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 (typeof SN.messages[key] == "undefined") {
82 return '[' + key + ']';
84 return SN.messages[key];
90 * Setup function -- DOES NOT trigger actions immediately.
92 * Sets up event handlers on the new notice form.
94 * @param {jQuery} form: jQuery object whose first matching element is the form
97 FormNoticeEnhancements: function(form) {
98 if (jQuery.data(form[0], 'ElementData') === undefined) {
99 MaxLength = form.find('.count').text();
100 if (typeof(MaxLength) == 'undefined') {
101 MaxLength = SN.C.I.MaxLength;
103 jQuery.data(form[0], 'ElementData', {MaxLength:MaxLength});
107 NDT = form.find('.notice_data-text:first');
109 NDT.bind('keyup', function(e) {
113 var delayedUpdate= function(e) {
114 // Cut and paste events fire *before* the operation,
115 // so we need to trigger an update in a little bit.
116 // This would be so much easier if the 'change' event
117 // actually fired every time the value changed. :P
118 window.setTimeout(function() {
122 // Note there's still no event for mouse-triggered 'delete'.
123 NDT.bind('cut', delayedUpdate)
124 .bind('paste', delayedUpdate);
127 form.find('.count').text(jQuery.data(form[0], 'ElementData').MaxLength);
132 * To be called from event handlers on the notice import form.
133 * Triggers an update of the remaining-characters counter.
135 * Additional counter updates will be suppressed during the
136 * next half-second to avoid flooding the layout engine with
137 * updates, followed by another automatic check.
139 * The maximum length is pulled from data established by
140 * FormNoticeEnhancements.
142 * @param {jQuery} form: jQuery object whose first element is the notice posting form
145 Counter: function(form) {
146 SN.C.I.FormNoticeCurrent = form;
148 var MaxLength = jQuery.data(form[0], 'ElementData').MaxLength;
150 if (MaxLength <= 0) {
154 var remaining = MaxLength - SN.U.CharacterCount(form);
155 var counter = form.find('.count');
157 if (remaining.toString() != counter.text()) {
158 if (!SN.C.I.CounterBlackout || remaining === 0) {
159 if (counter.text() != String(remaining)) {
160 counter.text(remaining);
163 form.addClass(SN.C.S.Warning);
165 form.removeClass(SN.C.S.Warning);
167 // Skip updates for the next 500ms.
168 // On slower hardware, updating on every keypress is unpleasant.
169 if (!SN.C.I.CounterBlackout) {
170 SN.C.I.CounterBlackout = true;
171 SN.C.I.FormNoticeCurrent = form;
172 window.setTimeout("SN.U.ClearCounterBlackout(SN.C.I.FormNoticeCurrent);", 500);
179 * Pull the count of characters in the current edit field.
180 * Plugins replacing the edit control may need to override this.
182 * @param {jQuery} form: jQuery object whose first element is the notice posting form
183 * @return number of chars
185 CharacterCount: function(form) {
186 return form.find('.notice_data-text:first').val().length;
190 * Called internally after the counter update blackout period expires;
191 * runs another update to make sure we didn't miss anything.
193 * @param {jQuery} form: jQuery object whose first element is the notice posting form
196 ClearCounterBlackout: function(form) {
197 // Allow keyup events to poke the counter again
198 SN.C.I.CounterBlackout = false;
199 // Check if the string changed since we last looked
204 * Helper function to rewrite default HTTP form action URLs to HTTPS
205 * so we can actually fetch them when on an SSL page in ssl=sometimes
208 * It would be better to output URLs that didn't hardcode protocol
209 * and hostname in the first place...
211 * @param {String} url
214 RewriteAjaxAction: function(url) {
215 // Quick hack: rewrite AJAX submits to HTTPS if they'd fail otherwise.
216 if (document.location.protocol == 'https:' && url.substr(0, 5) == 'http:') {
217 return url.replace(/^http:\/\/[^:\/]+/, 'https://' + document.location.host);
224 * Grabs form data and submits it asynchronously, with 'ajax=1'
225 * parameter added to the rest.
227 * If a successful response includes another form, that form
228 * will be extracted and copied in, replacing the original form.
229 * If there's no form, the first paragraph will be used.
231 * This will automatically be applied on the 'submit' event for
232 * any form with the 'ajax' class.
234 * @fixme can sometimes explode confusingly if returnd data is bogus
235 * @fixme error handling is pretty vague
236 * @fixme can't submit file uploads
238 * @param {jQuery} form: jQuery object whose first element is a form
242 FormXHR: function(form) {
246 url: SN.U.RewriteAjaxAction(form.attr('action')),
247 data: form.serialize() + '&ajax=1',
248 beforeSend: function(xhr) {
250 .addClass(SN.C.S.Processing)
252 .addClass(SN.C.S.Disabled)
253 .attr(SN.C.S.Disabled, SN.C.S.Disabled);
255 error: function (xhr, textStatus, errorThrown) {
256 // If the server end reported an error from StatusNet,
257 // find it -- otherwise we'll see what was reported
259 var errorReported = null;
260 if (xhr.responseXML) {
261 errorReported = $('#error', xhr.responseXML).text();
263 alert(errorReported || errorThrown || textStatus);
265 // Restore the form to original state.
268 .removeClass(SN.C.S.Processing)
270 .removeClass(SN.C.S.Disabled)
271 .removeAttr(SN.C.S.Disabled);
273 success: function(data, textStatus) {
274 if (typeof($('form', data)[0]) != 'undefined') {
275 form_new = document._importNode($('form', data)[0], true);
276 form.replaceWith(form_new);
278 else if (typeof($('p', data)[0]) != 'undefined') {
279 form.replaceWith(document._importNode($('p', data)[0], true));
282 alert('Unknown error.');
289 * Setup function -- DOES NOT trigger actions immediately.
291 * Sets up event handlers for special-cased async submission of the
292 * notice-posting form, including some pre-post validation.
294 * Unlike FormXHR() this does NOT submit the form immediately!
295 * It sets up event handlers so that any method of submitting the
296 * form (click on submit button, enter, submit() etc) will trigger
299 * Also unlike FormXHR(), this system will use a hidden iframe
300 * automatically to handle file uploads via <input type="file">
304 * @fixme vast swaths of duplicate code and really long variable names clutter this function up real bad
305 * @fixme error handling is unreliable
306 * @fixme cookieValue is a global variable, but probably shouldn't be
307 * @fixme saving the location cache cookies should be split out
308 * @fixme some error messages are hardcoded english: needs i18n
309 * @fixme special-case for bookmarklet is confusing and uses a global var "self". Is this ok?
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 $('<p class="form_response"></p>')
338 * Hide the previous response feedback, if any.
340 var removeFeedback = function() {
341 form.find('.form_response').remove();
347 beforeSend: function(formData) {
348 if (form.find('.notice_data-text:first').val() == '') {
349 form.addClass(SN.C.S.Warning);
353 .addClass(SN.C.S.Processing)
355 .addClass(SN.C.S.Disabled)
356 .attr(SN.C.S.Disabled, SN.C.S.Disabled);
358 SN.U.normalizeGeoData(form);
362 error: function (xhr, textStatus, errorThrown) {
364 .removeClass(SN.C.S.Processing)
366 .removeClass(SN.C.S.Disabled)
367 .removeAttr(SN.C.S.Disabled, SN.C.S.Disabled);
369 if (textStatus == 'timeout') {
371 showFeedback('error', 'Sorry! We had trouble sending your notice. The servers are overloaded. Please try again, and contact the site administrator if this problem persists.');
374 var response = SN.U.GetResponseXML(xhr);
375 if ($('.'+SN.C.S.Error, response).length > 0) {
376 form.append(document._importNode($('.'+SN.C.S.Error, response)[0], true));
379 if (parseInt(xhr.status) === 0 || jQuery.inArray(parseInt(xhr.status), SN.C.I.HTTP20x30x) >= 0) {
382 .find('.attach-status').remove();
383 SN.U.FormNoticeEnhancements(form);
387 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.');
392 success: function(data, textStatus) {
394 var errorResult = $('#'+SN.C.S.Error, data);
395 if (errorResult.length > 0) {
396 showFeedback('error', errorResult.text());
399 if($('body')[0].id == 'bookmarklet') {
400 // @fixme self is not referenced anywhere?
404 var commandResult = $('#'+SN.C.S.CommandResult, data);
405 if (commandResult.length > 0) {
406 showFeedback('success', commandResult.text());
409 // New notice post was successful. If on our timeline, show it!
410 var notice = document._importNode($('li', data)[0], true);
411 var notices = $('#notices_primary .notices:first');
412 var replyItem = form.closest('li.notice-reply');
414 if (replyItem.length > 0) {
415 // If this is an inline reply, remove the form...
416 var list = form.closest('.threaded-replies');
417 var placeholder = list.find('.notice-reply-placeholder');
420 var id = $(notice).attr('id');
421 if ($("#"+id).length == 0) {
422 $(notice).insertBefore(placeholder);
424 // Realtime came through before us...
427 // ...and show the placeholder form.
429 } else if (notices.length > 0 && SN.U.belongsOnTimeline(notice)) {
430 // Not a reply. If on our timeline, show it at the top!
432 if ($('#'+notice.id).length === 0) {
433 var notice_irt_value = form.find('[name=inreplyto]').val();
434 var notice_irt = '#notices_primary #notice-'+notice_irt_value;
435 if($('body')[0].id == 'conversation') {
436 if(notice_irt_value.length > 0 && $(notice_irt+' .notices').length < 1) {
437 $(notice_irt).append('<ul class="notices"></ul>');
439 $($(notice_irt+' .notices')[0]).append(notice);
442 notices.prepend(notice);
445 .css({display:'none'})
447 SN.U.NoticeWithAttachment($('#'+notice.id));
448 SN.U.switchInputFormTab("placeholder");
451 // Not on a timeline that this belongs on?
452 // Just show a success message.
454 showFeedback('success', $('title', data).text());
458 form.find('[name=inreplyto]').val('');
459 form.find('.attach-status').remove();
460 SN.U.FormNoticeEnhancements(form);
463 complete: function(xhr, textStatus) {
465 .removeClass(SN.C.S.Processing)
467 .removeAttr(SN.C.S.Disabled)
468 .removeClass(SN.C.S.Disabled);
470 form.find('[name=lat]').val(SN.C.I.NoticeDataGeo.NLat);
471 form.find('[name=lon]').val(SN.C.I.NoticeDataGeo.NLon);
472 form.find('[name=location_ns]').val(SN.C.I.NoticeDataGeo.NLNS);
473 form.find('[name=location_id]').val(SN.C.I.NoticeDataGeo.NLID);
474 form.find('[name=notice_data-geo]').attr('checked', SN.C.I.NoticeDataGeo.NDG);
479 normalizeGeoData: function(form) {
480 SN.C.I.NoticeDataGeo.NLat = form.find('[name=lat]').val();
481 SN.C.I.NoticeDataGeo.NLon = form.find('[name=lon]').val();
482 SN.C.I.NoticeDataGeo.NLNS = form.find('[name=location_ns]').val();
483 SN.C.I.NoticeDataGeo.NLID = form.find('[name=location_id]').val();
484 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').attr('checked'); // @fixme
486 var cookieValue = $.cookie(SN.C.S.NoticeDataGeoCookie);
488 if (cookieValue !== null && cookieValue != 'disabled') {
489 cookieValue = JSON.parse(cookieValue);
490 SN.C.I.NoticeDataGeo.NLat = form.find('[name=lat]').val(cookieValue.NLat).val();
491 SN.C.I.NoticeDataGeo.NLon = form.find('[name=lon]').val(cookieValue.NLon).val();
492 if (cookieValue.NLNS) {
493 SN.C.I.NoticeDataGeo.NLNS = form.find('[name=location_ns]').val(cookieValue.NLNS).val();
494 SN.C.I.NoticeDataGeo.NLID = form.find('[name=location_id]').val(cookieValue.NLID).val();
496 form.find('[name=location_ns]').val('');
497 form.find('[name=location_id]').val('');
500 if (cookieValue == 'disabled') {
501 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').attr('checked', false).attr('checked');
504 SN.C.I.NoticeDataGeo.NDG = form.find('[name=notice_data-geo]').attr('checked', true).attr('checked');
509 * Fetch an XML DOM from an XHR's response data.
511 * Works around unavailable responseXML when document.domain
512 * has been modified by Meteor or other tools, in some but not
515 * @param {XMLHTTPRequest} xhr
516 * @return DOMDocument
518 GetResponseXML: function(xhr) {
520 return xhr.responseXML;
522 return (new DOMParser()).parseFromString(xhr.responseText, "text/xml");
527 * Setup function -- DOES NOT trigger actions immediately.
529 * Sets up event handlers on all visible notice's reply buttons to
530 * tweak the new-notice form with needed variables and focus it
533 * (This replaces the default reply button behavior to submit
534 * directly to a form which comes back with a specialized page
535 * with the form data prefilled.)
539 NoticeReply: function() {
540 $('#content .notice_reply').live('click', function(e) {
542 var notice = $(this).closest('li.notice');
543 var nickname = ($('.author .nickname', notice).length > 0) ? $($('.author .nickname', notice)[0]) : $('.author .nickname.uid');
544 SN.U.NoticeInlineReplyTrigger(notice, '@' + nickname.text());
550 * Stub -- kept for compat with plugins for now.
553 NoticeReplyTo: function(notice) {
557 * Open up a notice's inline reply box.
559 * @param {jQuery} notice: jQuery object containing one notice
560 * @param {String} initialText
562 NoticeInlineReplyTrigger: function(notice, initialText) {
563 // Find the notice we're replying to...
564 var id = $($('.notice_id', notice)[0]).text();
565 var parentNotice = notice;
567 // Find the threaded replies view we'll be adding to...
568 var list = notice.closest('.notices');
569 if (list.hasClass('threaded-replies')) {
570 // We're replying to a reply; use reply form on the end of this list.
571 // We'll add our form at the end of this; grab the root notice.
572 parentNotice = list.closest('.notice');
574 // We're replying to a parent notice; pull its threaded list
575 // and we'll add on the end of it. Will add if needed.
576 list = $('ul.threaded-replies', notice);
577 if (list.length == 0) {
578 list = $('<ul class="notices threaded-replies xoxo"></ul>');
583 // See if the form's already open...
584 var replyForm = $('.notice-reply-form', list);
586 var nextStep = function() {
588 replyForm.find('input[name=inreplyto]').val(id);
591 var text = replyForm.find('textarea');
592 if (text.length == 0) {
597 replyto = initialText + ' ';
599 text.val(replyto + text.val().replace(RegExp(replyto, 'i'), ''));
600 text.data('initialText', $.trim(initialText + ''));
602 if (text[0].setSelectionRange) {
603 var len = text.val().length;
604 text[0].setSelectionRange(len,len);
607 if (replyForm.length > 0) {
608 // Update the existing form...
611 // Hide the placeholder...
612 var placeholder = list.find('li.notice-reply-placeholder').hide();
614 // Create the reply form entry at the end
615 var replyItem = $('li.notice-reply', list);
616 if (replyItem.length == 0) {
617 replyItem = $('<li class="notice-reply"></li>');
619 var intermediateStep = function(formMaster) {
620 var formEl = document._importNode(formMaster, true);
621 replyItem.append(formEl);
622 list.append(replyItem); // *after* the placeholder
624 var form = replyForm = $(formEl);
625 SN.Init.NoticeFormSetup(form);
629 if (SN.C.I.NoticeFormMaster) {
630 // We've already saved a master copy of the form.
632 intermediateStep(SN.C.I.NoticeFormMaster);
634 // Fetch a fresh copy of the notice form over AJAX.
635 // Warning: this can have a delay, which looks bad.
636 // @fixme this fallback may or may not work
637 var url = $('#form_notice').attr('action');
638 $.get(url, {ajax: 1}, function(data, textStatus, xhr) {
639 intermediateStep($('form', data)[0]);
646 NoticeInlineReplyPlaceholder: function(notice) {
647 var list = notice.find('ul.threaded-replies');
648 var placeholder = $('<li class="notice-reply-placeholder">' +
649 '<input class="placeholder">' +
651 placeholder.find('input')
652 .val(SN.msg('reply_placeholder'));
653 list.append(placeholder);
657 * Setup function -- DOES NOT apply immediately.
659 * Sets up event handlers for inline reply mini-form placeholders.
660 * Uses 'live' rather than 'bind', so applies to future as well as present items.
662 NoticeInlineReplySetup: function() {
663 $('li.notice-reply-placeholder input')
664 .live('focus', function() {
665 var notice = $(this).closest('li.notice');
666 SN.U.NoticeInlineReplyTrigger(notice);
669 $('li.notice-reply-comments a')
670 .live('click', function() {
671 var url = $(this).attr('href');
672 var area = $(this).closest('.threaded-replies');
673 $.get(url, {ajax: 1}, function(data, textStatus, xhr) {
674 var replies = $('.threaded-replies', data);
675 if (replies.length) {
676 area.replaceWith(document._importNode(replies[0], true));
684 * Setup function -- DOES NOT trigger actions immediately.
686 * Sets up event handlers for repeat forms to toss up a confirmation
687 * popout before submitting.
689 * Uses 'live' rather than 'bind', so applies to future as well as present items.
691 NoticeRepeat: function() {
692 $('.form_repeat').live('click', function(e) {
695 SN.U.NoticeRepeatConfirmation($(this));
701 * Shows a confirmation dialog box variant of the repeat button form.
702 * This seems to use a technique where the repeat form contains
703 * _both_ a standalone button _and_ text and buttons for a dialog.
704 * The dialog will close after its copy of the form is submitted,
705 * or if you click its 'close' button.
707 * The dialog is created by duplicating the original form and changing
708 * its style; while clever, this is hard to generalize and probably
709 * duplicates a lot of unnecessary HTML output.
711 * @fixme create confirmation dialogs through a generalized interface
712 * that can be reused instead of hardcoded text and styles.
714 * @param {jQuery} form
716 NoticeRepeatConfirmation: function(form) {
717 var submit_i = form.find('.submit');
719 var submit = submit_i.clone();
721 .addClass('submit_dialogbox')
722 .removeClass('submit');
724 submit.bind('click', function() { SN.U.FormXHR(form); return false; });
729 .addClass('dialogbox')
730 .append('<button class="close">×</button>')
731 .closest('.notice-options')
734 form.find('button.close').click(function(){
738 .removeClass('dialogbox')
739 .closest('.notice-options')
740 .removeClass('opaque');
742 form.find('.submit_dialogbox').remove();
743 form.find('.submit').show();
750 * Setup function -- DOES NOT trigger actions immediately.
752 * Goes through all notices currently displayed and sets up attachment
753 * handling if needed.
755 NoticeAttachments: function() {
756 $('.notice a.attachment').each(function() {
757 SN.U.NoticeWithAttachment($(this).closest('.notice'));
762 * Setup function -- DOES NOT trigger actions immediately.
764 * Sets up special attachment link handling if needed. Currently this
765 * consists only of making the "more" button used for OStatus message
766 * cropping turn into an auto-expansion button that loads the full
767 * text from an attachment file.
769 * @param {jQuery} notice
771 NoticeWithAttachment: function(notice) {
772 if (notice.find('.attachment').length === 0) {
776 var attachment_more = notice.find('.attachment.more');
777 if (attachment_more.length > 0) {
778 $(attachment_more[0]).click(function() {
780 m.addClass(SN.C.S.Processing);
781 $.get(m.attr('href')+'/ajax', null, function(data) {
782 m.parent('.entry-content').html($(data).find('#attachment_view .entry-content').html());
786 }).attr('title', SN.msg('showmore_tooltip'));
791 * Setup function -- DOES NOT trigger actions immediately.
793 * Sets up event handlers for the file-attachment widget in the
794 * new notice form. When a file is selected, a box will be added
795 * below the text input showing the filename and, if supported
796 * by the browser, a thumbnail preview.
798 * This preview box will also allow removing the attachment
801 * @param {jQuery} form
803 NoticeDataAttach: function(form) {
804 var NDA = form.find('input[type=file]');
805 NDA.change(function(event) {
806 form.find('.attach-status').remove();
808 var filename = $(this).val();
810 // No file -- we've been tricked!
814 var attachStatus = $('<div class="attach-status '+SN.C.S.Success+'"><code></code> <button class="close">×</button></div>');
815 attachStatus.find('code').text(filename);
816 attachStatus.find('button').click(function(){
817 attachStatus.remove();
822 form.append(attachStatus);
824 if (typeof this.files == "object") {
825 // Some newer browsers will let us fetch the files for preview.
826 for (var i = 0; i < this.files.length; i++) {
827 SN.U.PreviewAttach(form, this.files[i]);
834 * Get PHP's MAX_FILE_SIZE setting for this form;
835 * used to apply client-side file size limit checks.
837 * @param {jQuery} form
838 * @return int max size in bytes; 0 or negative means no limit
840 maxFileSize: function(form) {
841 var max = $(form).find('input[name=MAX_FILE_SIZE]').attr('value');
843 return parseInt(max);
850 * For browsers with FileAPI support: make a thumbnail if possible,
851 * and append it into the attachment display widget.
854 * - Firefox 3.6.6, 4.0b7
855 * - Chrome 8.0.552.210
857 * Known ok metadata, can't get contents:
861 * - Opera 10.63, 11 beta (no input.files interface)
863 * @param {jQuery} form
866 * @todo use configured thumbnail size
867 * @todo detect pixel size?
868 * @todo should we render a thumbnail to a canvas and then use the smaller image?
870 PreviewAttach: function(form, file) {
871 var tooltip = file.type + ' ' + Math.round(file.size / 1024) + 'KB';
875 if (typeof window.createObjectURL != "undefined") {
877 * createObjectURL lets us reference the file directly from an <img>
878 * This produces a compact URL with an opaque reference to the file,
879 * which we can reference immediately.
881 * - Firefox 3.6.6: no
882 * - Firefox 4.0b7: no
884 * - Chrome 8.0.552.210: works!
886 blobAsDataURL = function(blob, callback) {
887 callback(window.createObjectURL(blob));
889 } else if (typeof window.FileReader != "undefined") {
891 * FileAPI's FileReader can build a data URL from a blob's contents,
892 * but it must read the file and build it asynchronously. This means
893 * we'll be passing a giant data URL around, which may be inefficient.
895 * - Firefox 3.6.6: works!
896 * - Firefox 4.0b7: works!
898 * - Chrome 8.0.552.210: works!
900 blobAsDataURL = function(blob, callback) {
901 var reader = new FileReader();
902 reader.onload = function(event) {
903 callback(reader.result);
905 reader.readAsDataURL(blob);
911 var imageTypes = ['image/png', 'image/jpeg', 'image/gif', 'image/svg+xml'];
912 if ($.inArray(file.type, imageTypes) == -1) {
913 // We probably don't know how to show the file.
917 var maxSize = 8 * 1024 * 1024;
918 if (file.size > maxSize) {
919 // Don't kill the browser trying to load some giant image.
924 blobAsDataURL(file, function(url) {
926 .attr('title', tooltip)
927 .attr('alt', tooltip)
929 .attr('style', 'height: 120px');
930 form.find('.attach-status').append(img);
933 var img = $('<div></div>').text(tooltip);
934 form.find('.attach-status').append(img);
939 * Setup function -- DOES NOT trigger actions immediately.
941 * Initializes state for the location-lookup features in the
942 * new-notice form. Seems to set up some event handlers for
943 * triggering lookups and using the new values.
945 * @param {jQuery} form
948 * @fixme there's not good visual state update here, so users have a
949 * hard time figuring out if it's working or fixing if it's wrong.
952 NoticeLocationAttach: function(form) {
953 // @fixme this should not be tied to the main notice form, as there may be multiple notice forms...
954 var NLat = form.find('[name=lat]')
955 var NLon = form.find('[name=lon]')
956 var NLNS = form.find('[name=location_ns]').val();
957 var NLID = form.find('[name=location_id]').val();
958 var NLN = ''; // @fixme
959 var NDGe = form.find('[name=notice_data-geo]');
960 var check = form.find('[name=notice_data-geo]');
961 var label = form.find('label.notice_data-geo');
963 function removeNoticeDataGeo(error) {
965 .attr('title', jQuery.trim(label.text()))
966 .removeClass('checked');
968 form.find('[name=lat]').val('');
969 form.find('[name=lon]').val('');
970 form.find('[name=location_ns]').val('');
971 form.find('[name=location_id]').val('');
972 form.find('[name=notice_data-geo]').attr('checked', false);
974 $.cookie(SN.C.S.NoticeDataGeoCookie, 'disabled', { path: '/' });
977 form.find('.geo_status_wrapper').removeClass('success').addClass('error');
978 form.find('.geo_status_wrapper .geo_status').text(error);
980 form.find('.geo_status_wrapper').remove();
984 function getJSONgeocodeURL(geocodeURL, data) {
985 SN.U.NoticeGeoStatus(form, 'Looking up place name...');
986 $.getJSON(geocodeURL, data, function(location) {
989 if (typeof(location.location_ns) != 'undefined') {
990 form.find('[name=location_ns]').val(location.location_ns);
991 lns = location.location_ns;
994 if (typeof(location.location_id) != 'undefined') {
995 form.find('[name=location_id]').val(location.location_id);
996 lid = location.location_id;
999 if (typeof(location.name) == 'undefined') {
1000 NLN_text = data.lat + ';' + data.lon;
1003 NLN_text = location.name;
1006 SN.U.NoticeGeoStatus(form, NLN_text, data.lat, data.lon, location.url);
1008 .attr('title', NoticeDataGeo_text.ShareDisable + ' (' + NLN_text + ')');
1010 form.find('[name=lat]').val(data.lat);
1011 form.find('[name=lon]').val(data.lon);
1012 form.find('[name=location_ns]').val(lns);
1013 form.find('[name=location_id]').val(lid);
1014 form.find('[name=notice_data-geo]').attr('checked', true);
1026 $.cookie(SN.C.S.NoticeDataGeoCookie, JSON.stringify(cookieValue), { path: '/' });
1030 if (check.length > 0) {
1031 if ($.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
1032 check.attr('checked', false);
1035 check.attr('checked', true);
1038 var NGW = form.find('.notice_data-geo_wrap');
1039 var geocodeURL = NGW.attr('data-api');
1042 .attr('title', label.text());
1044 check.change(function() {
1045 if (check.attr('checked') === true || $.cookie(SN.C.S.NoticeDataGeoCookie) === null) {
1047 .attr('title', NoticeDataGeo_text.ShareDisable)
1048 .addClass('checked');
1050 if ($.cookie(SN.C.S.NoticeDataGeoCookie) === null || $.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
1051 if (navigator.geolocation) {
1052 SN.U.NoticeGeoStatus(form, 'Requesting location from browser...');
1053 navigator.geolocation.getCurrentPosition(
1054 function(position) {
1055 form.find('[name=lat]').val(position.coords.latitude);
1056 form.find('[name=lon]').val(position.coords.longitude);
1059 lat: position.coords.latitude,
1060 lon: position.coords.longitude,
1061 token: $('#token').val()
1064 getJSONgeocodeURL(geocodeURL, data);
1068 switch(error.code) {
1069 case error.PERMISSION_DENIED:
1070 removeNoticeDataGeo('Location permission denied.');
1073 //$('#'+SN.C.S.NoticeDataGeo).attr('checked', false);
1074 removeNoticeDataGeo('Location lookup timeout.');
1085 if (NLat.length > 0 && NLon.length > 0) {
1089 token: $('#token').val()
1092 getJSONgeocodeURL(geocodeURL, data);
1095 removeNoticeDataGeo();
1102 var cookieValue = JSON.parse($.cookie(SN.C.S.NoticeDataGeoCookie));
1104 form.find('[name=lat]').val(cookieValue.NLat);
1105 form.find('[name=lon]').val(cookieValue.NLon);
1106 form.find('[name=location_ns]').val(cookieValue.NLNS);
1107 form.find('[name=location_id]').val(cookieValue.NLID);
1108 form.find('[name=notice_data-geo]').attr('checked', cookieValue.NDG);
1110 SN.U.NoticeGeoStatus(form, cookieValue.NLN, cookieValue.NLat, cookieValue.NLon, cookieValue.NLNU);
1112 .attr('title', NoticeDataGeo_text.ShareDisable + ' (' + cookieValue.NLN + ')')
1113 .addClass('checked');
1117 removeNoticeDataGeo();
1124 * Create or update a geolocation status widget in this notice posting form.
1126 * @param {jQuery} form
1127 * @param {String} status
1128 * @param {String} lat (optional)
1129 * @param {String} lon (optional)
1130 * @param {String} url (optional)
1132 NoticeGeoStatus: function(form, status, lat, lon, url)
1134 var wrapper = form.find('.geo_status_wrapper');
1135 if (wrapper.length == 0) {
1136 wrapper = $('<div class="'+SN.C.S.Success+' geo_status_wrapper"><button class="close" style="float:right">×</button><div class="geo_status"></div></div>');
1137 wrapper.find('button.close').click(function() {
1138 form.find('[name=notice_data-geo]').removeAttr('checked').change();
1141 form.append(wrapper);
1145 label = $('<a></a>').attr('href', url);
1147 label = $('<span></span>');
1151 var latlon = lat + ';' + lon;
1152 label.attr('title', latlon);
1157 wrapper.find('.geo_status').empty().append(label);
1161 * Setup function -- DOES NOT trigger actions immediately.
1163 * Initializes event handlers for the "Send direct message" link on
1164 * profile pages, setting it up to display a dialog box when clicked.
1166 * Unlike the repeat confirmation form, this appears to fetch
1167 * the form _from the original link target_, so the form itself
1168 * doesn't need to be in the current document.
1170 * @fixme breaks ability to open link in new window?
1172 NewDirectMessage: function() {
1173 NDM = $('.entity_send-a-message a');
1174 NDM.attr({'href':NDM.attr('href')+'&ajax=1'});
1175 NDM.bind('click', function() {
1176 var NDMF = $('.entity_send-a-message form');
1177 if (NDMF.length === 0) {
1178 $(this).addClass(SN.C.S.Processing);
1179 $.get(NDM.attr('href'), null, function(data) {
1180 $('.entity_send-a-message').append(document._importNode($('form', data)[0], true));
1181 NDMF = $('.entity_send-a-message .form_notice');
1182 SN.U.FormNoticeXHR(NDMF);
1183 SN.U.FormNoticeEnhancements(NDMF);
1184 NDMF.append('<button class="close">×</button>');
1185 $('.entity_send-a-message button').click(function(){
1189 NDM.removeClass(SN.C.S.Processing);
1194 $('.entity_send-a-message textarea').focus();
1201 * Return a date object with the current local time on the
1202 * given year, month, and day.
1204 * @param {number} year: 4-digit year
1205 * @param {number} month: 0 == January
1206 * @param {number} day: 1 == 1
1209 GetFullYear: function(year, month, day) {
1210 var date = new Date();
1211 date.setFullYear(year, month, day);
1217 * Some sort of object interface for storing some structured
1218 * information in a cookie.
1220 * Appears to be used to save the last-used login nickname?
1221 * That's something that browsers usually take care of for us
1222 * these days, do we really need to do it? Does anything else
1223 * use this interface?
1225 * @fixme what is this?
1226 * @fixme should this use non-cookie local storage when available?
1228 StatusNetInstance: {
1230 * @fixme what is this?
1232 Set: function(value) {
1233 var SNI = SN.U.StatusNetInstance.Get();
1235 value = $.extend(SNI, value);
1239 SN.C.S.StatusNetInstance,
1240 JSON.stringify(value),
1243 expires: SN.U.GetFullYear(2029, 0, 1)
1248 * @fixme what is this?
1251 var cookieValue = $.cookie(SN.C.S.StatusNetInstance);
1252 if (cookieValue !== null) {
1253 return JSON.parse(cookieValue);
1259 * @fixme what is this?
1261 Delete: function() {
1262 $.cookie(SN.C.S.StatusNetInstance, null);
1267 * Check if the current page is a timeline where the current user's
1268 * posts should be displayed immediately on success.
1270 * @fixme this should be done in a saner way, with machine-readable
1271 * info about what page we're looking at.
1273 * @param {DOMElement} notice: HTML chunk with formatted notice
1276 belongsOnTimeline: function(notice) {
1277 var action = $("body").attr('id');
1278 if (action == 'public') {
1282 var profileLink = $('#nav_profile a').attr('href');
1284 var authorUrl = $(notice).find('.vcard.author a.url').attr('href');
1285 if (authorUrl == profileLink) {
1286 if (action == 'all' || action == 'showstream') {
1287 // Posts always show on your own friends and profile streams.
1293 // @fixme tag, group, reply timelines should be feasible as well.
1294 // Mismatch between id-based and name-based user/group links currently complicates
1295 // the lookup, since all our inline mentions contain the absolute links but the
1296 // UI links currently on the page use malleable names.
1302 * Switch to another active input sub-form.
1303 * This will hide the current form (if any), show the new one, and
1304 * update the input type tab selection state.
1306 * @param {String} tag
1308 switchInputFormTab: function(tag) {
1309 // The one that's current isn't current anymore
1310 $('.input_form_nav_tab.current').removeClass('current');
1311 if (tag == 'placeholder') {
1312 // Hack: when showing the placeholder, mark the tab
1313 // as current for 'Status'.
1314 $('#input_form_nav_status').addClass('current');
1316 $('#input_form_nav_'+tag).addClass('current');
1319 $('.input_form.current').removeClass('current');
1320 $('#input_form_'+tag)
1321 .addClass('current')
1322 .find('.ajax-notice').each(function() {
1324 SN.Init.NoticeFormSetup(form);
1326 .find('textarea:first').focus();
1332 * If user is logged in, run setup code for the new notice form:
1337 * - file upload events
1339 NoticeForm: function() {
1340 if ($('body.user_in').length > 0) {
1341 // SN.Init.NoticeFormSetup() will get run
1342 // when forms get displayed for the first time...
1344 // Hack to initialize the placeholder at top
1345 $('#input_form_placeholder input.placeholder').focus(function() {
1346 SN.U.switchInputFormTab("status");
1349 // Make inline reply forms self-close when clicking out.
1350 $('body').bind('click', function(e) {
1351 var currentForm = $('#content .input_forms div.current');
1352 if (currentForm.length > 0) {
1353 if ($('#content .input_forms').has(e.target).length == 0) {
1354 // If all fields are empty, switch back to the placeholder.
1355 var fields = currentForm.find('textarea, input[type=text], input[type=""]');
1356 var anything = false;
1357 fields.each(function() {
1358 anything = anything || $(this).val();
1361 SN.U.switchInputFormTab("placeholder");
1366 var openReplies = $('li.notice-reply');
1367 if (openReplies.length > 0) {
1368 var target = $(e.target);
1369 openReplies.each(function() {
1370 // Did we click outside this one?
1371 var replyItem = $(this);
1372 if (replyItem.has(e.target).length == 0) {
1373 var textarea = replyItem.find('.notice_data-text:first');
1374 var cur = $.trim(textarea.val());
1375 // Only close if there's been no edit.
1376 if (cur == '' || cur == textarea.data('initialText')) {
1377 var parentNotice = replyItem.closest('li.notice');
1379 parentNotice.find('li.notice-reply-placeholder').show();
1389 * Encapsulate notice form setup for a single form.
1390 * Plugins can add extra setup by monkeypatching this
1393 * @param {jQuery} form
1395 NoticeFormSetup: function(form) {
1396 if (!form.data('NoticeFormSetup')) {
1397 SN.U.NoticeLocationAttach(form);
1398 SN.U.FormNoticeXHR(form);
1399 SN.U.FormNoticeEnhancements(form);
1400 SN.U.NoticeDataAttach(form);
1401 form.data('NoticeFormSetup', true);
1406 * Run setup code for notice timeline views items:
1408 * - AJAX submission for fave/repeat/reply (if logged in)
1409 * - Attachment link extras ('more' links)
1411 Notices: function() {
1412 if ($('body.user_in').length > 0) {
1413 var masterForm = $('.form_notice:first');
1414 if (masterForm.length > 0) {
1415 SN.C.I.NoticeFormMaster = document._importNode(masterForm[0], true);
1417 SN.U.NoticeRepeat();
1419 SN.U.NoticeInlineReplySetup();
1422 SN.U.NoticeAttachments();
1426 * Run setup code for user & group profile page header area if logged in:
1428 * - AJAX submission for sub/unsub/join/leave/nudge
1429 * - AJAX form popup for direct-message
1431 EntityActions: function() {
1432 if ($('body.user_in').length > 0) {
1433 SN.U.NewDirectMessage();
1438 * Run setup code for login form:
1440 * - loads saved last-used-nickname from cookie
1441 * - sets event handler to save nickname to cookie on submit
1443 * @fixme is this necessary? Browsers do their own form saving these days.
1446 if (SN.U.StatusNetInstance.Get() !== null) {
1447 var nickname = SN.U.StatusNetInstance.Get().Nickname;
1448 if (nickname !== null) {
1449 $('#form_login #nickname').val(nickname);
1453 $('#form_login').bind('submit', function() {
1454 SN.U.StatusNetInstance.Set({Nickname: $('#form_login #nickname').val()});
1460 * Set up any generic 'ajax' form so it submits via AJAX with auto-replacement.
1462 AjaxForms: function() {
1463 $('form.ajax').live('submit', function() {
1464 SN.U.FormXHR($(this));
1467 $('form.ajax input[type=submit]').live('click', function() {
1468 // Some forms rely on knowing which submit button was clicked.
1469 // Save a hidden input field which'll be picked up during AJAX
1471 var button = $(this);
1472 var form = button.closest('form');
1473 form.find('.hidden-submit-button').remove();
1474 $('<input class="hidden-submit-button" type="hidden" />')
1475 .attr('name', button.attr('name'))
1482 * Add logic to any file upload forms to handle file size limits,
1483 * on browsers that support basic FileAPI.
1485 UploadForms: function () {
1486 $('input[type=file]').change(function(event) {
1487 if (typeof this.files == "object" && this.files.length > 0) {
1489 for (var i = 0; i < this.files.length; i++) {
1490 size += this.files[i].size;
1493 var max = SN.U.maxFileSize($(this.form));
1494 if (max > 0 && size > max) {
1495 var msg = 'File too large: maximum upload size is %d bytes.';
1496 alert(msg.replace('%d', max));
1500 event.preventDefault();
1510 * Run initialization functions on DOM-ready.
1512 * Note that if we're waiting on other scripts to load, this won't happen
1513 * until that's done. To load scripts asynchronously without delaying setup,
1514 * don't start them loading until after DOM-ready time!
1516 $(document).ready(function(){
1517 SN.Init.AjaxForms();
1518 SN.Init.UploadForms();
1519 if ($('.'+SN.C.S.FormNotice).length > 0) {
1520 SN.Init.NoticeForm();
1522 if ($('#content .notices').length > 0) {
1525 if ($('#content .entity_actions').length > 0) {
1526 SN.Init.EntityActions();
1528 if ($('#form_login').length > 0) {