source: other-projects/playing-in-the-street/summer-2013/trunk/Playing-in-the-Street-WPF/Content/Web/mrdoob-three.js-4862f5f/src/loaders/XHRLoader.js@ 28897

/**
 * @author mrdoob / http://mrdoob.com/
 */

THREE.XHRLoader = function ( manager ) {

    this.manager = ( manager !== undefined ) ? manager : THREE.DefaultLoadingManager;

};

THREE.XHRLoader.prototype = {

    constructor: THREE.XHRLoader,

    load: function ( url, onLoad, onProgress, onError ) {

        var scope = this;
        var request = new XMLHttpRequest();

        if ( onLoad !== undefined ) {

            request.addEventListener( 'load', function ( event ) {

                onLoad( event.target.responseText );
                scope.manager.itemEnd( url );

            }, false );

        }

        if ( onProgress !== undefined ) {

            request.addEventListener( 'progress', function ( event ) {

                onProgress( event );

            }, false );

        }

        if ( onError !== undefined ) {

            request.addEventListener( 'error', function ( event ) {

                onError( event );

            }, false );

        }

        if ( this.crossOrigin !== undefined ) request.crossOrigin = this.crossOrigin;

        request.open( 'GET', url, true );
        request.send( null );

        scope.manager.itemStart( url );

    },

    setCrossOrigin: function ( value ) {

        this.crossOrigin = value;

    }

};