mirror of
https://github.com/reactos/reactos.git
synced 2024-12-29 10:35:28 +00:00
63935f857f
Enumerates but does not actually allow you to get CF_HDROP if the desktop PIDL is present in the dataobject.
428 lines
12 KiB
C++
428 lines
12 KiB
C++
/*
|
|
* PROJECT: shell32
|
|
* LICENSE: LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
|
|
* PURPOSE: IEnumFORMATETC, IDataObject implementation
|
|
* COPYRIGHT: Copyright 1998, 1999 <juergen.schmied@metronet.de>
|
|
* Copyright 2019 Mark Jansen (mark.jansen@reactos.org)
|
|
*/
|
|
|
|
#include "precomp.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(shell);
|
|
|
|
/***********************************************************************
|
|
* IEnumFORMATETC implementation
|
|
*/
|
|
|
|
class IEnumFORMATETCImpl :
|
|
public CComObjectRootEx<CComMultiThreadModelNoCS>,
|
|
public IEnumFORMATETC
|
|
{
|
|
private:
|
|
UINT posFmt;
|
|
UINT countFmt;
|
|
LPFORMATETC pFmt;
|
|
public:
|
|
IEnumFORMATETCImpl();
|
|
~IEnumFORMATETCImpl();
|
|
HRESULT WINAPI Initialize(UINT cfmt, const FORMATETC afmt[]);
|
|
|
|
// *****************
|
|
STDMETHOD(Next)(ULONG celt, FORMATETC *rgelt, ULONG *pceltFethed) override;
|
|
STDMETHOD(Skip)(ULONG celt) override;
|
|
STDMETHOD(Reset)() override;
|
|
STDMETHOD(Clone)(LPENUMFORMATETC* ppenum) override;
|
|
|
|
BEGIN_COM_MAP(IEnumFORMATETCImpl)
|
|
COM_INTERFACE_ENTRY_IID(IID_IEnumFORMATETC, IEnumFORMATETC)
|
|
END_COM_MAP()
|
|
};
|
|
|
|
IEnumFORMATETCImpl::IEnumFORMATETCImpl()
|
|
{
|
|
posFmt = 0;
|
|
countFmt = 0;
|
|
pFmt = NULL;
|
|
}
|
|
|
|
IEnumFORMATETCImpl::~IEnumFORMATETCImpl()
|
|
{
|
|
}
|
|
|
|
HRESULT WINAPI IEnumFORMATETCImpl::Initialize(UINT cfmt, const FORMATETC afmt[])
|
|
{
|
|
DWORD size;
|
|
|
|
size = cfmt * sizeof(FORMATETC);
|
|
countFmt = cfmt;
|
|
pFmt = (LPFORMATETC)SHAlloc(size);
|
|
if (pFmt == NULL)
|
|
return E_OUTOFMEMORY;
|
|
|
|
memcpy(pFmt, afmt, size);
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI IEnumFORMATETCImpl::Next(ULONG celt, FORMATETC *rgelt, ULONG *pceltFethed)
|
|
{
|
|
UINT i;
|
|
|
|
TRACE("(%p)->(%u,%p)\n", this, celt, rgelt);
|
|
|
|
if (!pFmt)
|
|
return S_FALSE;
|
|
if (!rgelt)
|
|
return E_INVALIDARG;
|
|
if (pceltFethed)
|
|
*pceltFethed = 0;
|
|
|
|
for (i = 0; posFmt < countFmt && celt > i; i++)
|
|
{
|
|
*rgelt++ = pFmt[posFmt++];
|
|
}
|
|
|
|
if (pceltFethed)
|
|
*pceltFethed = i;
|
|
|
|
return ((i == celt) ? S_OK : S_FALSE);
|
|
}
|
|
|
|
HRESULT WINAPI IEnumFORMATETCImpl::Skip(ULONG celt)
|
|
{
|
|
TRACE("(%p)->(num=%u)\n", this, celt);
|
|
|
|
if (posFmt + celt >= countFmt)
|
|
return S_FALSE;
|
|
posFmt += celt;
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI IEnumFORMATETCImpl::Reset()
|
|
{
|
|
TRACE("(%p)->()\n", this);
|
|
|
|
posFmt = 0;
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI IEnumFORMATETCImpl::Clone(LPENUMFORMATETC* ppenum)
|
|
{
|
|
HRESULT hResult;
|
|
|
|
TRACE("(%p)->(ppenum=%p)\n", this, ppenum);
|
|
|
|
if (!ppenum) return E_INVALIDARG;
|
|
hResult = IEnumFORMATETC_Constructor(countFmt, pFmt, ppenum);
|
|
if (FAILED_UNEXPECTEDLY(hResult))
|
|
return hResult;
|
|
return (*ppenum)->Skip(posFmt);
|
|
}
|
|
|
|
HRESULT IEnumFORMATETC_Constructor(UINT cfmt, const FORMATETC afmt[], IEnumFORMATETC **ppFormat)
|
|
{
|
|
return ShellObjectCreatorInit<IEnumFORMATETCImpl>(cfmt, afmt, IID_PPV_ARG(IEnumFORMATETC, ppFormat));
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* IDataObject implementation
|
|
* For now (2019-10-12) it's compatible with 2k3's data object
|
|
* See shell32_apitest!CIDLData for changes between versions
|
|
*/
|
|
|
|
class CIDLDataObj :
|
|
public CComObjectRootEx<CComMultiThreadModelNoCS>,
|
|
public IDataObject,
|
|
public IAsyncOperation
|
|
{
|
|
private:
|
|
CSimpleArray<FORMATETC> m_Formats;
|
|
CSimpleArray<STGMEDIUM> m_Storage;
|
|
UINT m_cfShellIDList;
|
|
BOOL m_doasync;
|
|
bool m_FailGetHDrop;
|
|
public:
|
|
CIDLDataObj();
|
|
~CIDLDataObj();
|
|
HRESULT WINAPI Initialize(HWND hwndOwner, PCIDLIST_ABSOLUTE pMyPidl, PCUIDLIST_RELATIVE_ARRAY apidlx, UINT cidlx, BOOL bAddAdditionalFormats);
|
|
|
|
// *** IDataObject methods ***
|
|
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;
|
|
|
|
// *** IAsyncOperation methods ***
|
|
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;
|
|
|
|
BEGIN_COM_MAP(CIDLDataObj)
|
|
COM_INTERFACE_ENTRY_IID(IID_IDataObject, IDataObject)
|
|
COM_INTERFACE_ENTRY_IID(IID_IAsyncOperation, IAsyncOperation)
|
|
END_COM_MAP()
|
|
};
|
|
|
|
CIDLDataObj::CIDLDataObj()
|
|
{
|
|
m_cfShellIDList = 0;
|
|
m_doasync = FALSE;
|
|
m_FailGetHDrop = false;
|
|
}
|
|
|
|
CIDLDataObj::~CIDLDataObj()
|
|
{
|
|
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();
|
|
}
|
|
|
|
HRESULT WINAPI CIDLDataObj::Initialize(HWND hwndOwner, PCIDLIST_ABSOLUTE pMyPidl, PCUIDLIST_RELATIVE_ARRAY apidlx, UINT cidlx, BOOL bAddAdditionalFormats)
|
|
{
|
|
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;
|
|
}
|
|
|
|
|
|
HRESULT WINAPI CIDLDataObj::GetData(LPFORMATETC pformatetcIn, STGMEDIUM *pmedium)
|
|
{
|
|
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;
|
|
}
|
|
|
|
HRESULT WINAPI CIDLDataObj::GetDataHere(LPFORMATETC pformatetc, STGMEDIUM *pmedium)
|
|
{
|
|
FIXME("(%p)->()\n", this);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
HRESULT WINAPI CIDLDataObj::QueryGetData(LPFORMATETC pformatetc)
|
|
{
|
|
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;
|
|
}
|
|
|
|
HRESULT WINAPI CIDLDataObj::GetCanonicalFormatEtc(LPFORMATETC pformatectIn, LPFORMATETC pformatetcOut)
|
|
{
|
|
//FIXME("(%p)->()\n", this);
|
|
return DATA_S_SAMEFORMATETC;
|
|
}
|
|
|
|
HRESULT WINAPI CIDLDataObj::SetData(LPFORMATETC pformatetc, STGMEDIUM *pmedium, BOOL fRelease)
|
|
{
|
|
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;
|
|
}
|
|
|
|
HRESULT WINAPI CIDLDataObj::EnumFormatEtc(DWORD dwDirection, IEnumFORMATETC **ppenumFormatEtc)
|
|
{
|
|
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;
|
|
}
|
|
|
|
HRESULT WINAPI CIDLDataObj::DAdvise(FORMATETC *pformatetc, DWORD advf, IAdviseSink *pAdvSink, DWORD *pdwConnection)
|
|
{
|
|
return OLE_E_ADVISENOTSUPPORTED;
|
|
}
|
|
|
|
HRESULT WINAPI CIDLDataObj::DUnadvise(DWORD dwConnection)
|
|
{
|
|
return OLE_E_ADVISENOTSUPPORTED;
|
|
}
|
|
|
|
HRESULT WINAPI CIDLDataObj::EnumDAdvise(IEnumSTATDATA **ppenumAdvise)
|
|
{
|
|
return OLE_E_ADVISENOTSUPPORTED;
|
|
}
|
|
|
|
HRESULT WINAPI CIDLDataObj::GetAsyncMode(BOOL *pfIsOpAsync)
|
|
{
|
|
TRACE("(%p)->()\n", this);
|
|
*pfIsOpAsync = m_doasync;
|
|
return S_OK;
|
|
}
|
|
HRESULT WINAPI CIDLDataObj::InOperation(BOOL *pfInAsyncOp)
|
|
{
|
|
FIXME("(%p)->()\n", this);
|
|
return E_NOTIMPL;
|
|
}
|
|
HRESULT WINAPI CIDLDataObj::SetAsyncMode(BOOL fDoOpAsync)
|
|
{
|
|
TRACE("(%p)->()\n", this);
|
|
m_doasync = fDoOpAsync;
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI CIDLDataObj::StartOperation(IBindCtx *pbcReserved)
|
|
{
|
|
TRACE("(%p)->()\n", this);
|
|
return E_NOTIMPL;
|
|
}
|
|
HRESULT WINAPI CIDLDataObj::EndOperation(HRESULT hResult, IBindCtx *pbcReserved, DWORD dwEffects)
|
|
{
|
|
TRACE("(%p)->()\n", this);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
|
|
|
|
/**************************************************************************
|
|
* IDataObject_Constructor
|
|
*/
|
|
HRESULT IDataObject_Constructor(HWND hwndOwner, PCIDLIST_ABSOLUTE pMyPidl, PCUIDLIST_RELATIVE_ARRAY apidl, UINT cidl, BOOL bExtendedObject, IDataObject **dataObject)
|
|
{
|
|
if (!dataObject)
|
|
return E_INVALIDARG;
|
|
return ShellObjectCreatorInit<CIDLDataObj>(hwndOwner, pMyPidl, apidl, cidl, bExtendedObject, IID_PPV_ARG(IDataObject, dataObject));
|
|
}
|
|
|
|
/*************************************************************************
|
|
* SHCreateDataObject [SHELL32.@]
|
|
*
|
|
*/
|
|
|
|
HRESULT WINAPI SHCreateDataObject(PCIDLIST_ABSOLUTE pidlFolder, UINT cidl, PCUITEMID_CHILD_ARRAY apidl, IDataObject *pdtInner, REFIID riid, void **ppv)
|
|
{
|
|
if (IsEqualIID(riid, IID_IDataObject))
|
|
{
|
|
if (pdtInner)
|
|
UNIMPLEMENTED;
|
|
return IDataObject_Constructor(NULL, pidlFolder, apidl, cidl, TRUE, (IDataObject **)ppv);
|
|
}
|
|
return E_FAIL;
|
|
}
|
|
|
|
/*************************************************************************
|
|
* SHCreateFileDataObject [SHELL32.740]
|
|
*
|
|
*/
|
|
|
|
HRESULT WINAPI SHCreateFileDataObject(PCIDLIST_ABSOLUTE pidlFolder, UINT cidl, PCUITEMID_CHILD_ARRAY apidl, IDataObject* pDataInner, IDataObject** ppDataObj)
|
|
{
|
|
if (pDataInner)
|
|
UNIMPLEMENTED;
|
|
return IDataObject_Constructor(NULL, pidlFolder, apidl, cidl, TRUE, ppDataObj);
|
|
}
|