* @copyright 2009 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
var SN = { // StatusNet
C: { // Config
I: { // Init
CounterBlackout: false,
MaxLength: 140,
PatternUsername: /^[0-9a-zA-Z\-_.]*$/,
HTTP20x30x: [200, 201, 202, 203, 204, 205, 206, 300, 301, 302, 303, 304, 305, 306, 307]
},
S: { // Selector
Disabled: 'disabled',
Warning: 'warning',
Error: 'error',
Success: 'success',
Processing: 'processing',
CommandResult: 'command_result',
FormNotice: 'form_notice',
NoticeDataText: 'notice_data-text',
NoticeTextCount: 'notice_text-count',
NoticeInReplyTo: 'notice_in-reply-to',
NoticeDataAttach: 'notice_data-attach',
NoticeDataAttachSelected: 'notice_data-attach_selected',
NoticeActionSubmit: 'notice_action-submit',
NoticeLat: 'notice_data-lat',
NoticeLon: 'notice_data-lon',
NoticeLocationId: 'notice_data-location_id',
NoticeLocationNs: 'notice_data-location_ns',
NoticeGeoName: 'notice_data-geo_name',
NoticeDataGeo: 'notice_data-geo',
NoticeDataGeoCookie: 'NoticeDataGeo',
NoticeDataGeoSelected: 'notice_data-geo_selected',
StatusNetInstance:'StatusNetInstance'
},
},
messages: {},
msg: function(key) {
if (typeof SN.messages[key] == "undefined") {
return '[' + key + ']';
} else {
return SN.messages[key];
}
},
U: { // Utils
FormNoticeEnhancements: function(form) {
if (jQuery.data(form[0], 'ElementData') === undefined) {
MaxLength = form.find('#'+SN.C.S.NoticeTextCount).text();
if (typeof(MaxLength) == 'undefined') {
MaxLength = SN.C.I.MaxLength;
}
jQuery.data(form[0], 'ElementData', {MaxLength:MaxLength});
SN.U.Counter(form);
NDT = form.find('#'+SN.C.S.NoticeDataText);
NDT.bind('keyup', function(e) {
SN.U.Counter(form);
});
NDT.bind('keydown', function(e) {
SN.U.SubmitOnReturn(e, form);
});
}
else {
form.find('#'+SN.C.S.NoticeTextCount).text(jQuery.data(form[0], 'ElementData').MaxLength);
}
if ($('body')[0].id != 'conversation' && window.location.hash.length === 0 && $(window).scrollTop() == 0) {
form.find('textarea').focus();
}
},
SubmitOnReturn: function(event, el) {
if (event.keyCode == 13 || event.keyCode == 10) {
el.submit();
event.preventDefault();
event.stopPropagation();
$('#'+el[0].id+' #'+SN.C.S.NoticeDataText).blur();
$('body').focus();
return false;
}
return true;
},
Counter: function(form) {
SN.C.I.FormNoticeCurrent = form;
var MaxLength = jQuery.data(form[0], 'ElementData').MaxLength;
if (MaxLength <= 0) {
return;
}
var remaining = MaxLength - SN.U.CharacterCount(form);
var counter = form.find('#'+SN.C.S.NoticeTextCount);
if (remaining.toString() != counter.text()) {
if (!SN.C.I.CounterBlackout || remaining === 0) {
if (counter.text() != String(remaining)) {
counter.text(remaining);
}
if (remaining < 0) {
form.addClass(SN.C.S.Warning);
} else {
form.removeClass(SN.C.S.Warning);
}
// Skip updates for the next 500ms.
// On slower hardware, updating on every keypress is unpleasant.
if (!SN.C.I.CounterBlackout) {
SN.C.I.CounterBlackout = true;
SN.C.I.FormNoticeCurrent = form;
window.setTimeout("SN.U.ClearCounterBlackout(SN.C.I.FormNoticeCurrent);", 500);
}
}
}
},
CharacterCount: function(form) {
return form.find('#'+SN.C.S.NoticeDataText).val().length;
},
ClearCounterBlackout: function(form) {
// Allow keyup events to poke the counter again
SN.C.I.CounterBlackout = false;
// Check if the string changed since we last looked
SN.U.Counter(form);
},
FormXHR: function(form) {
$.ajax({
type: 'POST',
dataType: 'xml',
url: form.attr('action'),
data: form.serialize() + '&ajax=1',
beforeSend: function(xhr) {
form
.addClass(SN.C.S.Processing)
.find('.submit')
.addClass(SN.C.S.Disabled)
.attr(SN.C.S.Disabled, SN.C.S.Disabled);
},
error: function (xhr, textStatus, errorThrown) {
alert(errorThrown || textStatus);
},
success: function(data, textStatus) {
if (typeof($('form', data)[0]) != 'undefined') {
form_new = document._importNode($('form', data)[0], true);
form.replaceWith(form_new);
}
else {
form.replaceWith(document._importNode($('p', data)[0], true));
}
}
});
},
FormNoticeXHR: function(form) {
SN.C.I.NoticeDataGeo = {};
form.append('Sorry! We had trouble sending your notice. The servers are overloaded. Please try again, and contact the site administrator if this problem persists.
');
}
else {
if ($('.'+SN.C.S.Error, xhr.responseXML).length > 0) {
form.append(document._importNode($('.'+SN.C.S.Error, xhr.responseXML)[0], true));
}
else {
if (parseInt(xhr.status) === 0 || jQuery.inArray(parseInt(xhr.status), SN.C.I.HTTP20x30x) >= 0) {
form
.resetForm()
.find('#'+SN.C.S.NoticeDataAttachSelected).remove();
SN.U.FormNoticeEnhancements(form);
}
else {
form.append('(Sorry! We had trouble sending your notice ('+xhr.status+' '+xhr.statusText+'). Please report the problem to the site administrator if this happens again.
');
}
}
}
},
success: function(data, textStatus) {
form.find('.form_response').remove();
var result;
if ($('#'+SN.C.S.Error, data).length > 0) {
result = document._importNode($('p', data)[0], true);
result = result.textContent || result.innerHTML;
form.append(''+result+'
');
}
else {
if($('body')[0].id == 'bookmarklet') {
self.close();
}
if ($('#'+SN.C.S.CommandResult, data).length > 0) {
result = document._importNode($('p', data)[0], true);
result = result.textContent || result.innerHTML;
form.append(''+result+'
');
}
else {
// New notice post was successful. If on our timeline, show it!
var notice = document._importNode($('li', data)[0], true);
var notices = $('#notices_primary .notices');
if (notices.length > 0 && SN.U.belongsOnTimeline(notice)) {
if ($('#'+notice.id).length === 0) {
var notice_irt_value = $('#'+SN.C.S.NoticeInReplyTo).val();
var notice_irt = '#notices_primary #notice-'+notice_irt_value;
if($('body')[0].id == 'conversation') {
if(notice_irt_value.length > 0 && $(notice_irt+' .notices').length < 1) {
$(notice_irt).append('');
}
$($(notice_irt+' .notices')[0]).append(notice);
}
else {
notices.prepend(notice);
}
$('#'+notice.id)
.css({display:'none'})
.fadeIn(2500);
SN.U.NoticeWithAttachment($('#'+notice.id));
SN.U.NoticeReplyTo($('#'+notice.id));
}
}
else {
// Not on a timeline that this belongs on?
// Just show a success message.
result = document._importNode($('title', data)[0], true);
result_title = result.textContent || result.innerHTML;
form.append(''+result_title+'
');
}
}
form.resetForm();
form.find('#'+SN.C.S.NoticeInReplyTo).val('');
form.find('#'+SN.C.S.NoticeDataAttachSelected).remove();
SN.U.FormNoticeEnhancements(form);
}
},
complete: function(xhr, textStatus) {
form
.removeClass(SN.C.S.Processing)
.find('#'+SN.C.S.NoticeActionSubmit)
.removeAttr(SN.C.S.Disabled)
.removeClass(SN.C.S.Disabled);
$('#'+SN.C.S.NoticeLat).val(SN.C.I.NoticeDataGeo.NLat);
$('#'+SN.C.S.NoticeLon).val(SN.C.I.NoticeDataGeo.NLon);
if ($('#'+SN.C.S.NoticeLocationNs)) {
$('#'+SN.C.S.NoticeLocationNs).val(SN.C.I.NoticeDataGeo.NLNS);
$('#'+SN.C.S.NoticeLocationId).val(SN.C.I.NoticeDataGeo.NLID);
}
$('#'+SN.C.S.NoticeDataGeo).attr('checked', SN.C.I.NoticeDataGeo.NDG);
}
});
},
NoticeReply: function() {
if ($('#'+SN.C.S.NoticeDataText).length > 0 && $('#content .notice_reply').length > 0) {
$('#content .notice').each(function() { SN.U.NoticeReplyTo($(this)); });
}
},
NoticeReplyTo: function(notice) {
notice.find('.notice_reply').live('click', function() {
var nickname = ($('.author .nickname', notice).length > 0) ? $($('.author .nickname', notice)[0]) : $('.author .nickname.uid');
SN.U.NoticeReplySet(nickname.text(), $($('.notice_id', notice)[0]).text());
return false;
});
},
NoticeReplySet: function(nick,id) {
if (nick.match(SN.C.I.PatternUsername)) {
var text = $('#'+SN.C.S.NoticeDataText);
if (text.length > 0) {
replyto = '@' + nick + ' ';
text.val(replyto + text.val().replace(RegExp(replyto, 'i'), ''));
$('#'+SN.C.S.FormNotice+' #'+SN.C.S.NoticeInReplyTo).val(id);
text[0].focus();
if (text[0].setSelectionRange) {
var len = text.val().length;
text[0].setSelectionRange(len,len);
}
}
}
},
NoticeFavor: function() {
$('.form_favor').live('click', function() { SN.U.FormXHR($(this)); return false; });
$('.form_disfavor').live('click', function() { SN.U.FormXHR($(this)); return false; });
},
NoticeRepeat: function() {
$('.form_repeat').live('click', function(e) {
e.preventDefault();
SN.U.NoticeRepeatConfirmation($(this));
return false;
});
},
NoticeRepeatConfirmation: function(form) {
var submit_i = form.find('.submit');
var submit = submit_i.clone();
submit
.addClass('submit_dialogbox')
.removeClass('submit');
form.append(submit);
submit.bind('click', function() { SN.U.FormXHR(form); return false; });
submit_i.hide();
form
.addClass('dialogbox')
.append('× ')
.closest('.notice-options')
.addClass('opaque');
form.find('button.close').click(function(){
$(this).remove();
form
.removeClass('dialogbox')
.closest('.notice-options')
.removeClass('opaque');
form.find('.submit_dialogbox').remove();
form.find('.submit').show();
return false;
});
},
NoticeAttachments: function() {
$('.notice a.attachment').each(function() {
SN.U.NoticeWithAttachment($(this).closest('.notice'));
});
},
NoticeWithAttachment: function(notice) {
if (notice.find('.attachment').length === 0) {
return;
}
var attachment_more = notice.find('.attachment.more');
if (attachment_more.length > 0) {
$(attachment_more[0]).click(function() {
var m = $(this);
m.addClass(SN.C.S.Processing);
$.get(m.attr('href')+'/ajax', null, function(data) {
m.parent('.entry-content').html($(data).find('#attachment_view .entry-content').html());
});
return false;
}).attr('title', SN.msg('showmore_tooltip'));
}
else {
//imgLoading : $('address .url')[0].href+'theme/base/images/illustrations/illu_progress_loading-01.gif',
notice.find('a.attachment').each(function() {
/*
var attachId = ($(this).attr('id').substring('attachment'.length + 1));
if (attachId) {
var thumbUrl = $('address .url')[0].href+'attachment/' + attachId + '/thumb';
var thumb = $('Thumb:
'+$(this).val()+' ×
';
NDAS = $('#'+SN.C.S.NoticeDataAttachSelected);
if (NDAS.length > 0) {
NDAS.replaceWith(S);
}
else {
$('#'+SN.C.S.FormNotice).append(S);
}
$('#'+SN.C.S.NoticeDataAttachSelected+' button').click(function(){
$('#'+SN.C.S.NoticeDataAttachSelected).remove();
NDA.val('');
return false;
});
});
},
NoticeLocationAttach: function() {
var NLat = $('#'+SN.C.S.NoticeLat).val();
var NLon = $('#'+SN.C.S.NoticeLon).val();
var NLNS = $('#'+SN.C.S.NoticeLocationNs).val();
var NLID = $('#'+SN.C.S.NoticeLocationId).val();
var NLN = $('#'+SN.C.S.NoticeGeoName).text();
var NDGe = $('#'+SN.C.S.NoticeDataGeo);
function removeNoticeDataGeo() {
$('label[for='+SN.C.S.NoticeDataGeo+']')
.attr('title', jQuery.trim($('label[for='+SN.C.S.NoticeDataGeo+']').text()))
.removeClass('checked');
$('#'+SN.C.S.NoticeLat).val('');
$('#'+SN.C.S.NoticeLon).val('');
$('#'+SN.C.S.NoticeLocationNs).val('');
$('#'+SN.C.S.NoticeLocationId).val('');
$('#'+SN.C.S.NoticeDataGeo).attr('checked', false);
$.cookie(SN.C.S.NoticeDataGeoCookie, 'disabled', { path: '/' });
}
function getJSONgeocodeURL(geocodeURL, data) {
$.getJSON(geocodeURL, data, function(location) {
var lns, lid;
if (typeof(location.location_ns) != 'undefined') {
$('#'+SN.C.S.NoticeLocationNs).val(location.location_ns);
lns = location.location_ns;
}
if (typeof(location.location_id) != 'undefined') {
$('#'+SN.C.S.NoticeLocationId).val(location.location_id);
lid = location.location_id;
}
if (typeof(location.name) == 'undefined') {
NLN_text = data.lat + ';' + data.lon;
}
else {
NLN_text = location.name;
}
$('label[for='+SN.C.S.NoticeDataGeo+']')
.attr('title', NoticeDataGeo_text.ShareDisable + ' (' + NLN_text + ')');
$('#'+SN.C.S.NoticeLat).val(data.lat);
$('#'+SN.C.S.NoticeLon).val(data.lon);
$('#'+SN.C.S.NoticeLocationNs).val(lns);
$('#'+SN.C.S.NoticeLocationId).val(lid);
$('#'+SN.C.S.NoticeDataGeo).attr('checked', true);
var cookieValue = {
NLat: data.lat,
NLon: data.lon,
NLNS: lns,
NLID: lid,
NLN: NLN_text,
NLNU: location.url,
NDG: true
};
$.cookie(SN.C.S.NoticeDataGeoCookie, JSON.stringify(cookieValue), { path: '/' });
});
}
if (NDGe.length > 0) {
if ($.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
NDGe.attr('checked', false);
}
else {
NDGe.attr('checked', true);
}
var NGW = $('#notice_data-geo_wrap');
var geocodeURL = NGW.attr('title');
NGW.removeAttr('title');
$('label[for='+SN.C.S.NoticeDataGeo+']')
.attr('title', jQuery.trim($('label[for='+SN.C.S.NoticeDataGeo+']').text()));
NDGe.change(function() {
if ($('#'+SN.C.S.NoticeDataGeo).attr('checked') === true || $.cookie(SN.C.S.NoticeDataGeoCookie) === null) {
$('label[for='+SN.C.S.NoticeDataGeo+']')
.attr('title', NoticeDataGeo_text.ShareDisable)
.addClass('checked');
if ($.cookie(SN.C.S.NoticeDataGeoCookie) === null || $.cookie(SN.C.S.NoticeDataGeoCookie) == 'disabled') {
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(
function(position) {
$('#'+SN.C.S.NoticeLat).val(position.coords.latitude);
$('#'+SN.C.S.NoticeLon).val(position.coords.longitude);
var data = {
lat: position.coords.latitude,
lon: position.coords.longitude,
token: $('#token').val()
};
getJSONgeocodeURL(geocodeURL, data);
},
function(error) {
switch(error.code) {
case error.PERMISSION_DENIED:
removeNoticeDataGeo();
break;
case error.TIMEOUT:
$('#'+SN.C.S.NoticeDataGeo).attr('checked', false);
break;
}
},
{
timeout: 10000
}
);
}
else {
if (NLat.length > 0 && NLon.length > 0) {
var data = {
lat: NLat,
lon: NLon,
token: $('#token').val()
};
getJSONgeocodeURL(geocodeURL, data);
}
else {
removeNoticeDataGeo();
$('#'+SN.C.S.NoticeDataGeo).remove();
$('label[for='+SN.C.S.NoticeDataGeo+']').remove();
}
}
}
else {
var cookieValue = JSON.parse($.cookie(SN.C.S.NoticeDataGeoCookie));
$('#'+SN.C.S.NoticeLat).val(cookieValue.NLat);
$('#'+SN.C.S.NoticeLon).val(cookieValue.NLon);
$('#'+SN.C.S.NoticeLocationNs).val(cookieValue.NLNS);
$('#'+SN.C.S.NoticeLocationId).val(cookieValue.NLID);
$('#'+SN.C.S.NoticeDataGeo).attr('checked', cookieValue.NDG);
$('label[for='+SN.C.S.NoticeDataGeo+']')
.attr('title', NoticeDataGeo_text.ShareDisable + ' (' + cookieValue.NLN + ')')
.addClass('checked');
}
}
else {
removeNoticeDataGeo();
}
}).change();
}
},
NewDirectMessage: function() {
NDM = $('.entity_send-a-message a');
NDM.attr({'href':NDM.attr('href')+'&ajax=1'});
NDM.bind('click', function() {
var NDMF = $('.entity_send-a-message form');
if (NDMF.length === 0) {
$(this).addClass(SN.C.S.Processing);
$.get(NDM.attr('href'), null, function(data) {
$('.entity_send-a-message').append(document._importNode($('form', data)[0], true));
NDMF = $('.entity_send-a-message .form_notice');
SN.U.FormNoticeXHR(NDMF);
SN.U.FormNoticeEnhancements(NDMF);
NDMF.append('× ');
$('.entity_send-a-message button').click(function(){
NDMF.hide();
return false;
});
NDM.removeClass(SN.C.S.Processing);
});
}
else {
NDMF.show();
$('.entity_send-a-message textarea').focus();
}
return false;
});
},
GetFullYear: function(year, month, day) {
var date = new Date();
date.setFullYear(year, month, day);
return date;
},
StatusNetInstance: {
Set: function(value) {
var SNI = SN.U.StatusNetInstance.Get();
if (SNI !== null) {
value = $.extend(SNI, value);
}
$.cookie(
SN.C.S.StatusNetInstance,
JSON.stringify(value),
{
path: '/',
expires: SN.U.GetFullYear(2029, 0, 1)
});
},
Get: function() {
var cookieValue = $.cookie(SN.C.S.StatusNetInstance);
if (cookieValue !== null) {
return JSON.parse(cookieValue);
}
return null;
},
Delete: function() {
$.cookie(SN.C.S.StatusNetInstance, null);
}
},
/**
* Check if the current page is a timeline where the current user's
* posts should be displayed immediately on success.
*
* @fixme this should be done in a saner way, with machine-readable
* info about what page we're looking at.
*/
belongsOnTimeline: function(notice) {
var action = $("body").attr('id');
if (action == 'public') {
return true;
}
var profileLink = $('#nav_profile a').attr('href');
if (profileLink) {
var authorUrl = $(notice).find('.entry-title .author a.url').attr('href');
if (authorUrl == profileLink) {
if (action == 'all' || action == 'showstream') {
// Posts always show on your own friends and profile streams.
return true;
}
}
}
// @fixme tag, group, reply timelines should be feasible as well.
// Mismatch between id-based and name-based user/group links currently complicates
// the lookup, since all our inline mentions contain the absolute links but the
// UI links currently on the page use malleable names.
return false;
}
},
Init: {
NoticeForm: function() {
if ($('body.user_in').length > 0) {
SN.U.NoticeLocationAttach();
$('.'+SN.C.S.FormNotice).each(function() {
SN.U.FormNoticeXHR($(this));
SN.U.FormNoticeEnhancements($(this));
});
SN.U.NoticeDataAttach();
}
},
Notices: function() {
if ($('body.user_in').length > 0) {
SN.U.NoticeFavor();
SN.U.NoticeRepeat();
SN.U.NoticeReply();
}
SN.U.NoticeAttachments();
},
EntityActions: function() {
if ($('body.user_in').length > 0) {
$('.form_user_subscribe').live('click', function() { SN.U.FormXHR($(this)); return false; });
$('.form_user_unsubscribe').live('click', function() { SN.U.FormXHR($(this)); return false; });
$('.form_group_join').live('click', function() { SN.U.FormXHR($(this)); return false; });
$('.form_group_leave').live('click', function() { SN.U.FormXHR($(this)); return false; });
$('.form_user_nudge').live('click', function() { SN.U.FormXHR($(this)); return false; });
SN.U.NewDirectMessage();
}
},
Login: function() {
if (SN.U.StatusNetInstance.Get() !== null) {
var nickname = SN.U.StatusNetInstance.Get().Nickname;
if (nickname !== null) {
$('#form_login #nickname').val(nickname);
}
}
$('#form_login').bind('submit', function() {
SN.U.StatusNetInstance.Set({Nickname: $('#form_login #nickname').val()});
return true;
});
}
}
};
$(document).ready(function(){
if ($('.'+SN.C.S.FormNotice).length > 0) {
SN.Init.NoticeForm();
}
if ($('#content .notices').length > 0) {
SN.Init.Notices();
}
if ($('#content .entity_actions').length > 0) {
SN.Init.EntityActions();
}
if ($('#form_login').length > 0) {
SN.Init.Login();
}
});
// Formerly in xbImportNode.js
/* is this stuff defined? */
if (!document.ELEMENT_NODE) {
document.ELEMENT_NODE = 1;
document.ATTRIBUTE_NODE = 2;
document.TEXT_NODE = 3;
document.CDATA_SECTION_NODE = 4;
document.ENTITY_REFERENCE_NODE = 5;
document.ENTITY_NODE = 6;
document.PROCESSING_INSTRUCTION_NODE = 7;
document.COMMENT_NODE = 8;
document.DOCUMENT_NODE = 9;
document.DOCUMENT_TYPE_NODE = 10;
document.DOCUMENT_FRAGMENT_NODE = 11;
document.NOTATION_NODE = 12;
}
document._importNode = function(node, allChildren) {
/* find the node type to import */
switch (node.nodeType) {
case document.ELEMENT_NODE:
/* create a new element */
var newNode = document.createElement(node.nodeName);
/* does the node have any attributes to add? */
if (node.attributes && node.attributes.length > 0)
/* add all of the attributes */
for (var i = 0, il = node.attributes.length; i < il;) {
if (node.attributes[i].nodeName == 'class') {
newNode.className = node.getAttribute(node.attributes[i++].nodeName);
} else {
newNode.setAttribute(node.attributes[i].nodeName, node.getAttribute(node.attributes[i++].nodeName));
}
}
/* are we going after children too, and does the node have any? */
if (allChildren && node.childNodes && node.childNodes.length > 0)
/* recursively get all of the child nodes */
for (var i = 0, il = node.childNodes.length; i < il;)
newNode.appendChild(document._importNode(node.childNodes[i++], allChildren));
return newNode;
break;
case document.TEXT_NODE:
case document.CDATA_SECTION_NODE:
case document.COMMENT_NODE:
return document.createTextNode(node.nodeValue);
break;
}
};
// A shim to implement the W3C Geolocation API Specification using Gears or the Ajax API
if (typeof navigator.geolocation == "undefined" || navigator.geolocation.shim ) { (function(){
// -- BEGIN GEARS_INIT
(function() {
// We are already defined. Hooray!
if (window.google && google.gears) {
return;
}
var factory = null;
// Firefox
if (typeof GearsFactory != 'undefined') {
factory = new GearsFactory();
} else {
// IE
try {
factory = new ActiveXObject('Gears.Factory');
// privateSetGlobalObject is only required and supported on WinCE.
if (factory.getBuildInfo().indexOf('ie_mobile') != -1) {
factory.privateSetGlobalObject(this);
}
} catch (e) {
// Safari
if ((typeof navigator.mimeTypes != 'undefined') && navigator.mimeTypes["application/x-googlegears"]) {
factory = document.createElement("object");
factory.style.display = "none";
factory.width = 0;
factory.height = 0;
factory.type = "application/x-googlegears";
document.documentElement.appendChild(factory);
}
}
}
// *Do not* define any objects if Gears is not installed. This mimics the
// behavior of Gears defining the objects in the future.
if (!factory) {
return;
}
// Now set up the objects, being careful not to overwrite anything.
//
// Note: In Internet Explorer for Windows Mobile, you can't add properties to
// the window object. However, global objects are automatically added as
// properties of the window object in all browsers.
if (!window.google) {
google = {};
}
if (!google.gears) {
google.gears = {factory: factory};
}
})();
// -- END GEARS_INIT
var GearsGeoLocation = (function() {
// -- PRIVATE
var geo = google.gears.factory.create('beta.geolocation');
var wrapSuccess = function(callback, self) { // wrap it for lastPosition love
return function(position) {
callback(position);
self.lastPosition = position;
};
};
// -- PUBLIC
return {
shim: true,
type: "Gears",
lastPosition: null,
getCurrentPosition: function(successCallback, errorCallback, options) {
var self = this;
var sc = wrapSuccess(successCallback, self);
geo.getCurrentPosition(sc, errorCallback, options);
},
watchPosition: function(successCallback, errorCallback, options) {
geo.watchPosition(successCallback, errorCallback, options);
},
clearWatch: function(watchId) {
geo.clearWatch(watchId);
},
getPermission: function(siteName, imageUrl, extraMessage) {
geo.getPermission(siteName, imageUrl, extraMessage);
}
};
});
var AjaxGeoLocation = (function() {
// -- PRIVATE
var loading = false;
var loadGoogleLoader = function() {
if (!hasGoogleLoader() && !loading) {
loading = true;
var s = document.createElement('script');
s.src = (document.location.protocol == "https:"?"https://":"http://") + 'www.google.com/jsapi?callback=_google_loader_apiLoaded';
s.type = "text/javascript";
document.getElementsByTagName('body')[0].appendChild(s);
}
};
var queue = [];
var addLocationQueue = function(callback) {
queue.push(callback);
};
var runLocationQueue = function() {
if (hasGoogleLoader()) {
while (queue.length > 0) {
var call = queue.pop();
call();
}
}
};
window['_google_loader_apiLoaded'] = function() {
runLocationQueue();
};
var hasGoogleLoader = function() {
return (window['google'] && google['loader']);
};
var checkGoogleLoader = function(callback) {
if (hasGoogleLoader()) { return true; }
addLocationQueue(callback);
loadGoogleLoader();
return false;
};
loadGoogleLoader(); // start to load as soon as possible just in case
// -- PUBLIC
return {
shim: true,
type: "ClientLocation",
lastPosition: null,
getCurrentPosition: function(successCallback, errorCallback, options) {
var self = this;
if (!checkGoogleLoader(function() {
self.getCurrentPosition(successCallback, errorCallback, options);
})) { return; }
if (google.loader.ClientLocation) {
var cl = google.loader.ClientLocation;
var position = {
coords: {
latitude: cl.latitude,
longitude: cl.longitude,
altitude: null,
accuracy: 43000, // same as Gears accuracy over wifi?
altitudeAccuracy: null,
heading: null,
speed: null
},
// extra info that is outside of the bounds of the core API
address: {
city: cl.address.city,
country: cl.address.country,
country_code: cl.address.country_code,
region: cl.address.region
},
timestamp: new Date()
};
successCallback(position);
this.lastPosition = position;
} else if (errorCallback === "function") {
errorCallback({ code: 3, message: "Using the Google ClientLocation API and it is not able to calculate a location."});
}
},
watchPosition: function(successCallback, errorCallback, options) {
this.getCurrentPosition(successCallback, errorCallback, options);
var self = this;
var watchId = setInterval(function() {
self.getCurrentPosition(successCallback, errorCallback, options);
}, 10000);
return watchId;
},
clearWatch: function(watchId) {
clearInterval(watchId);
},
getPermission: function(siteName, imageUrl, extraMessage) {
// for now just say yes :)
return true;
}
};
});
// If you have Gears installed use that, else use Ajax ClientLocation
navigator.geolocation = (window.google && google.gears) ? GearsGeoLocation() : AjaxGeoLocation();
})();
}