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ole32: Implement the SetData function for the data cache.

This commit is contained in:
Rob Shearman 2006-12-01 15:02:26 +00:00 committed by Alexandre Julliard
parent 25d7d95035
commit 46f70207b2
1 changed files with 72 additions and 2 deletions
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74
dlls/ole32/datacache.c
View File

@ -515,6 +515,59 @@ static HRESULT DataCacheEntry_LoadData(DataCacheEntry *This)
return hres;
}
/* helper for copying STGMEDIUM of type bitmap, MF, EMF or HGLOBAL.
* does no checking of whether src_stgm has a supported tymed, so this should be
* done in the caller */
static HRESULT copy_stg_medium(CLIPFORMAT cf, STGMEDIUM *dest_stgm,
const STGMEDIUM *src_stgm)
{
if (src_stgm->tymed == TYMED_MFPICT)
{
const METAFILEPICT *src_mfpict = GlobalLock(src_stgm->u.hMetaFilePict);
METAFILEPICT *dest_mfpict;
if (!src_mfpict)
return DV_E_STGMEDIUM;
dest_stgm->u.hMetaFilePict = GlobalAlloc(GMEM_MOVEABLE, sizeof(METAFILEPICT));
dest_mfpict = GlobalLock(dest_stgm->u.hMetaFilePict);
if (!dest_mfpict)
{
GlobalUnlock(src_stgm->u.hMetaFilePict);
return E_OUTOFMEMORY;
}
*dest_mfpict = *src_mfpict;
dest_mfpict->hMF = CopyMetaFileW(src_mfpict->hMF, NULL);
GlobalUnlock(src_stgm->u.hMetaFilePict);
GlobalUnlock(dest_stgm->u.hMetaFilePict);
}
else if (src_stgm->tymed != TYMED_NULL)
{
dest_stgm->u.hGlobal = OleDuplicateData(src_stgm->u.hGlobal, cf,
GMEM_MOVEABLE);
if (!dest_stgm->u.hGlobal)
return E_OUTOFMEMORY;
}
dest_stgm->tymed = src_stgm->tymed;
dest_stgm->pUnkForRelease = src_stgm->pUnkForRelease;
if (dest_stgm->pUnkForRelease)
IUnknown_AddRef(dest_stgm->pUnkForRelease);
return S_OK;
}
static HRESULT DataCacheEntry_SetData(DataCacheEntry *This,
STGMEDIUM *stgmedium, BOOL fRelease)
{
ReleaseStgMedium(&This->stgmedium);
if (fRelease)
{
This->stgmedium = *stgmedium;
return S_OK;
}
else
return copy_stg_medium(This->fmtetc.cfFormat,
&This->stgmedium, stgmedium);
}
/*********************************************************
* Method implementation for the non delegating IUnknown
* part of the DataCache class.
@ -1706,8 +1759,25 @@ static HRESULT WINAPI DataCache_IOleCache2_SetData(
STGMEDIUM* pmedium,
BOOL fRelease)
{
FIXME("stub\n");
return E_NOTIMPL;
DataCache *This = impl_from_IOleCache2(iface);
DataCacheEntry *cache_entry;
HRESULT hr;
TRACE("(%p, %p, %s)\n", pformatetc, pmedium, fRelease ? "TRUE" : "FALSE");
cache_entry = DataCache_GetEntryForFormatEtc(This, pformatetc);
if (cache_entry)
{
hr = DataCacheEntry_SetData(cache_entry, pmedium, fRelease);
if (SUCCEEDED(hr))
DataCache_FireOnViewChange(This, cache_entry->fmtetc.dwAspect,
cache_entry->fmtetc.lindex);
return hr;
}
return OLE_E_BLANK;
}
static HRESULT WINAPI DataCache_UpdateCache(