Source code of Windows XP (NT5)
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//*********************************************************************
//* Microsoft Windows **
//* Copyright(c) Microsoft Corp., 1996 **
//*********************************************************************
#ifndef _BINDCB_H_
// the CStubBindStatusCallback implements IBindStatusCallback and
// IHttpNegotiate. We use it to make a "fake" bind status callback
// object when we have headers and post data we would like to apply
// to a navigation. We supply this IBindStatusCallback object, and
// the URL moniker asks us for headers and post data and use those in
// the transaction.
class CStubBindStatusCallback : public IBindStatusCallback,
IHttpNegotiate,
IMarshal
{
private:
UINT _cRef; // ref count on this COM object
LPCSTR _pszHeaders; // headers to use
HGLOBAL _hszPostData; // post data to use
DWORD _cbPostData; // size of post data
BOOL _bFrameIsOffline : 1; // Indicates if Offline property is set
BOOL _bFrameIsSilent : 1; // Indicates if Silent property is set
BOOL _bHyperlink : 1; // This is a hyperlink or top level request
DWORD _grBindFlags; // optional additional bindinfo flags
public:
CStubBindStatusCallback(LPCWSTR pwzHeaders,LPCBYTE pPostData,DWORD cbPostData,
VARIANT_BOOL bFrameIsOffline, VARIANT_BOOL bFrameIsSilent, BOOL bHyperlink, DWORD grBindFlags);
~CStubBindStatusCallback();
// *** IUnknown methods ***
virtual STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj);
virtual STDMETHODIMP_(ULONG) AddRef(void) ;
virtual STDMETHODIMP_(ULONG) Release(void);
// *** IBindStatusCallback ***
virtual STDMETHODIMP OnStartBinding(
/* [in] */ DWORD grfBSCOption,
/* [in] */ IBinding *pib);
virtual STDMETHODIMP GetPriority(
/* [out] */ LONG *pnPriority);
virtual STDMETHODIMP OnLowResource(
/* [in] */ DWORD reserved);
virtual STDMETHODIMP OnProgress(
/* [in] */ ULONG ulProgress,
/* [in] */ ULONG ulProgressMax,
/* [in] */ ULONG ulStatusCode,
/* [in] */ LPCWSTR szStatusText);
virtual STDMETHODIMP OnStopBinding(
/* [in] */ HRESULT hresult,
/* [in] */ LPCWSTR szError);
virtual STDMETHODIMP GetBindInfo(
/* [out] */ DWORD *grfBINDINFOF,
/* [unique][out][in] */ BINDINFO *pbindinfo);
virtual STDMETHODIMP OnDataAvailable(
/* [in] */ DWORD grfBSCF,
/* [in] */ DWORD dwSize,
/* [in] */ FORMATETC *pformatetc,
/* [in] */ STGMEDIUM *pstgmed);
virtual STDMETHODIMP OnObjectAvailable(
/* [in] */ REFIID riid,
/* [iid_is][in] */ IUnknown *punk);
/* *** IHttpNegotiate *** */
virtual STDMETHODIMP BeginningTransaction(LPCWSTR szURL, LPCWSTR szHeaders,
DWORD dwReserved, LPWSTR __RPC_FAR *pszAdditionalHeaders);
virtual STDMETHODIMP OnResponse(DWORD dwResponseCode, LPCWSTR szResponseHeaders,
LPCWSTR szRequestHeaders, LPWSTR *pszAdditionalRequestHeaders);
// IMarshal methods
STDMETHODIMP GetUnmarshalClass(REFIID riid,void *pvInterface,
DWORD dwDestContext,void *pvDestContext,DWORD mshlflags,CLSID *pCid);
STDMETHODIMP GetMarshalSizeMax(REFIID riid,void *pvInterface,
DWORD dwDestContext,void *pvDestContext,DWORD mshlflags,DWORD *pSize);
STDMETHODIMP MarshalInterface(IStream *pistm,REFIID riid,
void *pvInterface,DWORD dwDestContext,
void *pvDestContext,DWORD mshlflags);
STDMETHODIMP UnmarshalInterface(IStream *pistm,REFIID riid,void ** ppvObj);
STDMETHODIMP ReleaseMarshalData(IStream *pStm);
STDMETHODIMP DisconnectObject(DWORD dwReserved);
// helper methods
STDMETHODIMP _FreeHeadersAndPostData();
BOOL _CanMarshalIID(REFIID riid);
HRESULT _ValidateMarshalParams(REFIID riid,void *pvInterface,
DWORD dwDestContext,void *pvDestContext,DWORD mshlflags);
};
// private flags between shdocvw and mshtml
// -> should be done via bind context
//
#define BINDF_INLINESGETNEWESTVERSION 0x10000000
#define BINDF_INLINESRESYNCHRONIZE 0x20000000
#define BINDF_CONTAINER_NOWRITECACHE 0x40000000
// global helper functions
BOOL fOnProxy();
HRESULT BuildBindInfo(DWORD *grfBINDF,BINDINFO *pbindinfo,HGLOBAL hszPostData,
DWORD cbPostData, BOOL bFrameIsOffline, BOOL bFrameIsSilent, BOOL bHyperlink, LPUNKNOWN pUnkForRelease);
HRESULT BuildAdditionalHeaders(LPCSTR pszOurExtraHeaders,LPCWSTR * ppwzCombinedHeadersOut);
HRESULT CStubBindStatusCallback_Create(LPCWSTR pwzHeaders, LPCBYTE pPostData,
DWORD cbPostData, VARIANT_BOOL bFrameIsOffline, VARIANT_BOOL bFrameIsSilent,BOOL bHyperlink,
DWORD grBindFlags,
CStubBindStatusCallback ** ppBindStatusCallback);
HRESULT GetHeadersAndPostData(IBindStatusCallback * pBindStatusCallback,
LPSTR * ppszHeaders, STGMEDIUM * pstgPostData, DWORD * pdwPostData, BOOL * pfUseCache);
HRESULT GetTopLevelBindStatusCallback(IServiceProvider * psp,
IBindStatusCallback ** ppBindStatusCallback);
HRESULT GetTopLevelPendingBindStatusCallback(IServiceProvider * psp,
IBindStatusCallback ** ppBindStatusCallback);
#endif // _BINDCB_H_