js/util.js

   1 /*
   2  * StatusNet - a distributed open-source microblogging tool
   3  * Copyright (C) 2008, StatusNet, Inc.
   4  *
   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.
   9  *
  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.
  14  *
  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/>.
  17  *
  18  * @category  UI interaction
  19  * @package   StatusNet
  20  * @author    Sarven Capadisli <csarven@status.net>
  21  * @author    Evan Prodromou <evan@status.net>
  22  * @copyright 2009 StatusNet, Inc.
  23  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  24  * @link      http://status.net/
  25  */
  26
  27 var SN = { // StatusNet
  28     C: { // Config
  29         I: { // Init
  30             CounterBlackout: false,
  31             MaxLength: 140,
  32             PatternUsername: /^[0-9a-zA-Z\-_.]*$/,
  33             HTTP20x30x: [200, 201, 202, 203, 204, 205, 206, 300, 301, 302, 303, 304, 305, 306, 307]
  34         },
  35
  36         S: { // Selector
  37             Disabled: 'disabled',
  38             Warning: 'warning',
  39             Error: 'error',
  40             Success: 'success',
  41             Processing: 'processing',
  42             CommandResult: 'command_result',
  43             FormNotice: 'form_notice',
  44             NoticeDataText: 'notice_data-text',
  45             NoticeTextCount: 'notice_text-count',
  46             NoticeInReplyTo: 'notice_in-reply-to',
  47             NoticeDataAttach: 'notice_data-attach',
  48             NoticeDataAttachSelected: 'notice_data-attach_selected',
  49             NoticeActionSubmit: 'notice_action-submit',
  50             NoticeLat: 'notice_data-lat',
  51             NoticeLon: 'notice_data-lon',
  52             NoticeLocationId: 'notice_data-location_id',
  53             NoticeLocationNs: 'notice_data-location_ns',
  54             NoticeGeoName: 'notice_data-geo_name',
  55             NoticeDataGeo: 'notice_data-geo',
  56             NoticeDataGeoCookie: 'NoticeDataGeo',
  57             NoticeDataGeoSelected: 'notice_data-geo_selected',
  58             StatusNetInstance:'StatusNetInstance'
  59         }
  60     },
  61
  62     messages: {},
  63     msg: function(key) {
  64         if (typeof SN.messages[key] == "undefined") {
  65             return '[' + key + ']';
  66         } else {
  67             return SN.messages[key];
  68         }
  69     },
  70
  71     U: { // Utils
  72         FormNoticeEnhancements: function(form) {
  73             if (jQuery.data(form[0], 'ElementData') === undefined) {
  74                 MaxLength = form.find('#'+SN.C.S.NoticeTextCount).text();
  75                 if (typeof(MaxLength) == 'undefined') {
  76                      MaxLength = SN.C.I.MaxLength;
  77                 }
  78                 jQuery.data(form[0], 'ElementData', {MaxLength:MaxLength});
  79
  80                 SN.U.Counter(form);
  81
  82                 NDT = form.find('#'+SN.C.S.NoticeDataText);
  83
  84                 NDT.bind('keyup', function(e) {
  85                     SN.U.Counter(form);
  86                 });
  87
  88                 var delayedUpdate= function(e) {
  89                     // Cut and paste events fire *before* the operation,
  90                     // so we need to trigger an update in a little bit.
  91                     // This would be so much easier if the 'change' event
  92                     // actually fired every time the value changed. :P
  93                     window.setTimeout(function() {
  94                         SN.U.Counter(form);
  95                     }, 50);
  96                 };
  97                 // Note there's still no event for mouse-triggered 'delete'.
  98                 NDT.bind('cut', delayedUpdate)
  99                    .bind('paste', delayedUpdate);
 100
 101                 NDT.bind('keydown', function(e) {
 102                     SN.U.SubmitOnReturn(e, form);
 103                 });
 104             }
 105             else {
 106                 form.find('#'+SN.C.S.NoticeTextCount).text(jQuery.data(form[0], 'ElementData').MaxLength);
 107             }
 108
 109             if ($('body')[0].id != 'conversation' && window.location.hash.length === 0 && $(window).scrollTop() == 0) {
 110                 form.find('textarea').focus();
 111             }
 112         },
 113
 114         SubmitOnReturn: function(event, el) {
 115             if (event.keyCode == 13 || event.keyCode == 10) {
 116                 el.submit();
 117                 event.preventDefault();
 118                 event.stopPropagation();
 119                 $('#'+el[0].id+' #'+SN.C.S.NoticeDataText).blur();
 120                 $('body').focus();
 121                 return false;
 122             }
 123             return true;
 124         },
 125
 126         Counter: function(form) {
 127             SN.C.I.FormNoticeCurrent = form;
 128
 129             var MaxLength = jQuery.data(form[0], 'ElementData').MaxLength;
 130
 131             if (MaxLength <= 0) {
 132                 return;
 133             }
 134
 135             var remaining = MaxLength - SN.U.CharacterCount(form);
 136             var counter = form.find('#'+SN.C.S.NoticeTextCount);
 137
 138             if (remaining.toString() != counter.text()) {
 139                 if (!SN.C.I.CounterBlackout || remaining === 0) {
 140                     if (counter.text() != String(remaining)) {
 141                         counter.text(remaining);
 142                     }
 143                     if (remaining < 0) {
 144                         form.addClass(SN.C.S.Warning);
 145                     } else {
 146                         form.removeClass(SN.C.S.Warning);
 147                     }
 148                     // Skip updates for the next 500ms.
 149                     // On slower hardware, updating on every keypress is unpleasant.
 150                     if (!SN.C.I.CounterBlackout) {
 151                         SN.C.I.CounterBlackout = true;
 152                         SN.C.I.FormNoticeCurrent = form;
 153                         window.setTimeout("SN.U.ClearCounterBlackout(SN.C.I.FormNoticeCurrent);", 500);
 154                     }
 155                 }
 156             }
 157         },
 158
 159         CharacterCount: function(form) {
 160             return form.find('#'+SN.C.S.NoticeDataText).val().length;
 161         },
 162
 163         ClearCounterBlackout: function(form) {
 164             // Allow keyup events to poke the counter again
 165             SN.C.I.CounterBlackout = false;
 166             // Check if the string changed since we last looked
 167             SN.U.Counter(form);
 168         },
 169
 170         FormXHR: function(form) {
 171             $.ajax({
 172                 type: 'POST',
 173                 dataType: 'xml',
 174                 url: form.attr('action'),
 175                 data: form.serialize() + '&ajax=1',
 176                 beforeSend: function(xhr) {
 177                     form
 178                         .addClass(SN.C.S.Processing)
 179                         .find('.submit')
 180                             .addClass(SN.C.S.Disabled)
 181                             .attr(SN.C.S.Disabled, SN.C.S.Disabled);
 182                 },
 183                 error: function (xhr, textStatus, errorThrown) {
 184                     alert(errorThrown || textStatus);
 185                 },
 186                 success: function(data, textStatus) {
 187                     if (typeof($('form', data)[0]) != 'undefined') {
 188                         form_new = document._importNode($('form', data)[0], true);
 189                         form.replaceWith(form_new);
 190                     }
 191                     else {
 192                         form.replaceWith(document._importNode($('p', data)[0], true));
 193                     }
 194                 }
 195             });
 196         },
 197
 198         FormNoticeXHR: function(form) {
 199             SN.C.I.NoticeDataGeo = {};
 200             form.append('<input type="hidden" name="ajax" value="1"/>');
 201             form.ajaxForm({
 202                 dataType: 'xml',
 203                 timeout: '60000',
 204                 beforeSend: function(formData) {
 205                     if (form.find('#'+SN.C.S.NoticeDataText)[0].value.length === 0) {
 206                         form.addClass(SN.C.S.Warning);
 207                         return false;
 208                     }
 209                     form
 210                         .addClass(SN.C.S.Processing)
 211                         .find('#'+SN.C.S.NoticeActionSubmit)
 212                             .addClass(SN.C.S.Disabled)
 213                             .attr(SN.C.S.Disabled, SN.C.S.Disabled);
 214
 215                     SN.C.I.NoticeDataGeo.NLat = $('#'+SN.C.S.NoticeLat).val();
 216                     SN.C.I.NoticeDataGeo.NLon = $('#'+SN.C.S.NoticeLon).val();
 217                     SN.C.I.NoticeDataGeo.NLNS = $('#'+SN.C.S.NoticeLocationNs).val();
 218                     SN.C.I.NoticeDataGeo.NLID = $('#'+SN.C.S.NoticeLocationId).val();
 219                     SN.C.I.NoticeDataGeo.NDG = $('#'+SN.C.S.NoticeDataGeo).attr('checked');
 220
 221                     cookieValue = $.cookie(SN.C.S.NoticeDataGeoCookie);
 222
 223                     if (cookieValue !== null && cookieValue != 'disabled') {
 224                         cookieValue = JSON.parse(cookieValue);
 225                         SN.C.I.NoticeDataGeo.NLat = $('#'+SN.C.S.NoticeLat).val(cookieValue.NLat).val();
 226                         SN.C.I.NoticeDataGeo.NLon = $('#'+SN.C.S.NoticeLon).val(cookieValue.NLon).val();
 227                         if ($('#'+SN.C.S.NoticeLocationNs).val(cookieValue.NLNS)) {
 228                             SN.C.I.NoticeDataGeo.NLNS = $('#'+SN.C.S.NoticeLocationNs).val(cookieValue.NLNS).val();
 229                             SN.C.I.NoticeDataGeo.NLID = $('#'+SN.C.S.NoticeLocationId).val(cookieValue.NLID).val();
 230                         }
 231                     }
 232                     if (cookieValue == 'disabled') {
 233                         SN.C.I.NoticeDataGeo.NDG = $('#'+SN.C.S.NoticeDataGeo).attr('checked', false).attr('checked');
 234                     }
 235                     else {
 236                         SN.C.I.NoticeDataGeo.NDG = $('#'+SN.C.S.NoticeDataGeo).attr('checked', true).attr('checked');
 237                     }
 238
 239                     return true;
 240                 },
 241                 error: function (xhr, textStatus, errorThrown) {
 242                     form
 243                         .removeClass(SN.C.S.Processing)
 244                         .find('#'+SN.C.S.NoticeActionSubmit)
 245                             .removeClass(SN.C.S.Disabled)
 246                             .removeAttr(SN.C.S.Disabled, SN.C.S.Disabled);
 247                     form.find('.form_response').remove();
 248                     if (textStatus == 'timeout') {
 249                         form.append('<p class="form_response error">Sorry! We had trouble sending your notice. The servers are overloaded. Please try again, and contact the site administrator if this problem persists.</p>');
 250                     }
 251                     else {
 252                         var response = SN.U.GetResponseXML(xhr);
 253                         if ($('.'+SN.C.S.Error, response).length > 0) {
 254                             form.append(document._importNode($('.'+SN.C.S.Error, response)[0], true));
 255                         }
 256                         else {
 257                             if (parseInt(xhr.status) === 0 || jQuery.inArray(parseInt(xhr.status), SN.C.I.HTTP20x30x) >= 0) {
 258                                 form
 259                                     .resetForm()
 260                                     .find('#'+SN.C.S.NoticeDataAttachSelected).remove();
 261                                 SN.U.FormNoticeEnhancements(form);
 262                             }
 263                             else {
 264                                 form.append('<p class="form_response error">(Sorry! We had trouble sending your notice ('+xhr.status+' '+xhr.statusText+'). Please report the problem to the site administrator if this happens again.</p>');
 265                             }
 266                         }
 267                     }
 268                 },
 269                 success: function(data, textStatus) {
 270                     form.find('.form_response').remove();
 271                     var result;
 272                     if ($('#'+SN.C.S.Error, data).length > 0) {
 273                         result = document._importNode($('p', data)[0], true);
 274                         result = result.textContent || result.innerHTML;
 275                         form.append('<p class="form_response error">'+result+'</p>');
 276                     }
 277                     else {
 278                         if($('body')[0].id == 'bookmarklet') {
 279                             self.close();
 280                         }
 281
 282                         if ($('#'+SN.C.S.CommandResult, data).length > 0) {
 283                             result = document._importNode($('p', data)[0], true);
 284                             result = result.textContent || result.innerHTML;
 285                             form.append('<p class="form_response success">'+result+'</p>');
 286                         }
 287                         else {
 288                             // New notice post was successful. If on our timeline, show it!
 289                             var notice = document._importNode($('li', data)[0], true);
 290                             var notices = $('#notices_primary .notices');
 291                             if (notices.length > 0 && SN.U.belongsOnTimeline(notice)) {
 292                                 if ($('#'+notice.id).length === 0) {
 293                                     var notice_irt_value = $('#'+SN.C.S.NoticeInReplyTo).val();
 294                                     var notice_irt = '#notices_primary #notice-'+notice_irt_value;
 295                                     if($('body')[0].id == 'conversation') {
 296                                         if(notice_irt_value.length > 0 && $(notice_irt+' .notices').length < 1) {
 297                                             $(notice_irt).append('<ul class="notices"></ul>');
 298                                         }
 299                                         $($(notice_irt+' .notices')[0]).append(notice);
 300                                     }
 301                                     else {
 302                                         notices.prepend(notice);
 303                                     }
 304                                     $('#'+notice.id)
 305                                         .css({display:'none'})
 306                                         .fadeIn(2500);
 307                                     SN.U.NoticeWithAttachment($('#'+notice.id));
 308                                     SN.U.NoticeReplyTo($('#'+notice.id));
 309                                 }
 310                             }
 311                             else {
 312                                 // Not on a timeline that this belongs on?
 313                                 // Just show a success message.
 314                                 result = document._importNode($('title', data)[0], true);
 315                                 result_title = result.textContent || result.innerHTML;
 316                                 form.append('<p class="form_response success">'+result_title+'</p>');
 317                             }
 318                         }
 319                         form.resetForm();
 320                         form.find('#'+SN.C.S.NoticeInReplyTo).val('');
 321                         form.find('#'+SN.C.S.NoticeDataAttachSelected).remove();
 322                         SN.U.FormNoticeEnhancements(form);
 323                     }
 324                 },
 325                 complete: function(xhr, textStatus) {
 326                     form
 327                         .removeClass(SN.C.S.Processing)
 328                         .find('#'+SN.C.S.NoticeActionSubmit)
 329                             .removeAttr(SN.C.S.Disabled)
 330                             .removeClass(SN.C.S.Disabled);
 331
 332                     $('#'+SN.C.S.NoticeLat).val(SN.C.I.NoticeDataGeo.NLat);
 333                     $('#'+SN.C.S.NoticeLon).val(SN.C.I.NoticeDataGeo.NLon);
 334                     if ($('#'+SN.C.S.NoticeLocationNs)) {
 335                         $('#'+SN.C.S.NoticeLocationNs).val(SN.C.I.NoticeDataGeo.NLNS);
 336                         $('#'+SN.C.S.NoticeLocationId).val(SN.C.I.NoticeDataGeo.NLID);
 337                     }
 338                     $('#'+SN.C.S.NoticeDataGeo).attr('checked', SN.C.I.NoticeDataGeo.NDG);
 339                 }
 340             });
 341         },
 342
 343         GetResponseXML: function(xhr) {
 344             // Work around unavailable responseXML when document.domain
 345             // has been modified by Meteor or other tools.
 346             try {
 347                 return xhr.responseXML;
 348             } catch (e) {
 349                 return (new DOMParser()).parseFromString(xhr.responseText, "text/xml");
 350             }
 351         },
 352
 353         NoticeReply: function() {
 354             if ($('#'+SN.C.S.NoticeDataText).length > 0 && $('#content .notice_reply').length > 0) {
 355                 $('#content .notice').each(function() { SN.U.NoticeReplyTo($(this)); });
 356             }
 357         },
 358
 359         NoticeReplyTo: function(notice) {
 360             notice.find('.notice_reply').live('click', function() {
 361                 var nickname = ($('.author .nickname', notice).length > 0) ? $($('.author .nickname', notice)[0]) : $('.author .nickname.uid');
 362                 SN.U.NoticeReplySet(nickname.text(), $($('.notice_id', notice)[0]).text());
 363                 return false;
 364             });
 365         },
 366
 367         NoticeReplySet: function(nick,id) {
 368             if (nick.match(SN.C.I.PatternUsername)) {
 369                 var text = $('#'+SN.C.S.NoticeDataText);
 370                 if (text.length > 0) {
 371                     replyto = '@' + nick + ' ';
 372                     text.val(replyto + text.val().replace(RegExp(replyto, 'i'), ''));
 373                     $('#'+SN.C.S.FormNotice+' #'+SN.C.S.NoticeInReplyTo).val(id);
 374
 375                     text[0].focus();
 376                     if (text[0].setSelectionRange) {
 377                         var len = text.val().length;
 378                         text[0].setSelectionRange(len,len);
 379                     }
 380                 }
 381             }
 382         },
 383
 384         NoticeFavor: function() {
 385             $('.form_favor').live('click', function() { SN.U.FormXHR($(this)); return false; });
 386             $('.form_disfavor').live('click', function() { SN.U.FormXHR($(this)); return false; });
 387         },
 388
 389         NoticeRepeat: function() {
 390             $('.form_repeat').live('click', function(e) {
 391                 e.preventDefault();
 392
 393                 SN.U.NoticeRepeatConfirmation($(this));
 394                 return false;
 395             });
 396         },
 397
 398         NoticeRepeatConfirmation: function(form) {
 399             var submit_i = form.find('.submit');
 400
 401             var submit = submit_i.clone();
 402             submit
 403                 .addClass('submit_dialogbox')
 404                 .removeClass('submit');
 405             form.append(submit);
 406             submit.bind('click', function() { SN.U.FormXHR(form); return false; });
 407
 408             submit_i.hide();
 409
 410             form
 411                 .addClass('dialogbox')
 412                 .append('<button class="close">&#215;</button>')
 413                 .closest('.notice-options')
 414                     .addClass('opaque');
 415
 416             form.find('button.close').click(function(){
 417                 $(this).remove();
 418
 419                 form
 420                     .removeClass('dialogbox')
 421                     .closest('.notice-options')
 422                         .removeClass('opaque');
 423
 424                 form.find('.submit_dialogbox').remove();
 425                 form.find('.submit').show();
 426
 427                 return false;
 428             });
 429         },
 430
 431         NoticeAttachments: function() {
 432             $('.notice a.attachment').each(function() {
 433                 SN.U.NoticeWithAttachment($(this).closest('.notice'));
 434             });
 435         },
 436
 437         NoticeWithAttachment: function(notice) {
 438             if (notice.find('.attachment').length === 0) {
 439                 return;
 440             }
 441
 442             var attachment_more = notice.find('.attachment.more');
 443             if (attachment_more.length > 0) {
 444                 $(attachment_more[0]).click(function() {
 445                     var m = $(this);
 446                     m.addClass(SN.C.S.Processing);
 447                     $.get(m.attr('href')+'/ajax', null, function(data) {
 448                         m.parent('.entry-content').html($(data).find('#attachment_view .entry-content').html());
 449                     });
 450
 451                     return false;
 452                 }).attr('title', SN.msg('showmore_tooltip'));
 453             }
 454         },
 455
 456         NoticeDataAttach: function() {
 457             NDA = $('#'+SN.C.S.NoticeDataAttach);
 458             NDA.change(function() {
 459                 S = '<div id="'+SN.C.S.NoticeDataAttachSelected+'" class="'+SN.C.S.Success+'"><code>'+$(this).val()+'</code> <button class="close">&#215;</button></div>';
 460                 NDAS = $('#'+SN.C.S.NoticeDataAttachSelected);
 461                 if (NDAS.length > 0) {
 462                     NDAS.replaceWith(S);
 463                 }
 464                 else {
 465                     $('#'+SN.C.S.FormNotice).append(S);
 466                 }
 467                 $('#'+SN.C.S.NoticeDataAttachSelected+' button').click(function(){
 468                     $('#'+SN.C.S.NoticeDataAttachSelected).remove();
 469                     NDA.val('');
 470
 471                     return false;
 472                 });
 473                 if (typeof this.files == "object") {
 474                     // Some newer browsers will let us fetch the files for preview.
 475                     for (var i = 0; i < this.files.length; i++) {
 476                         SN.U.PreviewAttach(this.files[i]);
 477                     }
 478                 }
 479             });
 480         },
 481
 482         /**
 483          * For browsers with FileAPI support: make a thumbnail if possible,
 484          * and append it into the attachment display widget.
 485          *
 486          * Known good:
 487          * - Firefox 3.6.6, 4.0b7
 488          * - Chrome 8.0.552.210
 489          *
 490          * Known ok metadata, can't get contents:
 491          * - Safari 5.0.2
 492          *
 493          * Known fail:
 494          * - Opera 10.63, 11 beta (no input.files interface)
 495          *
 496          * @param {File} file
 497          *
 498          * @todo use configured thumbnail size
 499          * @todo detect pixel size?
 500          * @todo should we render a thumbnail to a canvas and then use the smaller image?
 501          */
 502         PreviewAttach: function(file) {
 503             var tooltip = file.type + ' ' + Math.round(file.size / 1024) + 'KB';
 504             var preview = true;
 505
 506             var blobAsDataURL;
 507             if (typeof window.createObjectURL != "undefined") {
 508                 /**
 509                  * createObjectURL lets us reference the file directly from an <img>
 510                  * This produces a compact URL with an opaque reference to the file,
 511                  * which we can reference immediately.
 512                  *
 513                  * - Firefox 3.6.6: no
 514                  * - Firefox 4.0b7: no
 515                  * - Safari 5.0.2: no
 516                  * - Chrome 8.0.552.210: works!
 517                  */
 518                 blobAsDataURL = function(blob, callback) {
 519                     callback(window.createObjectURL(blob));
 520                 }
 521             } else if (typeof window.FileReader != "undefined") {
 522                 /**
 523                  * FileAPI's FileReader can build a data URL from a blob's contents,
 524                  * but it must read the file and build it asynchronously. This means
 525                  * we'll be passing a giant data URL around, which may be inefficient.
 526                  *
 527                  * - Firefox 3.6.6: works!
 528                  * - Firefox 4.0b7: works!
 529                  * - Safari 5.0.2: no
 530                  * - Chrome 8.0.552.210: works!
 531                  */
 532                 blobAsDataURL = function(blob, callback) {
 533                     var reader = new FileReader();
 534                     reader.onload = function(event) {
 535                         callback(reader.result);
 536                     }
 537                     reader.readAsDataURL(blob);
 538                 }
 539             } else {
 540                 preview = false;
 541             }
 542
 543             var imageTypes = ['image/png', 'image/jpeg', 'image/gif', 'image/svg+xml'];
 544             if ($.inArray(file.type, imageTypes) == -1) {
 545                 // We probably don't know how to show the file.
 546                 preview = false;
 547             }
 548
 549             var maxSize = 8 * 1024 * 1024;
 550             if (file.size > maxSize) {
 551                 // Don't kill the browser trying to load some giant image.
 552                 preview = false;
 553             }
 554
 555             if (preview) {
 556                 blobAsDataURL(file, function(url) {
 557                     var img = $('<img>')
 558                         .attr('title', tooltip)
 559                         .attr('alt', tooltip)
 560                         .attr('src', url)
 561                         .attr('style', 'height: 120px');
 562                     $('#'+SN.C.S.NoticeDataAttachSelected).append(img);
 563                 });
 564             } else {
 565                 var img = $('<div></div>').text(tooltip);
 566                 $('#'+SN.C.S.NoticeDataAttachSelected).append(img);
 567             }
 568         },
 569
 570         NoticeLocationAttach: function() {
 571             var NLat = $('#'+SN.C.S.NoticeLat).val();
 572             var NLon = $('#'+SN.C.S.NoticeLon).val();
 573             var NLNS = $('#'+SN.C.S.NoticeLocationNs).val();
 574             var NLID = $('#'+SN.C.S.NoticeLocationId).val();
 575             var NLN = $('#'+SN.C.S.NoticeGeoName).text();
 576             var NDGe = $('#'+SN.C.S.NoticeDataGeo);
 577
 578             function removeNoticeDataGeo() {
 579                 $('label[for='+SN.C.S.NoticeDataGeo+']')
 580                     .attr('title', jQuery.trim($('label[for='+SN.C.S.NoticeDataGeo+']').text()))
 581                     .removeClass('checked');
 582
 583                 $('#'+SN.C.S.NoticeLat).val('');
 584                 $('#'+SN.C.S.NoticeLon).val('');
 585                 $('#'+SN.C.S.NoticeLocationNs).val('');
 586                 $('#'+SN.C.S.NoticeLocationId).val('');
 587                 $('#'+SN.C.S.NoticeDataGeo).attr('checked', false);
 588
 589                 $.cookie(SN.C.S.NoticeDataGeoCookie, 'disabled', { path: '/' });
 590             }
 591
 592             function getJSONgeocodeURL(geocodeURL, data) {
 593                 $.getJSON(geocodeURL, data, function(location) {
 594                     var lns, lid;
 595
 596                     if (typeof(location.location_ns) != 'undefined') {
 597                         $('#'+SN.C.S.NoticeLocationNs).val(location.location_ns);
 598                         lns = location.location_ns;
 599                     }
 600
 601                     if (typeof(location.location_id) != 'undefined') {
 602                         $('#'+SN.C.S.NoticeLocationId).val(location.location_id);
 603                         lid = location.location_id;
 604                     }
 605
 606                     if (typeof(location.name) == 'undefined') {
 607                         NLN_text = data.lat + ';' + data.lon;
 608                     }
 609                     else {
 610                         NLN_text = location.name;
 611                     }
 612
 613                     $('label[for='+SN.C.S.NoticeDataGeo+']')
 614                         .attr('title', NoticeDataGeo_text.ShareDisable + ' (' + NLN_text + ')');
 615
 616                     $('#'+SN.C.S.NoticeLat).val(data.lat);
 617                     $('#'+SN.C.S.NoticeLon).val(data.lon);
 618                     $('#'+SN.C.S.NoticeLocationNs).val(lns);
 619                     $('#'+SN.C.S.NoticeLocationId).val(lid);
 620                     $('#'+SN.C.S.NoticeDataGeo).attr('checked', true);
 621
 622                     var cookieValue = {
 623                         NLat: data.lat,
 624                         NLon: data.lon,
 625                         NLNS: lns,
 626                         NLID: lid,
 627                         NLN: NLN_text,
 628                         NLNU: location.url,
 629                         NDG: true
 630                     };
 631
 632                     $.cookie(SN.C.S.NoticeDataGeoCookie, JSON.stringify(cookieValue), { path: '/' });
 633                 });
 634             }
 635
 636             if (NDGe.length > 0) {
 637                 if ($.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
 638                     NDGe.attr('checked', false);
 639                 }
 640                 else {
 641                     NDGe.attr('checked', true);
 642                 }
 643
 644                 var NGW = $('#notice_data-geo_wrap');
 645                 var geocodeURL = NGW.attr('title');
 646                 NGW.removeAttr('title');
 647
 648                 $('label[for='+SN.C.S.NoticeDataGeo+']')
 649                     .attr('title', jQuery.trim($('label[for='+SN.C.S.NoticeDataGeo+']').text()));
 650
 651                 NDGe.change(function() {
 652                     if ($('#'+SN.C.S.NoticeDataGeo).attr('checked') === true || $.cookie(SN.C.S.NoticeDataGeoCookie) === null) {
 653                         $('label[for='+SN.C.S.NoticeDataGeo+']')
 654                             .attr('title', NoticeDataGeo_text.ShareDisable)
 655                             .addClass('checked');
 656
 657                         if ($.cookie(SN.C.S.NoticeDataGeoCookie) === null || $.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
 658                             if (navigator.geolocation) {
 659                                 navigator.geolocation.getCurrentPosition(
 660                                     function(position) {
 661                                         $('#'+SN.C.S.NoticeLat).val(position.coords.latitude);
 662                                         $('#'+SN.C.S.NoticeLon).val(position.coords.longitude);
 663
 664                                         var data = {
 665                                             lat: position.coords.latitude,
 666                                             lon: position.coords.longitude,
 667                                             token: $('#token').val()
 668                                         };
 669
 670                                         getJSONgeocodeURL(geocodeURL, data);
 671                                     },
 672
 673                                     function(error) {
 674                                         switch(error.code) {
 675                                             case error.PERMISSION_DENIED:
 676                                                 removeNoticeDataGeo();
 677                                                 break;
 678                                             case error.TIMEOUT:
 679                                                 $('#'+SN.C.S.NoticeDataGeo).attr('checked', false);
 680                                                 break;
 681                                         }
 682                                     },
 683
 684                                     {
 685                                         timeout: 10000
 686                                     }
 687                                 );
 688                             }
 689                             else {
 690                                 if (NLat.length > 0 && NLon.length > 0) {
 691                                     var data = {
 692                                         lat: NLat,
 693                                         lon: NLon,
 694                                         token: $('#token').val()
 695                                     };
 696
 697                                     getJSONgeocodeURL(geocodeURL, data);
 698                                 }
 699                                 else {
 700                                     removeNoticeDataGeo();
 701                                     $('#'+SN.C.S.NoticeDataGeo).remove();
 702                                     $('label[for='+SN.C.S.NoticeDataGeo+']').remove();
 703                                 }
 704                             }
 705                         }
 706                         else {
 707                             var cookieValue = JSON.parse($.cookie(SN.C.S.NoticeDataGeoCookie));
 708
 709                             $('#'+SN.C.S.NoticeLat).val(cookieValue.NLat);
 710                             $('#'+SN.C.S.NoticeLon).val(cookieValue.NLon);
 711                             $('#'+SN.C.S.NoticeLocationNs).val(cookieValue.NLNS);
 712                             $('#'+SN.C.S.NoticeLocationId).val(cookieValue.NLID);
 713                             $('#'+SN.C.S.NoticeDataGeo).attr('checked', cookieValue.NDG);
 714
 715                             $('label[for='+SN.C.S.NoticeDataGeo+']')
 716                                 .attr('title', NoticeDataGeo_text.ShareDisable + ' (' + cookieValue.NLN + ')')
 717                                 .addClass('checked');
 718                         }
 719                     }
 720                     else {
 721                         removeNoticeDataGeo();
 722                     }
 723                 }).change();
 724             }
 725         },
 726
 727         NewDirectMessage: function() {
 728             NDM = $('.entity_send-a-message a');
 729             NDM.attr({'href':NDM.attr('href')+'&ajax=1'});
 730             NDM.bind('click', function() {
 731                 var NDMF = $('.entity_send-a-message form');
 732                 if (NDMF.length === 0) {
 733                     $(this).addClass(SN.C.S.Processing);
 734                     $.get(NDM.attr('href'), null, function(data) {
 735                         $('.entity_send-a-message').append(document._importNode($('form', data)[0], true));
 736                         NDMF = $('.entity_send-a-message .form_notice');
 737                         SN.U.FormNoticeXHR(NDMF);
 738                         SN.U.FormNoticeEnhancements(NDMF);
 739                         NDMF.append('<button class="close">&#215;</button>');
 740                         $('.entity_send-a-message button').click(function(){
 741                             NDMF.hide();
 742                             return false;
 743                         });
 744                         NDM.removeClass(SN.C.S.Processing);
 745                     });
 746                 }
 747                 else {
 748                     NDMF.show();
 749                     $('.entity_send-a-message textarea').focus();
 750                 }
 751                 return false;
 752             });
 753         },
 754
 755         GetFullYear: function(year, month, day) {
 756             var date = new Date();
 757             date.setFullYear(year, month, day);
 758
 759             return date;
 760         },
 761
 762         StatusNetInstance: {
 763             Set: function(value) {
 764                 var SNI = SN.U.StatusNetInstance.Get();
 765                 if (SNI !== null) {
 766                     value = $.extend(SNI, value);
 767                 }
 768
 769                 $.cookie(
 770                     SN.C.S.StatusNetInstance,
 771                     JSON.stringify(value),
 772                     {
 773                         path: '/',
 774                         expires: SN.U.GetFullYear(2029, 0, 1)
 775                     });
 776             },
 777
 778             Get: function() {
 779                 var cookieValue = $.cookie(SN.C.S.StatusNetInstance);
 780                 if (cookieValue !== null) {
 781                     return JSON.parse(cookieValue);
 782                 }
 783                 return null;
 784             },
 785
 786             Delete: function() {
 787                 $.cookie(SN.C.S.StatusNetInstance, null);
 788             }
 789         },
 790
 791         /**
 792          * Check if the current page is a timeline where the current user's
 793          * posts should be displayed immediately on success.
 794          *
 795          * @fixme this should be done in a saner way, with machine-readable
 796          * info about what page we're looking at.
 797          */
 798         belongsOnTimeline: function(notice) {
 799             var action = $("body").attr('id');
 800             if (action == 'public') {
 801                 return true;
 802             }
 803
 804             var profileLink = $('#nav_profile a').attr('href');
 805             if (profileLink) {
 806                 var authorUrl = $(notice).find('.entry-title .author a.url').attr('href');
 807                 if (authorUrl == profileLink) {
 808                     if (action == 'all' || action == 'showstream') {
 809                         // Posts always show on your own friends and profile streams.
 810                         return true;
 811                     }
 812                 }
 813             }
 814
 815             // @fixme tag, group, reply timelines should be feasible as well.
 816             // Mismatch between id-based and name-based user/group links currently complicates
 817             // the lookup, since all our inline mentions contain the absolute links but the
 818             // UI links currently on the page use malleable names.
 819
 820             return false;
 821         }
 822     },
 823
 824     Init: {
 825         NoticeForm: function() {
 826             if ($('body.user_in').length > 0) {
 827                 SN.U.NoticeLocationAttach();
 828
 829                 $('.'+SN.C.S.FormNotice).each(function() {
 830                     SN.U.FormNoticeXHR($(this));
 831                     SN.U.FormNoticeEnhancements($(this));
 832                 });
 833
 834                 SN.U.NoticeDataAttach();
 835             }
 836         },
 837
 838         Notices: function() {
 839             if ($('body.user_in').length > 0) {
 840                 SN.U.NoticeFavor();
 841                 SN.U.NoticeRepeat();
 842                 SN.U.NoticeReply();
 843             }
 844
 845             SN.U.NoticeAttachments();
 846         },
 847
 848         EntityActions: function() {
 849             if ($('body.user_in').length > 0) {
 850                 $('.form_user_subscribe').live('click', function() { SN.U.FormXHR($(this)); return false; });
 851                 $('.form_user_unsubscribe').live('click', function() { SN.U.FormXHR($(this)); return false; });
 852                 $('.form_group_join').live('click', function() { SN.U.FormXHR($(this)); return false; });
 853                 $('.form_group_leave').live('click', function() { SN.U.FormXHR($(this)); return false; });
 854                 $('.form_user_nudge').live('click', function() { SN.U.FormXHR($(this)); return false; });
 855
 856                 SN.U.NewDirectMessage();
 857             }
 858         },
 859
 860         Login: function() {
 861             if (SN.U.StatusNetInstance.Get() !== null) {
 862                 var nickname = SN.U.StatusNetInstance.Get().Nickname;
 863                 if (nickname !== null) {
 864                     $('#form_login #nickname').val(nickname);
 865                 }
 866             }
 867
 868             $('#form_login').bind('submit', function() {
 869                 SN.U.StatusNetInstance.Set({Nickname: $('#form_login #nickname').val()});
 870                 return true;
 871             });
 872         }
 873     }
 874 };
 875
 876 $(document).ready(function(){
 877     if ($('.'+SN.C.S.FormNotice).length > 0) {
 878         SN.Init.NoticeForm();
 879     }
 880     if ($('#content .notices').length > 0) {
 881         SN.Init.Notices();
 882     }
 883     if ($('#content .entity_actions').length > 0) {
 884         SN.Init.EntityActions();
 885     }
 886     if ($('#form_login').length > 0) {
 887         SN.Init.Login();
 888     }
 889 });
 890
 891 // Formerly in xbImportNode.js
 892
 893 /* is this stuff defined? */
 894 if (!document.ELEMENT_NODE) {
 895         document.ELEMENT_NODE = 1;
 896         document.ATTRIBUTE_NODE = 2;
 897         document.TEXT_NODE = 3;
 898         document.CDATA_SECTION_NODE = 4;
 899         document.ENTITY_REFERENCE_NODE = 5;
 900         document.ENTITY_NODE = 6;
 901         document.PROCESSING_INSTRUCTION_NODE = 7;
 902         document.COMMENT_NODE = 8;
 903         document.DOCUMENT_NODE = 9;
 904         document.DOCUMENT_TYPE_NODE = 10;
 905         document.DOCUMENT_FRAGMENT_NODE = 11;
 906         document.NOTATION_NODE = 12;
 907 }
 908
 909 document._importNode = function(node, allChildren) {
 910         /* find the node type to import */
 911         switch (node.nodeType) {
 912                 case document.ELEMENT_NODE:
 913                         /* create a new element */
 914                         var newNode = document.createElement(node.nodeName);
 915                         /* does the node have any attributes to add? */
 916                         if (node.attributes && node.attributes.length > 0)
 917                                 /* add all of the attributes */
 918                                 for (var i = 0, il = node.attributes.length; i < il;) {
 919                                         if (node.attributes[i].nodeName == 'class') {
 920                                                 newNode.className = node.getAttribute(node.attributes[i++].nodeName);
 921                                         } else {
 922                                                 newNode.setAttribute(node.attributes[i].nodeName, node.getAttribute(node.attributes[i++].nodeName));
 923                                         }
 924                                 }
 925                         /* are we going after children too, and does the node have any? */
 926                         if (allChildren && node.childNodes && node.childNodes.length > 0)
 927                                 /* recursively get all of the child nodes */
 928                                 for (var i = 0, il = node.childNodes.length; i < il;)
 929                                         newNode.appendChild(document._importNode(node.childNodes[i++], allChildren));
 930                         return newNode;
 931                         break;
 932                 case document.TEXT_NODE:
 933                 case document.CDATA_SECTION_NODE:
 934                 case document.COMMENT_NODE:
 935                         return document.createTextNode(node.nodeValue);
 936                         break;
 937         }
 938 };
 939
 940 // A shim to implement the W3C Geolocation API Specification using Gears or the Ajax API
 941 if (typeof navigator.geolocation == "undefined" || navigator.geolocation.shim ) { (function(){
 942
 943 // -- BEGIN GEARS_INIT
 944 (function() {
 945   // We are already defined. Hooray!
 946   if (window.google && google.gears) {
 947     return;
 948   }
 949
 950   var factory = null;
 951
 952   // Firefox
 953   if (typeof GearsFactory != 'undefined') {
 954     factory = new GearsFactory();
 955   } else {
 956     // IE
 957     try {
 958       factory = new ActiveXObject('Gears.Factory');
 959       // privateSetGlobalObject is only required and supported on WinCE.
 960       if (factory.getBuildInfo().indexOf('ie_mobile') != -1) {
 961         factory.privateSetGlobalObject(this);
 962       }
 963     } catch (e) {
 964       // Safari
 965       if ((typeof navigator.mimeTypes != 'undefined') && navigator.mimeTypes["application/x-googlegears"]) {
 966         factory = document.createElement("object");
 967         factory.style.display = "none";
 968         factory.width = 0;
 969         factory.height = 0;
 970         factory.type = "application/x-googlegears";
 971         document.documentElement.appendChild(factory);
 972       }
 973     }
 974   }
 975
 976   // *Do not* define any objects if Gears is not installed. This mimics the
 977   // behavior of Gears defining the objects in the future.
 978   if (!factory) {
 979     return;
 980   }
 981
 982   // Now set up the objects, being careful not to overwrite anything.
 983   //
 984   // Note: In Internet Explorer for Windows Mobile, you can't add properties to
 985   // the window object. However, global objects are automatically added as
 986   // properties of the window object in all browsers.
 987   if (!window.google) {
 988     google = {};
 989   }
 990
 991   if (!google.gears) {
 992     google.gears = {factory: factory};
 993   }
 994 })();
 995 // -- END GEARS_INIT
 996
 997 var GearsGeoLocation = (function() {
 998     // -- PRIVATE
 999     var geo = google.gears.factory.create('beta.geolocation');
1000
1001     var wrapSuccess = function(callback, self) { // wrap it for lastPosition love
1002         return function(position) {
1003             callback(position);
1004             self.lastPosition = position;
1005         };
1006     };
1007
1008     // -- PUBLIC
1009     return {
1010         shim: true,
1011
1012         type: "Gears",
1013
1014         lastPosition: null,
1015
1016         getCurrentPosition: function(successCallback, errorCallback, options) {
1017             var self = this;
1018             var sc = wrapSuccess(successCallback, self);
1019             geo.getCurrentPosition(sc, errorCallback, options);
1020         },
1021
1022         watchPosition: function(successCallback, errorCallback, options) {
1023             geo.watchPosition(successCallback, errorCallback, options);
1024         },
1025
1026         clearWatch: function(watchId) {
1027             geo.clearWatch(watchId);
1028         },
1029
1030         getPermission: function(siteName, imageUrl, extraMessage) {
1031             geo.getPermission(siteName, imageUrl, extraMessage);
1032         }
1033
1034     };
1035 });
1036
1037 var AjaxGeoLocation = (function() {
1038     // -- PRIVATE
1039     var loading = false;
1040     var loadGoogleLoader = function() {
1041         if (!hasGoogleLoader() && !loading) {
1042             loading = true;
1043             var s = document.createElement('script');
1044             s.src = (document.location.protocol == "https:"?"https://":"http://") + 'www.google.com/jsapi?callback=_google_loader_apiLoaded';
1045             s.type = "text/javascript";
1046             document.getElementsByTagName('body')[0].appendChild(s);
1047         }
1048     };
1049
1050     var queue = [];
1051     var addLocationQueue = function(callback) {
1052         queue.push(callback);
1053     };
1054
1055     var runLocationQueue = function() {
1056         if (hasGoogleLoader()) {
1057             while (queue.length > 0) {
1058                 var call = queue.pop();
1059                 call();
1060             }
1061         }
1062     };
1063
1064     window['_google_loader_apiLoaded'] = function() {
1065         runLocationQueue();
1066     };
1067
1068     var hasGoogleLoader = function() {
1069         return (window['google'] && google['loader']);
1070     };
1071
1072     var checkGoogleLoader = function(callback) {
1073         if (hasGoogleLoader()) { return true; }
1074
1075         addLocationQueue(callback);
1076
1077         loadGoogleLoader();
1078
1079         return false;
1080     };
1081
1082     loadGoogleLoader(); // start to load as soon as possible just in case
1083
1084     // -- PUBLIC
1085     return {
1086         shim: true,
1087
1088         type: "ClientLocation",
1089
1090         lastPosition: null,
1091
1092         getCurrentPosition: function(successCallback, errorCallback, options) {
1093             var self = this;
1094             if (!checkGoogleLoader(function() {
1095                 self.getCurrentPosition(successCallback, errorCallback, options);
1096             })) { return; }
1097
1098             if (google.loader.ClientLocation) {
1099                 var cl = google.loader.ClientLocation;
1100
1101                 var position = {
1102                     coords: {
1103                         latitude: cl.latitude,
1104                         longitude: cl.longitude,
1105                         altitude: null,
1106                         accuracy: 43000, // same as Gears accuracy over wifi?
1107                         altitudeAccuracy: null,
1108                         heading: null,
1109                         speed: null
1110                     },
1111                     // extra info that is outside of the bounds of the core API
1112                     address: {
1113                         city: cl.address.city,
1114                         country: cl.address.country,
1115                         country_code: cl.address.country_code,
1116                         region: cl.address.region
1117                     },
1118                     timestamp: new Date()
1119                 };
1120
1121                 successCallback(position);
1122
1123                 this.lastPosition = position;
1124             } else if (errorCallback === "function")  {
1125                 errorCallback({ code: 3, message: "Using the Google ClientLocation API and it is not able to calculate a location."});
1126             }
1127         },
1128
1129         watchPosition: function(successCallback, errorCallback, options) {
1130             this.getCurrentPosition(successCallback, errorCallback, options);
1131
1132             var self = this;
1133             var watchId = setInterval(function() {
1134                 self.getCurrentPosition(successCallback, errorCallback, options);
1135             }, 10000);
1136
1137             return watchId;
1138         },
1139
1140         clearWatch: function(watchId) {
1141             clearInterval(watchId);
1142         },
1143
1144         getPermission: function(siteName, imageUrl, extraMessage) {
1145             // for now just say yes :)
1146             return true;
1147         }
1148
1149     };
1150 });
1151
1152 // If you have Gears installed use that, else use Ajax ClientLocation
1153 navigator.geolocation = (window.google && google.gears) ? GearsGeoLocation() : AjaxGeoLocation();
1154
1155 })();
1156 }