mirror of
https://gerrit.wikimedia.org/r/mediawiki/skins/MinervaNeue
synced 2024-11-13 17:37:07 +00:00
daef425ba1
All hail Mustache! Change-Id: Iaf83dc27addd00ffd65d003bd5d84441965124e8 Depends-On: If00010e092e3766f9812f9a69ce0dfe22298689a Bug: T220620
59 lines
1.4 KiB
JavaScript
59 lines
1.4 KiB
JavaScript
( function ( M ) {
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var
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mobile = M.require( 'mobile.startup' ),
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mfExtend = mobile.mfExtend,
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View = mobile.View,
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util = mobile.util;
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/**
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* Displays a little arrow at the bottom right of the viewport.
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* @class BackToTopOverlay
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* @extends View
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* @param {Object} props
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*/
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function BackToTopOverlay( props ) {
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View.call( this,
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util.extend( {}, props, {
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className: 'backtotop',
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events: { click: 'onBackToTopClick' }
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} )
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);
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}
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mfExtend( BackToTopOverlay, View, {
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template: mw.template.get( 'skins.minerva.options', 'BackToTopOverlay.mustache' ),
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/**
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* Show the back to top element, if it's not visible already.
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* @memberof BackToTopOverlay
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* @instance
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*/
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show: function () {
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this.$el.css( 'visibility', 'visible' ).addClass( 'visible' );
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},
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/**
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* Hide the back to top element, if it's visible.
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* @memberof BackToTopOverlay
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* @instance
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*/
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hide: function () {
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this.$el.removeClass( 'visible' );
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},
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/**
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* Handles the click on the "Back to top" element and scrolls back
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* to the top smoothly.
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* @memberof BackToTopOverlay
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* @instance
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*/
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onBackToTopClick: function () {
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// eslint-disable-next-line no-jquery/no-global-selector
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$( 'html, body' ).animate( { scrollTop: 0 }, 400 );
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}
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} );
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M.define( 'skins.minerva.options/BackToTopOverlay', BackToTopOverlay );
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}( mw.mobileFrontend ) );
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