CIDLDataObj Class Reference

Inheritance diagram for CIDLDataObj:

Collaboration diagram for CIDLDataObj:

Public Member Functions
	CIDLDataObj ()
	~CIDLDataObj ()
HRESULT WINAPI	Initialize (HWND hwndOwner, PCIDLIST_ABSOLUTE pMyPidl, PCUIDLIST_RELATIVE_ARRAY apidlx, UINT cidlx, BOOL bAddAdditionalFormats)
STDMETHOD()	GetData (LPFORMATETC pformatetcIn, STGMEDIUM *pmedium) override
STDMETHOD()	GetDataHere (LPFORMATETC pformatetc, STGMEDIUM *pmedium) override
STDMETHOD()	QueryGetData (LPFORMATETC pformatetc) override
STDMETHOD()	GetCanonicalFormatEtc (LPFORMATETC pformatectIn, LPFORMATETC pformatetcOut) override
STDMETHOD()	SetData (LPFORMATETC pformatetc, STGMEDIUM *pmedium, BOOL fRelease) override
STDMETHOD()	EnumFormatEtc (DWORD dwDirection, IEnumFORMATETC **ppenumFormatEtc) override
STDMETHOD()	DAdvise (FORMATETC *pformatetc, DWORD advf, IAdviseSink *pAdvSink, DWORD *pdwConnection) override
STDMETHOD()	DUnadvise (DWORD dwConnection) override
STDMETHOD()	EnumDAdvise (IEnumSTATDATA **ppenumAdvise) override
STDMETHOD()	SetAsyncMode (BOOL fDoOpAsync) override
STDMETHOD()	GetAsyncMode (BOOL *pfIsOpAsync) override
STDMETHOD()	StartOperation (IBindCtx *pbcReserved) override
STDMETHOD()	InOperation (BOOL *pfInAsyncOp) override
STDMETHOD()	EndOperation (HRESULT hResult, IBindCtx *pbcReserved, DWORD dwEffects) override
Public Member Functions inherited from ATL::CComObjectRootEx< CComMultiThreadModelNoCS >
	~CComObjectRootEx ()
ULONG	InternalAddRef ()
ULONG	InternalRelease ()
void	Lock ()
void	Unlock ()
HRESULT	_AtlInitialConstruct ()
Public Member Functions inherited from ATL::CComObjectRootBase
	CComObjectRootBase ()
	~CComObjectRootBase ()
void	SetVoid (void *)
HRESULT	_AtlFinalConstruct ()
HRESULT	FinalConstruct ()
void	InternalFinalConstructAddRef ()
void	InternalFinalConstructRelease ()
void	FinalRelease ()
Public Member Functions inherited from IDataObject
HRESULT	GetData ([in, unique] FORMATETC *pformatetcIn, [out] STGMEDIUM *pmedium)
HRESULT	RemoteGetData ([in, unique] FORMATETC *pformatetcIn, [out] STGMEDIUM *pRemoteMedium)
HRESULT	GetDataHere ([in, unique] FORMATETC *pformatetc, [in, out] STGMEDIUM *pmedium)
HRESULT	RemoteGetDataHere ([in, unique] FORMATETC *pformatetc, [in, out] STGMEDIUM *pRemoteMedium)
HRESULT	QueryGetData ([in, unique] FORMATETC *pformatetc)
HRESULT	GetCanonicalFormatEtc ([in, unique] FORMATETC *pformatectIn, [out] FORMATETC *pformatetcOut)
HRESULT	SetData ([in, unique] FORMATETC *pformatetc, [in, unique] STGMEDIUM *pmedium, [in] BOOL fRelease)
HRESULT	RemoteSetData ([in, unique] FORMATETC *pformatetc, [in, unique] FLAG_STGMEDIUM *pmedium, [in] BOOL fRelease)
HRESULT	EnumFormatEtc ([in] DWORD dwDirection, [out] IEnumFORMATETC **ppenumFormatEtc)
HRESULT	DAdvise ([in] FORMATETC *pformatetc, [in] DWORD advf, [in, unique] IAdviseSink *pAdvSink, [out] DWORD *pdwConnection)
HRESULT	DUnadvise ([in] DWORD dwConnection)
HRESULT	EnumDAdvise ([out] IEnumSTATDATA **ppenumAdvise)
Public Member Functions inherited from IUnknown
HRESULT	QueryInterface ([in] REFIID riid, [out, iid_is(riid)] void **ppvObject)
ULONG	AddRef ()
ULONG	Release ()
HRESULT	SetAsyncMode ([in] BOOL fDoOpAsync)
HRESULT	GetAsyncMode ([out] BOOL *pfIsOpAsync)
HRESULT	StartOperation ([in, unique, optional] IBindCtx *pbcReserved)
HRESULT	InOperation ([out] BOOL *pfInAsyncOp)
HRESULT	EndOperation ([in] HRESULT hResult, [in, unique] IBindCtx *pbcReserved, [in] DWORD dwEffects)

Private Attributes
CSimpleArray< FORMATETC >	m_Formats
CSimpleArray< STGMEDIUM >	m_Storage
UINT	m_cfShellIDList
BOOL	m_doasync
bool	m_FailGetHDrop

Additional Inherited Members
Public Types inherited from IDataObject
enum	tagDATADIR { DATADIR_GET = 1 , DATADIR_SET = 2 }
typedef IDataObject *	LPDATAOBJECT
typedef enum IDataObject::tagDATADIR	DATADIR
Public Types inherited from IUnknown
typedef IUnknown *	LPUNKNOWN
Public Types inherited from IAsyncOperation
typedef IAsyncOperation *	LPASYNCOPERATION
Static Public Member Functions inherited from ATL::CComObjectRootBase
static void WINAPI	ObjectMain (bool)
static const struct _ATL_CATMAP_ENTRY *	GetCategoryMap ()
static HRESULT WINAPI	InternalQueryInterface (void *pThis, const _ATL_INTMAP_ENTRY *pEntries, REFIID iid, void **ppvObject)
Public Attributes inherited from ATL::CComObjectRootBase
LONG	m_dwRef

Detailed Description

Definition at line 133 of file CIDLDataObj.cpp.

Constructor & Destructor Documentation

CIDLDataObj()

CIDLDataObj::CIDLDataObj

(

)

Definition at line 173 of file CIDLDataObj.cpp.

{
    m_cfShellIDList = 0;
    m_doasync = FALSE;
    m_FailGetHDrop = false;
}

~CIDLDataObj()

CIDLDataObj::~CIDLDataObj

(

)

Definition at line 180 of file CIDLDataObj.cpp.

{
    TRACE(" destroying IDataObject(%p)\n", this);
 
    for (int n = 0; n < m_Storage.GetSize(); ++n)
    {
        ReleaseStgMedium(&m_Storage[n]);
    }
    m_Formats.RemoveAll();
    m_Storage.RemoveAll();
}

Member Function Documentation

DAdvise()

HRESULT WINAPI CIDLDataObj::DAdvise ( FORMATETC *  pformatetc, DWORD  advf, IAdviseSink *  pAdvSink, DWORD *  pdwConnection  )

override

Implements IDataObject.

Definition at line 346 of file CIDLDataObj.cpp.

{
    return OLE_E_ADVISENOTSUPPORTED;
}

DUnadvise()

HRESULT WINAPI CIDLDataObj::DUnadvise ( DWORD  dwConnection )

override

Implements IDataObject.

Definition at line 351 of file CIDLDataObj.cpp.

{
    return OLE_E_ADVISENOTSUPPORTED;
}

EndOperation()

HRESULT WINAPI CIDLDataObj::EndOperation ( HRESULT  hResult, IBindCtx *  pbcReserved, DWORD  dwEffects  )

override

Implements IAsyncOperation.

Definition at line 384 of file CIDLDataObj.cpp.

{
    TRACE("(%p)->()\n", this);
    return E_NOTIMPL;
}

EnumDAdvise()

HRESULT WINAPI CIDLDataObj::EnumDAdvise ( IEnumSTATDATA **  ppenumAdvise )

override

Implements IDataObject.

Definition at line 356 of file CIDLDataObj.cpp.

{
    return OLE_E_ADVISENOTSUPPORTED;
}

EnumFormatEtc()

HRESULT WINAPI CIDLDataObj::EnumFormatEtc ( DWORD  dwDirection, IEnumFORMATETC **  ppenumFormatEtc  )

override

Implements IDataObject.

Definition at line 332 of file CIDLDataObj.cpp.

{
    TRACE("(%p)->()\n", this);
    *ppenumFormatEtc = NULL;
 
    /* only get data */
    if (DATADIR_GET == dwDirection)
    {
        return IEnumFORMATETC_Constructor(m_Formats.GetSize(), m_Formats.GetData(), ppenumFormatEtc);
    }
 
    return E_NOTIMPL;
}

GetAsyncMode()

HRESULT WINAPI CIDLDataObj::GetAsyncMode ( BOOL *  pfIsOpAsync )

override

Implements IAsyncOperation.

Definition at line 361 of file CIDLDataObj.cpp.

{
    TRACE("(%p)->()\n", this);
    *pfIsOpAsync = m_doasync;
    return S_OK;
}

GetCanonicalFormatEtc()

HRESULT WINAPI CIDLDataObj::GetCanonicalFormatEtc ( LPFORMATETC  pformatectIn, LPFORMATETC  pformatetcOut  )

override

Definition at line 302 of file CIDLDataObj.cpp.

{
    //FIXME("(%p)->()\n", this);
    return DATA_S_SAMEFORMATETC;
}

GetData()

HRESULT WINAPI CIDLDataObj::GetData ( LPFORMATETC  pformatetcIn, STGMEDIUM *  pmedium  )

override

Definition at line 242 of file CIDLDataObj.cpp.

{
    if (TRACE_ON(shell))
    {
        char szTemp[256] = {0};
        GetClipboardFormatNameA (pformatetcIn->cfFormat, szTemp, 256);
        TRACE("(%p)->(%p %p format=%s)\n", this, pformatetcIn, pmedium, szTemp);
    }
    pmedium->hGlobal = NULL;
    pmedium->pUnkForRelease = NULL;
    for (int n = 0; n < m_Formats.GetSize(); ++n)
    {
        const FORMATETC& fmt = m_Formats[n];
        if (fmt.cfFormat == pformatetcIn->cfFormat &&
            fmt.dwAspect == pformatetcIn->dwAspect &&
            fmt.tymed == pformatetcIn->tymed)
        {
            if (m_FailGetHDrop && fmt.cfFormat == CF_HDROP)
                return DV_E_CLIPFORMAT;
 
            if (pformatetcIn->tymed != TYMED_HGLOBAL)
            {
                UNIMPLEMENTED;
                return E_INVALIDARG;
            }
            else
            {
                *pmedium = m_Storage[n];
                return QueryInterface(IID_PPV_ARG(IUnknown, &pmedium->pUnkForRelease));
            }
        }
    }
 
    return E_INVALIDARG;
}

GetDataHere()

HRESULT WINAPI CIDLDataObj::GetDataHere ( LPFORMATETC  pformatetc, STGMEDIUM *  pmedium  )

override

Definition at line 278 of file CIDLDataObj.cpp.

{
    FIXME("(%p)->()\n", this);
    return E_NOTIMPL;
}

Initialize()

HRESULT WINAPI CIDLDataObj::Initialize	(	HWND	hwndOwner,
		PCIDLIST_ABSOLUTE	pMyPidl,
		PCUIDLIST_RELATIVE_ARRAY	apidlx,
		UINT	cidlx,
		BOOL	bAddAdditionalFormats
	)

Definition at line 192 of file CIDLDataObj.cpp.

{
    HGLOBAL hida = RenderSHELLIDLIST((LPITEMIDLIST)pMyPidl, (LPITEMIDLIST*)apidlx, cidlx);
    if (!hida)
    {
        ERR("Failed to render " CFSTR_SHELLIDLISTA "\n");
        return E_OUTOFMEMORY;
    }
 
    m_cfShellIDList = RegisterClipboardFormatW(CFSTR_SHELLIDLIST);
 
    FORMATETC Format = { (CLIPFORMAT)m_cfShellIDList, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
    STGMEDIUM medium = {0};
    medium.tymed = TYMED_HGLOBAL;
    medium.hGlobal = hida;
    HRESULT hr = SetData(&Format, &medium, TRUE);
    if (!FAILED_UNEXPECTEDLY(hr) && bAddAdditionalFormats)
    {
        /* The Windows default shell IDataObject::GetData fails with DV_E_CLIPFORMAT if the desktop is present.
         * Windows does return HDROP in EnumFormatEtc and does not fail until GetData is called.
         * Failing GetData causes 7-Zip 23.01 to not add its menu to the desktop folder. */
        for (UINT i = 0; i < cidlx; ++i)
        {
            if (ILIsEmpty(apidlx[i]) && ILIsEmpty(pMyPidl))
                m_FailGetHDrop = true;
        }
 
        Format.cfFormat = CF_HDROP;
        medium.hGlobal = RenderHDROP((LPITEMIDLIST)pMyPidl, (LPITEMIDLIST*)apidlx, cidlx);
        hr = SetData(&Format, &medium, TRUE);
        if (FAILED_UNEXPECTEDLY(hr))
            return hr;
 
        Format.cfFormat = RegisterClipboardFormatA(CFSTR_FILENAMEA);
        medium.hGlobal = RenderFILENAMEA((LPITEMIDLIST)pMyPidl, (LPITEMIDLIST*)apidlx, cidlx);
        hr = SetData(&Format, &medium, TRUE);
        if (FAILED_UNEXPECTEDLY(hr))
            return hr;
 
        Format.cfFormat = RegisterClipboardFormatW(CFSTR_FILENAMEW);
        medium.hGlobal = RenderFILENAMEW((LPITEMIDLIST)pMyPidl, (LPITEMIDLIST*)apidlx, cidlx);
        hr = SetData(&Format, &medium, TRUE);
        if (FAILED_UNEXPECTEDLY(hr))
            return hr;
    }
 
    return hr;
}

InOperation()

HRESULT WINAPI CIDLDataObj::InOperation ( BOOL *  pfInAsyncOp )

override

Implements IAsyncOperation.

Definition at line 367 of file CIDLDataObj.cpp.

{
    FIXME("(%p)->()\n", this);
    return E_NOTIMPL;
}

QueryGetData()

HRESULT WINAPI CIDLDataObj::QueryGetData ( LPFORMATETC  pformatetc )

override

Definition at line 284 of file CIDLDataObj.cpp.

{
    TRACE("(%p)->(fmt=0x%08x tym=0x%08x)\n", this, pformatetc->cfFormat, pformatetc->tymed);
 
    for (int n = 0; n < m_Formats.GetSize(); ++n)
    {
        const FORMATETC& fmt = m_Formats[n];
        if (fmt.cfFormat == pformatetc->cfFormat &&
            fmt.dwAspect == pformatetc->dwAspect &&
            fmt.tymed == pformatetc->tymed)
        {
            return S_OK;
        }
    }
 
    return S_FALSE;
}

SetAsyncMode()

HRESULT WINAPI CIDLDataObj::SetAsyncMode ( BOOL  fDoOpAsync )

override

Implements IAsyncOperation.

Definition at line 372 of file CIDLDataObj.cpp.

{
    TRACE("(%p)->()\n", this);
    m_doasync = fDoOpAsync;
    return S_OK;
}

SetData()

HRESULT WINAPI CIDLDataObj::SetData ( LPFORMATETC  pformatetc, STGMEDIUM *  pmedium, BOOL  fRelease  )

override

Definition at line 308 of file CIDLDataObj.cpp.

{
    if (!fRelease)
        return E_INVALIDARG;
 
    for (int n = 0; n < m_Formats.GetSize(); ++n)
    {
        const FORMATETC& fmt = m_Formats[n];
        if (fmt.cfFormat == pformatetc->cfFormat &&
            fmt.dwAspect == pformatetc->dwAspect &&
            fmt.tymed == pformatetc->tymed)
        {
            ReleaseStgMedium(&m_Storage[n]);
            m_Storage[n] = *pmedium;
            return S_OK;
        }
    }
 
    m_Formats.Add(*pformatetc);
    m_Storage.Add(*pmedium);
 
    return S_OK;
}

Referenced by Initialize().

StartOperation()

HRESULT WINAPI CIDLDataObj::StartOperation ( IBindCtx *  pbcReserved )

override

Implements IAsyncOperation.

Definition at line 379 of file CIDLDataObj.cpp.

{
    TRACE("(%p)->()\n", this);
    return E_NOTIMPL;
}

Member Data Documentation

m_cfShellIDList

UINT CIDLDataObj::m_cfShellIDList

private

Definition at line 141 of file CIDLDataObj.cpp.

Referenced by CIDLDataObj(), and Initialize().

m_doasync

BOOL CIDLDataObj::m_doasync

private

Definition at line 142 of file CIDLDataObj.cpp.

Referenced by CIDLDataObj(), GetAsyncMode(), and SetAsyncMode().

m_FailGetHDrop

bool CIDLDataObj::m_FailGetHDrop

private

Definition at line 143 of file CIDLDataObj.cpp.

Referenced by CIDLDataObj(), GetData(), and Initialize().

m_Formats

CSimpleArray<FORMATETC> CIDLDataObj::m_Formats

private

Definition at line 139 of file CIDLDataObj.cpp.

Referenced by EnumFormatEtc(), GetData(), QueryGetData(), SetData(), and ~CIDLDataObj().

m_Storage

CSimpleArray<STGMEDIUM> CIDLDataObj::m_Storage

private

Definition at line 140 of file CIDLDataObj.cpp.

Referenced by GetData(), SetData(), and ~CIDLDataObj().

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The documentation for this class was generated from the following file:

• dll/win32/shell32/CIDLDataObj.cpp