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cryptpad/www/common/cryptpad-common.js

1003 lines
34 KiB
JavaScript

define([
'/api/config?cb=' + Math.random().toString(16).slice(2),
'/customize/messages.js',
'/customize/store.js',
'/bower_components/chainpad-crypto/crypto.js',
'/bower_components/alertifyjs/dist/js/alertify.js',
'/bower_components/spin.js/spin.min.js',
'/common/clipboard.js',
'/customize/user.js',
'/bower_components/jquery/dist/jquery.min.js',
], function (Config, Messages, Store, Crypto, Alertify, Spinner, Clipboard, User) {
/* This file exposes functionality which is specific to Cryptpad, but not to
any particular pad type. This includes functions for committing metadata
about pads to your local storage for future use and improved usability.
Additionally, there is some basic functionality for import/export.
*/
var $ = window.jQuery;
var common = {
User: User,
Messages: Messages,
};
var store;
var userProxy;
var userStore;
var find = common.find = function (map, path) {
return (map && path.reduce(function (p, n) {
return typeof(p[n]) !== 'undefined' && p[n];
}, map));
};
var getStore = common.getStore = function (legacy) {
if (!legacy && userStore) { return userStore; }
if (store) { return store; }
throw new Error("Store is not ready!");
};
var getWebsocketURL = common.getWebsocketURL = function () {
if (!Config.websocketPath) { return Config.websocketURL; }
var path = Config.websocketPath;
if (/^ws{1,2}:\/\//.test(path)) { return path; }
var protocol = window.location.protocol.replace(/http/, 'ws');
var host = window.location.host;
var url = protocol + '//' + host + path;
return url;
};
/*
* cb(err, proxy);
*/
var authorize = common.authorize = function (cb) {
console.log("Authorizing");
User.session(void 0, function (err, secret) {
if (!secret) {
// user is not authenticated
cb('user is not authenticated', void 0);
}
// for now we assume that things always work
User.connect(secret, function (err, proxy) {
cb(void 0, proxy);
});
});
};
// HERE
var deauthorize = common.deauthorize = function (cb) {
console.log("Deauthorizing");
// erase session data from storage
User.session(null, function (err) {
if (err) {
console.error(err);
}
/*
TODO better abort for this stuff...
*/
userStore = undefined;
userProxy = undefined;
});
};
Store.ready(function (err, Store) {
if (err) {
console.error(err);
return;
}
store = Store;
});
var isArray = function (o) { return Object.prototype.toString.call(o) === '[object Array]'; };
var fixHTML = common.fixHTML = function (html) {
return html.replace(/</g, '&lt;');
};
var truncate = common.truncate = function (text, len) {
if (typeof(text) === 'string' && text.length > len) {
return text.slice(0, len) + '…';
}
return text;
};
var hexToBase64 = common.hexToBase64 = function (hex) {
var hexArray = hex
.replace(/\r|\n/g, "")
.replace(/([\da-fA-F]{2}) ?/g, "0x$1 ")
.replace(/ +$/, "")
.split(" ");
var byteString = String.fromCharCode.apply(null, hexArray);
return window.btoa(byteString).replace(/\//g, '-').slice(0,-2);
};
var base64ToHex = common.base64ToHex = function (b64String) {
var hexArray = [];
atob(b64String.replace(/-/g, '/')).split("").forEach(function(e){
var h = e.charCodeAt(0).toString(16);
if (h.length === 1) { h = "0"+h; }
hexArray.push(h);
});
return hexArray.join("");
};
var parseHash = common.parseHash = function (hash) {
var parsed = {};
if (hash.slice(0,1) !== '/' && hash.length >= 56) {
// Old hash
parsed.channel = hash.slice(0, 32);
parsed.key = hash.slice(32);
parsed.version = 0;
return parsed;
}
var hashArr = hash.split('/');
if (hashArr[1] && hashArr[1] === '1') {
parsed.version = 1;
parsed.mode = hashArr[2];
parsed.channel = hashArr[3];
parsed.key = hashArr[4];
parsed.present = hashArr[5] && hashArr[5] === 'present';
return parsed;
}
return;
};
var getEditHashFromKeys = common.getEditHashFromKeys = function (chanKey, keys) {
if (typeof keys === 'string') {
return chanKey + keys;
}
return '/1/edit/' + hexToBase64(chanKey) + '/' + Crypto.b64RemoveSlashes(keys.editKeyStr);
};
var getViewHashFromKeys = common.getViewHashFromKeys = function (chanKey, keys) {
if (typeof keys === 'string') {
return;
}
return '/1/view/' + hexToBase64(chanKey) + '/' + Crypto.b64RemoveSlashes(keys.viewKeyStr);
};
var getHashFromKeys = common.getHashFromKeys = getEditHashFromKeys;
var getSecrets = common.getSecrets = function () {
var secret = {};
if (!/#/.test(window.location.href)) {
secret.keys = Crypto.createEditCryptor();
secret.key = Crypto.createEditCryptor().editKeyStr;
} else {
var hash = window.location.hash.slice(1);
if (hash.length === 0) {
secret.keys = Crypto.createEditCryptor();
secret.key = Crypto.createEditCryptor().editKeyStr;
return secret;
}
// old hash system : #{hexChanKey}{cryptKey}
// new hash system : #/{hashVersion}/{b64ChanKey}/{cryptKey}
if (hash.slice(0,1) !== '/' && hash.length >= 56) {
// Old hash
secret.channel = hash.slice(0, 32);
secret.key = hash.slice(32);
}
else {
// New hash
var hashArray = hash.split('/');
if (hashArray.length < 4) {
common.alert("Unable to parse the key");
throw new Error("Unable to parse the key");
}
var version = hashArray[1];
/*if (version === "1") {
secret.channel = base64ToHex(hashArray[2]);
secret.key = hashArray[3].replace(/-/g, '/');
if (secret.channel.length !== 32 || secret.key.length !== 24) {
common.alert("The channel key and/or the encryption key is invalid");
throw new Error("The channel key and/or the encryption key is invalid");
}
}*/
if (version === "1") {
var mode = hashArray[2];
if (mode === 'edit') {
secret.channel = base64ToHex(hashArray[3]);
var keys = Crypto.createEditCryptor(hashArray[4].replace(/-/g, '/'));
secret.keys = keys;
secret.key = keys.editKeyStr;
if (secret.channel.length !== 32 || secret.key.length !== 24) {
common.alert("The channel key and/or the encryption key is invalid");
throw new Error("The channel key and/or the encryption key is invalid");
}
}
else if (mode === 'view') {
secret.channel = base64ToHex(hashArray[3]);
secret.keys = Crypto.createViewCryptor(hashArray[4].replace(/-/g, '/'));
if (secret.channel.length !== 32) {
common.alert("The channel key is invalid");
throw new Error("The channel key is invalid");
}
}
}
}
}
return secret;
};
var replaceHash = common.replaceHash = function (hash) {
if (window.history && window.history.replaceState) {
if (!/^#/.test(hash)) { hash = '#' + hash; }
return void window.history.replaceState({}, window.document.title, hash);
}
window.location.hash = hash;
};
var storageKey = common.storageKey = 'CryptPad_RECENTPADS';
/*
* localStorage formatting
*/
/*
the first time this gets called, your local storage will migrate to a
new format. No more indices for values, everything is named now.
* href
* atime (access time)
* title
* ??? // what else can we put in here?
*/
var migrateRecentPads = common.migrateRecentPads = function (pads) {
return pads.map(function (pad) {
if (isArray(pad)) {
var href = pad[0];
var hash;
href.replace(/\#(.*)$/, function (a, h) {
hash = h;
});
return {
href: pad[0],
atime: pad[1],
title: pad[2] || hash && hash.slice(0,8),
ctime: pad[1],
};
} else if (typeof(pad) === 'object') {
if (!pad.ctime) { pad.ctime = pad.atime; }
if (!pad.title) {
pad.href.replace(/#(.*)$/, function (x, hash) {
pad.title = hash.slice(0,8);
});
}
pad.href = pad.href.replace(/^https:\/\/beta\.cryptpad\.fr/,
'https://cryptpad.fr');
return pad;
} else {
console.error("[Cryptpad.migrateRecentPads] pad had unexpected value");
console.log(pad);
return {};
}
});
};
var getHash = common.getHash = function () {
return window.location.hash.slice(1);
};
var parsePadUrl = common.parsePadUrl = function (href) {
var patt = /^https*:\/\/([^\/]*)\/(.*?)\//i;
var ret = {};
var hash = href.replace(patt, function (a, domain, type, hash) {
ret.domain = domain;
ret.type = type;
return '';
});
ret.hash = hash.replace(/#/g, '');
return ret;
};
var isNameAvailable = function (title, parsed, pads) {
return !pads.some(function (pad) {
// another pad is already using that title
if (pad.title === title) {
return true;
}
});
};
// Create untitled documents when no name is given
var getDefaultName = common.getDefaultName = function (parsed, recentPads) {
var type = parsed.type;
var untitledIndex = 1;
var name = (Messages.type)[type] + ' - ' + new Date().toString().split(' ').slice(0,4).join(' ');
return name;
/*
* Pad titles are shared in the document so it does not make sense anymore to avoid duplicates
if (isNameAvailable(name, parsed, recentPads)) { return name; }
while (!isNameAvailable(name + ' - ' + untitledIndex, parsed, recentPads)) { untitledIndex++; }
return name + ' - ' + untitledIndex;
*/
};
var isDefaultName = common.isDefaultName = function (parsed, title) {
var name = getDefaultName(parsed, []);
return title === name;
};
var makePad = function (href, title) {
var now = ''+new Date();
return {
href: href,
atime: now,
ctime: now,
title: title || window.location.hash.slice(1, 9),
};
};
/* Sort pads according to how recently they were accessed */
var mostRecent = common.mostRecent = function (a, b) {
return new Date(b.atime).getTime() - new Date(a.atime).getTime();
};
// STORAGE
var setPadAttribute = common.setPadAttribute = function (attr, value, cb, legacy) {
getStore(legacy).set([getHash(), attr].join('.'), value, function (err, data) {
cb(err, data);
});
};
var setAttribute = common.setAttribute = function (attr, value, cb, legacy) {
getStore(legacy).set(["cryptpad", attr].join('.'), value, function (err, data) {
cb(err, data);
});
};
// STORAGE
var getPadAttribute = common.getPadAttribute = function (attr, cb, legacy) {
getStore(legacy).get([getHash(), attr].join('.'), function (err, data) {
cb(err, data);
});
};
var getAttribute = common.getAttribute = function (attr, cb, legacy) {
getStore(legacy).get(["cryptpad", attr].join('.'), function (err, data) {
cb(err, data);
});
};
// STORAGE
/* fetch and migrate your pad history from localStorage */
var getRecentPads = common.getRecentPads = function (cb, legacy) {
getStore(legacy).get(storageKey, function (err, recentPads) {
if (isArray(recentPads)) {
cb(void 0, migrateRecentPads(recentPads));
return;
}
cb(void 0, []);
});
};
// STORAGE
/* commit a list of pads to localStorage */
var setRecentPads = common.setRecentPads = function (pads, cb, legacy) {
getStore(legacy).set(storageKey, pads, function (err, data) {
cb(err, data);
});
};
// STORAGE
var forgetPad = common.forgetPad = function (href, cb, legacy) {
var parsed = parsePadUrl(href);
getRecentPads(function (err, recentPads) {
setRecentPads(recentPads.filter(function (pad) {
var p = parsePadUrl(pad.href);
// find duplicates
if (parsed.hash === p.hash && parsed.type === p.type) {
console.log("Found a duplicate");
return;
}
return true;
}), function (err, data) {
if (err) {
cb(err);
return;
}
getStore(legacy).keys(function (err, keys) {
if (err) {
cb(err);
return;
}
var toRemove = keys.filter(function (k) {
return k.indexOf(parsed.hash) === 0;
});
if (!toRemove.length) {
cb();
return;
}
getStore(legacy).removeBatch(toRemove, function (err, data) {
cb(err, data);
});
});
}, legacy);
}, legacy);
};
// STORAGE
var setPadTitle = common.setPadTitle = function (name, cb) {
var href = window.location.href;
var parsed = parsePadUrl(href);
getRecentPads(function (err, recent) {
if (err) {
cb(err);
return;
}
var contains;
var renamed = recent.map(function (pad) {
var p = parsePadUrl(pad.href);
if (p.type !== parsed.type) { return pad; }
var shouldUpdate = p.hash === parsed.hash;
// Version 1 : we have up to 4 differents hash for 1 pad, keep the strongest :
// Edit > Edit (present) > View > View (present)
var pHash = parseHash(p.hash);
var parsedHash = parseHash(parsed.hash);
if (!shouldUpdate && pHash.version === 1 && parsedHash.version === 1 && pHash.channel === parsedHash.channel) {
if (pHash.mode === 'view' && parsedHash.mode === 'edit') { shouldUpdate = true; }
else if (pHash.mode === parsedHash.mode && pHash.present) { shouldUpdate = true; }
else {
// Editing a "weaker" version of a stored hash : update the date and do not push the current hash
pad.atime = new Date().toISOString();
contains = true;
return pad;
}
}
if (shouldUpdate) {
contains = true;
// update the atime
pad.atime = new Date().toISOString();
// set the name
pad.title = name;
pad.href = href;
}
return pad;
});
if (!contains) {
renamed.push(makePad(href, name));
}
setRecentPads(renamed, function (err, data) {
cb(err, data);
});
});
};
// STORAGE
var getPadTitle = common.getPadTitle = function (cb) {
var href = window.location.href;
var parsed = parsePadUrl(window.location.href);
var hashSlice = window.location.hash.slice(1,9);
var title = '';
getRecentPads(function (err, pads) {
if (err) {
cb(err);
return;
}
pads.some(function (pad) {
var p = parsePadUrl(pad.href);
if (p.hash === parsed.hash && p.type === parsed.type) {
title = pad.title || hashSlice;
return true;
}
});
if (title === '') { title = getDefaultName(parsed, pads); }
cb(void 0, title);
});
};
// STORAGE
var causesNamingConflict = common.causesNamingConflict = function (title, cb) {
var href = window.location.href;
var parsed = parsePadUrl(href);
getRecentPads(function (err, pads) {
if (err) {
cb(err);
return;
}
var conflicts = pads.some(function (pad) {
// another pad is already using that title
if (pad.title === title) {
var p = parsePadUrl(pad.href);
if (p.type === parsed.type && p.hash === parsed.hash) {
// the duplicate pad has the same type and hash
// allow renames
} else {
// it's an entirely different pad... it conflicts
return true;
}
}
});
cb(void 0, conflicts);
});
};
// local name?
common.ready = function (f) {
var state = 0;
var env = {};
var cb = function () {
f(void 0, env);
};
Store.ready(function (err, store) {
common.store = env.store = store;
$(function() {
// Race condition : if document.body is undefined when alertify.js is loaded, Alertify
// won't work. We have to reset it now to make sure it uses a correct "body"
Alertify.reset();
if($('#pad-iframe').length) {
var $iframe = $('#pad-iframe');
var iframe = $iframe[0];
var iframeDoc = iframe.contentDocument || iframe.contentWindow.document;
if (iframeDoc.readyState === 'complete') {
cb();
return;
}
$iframe.load(cb);
return;
}
cb();
});
return;
/*
authorize(function (err, proxy) {
/*
TODO
listen for log(in|out) events
update information accordingly
* /
store.change(function (data) {
if (data.key === User.localKey) {
// HERE
if (!data.newValue) {
deauthorize(function (err) {
console.log("Deauthorized!!");
});
} else {
authorize(function (err, proxy) {
if (err) {
// not logged in
}
if (!proxy) {
userProxy = proxy;
userStore = User.prepareStore(proxy);
}
});
}
}
});
if (err) {
// not logged in
}
if (!proxy) {
cb();
return;
}
userProxy = env.proxy = proxy;
userStore = env.userStore = User.prepareStore(proxy);
cb();
}); */
});
};
/*
* Saving files
*/
var fixFileName = common.fixFileName = function (filename) {
return filename.replace(/ /g, '-').replace(/[\/\?]/g, '_')
.replace(/_+/g, '_');
};
var importContent = common.importContent = function (type, f) {
return function () {
var $files = $('<input type="file">').click();
$files.on('change', function (e) {
var file = e.target.files[0];
var reader = new FileReader();
reader.onload = function (e) { f(e.target.result, file); };
reader.readAsText(file, type);
});
};
};
/*
* Buttons
*/
var renamePad = common.renamePad = function (title, callback) {
if (title === null) { return; }
if (title.trim() === "") {
var parsed = parsePadUrl(window.location.href);
title = getDefaultName(parsed);
}
common.setPadTitle(title, function (err, data) {
if (err) {
console.log("unable to set pad title");
console.log(err);
return;
}
callback(null, title);
});
/* Pad titles are shared in the document. We don't check for duplicates anymore.
common.causesNamingConflict(title, function (err, conflicts) {
if (err) {
console.log("Unable to determine if name caused a conflict");
console.error(err);
callback(err, title);
return;
}
if (conflicts) {
common.alert(Messages.renameConflict);
return;
}
common.setPadTitle(title, function (err, data) {
if (err) {
console.log("unable to set pad title");
console.log(err);
return;
}
callback(null, title);
});
});
*/
};
var createButton = common.createButton = function (type, rightside, data, callback) {
var button;
var size = "17px";
switch (type) {
case 'export':
button = $('<button>', {
title: Messages.exportButton + '\n' + Messages.exportButtonTitle,
'class': "fa fa-download",
style: 'font:'+size+' FontAwesome'
});
if (callback) {
button.click(callback);
}
break;
case 'import':
button = $('<button>', {
title: Messages.importButton + '\n' + Messages.importButtonTitle,
'class': "fa fa-upload",
style: 'font:'+size+' FontAwesome'
});
if (callback) {
button.click(common.importContent('text/plain', function (content, file) {
callback(content, file);
}));
}
break;
case 'rename':
button = $('<button>', {
id: 'name-pad',
title: Messages.renameButton + '\n' + Messages.renameButtonTitle,
'class': "fa fa-bookmark cryptpad-rename",
style: 'font:'+size+' FontAwesome'
});
if (data && data.suggestName && callback) {
var suggestName = data.suggestName;
button.click(function() {
var suggestion = suggestName();
common.prompt(Messages.renamePrompt, suggestion, function (title, ev) {
renamePad(title, callback);
});
});
}
break;
case 'forget':
button = $('<button>', {
id: 'cryptpad-forget',
title: Messages.forgetButton + '\n' + Messages.forgetButtonTitle,
'class': "fa fa-trash cryptpad-forget",
style: 'font:'+size+' FontAwesome'
});
if (callback) {
button.click(function() {
var href = window.location.href;
common.confirm(Messages.forgetPrompt, function (yes) {
if (!yes) { return; }
common.forgetPad(href, function (err, data) {
if (err) {
console.log("unable to forget pad");
console.error(err);
callback(err, null);
return;
}
var parsed = common.parsePadUrl(href);
callback(null, common.getDefaultName(parsed, []));
});
});
});
}
break;
case 'username':
button = $('<button>', {
title: Messages.userButton + '\n' + Messages.userButtonTitle
}).html('<span class="fa fa-user" style="font-family:FontAwesome;"></span>');
if (data && typeof data.lastName !== "undefined" && callback) {
button.click(function() {
common.prompt(Messages.changeNamePrompt, data.lastName, function (newName) {
callback(newName);
});
});
}
break;
case 'editshare':
button = $('<button>', {
title: Messages.editShareTitle,
'class': "button action"
}).text(Messages.editShare);
if (data && data.editHash) {
var editHash = data.editHash;
button.click(function () {
var baseUrl = window.location.origin + window.location.pathname + '#';
var url = baseUrl + editHash;
var success = Clipboard.copy(url);
if (success) {
common.log(Messages.shareSuccess);
common.findOKButton().click();
return;
}
});
}
break;
case 'viewshare':
button = $('<button>', {
title: Messages.viewShareTitle,
'class': "button action"
}).text(Messages.viewShare);
if (data && data.viewHash) {
button.click(function () {
var baseUrl = window.location.origin + window.location.pathname + '#';
var url = baseUrl + data.viewHash;
var success = Clipboard.copy(url);
if (success) {
common.log(Messages.shareSuccess);
common.findOKButton().click();
return;
}
});
}
break;
case 'viewopen':
button = $('<button>', {
title: Messages.viewOpenTitle,
'class': "button action"
}).text(Messages.viewOpen);
if (data && data.viewHash) {
button.click(function () {
var baseUrl = window.location.origin + window.location.pathname + '#';
var url = baseUrl + data.viewHash;
common.findOKButton().click();
window.open(url);
});
}
break;
case 'present':
button = $('<button>', {
title: Messages.presentButton + '\n' + Messages.presentButtonTitle,
'class': "fa fa-play-circle cryptpad-present-button", // class used in slide.js
style: 'font:'+size+' FontAwesome'
});
break;
case 'source':
button = $('<button>', {
title: Messages.sourceButton + '\n' + Messages.sourceButtonTitle,
'class': "fa fa-stop-circle cryptpad-source-button", // class used in slide.js
style: 'font:'+size+' FontAwesome'
});
break;
default:
button = $('<button>', {
'class': "fa fa-question",
style: 'font:'+size+' FontAwesome'
});
}
if (rightside) {
button.addClass('rightside-button');
}
return button;
};
/*
* Alertifyjs
*/
var styleAlerts = common.styleAlerts = function (href) {
var $link = $('link[href="/customize/alertify.css"]');
if ($link.length) {
$link.attr('href', '');
$link.attr('href', '/customize/alertify.css');
return;
}
href = href || '/customize/alertify.css';
$('head').append($('<link>', {
rel: 'stylesheet',
id: 'alertifyCSS',
href: href,
}));
};
var findCancelButton = common.findCancelButton = function () {
return $('button.cancel');
};
var findOKButton = common.findOKButton = function () {
return $('button.ok');
};
var listenForKeys = function (yes, no) {
var handler = function (e) {
switch (e.which) {
case 27: // cancel
if (typeof(no) === 'function') { no(e); }
no();
break;
case 13: // enter
if (typeof(yes) === 'function') { yes(e); }
break;
}
};
$(window).keyup(handler);
return handler;
};
var stopListening = function (handler) {
$(window).off('keyup', handler);
};
common.alert = function (msg, cb) {
common.styleAlerts();
cb = cb || function () {};
var keyHandler = listenForKeys(function (e) { // yes
findOKButton().click();
});
Alertify.alert(msg, function (ev) {
cb(ev);
stopListening(keyHandler);
});
};
common.prompt = function (msg, def, cb, opt) {
common.styleAlerts();
opt = opt || {};
cb = cb || function () {};
var keyHandler = listenForKeys(function (e) { // yes
findOKButton().click();
}, function (e) { // no
findCancelButton().click();
});
Alertify
.defaultValue(def || '')
.okBtn(opt.ok || Messages.okButton || 'OK')
.cancelBtn(opt.cancel || Messages.cancelButton || 'Cancel')
.prompt(msg, function (val, ev) {
cb(val, ev);
stopListening(keyHandler);
}, function (ev) {
cb(null, ev);
stopListening(keyHandler);
});
};
common.confirm = function (msg, cb, opt) {
common.styleAlerts();
opt = opt || {};
cb = cb || function () {};
var keyHandler = listenForKeys(function (e) {
findOKButton().click();
}, function (e) {
findCancelButton().click();
});
Alertify
.okBtn(opt.ok || Messages.okButton || 'OK')
.cancelBtn(opt.cancel || Messages.cancelButton || 'Cancel')
.confirm(msg, function () {
cb(true);
stopListening(keyHandler);
}, function () {
cb(false);
stopListening(keyHandler);
});
};
common.log = function (msg) {
Alertify.success(msg);
};
common.warn = function (msg) {
Alertify.error(msg);
};
/*
* spinner
*/
common.spinner = function (parent) {
var $target = $('<div>', {
//
}).hide();
$(parent).append($target);
var opts = {
lines: 9, // The number of lines to draw
length: 12, // The length of each line
width: 11, // The line thickness
radius: 20, // The radius of the inner circle
scale: 2, // Scales overall size of the spinner
corners: 1, // Corner roundness (0..1)
color: '#777', // #rgb or #rrggbb or array of colors
opacity: 0.3, // Opacity of the lines
rotate: 31, // The rotation offset
direction: 1, // 1: clockwise, -1: counterclockwise
speed: 0.9, // Rounds per second
trail: 49, // Afterglow percentage
fps: 20, // Frames per second when using setTimeout() as a fallback for CSS
zIndex: 2e9, // The z-index (defaults to 2000000000)
className: 'spinner', // The CSS class to assign to the spinner
top: '50%', // Top position relative to parent
left: '50%', // Left position relative to parent
shadow: false, // Whether to render a shadow
hwaccel: false, // Whether to use hardware acceleration
position: 'absolute', // Element positioning
};
var spinner = new Spinner(opts).spin($target[0]);
return {
show: function () {
$target.show();
return this;
},
hide: function () {
$target.hide();
return this;
},
get: function () {
return spinner;
},
};
};
Messages._applyTranslation();
return common;
});