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150 lines
5.2 KiB
150 lines
5.2 KiB
//**********************************************************************
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// File name: WALKER.H
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//
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// Definition of COleSite
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//
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// Copyright (c) 1992 - 1996 Microsoft Corporation. All rights reserved.
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//**********************************************************************
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#if !defined( _WALKER_H_ )
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#define _WALKER_H_
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#include <mshtml.h>
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class CWalker : public IPropertyNotifySink, IOleClientSite, IDispatch
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{
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private:
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ULONG m_cRef; //Reference count
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public:
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CWalker()
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{
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m_cRef = 1;
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m_hrConnected = CONNECT_E_CANNOTCONNECT;
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m_dwCookie = 0;
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m_pCP = NULL;
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m_pMSHTML = NULL;
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m_pPageIDForm = NULL;
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m_pBackForm = NULL;
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m_pPageTypeForm = NULL;
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m_pNextForm = NULL;
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m_pPageFlagForm = NULL;
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m_hEventTridentDone = 0;
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}
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~CWalker()
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{
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if (m_pMSHTML)
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m_pMSHTML->Release();
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if (m_pPageIDForm)
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m_pPageIDForm->Release();
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if (m_pBackForm)
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m_pBackForm->Release();
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if (m_pPageTypeForm)
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m_pPageTypeForm->Release();
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if (m_pNextForm)
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m_pNextForm->Release();
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if (m_pPageFlagForm)
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m_pPageFlagForm->Release();
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}
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// IUnknown methods
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STDMETHOD(QueryInterface)(REFIID riid, LPVOID* ppv);
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STDMETHOD_(ULONG, AddRef)();
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STDMETHOD_(ULONG, Release)();
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// IPropertyNotifySink methods
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STDMETHOD(OnChanged)(DISPID dispID);
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STDMETHOD(OnRequestEdit)(DISPID dispID)
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{ return NOERROR; }
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// IOleClientSite methods
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STDMETHOD(SaveObject)(void) { return E_NOTIMPL; }
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STDMETHOD(GetMoniker)(DWORD dwAssign,
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DWORD dwWhichMoniker,
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IMoniker** ppmk)
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{ return E_NOTIMPL; }
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STDMETHOD(GetContainer)(IOleContainer** ppContainer)
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{ return E_NOTIMPL; }
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STDMETHOD(ShowObject)(void)
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{ return E_NOTIMPL; }
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STDMETHOD(OnShowWindow)(BOOL fShow)
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{ return E_NOTIMPL; }
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STDMETHOD(RequestNewObjectLayout)(void)
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{ return E_NOTIMPL; }
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// IDispatch method
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STDMETHOD(GetTypeInfoCount)(UINT* pctinfo)
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{ return E_NOTIMPL; }
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STDMETHOD(GetTypeInfo)(UINT iTInfo,
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LCID lcid,
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ITypeInfo** ppTInfo)
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{ return E_NOTIMPL; }
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STDMETHOD(GetIDsOfNames)(REFIID riid,
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LPOLESTR* rgszNames,
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UINT cNames,
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LCID lcid,
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DISPID* rgDispId)
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{ return E_NOTIMPL; }
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STDMETHOD(Invoke)(DISPID dispIdMember,
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REFIID riid,
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LCID lcid,
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WORD wFlags,
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DISPPARAMS __RPC_FAR *pDispParams,
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VARIANT __RPC_FAR *pVarResult,
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EXCEPINFO __RPC_FAR *pExcepInfo,
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UINT __RPC_FAR *puArgErr);
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// Additional class methods
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HRESULT Walk ();
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HRESULT AttachToDocument (IWebBrowser2* lpWebBrowser);
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HRESULT AttachToMSHTML (BSTR bstrURL);
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HRESULT ExtractUnHiddenText (BSTR* pbstrText);
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HRESULT Detach ();
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HRESULT InitForMSHTML ();
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HRESULT TermForMSHTML ();
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HRESULT LoadURLFromFile (BSTR bstrURL);
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HRESULT ProcessOLSFile (IWebBrowser2* lpWebBrowser);
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HRESULT get_PageType (LPDWORD pdwPageType);
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HRESULT get_IsQuickFinish (BOOL* pbIsQuickFinish);
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HRESULT get_PageFlag (LPDWORD pdwPageFlag);
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HRESULT get_PageID (BSTR* pbstrPageID);
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HRESULT get_URL (LPTSTR lpszURL, BOOL bForward);
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HRESULT get_IeakIspFile (LPTSTR lpszIspFile);
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HRESULT get_FirstFormQueryString (LPTSTR lpszQuery);
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DWORD m_dwCookie;
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LPCONNECTIONPOINT m_pCP;
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HRESULT m_hrConnected;
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IHTMLFormElement* get_pNextForm() { return m_pNextForm; }
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IHTMLFormElement* get_pBackForm() { return m_pBackForm; }
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private:
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HRESULT getQueryString(IHTMLFormElement *pForm,
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LPTSTR lpszQuery);
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void GetInputValue(LPTSTR lpszName, BSTR *pVal, UINT index, IHTMLFormElement *pForm);
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protected:
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IHTMLDocument2* m_pTrident; // An instance of MSHTML that we CoCreated
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IHTMLDocument2* m_pMSHTML; // A ref of m_pTrident, OR a QI for the WebBrowser's Document
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// These elements will contain the navigation information we need
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IHTMLFormElement* m_pPageIDForm;
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IHTMLFormElement* m_pBackForm;
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IHTMLFormElement* m_pPageTypeForm;
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IHTMLFormElement* m_pNextForm;
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IHTMLFormElement* m_pPageFlagForm;
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HANDLE m_hEventTridentDone;
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};
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#endif
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