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ole32: Use OleCreateFromDataEx to implement OleCreateFromData.

This commit is contained in:
Huw Davies 2009-05-19 12:09:08 +01:00 committed by Alexandre Julliard
parent d2837d91d0
commit 8aa2db4724
1 changed files with 7 additions and 103 deletions
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110
dlls/ole32/ole2impl.c
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@ -184,112 +184,16 @@ HRESULT WINAPI OleCreateFromDataEx(IDataObject *data, REFIID iid, DWORD flags,
/******************************************************************************
* OleCreateFromData [OLE32.@]
*
* Author : Abey George
* Creates an embedded object from data transfer object retrieved from
* the clipboard or OLE drag and drop.
* Returns : S_OK - Embedded object was created successfully.
* OLE_E_STATIC - OLE can create only a static object
* DV_E_FORMATETC - No acceptable format is available (only error return code)
* TODO : CF_FILENAME, CF_EMBEDEDOBJECT formats. Parameter renderopt is currently ignored.
*/
HRESULT WINAPI OleCreateFromData(LPDATAOBJECT pSrcDataObject, REFIID riid,
DWORD renderopt, LPFORMATETC pFormatEtc,
LPOLECLIENTSITE pClientSite, LPSTORAGE pStg,
LPVOID* ppvObj)
HRESULT WINAPI OleCreateFromData(LPDATAOBJECT data, REFIID iid,
DWORD renderopt, LPFORMATETC fmt,
LPOLECLIENTSITE client_site, LPSTORAGE stg,
LPVOID* obj)
{
IEnumFORMATETC *pfmt;
FORMATETC fmt;
CHAR szFmtName[MAX_CLIPFORMAT_NAME];
STGMEDIUM std;
HRESULT hr;
HRESULT hr1;
DWORD advf = ADVF_PRIMEFIRST;
hr = IDataObject_EnumFormatEtc(pSrcDataObject, DATADIR_GET, &pfmt);
if (hr == S_OK)
{
memset(&std, 0, sizeof(STGMEDIUM));
hr = IEnumFORMATETC_Next(pfmt, 1, &fmt, NULL);
while (hr == S_OK)
{
GetClipboardFormatNameA(fmt.cfFormat, szFmtName, MAX_CLIPFORMAT_NAME-1);
/* first, Check for Embedded Object, Embed Source or Filename */
/* TODO: Currently checks only for Embed Source. */
if (!strcmp(szFmtName, CF_EMBEDSOURCE))
{
std.tymed = TYMED_HGLOBAL;
if ((hr1 = IDataObject_GetData(pSrcDataObject, &fmt, &std)) == S_OK)
{
ILockBytes *ptrILockBytes = 0;
IStorage *pStorage = 0;
IOleObject *pOleObject = 0;
IPersistStorage *pPersistStorage = 0;
CLSID clsID;
/* Create ILock bytes */
hr1 = CreateILockBytesOnHGlobal(std.u.hGlobal, FALSE, &ptrILockBytes);
/* Open storage on the ILock bytes */
if (hr1 == S_OK)
hr1 = StgOpenStorageOnILockBytes(ptrILockBytes, NULL, STGM_SHARE_EXCLUSIVE, NULL, 0, &pStorage);
/* Get Class ID from the opened storage */
if (hr1 == S_OK)
hr1 = ReadClassStg(pStorage, &clsID);
/* Create default handler for Persist storage */
if (hr1 == S_OK)
hr1 = OleCreateDefaultHandler(&clsID, NULL, &IID_IPersistStorage, (LPVOID*)&pPersistStorage);
/* Load the storage to Persist storage */
if (hr1 == S_OK)
hr1 = IPersistStorage_Load(pPersistStorage, pStorage);
/* Query for IOleObject */
if (hr1 == S_OK)
hr1 = IPersistStorage_QueryInterface(pPersistStorage, &IID_IOleObject, (LPVOID*)&pOleObject);
/* Set client site with the IOleObject */
if (hr1 == S_OK)
hr1 = IOleObject_SetClientSite(pOleObject, pClientSite);
IPersistStorage_Release(pPersistStorage);
/* Query for the requested interface */
if (hr1 == S_OK)
hr1 = IPersistStorage_QueryInterface(pPersistStorage, riid, ppvObj);
IPersistStorage_Release(pPersistStorage);
IStorage_Release(pStorage);
if (hr1 == S_OK)
return S_OK;
}
/* Return error */
return DV_E_FORMATETC;
}
hr = IEnumFORMATETC_Next(pfmt, 1, &fmt, NULL);
}
}
return DV_E_FORMATETC;
return OleCreateFromDataEx(data, iid, 0, renderopt, fmt ? 1 : 0, fmt ? &advf : NULL,
fmt, NULL, NULL, client_site, stg, obj);
}