// called by
// X:\jsc.svn\core\ScriptCoreLib.Ultra\ScriptCoreLib.Ultra\JavaScript\Remoting\InternalWebMethodRequest.cs
public Task<byte[]> UploadValuesTaskAsync(Uri address, NameValueCollection data)
{
//Console.WriteLine("enter WebClient.UploadValuesTaskAsync! " + new { address });
// Z:\jsc.svn\examples\javascript\Test\TestAfterInvokeResponseHeaders\ApplicationWebService.cs
// https://sites.google.com/a/jsc-solutions.net/backlog/knowledge-base/2015/201511/20151123/uploadvaluestaskasync
// https://sites.google.com/a/jsc-solutions.net/backlog/knowledge-base/2015/201511/20151123/ubuntumidexperiment
var r = new TaskCompletionSource<byte[]> { };
// Z:\jsc.svn\examples\javascript\ubuntu\Test\UbuntuTestUploadValues\Application.cs
// "Z:\jsc.svn\examples\javascript\ubuntu\Test\UbuntuTestUserHostAddress\UbuntuTestUserHostAddress.sln"
// http://stackoverflow.com/questions/9713058/sending-post-data-with-a-xmlhttprequest
// https://sites.google.com/a/jsc-solutions.net/backlog/knowledge-base/2014/201401/20140119
// http://stackoverflow.com/questions/8286934/post-formdata-via-xmlhttprequest-object-in-js-cross-browser
// http://stackoverflow.com/questions/16917772/ie-lags-on-sending-post-data
// http://robertnyman.com/2013/02/11/using-formdata-to-send-forms-with-xhr-as-keyvalue-pairs/
// https://blog.yorkxin.org/posts/2014/02/06/ajax-with-formdata-is-broken-on-ie10-ie11/
var x = new IXMLHttpRequest();
// InvalidStateException
//x.withCredentials = true;
x.open(Shared.HTTPMethodEnum.POST, address.ToString(), async: true);
x.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
var xFormDataString = ToFormDataString(data);
//Uncaught InvalidStateError: Failed to execute 'send' on 'XMLHttpRequest': the object's state must be OPENED.
// X:\jsc.svn\examples\javascript\Test\TestUploadValuesAsync\TestUploadValuesAsync\Application.cs
// UploadValuesAsync { responseType = , response = <document><TaskComplete><TaskResult>13</TaskResult></TaskComplete></document> }
x.InvokeOnComplete(
delegate
{
//Console.WriteLine("after WebClient.UploadValuesTaskAsync! " + new { address });
#region complete
var response = new byte[0];
// UploadValuesAsync { status = 204, responseType = arraybuffer, response = [object Uint8ClampedArray] }
//if (x.status == 204)
// 304?
//if (x.status == IXMLHttpRequest.HTTPStatusCodes.NoContent)
//{
// // android webview wants us to do this
// response = new byte[0];
//}
//Uncaught InvalidStateError: Failed to read the 'responseText' property from 'XMLHttpRequest':
// The value is only accessible if the object's 'responseType' is '' or 'text' (was 'arraybuffer').
// X:\jsc.svn\examples\javascript\android\com.abstractatech.battery\com.abstractatech.battery\ApplicationWebService.cs
//Console.WriteLine("UploadValuesAsync " + new { x.status, x.responseType });
//I/chromium(10616): [INFO:CONSOLE(36216)] "%c0:576ms UploadValuesAsync { status = 204, responseType = arraybuffer }", source: http://192.168.1.103:10129/view-source (36216)
//I/chromium(10616): [INFO:CONSOLE(49940)] "Uncaught InvalidStateError: An attempt was made to use an object that is not, or is no longer, usable.", source: http://192.168.1.103:10129/view-source (49940)
// what about android webview?
if (x.response == null)
{
//Console.WriteLine("UploadValuesAsync " + new { x.status, x.responseType, x.response, x.responseText });
//I/Web Console( 5012): %c0:198484ms UploadValuesAsync { status = 200, responseType = arraybuffer } at http://192.168.43.1:9417/view-source:37081
//I/Web Console( 5012): %c0:198500ms UploadValuesAsync { status = 200, responseType = arraybuffer, response = , responseText = <document><avatar><obj>aHR0cDovL3d3dy5ncmF2YXRhci5jb20vYXZhdGFyLzhlNmQzZGUw
//I/Web Console( 5012): %c0:198524ms InternalWebMethodRequest.Complete { Name = Gravatar, Length = 0 } at http://192.168.43.1:9417/view-source:37081
// did we not fix it already?
// android 2.3 only seems to have responseText
// https://sites.google.com/a/jsc-solutions.net/backlog/knowledge-base/2014/201404/20140413
try
{
response = Encoding.UTF8.GetBytes(x.responseText);
}
catch
{
//I/chromium(30556): [INFO:CONSOLE(37861)] "%c92:28288ms UploadValuesAsync { status = 204, responseType = arraybuffer }", source: http://192.168.43.7:4394/view-source (37861)
//I/chromium(30556): [INFO:CONSOLE(37861)] "%c92:28290ms responseText failed. thanks webview devs. { status = 204 }", source: http://192.168.43.7:4394/view-source (37861)
// X:\jsc.svn\examples\javascript\p2p\SharedBrowserSessionExperiment\SharedBrowserSessionExperiment\ApplicationWebService.cs
Console.WriteLine("responseText failed? " + new { x.status });
}
}
else
{
// http://stackoverflow.com/questions/8022425/getting-blob-data-from-xhr-request
var a = (ArrayBuffer)x.response;
//Console.WriteLine("UploadValuesAsync " + new { x.status, x.responseType, a.byteLength });
// IE?
//var u8 = new Uint8Array(array: a);
// X:\jsc.svn\core\ScriptCoreLib.Async\ScriptCoreLib.Async\JavaScript\DOM\FileEntryAsyncExtensions.cs
var u8c = new Uint8ClampedArray(array: a);
response = u8c;
}
//Console.WriteLine("UploadValuesAsync " + new { x.status, x.responseType, response });
#region ResponseHeaders
this.ResponseHeaders = new WebHeaderCollection();
//this.ResponseHeaders.Clear();
var ResponseHeaders = x.getAllResponseHeaders();
// Z:\jsc.svn\examples\javascript\Test\TestAfterInvokeResponseHeaders\ApplicationWebService.cs
//Console.WriteLine("after WebClient.UploadValuesTaskAsync! " + new { ResponseHeaders });
//0:8209ms { ResponseHeaders = Date: Sat, 15 Mar 2014 12:25:45 GMT
//Server: ASP.NET Development Server/11.0.0.0
//X-AspNet-Version: 4.0.30319
//ETag: BqShORsRkdny750pWBdVyQ==
//X-ElapsedMilliseconds: 10
//Content-Type: text/xml; charset=utf-8
//Access-Control-Allow-Origin: *
//Cache-Control: private
//Connection: Close
//Content-Length: 239
foreach (var item in ResponseHeaders.Split('\n'))
{
var u = item.IndexOf(":");
if (u > 0)
{
var ukey = item.Substring(0, u);
var uvalue = item.Substring(u + 1).Trim();
//Console.WriteLine(new { ukey, uvalue });
this.ResponseHeaders[ukey] = uvalue;
}
}
#endregion
//Console.WriteLine(new { ResponseHeaders });
r.SetResult(response);
#endregion
}
);
x.responseType = "arraybuffer";
// Z:\jsc.svn\examples\javascript\ubuntu\UbuntuSSLWebApplication\UbuntuSSLWebApplication\Application.cs
// allow basejump?
// breaks Task<> call?
//x.responseType = "text";
// is IE actually sending it? or is our server decoding it wrong?
//Console.WriteLine("WebClient.UploadValuesAsync IXMLHttpRequest " + new { xFormDataString });
x.send(xFormDataString);
return r.Task;
}