Qvitter/js/misc-functions.js

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2013-08-19 22:30:57 +09:00
/* · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
· ·
· ·
· Q V I T T E R ·
· ·
· http://github.com/hannesmannerheim/qvitter ·
· ·
· ·
· <o) ·
· /_//// ·
· (____/ ·
· (o< ·
· o> \\\\_\ ·
· \\) \____) ·
· ·
· ·
· ·
· Qvitter is free software: you can redistribute it and / or modify it ·
· under the terms of the GNU Affero General Public License as published by ·
· the Free Software Foundation, either version three of the License or (at ·
· your option) any later version. ·
· ·
· Qvitter is distributed in hope that it will be useful but WITHOUT ANY ·
· WARRANTY; without even the implied warranty of MERCHANTABILTY or FITNESS ·
· FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for ·
· more details. ·
· ·
· You should have received a copy of the GNU Affero General Public License ·
· along with Qvitter. If not, see <http://www.gnu.org/licenses/>. ·
· ·
· Contact h@nnesmannerhe.im if you have any questions. ·
· ·
· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · */
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/* ·
·
· Store in localStorage object cache
·
· @param name: the name of this type of object
· @param unique_id: some unique_id the key in localStorage will be name-unique_id
· @param object: the object to store
·
· · · · · · · · · */
function localStorageObjectCache_STORE(name, unique_id, object) {
if(localStorageIsEnabled()) {
if(object.length < 1) {
// an empty object means we remove this entry
if(typeof localStorage[name + '-' + unique_id] != 'undefined' && localStorage[name + '-' + unique_id] !== null) {
delete localStorage[name + '-' + unique_id];
}
}
else {
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var dataToSave = {};
dataToSave.modified = Date.now();
dataToSave.data = object;
try {
localStorage.setItem(name + '-' + unique_id, JSON.stringify(dataToSave));
}
catch (e) {
if (e.name == 'QUOTA_EXCEEDED_ERR' || e.name == 'NS_ERROR_DOM_QUOTA_REACHED' || e.name == 'QuotaExceededError' || e.name == 'W3CException_DOM_QUOTA_EXCEEDED_ERR') {
removeOldestLocalStorageEntries(function(){
localStorageObjectCache_STORE(name, unique_id, object);
});
}
else {
console.log('could not store in localStorage, unknown error');
}
}
}
}
}
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/* ·
·
· Remove the 100 oldest cached items
·
· · · · · · · · · */
function removeOldestLocalStorageEntries(callback) {
// grab the expiry and store the modified-key into an object
var modified = Object.keys(localStorage).reduce(function(collection,key){
var currentModified = JSON.parse(localStorage.getItem(key)).modified;
collection[currentModified] = key;
return collection;
},{});
delete modified['undefined']; // we don't want those
// get the modified dates into an array
var modifiedDates = Object.keys(modified);
modifiedDates.sort();
var i = 0;
$.each(modifiedDates,function(k,v){
delete localStorage[modified[v]];
i++;
if(i>=100) {
return false;
}
});
console.log('removed 100 old localstorage items');
callback();
}
/* ·
·
· Get from localStorage object cache
·
· @param name: the name of this type of object
· @param unique_id: some unique_id the key in localStorage will be name-unique_id
· @param callback: callback function, returns false if not found
·
· · · · · · · · · */
function localStorageObjectCache_GET(name, unique_id, callback) {
if(localStorageIsEnabled()) {
if(typeof localStorage[name + '-' + unique_id] != 'undefined' && localStorage[name + '-' + unique_id] !== null) {
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var parsedObject = JSON.parse(localStorage[name + '-' + unique_id]);
if(typeof parsedObject.modified == 'undefined' || parsedObject.modified === null) {
// invalid or old localstorage object found, check the whole localstorage!
checkLocalStorage();
callback(false);
}
else {
callback(parsedObject.data);
}
}
else {
callback(false);
}
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}
else {
callback(false);
}
}
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function checkLocalStorage() {
if(localStorageIsEnabled() === false) {
console.log('localstorage disabled');
return false;
}
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console.log('checking localStorage for invalid entries');
var dateNow = Date.now()
var corrected = 0;
var deleted = 0;
$.each(localStorage, function(k,entry){
if(typeof entry == 'string') {
// check that entry is valid json
try {
var entryParsed = JSON.parse(entry);
}
catch(e) {
delete localStorage[k];
deleted++;
return true;
}
// check that it is a valid/currently used data type
var validDataTypes = [
'browsingHistory',
'conversation',
'favsAndRequeets',
'languageData',
'fullQueetHtml',
'selectedLanguage'
];
var thisDataType = k.substring(0,k.indexOf('-'));
if($.inArray(thisDataType, validDataTypes) == -1 || k.indexOf('-') == -1) {
delete localStorage[k];
deleted++;
return true;
}
// check that it has a modified entry, if not: add one
if(typeof entryParsed.modified == 'undefined' || entryParsed.modified === null) {
var newEntry = {};
newEntry.modified = dateNow - corrected; // we want as unique dates as possible
newEntry.data = entryParsed;
try {
localStorage.setItem(k, JSON.stringify(newEntry));
}
catch (e) {
if (e.name == 'QUOTA_EXCEEDED_ERR' || e.name == 'NS_ERROR_DOM_QUOTA_REACHED' || e.name == 'QuotaExceededError' || e.name == 'W3CException_DOM_QUOTA_EXCEEDED_ERR') {
removeOldestLocalStorageEntries(function(){
localStorage.setItem(k, JSON.stringify(newEntry));
});
}
}
corrected++;
}
}
});
console.log(corrected + ' entries corrected, ' + deleted + ' entries deleted');
}
/* ·
·
· Display unread notifications
·
· · · · · · · · · */
function displayOrHideUnreadNotifications(notifications) {
var data = $.parseJSON(notifications);
// if this is notifications page, we use the info from the hidden items in the feed
if(window.currentStream == 'qvitter/statuses/notifications.json') {
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var new_queets_num = $('#feed-body').find('.stream-item.notification.hidden').length;
if(new_queets_num == 0) {
document.title = window.siteTitle;
$('#unseen-notifications').hide();
}
else {
document.title = window.siteTitle + ' (' + new_queets_num + ')';
$('#unseen-notifications').html(new_queets_num);
$('#unseen-notifications').show();
}
}
// all other pages use the header info
else if(data === null || typeof data == 'undefined' || data.length == 0) {
$('#unseen-notifications').hide();
document.title = window.siteTitle;
}
else {
var totNotif = 0;
$.each(data,function(k,v){
totNotif = totNotif + parseInt(v,10);
});
if(totNotif>0) {
$('#unseen-notifications').html(totNotif);
document.title = window.siteTitle + ' (' + totNotif + ')'; // update html page title
$('#unseen-notifications').show();
}
else {
$('#unseen-notifications').hide();
document.title = window.siteTitle;
}
}
}
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/* ·
·
· Removes HTML special chars recursively from strings in objects
· with exceptions: "statusnet_html" found in notices, which we assume
· gnusocial already stripped from xss, and the "source" which should be
· html rendered by gnusocial itself and not open for attacks
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·
· @param obj: the object to search and replace in
·
· · · · · · · · · · · · · */
function iterateRecursiveReplaceHtmlSpecialChars(obj) {
for (var property in obj) {
if (obj.hasOwnProperty(property)) {
if (typeof obj[property] == "object") {
iterateRecursiveReplaceHtmlSpecialChars(obj[property]);
}
else {
if(typeof obj[property] == 'string' && property != 'statusnet_html' && property != 'source') {
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obj[property] = replaceHtmlSpecialChars(obj[property]);
}
}
}
}
return obj;
}
function replaceHtmlSpecialChars(text) {
var map = {
'&': '&amp;',
'<': '&lt;',
'>': '&gt;',
'"': '&quot;',
"'": '&#039;'
};
return text.replace(/[&<>"']/g, function(m) { return map[m]; });
}
/* ·
·
· Checks if localstorage is availible
·
· We can't just do if(typeof localStorage.selectedLanguage != 'undefined')
· because firefox with cookies disabled then freaks out and stops executing js completely
·
· · · · · · · · · */
function localStorageIsEnabled() {
var mod = 'test';
try {
localStorage.setItem(mod, mod);
localStorage.removeItem(mod);
return true;
}
catch(e) {
return false;
}
}
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/* ·
·
· Checks if register form is valid
·
· @returns true or false
·
· · · · · · · · · */
function validateRegisterForm(o) {
var nickname = o.find('#signup-user-nickname-step2');
var fullname = o.find('#signup-user-name-step2');
var email = o.find('#signup-user-email-step2');
var homepage = o.find('#signup-user-homepage-step2');
var bio = o.find('#signup-user-bio-step2');
var loc = o.find('#signup-user-location-step2');
var password1 = o.find('#signup-user-password1-step2');
var password2 = o.find('#signup-user-password2-step2');
var passwords = o.find('#signup-user-password1-step2,#signup-user-password2-step2');
var allFieldsValid = true;
if(nickname.val().length>1 && /^[a-zA-Z0-9]+$/.test(nickname.val())) {
nickname.removeClass('invalid'); } else { nickname.addClass('invalid'); if(allFieldsValid)allFieldsValid=false; }
if(fullname.val().length < 255) {
fullname.removeClass('invalid'); } else { fullname.addClass('invalid'); if(allFieldsValid)allFieldsValid=false; }
if(/^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/.test(email.val())) {
email.removeClass('invalid'); } else { email.addClass('invalid'); if(allFieldsValid)allFieldsValid=false; }
if($.trim(homepage.val()).length==0 || /^(ftp|http|https):\/\/[^ "]+$/.test(homepage.val())) {
homepage.removeClass('invalid'); } else { homepage.addClass('invalid'); if(allFieldsValid)allFieldsValid=false; }
if(bio.val().length < 140) {
bio.removeClass('invalid'); } else { bio.addClass('invalid'); if(allFieldsValid)allFieldsValid=false; }
if(loc.val().length < 255) {
loc.removeClass('invalid'); } else { loc.addClass('invalid'); if(allFieldsValid)allFieldsValid=false; }
if(password1.val().length>5 && password2.val().length>5 && password1.val() == password2.val()) {
passwords.removeClass('invalid'); } else { passwords.addClass('invalid'); if(allFieldsValid)allFieldsValid=false; }
return allFieldsValid;
}
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/* ·
·
· Checks if edit profile form is valid
·
· @returns true or false
·
· · · · · · · · · */
function validateEditProfileForm(o) {
var fullname = o.find('input.fullname');
var homepage = o.find('input.url');
var bio = o.find('textarea.bio');
var loc = o.find('input.location');
var allFieldsValid = true;
if(fullname.val().length < 255) {
fullname.removeClass('invalid'); } else { fullname.addClass('invalid'); if(allFieldsValid)allFieldsValid=false; }
if($.trim(homepage.val()).length==0 || /^(ftp|http|https):\/\/[^ "]+$/.test(homepage.val())) {
homepage.removeClass('invalid'); } else { homepage.addClass('invalid'); if(allFieldsValid)allFieldsValid=false; }
if(bio.val().length < 140) {
bio.removeClass('invalid'); } else { bio.addClass('invalid'); if(allFieldsValid)allFieldsValid=false; }
if(loc.val().length < 255) {
loc.removeClass('invalid'); } else { loc.addClass('invalid'); if(allFieldsValid)allFieldsValid=false; }
return allFieldsValid;
}
/* ·
·
· Validate a hex color and add # if missing
·
· @returns hex color with # or false
·
· · · · · · · · · */
function isValidHexColor(maybeValidHexColor) {
if(maybeValidHexColor.substring(0,1) != '#') {
maybeValidHexColor = '#' + maybeValidHexColor;
}
var validHexColor = /(^#[0-9A-F]{6}$)|(^#[0-9A-F]{3}$)/i.test(maybeValidHexColor);
if(validHexColor) {
validHexColor = maybeValidHexColor;
}
return validHexColor;
}
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/* ·
·
· Change profile design
·
· @param obj: user object that should contain one, two or all of backgroundimage, backgroundcolor and linkcolor
· false or empty string unsets the parameter to default
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·
· · · · · · · · · */
function changeDesign(obj) {
// if we're logged out and this is the front page, we use the default design
if(!window.loggedIn && window.currentStream == 'statuses/public_timeline.json') {
obj.backgroundimage = window.fullUrlToThisQvitterApp + window.siteBackground;
obj.backgroundcolor = window.defaultBackgroundColor;
obj.linkcolor = window.defaultLinkColor;
}
// if no object is defined, abort
if(typeof obj == 'undefined') {
return false;
}
// remember the design for this stream
if(typeof window.oldStreamsDesigns[theUserOrGroupThisStreamBelongsTo(window.currentStream)] == 'undefined') {
window.oldStreamsDesigns[theUserOrGroupThisStreamBelongsTo(window.currentStream)] = new Object();
}
// change design elements
if(typeof obj.backgroundimage != 'undefined') {
if(obj.backgroundimage === false || obj.backgroundimage == '') {
$('body').css('background-image','url(\'\')');
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}
else if(obj.backgroundimage.length > 4) {
$('body').css('background-image','url(\'' + obj.backgroundimage + '\')');
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}
window.oldStreamsDesigns[theUserOrGroupThisStreamBelongsTo(window.currentStream)].backgroundimage = obj.backgroundimage;
}
if(typeof obj.backgroundcolor != 'undefined') {
if(obj.backgroundcolor === false || obj.backgroundcolor == '') {
obj.backgroundcolor = window.defaultBackgroundColor;
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}
changeBackgroundColor(obj.backgroundcolor);
window.oldStreamsDesigns[theUserOrGroupThisStreamBelongsTo(window.currentStream)].backgroundcolor = obj.backgroundcolor;
}
if(typeof obj.linkcolor != 'undefined') {
if(obj.linkcolor === false || obj.linkcolor == '') {
obj.linkcolor = window.defaultLinkColor;
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}
changeLinkColor(obj.linkcolor);
window.oldStreamsDesigns[theUserOrGroupThisStreamBelongsTo(window.currentStream)].linkcolor = obj.linkcolor;
}
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}
// create object to remember designs on page load
window.oldStreamsDesigns = new Object();
/* ·
·
· Change background color
·
· @param newLinkColor: hex value with or without #
·
· · · · · · · · · */
function changeBackgroundColor(newBackgroundColor) {
// check hex value
var validHexColor = isValidHexColor(newBackgroundColor);
if(!validHexColor) {
console.log('invalid hex value for backgroundcolor: ' + newBackgroundColor);
return false;
}
$('body').css('background-color',validHexColor);
}
/* ·
·
· Change link color
·
· @param newLinkColor: hex value with or without #
·
· · · · · · · · · */
function changeLinkColor(newLinkColor) {
// check hex value
var validHexColor = isValidHexColor(newLinkColor);
if(!validHexColor) {
console.log('invalid hex value for linkcolor: ' + newLinkColor);
return false;
}
var headStyle = $('head').children('style');
var linkstyle = headStyle.text();
headStyle.text(linkstyle.substring(0,linkstyle.indexOf('color:')+6) + validHexColor + linkstyle.substring(linkstyle.indexOf(';/*COLOREND*/')));
var linkstyle = headStyle.html();
headStyle.text(linkstyle.substring(0,linkstyle.indexOf('background-color:')+17) + validHexColor + linkstyle.substring(linkstyle.indexOf(';/*BACKGROUNDCOLOREND*/')));
var linkstyle = headStyle.html();
headStyle.text(linkstyle.substring(0,linkstyle.indexOf('border-color:')+13) + validHexColor + linkstyle.substring(linkstyle.indexOf(';/*BORDERCOLOREND*/')));
var linkstyle = headStyle.html();
headStyle.text(linkstyle.substring(0,linkstyle.indexOf('background-color:rgb(')+17) + blendRGBColors(hex2rgb(validHexColor),'rgb(255,255,255)',0.8) + linkstyle.substring(linkstyle.indexOf(';/*LIGHTERBACKGROUNDCOLOREND*/')));
var linkstyle = headStyle.html();
headStyle.text(linkstyle.substring(0,linkstyle.indexOf('border-color:rgb(')+13) + blendRGBColors(hex2rgb(validHexColor),'rgb(255,255,255)',0.6) + linkstyle.substring(linkstyle.indexOf(';/*LIGHTERBORDERCOLOREND*/')));
var linkstyle = headStyle.html();
headStyle.text(linkstyle.substring(0,linkstyle.indexOf('border-bottom-color:rgb(')+20) + blendRGBColors(hex2rgb(validHexColor),'rgb(255,255,255)',0.8) + linkstyle.substring(linkstyle.indexOf(';/*LIGHTERBORDERBOTTOMCOLOREND*/')));
}
function blendRGBColors(c0, c1, p) {
var f=c0.split(","),t=c1.split(","),R=parseInt(f[0].slice(4)),G=parseInt(f[1]),B=parseInt(f[2]);
return "rgb("+(Math.round((parseInt(t[0].slice(4))-R)*p)+R)+","+(Math.round((parseInt(t[1])-G)*p)+G)+","+(Math.round((parseInt(t[2])-B)*p)+B)+")";
}
function hex2rgb(hexStr){
// note: hexStr should be #rrggbb
var hex = parseInt(hexStr.substring(1), 16);
var r = (hex & 0xff0000) >> 16;
var g = (hex & 0x00ff00) >> 8;
var b = hex & 0x0000ff;
return 'rgb(' + r + ',' + g + ',' + b + ')';
}
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/* ·
·
· Right-to-left language detection <o
· (//
· @param s: the stream-item to detect rtl in
·
· @return a stream-item that might have rtl-class added
·
· · · · · · · · · */
function detectRTL(s) {
var $streamItem = $('<div>').append(s);
var $queetText = $('<div>').append($streamItem.find('.queet-text').html()); // create an jquery object
var $a = $queetText.find('a'); $a.remove(); // remove links
var $vcard = $queetText.find('.vcard'); $vcard.remove(); // remove users, groups
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var $hcard = $queetText.find('.h-card'); $hcard.remove(); // remove users, groups
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var $tag = $queetText.find('.tag'); $tag.remove(); // remove tags
if($queetText.find('.rtl').length>0) { $queetText.html($queetText.find('.rtl').html()); } // remove rtl container if there is one
// remove chars we're not interested in
$queetText.html($queetText.html().replace(/\@/gi,'').replace(/\#/gi,'').replace(/\!/gi,'').replace(/\(/gi,'').replace(/\)/gi,'').replace(/\:D/gi,'').replace(/D\:/gi,'').replace(/\:/gi,'').replace(/\-/gi,'').replace(/\s/gi, ''));
// count ltr and rtl chars
var ltrChars = 'A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02B8\u0300-\u0590\u0800-\u1FFF'+'\u2C00-\uFB1C\uFDFE-\uFE6F\uFEFD-\uFFFF',
rtlChars = '\u0591-\u07FF\uFB1D-\uFDFD\uFE70-\uFEFC',
rtlDirCheck = new RegExp('^[^'+ltrChars+']*['+rtlChars+']'),
RTLnum = 0,
LTRnum = 0,
RTLorLTR = $queetText.html();
for (var i = 0, len = RTLorLTR.length; i < len; i++) {
if(rtlDirCheck.test(RTLorLTR[i])) { RTLnum++; }
else { LTRnum++; }
}
// if there are more rtl chars than ltr
if(RTLnum > LTRnum) { $streamItem.children('.stream-item').children('.queet').addClass('rtl'); }
// if no chars (that we are interested, but body is set to rtl)
else if ($queetText.html().length==0 && $('body').hasClass('rtl')) {
$streamItem.children('.stream-item').children('.queet').addClass('rtl');
}
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return $streamItem.html().replace(/@<a/gi,'<a').replace(/!<a/gi,'<a').replace(/@<span class="vcard">/gi,'<span class="vcard">').replace(/!<span class="vcard">/gi,'<span class="vcard">').replace(/#<span class="tag">/gi,'<span class="tag">'); // hacky way to get @#! into mention tags to stop bidirection (css sets an @ with before content method)
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}
/* ·
·
· Takes twitter style dates and converts them
·
· @param tdate: date in the form of e.g. 'Mon Aug 05 16:30:22 +0200 2013'
·
· @return user friendly dates ..M_
· W
· Needs global language object window.sL to be populated
·
· · · · · · · · · · · · · */
function parseTwitterDate(tdate) {
var month_names = new Array ();
month_names[month_names.length] = window.sL.shortmonthsJanuary;
month_names[month_names.length] = window.sL.shortmonthsFebruary
month_names[month_names.length] = window.sL.shortmonthsMars
month_names[month_names.length] = window.sL.shortmonthsApril
month_names[month_names.length] = window.sL.shortmonthsMay
month_names[month_names.length] = window.sL.shortmonthsJune
month_names[month_names.length] = window.sL.shortmonthsJuly
month_names[month_names.length] = window.sL.shortmonthsAugust
month_names[month_names.length] = window.sL.shortmonthsSeptember
month_names[month_names.length] = window.sL.shortmonthsOctober
month_names[month_names.length] = window.sL.shortmonthsNovember
month_names[month_names.length] = window.sL.shortmonthsDecember
var system_date = new Date(Date.parse(tdate));
var user_date = new Date();
var diff = Math.floor((user_date - system_date) / 1000);
if (diff <= 10) {return window.sL.now;}
if (diff < 60) {return window.sL.shortDateFormatSeconds.replace('{seconds}',Math.round(diff/10)*10);}
if (diff <= 3540) {return window.sL.shortDateFormatMinutes.replace('{minutes}',Math.round(diff / 60));}
if (diff <= 86400) {return window.sL.shortDateFormatHours.replace('{hours}',Math.round(diff / 3600));}
if (diff <= 31536000) {return window.sL.shortDateFormatDate.replace('{day}',system_date.getDate()).replace('{month}',month_names[system_date.getMonth()]);}
if (diff > 31536000) {return window.sL.shortDateFormatDateAndY.replace('{day}',system_date.getDate()).replace('{month}',month_names[system_date.getMonth()]).replace('{year}',system_date.getFullYear());}
return system_date;
}
function parseTwitterLongDate(tdate) {
var month_names = new Array ();
month_names[month_names.length] = window.sL.longmonthsJanuary;
month_names[month_names.length] = window.sL.longmonthsFebruary
month_names[month_names.length] = window.sL.longmonthsMars
month_names[month_names.length] = window.sL.longmonthsApril
month_names[month_names.length] = window.sL.longmonthsMay
month_names[month_names.length] = window.sL.longmonthsJune
month_names[month_names.length] = window.sL.longmonthsJuly
month_names[month_names.length] = window.sL.longmonthsAugust
month_names[month_names.length] = window.sL.longmonthsSeptember
month_names[month_names.length] = window.sL.longmonthsOctober
month_names[month_names.length] = window.sL.longmonthsNovember
month_names[month_names.length] = window.sL.longmonthsDecember
var system_date = new Date(Date.parse(tdate));
var hours = system_date.getHours();
var minutes = ('0'+system_date.getMinutes()).slice(-2);
var ampm = hours >= 12 ? 'pm' : 'am';
var time24hours = hours + ':' + minutes;
var time12hours = hours % 12;
time12hours = time12hours ? time12hours : 12; // the hour '0' should be '12'
if(ampm == 'am') { time12hours = window.sL.time12am.replace('{time}',time12hours + ':' + minutes);}
else { time12hours = window.sL.time12pm.replace('{time}',time12hours + ':' + minutes); }
return window.sL.longDateFormat.replace('{time24}',time24hours).replace('{hours}',hours).replace('{minutes}',minutes).replace('{time12}',time12hours).replace('{day}',system_date.getDate()).replace('{month}',month_names[system_date.getMonth()]).replace('{year}',system_date.getFullYear());
}
function timestampToTwitterDate(timestamp) {
var a = new Date(timestamp*1000);
var months = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];
var days = ['Sun','Mon','Tue','Wed','Thu','Fri','Sat'];
var day = days[a.getUTCDay()];
var year = a.getUTCFullYear();
var month = months[a.getUTCMonth()];
var date = (a.getUTCDate()<10?'0':'')+a.getUTCDate();
var hour = (a.getUTCHours()<10?'0':'')+a.getUTCHours();
var min = (a.getUTCMinutes()<10?'0':'')+a.getUTCMinutes();
var sec = (a.getUTCSeconds()<10?'0':'')+a.getUTCSeconds();
return day+' '+month+' '+date+' '+hour+':'+min+':'+sec+' +0000 '+year;
}
/* ·
·
· If we want to make sure we have empty arrays, not empty objects
·
· · · · · · · · · · */
function convertEmptyObjectToEmptyArray(data) {
// empty object? return empty array instead...
if($.isEmptyObject(data)) {
return [];
}
// leave data unchanged if we don't recognize it
else {
return data;
}
}
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/* ·
·
· Return all URL:s in a string
·
· @param string: the string to search
·
· @return an array with the found urls
·
· · · · · · · · · · */
function findUrls(text) {
var source = (text || '').toString();
var urlArray = [];
var url;
var matchArray;
var regexToken = /(((ftp|https?):\/\/)[\-\w@:%_\+.~#?,&\/\/=]+)|((mailto:)?[_.\w-]+@([\w][\w\-]+\.)+[a-zA-Z]{2,3})/g;
while( (matchArray = regexToken.exec( source )) !== null ) {
var token = matchArray[0];
urlArray.push( token );
}
return urlArray;
}
/* ·
·
· Functions to show and remove the spinner
·
· · · · · · · · · · · · */
function display_spinner(parent) {
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if($('.loader').length<1) {
if(typeof parent == 'undefined') {
$('.global-nav').removeClass('show-logo');
var parent = 'body';
}
$(parent).prepend('\
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<div class="loader">\
<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"\
width="40px" height="40px" viewBox="0 0 40 40" enable-background="new 0 0 40 40" xml:space="preserve">\
<path opacity="0.2" enable-background="new " d="M20.201,8.503c-6.413,0-11.612,5.199-11.612,11.612s5.199,11.611,11.612,11.611\
c6.412,0,11.611-5.198,11.611-11.611S26.613,8.503,20.201,8.503z M20.201,29.153c-4.992,0-9.039-4.046-9.039-9.038\
s4.047-9.039,9.039-9.039c4.991,0,9.038,4.047,9.038,9.039S25.192,29.153,20.201,29.153z"/>\
<path d="M24.717,12.293l1.285-2.227c-1.708-0.988-3.686-1.563-5.801-1.563l0,0v2.573l0,0C21.848,11.076,23.386,11.524,24.717,12.293 z">\
<animateTransform attributeType="xml"\
attributeName="transform"\
type="rotate"\
from="0 20 20"\
to="360 20 20"\
dur="1s"\
repeatCount="indefinite"/>\
</path>\
</svg>\
</div>\
');
}
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}
function remove_spinner() {
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$('.loader').remove();
$('.global-nav').addClass('show-logo');
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}
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/* ·
·
· Converts ...-attachment-links to spans
·
· (Attachments are loaded when queets expand)
·
· · · · · · · · · · · · · · · · · */
function convertAttachmentMoreHref() {
$('a.attachment.more').each(function() {
if(typeof $(this).attr('href') != 'undefined') {
var attachment_href = $(this).attr('href');
var attachment_id = attachment_href.substr((~-attachment_href.lastIndexOf("/") >>> 0) + 2);
if(attachment_id.length>0) {
$(this).replaceWith($('<span class="attachment more" data-attachment-id="' + attachment_id + '">…</span>'));
}
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}
});
}
/* ·
·
2015-03-06 06:22:48 +09:00
· Updates the browsing history local storage
2013-08-19 22:30:57 +09:00
·
· · · · · · · · · · · · · */
function updateHistoryLocalStorage() {
if(localStorageIsEnabled()) {
var i=0;
var historyContainer = new Object();
$.each($('#history-container .stream-selection'), function(key,obj) {
historyContainer[i] = new Object();
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historyContainer[i].dataStreamHref = $(obj).attr('href');
historyContainer[i].dataStreamHeader = $(obj).attr('data-stream-header');
i++;
});
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localStorageObjectCache_STORE('browsingHistory', window.loggedIn.screen_name,historyContainer);
if($('#history-container .stream-selection').length==0) {
$('#history-container').css('display','none');
}
else {
$('#history-container').css('display','block');
}
$('#history-container').sortable({delay: 100});
$('#history-container').disableSelection();
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}
}
/* ·
·
· Loads history from local storage to menu
·
· · · · · · · · · · · · · */
function loadHistoryFromLocalStorage() {
if(localStorageIsEnabled()) {
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localStorageObjectCache_GET('browsingHistory', window.loggedIn.screen_name,function(data){
if(data) {
$('#history-container').css('display','block');
$('#history-container').html('');
$.each(data, function(key,obj) {
$('#history-container').append('<a class="stream-selection" data-stream-header="' + obj.dataStreamHeader + '" href="' + obj.dataStreamHref + '">' + obj.dataStreamHeader + '</i><i class="chev-right"></i></a>');
});
}
});
updateHistoryLocalStorage();
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}
}
/* ·
·
· Does stream need a ? or a &
·
· · · · · · · · · · · · · */
function qOrAmp(stream) {
if(stream.substr(-5) == '.json') {
return '?';
}
else {
return '&';
}
}
/* ·
·
· Count chars in queet box
·
2013-11-23 08:31:04 +09:00
· @param src: the queetbox's value
2013-08-19 22:30:57 +09:00
· @param trgt: the counter
· @param btn: the button
·
· · · · · · · · · · · · · */
function countCharsInQueetBox(src,trgt,btn) {
// count linebreaks by converting them to spaces
var $src_txt = $('<div/>').append(src.html().replace(/<br>/g,' '));
$src_txt = $('<div/>').append($.trim($src_txt.text().replace(/\n/g,'').replace(/^\s+|\s+$/g, '')));
var numchars = ($src_txt.text()).length;
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// check for long urls and disable/enable url shorten button if present
var longurls = 0;
$.each(src.siblings('.syntax-middle').find('span.url'),function(key,obj){
if($.trim($(obj).html().replace(/&nbsp;/gi,'').replace(/<br>/gi,'')).length > 20) {
longurls++;
}
});
if(longurls>0) src.siblings('.queet-toolbar').find('button.shorten').removeClass('disabled');
else src.siblings('.queet-toolbar').find('button.shorten').addClass('disabled');
// limited
if(window.textLimit > 0) {
trgt.html(window.textLimit - numchars);
// activate/deactivare button
if(numchars > 0 && numchars < window.textLimit+1) {
btn.removeClass('disabled');
btn.addClass('enabled');
btn.removeClass('too-long');
// deactivate button if it's equal to the start text
var queetBox = btn.closest('.inline-reply-queetbox').children('.queet-box-syntax');
if(typeof queetBox.attr('data-replies-text') != 'undefined') {
var $startText = $('<div/>').append(decodeURIComponent(queetBox.attr('data-replies-text')));
if($.trim($startText.text()) == $.trim($src_txt.text())) {
btn.removeClass('enabled');
btn.addClass('disabled');
}
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}
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}
else if(numchars > window.textLimit){
btn.removeClass('enabled');
btn.addClass('disabled');
btn.addClass('too-long');
}
else {
btn.removeClass('enabled');
btn.addClass('disabled');
btn.removeClass('too-long');
}
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2013-08-19 22:30:57 +09:00
// counter color
if((window.textLimit-numchars) < 0) {
trgt.css('color','#D40D12');
}
else {
trgt.removeAttr('style');
}
2013-08-19 22:30:57 +09:00
}
// unlimited
else {
if(numchars > 0) {
btn.removeClass('disabled');
btn.addClass('enabled');
}
else {
btn.removeClass('enabled');
btn.addClass('disabled');
}
}
2013-08-19 22:30:57 +09:00
}
/* ·
·
· Remember my scroll position
·
· @param obj: jQuery object which position we want to remember
· @param id: id for position to remember
· @param offset: we might want to offset our remembered scroll, e.g. when stream-item gets margin after expand
·
· · · · · · · · · · · · · */
function rememberMyScrollPos(obj,id,offset) {
if(typeof offset == 'undefined') {
var offset = 0;
}
if(typeof window.scrollpositions == 'undefined') { window.scrollpositions = new Object();}
window.scrollpositions[id] = obj.offset().top - $(window).scrollTop() - offset;
}
/* ·
·
· Go back to my scroll po
·
· @param obj: jQuery object to put in the remebered position
· @param id: id for remembered position
· @param animate: if we want to animate the scroll
· @param callback: function to run when animation stops
·
· · · · · · · · · · · · · */
function backToMyScrollPos(obj,id,animate,callback) {
var pos = obj.offset().top-window.scrollpositions[id];
if(animate) {
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if(animate == 'animate' || animate === true) {
animate = 1000;
}
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if(typeof callback !== 'undefined'){
$('html, body').animate({ scrollTop: pos}, animate, 'swing',function(){
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callback();
});
}
else {
$('html, body').animate({ scrollTop: pos }, animate, 'swing');
2013-08-19 22:30:57 +09:00
}
}
else {
$('html, body').scrollTop(pos);
}
}
2014-06-02 04:51:28 +09:00
/* ·
·
· Clean up user object, remove null etc
·
· · · · · · · · · · · · · */
function cleanUpUserObject(data) {
data.name = data.name || '';
data.profile_image_url = data.profile_image_url || '';
data.profile_image_url_profile_size = data.profile_image_url_profile_size || '';
data.profile_image_url_original = data.profile_image_url_original || '';
data.screen_name = data.screen_name || '';
data.description = data.description || '';
data.location = data.location || '';
data.url = data.url || '';
data.statusnet_profile_url = data.statusnet_profile_url || '';
data.statuses_count = data.statuses_count || 0;
data.followers_count = data.followers_count || 0;
data.groups_count = data.groups_count || 0;
data.friends_count = data.friends_count || 0;
return data;
}
2013-08-19 22:30:57 +09:00
/* ·
·
· outerHTML
·
· · · · · · · · · · · · · */
jQuery.fn.outerHTML = function(s) {
return s
? this.before(s).remove()
: jQuery("<p>").append(this.eq(0).clone()).html();
};
/* ·
·
· Stuff to get and set selection/caret in contenteditables
·
· · · · · · · · · · · · · */
function getSelectionInElement(element) {
var caretOffset = Array(0,0);
var doc = element.ownerDocument || element.document;
var win = doc.defaultView || doc.parentWindow;
var sel;
var range = win.getSelection().getRangeAt(0);
var preCaretRangeEnd = range.cloneRange();
preCaretRangeEnd.selectNodeContents(element);
preCaretRangeEnd.setEnd(range.endContainer, range.endOffset);
caretOffset[1] = preCaretRangeEnd.toString().length;
var preCaretRangeStart = range.cloneRange();
preCaretRangeStart.selectNodeContents(element);
preCaretRangeStart.setEnd(range.startContainer, range.startOffset);
caretOffset[0] = preCaretRangeStart.toString().length;
return caretOffset;
}
function getTextNodesIn(node) {
var textNodes = [];
if (node.nodeType == 3) {
textNodes.push(node);
}
else {
var children = node.childNodes;
for (var i = 0, len = children.length; i < len; ++i) {
textNodes.push.apply(textNodes, getTextNodesIn(children[i]));
}
}
return textNodes;
}
function setSelectionRange(el, start, end) {
if (document.createRange && window.getSelection) {
var range = document.createRange();
range.selectNodeContents(el);
var textNodes = getTextNodesIn(el);
var foundStart = false;
var charCount = 0, endCharCount;
for (var i = 0, textNode; textNode = textNodes[i++]; ) {
endCharCount = charCount + textNode.length;
if(endCharCount == start && endCharCount == end) {
endCharCount = endCharCount+1;
}
if (!foundStart && start >= charCount
&& (start < endCharCount ||
(start == endCharCount && i < textNodes.length))) {
range.setStart(textNode, start - charCount);
foundStart = true;
}
if (foundStart && end <= endCharCount) {
range.setEnd(textNode, end - charCount);
break;
}
charCount = endCharCount;
}
var sel = window.getSelection();
sel.removeAllRanges();
sel.addRange(range);
} else if (document.selection && document.body.createTextRange) {
var textRange = document.body.createTextRange();
textRange.moveToElementText(el);
textRange.collapse(true);
textRange.moveEnd("character", end);
textRange.moveStart("character", start);
textRange.select();
}
}
function createRangeFromCharacterIndices(containerEl, start, end) {
var charIndex = 0, range = document.createRange(), foundStart = false, stop = {};
range.setStart(containerEl, 0);
range.collapse(true);
function traverseTextNodes(node) {
if (node.nodeType == 3) {
var nextCharIndex = charIndex + node.length;
if (!foundStart && start >= charIndex && start <= nextCharIndex) {
range.setStart(node, start - charIndex);
foundStart = true;
}
if (foundStart && end >= charIndex && end <= nextCharIndex) {
range.setEnd(node, end - charIndex);
throw stop;
}
charIndex = nextCharIndex;
} else {
for (var i = 0, len = node.childNodes.length; i < len; ++i) {
traverseTextNodes(node.childNodes[i]);
}
}
}
try {
traverseTextNodes(containerEl);
} catch (ex) {
if (ex == stop) {
return range;
} else {
throw ex;
}
}
}
function deleteBetweenCharacterIndices(el, from, to) {
var range = createRangeFromCharacterIndices(el, from, to);
2015-01-22 03:15:22 +09:00
if(typeof range != 'undefined') {
range.deleteContents();
}
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}
/* ·
·
· Shorten urls in a queet-box
·
· · · · · · · · · · · · · */
function shortenUrlsInBox(shortenButton) {
shortenButton.addClass('disabled');
$.each(shortenButton.parent().parent().siblings('.syntax-middle').find('span.url'),function(key,obj){
var url = $.trim($(obj).text());
2014-09-20 09:53:10 +09:00
display_spinner();
$.ajax({ url: window.urlShortenerAPIURL + '?format=jsonp&action=shorturl&signature=' + window.urlShortenerSignature + '&url=' + encodeURIComponent(url), type: "GET", dataType: "jsonp", success: function(data) {
if(typeof data.shorturl != 'undefined') {
shortenButton.closest('.queet-toolbar').siblings('.upload-image-container').children('img[data-shorturl="' + data.url.url + '"]').attr('data-shorturl',data.shorturl);
2014-11-05 01:32:40 +09:00
shortenButton.parent().parent().siblings('.queet-box-syntax').html(shortenButton.parent().parent().siblings('.queet-box-syntax').html().replace($('<div/>').text(data.url.url).html(), data.shorturl));
2014-09-20 09:53:10 +09:00
shortenButton.parent().parent().siblings('.queet-box-syntax').trigger('keyup');
shortenButton.addClass('disabled'); // make sure the button is disabled right after
}
remove_spinner();
}});
});
}
/* ·
·
· Return the user screen name that this stream belongs to. last resort just return the stream
·
· · · · · · · · · · · · · */
function theUserOrGroupThisStreamBelongsTo(stream) {
// if screen_name is given as get-var, use that
if(stream.indexOf('screen_name=')>-1) {
var thisUsersScreenName = stream.substring(stream.indexOf('screen_name=')+12);
if(thisUsersScreenName.indexOf('&=')>-1) {
thisUsersScreenName = thisUsersScreenName.substring(0,stream.indexOf('&'));
}
return thisUsersScreenName;
}
// groups
else if(stream.indexOf('statusnet/groups/timeline/')>-1
|| stream.indexOf('statusnet/groups/membership/')>-1
|| stream.indexOf('statusnet/groups/admins/')>-1) {
var groupName = '!' + stream.substring(stream.lastIndexOf('/')+1, stream.indexOf('.json'));
return groupName;
}
// otherwise, and if we're logged in, we assume this is my stream
else if (window.loggedIn){
return window.loggedIn.screen_name;
}
else {
return stream;
}
}