three.fbo-helper
Version:
FrameBuffer Object inspector for three.js
132 lines (70 loc) • 2.31 kB
JavaScript
import { Cache } from './Cache';
import { DefaultLoadingManager } from './LoadingManager';
/**
* @author mrdoob / http://mrdoob.com/
*/
function XHRLoader( manager ) {
this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;
}
Object.assign( XHRLoader.prototype, {
load: function ( url, onLoad, onProgress, onError ) {
if ( this.path !== undefined ) url = this.path + url;
var scope = this;
var cached = Cache.get( url );
if ( cached !== undefined ) {
scope.manager.itemStart( url );
setTimeout( function () {
if ( onLoad ) onLoad( cached );
scope.manager.itemEnd( url );
}, 0 );
return cached;
}
var request = new XMLHttpRequest();
request.open( 'GET', url, true );
request.addEventListener( 'load', function ( event ) {
var response = event.target.response;
Cache.add( url, response );
if ( this.status === 200 ) {
if ( onLoad ) onLoad( response );
scope.manager.itemEnd( url );
} else if ( this.status === 0 ) {
// Some browsers return HTTP Status 0 when using non-http protocol
// e.g. 'file://' or 'data://'. Handle as success.
console.warn( 'THREE.XHRLoader: HTTP Status 0 received.' );
if ( onLoad ) onLoad( response );
scope.manager.itemEnd( url );
} else {
if ( onError ) onError( event );
scope.manager.itemError( url );
}
}, false );
if ( onProgress !== undefined ) {
request.addEventListener( 'progress', function ( event ) {
onProgress( event );
}, false );
}
request.addEventListener( 'error', function ( event ) {
if ( onError ) onError( event );
scope.manager.itemError( url );
}, false );
if ( this.responseType !== undefined ) request.responseType = this.responseType;
if ( this.withCredentials !== undefined ) request.withCredentials = this.withCredentials;
if ( request.overrideMimeType ) request.overrideMimeType( 'text/plain' );
request.send( null );
scope.manager.itemStart( url );
return request;
},
setPath: function ( value ) {
this.path = value;
return this;
},
setResponseType: function ( value ) {
this.responseType = value;
return this;
},
setWithCredentials: function ( value ) {
this.withCredentials = value;
return this;
}
} );
export { XHRLoader };