mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/MultimediaViewer
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30fad6b8b8
* classes * arrow functions * const/let * string templates * Object.assign Bug: T337102 Change-Id: I757b9993a2feeed707fb4ad213944001498f3f6a
94 lines
2.6 KiB
JavaScript
94 lines
2.6 KiB
JavaScript
/*
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* This file is part of the MediaWiki extension MediaViewer.
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*
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* MediaViewer is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* MediaViewer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MediaViewer. If not, see <http://www.gnu.org/licenses/>.
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*/
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const UiElement = require( './mmv.ui.js' );
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( function () {
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/**
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* A progress bar for the loading of the image.
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*/
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class ProgressBar extends UiElement {
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/**
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* @param {jQuery} $container
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*/
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constructor( $container ) {
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super( $container );
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this.init();
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}
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/**
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* Initializes the progress display at the top of the panel.
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*/
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init() {
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this.$progress = $( '<div>' )
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.addClass( 'mw-mmv-progress empty' )
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.appendTo( this.$container );
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this.$percent = $( '<div>' )
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.addClass( 'mw-mmv-progress-percent' )
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.appendTo( this.$progress );
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}
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empty() {
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this.hide();
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}
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/**
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* Hides the bar, resets it to 0 and stops any animation in progress.
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*/
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hide() {
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this.$progress.addClass( 'empty' );
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this.$percent.stop().css( { width: 0 } );
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}
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/**
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* Handles the progress display when a percentage of progress is received
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*
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* @param {number} percent a number between 0 and 100
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*/
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animateTo( percent ) {
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this.$progress.removeClass( 'empty' );
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this.$percent.stop();
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if ( percent === 100 ) {
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// When a 100% update comes in, we make sure that the bar is visible, we animate
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// fast to 100 and we hide the bar when the animation is done
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// FIXME: Use CSS transition
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// eslint-disable-next-line no-jquery/no-animate
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this.$percent.animate( { width: `${percent}%` }, 50, 'swing', this.hide.bind( this ) );
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} else {
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// When any other % update comes in, we make sure the bar is visible
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// and we animate to the right position
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// FIXME: Use CSS transition
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// eslint-disable-next-line no-jquery/no-animate
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this.$percent.animate( { width: `${percent}%` } );
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}
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}
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/**
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* Goes to the given percent without animation
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*
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* @param {number} percent a number between 0 and 100
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*/
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jumpTo( percent ) {
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this.$progress.removeClass( 'empty' );
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this.$percent.stop().css( { width: `${percent}%` } );
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}
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}
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module.exports = ProgressBar;
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}() );
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