1 files changed, 93 insertions, 0 deletions
diff --git a/www/wiki/extensions/MultimediaViewer/resources/mmv/ui/mmv.ui.progressBar.js b/www/wiki/extensions/MultimediaViewer/resources/mmv/ui/mmv.ui.progressBar.js
new file mode 100644
index 00000000..c34a27d4
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+++ b/www/wiki/extensions/MultimediaViewer/resources/mmv/ui/mmv.ui.progressBar.js
@@ -0,0 +1,93 @@
+/*
+ * 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;
+
+	/**
+	 * A progress bar for the loading of the image.
+	 *
+	 * @class mw.mmv.ui.ProgressBar
+	 * @extends mw.mmv.ui.Element
+	 * @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.hide();
+	};
+
+	/**
+	 * Hides the bar, resets it to 0 and stops any animation in progress.
+	 */
+	PBP.hide = function () {
+		this.$progress.addClass( 'empty' );
+		this.$percent.stop().css( { width: 0 } );
+	};
+
+	/**
+	 * Handles the progress display when a percentage of progress is received
+	 *
+	 * @param {number} percent a number between 0 and 100
+	 */
+	PBP.animateTo = function ( percent ) {
+		var panel = this;
+
+		this.$progress.removeClass( 'empty' );
+		this.$percent.stop();
+
+		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.$percent.animate( { width: percent + '%' }, 50, 'swing', $.proxy( panel.hide, panel ) );
+		} else {
+			// When any other % update comes in, we make sure the bar is visible
+			// and we animate to the right position
+			this.$percent.animate( { width: percent + '%' } );
+		}
+	};
+
+	/**
+	 * Goes to the given percent without animation
+	 *
+	 * @param {number} percent a number between 0 and 100
+	 */
+	PBP.jumpTo = function ( percent ) {
+		this.$progress.removeClass( 'empty' );
+		this.$percent.stop().css( { width: percent + '%' } );
+	};
+
+	mw.mmv.ui.ProgressBar = ProgressBar;
+}( mediaWiki, jQuery, OO ) );