114 lines
3.0 KiB
JavaScript
114 lines
3.0 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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* @providesModule XMLHttpRequest
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* @flow
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*/
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'use strict';
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var FormData = require('FormData');
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var RCTNetworking = require('NativeModules').Networking;
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var RCTDeviceEventEmitter = require('RCTDeviceEventEmitter');
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var XMLHttpRequestBase = require('XMLHttpRequestBase');
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class XMLHttpRequest extends XMLHttpRequestBase {
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_requestId: ?number;
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_subscriptions: [any];
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constructor() {
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super();
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this._requestId = null;
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this._subscriptions = [];
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}
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_didCreateRequest(requestId: number): void {
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this._requestId = requestId;
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this._subscriptions.push(RCTDeviceEventEmitter.addListener(
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'didReceiveNetworkResponse',
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(args) => this._didReceiveResponse.call(this, args[0], args[1], args[2])
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));
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this._subscriptions.push(RCTDeviceEventEmitter.addListener(
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'didReceiveNetworkData',
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(args) => this._didReceiveData.call(this, args[0], args[1])
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));
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this._subscriptions.push(RCTDeviceEventEmitter.addListener(
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'didCompleteNetworkResponse',
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(args) => this._didCompleteResponse.call(this, args[0], args[1])
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));
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}
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_didReceiveResponse(requestId: number, status: number, responseHeaders: ?Object): void {
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if (requestId === this._requestId) {
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this.status = status;
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this.setResponseHeaders(responseHeaders);
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this.setReadyState(this.HEADERS_RECEIVED);
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}
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}
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_didReceiveData(requestId: number, responseText: string): void {
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if (requestId === this._requestId) {
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if (!this.responseText) {
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this.responseText = responseText;
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} else {
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this.responseText += responseText;
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}
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this.setReadyState(this.LOADING);
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}
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}
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_didCompleteResponse(requestId: number, error: string): void {
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if (requestId === this._requestId) {
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if (error) {
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this.responseText = error;
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}
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this._clearSubscriptions();
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this._requestId = null;
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this.setReadyState(this.DONE);
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}
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}
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_clearSubscriptions(): void {
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for (var i = 0; i < this._subscriptions.length; i++) {
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var sub = this._subscriptions[i];
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sub.remove();
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}
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this._subscriptions = [];
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}
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sendImpl(method: ?string, url: ?string, headers: Object, data: any): void {
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if (typeof data === 'string') {
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data = {string: data};
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}
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if (data instanceof FormData) {
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data = {formData: data.getParts()};
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}
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RCTNetworking.sendRequest(
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{
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method,
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url,
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data,
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headers,
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incrementalUpdates: this.onreadystatechange ? true : false,
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},
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this._didCreateRequest.bind(this)
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);
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}
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abortImpl(): void {
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if (this._requestId) {
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RCTNetworking.cancelRequest(this._requestId);
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this._clearSubscriptions();
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this._requestId = null;
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}
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}
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}
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module.exports = XMLHttpRequest;
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