XMLHttpRequest.h

Go to the documentation of this file.

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * $Id: XMLHttpRequest.h 568078 2007-08-21 11:43:25Z amassari $
 */

#ifndef ___xmlhttprequest_h___
#define ___xmlhttprequest_h___

#include <xercesc/dom/DOMDocument.hpp>
#include "IXMLDOMNodeImpl.h"

#include "resource.h"       // main symbols

class ATL_NO_VTABLE CXMLHttpRequest : 
        public CComObjectRootEx<CComSingleThreadModel>,
        public CComCoClass<CXMLHttpRequest, &CLSID_XMLHTTPRequest>,
        public IObjectSafetyImpl<CXMLHttpRequest, INTERFACESAFE_FOR_UNTRUSTED_CALLER>,
        public IDispatchImpl<IXMLHttpRequest, &IID_IXMLHttpRequest, &LIBID_Xerces, XERCES_VERSION_MAJOR, INVK_CAT2_RAW_NUMERIC(XERCES_VERSION_MINOR,XERCES_VERSION_REVISION)>,
        public IObjectWithSiteImpl<CXMLHttpRequest>,
        public ISupportErrorInfo,
        public CWindowImpl<CXMLHttpRequest, CWindow, CWinTraits<0,0> >
{
public:
        CXMLHttpRequest();

        HRESULT FinalConstruct();
        void    FinalRelease();

        //DECLARE_REGISTRY_RESOURCEID(IDR_XMLHTTPREQUEST)
        static HRESULT WINAPI UpdateRegistry(BOOL bRegister);

DECLARE_NOT_AGGREGATABLE(CXMLHttpRequest)

DECLARE_PROTECT_FINAL_CONSTRUCT()

BEGIN_COM_MAP(CXMLHttpRequest)
        COM_INTERFACE_ENTRY(IXMLHttpRequest)
        COM_INTERFACE_ENTRY(IDispatch)
        COM_INTERFACE_ENTRY(IObjectSafety)
        COM_INTERFACE_ENTRY(IObjectWithSite)
        COM_INTERFACE_ENTRY(ISupportErrorInfo)
END_COM_MAP()

        DECLARE_WND_CLASS(_T("XMLHttpRequestMonitor")) 

BEGIN_MSG_MAP(CMonitorWnd)
        MESSAGE_HANDLER(MSG_READY_STATE_CHANGE, OnReadyStateChange)
END_MSG_MAP()

        LRESULT OnReadyStateChange(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);


        // ISupportsErrorInfo
        STDMETHOD(InterfaceSupportsErrorInfo)(REFIID riid);

        // IXMLHttpRequest methods
        STDMETHOD(open)(/*[in]*/ BSTR bstrMethod, /*[in]*/ BSTR bstrUrl, /*[in,optional]*/ VARIANT varAsync, /*[in,optional]*/ VARIANT bstrUser, /*[in,optional]*/ VARIANT bstrPassword);
        STDMETHOD(setRequestHeader)(/*[in]*/ BSTR bstrHeader, /*[in]*/ BSTR bstrValue);
        STDMETHOD(getResponseHeader)(/*[in]*/ BSTR bstrHeader, /*[out, retval]*/ BSTR * pbstrValue);
        STDMETHOD(getAllResponseHeaders)(/*[out, retval]*/ BSTR * pbstrHeaders);
        STDMETHOD(send)(/*[in, optional]*/ VARIANT varBody);
        STDMETHOD(abort)();
        STDMETHOD(get_status)(/*[out, retval]*/ long * plStatus);
        STDMETHOD(get_statusText)(/*[out, retval]*/ BSTR * pbstrStatus);
        STDMETHOD(get_responseXML)(/*[out, retval]*/ IDispatch ** ppBody);
        STDMETHOD(get_responseText)(/*[out, retval]*/ BSTR * pbstrBody);
        STDMETHOD(get_responseBody)(/*[out, retval]*/ VARIANT * pvarBody);
        STDMETHOD(get_responseStream)(/*[out, retval]*/ VARIANT * pvarBody);
        STDMETHOD(get_readyState)(/*[out, retval]*/ long * plState);
        STDMETHOD(put_onreadystatechange)(/*[in]*/ IDispatch * pReadyStateSink);

private:

        LPDISPATCH        m_pOnReadyStateChange;
        bool              m_bAbort;     
        HANDLE            m_hThread;            
        long              m_lReadyState;
        bool              m_bAsync;     
        _bstr_t           m_Method;
        _bstr_t           m_HostName;   
        INTERNET_PORT m_Port;
        _bstr_t           m_URLPath;
        _bstr_t           m_User;
        _bstr_t           m_Password;
        DWORD             m_dwStatus;
        _bstr_t           m_StatusText; 
        _bstr_t           m_ResponseHeaders;
        CSimpleMap<_bstr_t, _bstr_t>  m_RequestHeaderMap;
        HWND              m_HwndParent;         
 
        PBYTE             m_pBody;
        long              m_lBodyLength;
        PBYTE             m_pResponseBody;
        long              m_lResponseBodyLength;
        _bstr_t       m_Error;  
        bool          m_bSuccess;

        HWND GetParentWindow();

        static _bstr_t GetErrorMsg(DWORD rc);
        static void CALLBACK InternetStatusCallback(HINTERNET hInternet,
                                                                                                DWORD_PTR dwContext,
                                                                                                DWORD dwInternetStatus,
                                                                                                LPVOID lpvStatusInformation,
                                                                                                DWORD dwStatusInformationLength);
        static UINT APIENTRY SendThread(void *pParm);
        static HRESULT InitializeVarFromByte(VARIANT &varOut, const PBYTE pByte, long lSize);
};

typedef CComObject<CXMLHttpRequest> CXMLHttpRequestObj;

#endif // ___xmlhttprequest_h___