mirror of
https://gerrit.wikimedia.org/r/mediawiki/skins/Vector.git
synced 2024-12-03 19:57:19 +00:00
109 lines
3.4 KiB
JavaScript
109 lines
3.4 KiB
JavaScript
/** @interface MwApi */
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let /** @type {MwApi} */ api;
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const debounce = require( /** @type {string} */ ( 'mediawiki.util' ) ).debounce;
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/**
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* Saves preference to user preferences and/or cookies.
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*
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* @param {string} feature
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* @param {boolean} enabled
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*/
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function save( feature, enabled ) {
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if ( !mw.user.isNamed() ) {
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switch ( feature ) {
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case 'toc-pinned':
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case 'limited-width':
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case 'appearance-pinned':
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// Save the setting under the new system
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mw.user.clientPrefs.set( `vector-feature-${ feature }`, enabled ? '1' : '0' );
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break;
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default:
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// not a supported anonymous preference
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break;
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}
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} else {
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debounce( () => {
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api = api || new mw.Api();
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api.saveOption( 'vector-' + feature, enabled ? 1 : 0 );
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}, 500 )();
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}
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}
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/**
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* @param {string} name feature name
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* @param {boolean} [override] option to force enabled or disabled state.
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* @param {boolean} [isLegacy] should we search for legacy classes
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* FIXME: this is for supporting cached HTML,
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* this should be removed 1-4 weeks after the patch has been in production.
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* @return {boolean} The new feature state (false=disabled, true=enabled).
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* @throws {Error} if unknown feature toggled.
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*/
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function toggleDocClasses( name, override, isLegacy ) {
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const suffixEnabled = isLegacy ? 'enabled' : 'clientpref-1';
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const suffixDisabled = isLegacy ? 'disabled' : 'clientpref-0';
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const featureClassEnabled = `vector-feature-${ name }-${ suffixEnabled }`,
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classList = document.documentElement.classList,
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featureClassDisabled = `vector-feature-${ name }-${ suffixDisabled }`,
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// If neither of the classes can be found it is a legacy feature
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isLegacyFeature = !classList.contains( featureClassDisabled ) &&
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!classList.contains( featureClassEnabled );
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// Check in legacy mode.
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if ( isLegacyFeature && !isLegacy ) {
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// try again using the legacy classes
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return toggleDocClasses( name, override, true );
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} else if ( classList.contains( featureClassDisabled ) || override === true ) {
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classList.remove( featureClassDisabled );
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classList.add( featureClassEnabled );
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return true;
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} else if ( classList.contains( featureClassEnabled ) || override === false ) {
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classList.add( featureClassDisabled );
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classList.remove( featureClassEnabled );
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return false;
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} else {
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throw new Error( `Attempt to toggle unknown feature: ${ name }` );
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}
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}
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/**
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* @param {string} name
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* @throws {Error} if unknown feature toggled.
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*/
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function toggle( name ) {
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const featureState = toggleDocClasses( name );
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save( name, featureState );
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}
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/**
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* Checks if the feature is enabled.
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*
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* @param {string} name
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* @return {boolean}
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*/
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function isEnabled( name ) {
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return document.documentElement.classList.contains( getClass( name, true ) ) ||
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document.documentElement.classList.contains( getClass( name, true, true ) );
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}
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/**
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* Get name of feature class.
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*
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* @param {string} name
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* @param {boolean} featureEnabled
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* @param {boolean} [isLegacy] FIXME: this is for supporting cached HTML,
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* but also features using the old feature class structure.
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* @return {string}
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*/
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function getClass( name, featureEnabled, isLegacy ) {
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if ( featureEnabled ) {
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const suffix = isLegacy ? 'enabled' : 'clientpref-1';
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return `vector-feature-${ name }-${ suffix }`;
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} else {
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const suffix = isLegacy ? 'disabled' : 'clientpref-0';
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return `vector-feature-${ name }-${ suffix }`;
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}
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}
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module.exports = { getClass, isEnabled, toggle, toggleDocClasses };
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