Exemplo n.º 1
0
        public void Then(
            Delegate fulfilledHandler, Delegate errorHandler = null, Delegate progressHandler = null)
        {
            var req = new XMLHttpRequest();

            req.OnReadyStateChange = () => {
                if (req.ReadyState != AjaxReadyState.Done)
                {
                    return;
                }

                if (req.Status >= 200 && req.Status < 400)
                {
                    Logger.Debug(GetType(), "upload success");
                    fulfilledHandler?.Call(null, ResultHolder <XMLHttpRequest> .CreateSuccess(req));
                    return;
                }

                Logger.Debug(GetType(), "upload error");
                fulfilledHandler?.Call(
                    null, ResultHolder <XMLHttpRequest> .CreateFailure(req.ResponseText, null, req));
            };
            req.Open(_method, _url, true);

            req.SetRequestHeader("Cache-Control", "no-cache");
            req.SetRequestHeader("Pragma", "no-cache");

            var tzOffset = Script.Eval <string>("new Date().getTimezoneOffset() + \"\"");

            req.SetRequestHeader(Philadelphia.Common.Model.Magics.TimeZoneOffsetFieldName, tzOffset);

            try {
                var tzCode = Script.Eval <object>("Intl.DateTimeFormat().resolvedOptions().timeZone");
                if (Script.IsDefined(tzCode))
                {
                    req.SetRequestHeader(Philadelphia.Common.Model.Magics.TimeZoneCodeFieldName, tzCode.ToString());
                }
            } catch (Exception) {
                //most likely it is unsupported
                Logger.Error(GetType(), "could not determine timeZone");
            }

            if (CsrfToken != null)
            {
                req.SetRequestHeader(Philadelphia.Common.Model.Magics.CsrfTokenFieldName, CsrfToken);
            }

            if (_frmData != null)
            {
                req.Send(_frmData);
            }
            else
            {
                req.Send(_dataToPost);
            }
        }
Exemplo n.º 2
0
        public static Task <string> ReuseMediaAssetIdOrHttpGet(string urlToGet, IStorage storage, string variableName) =>
        Task.FromPromise <string>(new TypeSafePromise <string>((onSucc, onFail) => {
            var result = storage.GetStringOrNull(variableName);

            if (result != null && HasMediaAsset(result))
            {
                Logger.Debug(typeof(IawAppApi), "ReuseMediaAssetOrFetch={0} is reusable", result);
                onSucc(result);
                return;
            }

            Logger.Debug(typeof(IawAppApi), "ReuseMediaAssetOrFetch={0} is not usable", result);

            var req = new XMLHttpRequest();
            req.Open("GET", urlToGet, true);
            req.ResponseType = XMLHttpRequestResponseType.ArrayBuffer;
            req.OnLoad       = async ev => {
                var content = new Uint8Array(req.Response).ToString();
                result      = await RegisterMediaAsset(content);
                storage.Set(variableName, result);
                Logger.Debug(typeof(IawAppApi), "ReuseMediaAssetOrFetch registered {0}", result);
                onSucc(result);
            };
            req.Send(string.Empty);
        }),
                                  (Func <string, string>)(x => x));
Exemplo n.º 3
0
        public async static System.Threading.Tasks.Task <string> httpPost(string url, string username, string token, File file)
        {
            Bridge.Html5.XMLHttpRequest _http = new XMLHttpRequest();
            _http.Open("post", url, true);
            string returnv = "";

            _http.OnReadyStateChange = () =>
            {
                if (_http.ReadyState == AjaxReadyState.Done)
                {
                    returnv = _http.ResponseText;
                }
            };
            FormData formdata = new FormData();

            formdata.Append(file.Name, file);
            formdata.Append("user", username);
            formdata.Append("token", token);
            _http.Send(formdata);
            while (_http.ReadyState != AjaxReadyState.Done)
            {
                await System.Threading.Tasks.Task.Delay(100);
            }
            return(returnv);
        }
Exemplo n.º 4
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        static void HttpRequest(string url, Action <Uint8Array> CallBack, string partName)
        {
            XMLHttpRequest req = new XMLHttpRequest();

            req.ResponseType       = XMLHttpRequestResponseType.ArrayBuffer;
            req.OnReadyStateChange = () =>
            {
                if (req.ReadyState != AjaxReadyState.Done)
                {
                    return;
                }
                ArrayBuffer DownloadRes = req.Response as ArrayBuffer;
                if (DownloadRes == null)
                {
                    endWithError(partName + " download failed, check the url");
                    return;
                }
                var arr = new Uint8Array(DownloadRes);
                DownloadRes = null;
                if (arr.Length == 0)
                {
                    endWithError(string.Format(DwnErr, partName));
                    return;
                }
                CallBack(arr);
            };
            req.Open("GET", url, true);
            req.Send();
        }
Exemplo n.º 5
0
        private static object PostJsonSync(string url, Type returnType, object[] data)
        {
            var xmlHttp = new XMLHttpRequest();

            xmlHttp.Open("POST", url, false);

            var serialized = Json.Serialize(data);

            xmlHttp.Send(serialized);

            if (xmlHttp.Status == 200 || xmlHttp.Status == 304)
            {
                var json = JSON.Parse(xmlHttp.ResponseText);

                if (Script.IsDefined(json["$exception"]) && json["$exception"].As <bool>())
                {
                    throw new Exception(json["$exceptionMessage"].As <string>());
                }
                else
                {
                    var result = Json.Deserialize(xmlHttp.ResponseText, returnType);
                    return(result);
                }
            }
            else
            {
                throw new Exception("Error: " + xmlHttp.StatusText + "\n" + xmlHttp.ResponseText);
            }
        }
Exemplo n.º 6
0
        public void LoadSoundFontFromUrl(string data)
        {
            var url = data.As <string>();

            Logger.Info("AlphaSynth", "Start loading Soundfont from url " + url);
            var request = new XMLHttpRequest();

            request.Open("GET", url, true);
            request.ResponseType = XMLHttpRequestResponseType.ARRAYBUFFER;
            request.OnLoad       = (Action <Event>)(e =>
            {
                var buffer = new Uint8Array(request.Response);
                _synth.PostMessage(new { cmd = AlphaSynthWebWorker.CmdLoadSoundFontBytes, data = buffer.As <byte[]>() });
            });
            request.OnError = (Action <Event>)(e =>
            {
                Logger.Error("AlphaSynth", "Loading failed: " + e.Member <string>("message"));
                TriggerEvent("soundFontLoadFailed");
            });
            request.OnProgress = (Action <Event>)(e =>
            {
                Logger.Debug("AlphaSynth", "Soundfont downloading: " + e.Member <int>("loaded") + "/" + e.Member <int>("total") + " bytes");
                TriggerEvent("soundFontLoad", new object[] { new
                                                             {
                                                                 loaded = e.Member <int>("loaded"),
                                                                 total  = e.Member <int>("total")
                                                             } });
            });
            request.Send();
        }
Exemplo n.º 7
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        public static Task <T> FetchJson <T>(string path, Dictionary <string, string> args = null) where T : class
        {
            var tcs = new TaskCompletionSource <T>();
            var req = new XMLHttpRequest();

            req.Open("GET", path + (args != null ? "?" + EncodeUriComponents(args) : ""));
            req.OnReadyStateChange = () => {
                if (req.ReadyState != AjaxReadyState.Done)
                {
                    return;
                }
                try {
                    if (req.Status == 200)
                    {
                        tcs.SetResult(JsonConvert.DeserializeObject <T>(req.ResponseText));
                    }
                    else
                    {
                        tcs.SetException(new Exception("Response code does not indicate success: " + req.StatusText));
                    }
                } catch (Exception e) {
                    tcs.SetException(e);
                }
            };
            req.Send();
            return(tcs.Task);
        }
Exemplo n.º 8
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        public static async Task <string> GetAsync(string url)
        {
            var tcs     = new TaskCompletionSource <string>();
            var xmlHttp = new XMLHttpRequest();

            xmlHttp.Open("GET", url, true);
            xmlHttp.SetRequestHeader("Content-Type", "application/json");
            xmlHttp.OnReadyStateChange = () =>
            {
                if (xmlHttp.ReadyState == AjaxReadyState.Done)
                {
                    if (xmlHttp.Status == 200 || xmlHttp.Status == 304)
                    {
                        tcs.SetResult(xmlHttp.ResponseText);
                    }
                    else
                    {
                        tcs.SetException(new Exception(xmlHttp.ResponseText));
                    }
                }
            };

            xmlHttp.Send();
            return(await tcs.Task);
        }
Exemplo n.º 9
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        public static async Task <TResult> PostJsonAsync <TData, TResult>(PostAsyncConfig <TData> config)
        {
            var tcs     = new TaskCompletionSource <TResult>();
            var xmlHttp = new XMLHttpRequest();

            xmlHttp.Open("POST", config.Url, true);
            xmlHttp.OnReadyStateChange = () =>
            {
                if (xmlHttp.ReadyState == AjaxReadyState.Done)
                {
                    if (xmlHttp.Status == 200 || xmlHttp.Status == 304)
                    {
                        var result = JSON.Parse(xmlHttp.ResponseText);
                        tcs.SetResult(Script.Write <TResult>("result"));
                    }
                    else
                    {
                        tcs.SetException(new Exception(xmlHttp.StatusText));
                    }
                }
            };

            var stringified = JSON.Stringify(config.Data);

            xmlHttp.Send(stringified);
            return(await tcs.Task);
        }
Exemplo n.º 10
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        public void Load(string url)
        {
            if (Loaded)
            {
                Console.WriteLine("Already loaded resources!");
                return;
            }

            var request = new XMLHttpRequest();

            request.OnReadyStateChange = () =>
            {
                if (request.ReadyState != AjaxReadyState.Done)
                {
                    return;
                }

                if ((request.Status == 200) || (request.Status == 304))
                {
                    var jsonResources = JSON.Parse(request.Response.ToString()).As <JSONResources>();
                    if (jsonResources == null)
                    {
                        throw new ArgumentNullException(nameof(jsonResources));
                    }

                    var total        = jsonResources.Audio.Count() + jsonResources.Image.Count();
                    var amountLoaded = 0;

                    jsonResources.Audio.ForEach(_ => Audio.Add(_.Title, new HTMLAudioElement()
                    {
                        Src          = _.Src,
                        OnLoadedData = (e) =>
                        {
                            amountLoaded++;
                            if (amountLoaded == total)
                            {
                                Loaded = true;
                            }
                        }
                    }));
                    jsonResources.Image.ForEach(_ => Images.Add(_.Title, new HTMLImageElement()
                    {
                        Src    = _.Src,
                        OnLoad = (e) =>
                        {
                            amountLoaded++;
                            if (amountLoaded == total)
                            {
                                Loaded = true;
                            }
                        }
                    }));
                }
            };
            request.Open("GET", url);
            request.Send();
        }
Exemplo n.º 11
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        static void BeginLoadRom(string rom)
        {
            var req = new XMLHttpRequest();

            req.ResponseType = XMLHttpRequestResponseType.ArrayBuffer;
            req.Open("GET", rom);
            req.OnLoad = e => EndLoadRom(GetResponseAsByteArray(req));
            req.Send();
        }
Exemplo n.º 12
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        public static void addArduinoLightBox(HTMLBoxStructure parent, string text, string url, string json = null)
        {
            HTMLBox box = new HTMLBox(text);

            box.Action(delegate {
                Action <Event> actionError = delegate(Event e) {
                    Bridge.Console.Error("Error", e);
                    box.Color(error, 1000);
                };
                Action <Event> actionSucces = delegate(Event e) {
                    Bridge.Console.Info("Succes", e);
                    box.Color(succes, 1000);
                    Vibrate(250);
                };
                XMLHttpRequest request = new XMLHttpRequest();
                if (json != null)
                {
                    request.Open("POST", url, true);
                    request.SetRequestHeader("Content-Type", "application/json");
                    request.Timeout = 1250;
                    request.Send(json);
                }
                else
                {
                    request.Open("GET", url, true);
                    request.Timeout = 1250;
                    request.Send();
                }
                request.OnTimeout += actionError;
                request.OnAbort   += actionError;
                request.OnError   += actionError;
                request.OnLoad    += (Event e) => {
                    if (request.ResponseText.Contains("Geaccepteerd"))
                    {
                        actionSucces(e);
                    }
                    else
                    {
                        actionError(e);
                    }
                };
            });
            parent.addBox(box);
        }
Exemplo n.º 13
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        public static string loadDoc(string url, Action onReadyStateChange = null)
        {
            XMLHttpRequest doc = new XMLHttpRequest();

            doc.Open("GET", url, false);
            if (onReadyStateChange != null)
            {
                doc.OnReadyStateChange += onReadyStateChange;
            }
            doc.Send();
            return(doc.ResponseText);
        }
        public static void Open(string ArchiveFile, Action <JSONArchive> action)
        {
            XMLHttpRequest XHR = new XMLHttpRequest();

            //XHR.ResponseType = XMLHttpRequestResponseType.Blob;
            XHR.OnLoad = Evt =>
            {
                action(new JSONArchive(XHR.ResponseText));
            };
            XHR.Open("GET", ArchiveFile, false);
            XHR.Send();
            //if (XHR.Status)
        }
Exemplo n.º 15
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        public Task <HttpResponse> SetAsync(string token, string value)
        {
            var url = GetUrlWithToken(token);

            var xhr = new XMLHttpRequest();

            xhr.Open("POST", url);

            var source = GetCompletionSourceForRequest(xhr);

            xhr.Send(value);

            return(source.Task);
        }
Exemplo n.º 16
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        public static void TestProgressEventType()
        {
            var xhr  = new XMLHttpRequest();
            var done = Assert.Async();

            xhr.OnLoadEnd = ev =>
            {
                Assert.AreEqual(typeof(ulong), ((ProgressEvent)ev).Loaded.GetType(), "ProgressEvent.Loaded is ulong.");
                Assert.AreEqual(typeof(ulong), ((ProgressEvent)ev).Total.GetType(), "ProgressEvent.Total is ulong.");
                done();
            };
            xhr.Open("GET", "/");
            xhr.Send();
        }
Exemplo n.º 17
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        private void tryLoadChildFromServer()
        {
            var req = new XMLHttpRequest();

            req.OnReadyStateChange = () =>
            {
                if (req.ReadyState == AjaxReadyState.Done && req.Status == 200)
                {
                    var loader = new XamlReader();
                    this.child = loader.Parse(req.ResponseText);
                }
            };
            req.Open("GET", this.typename.Replace(".", "/") + ".xml", true);
            req.Send();
        }
Exemplo n.º 18
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        public static void UpdateButton_Click(Event e)
        {
            var request = new XMLHttpRequest();

            Action <Event> onLoad = delegate
            {
                var val      = JSON.Parse <string>(request.ResponseText);
                var dateTime = DateTime.Parse(val);

                Document.GetElementById <InputElement>("dateTimeInput").Value = dateTime.ToString("yyyy-MM-dd hh:mm:ss");
            };

            request.OnLoad = onLoad;
            request.Open("GET", Config.GET_SERVER_TIME_URL + "?" + DateTime.Now.GetTime(), true);
            request.Send();
        }
Exemplo n.º 19
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        public static Task <GitHubUser[]> GetNextUsers()
        {
            var tcs = new TaskCompletionSource <GitHubUser[]>();
            var req = new XMLHttpRequest();

            req.ResponseType = XMLHttpRequestResponseType.Json;
            req.Open("GET", "https://api.github.com/users?since=" + LastUserId);
            req.OnLoadEnd += e =>
            {
                var users = (GitHubUser[])req.Response;
                LastUserId += users.Length;
                tcs.SetResult(users);
            };
            req.Send();
            return(tcs.Task);
        }
Exemplo n.º 20
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        internal static Task <ArrayBuffer> ReadBytesAsync(string path)
        {
            var tcs = new TaskCompletionSource <ArrayBuffer>();

            if (Script.IsNode)
            {
                var fs = Script.Write <dynamic>(@"require(""fs"")");
                fs.readFile(path, new Action <object, ArrayBuffer>((err, data) => {
                    if (err != null)
                    {
                        throw new IOException();
                    }

                    tcs.SetResult(data);
                }));
            }
            else
            {
                var req = new XMLHttpRequest();
                req.Open("GET", path, true);
                req.OverrideMimeType("text/plain; charset=binary-data");
                req.Send(null);

                req.OnReadyStateChange = () => {
                    if (req.ReadyState != 4)
                    {
                        return;
                    }

                    if (req.Status != 200)
                    {
                        throw new IOException($"Status of request to {path} returned status: {req.Status}");
                    }

                    string text        = req.ResponseText;
                    var    resultArray = new Uint8Array(text.Length);
                    text.ToCharArray().ForEach((v, index, array) => resultArray[index] = (byte)(v & byte.MaxValue));
                    tcs.SetResult(resultArray.Buffer);
                };
            }

            return(tcs.Task);
        }
Exemplo n.º 21
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        public static void loadText(string url, Action <string, Bridge.Error> fun)
        {
            var req = new XMLHttpRequest();//ness

            req.Open("GET", url);
            req.OnReadyStateChange = () =>
            {
                if (req.ReadyState == Bridge.Html5.AjaxReadyState.Done)
                {
                    fun(req.ResponseText, null);
                }
            };
            req.OnError = (e) =>
            {
                var err = new Bridge.Error();
                err.Message = "onerr in req:";
                fun(null, err);            //ness
            };
            req.Send();
        }
        private string loadTextFileAjaxSync(string filePath, string mimeType)
        {
            var xmlhttp = new XMLHttpRequest();

            xmlhttp.Open("GET", filePath, false);
            if (mimeType != null)
            {
                xmlhttp.OverrideMimeType(mimeType);
            }
            xmlhttp.Send();
            if (xmlhttp.Status == 200)
            {
                return(xmlhttp.ResponseText);
            }
            else
            {
                // TODO Throw exception
                return(null);
            }
        }
Exemplo n.º 23
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        static async Task <object> PostJsonAsync(string url, Type returnType, object[] parameters)
        {
            var tcs     = new TaskCompletionSource <object>();
            var xmlHttp = new XMLHttpRequest();

            xmlHttp.Open("POST", url, true);
            xmlHttp.SetRequestHeader("Content-Type", "application/json");
            xmlHttp.OnReadyStateChange = () =>
            {
                if (xmlHttp.ReadyState == AjaxReadyState.Done)
                {
                    if (xmlHttp.Status == 200 || xmlHttp.Status == 304)
                    {
                        var json = JSON.Parse(xmlHttp.ResponseText);

                        if (json == null)
                        {
                            tcs.SetResult(null);
                        }
                        else if (Script.IsDefined(json["$exception"]) && json["$exception"].As <bool>())
                        {
                            tcs.SetException(new Exception(json["$exceptionMessage"].As <string>()));
                        }
                        else
                        {
                            var result = Json.Deserialize(xmlHttp.ResponseText, returnType);
                            tcs.SetResult(result);
                        }
                    }
                    else
                    {
                        tcs.SetException(new Exception(xmlHttp.ResponseText));
                    }
                }
            };

            var serialized = Json.Serialize(parameters);

            xmlHttp.Send(serialized);
            return(await tcs.Task);
        }
Exemplo n.º 24
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        static void Main(string[] args)
        {
            Charachter[] charachters;

            string jsonUrl = "http://hp-api.herokuapp.com/api/characters";

            XMLHttpRequest jsonData = new XMLHttpRequest();

            jsonData.Open(XMLHttpRequest.EnumMethod.Get, jsonUrl);
            jsonData.Send();

            using (StreamReader streamReader = new StreamReader(jsonData.ResponseStream))
            {
                string jsonFile          = streamReader.ReadToEnd();
                var    dateTimeConverter = new IsoDateTimeConverter {
                    DateTimeFormat = "dd-MM-yyyy"
                };

                charachters = JsonConvert.DeserializeObject <Charachter[]>(jsonFile, dateTimeConverter);
            }
        }
Exemplo n.º 25
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        public async static System.Threading.Tasks.Task <string> httpGet(string url)
        {
            Bridge.Html5.XMLHttpRequest _http = new XMLHttpRequest();
            _http.Open("get", url, true);

            string returnv = "";

            _http.OnReadyStateChange = () =>
            {
                if (_http.ReadyState == AjaxReadyState.Done)
                {
                    returnv = _http.ResponseText;
                }
            };
            _http.Send();
            while (_http.ReadyState != AjaxReadyState.Done)
            {
                await System.Threading.Tasks.Task.Delay(100);
            }
            return(returnv);
        }
Exemplo n.º 26
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        public async Task <HttpResponse> NewAsync()
        {
            var url = GetUrlWithToken("new");

            var xhr = new XMLHttpRequest();

            xhr.Open("POST", url);

            var source = GetCompletionSourceForRequest(xhr);

            xhr.Send();

            var resp = await source.Task;

            if (resp.StatusCode != 200)
            {
                return(resp);
            }

            return(new HttpResponse(200, GetTokenFromUrl(resp.Content)));
        }
Exemplo n.º 27
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        public static void Get(GetConfig config)
        {
            var http = new XMLHttpRequest();

            http.Open("GET", config.Url, true);
            http.SetRequestHeader("Content-Type", "application/json");
            http.OnReadyStateChange = () =>
            {
                if (http.ReadyState == AjaxReadyState.Done && http.Status == 200)
                {
                    config.Success(http.ResponseText);
                }

                if (http.Status == 500 || http.Status == 404)
                {
                    config.Error();
                }
            };

            http.Send();
        }
Exemplo n.º 28
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        public static void loadArrayBuffer(string url, Action <Bridge.Html5.ArrayBuffer, Bridge.Error> fun)
        {
            var req = new XMLHttpRequest();//ness

            req.Open("GET", url);
            req.ResponseType       = XMLHttpRequestResponseType.ArrayBuffer;// "arraybuffer";//ie 一定要在open之后修改responseType
            req.OnReadyStateChange = () =>
            {
                if (req.ReadyState == AjaxReadyState.Done)
                {
                    //console.log("got bin:" + typeof (req.response) + req.responseType);
                    fun(req.Response as ArrayBuffer, null);
                }
            };
            req.OnError = (e) =>
            {
                var err = new Error();
                err.Message = "onerr in req:";
                fun(null, err);                    //ness
            };
            req.Send();
        }
Exemplo n.º 29
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        public static void loadBlob(string url, Action <Blob, Error> fun)
        {
            var req = new XMLHttpRequest();//ness

            req.Open("GET", url);
            req.ResponseType       = XMLHttpRequestResponseType.Blob;// "blob";//ie 一定要在open之后修改responseType
            req.OnReadyStateChange = () =>
            {
                if (req.ReadyState == AjaxReadyState.Done)
                {
                    //console.log("got _blob:" + typeof (req.response) + req.responseType);
                    fun(req.Response as Blob, null);
                }
            };
            req.OnError = (e) =>
            {
                var err = new Error();
                err.Message = "onerr in req:";
                fun(null, err);                    //ness
            };
            req.Send();
        }
Exemplo n.º 30
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        public static void HttpRequest(string url, Action <string> CallBack, string partName)
        {
            XMLHttpRequest req = new XMLHttpRequest();

            req.ResponseType       = XMLHttpRequestResponseType.String;
            req.OnReadyStateChange = () =>
            {
                if (req.ReadyState != AjaxReadyState.Done)
                {
                    return;
                }
                string DownloadRes = req.Response as string;
                if (DownloadRes == null || DownloadRes.Length == 0)
                {
                    endWithError(string.Format(DwnErr, partName));
                    return;
                }
                CallBack(DownloadRes);
            };
            req.Open("GET", url, true);
            req.Send();
        }
Exemplo n.º 31
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        //*** Device Ready Code *******************
        //This event handler is fired once the AppMobi libraries are ready
        public static void DeviceReady(XdkDeviceEvent evt)
        {
            //use AppMobi viewport
            Xdk.display.UseViewport(iPortraitWidth, iLandscapeWidth);

            //lock orientation
            Xdk.device.SetRotateOrientation(XdkDeviceOrientation.Portrait);
            Xdk.device.SetAutoRotate(false);

            //manage power
            Xdk.device.ManagePower(true, false);

            try
            {
                //for playing podcasts
                Xdk.OnPlayerAudioStop += OnPodcastComplete;
                Xdk.OnPlayerAudioError += OnPodcastError;
            }
            catch (JsError e) { }

            //hide splash screen
            Xdk.device.HideSplashScreen();

            if (Xdk.device.appmobiVersion != "3.2.4")
            {
                Xdk.device.GetRemoteData(podcastRSSURL, GetPost.GET, "", "DataLoaded", "DataFailed");
            }
            else
            {
                //********* Use XMLHTTP on an error ***************
                try
                {
                    XMLHttpRequest xmlhttp = new XMLHttpRequest(); // instantiate it
                    xmlhttp.OnReadyStateChange += delegate(XMLHttpRequestEvent evt_delegate)
                    {
                        if (xmlhttp.readyState == XMLHttpRequestState.DONE)
                        {

                            if (xmlhttp.status == 200 || xmlhttp.responseText != "")
                            {
                                //XML file read, now parse it
                                DataLoaded(xmlhttp.responseText);
                            }
                        }
                    };
                    try
                    {
                        xmlhttp.Open(GetPost.GET, podcastRSSURL); // open server interface
                    }
                    catch (JsError err)
                    {
                        Alert("XMLHttpRequest.open() failed.\n" + err.message + " \n URL : " + podcastRSSURL); //Permission Denied
                        return;
                    }
                    xmlhttp.Send(@null as JsString);
                }
                catch (JsError err)
                {
                    Alert("Error initializing XMLHttpRequest.\n" + err); // show error
                }

                //***************************************
            }
        }