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\-_.]*$/,
34 HTTP20x30x: [200, 201, 202, 203, 204, 205, 206, 300, 301, 302, 303, 304, 305, 306, 307],
38 * @fixme are these worth the trouble? They seem to mostly just duplicate
39 * themselves while slightly obscuring the actual selector, so it's hard
40 * to pop over to the HTML and find something.
42 * In theory, minification could reduce them to shorter variable names,
43 * but at present that doesn't happen with yui-compressor.
50 Processing: 'processing',
51 CommandResult: 'command_result',
52 FormNotice: 'form_notice',
53 NoticeDataGeo: 'notice_data-geo',
54 NoticeDataGeoCookie: 'NoticeDataGeo',
55 NoticeDataGeoSelected: 'notice_data-geo_selected',
56 StatusNetInstance: 'StatusNetInstance'
61 * Map of localized message strings exported to script from the PHP
62 * side via Action::getScriptMessages().
64 * Retrieve them via SN.msg(); this array is an implementation detail.
71 * Grabs a localized string that's been previously exported to us
72 * from server-side code via Action::getScriptMessages().
74 * @example alert(SN.msg('coolplugin-failed'));
76 * @param {String} key: string key name to pull from message index
77 * @return matching localized message string
80 if (SN.messages[key] === undefined) {
81 return '[' + key + ']';
83 return SN.messages[key];
88 * Setup function -- DOES NOT trigger actions immediately.
90 * Sets up event handlers on the new notice form.
92 * @param {jQuery} form: jQuery object whose first matching element is the form
95 FormNoticeEnhancements: function (form) {
96 if ($.data(form[0], 'ElementData') === undefined) {
97 var MaxLength = form.find('.count').text();
98 if (MaxLength === undefined) {
99 MaxLength = SN.C.I.MaxLength;
101 $.data(form[0], 'ElementData', {MaxLength: MaxLength});
105 var NDT = form.find('.notice_data-text:first');
107 NDT.on('keyup', function (e) {
111 var delayedUpdate = function (e) {
112 // Cut and paste events fire *before* the operation,
113 // so we need to trigger an update in a little bit.
114 // This would be so much easier if the 'change' event
115 // actually fired every time the value changed. :P
116 window.setTimeout(function () {
120 // Note there's still no event for mouse-triggered 'delete'.
121 NDT.on('cut', delayedUpdate)
122 .on('paste', delayedUpdate);
124 form.find('.count').text($.data(form[0], 'ElementData').MaxLength);
129 * To be called from event handlers on the notice import form.
130 * Triggers an update of the remaining-characters counter.
132 * Additional counter updates will be suppressed during the
133 * next half-second to avoid flooding the layout engine with
134 * updates, followed by another automatic check.
136 * The maximum length is pulled from data established by
137 * FormNoticeEnhancements.
139 * @param {jQuery} form: jQuery object whose first element is the notice posting form
142 Counter: function (form) {
143 SN.C.I.FormNoticeCurrent = form;
145 var MaxLength = $.data(form[0], 'ElementData').MaxLength;
147 if (MaxLength <= 0) {
151 var remaining = MaxLength - SN.U.CharacterCount(form);
152 var counter = form.find('.count');
154 if (remaining.toString() != counter.text()) {
155 if (!SN.C.I.CounterBlackout || remaining === 0) {
156 if (counter.text() != String(remaining)) {
157 counter.text(remaining);
160 form.addClass(SN.C.S.Warning);
162 form.removeClass(SN.C.S.Warning);
164 // Skip updates for the next 500ms.
165 // On slower hardware, updating on every keypress is unpleasant.
166 if (!SN.C.I.CounterBlackout) {
167 SN.C.I.CounterBlackout = true;
168 SN.C.I.FormNoticeCurrent = form;
169 window.setTimeout("SN.U.ClearCounterBlackout(SN.C.I.FormNoticeCurrent);", 500);
176 * Pull the count of characters in the current edit field.
177 * Plugins replacing the edit control may need to override this.
179 * @param {jQuery} form: jQuery object whose first element is the notice posting form
180 * @return number of chars
182 CharacterCount: function (form) {
183 return form.find('.notice_data-text:first').val().length;
187 * Called internally after the counter update blackout period expires;
188 * runs another update to make sure we didn't miss anything.
190 * @param {jQuery} form: jQuery object whose first element is the notice posting form
193 ClearCounterBlackout: function (form) {
194 // Allow keyup events to poke the counter again
195 SN.C.I.CounterBlackout = false;
196 // Check if the string changed since we last looked
201 * Helper function to rewrite default HTTP form action URLs to HTTPS
202 * so we can actually fetch them when on an SSL page in ssl=sometimes
205 * It would be better to output URLs that didn't hardcode protocol
206 * and hostname in the first place...
208 * @param {String} url
211 RewriteAjaxAction: function (url) {
212 // Quick hack: rewrite AJAX submits to HTTPS if they'd fail otherwise.
213 if (document.location.protocol === 'https:' && url.substr(0, 5) === 'http:') {
214 return url.replace(/^http:\/\/[^:\/]+/, 'https://' + document.location.host);
220 * Grabs form data and submits it asynchronously, with 'ajax=1'
221 * parameter added to the rest.
223 * If a successful response includes another form, that form
224 * will be extracted and copied in, replacing the original form.
225 * If there's no form, the first paragraph will be used.
227 * This will automatically be applied on the 'submit' event for
228 * any form with the 'ajax' class.
230 * @fixme can sometimes explode confusingly if returnd data is bogus
231 * @fixme error handling is pretty vague
232 * @fixme can't submit file uploads
234 * @param {jQuery} form: jQuery object whose first element is a form
235 * @param function onSuccess: something extra to do on success
239 FormXHR: function (form, onSuccess) {
243 url: SN.U.RewriteAjaxAction(form.attr('action')),
244 data: form.serialize() + '&ajax=1',
245 beforeSend: function (xhr) {
247 .addClass(SN.C.S.Processing)
249 .addClass(SN.C.S.Disabled)
250 .prop(SN.C.S.Disabled, true);
252 error: function (xhr, textStatus, errorThrown) {
253 // If the server end reported an error from StatusNet,
254 // find it -- otherwise we'll see what was reported
256 var errorReported = null;
257 if (xhr.responseXML) {
258 errorReported = $('#error', xhr.responseXML).text();
260 window.alert(errorReported || errorThrown || textStatus);
262 // Restore the form to original state.
265 .removeClass(SN.C.S.Processing)
267 .removeClass(SN.C.S.Disabled)
268 .prop(SN.C.S.Disabled, false);
270 success: function (data, textStatus) {
271 if ($('form', data)[0] !== undefined) {
272 var form_new = document._importNode($('form', data)[0], true);
273 form.replaceWith(form_new);
277 } else if ($('p', data)[0] !== undefined) {
278 form.replaceWith(document._importNode($('p', data)[0], true));
283 window.alert('Unknown error.');
290 * Setup function -- DOES NOT trigger actions immediately.
292 * Sets up event handlers for special-cased async submission of the
293 * notice-posting form, including some pre-post validation.
295 * Unlike FormXHR() this does NOT submit the form immediately!
296 * It sets up event handlers so that any method of submitting the
297 * form (click on submit button, enter, submit() etc) will trigger
300 * Also unlike FormXHR(), this system will use a hidden iframe
301 * automatically to handle file uploads via <input type="file">
305 * @fixme vast swaths of duplicate code and really long variable names clutter this function up real bad
306 * @fixme error handling is unreliable
307 * @fixme cookieValue is a global variable, but probably shouldn't be
308 * @fixme saving the location cache cookies should be split out
309 * @fixme some error messages are hardcoded english: needs i18n
311 * @param {jQuery} form: jQuery object whose first element is a form
315 FormNoticeXHR: function (form) {
316 SN.C.I.NoticeDataGeo = {};
317 form.append('<input type="hidden" name="ajax" value="1"/>');
319 // Make sure we don't have a mixed HTTP/HTTPS submission...
320 form.attr('action', SN.U.RewriteAjaxAction(form.attr('action')));
323 * Show a response feedback bit under the new-notice dialog.
325 * @param {String} cls: CSS class name to use ('error' or 'success')
326 * @param {String} text
329 var showFeedback = function (cls, text) {
331 $('<p class="form_response"></p>')
338 * Hide the previous response feedback, if any.
340 var removeFeedback = function () {
341 form.find('.form_response').remove();
347 beforeSend: function (formData) {
348 if (form.find('.notice_data-text:first').val() == '') {
349 form.addClass(SN.C.S.Warning);
353 .addClass(SN.C.S.Processing)
355 .addClass(SN.C.S.Disabled)
356 .prop(SN.C.S.Disabled, true);
358 SN.U.normalizeGeoData(form);
362 error: function (xhr, textStatus, errorThrown) {
364 .removeClass(SN.C.S.Processing)
366 .removeClass(SN.C.S.Disabled)
367 .prop(SN.C.S.Disabled, false);
369 if (textStatus == 'timeout') {
371 showFeedback('error', 'Sorry! We had trouble sending your notice. The servers are overloaded. Please try again, and contact the site administrator if this problem persists.');
373 var response = SN.U.GetResponseXML(xhr);
374 if ($('.' + SN.C.S.Error, response).length > 0) {
375 form.append(document._importNode($('.' + SN.C.S.Error, response)[0], true));
377 if (parseInt(xhr.status) === 0 || $.inArray(parseInt(xhr.status), SN.C.I.HTTP20x30x) >= 0) {
380 .find('.attach-status').remove();
381 SN.U.FormNoticeEnhancements(form);
384 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.');
389 success: function (data, textStatus) {
391 var errorResult = $('#' + SN.C.S.Error, data);
392 if (errorResult.length > 0) {
393 showFeedback('error', errorResult.text());
395 var commandResult = $('#' + SN.C.S.CommandResult, data);
396 if (commandResult.length > 0) {
397 showFeedback('success', commandResult.text());
399 // New notice post was successful. If on our timeline, show it!
400 var notice = document._importNode($('li', data)[0], true);
401 var notices = $('#notices_primary .notices:first');
402 var replyItem = form.closest('li.notice-reply');
404 if (replyItem.length > 0) {
405 // If this is an inline reply, remove the form...
406 var list = form.closest('.threaded-replies');
408 var id = $(notice).attr('id');
409 if ($('#' + id).length == 0) {
410 $(notice).insertBefore(replyItem);
411 } // else Realtime came through before us...
415 } else if (notices.length > 0 && SN.U.belongsOnTimeline(notice)) {
416 // Not a reply. If on our timeline, show it at the top!
418 if ($('#' + notice.id).length === 0) {
419 var notice_irt_value = form.find('[name=inreplyto]').val();
420 var notice_irt = '#notices_primary #notice-' + notice_irt_value;
421 if ($('body')[0].id == 'conversation') {
422 if (notice_irt_value.length > 0 && $(notice_irt + ' .notices').length < 1) {
423 $(notice_irt).append('<ul class="notices"></ul>');
425 $($(notice_irt + ' .notices')[0]).append(notice);
427 notices.prepend(notice);
430 .css({display: 'none'})
432 SN.U.NoticeWithAttachment($('#' + notice.id));
433 SN.U.switchInputFormTab(null);
436 // Not on a timeline that this belongs on?
437 // Just show a success message.
439 showFeedback('success', $('title', data).text());
443 form.find('[name=inreplyto]').val('');
444 form.find('.attach-status').remove();
445 SN.U.FormNoticeEnhancements(form);
448 complete: function (xhr, textStatus) {
450 .removeClass(SN.C.S.Processing)
452 .prop(SN.C.S.Disabled, false)
453 .removeClass(SN.C.S.Disabled);
455 form.find('[name=lat]').val(SN.C.I.NoticeDataGeo.NLat);
456 form.find('[name=lon]').val(SN.C.I.NoticeDataGeo.NLon);
457 form.find('[name=location_ns]').val(SN.C.I.NoticeDataGeo.NLNS);
458 form.find('[name=location_id]').val(SN.C.I.NoticeDataGeo.NLID);
459 form.find('[name=notice_data-geo]').prop('checked', SN.C.I.NoticeDataGeo.NDG);
464 FormProfileSearchXHR: function (form) {
468 url: form.attr('action'),
469 data: form.serialize() + '&ajax=1',
470 beforeSend: function (xhr) {
472 .addClass(SN.C.S.Processing)
474 .addClass(SN.C.S.Disabled)
475 .prop(SN.C.S.Disabled, true);
477 error: function (xhr, textStatus, errorThrown) {
478 window.alert(errorThrown || textStatus);
480 success: function (data, textStatus) {
481 var results_placeholder = $('#profile_search_results');
482 if ($('ul', data)[0] !== undefined) {
483 var list = document._importNode($('ul', data)[0], true);
484 results_placeholder.replaceWith(list);
486 var _error = $('<li/>').append(document._importNode($('p', data)[0], true));
487 results_placeholder.html(_error);
490 .removeClass(SN.C.S.Processing)
492 .removeClass(SN.C.S.Disabled)
493 .prop(SN.C.S.Disabled, false);
498 FormPeopletagsXHR: function (form) {
502 url: form.attr('action'),
503 data: form.serialize() + '&ajax=1',
504 beforeSend: function (xhr) {
506 .addClass(SN.C.S.Processing)
507 .addClass(SN.C.S.Disabled)
508 .prop(SN.C.S.Disabled, true);
510 error: function (xhr, textStatus, errorThrown) {
511 window.alert(errorThrown || textStatus);
513 success: function (data, textStatus) {
514 var results_placeholder = form.parents('.entity_tags');
515 if ($('.entity_tags', data)[0] !== undefined) {
516 var tags = document._importNode($('.entity_tags', data)[0], true);
517 $(tags).find('.editable').append($('<button class="peopletags_edit_button"/>'));
518 results_placeholder.replaceWith(tags);
520 results_placeholder.find('p').remove();
521 results_placeholder.append(document._importNode($('p', data)[0], true));
522 form.removeClass(SN.C.S.Processing)
524 .removeClass(SN.C.S.Disabled)
525 .prop(SN.C.S.Disabled, false);
531 normalizeGeoData: function (form) {
532 SN.C.I.NoticeDataGeo.NLat = form.find('[name=lat]').val();
533 SN.C.I.NoticeDataGeo.NLon = form.find('[name=lon]').val();
534 SN.C.I.NoticeDataGeo.NLNS = form.find('[name=location_ns]').val();
535 SN.C.I.NoticeDataGeo.NLID = form.find('[name=location_id]').val();
536 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').prop('checked'); // @fixme (does this still need to be fixed somehow?)
538 var cookieValue = $.cookie(SN.C.S.NoticeDataGeoCookie);
540 if (cookieValue !== undefined && cookieValue != 'disabled') {
541 cookieValue = JSON.parse(cookieValue);
542 SN.C.I.NoticeDataGeo.NLat = form.find('[name=lat]').val(cookieValue.NLat).val();
543 SN.C.I.NoticeDataGeo.NLon = form.find('[name=lon]').val(cookieValue.NLon).val();
544 if (cookieValue.NLNS) {
545 SN.C.I.NoticeDataGeo.NLNS = form.find('[name=location_ns]').val(cookieValue.NLNS).val();
546 SN.C.I.NoticeDataGeo.NLID = form.find('[name=location_id]').val(cookieValue.NLID).val();
548 form.find('[name=location_ns]').val('');
549 form.find('[name=location_id]').val('');
552 if (cookieValue == 'disabled') {
553 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').prop('checked', false).prop('checked');
555 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').prop('checked', true).prop('checked');
561 * Fetch an XML DOM from an XHR's response data.
563 * Works around unavailable responseXML when document.domain
564 * has been modified by Meteor or other tools, in some but not
567 * @param {XMLHTTPRequest} xhr
568 * @return DOMDocument
570 GetResponseXML: function (xhr) {
572 return xhr.responseXML;
574 return (new DOMParser()).parseFromString(xhr.responseText, "text/xml");
579 * Setup function -- DOES NOT trigger actions immediately.
581 * Sets up event handlers on all visible notice's option <a> elements
582 * so they are called with AJAX enabled.
584 * (without javascript the link goes to a page that expects you to verify
585 * the action through a form)
589 NoticeOptionsAjax: function () {
590 $(document).on('click', '.notice-options > a', function (e) {
592 var noticeEl = $(this).closest('.notice');
593 $.get($(this).attr('href'), {ajax: 1}, function (data, textStatus, xhr) {
594 noticeEl.replaceWith($('body', data).html());
601 * Setup function -- DOES NOT trigger actions immediately.
603 * Sets up event handlers on all visible notice's reply buttons to
604 * tweak the new-notice form with needed variables and focus it
607 * (This replaces the default reply button behavior to submit
608 * directly to a form which comes back with a specialized page
609 * with the form data prefilled.)
613 NoticeReply: function () {
614 $(document).on('click', '#content .notice_reply', function (e) {
616 var notice = $(this).closest('li.notice');
617 SN.U.NoticeInlineReplyTrigger(notice);
623 * Stub -- kept for compat with plugins for now.
626 NoticeReplyTo: function (notice) {
630 * Open up a notice's inline reply box.
632 * @param {jQuery} notice: jQuery object containing one notice
633 * @param {String} initialText
635 NoticeInlineReplyTrigger: function (notice, initialText) {
636 // Find the notice we're replying to...
637 var id = $($('.notice_id', notice)[0]).text();
639 var parentNotice = notice;
640 var stripForm = true; // strip a couple things out of reply forms that are inline
642 var list = notice.closest('.notices');
643 if (list.hasClass('threaded-replies')) {
644 // We're replying to a reply; use reply form on the end of this list.
646 // We're replying to a parent notice; pull its threaded list
647 // and we'll add on the end of it. Will add the threaded list if needed.
648 var list = $('ul.threaded-replies', notice);
649 if (list.length == 0) {
650 list = $('<ul class="notices threaded-replies xoxo"></ul>');
652 list = notice.find('ul.threaded-replies');
656 var nextStep = function () {
658 replyForm.find('input[name=inreplyto]').val(id);
660 // Don't do this for old-school reply form, as they don't come back!
661 replyForm.find('#notice_to').prop('disabled', true).hide();
662 replyForm.find('#notice_private').prop('disabled', true).hide();
663 replyForm.find('label[for=notice_to]').hide();
664 replyForm.find('label[for=notice_private]').hide();
668 var text = replyForm.find('textarea');
669 if (text.length == 0) {
674 replyto = initialText + ' ';
676 text.val(replyto + text.val().replace(new RegExp(replyto, 'i'), ''));
677 text.data('initialText', $.trim(initialText));
679 if (text[0].setSelectionRange) {
680 var len = text.val().length;
681 text[0].setSelectionRange(len, len);
685 // Create the reply form entry at the end
686 var replyItem = $('li.notice-reply', list);
687 if (replyItem.length == 0) {
688 replyItem = $('<li class="notice-reply"></li>');
690 // Fetch a fresh copy of the notice form over AJAX.
691 var url = $('#input_form_status > form').attr('action');
692 $.get(url, {ajax: 1, inreplyto: id}, function (data, textStatus, xhr) {
693 var formEl = document._importNode($('form', data)[0], true);
694 replyItem.append(formEl);
695 list.append(replyItem);
697 replyForm = $(formEl);
698 SN.Init.NoticeFormSetup(replyForm);
702 replyForm = replyItem.children('form');
703 if (SN.Init.NoticeFormSetup(replyForm)) {
707 replyItem.find('textarea').focus();
712 * Setup function -- DOES NOT apply immediately.
714 * Uses 'on' rather than 'live' or 'bind', so applies to future as well as present items.
716 NoticeInlineReplySetup: function () {
717 // Expand conversation links
718 $(document).on('click', 'li.notice-reply-comments a', function () {
719 var url = $(this).attr('href');
720 var area = $(this).closest('.threaded-replies');
721 $.get(url, {ajax: 1}, function (data, textStatus, xhr) {
722 var replies = $('.threaded-replies', data);
723 if (replies.length) {
724 area.replaceWith(document._importNode(replies[0], true));
732 * Setup function -- DOES NOT trigger actions immediately.
734 * Sets up event handlers for repeat forms to toss up a confirmation
735 * popout before submitting.
737 * Uses 'on' rather than 'live' or 'bind', so applies to future as well as present items.
740 NoticeRepeat: function () {
741 $('body').on('click', '.form_repeat', function (e) {
744 SN.U.NoticeRepeatConfirmation($(this));
750 * Shows a confirmation dialog box variant of the repeat button form.
751 * This seems to use a technique where the repeat form contains
752 * _both_ a standalone button _and_ text and buttons for a dialog.
753 * The dialog will close after its copy of the form is submitted,
754 * or if you click its 'close' button.
756 * The dialog is created by duplicating the original form and changing
757 * its style; while clever, this is hard to generalize and probably
758 * duplicates a lot of unnecessary HTML output.
760 * @fixme create confirmation dialogs through a generalized interface
761 * that can be reused instead of hardcoded text and styles.
763 * @param {jQuery} form
765 NoticeRepeatConfirmation: function (form) {
766 var submit_i = form.find('.submit');
768 var submit = submit_i.clone();
770 .addClass('submit_dialogbox')
771 .removeClass('submit');
773 submit.on('click', function () { SN.U.FormXHR(form); return false; });
778 .addClass('dialogbox')
779 .append('<button class="close">×</button>')
780 .closest('.notice-options')
783 form.find('button.close').click(function () {
787 .removeClass('dialogbox')
788 .closest('.notice-options')
789 .removeClass('opaque');
791 form.find('.submit_dialogbox').remove();
792 form.find('.submit').show();
799 * Setup function -- DOES NOT trigger actions immediately.
801 * Goes through all notices currently displayed and sets up attachment
802 * handling if needed.
804 NoticeAttachments: function () {
805 $('.notice a.attachment').each(function () {
806 SN.U.NoticeWithAttachment($(this).closest('.notice'));
811 * Setup function -- DOES NOT trigger actions immediately.
813 * Sets up special attachment link handling if needed. Currently this
814 * consists only of making the "more" button used for OStatus message
815 * cropping turn into an auto-expansion button that loads the full
816 * text from an attachment file.
818 * @param {jQuery} notice
820 NoticeWithAttachment: function (notice) {
821 if (notice.find('.attachment').length === 0) {
825 $(document).on('click','.attachment.more',function () {
827 m.addClass(SN.C.S.Processing);
828 $.get(m.attr('href'), {ajax: 1}, function (data) {
829 m.parent('.e-content').html($(data).find('#attachment_view .e-content').html());
838 * Setup function -- DOES NOT trigger actions immediately.
840 * Sets up event handlers for the file-attachment widget in the
841 * new notice form. When a file is selected, a box will be added
842 * below the text input showing the filename and, if supported
843 * by the browser, a thumbnail preview.
845 * This preview box will also allow removing the attachment
848 * @param {jQuery} form
850 NoticeDataAttach: function (form) {
852 var NDA = form.find('input[type=file]');
853 NDA.change(function (event) {
854 form.find('.attach-status').remove();
856 var filename = $(this).val();
858 // No file -- we've been tricked!
862 var attachStatus = $('<div class="attach-status ' + SN.C.S.Success + '"><code></code> <button class="close">×</button></div>');
863 attachStatus.find('code').text(filename);
864 attachStatus.find('button').click(function () {
865 attachStatus.remove();
870 form.append(attachStatus);
872 if (typeof this.files === "object") {
873 // Some newer browsers will let us fetch the files for preview.
874 for (i = 0; i < this.files.length; i++) {
875 SN.U.PreviewAttach(form, this.files[i]);
882 * Get PHP's MAX_FILE_SIZE setting for this form;
883 * used to apply client-side file size limit checks.
885 * @param {jQuery} form
886 * @return int max size in bytes; 0 or negative means no limit
888 maxFileSize: function (form) {
889 var max = $(form).find('input[name=MAX_FILE_SIZE]').attr('value');
891 return parseInt(max);
897 * For browsers with FileAPI support: make a thumbnail if possible,
898 * and append it into the attachment display widget.
901 * - Firefox 3.6.6, 4.0b7
902 * - Chrome 8.0.552.210
904 * Known ok metadata, can't get contents:
908 * - Opera 10.63, 11 beta (no input.files interface)
910 * @param {jQuery} form
913 * @todo use configured thumbnail size
914 * @todo detect pixel size?
915 * @todo should we render a thumbnail to a canvas and then use the smaller image?
917 PreviewAttach: function (form, file) {
918 var tooltip = file.type + ' ' + Math.round(file.size / 1024) + 'KB';
922 if (window.createObjectURL !== undefined) {
924 * createObjectURL lets us reference the file directly from an <img>
925 * This produces a compact URL with an opaque reference to the file,
926 * which we can reference immediately.
928 * - Firefox 3.6.6: no
929 * - Firefox 4.0b7: no
931 * - Chrome 8.0.552.210: works!
933 blobAsDataURL = function (blob, callback) {
934 callback(window.createObjectURL(blob));
936 } else if (window.FileReader !== undefined) {
938 * FileAPI's FileReader can build a data URL from a blob's contents,
939 * but it must read the file and build it asynchronously. This means
940 * we'll be passing a giant data URL around, which may be inefficient.
942 * - Firefox 3.6.6: works!
943 * - Firefox 4.0b7: works!
945 * - Chrome 8.0.552.210: works!
947 blobAsDataURL = function (blob, callback) {
948 var reader = new FileReader();
949 reader.onload = function (event) {
950 callback(reader.result);
952 reader.readAsDataURL(blob);
958 var imageTypes = ['image/png', 'image/jpeg', 'image/gif', 'image/svg+xml'];
959 if ($.inArray(file.type, imageTypes) == -1) {
960 // We probably don't know how to show the file.
964 var maxSize = 8 * 1024 * 1024;
965 if (file.size > maxSize) {
966 // Don't kill the browser trying to load some giant image.
971 blobAsDataURL(file, function (url) {
973 .attr('title', tooltip)
974 .attr('alt', tooltip)
976 .attr('style', 'height: 120px');
977 form.find('.attach-status').append(img);
980 var img = $('<div></div>').text(tooltip);
981 form.find('.attach-status').append(img);
986 * Setup function -- DOES NOT trigger actions immediately.
988 * Initializes state for the location-lookup features in the
989 * new-notice form. Seems to set up some event handlers for
990 * triggering lookups and using the new values.
992 * @param {jQuery} form
995 * @fixme there's not good visual state update here, so users have a
996 * hard time figuring out if it's working or fixing if it's wrong.
999 NoticeLocationAttach: function (form) {
1000 // @fixme this should not be tied to the main notice form, as there may be multiple notice forms...
1001 var NLat = form.find('[name=lat]');
1002 var NLon = form.find('[name=lon]');
1003 var NLNS = form.find('[name=location_ns]').val();
1004 var NLID = form.find('[name=location_id]').val();
1005 var NLN = ''; // @fixme
1006 var NDGe = form.find('[name=notice_data-geo]');
1007 var check = form.find('[name=notice_data-geo]');
1008 var label = form.find('label.notice_data-geo');
1010 function removeNoticeDataGeo(error) {
1012 .attr('title', $.trim(label.text()))
1013 .removeClass('checked');
1015 form.find('[name=lat]').val('');
1016 form.find('[name=lon]').val('');
1017 form.find('[name=location_ns]').val('');
1018 form.find('[name=location_id]').val('');
1019 form.find('[name=notice_data-geo]').prop('checked', false);
1021 $.cookie(SN.C.S.NoticeDataGeoCookie, 'disabled', { path: '/' });
1024 form.find('.geo_status_wrapper').removeClass('success').addClass('error');
1025 form.find('.geo_status_wrapper .geo_status').text(error);
1027 form.find('.geo_status_wrapper').remove();
1031 function getJSONgeocodeURL(geocodeURL, data) {
1032 SN.U.NoticeGeoStatus(form, 'Looking up place name...');
1033 $.getJSON(geocodeURL, data, function (location) {
1034 var lns, lid, NLN_text;
1036 if (location.location_ns !== undefined) {
1037 form.find('[name=location_ns]').val(location.location_ns);
1038 lns = location.location_ns;
1041 if (location.location_id !== undefined) {
1042 form.find('[name=location_id]').val(location.location_id);
1043 lid = location.location_id;
1046 if (location.name === undefined) {
1047 NLN_text = data.lat + ';' + data.lon;
1049 NLN_text = location.name;
1052 SN.U.NoticeGeoStatus(form, NLN_text, data.lat, data.lon, location.url);
1054 .attr('title', NoticeDataGeo_text.ShareDisable + ' (' + NLN_text + ')');
1056 form.find('[name=lat]').val(data.lat);
1057 form.find('[name=lon]').val(data.lon);
1058 form.find('[name=location_ns]').val(lns);
1059 form.find('[name=location_id]').val(lid);
1060 form.find('[name=notice_data-geo]').prop('checked', true);
1072 $.cookie(SN.C.S.NoticeDataGeoCookie, JSON.stringify(cookieValue), { path: '/' });
1076 if (check.length > 0) {
1077 if ($.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
1078 check.prop('checked', false);
1080 check.prop('checked', true);
1083 var NGW = form.find('.notice_data-geo_wrap');
1084 var geocodeURL = NGW.attr('data-api');
1086 label.attr('title', label.text());
1088 check.change(function () {
1089 if (check.prop('checked') === true || $.cookie(SN.C.S.NoticeDataGeoCookie) === null) {
1091 .attr('title', NoticeDataGeo_text.ShareDisable)
1092 .addClass('checked');
1094 if ($.cookie(SN.C.S.NoticeDataGeoCookie) === null || $.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
1095 if (navigator.geolocation) {
1096 SN.U.NoticeGeoStatus(form, 'Requesting location from browser...');
1097 navigator.geolocation.getCurrentPosition(
1098 function (position) {
1099 form.find('[name=lat]').val(position.coords.latitude);
1100 form.find('[name=lon]').val(position.coords.longitude);
1103 lat: position.coords.latitude,
1104 lon: position.coords.longitude,
1105 token: $('#token').val()
1108 getJSONgeocodeURL(geocodeURL, data);
1112 switch(error.code) {
1113 case error.PERMISSION_DENIED:
1114 removeNoticeDataGeo('Location permission denied.');
1117 //$('#' + SN.C.S.NoticeDataGeo).prop('checked', false);
1118 removeNoticeDataGeo('Location lookup timeout.');
1128 if (NLat.length > 0 && NLon.length > 0) {
1132 token: $('#token').val()
1135 getJSONgeocodeURL(geocodeURL, data);
1137 removeNoticeDataGeo();
1144 var cookieValue = JSON.parse($.cookie(SN.C.S.NoticeDataGeoCookie));
1146 form.find('[name=lat]').val(cookieValue.NLat);
1147 form.find('[name=lon]').val(cookieValue.NLon);
1148 form.find('[name=location_ns]').val(cookieValue.NLNS);
1149 form.find('[name=location_id]').val(cookieValue.NLID);
1150 form.find('[name=notice_data-geo]').prop('checked', cookieValue.NDG);
1152 SN.U.NoticeGeoStatus(form, cookieValue.NLN, cookieValue.NLat, cookieValue.NLon, cookieValue.NLNU);
1154 .attr('title', NoticeDataGeo_text.ShareDisable + ' (' + cookieValue.NLN + ')')
1155 .addClass('checked');
1157 console.log('Parsing error:', e);
1161 removeNoticeDataGeo();
1168 * Create or update a geolocation status widget in this notice posting form.
1170 * @param {jQuery} form
1171 * @param {String} status
1172 * @param {String} lat (optional)
1173 * @param {String} lon (optional)
1174 * @param {String} url (optional)
1176 NoticeGeoStatus: function (form, status, lat, lon, url)
1178 var wrapper = form.find('.geo_status_wrapper');
1179 if (wrapper.length == 0) {
1180 wrapper = $('<div class="' + SN.C.S.Success + ' geo_status_wrapper"><button class="close" style="float:right">×</button><div class="geo_status"></div></div>');
1181 wrapper.find('button.close').click(function () {
1182 form.find('[name=notice_data-geo]').prop('checked', false).change();
1185 form.append(wrapper);
1189 label = $('<a></a>').attr('href', url);
1191 label = $('<span></span>');
1195 var latlon = lat + ';' + lon;
1196 label.attr('title', latlon);
1201 wrapper.find('.geo_status').empty().append(label);
1205 * Setup function -- DOES NOT trigger actions immediately.
1207 * Initializes event handlers for the "Send direct message" link on
1208 * profile pages, setting it up to display a dialog box when clicked.
1210 * Unlike the repeat confirmation form, this appears to fetch
1211 * the form _from the original link target_, so the form itself
1212 * doesn't need to be in the current document.
1214 * @fixme breaks ability to open link in new window?
1216 NewDirectMessage: function () {
1217 NDM = $('.entity_send-a-message a');
1218 NDM.attr({'href': NDM.attr('href') + '&ajax=1'});
1219 NDM.on('click', function () {
1220 var NDMF = $('.entity_send-a-message form');
1221 if (NDMF.length === 0) {
1222 $(this).addClass(SN.C.S.Processing);
1223 $.get(NDM.attr('href'), null, function (data) {
1224 $('.entity_send-a-message').append(document._importNode($('form', data)[0], true));
1225 NDMF = $('.entity_send-a-message .form_notice');
1226 SN.U.FormNoticeXHR(NDMF);
1227 SN.U.FormNoticeEnhancements(NDMF);
1228 NDMF.append('<button class="close">×</button>');
1229 $('.entity_send-a-message button').click(function () {
1233 NDM.removeClass(SN.C.S.Processing);
1237 $('.entity_send-a-message textarea').focus();
1244 * Return a date object with the current local time on the
1245 * given year, month, and day.
1247 * @param {number} year: 4-digit year
1248 * @param {number} month: 0 == January
1249 * @param {number} day: 1 == 1
1252 GetFullYear: function (year, month, day) {
1253 var date = new Date();
1254 date.setFullYear(year, month, day);
1260 * Some sort of object interface for storing some structured
1261 * information in a cookie.
1263 * Appears to be used to save the last-used login nickname?
1264 * That's something that browsers usually take care of for us
1265 * these days, do we really need to do it? Does anything else
1266 * use this interface?
1268 * @fixme what is this?
1269 * @fixme should this use non-cookie local storage when available?
1271 StatusNetInstance: {
1273 * @fixme what is this?
1275 Set: function (value) {
1276 var SNI = SN.U.StatusNetInstance.Get();
1278 value = $.extend(SNI, value);
1282 SN.C.S.StatusNetInstance,
1283 JSON.stringify(value),
1286 expires: SN.U.GetFullYear(2029, 0, 1)
1291 * @fixme what is this?
1294 var cookieValue = $.cookie(SN.C.S.StatusNetInstance);
1295 if (cookieValue !== undefined) {
1296 return JSON.parse(cookieValue);
1302 * @fixme what is this?
1304 Delete: function () {
1305 $.cookie(SN.C.S.StatusNetInstance, null);
1310 * Check if the current page is a timeline where the current user's
1311 * posts should be displayed immediately on success.
1313 * @fixme this should be done in a saner way, with machine-readable
1314 * info about what page we're looking at.
1316 * @param {DOMElement} notice: HTML chunk with formatted notice
1319 belongsOnTimeline: function (notice) {
1320 var action = $("body").attr('id');
1321 if (action == 'public') {
1325 var profileLink = $('#nav_profile a').attr('href');
1327 var authorUrl = $(notice).find('.h-card.p-author').attr('href');
1328 if (authorUrl == profileLink) {
1329 if (action == 'all' || action == 'showstream') {
1330 // Posts always show on your own friends and profile streams.
1336 // @fixme tag, group, reply timelines should be feasible as well.
1337 // Mismatch between id-based and name-based user/group links currently complicates
1338 // the lookup, since all our inline mentions contain the absolute links but the
1339 // UI links currently on the page use malleable names.
1345 * Switch to another active input sub-form.
1346 * This will hide the current form (if any), show the new one, and
1347 * update the input type tab selection state.
1349 * @param {String} tag
1351 switchInputFormTab: function (tag, setFocus) {
1352 if (typeof setFocus === 'undefined') { setFocus = true; }
1353 // The one that's current isn't current anymore
1354 $('.input_form_nav_tab.current').removeClass('current');
1356 $('#input_form_nav_' + tag).addClass('current');
1359 // Don't remove 'current' if we also have the "nonav" class.
1360 // An example would be the message input form. removing
1361 // 'current' will cause the form to vanish from the page.
1362 var nonav = $('.input_form.current.nonav');
1363 if (nonav.length > 0) {
1367 $('.input_form.current').removeClass('current');
1369 // we're done here, no new inputform to focus on
1373 var noticeForm = $('#input_form_' + tag)
1374 .addClass('current')
1375 .find('.ajax-notice').each(function () {
1377 SN.Init.NoticeFormSetup(form);
1380 noticeForm.find('.notice_data-text').focus();
1386 showMoreMenuItems: function (menuid) {
1387 $('#' + menuid + ' .more_link').remove();
1388 var selector = '#' + menuid + ' .extended_menu';
1389 var extended = $(selector);
1390 extended.removeClass('extended_menu');
1397 * If user is logged in, run setup code for the new notice form:
1402 * - file upload events
1404 NoticeForm: function () {
1405 if ($('body.user_in').length > 0) {
1406 // SN.Init.NoticeFormSetup() will get run
1407 // when forms get displayed for the first time...
1409 // Initialize the input form field
1410 $('#input_form_nav .input_form_nav_tab.current').each(function () {
1411 current_tab_id = $(this).attr('id').substring('input_form_nav_'.length);
1412 SN.U.switchInputFormTab(current_tab_id, false);
1415 // Make inline reply forms self-close when clicking out.
1416 $('body').on('click', function (e) {
1417 var openReplies = $('li.notice-reply');
1418 if (openReplies.length > 0) {
1419 var target = $(e.target);
1420 openReplies.each(function () {
1421 // Did we click outside this one?
1422 var replyItem = $(this);
1423 if (replyItem.has(e.target).length == 0) {
1424 var textarea = replyItem.find('.notice_data-text:first');
1425 var cur = $.trim(textarea.val());
1426 // Only close if there's been no edit.
1427 if (cur == '' || cur == textarea.data('initialText')) {
1428 var parentNotice = replyItem.closest('li.notice');
1430 parentNotice.find('li.notice-reply-placeholder').show();
1440 * Encapsulate notice form setup for a single form.
1441 * Plugins can add extra setup by monkeypatching this
1444 * @param {jQuery} form
1446 NoticeFormSetup: function (form) {
1447 if (form.data('NoticeFormSetup')) {
1450 SN.U.NoticeLocationAttach(form);
1451 SN.U.FormNoticeXHR(form);
1452 SN.U.FormNoticeEnhancements(form);
1453 SN.U.NoticeDataAttach(form);
1454 form.data('NoticeFormSetup', true);
1458 * Run setup code for notice timeline views items:
1460 * - AJAX submission for fave/repeat/reply (if logged in)
1461 * - Attachment link extras ('more' links)
1463 Notices: function () {
1464 if ($('body.user_in').length > 0) {
1465 SN.U.NoticeRepeat();
1467 SN.U.NoticeInlineReplySetup();
1468 SN.U.NoticeOptionsAjax();
1471 SN.U.NoticeAttachments();
1475 * Run setup code for user & group profile page header area if logged in:
1477 * - AJAX submission for sub/unsub/join/leave/nudge
1478 * - AJAX form popup for direct-message
1480 EntityActions: function () {
1481 if ($('body.user_in').length > 0) {
1482 $(document).on('click', '.form_user_subscribe', function () { SN.U.FormXHR($(this)); return false; });
1483 $(document).on('click', '.form_user_unsubscribe', function () { SN.U.FormXHR($(this)); return false; });
1484 $(document).on('click', '.form_group_join', function () { SN.U.FormXHR($(this)); return false; });
1485 $(document).on('click', '.form_group_leave', function () { SN.U.FormXHR($(this)); return false; });
1486 $(document).on('click', '.form_user_nudge', function () { SN.U.FormXHR($(this)); return false; });
1487 $(document).on('click', '.form_peopletag_subscribe', function () { SN.U.FormXHR($(this)); return false; });
1488 $(document).on('click', '.form_peopletag_unsubscribe', function () { SN.U.FormXHR($(this)); return false; });
1489 $(document).on('click', '.form_user_add_peopletag', function () { SN.U.FormXHR($(this)); return false; });
1490 $(document).on('click', '.form_user_remove_peopletag', function () { SN.U.FormXHR($(this)); return false; });
1492 SN.U.NewDirectMessage();
1496 ProfileSearch: function () {
1497 if ($('body.user_in').length > 0) {
1498 $(document).on('click', '.form_peopletag_edit_user_search input.submit', function () {
1499 SN.U.FormProfileSearchXHR($(this).parents('form')); return false;
1505 * Run setup code for login form:
1507 * - loads saved last-used-nickname from cookie
1508 * - sets event handler to save nickname to cookie on submit
1510 * @fixme is this necessary? Browsers do their own form saving these days.
1512 Login: function () {
1513 if (SN.U.StatusNetInstance.Get() !== null) {
1514 var nickname = SN.U.StatusNetInstance.Get().Nickname;
1515 if (nickname !== null) {
1516 $('#form_login #nickname').val(nickname);
1520 $('#form_login').on('submit', function () {
1521 SN.U.StatusNetInstance.Set({Nickname: $('#form_login #nickname').val()});
1527 * Run setup for the ajax people tags editor
1529 * - show edit button
1530 * - set event handle for click on edit button
1531 * - loads people tag autocompletion data if not already present
1532 * or if it is stale.
1535 PeopleTags: function () {
1536 $('.user_profile_tags .editable').append($('<button class="peopletags_edit_button"/>'));
1538 $(document).on('click', '.peopletags_edit_button', function () {
1539 var form = $(this).parents('dd').eq(0).find('form');
1540 // We can buy time from the above animation
1545 data: {token: $('#token').val()},
1547 success: function (data) {
1548 // item.label is used to match
1549 for (i=0; i < data.length; i++) {
1550 data[i].label = data[i].tag;
1553 SN.C.PtagACData = data;
1557 $(this).parents('ul').eq(0).fadeOut(200, function () {form.fadeIn(200).find('input#tags')});
1560 $(document).on('click', '.user_profile_tags form .submit', function () {
1561 SN.U.FormPeopletagsXHR($(this).parents('form')); return false;
1566 * Set up any generic 'ajax' form so it submits via AJAX with auto-replacement.
1568 AjaxForms: function () {
1569 $(document).on('submit', 'form.ajax', function () {
1570 SN.U.FormXHR($(this));
1573 $(document).on('click', 'form.ajax input[type=submit]', function () {
1574 // Some forms rely on knowing which submit button was clicked.
1575 // Save a hidden input field which'll be picked up during AJAX
1577 var button = $(this);
1578 var form = button.closest('form');
1579 form.find('.hidden-submit-button').remove();
1580 $('<input class="hidden-submit-button" type="hidden" />')
1581 .attr('name', button.attr('name'))
1588 * Add logic to any file upload forms to handle file size limits,
1589 * on browsers that support basic FileAPI.
1591 UploadForms: function () {
1592 $('input[type=file]').change(function (event) {
1593 if (typeof this.files === "object" && this.files.length > 0) {
1595 for (var i = 0; i < this.files.length; i++) {
1596 size += this.files[i].size;
1599 var max = SN.U.maxFileSize($(this.form));
1600 if (max > 0 && size > max) {
1601 var msg = 'File too large: maximum upload size is %d bytes.';
1602 alert(msg.replace('%d', max));
1606 event.preventDefault();
1613 CheckBoxes: function () {
1614 $("span[class='checkbox-wrapper']").addClass("unchecked");
1615 $(".checkbox-wrapper").click(function () {
1616 if ($(this).children("input").prop("checked")) {
1618 $(this).children("input").prop("checked", false);
1619 $(this).removeClass("checked");
1620 $(this).addClass("unchecked");
1621 $(this).children("label").text("Private?");
1624 $(this).children("input").prop("checked", true);
1625 $(this).removeClass("unchecked");
1626 $(this).addClass("checked");
1627 $(this).children("label").text("Private");
1635 * Run initialization functions on DOM-ready.
1637 * Note that if we're waiting on other scripts to load, this won't happen
1638 * until that's done. To load scripts asynchronously without delaying setup,
1639 * don't start them loading until after DOM-ready time!
1642 SN.Init.AjaxForms();
1643 SN.Init.UploadForms();
1644 SN.Init.CheckBoxes();
1645 if ($('.' + SN.C.S.FormNotice).length > 0) {
1646 SN.Init.NoticeForm();
1648 if ($('#content .notices').length > 0) {
1651 if ($('#content .entity_actions').length > 0) {
1652 SN.Init.EntityActions();
1654 if ($('#form_login').length > 0) {
1657 if ($('#profile_search_results').length > 0) {
1658 SN.Init.ProfileSearch();
1660 if ($('.user_profile_tags .editable').length > 0) {
1661 SN.Init.PeopleTags();