public static Task WriteAllBytes(this DirectoryEntry that, string filename, Blob bytes)
{
// can do up to 120 files?
// not disposing blob?
var c = new TaskCompletionSource <DirectoryEntry>();
//Blob blob = bytes;
that.getFile(
//"0000.jpg",
filename,
new
{
create = true,
exclusive = false
},
fentry =>
{
// {{ fentry = [object FileEntry] }}
//new IHTMLPre { new { fentry } }.AttachToDocument();
fentry.createWriter(
w =>
{
//new IHTMLPre { new { w } }.AttachToDocument();
// new Blob([document.getElementById("HTMLFile").value],
//{ type: 'text/plain'}
//var blob = new Blob(
// blobParts: new ArrayBufferView[] { fileBytes },
// options: new { type = "application/octet-stream" }
//);
// http://stackoverflow.com/questions/12168909/blob-from-dataurl
//w.write(fileBytes);
//w.write(bytes);
////w.write()
//// ready?
//c.SetResult(that);
w.onerror = new Action(
delegate
{
// https://developer.mozilla.org/en-US/docs/Web/API/FileError
Console.WriteLine("WriteAllBytes onerror " + new { w.error, w.error.code });
}
);
w.onwriteend = new Action(
delegate
{
var position = w.position;
Console.WriteLine("WriteAllBytes " + new { filename, position, bytes.size });
if (position < (long)bytes.size)
{
Console.WriteLine("what happened? retry?");
if (position == 0)
{
Native.setTimeout(
delegate
{
Console.WriteLine("what happened? retry!");
w.write(bytes);
}, 3000
);
}
return;
}
// https://groups.google.com/a/chromium.org/forum/#!topic/chromium-html5/6Behx6zrbCI
Console.WriteLine("WriteAllBytes Blob close");
// https://code.google.com/p/chromium/issues/detail?id=404301
// chrome://blob-internals/
//bytes.close();
bytes = null;
//w.truncate(w.position);
w = null;
// need it?
//Native.window.requestAnimationFrame += delegate
Console.WriteLine("WriteAllBytes yield");
c.SetResult(that);
}
);
w.write(bytes);
}
);
}
);
return(c.Task);
}
//public static Task WriteAllBytes(this DirectoryEntry that, string filename, WebGL.WebGLRenderingContext gl)
//{
//}
public static Task WriteAllBytes(this DirectoryEntry that, string filename, IHTMLCanvas canvas)
{
// 754986ms WriteAllBytes { filename = 00272.png, position = 3101246, size = 3101246 }
//view-source:63706 FileError is deprecated. Please use the 'name' or 'message' attributes of DOMError rather than 'code'.
//view-source:54105 757622ms WriteAllBytes onerror { code = 7, message = An operation that depends on state cached in an interface object was made but the state had changed since it was read from disk., error = [object FileError] }
//view-source:54105 757623ms out of files?
//view-source:54105 757624ms WriteAllBytes { filename = 00273.png, position = 0, size = 3143207 }
//view-source:54105 757624ms what happened? retry?
//view-source:54105 760625ms what happened? retry!
//view-source:54105 760626ms what happened? retry! retry7?
//view-source:38832 Uncaught TypeError: Cannot read property 'toDataURL' of null
//var data = canvas.toDataURL();
// Z:\jsc.svn\examples\javascript\chrome\apps\WebGL\360\x360eiffieballs\Application.cs
//Z:\jsc.svn\examples\javascript\chrome\apps\WebGL\360\x360x83\Application.cs
// 8K img png will be 50mb
//var data = canvas.toDataURL(quality: 0.9);
var data = canvas.toDataURL(quality: 1.0);
//var data = canvas.toDataURL(quality: 0.1);
// Z:\jsc.svn\examples\javascript\chrome\apps\WebGL\360stereo\x360stereotransition\Application.cs
var prefix = "base64,";
var fileBytes = System.Convert.FromBase64String(
data.Substring(data.IndexOf(prefix) + prefix.Length));
// https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/jcrEI_jfYFs
// this blob wont delete?
bytes = new Blob(
blobParts: new ArrayBufferView[] { fileBytes },
options: new { type = "application/octet-stream;" + filename }
);
fileBytes = null;
data = null;
//canvas = null;
var c = new TaskCompletionSource <DirectoryEntry>();
// can do up to 120 files?
// not disposing blob?
//Blob blob = bytes;
that.getFile(
//"0000.jpg",
filename,
new
{
create = true,
exclusive = false
},
fentry =>
{
// {{ fentry = [object FileEntry] }}
//new IHTMLPre { new { fentry } }.AttachToDocument();
fentry.createWriter(
w =>
{
//new IHTMLPre { new { w } }.AttachToDocument();
// new Blob([document.getElementById("HTMLFile").value],
//{ type: 'text/plain'}
//var blob = new Blob(
// blobParts: new ArrayBufferView[] { fileBytes },
// options: new { type = "application/octet-stream" }
//);
// http://stackoverflow.com/questions/12168909/blob-from-dataurl
//w.write(fileBytes);
//w.write(bytes);
////w.write()
//// ready?
var retry7 = false;
//c.SetResult(that);
//WriteAllBytes onerror { error = [object FileError], code = 7 }
w.onerror = new Action(
delegate
{
// https://developer.mozilla.org/en-US/docs/Web/API/FileError
Console.WriteLine("WriteAllBytes onerror " + new { w.error.code, w.error.message, w.error });
if (w.error.code == 7)
{
Console.WriteLine("out of files? " + new { filename });
//https://code.google.com/p/chromium/issues/detail?id=83736
retry7 = true;
}
}
);
//1063359ms WriteAllBytes onerror { code = 7, message = An operation that depends on state cached in an interface object was made but the state had changed since it was read from disk., error = [object FileError] }
//view-source:54104 1063360ms out of files?
//view-source:54104 1063361ms WriteAllBytes { filename = 00265.png, position = 0, size = 3058562 }
//view-source:54104 1063361ms what happened? retry?
//view-source:54104 1066363ms what happened? retry!
w.onwriteend = new Action(
delegate
{
var position = w.position;
Console.WriteLine("onwriteend WriteAllBytes " + new { filename, position, bytes.size });
if (position < (long)bytes.size)
{
Console.WriteLine("what happened? retry? " + new { filename });
if (position == 0)
{
Native.setTimeout(
delegate
{
if (retry7)
{
Console.WriteLine("what happened? retry7? " + new { filename });
WriteAllBytes(that, filename, canvas).ContinueWith(
delegate
{
Console.WriteLine("what happened? retry7! " + new { filename });
c.SetResult(that);
fentry = null;
}
);
return;
}
Console.WriteLine("what happened? retry! " + new { filename });
w.write(bytes);
}, 5000
);
}
return;
}
// https://groups.google.com/a/chromium.org/forum/#!topic/chromium-html5/6Behx6zrbCI
//Console.WriteLine("WriteAllBytes Blob close");
// https://code.google.com/p/chromium/issues/detail?id=404301
// chrome://blob-internals/
//bytes.close();
bytes = null;
//w.truncate(w.position);
w = null;
// need it?
//Native.window.requestAnimationFrame += delegate
//Console.WriteLine("WriteAllBytes yield");
c.SetResult(that);
fentry = null;
}
);
w.write(bytes);
}
);
}
);
return(c.Task);
}