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// Copyright © 2010-2016 The CefSharp Authors. All rights reserved.
//
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
using System;
using System.Linq;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using CefSharp.Example.Properties;
namespace CefSharp.Example
{
internal class CefSharpSchemeHandler : IResourceHandler
{
private static readonly IDictionary<string, string> ResourceDictionary;
private string mimeType;
private MemoryStream stream;
static CefSharpSchemeHandler()
{
ResourceDictionary = new Dictionary<string, string>
{
{ "/home.html", Resources.home_html },
{ "/assets/css/shCore.css", Resources.assets_css_shCore_css },
{ "/assets/css/shCoreDefault.css", Resources.assets_css_shCoreDefault_css },
{ "/assets/css/docs.css", Resources.assets_css_docs_css },
{ "/assets/js/application.js", Resources.assets_js_application_js },
{ "/assets/js/jquery.js", Resources.assets_js_jquery_js },
{ "/assets/js/shBrushCSharp.js", Resources.assets_js_shBrushCSharp_js },
{ "/assets/js/shBrushJScript.js", Resources.assets_js_shBrushJScript_js },
{ "/assets/js/shCore.js", Resources.assets_js_shCore_js },
{ "/bootstrap/bootstrap-theme.min.css", Resources.bootstrap_theme_min_css },
{ "/bootstrap/bootstrap.min.css", Resources.bootstrap_min_css },
{ "/bootstrap/bootstrap.min.js", Resources.bootstrap_min_js },
{ "/BindingTest.html", Resources.BindingTest },
{ "/ExceptionTest.html", Resources.ExceptionTest },
{ "/PopupTest.html", Resources.PopupTest },
{ "/SchemeTest.html", Resources.SchemeTest },
{ "/TooltipTest.html", Resources.TooltipTest },
{ "/FramedWebGLTest.html", Resources.FramedWebGLTest },
{ "/MultiBindingTest.html", Resources.MultiBindingTest },
{ "/ScriptedMethodsTest.html", Resources.ScriptedMethodsTest },
{ "/ResponseFilterTest.html", Resources.ResponseFilterTest },
{ "/DraggableRegionTest.html", Resources.DraggableRegionTest },
{ "/CssAnimationTest.html", Resources.CssAnimation },
{ "/CdmSupportTest.html", Resources.CdmSupportTest }
};
}
bool IResourceHandler.ProcessRequest(IRequest request, ICallback callback)
{
// The 'host' portion is entirely ignored by this scheme handler.
var uri = new Uri(request.Url);
var fileName = uri.AbsolutePath;
if (string.Equals(fileName, "/PostDataTest.html", StringComparison.OrdinalIgnoreCase))
{
var postDataElement = request.PostData.Elements.FirstOrDefault();
var resourceHandler = ResourceHandler.FromString("Post Data: " + (postDataElement == null ? "null" : postDataElement.GetBody()));
stream = (MemoryStream)resourceHandler.Stream;
mimeType = "text/html";
callback.Continue();
return true;
}
if (string.Equals(fileName, "/PostDataAjaxTest.html", StringComparison.OrdinalIgnoreCase))
{
var postData = request.PostData;
if (postData == null)
{
var resourceHandler = ResourceHandler.FromString("Post Data: null");
stream = (MemoryStream)resourceHandler.Stream;
mimeType = "text/html";
callback.Continue();
}
else
{
var postDataElement = postData.Elements.FirstOrDefault();
var resourceHandler = ResourceHandler.FromString("Post Data: " + (postDataElement == null ? "null" : postDataElement.GetBody()));
stream = (MemoryStream)resourceHandler.Stream;
mimeType = "text/html";
callback.Continue();
}
return true;
}
if (string.Equals(fileName, "/EmptyResponseFilterTest.html", StringComparison.OrdinalIgnoreCase))
{
stream = null;
mimeType = "text/html";
callback.Continue();
return true;
}
string resource;
if (ResourceDictionary.TryGetValue(fileName, out resource) && !string.IsNullOrEmpty(resource))
{
Task.Run(() =>
{
using (callback)
{
var bytes = Encoding.UTF8.GetBytes(resource);
stream = new MemoryStream(bytes);
var fileExtension = Path.GetExtension(fileName);
mimeType = ResourceHandler.GetMimeType(fileExtension);
callback.Continue();
}
});
return true;
}
else
{
callback.Dispose();
}
return false;
}
void IResourceHandler.GetResponseHeaders(IResponse response, out long responseLength, out string redirectUrl)
{
responseLength = stream == null ? 0 : stream.Length;
redirectUrl = null;
response.StatusCode = (int)HttpStatusCode.OK;
response.StatusText = "OK";
response.MimeType = mimeType;
}
bool IResourceHandler.ReadResponse(Stream dataOut, out int bytesRead, ICallback callback)
{
//Dispose the callback as it's an unmanaged resource, we don't need it in this case
callback.Dispose();
if(stream == null)
{
bytesRead = 0;
return false;
}
//Data out represents an underlying buffer (typically 32kb in size).
var buffer = new byte[dataOut.Length];
bytesRead = stream.Read(buffer, 0, buffer.Length);
dataOut.Write(buffer, 0, buffer.Length);
return bytesRead > 0;
}
bool IResourceHandler.CanGetCookie(Cookie cookie)
{
return true;
}
bool IResourceHandler.CanSetCookie(Cookie cookie)
{
return true;
}
void IResourceHandler.Cancel()
{
}
void IDisposable.Dispose()
{
}
}
}