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/*!
* ULS startup script - MediaWiki specific customization for jquery.uls
*
* Copyright (C) 2012-2013 Alolita Sharma, Amir Aharoni, Arun Ganesh, Brandon Harris,
* Niklas Laxström, Pau Giner, Santhosh Thottingal, Siebrand Mazeland and other
* contributors. See CREDITS for a list.
*
* UniversalLanguageSelector is dual licensed GPLv2 or later and MIT. You don't
* have to do anything special to choose one license or the other and you don't
* have to notify anyone which license you are using. You are free to use
* UniversalLanguageSelector in commercial projects as long as the copyright
* header is left intact. See files GPL-LICENSE and MIT-LICENSE for details.
*
* @file
* @ingroup Extensions
* @licence GNU General Public Licence 2.0 or later
* @licence MIT License
*/
( function () {
'use strict';
/*
* The 'als' is used in a non-standard way in MediaWiki -
* it may be used to represent the Allemanic language,
* the standard code of which is 'gsw', while 'als'
* is ISO 639 3 refers to Tosk Albanian, which is
* not currently used in any way in MediaWiki.
* This local fix adds a redirect for it.
*/
$.uls.data.addLanguage( 'als', { target: 'gsw' } );
mw.uls = mw.uls || {};
mw.uls.previousLanguagesStorageKey = 'uls-previous-languages';
mw.uls.languageSettingsModules = [ 'ext.uls.inputsettings', 'ext.uls.displaysettings' ];
/**
* Change the language of wiki using API or set cookie and reload the page
*
* @param {string} language Language code.
*/
mw.uls.changeLanguage = function ( language ) {
var deferred = new $.Deferred();
function changeLanguageAnon() {
if ( mw.config.get( 'wgULSAnonCanChangeLanguage' ) ) {
mw.cookie.set( 'language', language );
location.reload();
}
}
deferred.done( function () {
var api = new mw.Api();
if ( mw.user.isAnon() ) {
changeLanguageAnon();
return;
}
// TODO We can avoid doing this query if we know global preferences are not enabled
api.get( {
action: 'query',
meta: 'globalpreferences',
gprprop: 'preferences'
} ).then( function ( res ) {
// Check whether global preferences are in use. If they are not, `res.query` is
// an empty object. `res` will also contain warnings about unknown parameters.
try {
return !!res.query.globalpreferences.preferences.language;
} catch ( e ) {
return false;
}
} ).then( function ( hasGlobalPreference ) {
var apiModule;
if ( hasGlobalPreference ) {
apiModule = 'globalpreferenceoverrides';
mw.storage.set( 'uls-gp', '1' );
} else {
apiModule = 'options';
mw.storage.remove( 'uls-gp' );
}
return api.postWithToken( 'csrf', {
action: apiModule,
optionname: 'language',
optionvalue: language
} );
} ).done( function () {
location.reload();
} ).fail( function () {
// Setting the option failed. Maybe the user has logged off.
// Continue like anonymous user and set cookie.
changeLanguageAnon();
} );
} );
mw.hook( 'mw.uls.interface.language.change' ).fire( language, deferred );
// Delay is zero if event logging is not enabled
window.setTimeout( function () {
deferred.resolve();
}, mw.config.get( 'wgULSEventLogging' ) * 500 );
};
mw.uls.setPreviousLanguages = function ( previousLanguages ) {
try {
localStorage.setItem(
mw.uls.previousLanguagesStorageKey,
JSON.stringify( previousLanguages.slice( 0, 9 ) )
);
} catch ( e ) {}
};
mw.uls.getPreviousLanguages = function () {
var previousLanguages = [];
try {
previousLanguages.push.apply(
previousLanguages,
JSON.parse( localStorage.getItem( mw.uls.previousLanguagesStorageKey ) )
);
} catch ( e ) {}
return previousLanguages.slice( 0, 9 );
};
/**
* Add a selected language to the list of previously selected languages.
*
* @param {string} language Language code.
* @since 2016.05
*/
mw.uls.addPreviousLanguage = function ( language ) {
var languages = mw.uls.getPreviousLanguages(),
index = languages.indexOf( language );
// Avoid duplicates
if ( index !== -1 ) {
languages.splice( index, 1 );
}
languages.unshift( language );
mw.uls.setPreviousLanguages( languages );
};
/**
* Returns the browser's user interface language or the system language.
* The caller should check the validity of the returned language code.
*
* @return {string} Language code or empty string.
*/
mw.uls.getBrowserLanguage = function () {
// language is the standard property.
// userLanguage is only for IE and returns system locale.
// Empty string is a fallback in case both are undefined
// to avoid runtime error with split().
return ( window.navigator.language || window.navigator.userLanguage || '' ).split( '-' )[ 0 ];
};
mw.uls.getCountryCode = function () {
return window.Geo && ( window.Geo.country || window.Geo.country_code );
};
mw.uls.getAcceptLanguageList = function () {
return mw.config.get( 'wgULSAcceptLanguageList' ) || window.navigator.languages || [];
};
/**
* Get a list of codes for languages to show in
* the "Common languages" section of the ULS.
* The list consists of the user's current selected language,
* the wiki's content language, the browser' UI language
* and Accept-Language, user's previous selected languages
* and finally, the languages of countryCode taken from the CLDR,
* taken by default from the user's geolocation.
*
* @param {string} [countryCode] Uppercase country code.
* @return {Array} List of language codes without duplicates.
*/
mw.uls.getFrequentLanguageList = function ( countryCode ) {
var i, j, lang,
ret = [],
lists = [
[
mw.config.get( 'wgUserLanguage' ),
mw.config.get( 'wgContentLanguage' ),
mw.uls.getBrowserLanguage()
],
mw.uls.getPreviousLanguages(),
mw.uls.getAcceptLanguageList()
];
countryCode = countryCode || mw.uls.getCountryCode();
if ( countryCode ) {
lists.push( $.uls.data.getLanguagesInTerritory( countryCode ) );
}
for ( i = 0; i < lists.length; i++ ) {
for ( j = 0; j < lists[ i ].length; j++ ) {
lang = lists[ i ][ j ];
// Make flat, make unique, and ignore unknown/unsupported languages
if ( ret.indexOf( lang ) === -1 && $.uls.data.getAutonym( lang ) !== lang ) {
ret.push( lang );
}
}
}
return ret;
};
}() );
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