * @param {String} initialText
616 NoticeInlineReplyTrigger: function (notice, initialText) {
617 // Find the notice we're replying to...
618 var id = $($('.notice_id', notice)[0]).text();
619 var replyForm, placeholder;
620 var parentNotice = notice;
621 var stripForm = true; // strip a couple things out of reply forms that are inline
623 var list = notice.closest('.notices');
624 if (list.hasClass('threaded-replies')) {
625 // We're replying to a reply; use reply form on the end of this list.
627 // We're replying to a parent notice; pull its threaded list
628 // and we'll add on the end of it. Will add the threaded list if needed.
629 var list = $('ul.threaded-replies', notice);
630 if (list.length == 0) {
631 list = $('<ul class="notices threaded-replies xoxo"></ul>');
633 list = notice.find('ul.threaded-replies');
637 var nextStep = function () {
639 replyForm.find('input[name=inreplyto]').val(id);
641 // Don't do this for old-school reply form, as they don't come back!
642 replyForm.find('#notice_to').prop('disabled', true).hide();
643 replyForm.find('#notice_private').prop('disabled', true).hide();
644 replyForm.find('label[for=notice_to]').hide();
645 replyForm.find('label[for=notice_private]').hide();
649 var text = replyForm.find('textarea');
650 if (text.length == 0) {
655 replyto = initialText + ' ';
657 text.val(replyto + text.val().replace(new RegExp(replyto, 'i'), ''));
658 text.data('initialText', $.trim(initialText));
660 if (text[0].setSelectionRange) {
661 var len = text.val().length;
662 text[0].setSelectionRange(len, len);
666 // See if the form's already open...
667 replyForm = $('.notice-reply-form', list);
668 if (replyForm.length > 0) {
669 // Update the existing form...
672 // Create the reply form entry at the end
673 var replyItem = $('li.notice-reply > form', list);
674 if (replyItem.length == 0) {
675 replyItem = $('<li class="notice-reply"></li>');
677 var intermediateStep = function (formMaster) {
678 var formEl = document._importNode(formMaster, true);
679 replyItem.append(formEl);
680 list.append(replyItem); // *after* the placeholder
682 var form = $(formEl);
684 SN.Init.NoticeFormSetup(form);
688 if (SN.C.I.NoticeFormMaster) {
689 // We've already saved a master copy of the form.
691 intermediateStep(SN.C.I.NoticeFormMaster);
693 // Fetch a fresh copy of the notice form over AJAX.
694 // Warning: this can have a delay, which looks bad.
695 // @fixme this fallback may or may not work
696 var url = $('#form_notice').attr('action');
697 $.get(url, {ajax: 1}, function (data, textStatus, xhr) {
698 intermediateStep($('form', data)[0]);
706 * Setup function -- DOES NOT apply immediately.
708 * Uses 'on' rather than 'live' or 'bind', so applies to future as well as present items.
710 NoticeInlineReplySetup: function () {
711 // Expand conversation links
712 $(document).on('click', 'li.notice-reply-comments a', function () {
713 var url = $(this).attr('href');
714 var area = $(this).closest('.threaded-replies');
715 $.get(url, {ajax: 1}, function (data, textStatus, xhr) {
716 var replies = $('.threaded-replies', data);
717 if (replies.length) {
718 area.replaceWith(document._importNode(replies[0], true));
726 * Setup function -- DOES NOT trigger actions immediately.
728 * Sets up event handlers for repeat forms to toss up a confirmation
729 * popout before submitting.
731 * Uses 'on' rather than 'live' or 'bind', so applies to future as well as present items.
734 NoticeRepeat: function () {
735 $('body').on('click', '.form_repeat', function (e) {
738 SN.U.NoticeRepeatConfirmation($(this));
744 * Shows a confirmation dialog box variant of the repeat button form.
745 * This seems to use a technique where the repeat form contains
746 * _both_ a standalone button _and_ text and buttons for a dialog.
747 * The dialog will close after its copy of the form is submitted,
748 * or if you click its 'close' button.
750 * The dialog is created by duplicating the original form and changing
751 * its style; while clever, this is hard to generalize and probably
752 * duplicates a lot of unnecessary HTML output.
754 * @fixme create confirmation dialogs through a generalized interface
755 * that can be reused instead of hardcoded text and styles.
757 * @param {jQuery} form
759 NoticeRepeatConfirmation: function (form) {
760 var submit_i = form.find('.submit');
762 var submit = submit_i.clone();
764 .addClass('submit_dialogbox')
765 .removeClass('submit');
767 submit.on('click', function () { SN.U.FormXHR(form); return false; });
772 .addClass('dialogbox')
773 .append('<button class="close">×</button>')
774 .closest('.notice-options')
777 form.find('button.close').click(function () {
781 .removeClass('dialogbox')
782 .closest('.notice-options')
783 .removeClass('opaque');
785 form.find('.submit_dialogbox').remove();
786 form.find('.submit').show();
793 * Setup function -- DOES NOT trigger actions immediately.
795 * Goes through all notices currently displayed and sets up attachment
796 * handling if needed.
798 NoticeAttachments: function () {
799 $('.notice a.attachment').each(function () {
800 SN.U.NoticeWithAttachment($(this).closest('.notice'));
805 * Setup function -- DOES NOT trigger actions immediately.
807 * Sets up special attachment link handling if needed. Currently this
808 * consists only of making the "more" button used for OStatus message
809 * cropping turn into an auto-expansion button that loads the full
810 * text from an attachment file.
812 * @param {jQuery} notice
814 NoticeWithAttachment: function (notice) {
815 if (notice.find('.attachment').length === 0) {
819 $(document).on('click','.attachment.more',function () {
821 m.addClass(SN.C.S.Processing);
822 $.get(m.attr('href'), {ajax: 1}, function (data) {
823 m.parent('.e-content').html($(data).find('#attachment_view .e-content').html());
832 * Setup function -- DOES NOT trigger actions immediately.
834 * Sets up event handlers for the file-attachment widget in the
835 * new notice form. When a file is selected, a box will be added
836 * below the text input showing the filename and, if supported
837 * by the browser, a thumbnail preview.
839 * This preview box will also allow removing the attachment
842 * @param {jQuery} form
844 NoticeDataAttach: function (form) {
846 var NDA = form.find('input[type=file]');
847 NDA.change(function (event) {
848 form.find('.attach-status').remove();
850 var filename = $(this).val();
852 // No file -- we've been tricked!
856 var attachStatus = $('<div class="attach-status ' + SN.C.S.Success + '"><code></code> <button class="close">×</button></div>');
857 attachStatus.find('code').text(filename);
858 attachStatus.find('button').click(function () {
859 attachStatus.remove();
864 form.append(attachStatus);
866 if (typeof this.files === "object") {
867 // Some newer browsers will let us fetch the files for preview.
868 for (i = 0; i < this.files.length; i++) {
869 SN.U.PreviewAttach(form, this.files[i]);
876 * Get PHP's MAX_FILE_SIZE setting for this form;
877 * used to apply client-side file size limit checks.
879 * @param {jQuery} form
880 * @return int max size in bytes; 0 or negative means no limit
882 maxFileSize: function (form) {
883 var max = $(form).find('input[name=MAX_FILE_SIZE]').attr('value');
885 return parseInt(max);
891 * For browsers with FileAPI support: make a thumbnail if possible,
892 * and append it into the attachment display widget.
895 * - Firefox 3.6.6, 4.0b7
896 * - Chrome 8.0.552.210
898 * Known ok metadata, can't get contents:
902 * - Opera 10.63, 11 beta (no input.files interface)
904 * @param {jQuery} form
907 * @todo use configured thumbnail size
908 * @todo detect pixel size?
909 * @todo should we render a thumbnail to a canvas and then use the smaller image?
911 PreviewAttach: function (form, file) {
912 var tooltip = file.type + ' ' + Math.round(file.size / 1024) + 'KB';
916 if (window.createObjectURL !== undefined) {
918 * createObjectURL lets us reference the file directly from an <img>
919 * This produces a compact URL with an opaque reference to the file,
920 * which we can reference immediately.
922 * - Firefox 3.6.6: no
923 * - Firefox 4.0b7: no
925 * - Chrome 8.0.552.210: works!
927 blobAsDataURL = function (blob, callback) {
928 callback(window.createObjectURL(blob));
930 } else if (window.FileReader !== undefined) {
932 * FileAPI's FileReader can build a data URL from a blob's contents,
933 * but it must read the file and build it asynchronously. This means
934 * we'll be passing a giant data URL around, which may be inefficient.
936 * - Firefox 3.6.6: works!
937 * - Firefox 4.0b7: works!
939 * - Chrome 8.0.552.210: works!
941 blobAsDataURL = function (blob, callback) {
942 var reader = new FileReader();
943 reader.onload = function (event) {
944 callback(reader.result);
946 reader.readAsDataURL(blob);
952 var imageTypes = ['image/png', 'image/jpeg', 'image/gif', 'image/svg+xml'];
953 if ($.inArray(file.type, imageTypes) == -1) {
954 // We probably don't know how to show the file.
958 var maxSize = 8 * 1024 * 1024;
959 if (file.size > maxSize) {
960 // Don't kill the browser trying to load some giant image.
965 blobAsDataURL(file, function (url) {
967 .attr('title', tooltip)
968 .attr('alt', tooltip)
970 .attr('style', 'height: 120px');
971 form.find('.attach-status').append(img);
974 var img = $('<div></div>').text(tooltip);
975 form.find('.attach-status').append(img);
980 * Setup function -- DOES NOT trigger actions immediately.
982 * Initializes state for the location-lookup features in the
983 * new-notice form. Seems to set up some event handlers for
984 * triggering lookups and using the new values.
986 * @param {jQuery} form
989 * @fixme there's not good visual state update here, so users have a
990 * hard time figuring out if it's working or fixing if it's wrong.
993 NoticeLocationAttach: function (form) {
994 // @fixme this should not be tied to the main notice form, as there may be multiple notice forms...
995 var NLat = form.find('[name=lat]');
996 var NLon = form.find('[name=lon]');
997 var NLNS = form.find('[name=location_ns]').val();
998 var NLID = form.find('[name=location_id]').val();
999 var NLN = ''; // @fixme
1000 var NDGe = form.find('[name=notice_data-geo]');
1001 var check = form.find('[name=notice_data-geo]');
1002 var label = form.find('label.notice_data-geo');
1004 function removeNoticeDataGeo(error) {
1006 .attr('title', jQuery.trim(label.text()))
1007 .removeClass('checked');
1009 form.find('[name=lat]').val('');
1010 form.find('[name=lon]').val('');
1011 form.find('[name=location_ns]').val('');
1012 form.find('[name=location_id]').val('');
1013 form.find('[name=notice_data-geo]').prop('checked', false);
1015 $.cookie(SN.C.S.NoticeDataGeoCookie, 'disabled', { path: '/' });
1018 form.find('.geo_status_wrapper').removeClass('success').addClass('error');
1019 form.find('.geo_status_wrapper .geo_status').text(error);
1021 form.find('.geo_status_wrapper').remove();
1025 function getJSONgeocodeURL(geocodeURL, data) {
1026 SN.U.NoticeGeoStatus(form, 'Looking up place name...');
1027 $.getJSON(geocodeURL, data, function (location) {
1028 var lns, lid, NLN_text;
1030 if (location.location_ns !== undefined) {
1031 form.find('[name=location_ns]').val(location.location_ns);
1032 lns = location.location_ns;
1035 if (location.location_id !== undefined) {
1036 form.find('[name=location_id]').val(location.location_id);
1037 lid = location.location_id;
1040 if (location.name === undefined) {
1041 NLN_text = data.lat + ';' + data.lon;
1043 NLN_text = location.name;
1046 SN.U.NoticeGeoStatus(form, NLN_text, data.lat, data.lon, location.url);
1048 .attr('title', NoticeDataGeo_text.ShareDisable + ' (' + NLN_text + ')');
1050 form.find('[name=lat]').val(data.lat);
1051 form.find('[name=lon]').val(data.lon);
1052 form.find('[name=location_ns]').val(lns);
1053 form.find('[name=location_id]').val(lid);
1054 form.find('[name=notice_data-geo]').prop('checked', true);
1066 $.cookie(SN.C.S.NoticeDataGeoCookie, JSON.stringify(cookieValue), { path: '/' });
1070 if (check.length > 0) {
1071 if ($.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
1072 check.prop('checked', false);
1074 check.prop('checked', true);
1077 var NGW = form.find('.notice_data-geo_wrap');
1078 var geocodeURL = NGW.attr('data-api');
1080 label.attr('title', label.text());
1082 check.change(function () {
1083 if (check.prop('checked') === true || $.cookie(SN.C.S.NoticeDataGeoCookie) === null) {
1085 .attr('title', NoticeDataGeo_text.ShareDisable)
1086 .addClass('checked');
1088 if ($.cookie(SN.C.S.NoticeDataGeoCookie) === null || $.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
1089 if (navigator.geolocation) {
1090 SN.U.NoticeGeoStatus(form, 'Requesting location from browser...');
1091 navigator.geolocation.getCurrentPosition(
1092 function (position) {
1093 form.find('[name=lat]').val(position.coords.latitude);
1094 form.find('[name=lon]').val(position.coords.longitude);
1097 lat: position.coords.latitude,
1098 lon: position.coords.longitude,
1099 token: $('#token').val()
1102 getJSONgeocodeURL(geocodeURL, data);
1106 switch(error.code) {
1107 case error.PERMISSION_DENIED:
1108 removeNoticeDataGeo('Location permission denied.');
1111 //$('#' + SN.C.S.NoticeDataGeo).prop('checked', false);
1112 removeNoticeDataGeo('Location lookup timeout.');
1122 if (NLat.length > 0 && NLon.length > 0) {
1126 token: $('#token').val()
1129 getJSONgeocodeURL(geocodeURL, data);
1131 removeNoticeDataGeo();
1138 var cookieValue = JSON.parse($.cookie(SN.C.S.NoticeDataGeoCookie));
1140 form.find('[name=lat]').val(cookieValue.NLat);
1141 form.find('[name=lon]').val(cookieValue.NLon);
1142 form.find('[name=location_ns]').val(cookieValue.NLNS);
1143 form.find('[name=location_id]').val(cookieValue.NLID);
1144 form.find('[name=notice_data-geo]').prop('checked', cookieValue.NDG);
1146 SN.U.NoticeGeoStatus(form, cookieValue.NLN, cookieValue.NLat, cookieValue.NLon, cookieValue.NLNU);
1148 .attr('title', NoticeDataGeo_text.ShareDisable + ' (' + cookieValue.NLN + ')')
1149 .addClass('checked');
1151 console.log('Parsing error:', e);
1155 removeNoticeDataGeo();
1162 * Create or update a geolocation status widget in this notice posting form.
1164 * @param {jQuery} form
1165 * @param {String} status
1166 * @param {String} lat (optional)
1167 * @param {String} lon (optional)
1168 * @param {String} url (optional)
1170 NoticeGeoStatus: function (form, status, lat, lon, url)
1172 var wrapper = form.find('.geo_status_wrapper');
1173 if (wrapper.length == 0) {
1174 wrapper = $('<div class="' + SN.C.S.Success + ' geo_status_wrapper"><button class="close" style="float:right">×</button><div class="geo_status"></div></div>');
1175 wrapper.find('button.close').click(function () {
1176 form.find('[name=notice_data-geo]').prop('checked', false).change();
1179 form.append(wrapper);
1183 label = $('<a></a>').attr('href', url);
1185 label = $('<span></span>');
1189 var latlon = lat + ';' + lon;
1190 label.attr('title', latlon);
1195 wrapper.find('.geo_status').empty().append(label);
1199 * Setup function -- DOES NOT trigger actions immediately.
1201 * Initializes event handlers for the "Send direct message" link on
1202 * profile pages, setting it up to display a dialog box when clicked.
1204 * Unlike the repeat confirmation form, this appears to fetch
1205 * the form _from the original link target_, so the form itself
1206 * doesn't need to be in the current document.
1208 * @fixme breaks ability to open link in new window?
1210 NewDirectMessage: function () {
1211 NDM = $('.entity_send-a-message a');
1212 NDM.attr({'href': NDM.attr('href') + '&ajax=1'});
1213 NDM.on('click', function () {
1214 var NDMF = $('.entity_send-a-message form');
1215 if (NDMF.length === 0) {
1216 $(this).addClass(SN.C.S.Processing);
1217 $.get(NDM.attr('href'), null, function (data) {
1218 $('.entity_send-a-message').append(document._importNode($('form', data)[0], true));
1219 NDMF = $('.entity_send-a-message .form_notice');
1220 SN.U.FormNoticeXHR(NDMF);
1221 SN.U.FormNoticeEnhancements(NDMF);
1222 NDMF.append('<button class="close">×</button>');
1223 $('.entity_send-a-message button').click(function () {
1227 NDM.removeClass(SN.C.S.Processing);
1231 $('.entity_send-a-message textarea').focus();
1238 * Return a date object with the current local time on the
1239 * given year, month, and day.
1241 * @param {number} year: 4-digit year
1242 * @param {number} month: 0 == January
1243 * @param {number} day: 1 == 1
1246 GetFullYear: function (year, month, day) {
1247 var date = new Date();
1248 date.setFullYear(year, month, day);
1254 * Some sort of object interface for storing some structured
1255 * information in a cookie.
1257 * Appears to be used to save the last-used login nickname?
1258 * That's something that browsers usually take care of for us
1259 * these days, do we really need to do it? Does anything else
1260 * use this interface?
1262 * @fixme what is this?
1263 * @fixme should this use non-cookie local storage when available?
1265 StatusNetInstance: {
1267 * @fixme what is this?
1269 Set: function (value) {
1270 var SNI = SN.U.StatusNetInstance.Get();
1272 value = $.extend(SNI, value);
1276 SN.C.S.StatusNetInstance,
1277 JSON.stringify(value),
1280 expires: SN.U.GetFullYear(2029, 0, 1)
1285 * @fixme what is this?
1288 var cookieValue = $.cookie(SN.C.S.StatusNetInstance);
1289 if (cookieValue !== undefined) {
1290 return JSON.parse(cookieValue);
1296 * @fixme what is this?
1298 Delete: function () {
1299 $.cookie(SN.C.S.StatusNetInstance, null);
1304 * Check if the current page is a timeline where the current user's
1305 * posts should be displayed immediately on success.
1307 * @fixme this should be done in a saner way, with machine-readable
1308 * info about what page we're looking at.
1310 * @param {DOMElement} notice: HTML chunk with formatted notice
1313 belongsOnTimeline: function (notice) {
1314 var action = $("body").attr('id');
1315 if (action == 'public') {
1319 var profileLink = $('#nav_profile a').attr('href');
1321 var authorUrl = $(notice).find('.h-card.p-author').attr('href');
1322 if (authorUrl == profileLink) {
1323 if (action == 'all' || action == 'showstream') {
1324 // Posts always show on your own friends and profile streams.
1330 // @fixme tag, group, reply timelines should be feasible as well.
1331 // Mismatch between id-based and name-based user/group links currently complicates
1332 // the lookup, since all our inline mentions contain the absolute links but the
1333 // UI links currently on the page use malleable names.
1339 * Switch to another active input sub-form.
1340 * This will hide the current form (if any), show the new one, and
1341 * update the input type tab selection state.
1343 * @param {String} tag
1345 switchInputFormTab: function (tag, setFocus) {
1346 if (typeof setFocus === 'undefined') { setFocus = true; }
1347 // The one that's current isn't current anymore
1348 $('.input_form_nav_tab.current').removeClass('current');
1350 $('#input_form_nav_' + tag).addClass('current');
1353 // Don't remove 'current' if we also have the "nonav" class.
1354 // An example would be the message input form. removing
1355 // 'current' will cause the form to vanish from the page.
1356 var nonav = $('.input_form.current.nonav');
1357 if (nonav.length > 0) {
1361 $('.input_form.current').removeClass('current');
1363 // we're done here, no new inputform to focus on
1367 var noticeForm = $('#input_form_' + tag)
1368 .addClass('current')
1369 .find('.ajax-notice').each(function () {
1371 SN.Init.NoticeFormSetup(form);
1374 noticeForm.find('.notice_data-text').focus();
1380 showMoreMenuItems: function (menuid) {
1381 $('#' + menuid + ' .more_link').remove();
1382 var selector = '#' + menuid + ' .extended_menu';
1383 var extended = $(selector);
1384 extended.removeClass('extended_menu');
1391 * If user is logged in, run setup code for the new notice form:
1396 * - file upload events
1398 NoticeForm: function () {
1399 if ($('body.user_in').length > 0) {
1400 // SN.Init.NoticeFormSetup() will get run
1401 // when forms get displayed for the first time...
1403 // Initialize the input form field
1404 $('#input_form_nav .input_form_nav_tab.current').each(function () {
1405 current_tab_id = $(this).attr('id').substring('input_form_nav_'.length);
1406 SN.U.switchInputFormTab(current_tab_id, false);
1409 // Make inline reply forms self-close when clicking out.
1410 $('body').on('click', function (e) {
1411 var openReplies = $('li.notice-reply');
1412 if (openReplies.length > 0) {
1413 var target = $(e.target);
1414 openReplies.each(function () {
1415 // Did we click outside this one?
1416 var replyItem = $(this);
1417 if (replyItem.has(e.target).length == 0) {
1418 var textarea = replyItem.find('.notice_data-text:first');
1419 var cur = $.trim(textarea.val());
1420 // Only close if there's been no edit.
1421 if (cur == '' || cur == textarea.data('initialText')) {
1422 var parentNotice = replyItem.closest('li.notice');
1424 parentNotice.find('li.notice-reply-placeholder').show();
1431 // Infield labels for notice form inputs.
1432 $('.input_forms fieldset fieldset label').inFieldLabels({ fadeOpacity:0 });
1437 * Encapsulate notice form setup for a single form.
1438 * Plugins can add extra setup by monkeypatching this
1441 * @param {jQuery} form
1443 NoticeFormSetup: function (form) {
1444 if (!form.data('NoticeFormSetup')) {
1445 SN.U.NoticeLocationAttach(form);
1446 SN.U.FormNoticeXHR(form);
1447 SN.U.FormNoticeEnhancements(form);
1448 SN.U.NoticeDataAttach(form);
1449 form.data('NoticeFormSetup', true);
1454 * Run setup code for notice timeline views items:
1456 * - AJAX submission for fave/repeat/reply (if logged in)
1457 * - Attachment link extras ('more' links)
1459 Notices: function () {
1460 if ($('body.user_in').length > 0) {
1461 var masterForm = $('.form_notice:first');
1462 if (masterForm.length > 0) {
1463 SN.C.I.NoticeFormMaster = document._importNode(masterForm[0], true);
1465 SN.U.NoticeRepeat();
1467 SN.U.NoticeInlineReplySetup();
1470 SN.U.NoticeAttachments();
1474 * Run setup code for user & group profile page header area if logged in:
1476 * - AJAX submission for sub/unsub/join/leave/nudge
1477 * - AJAX form popup for direct-message
1479 EntityActions: function () {
1480 if ($('body.user_in').length > 0) {
1481 $(document).on('click', '.form_user_subscribe', function () { SN.U.FormXHR($(this)); return false; });
1482 $(document).on('click', '.form_user_unsubscribe', function () { SN.U.FormXHR($(this)); return false; });
1483 $(document).on('click', '.form_group_join', function () { SN.U.FormXHR($(this)); return false; });
1484 $(document).on('click', '.form_group_leave', function () { SN.U.FormXHR($(this)); return false; });
1485 $(document).on('click', '.form_user_nudge', function () { SN.U.FormXHR($(this)); return false; });
1486 $(document).on('click', '.form_peopletag_subscribe', function () { SN.U.FormXHR($(this)); return false; });
1487 $(document).on('click', '.form_peopletag_unsubscribe', function () { SN.U.FormXHR($(this)); return false; });
1488 $(document).on('click', '.form_user_add_peopletag', function () { SN.U.FormXHR($(this)); return false; });
1489 $(document).on('click', '.form_user_remove_peopletag', function () { SN.U.FormXHR($(this)); return false; });
1491 SN.U.NewDirectMessage();
1495 ProfileSearch: function () {
1496 if ($('body.user_in').length > 0) {
1497 $(document).on('click', '.form_peopletag_edit_user_search input.submit', function () {
1498 SN.U.FormProfileSearchXHR($(this).parents('form')); return false;
1504 * Run setup code for login form:
1506 * - loads saved last-used-nickname from cookie
1507 * - sets event handler to save nickname to cookie on submit
1509 * @fixme is this necessary? Browsers do their own form saving these days.
1511 Login: function () {
1512 if (SN.U.StatusNetInstance.Get() !== null) {
1513 var nickname = SN.U.StatusNetInstance.Get().Nickname;
1514 if (nickname !== null) {
1515 $('#form_login #nickname').val(nickname);
1519 $('#form_login').on('submit', function () {
1520 SN.U.StatusNetInstance.Set({Nickname: $('#form_login #nickname').val()});
1526 * Run setup for the ajax people tags editor
1528 * - show edit button
1529 * - set event handle for click on edit button
1530 * - loads people tag autocompletion data if not already present
1531 * or if it is stale.
1534 PeopleTags: function () {
1535 $('.user_profile_tags .editable').append($('<button class="peopletags_edit_button"/>'));
1537 $(document).on('click', '.peopletags_edit_button', function () {
1538 var form = $(this).parents('dd').eq(0).find('form');
1539 // We can buy time from the above animation
1544 data: {token: $('#token').val()},
1546 success: function (data) {
1547 // item.label is used to match
1548 for (i=0; i < data.length; i++) {
1549 data[i].label = data[i].tag;
1552 SN.C.PtagACData = data;
1556 $(this).parents('ul').eq(0).fadeOut(200, function () {form.fadeIn(200).find('input#tags')});
1559 $(document).on('click', '.user_profile_tags form .submit', function () {
1560 SN.U.FormPeopletagsXHR($(this).parents('form')); return false;
1565 * Set up any generic 'ajax' form so it submits via AJAX with auto-replacement.
1567 AjaxForms: function () {
1568 $(document).on('submit', 'form.ajax', function () {
1569 SN.U.FormXHR($(this));
1572 $(document).on('click', 'form.ajax input[type=submit]', function () {
1573 // Some forms rely on knowing which submit button was clicked.
1574 // Save a hidden input field which'll be picked up during AJAX
1576 var button = $(this);
1577 var form = button.closest('form');
1578 form.find('.hidden-submit-button').remove();
1579 $('<input class="hidden-submit-button" type="hidden" />')
1580 .attr('name', button.attr('name'))
1587 * Add logic to any file upload forms to handle file size limits,
1588 * on browsers that support basic FileAPI.
1590 UploadForms: function () {
1591 $('input[type=file]').change(function (event) {
1592 if (typeof this.files === "object" && this.files.length > 0) {
1594 for (var i = 0; i < this.files.length; i++) {
1595 size += this.files[i].size;
1598 var max = SN.U.maxFileSize($(this.form));
1599 if (max > 0 && size > max) {
1600 var msg = 'File too large: maximum upload size is %d bytes.';
1601 alert(msg.replace('%d', max));
1605 event.preventDefault();
1612 CheckBoxes: function () {
1613 $("span[class='checkbox-wrapper']").addClass("unchecked");
1614 $(".checkbox-wrapper").click(function () {
1615 if ($(this).children("input").prop("checked")) {
1617 $(this).children("input").prop("checked", false);
1618 $(this).removeClass("checked");
1619 $(this).addClass("unchecked");
1620 $(this).children("label").text("Private?");
1623 $(this).children("input").prop("checked", true);
1624 $(this).removeClass("unchecked");
1625 $(this).addClass("checked");
1626 $(this).children("label").text("Private");
1634 * Run initialization functions on DOM-ready.
1636 * Note that if we're waiting on other scripts to load, this won't happen
1637 * until that's done. To load scripts asynchronously without delaying setup,
1638 * don't start them loading until after DOM-ready time!
1641 SN.Init.AjaxForms();
1642 SN.Init.UploadForms();
1643 SN.Init.CheckBoxes();
1644 if ($('.' + SN.C.S.FormNotice).length > 0) {
1645 SN.Init.NoticeForm();
1647 if ($('#content .notices').length > 0) {
1650 if ($('#content .entity_actions').length > 0) {
1651 SN.Init.EntityActions();
1653 if ($('#form_login').length > 0) {
1656 if ($('#profile_search_results').length > 0) {
1657 SN.Init.ProfileSearch();
1659 if ($('.user_profile_tags .editable').length > 0) {
1660 SN.Init.PeopleTags();