JavascriptPropertyHandler.h

// Copyright © 2014 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.

#pragma once

#include "Stdafx.h"

#include "include/cef_v8.h"
#include "TypeUtils.h"

namespace CefSharp
{
    namespace BrowserSubprocess
    {
        private class JavascriptPropertyHandler : public CefV8Accessor
        {
            gcroot<Func<String^, BrowserProcessResponse^>^> _getter;
            gcroot<Func<String^, Object^, BrowserProcessResponse^>^> _setter;

        public:
            JavascriptPropertyHandler(Func<String^, BrowserProcessResponse^>^ getter, Func<String^, Object^, BrowserProcessResponse^>^ setter)
            {
                _getter = getter;
                _setter = setter;
            }

            ~JavascriptPropertyHandler()
            {
                delete _getter;
                delete _setter;
            }


            virtual bool Get(const CefString& name, const CefRefPtr<CefV8Value> object, CefRefPtr<CefV8Value>& retval,
                CefString& exception) override
            {
                //System::Diagnostics::Debugger::Break();
                auto propertyName = StringUtils::ToClr(name);
                auto response = _getter->Invoke(propertyName);
                retval = TypeUtils::ConvertToCef(response->Result, nullptr);
                if (!response->Success)
                {
                    exception = StringUtils::ToNative(response->Message);
                }
                //NOTE: Return true otherwise exception is ignored
                return true;
            }

            virtual bool Set(const CefString& name, const CefRefPtr<CefV8Value> object, const CefRefPtr<CefV8Value> value,
                CefString& exception) override
            {
                //System::Diagnostics::Debugger::Break();
                auto propertyName = StringUtils::ToClr(name);
                auto managedValue = TypeUtils::ConvertFromCef(value, nullptr);
                auto response = _setter->Invoke(propertyName, managedValue);
                if (!response->Success)
                {
                    exception = StringUtils::ToNative(response->Message);
                }
                //NOTE: Return true otherwise exception is ignored
                return true;
            }

            IMPLEMENT_REFCOUNTINGM(JavascriptPropertyHandler);
        };
    }
}