dragonbones-runtime
Version:
the tools to build dragonbones file for diffrent framework
253 lines (227 loc) • 9.16 kB
text/typescript
//////////////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2014-present, Egret Technology.
// All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of the Egret nor the
// names of its contributors may be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY EGRET AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL EGRET AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;LOSS OF USE, DATA,
// OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//////////////////////////////////////////////////////////////////////////////////////
namespace egret.native {
/**
* @private
*/
export class NativeHttpRequest extends EventDispatcher implements HttpRequest {
/**
* @private
*/
public constructor() {
super();
}
private _response:string;
/**
* @private
* 本次请求返回的数据，数据类型根据responseType设置的值确定。
*/
public get response():any {
return this._response;
}
/**
* @private
*/
private _responseType:string;
/**
* @private
* 设置返回的数据格式，请使用 HttpResponseType 里定义的枚举值。设置非法的值或不设置，都将使用HttpResponseType.TEXT。
*/
public get responseType():string {
return this._responseType;
}
public set responseType(value:string) {
this._responseType = value;
}
/**
* @private
*/
private _withCredentials:boolean;
/**
* @private
* 表明在进行跨站(cross-site)的访问控制(Access-Control)请求时，是否使用认证信息(例如cookie或授权的header)。 默认为 false。(这个标志不会影响同站的请求)
*/
public get withCredentials():boolean {
return this._withCredentials;
}
public set withCredentials(value:boolean) {
this._withCredentials = value;
}
/**
* @private
*/
private _url:string = "";
private _method:string = "";
/**
* @private
* 初始化一个请求.注意，若在已经发出请求的对象上调用此方法，相当于立即调用abort().
* @param url 该请求所要访问的URL该请求所要访问的URL
* @param method 请求所使用的HTTP方法， 请使用 HttpMethod 定义的枚举值.
*/
public open(url:string, method:string = "GET"):void {
this._url = url;
this._method = method;
}
/**
* @private
*/
private urlData:any = {};
/**
* @private
* 发送请求.
* @param data 需要发送的数据
*/
public send(data?:any):void {
let self = this;
if (self.isNetUrl(self._url)) {//网络请求
self.urlData.type = self._method;
//写入POST数据
if (self._method == HttpMethod.POST && data) {
if(data instanceof ArrayBuffer) {
self.urlData.data = data;
}
else {
self.urlData.data = data.toString();
}
}
else {
delete self.urlData["data"];
}
if (self._responseType == HttpResponseType.ARRAY_BUFFER) {
self.urlData.binary = true;
}
else {
self.urlData.header = false;
}
//写入header信息
if (this.headerObj) {
self.urlData.header = JSON.stringify(this.headerObj);
}
else {
delete self.urlData.header;
}
let promise = PromiseObject.create();
promise.onSuccessFunc = function (getted_str) {
self._response = getted_str;
$callAsync(egret.Event.dispatchEvent, egret.Event, self, egret.Event.COMPLETE);
};
promise.onErrorFunc = function (error_code) {
$warn(1019, error_code);
Event.dispatchEvent(self, IOErrorEvent.IO_ERROR);
};
promise.onResponseHeaderFunc = this.onResponseHeader;
promise.onResponseHeaderThisObject = this;
egret_native.requireHttp(self._url, self.urlData, promise);
}
else if (!egret_native.isFileExists(self._url)) {
download();
}
else {
readFileAsync();
}
function readFileAsync() {
let promise = new egret.PromiseObject();
promise.onSuccessFunc = function (content) {
self._response = content;
Event.dispatchEvent(self, Event.COMPLETE);
};
promise.onErrorFunc = function () {
Event.dispatchEvent(self, IOErrorEvent.IO_ERROR);
};
if (self._responseType == HttpResponseType.ARRAY_BUFFER) {
egret_native.readFileAsync(self._url, promise, "ArrayBuffer");
}
else {
egret_native.readFileAsync(self._url, promise);
}
}
function download() {
let promise = PromiseObject.create();
promise.onSuccessFunc = readFileAsync;
promise.onErrorFunc = function () {
Event.dispatchEvent(self, IOErrorEvent.IO_ERROR);
};
promise.onResponseHeaderFunc = this.onResponseHeader;
promise.onResponseHeaderThisObject = this;
egret_native.download(self._url, self._url, promise);
}
}
/**
* 是否是网络地址
* @param url
* @returns {boolean}
*/
private isNetUrl(url:string):boolean {
return url.indexOf("http://") != -1 || url.indexOf("HTTP://") != -1 || url.indexOf("https://") != -1 || url.indexOf("HTTPS://") != -1;
}
/**
* @private
* 如果请求已经被发送,则立刻中止请求.
*/
public abort():void {
}
private responseHeader:string = "";
private onResponseHeader(headers:string):void {
this.responseHeader = "";
let obj = JSON.parse(headers);
for(let key in obj) {
this.responseHeader += key + ": " + obj[key] + "\r\n";
}
}
/**
* @private
* 返回所有响应头信息(响应头名和值), 如果响应头还没接受,则返回"".
*/
public getAllResponseHeaders():string {
return this.responseHeader;
}
private headerObj:any;
/**
* @private
* 给指定的HTTP请求头赋值.在这之前,您必须确认已经调用 open() 方法打开了一个url.
* @param header 将要被赋值的请求头名称.
* @param value 给指定的请求头赋的值.
*/
public setRequestHeader(header:string, value:string):void {
if(!this.headerObj) {
this.headerObj = {};
}
this.headerObj[header] = value;
}
/**
* @private
* 返回指定的响应头的值, 如果响应头还没被接受,或该响应头不存在,则返回"".
* @param header 要返回的响应头名称
*/
public getResponseHeader(header:string):string {
return "";
}
}
HttpRequest = NativeHttpRequest;
}