cOleWebHelper.h

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//
//
#ifndef _INC_cOleWebHelper_H
#define _INC_cOleWebHelper_H
#ifndef NO_PRAGMA_ONCE
#pragma once
#endif
#include "cOleControl.h"
 
#if defined(_WIN32) && defined(_MSC_VER)
#include "cOleWebBase.h"
#include "../WinAPI/cComConnectionPoint.h"
 
#include <exdisp.h>             // DWebBrowserEvents2, IWebBrowser2
#include <exdispid.h>
#include <mshtmlc.h>
#include <shobjidl.h>   // NWMF_USERINITED
 
namespace GrayLib
{
        class cOleWebBase;
 
        class GRAYLIB_LINK cOleWebHelper : public cComConnectionPoint, public DWebBrowserEvents2
        {
 
                typedef cComConnectionPoint SUPER_t;
 
        protected:
                cTimeSys m_tProgressChange;
                cOleWebBase* m_pOleControlParent;       
 
        protected:
                // IDispatch method
                static cStringA GetFileNameDecode(cStringA sName);
 
                HRESULT SendWebEvent(IOleWebListener::WEBEVENT_TYPE eEvent, BSTR theParam, int x = 0, int y = 0);
 
                virtual HRESULT STDMETHODCALLTYPE Invoke(DISPID dispIdMember, REFIID riid, LCID lcid,
                        WORD wFlags, ::DISPPARAMS __RPC_FAR *pDispParams, VARIANT __RPC_FAR *pVarResult,
                        ::EXCEPINFO __RPC_FAR *pExcepInfo, UINT __RPC_FAR *puArgErr);
 
        public:
                cOleWebHelper(cOleWebBase* pAtlControlParent)
                        : cComConnectionPoint(static_cast<DWebBrowserEvents2*>(this), LIBID_SHDocVw, __uuidof(DWebBrowserEvents2))
                        , m_pOleControlParent(pAtlControlParent)
                {
                        ASSERT(m_pOleControlParent != nullptr);
                        ASSERT(m_pOleControlParent->m_pWebBrowser != nullptr);
                        ASSERT(!isDisposed());
                }
 
                virtual ~cOleWebHelper()
                {
                }
 
                IUNKNOWN_DISAMBIG_R(cRefBase);
                IDISPATCH_DISAMBIG_R(cComDispatch);
 
                virtual bool isDisposed() const
                {
                        return m_pOleControlParent == nullptr;
                }
                virtual HRESULT DisposeThis()
                {
                        m_pOleControlParent = nullptr;
                        HRESULT hRes = SUPER_t::DisposeThis();
                        return hRes;
                }
 
                STDMETHOD(QueryInterface)(REFIID riid, LPVOID* ppv)
                {
                        if (riid == __uuidof(DWebBrowserEvents2))
                        {
                                *ppv = static_cast<DWebBrowserEvents2*>(this);
                        }
                        else
                        {
                                return SUPER_t::QueryInterface(riid, ppv);
                        }
                        AddRef();
                        return S_OK;
                }
        };
}
 
#endif
#endif