mediawiki-extensions-Multim.../resources/mmv/ui/mmv.ui.progressBar.js

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/*
* This file is part of the MediaWiki extension MediaViewer.
*
* MediaViewer is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* MediaViewer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MediaViewer. If not, see <http://www.gnu.org/licenses/>.
*/
( function( mw, $, oo ) {
var PBP;
/**
* @class mw.mmv.ui.ProgressBar
* @extends mw.mmv.ui.Element
* A progress bar for the loading of the image.
* @constructor
* @param {jQuery} $container
*/
function ProgressBar( $container ) {
mw.mmv.ui.Element.call( this, $container );
this.init();
}
oo.inheritClass( ProgressBar, mw.mmv.ui.Element );
PBP = ProgressBar.prototype;
/**
* Initializes the progress display at the top of the panel.
*/
PBP.init = function () {
this.$progress = $( '<div>' )
.addClass( 'mw-mmv-progress empty' )
.appendTo( this.$container );
this.$percent = $( '<div>' )
.addClass( 'mw-mmv-progress-percent' )
.appendTo( this.$progress );
};
PBP.empty = function () {
this.$progress.addClass( 'empty' );
};
/**
* Handles the progress display when a percentage of progress is received
* @param {number} percent
*/
PBP.percent = function ( percent ) {
var panel = this;
if ( percent === 0 ) {
// When a 0% update comes in, we jump without animation to 0 and we hide the bar
this.$progress.addClass( 'empty' );
this.$percent.stop().css( { width : 0 } );
} else if ( percent === 100 ) {
// When a 100% update comes in, we make sure that the bar is visible, we animate
// fast to 100 and we hide the bar when the animation is done
this.$progress.removeClass( 'empty' );
this.$percent.stop().animate( { width : percent + '%' }, 50, 'swing',
function () {
// Reset the position for good measure
panel.$percent.stop().css( { width : 0 } );
panel.$progress.addClass( 'empty' );
} );
} else {
// When any other % update comes in, we make sure the bar is visible
// and we animate to the right position
this.$progress.removeClass( 'empty' );
this.$percent.stop().animate( { width : percent + '%' } );
}
};
mw.mmv.ui.ProgressBar = ProgressBar;
}( mediaWiki, jQuery, OO ) );