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2020-06-10 a610f2ab6e543d2cb78c1ef212ac6a74ddc067d9
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// Copyright © 2015 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.
 
#include "Stdafx.h"
#include "RequestContext.h"
 
#include "include\cef_parser.h"
 
//For the x86 version we define and undefine CEF_INCLUDE_BASE_INTERNAL_CEF_BIND_INTERNAL_WIN_H_
//as the /clr compliation option attempts to be helpful and convers all the __fastcall versions
//to __stdcall which already exist, so we just use the standard calling convention and ignore
//the optimised ones. The original error is
//warning C4561: '__fastcall' incompatible with the '/clr' option: converting to '__stdcall'
//(compiling source file RequestContext.cpp) 
#define CEF_INCLUDE_BASE_INTERNAL_CEF_BIND_INTERNAL_WIN_H_
#include "include\base\cef_bind.h"
#undef CEF_INCLUDE_BASE_INTERNAL_CEF_BIND_INTERNAL_WIN_H_
 
#include "include\wrapper\cef_closure_task.h"
 
#include "CookieManager.h"
#include "Internals\CefSchemeHandlerFactoryAdapter.h"
#include "Internals\CefCompletionCallbackAdapter.h"
#include "Internals\CefExtensionWrapper.h"
#include "Internals\CefExtensionHandlerAdapter.h"
#include "Internals\CefResolveCallbackAdapter.h"
#include "Internals\TypeConversion.h"
 
using namespace System::Runtime::InteropServices;
 
namespace CefSharp
{
    bool RequestContext::IsSame(IRequestContext^ context)
    {
        ThrowIfDisposed();
 
        auto requestContext = (RequestContext^)context;
 
        return _requestContext->IsSame(requestContext);
    }
 
    bool RequestContext::IsSharingWith(IRequestContext^ context)
    {
        ThrowIfDisposed();
 
        auto requestContext = (RequestContext^)context;
 
        return _requestContext->IsSharingWith(requestContext);
    }
 
    ICookieManager^ RequestContext::GetCookieManager(ICompletionCallback^ callback)
    {
        ThrowIfDisposed();
 
        CefRefPtr<CefCompletionCallback> wrapper = callback == nullptr ? NULL : new CefCompletionCallbackAdapter(callback);
 
        auto cookieManager = _requestContext->GetCookieManager(wrapper);
        if (cookieManager.get())
        {
            return gcnew CookieManager(cookieManager);
        }
        return nullptr;
    }
 
    bool RequestContext::RegisterSchemeHandlerFactory(String^ schemeName, String^ domainName, ISchemeHandlerFactory^ factory)
    {
        ThrowIfDisposed();
 
        auto wrapper = new CefSchemeHandlerFactoryAdapter(factory);
        return _requestContext->RegisterSchemeHandlerFactory(StringUtils::ToNative(schemeName), StringUtils::ToNative(domainName), wrapper);
    }
 
    bool RequestContext::ClearSchemeHandlerFactories()
    {
        ThrowIfDisposed();
 
        return _requestContext->ClearSchemeHandlerFactories();
    }
 
    void RequestContext::PurgePluginListCache(bool reloadPages)
    {
        ThrowIfDisposed();
 
        _requestContext->PurgePluginListCache(reloadPages);
    }
 
    bool RequestContext::HasPreference(String^ name)
    {
        ThrowIfDisposed();
 
        ThrowIfExecutedOnNonCefUiThread();
 
        return _requestContext->HasPreference(StringUtils::ToNative(name));
    }
 
    Object^ RequestContext::GetPreference(String^ name)
    {
        ThrowIfDisposed();
 
        ThrowIfExecutedOnNonCefUiThread();
 
        return TypeConversion::FromNative(_requestContext->GetPreference(StringUtils::ToNative(name)));
    }
 
    IDictionary<String^, Object^>^ RequestContext::GetAllPreferences(bool includeDefaults)
    {
        ThrowIfDisposed();
 
        auto preferences = _requestContext->GetAllPreferences(includeDefaults);
 
        return TypeConversion::FromNative(preferences);
    }
 
    bool RequestContext::CanSetPreference(String^ name)
    {
        ThrowIfDisposed();
 
        ThrowIfExecutedOnNonCefUiThread();
 
        return _requestContext->CanSetPreference(StringUtils::ToNative(name));
    }
 
    bool RequestContext::SetPreference(String^ name, Object^ value, [Out] String^ %error)
    {
        ThrowIfDisposed();
 
        ThrowIfExecutedOnNonCefUiThread();
 
        CefString cefError;
 
        auto success = _requestContext->SetPreference(StringUtils::ToNative(name), TypeConversion::ToNative(value), cefError);
 
        error = StringUtils::ToClr(cefError);
 
        return success;
    }
 
    void RequestContext::ClearCertificateExceptions(ICompletionCallback^ callback)
    {
        ThrowIfDisposed();
 
        CefRefPtr<CefCompletionCallback> wrapper = callback == nullptr ? NULL : new CefCompletionCallbackAdapter(callback);
 
        _requestContext->ClearCertificateExceptions(wrapper);
    }
 
    void RequestContext::ClearHttpAuthCredentials(ICompletionCallback^ callback)
    {
        ThrowIfDisposed();
 
        //TODO: Remove this once CEF Issue has been resolved
        //ClearHttpAuthCredentials crashes when no callback specified
        if (callback == nullptr)
        {
            callback = gcnew CefSharp::Callback::NoOpCompletionCallback();
        }
 
        CefRefPtr<CefCompletionCallback> wrapper = callback == nullptr ? NULL : new CefCompletionCallbackAdapter(callback);
 
        _requestContext->ClearHttpAuthCredentials(wrapper);
    }
 
    void RequestContext::CloseAllConnections(ICompletionCallback^ callback)
    {
        ThrowIfDisposed();
 
        CefRefPtr<CefCompletionCallback> wrapper = callback == nullptr ? NULL : new CefCompletionCallbackAdapter(callback);
 
        _requestContext->CloseAllConnections(wrapper);
    }
 
    Task<ResolveCallbackResult>^ RequestContext::ResolveHostAsync(Uri^ origin)
    {
        ThrowIfDisposed();
 
        auto callback = gcnew TaskResolveCallback();
 
        CefRefPtr<CefResolveCallback> callbackWrapper = new CefResolveCallbackAdapter(callback);
 
        _requestContext->ResolveHost(StringUtils::ToNative(origin->AbsoluteUri), callbackWrapper);
 
        return callback->Task;
    }
 
    bool RequestContext::DidLoadExtension(String^ extensionId)
    {
        ThrowIfDisposed();
 
        ThrowIfExecutedOnNonCefUiThread();
 
        return _requestContext->DidLoadExtension(StringUtils::ToNative(extensionId));
    }
 
    IExtension^ RequestContext::GetExtension(String^ extensionId)
    {
        ThrowIfDisposed();
 
        ThrowIfExecutedOnNonCefUiThread();
 
        auto extension = _requestContext->GetExtension(StringUtils::ToNative(extensionId));
 
        if (extension.get())
        {
            return gcnew CefExtensionWrapper(extension);
        }
 
        return nullptr;
    }
 
    bool RequestContext::GetExtensions([Out] IList<String^>^ %extensionIds)
    {
        ThrowIfDisposed();
 
        ThrowIfExecutedOnNonCefUiThread();
 
        std::vector<CefString> extensions;
 
        auto success = _requestContext->GetExtensions(extensions);
 
        extensionIds = StringUtils::ToClr(extensions);
 
        return success;
    }
 
    bool RequestContext::HasExtension(String^ extensionId)
    {
        ThrowIfDisposed();
 
        ThrowIfExecutedOnNonCefUiThread();
 
        return _requestContext->HasExtension(StringUtils::ToNative(extensionId));
    }
 
    void RequestContext::LoadExtension(String^ rootDirectory, String^ manifestJson, IExtensionHandler^ handler)
    {
        ThrowIfDisposed();
 
        CefRefPtr<CefDictionaryValue> manifest;
 
        if (!String::IsNullOrEmpty(manifestJson))
        {
            cef_json_parser_error_t errorCode;
            CefString errorMessage;
            auto value = CefParseJSONAndReturnError(StringUtils::ToNative(manifestJson),
                cef_json_parser_options_t::JSON_PARSER_ALLOW_TRAILING_COMMAS,
                errorCode,
                errorMessage);
 
            if (errorCode == cef_json_parser_error_t::JSON_NO_ERROR)
            {
                manifest = value->GetDictionary();
            }
            else
            {
                throw gcnew Exception("Unable to parse JSON ErrorCode:" + Convert::ToString((int)errorCode) + "; ErrorMessage:" + StringUtils::ToClr(errorMessage));
            }
        }
 
        CefRefPtr<CefExtensionHandler> extensionHandler = handler == nullptr ? NULL : new CefExtensionHandlerAdapter(handler);
 
        if (CefCurrentlyOn(CefThreadId::TID_UI))
        {
            _requestContext->LoadExtension(StringUtils::ToNative(rootDirectory), manifest, extensionHandler);
        }
        else
        {
            CefPostTask(TID_UI, base::Bind(&CefRequestContext::LoadExtension, _requestContext.get(), StringUtils::ToNative(rootDirectory), manifest, extensionHandler));
        }
    }
}