130 lines
4 KiB
C++
130 lines
4 KiB
C++
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#include "priv.h"
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#include "ishcut.h"
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STDMETHODIMP Intshcut::GetData(FORMATETC *pfmtetc, STGMEDIUM *pstgmed)
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{
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HRESULT hr;
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ZeroMemory(pstgmed, SIZEOF(*pstgmed));
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if (pfmtetc->cfFormat == g_cfURL || pfmtetc->cfFormat == g_cfURLW)
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hr = TransferUniformResourceLocator(pfmtetc, pstgmed);
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else if ((pfmtetc->cfFormat == CF_TEXT) || (pfmtetc->cfFormat == CF_UNICODETEXT))
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hr = TransferText(pfmtetc, pstgmed);
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else if (pfmtetc->cfFormat == g_cfFileDescA)
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hr = TransferFileGroupDescriptorA(pfmtetc, pstgmed);
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else if (pfmtetc->cfFormat == g_cfFileDescW)
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hr = TransferFileGroupDescriptorW(pfmtetc, pstgmed);
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else if (pfmtetc->cfFormat == g_cfFileContents)
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hr = TransferFileContents(pfmtetc, pstgmed);
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else
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hr = DV_E_FORMATETC;
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return hr;
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}
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STDMETHODIMP Intshcut::GetDataHere(FORMATETC *pfmtetc, STGMEDIUM *pstgpmed)
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{
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return E_NOTIMPL;
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}
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STDMETHODIMP Intshcut::QueryGetData(FORMATETC *pfmtetc)
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{
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HRESULT hr;
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if ((pfmtetc->cfFormat == g_cfURL) ||
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(pfmtetc->cfFormat == g_cfURLW) ||
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(pfmtetc->cfFormat == CF_TEXT) ||
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(pfmtetc->cfFormat == CF_UNICODETEXT) ||
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(pfmtetc->cfFormat == g_cfFileDescA) ||
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(pfmtetc->cfFormat == g_cfFileDescW))
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{
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hr = (pfmtetc->tymed & TYMED_HGLOBAL) ? S_OK : DV_E_TYMED;
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}
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else if (pfmtetc->cfFormat == g_cfFileContents)
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{
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if (pfmtetc->dwAspect == DVASPECT_COPY)
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hr = (pfmtetc->tymed & TYMED_ISTREAM) ? S_OK : DV_E_TYMED;
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else if ((pfmtetc->dwAspect == DVASPECT_CONTENT) ||
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(pfmtetc->dwAspect == DVASPECT_LINK))
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hr = (pfmtetc->tymed & TYMED_HGLOBAL) ? S_OK : DV_E_TYMED;
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else
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hr = DV_E_FORMATETC;
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}
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else
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hr = DV_E_FORMATETC;
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return hr;
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}
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STDMETHODIMP Intshcut::GetCanonicalFormatEtc(FORMATETC *pfmtetcIn, FORMATETC *pfmtetcOut)
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{
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HRESULT hr = QueryGetData(pfmtetcIn);
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if (hr == S_OK)
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{
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*pfmtetcOut = *pfmtetcIn;
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if (pfmtetcIn->ptd == NULL)
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hr = DATA_S_SAMEFORMATETC;
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else
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{
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pfmtetcIn->ptd = NULL;
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ASSERT(hr == S_OK);
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}
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}
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else
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ZeroMemory(pfmtetcOut, SIZEOF(*pfmtetcOut));
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return hr;
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}
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STDMETHODIMP Intshcut::SetData(FORMATETC *pfmtetc, STGMEDIUM *pstgmed, BOOL bRelease)
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{
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return DV_E_FORMATETC;
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}
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STDMETHODIMP Intshcut::EnumFormatEtc(DWORD dwDirFlags, IEnumFORMATETC **ppiefe)
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{
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if (dwDirFlags == DATADIR_GET)
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{
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FORMATETC rgfmtetc[] =
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{
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// the order here defines the accuarcy of rendering
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{ g_cfFileContents, NULL, DVASPECT_LINK, 0, TYMED_HGLOBAL },
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{ g_cfFileDescW, NULL, DVASPECT_LINK, -1, TYMED_HGLOBAL },
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{ g_cfFileDescA, NULL, DVASPECT_LINK, -1, TYMED_HGLOBAL },
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{ g_cfFileContents, NULL, DVASPECT_COPY, 0, TYMED_ISTREAM },
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{ g_cfFileDescW, NULL, DVASPECT_COPY, -1, TYMED_HGLOBAL },
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{ g_cfFileDescA, NULL, DVASPECT_COPY, -1, TYMED_HGLOBAL },
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{ g_cfFileContents, NULL, DVASPECT_CONTENT, 0, TYMED_HGLOBAL },
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{ g_cfFileDescW, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL },
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{ g_cfFileDescA, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL },
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{ g_cfURLW, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL },
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{ CF_UNICODETEXT, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL },
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{ g_cfURL, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL },
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{ CF_TEXT, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL },
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};
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return SHCreateStdEnumFmtEtc(ARRAYSIZE(rgfmtetc), rgfmtetc, ppiefe);
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}
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*ppiefe = NULL;
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return E_NOTIMPL;
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}
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STDMETHODIMP Intshcut::DAdvise(FORMATETC *pfmtetc, DWORD dwAdviseFlags, IAdviseSink *piadvsink, DWORD *pdwConnection)
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{
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*pdwConnection = 0;
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return OLE_E_ADVISENOTSUPPORTED;
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}
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STDMETHODIMP Intshcut::DUnadvise( DWORD dwConnection)
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{
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return OLE_E_ADVISENOTSUPPORTED;
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}
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STDMETHODIMP Intshcut::EnumDAdvise(IEnumSTATDATA **ppiesd)
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{
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*ppiesd = NULL;
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return OLE_E_ADVISENOTSUPPORTED;
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}
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