/***************************************************************************
* get_storage
*
* Retrieve an object's storage from a variety of sources.
*
* FIXME: CF_FILENAME.
*/
static HRESULT get_storage(IDataObject *data, IStorage *stg, UINT *src_cf)
{
HRESULT hr;
FORMATETC fmt;
STGMEDIUM med;
IPersistStorage *persist;
CLSID clsid;
*src_cf = 0;
/* CF_EMBEDEDOBJECT */
init_fmtetc(&fmt, embedded_object_clipboard_format, TYMED_ISTORAGE);
med.tymed = TYMED_ISTORAGE;
med.u.pstg = stg;
hr = IDataObject_GetDataHere(data, &fmt, &med);
if(SUCCEEDED(hr))
{
*src_cf = embedded_object_clipboard_format;
return hr;
}
/* CF_EMBEDSOURCE */
init_fmtetc(&fmt, embed_source_clipboard_format, TYMED_ISTORAGE);
med.tymed = TYMED_ISTORAGE;
med.u.pstg = stg;
hr = IDataObject_GetDataHere(data, &fmt, &med);
if(SUCCEEDED(hr))
{
*src_cf = embed_source_clipboard_format;
return hr;
}
/* IPersistStorage */
hr = IDataObject_QueryInterface(data, &IID_IPersistStorage, (void**)&persist);
if(FAILED(hr)) return hr;
hr = IPersistStorage_GetClassID(persist, &clsid);
if(FAILED(hr)) goto end;
hr = IStorage_SetClass(stg, &clsid);
if(FAILED(hr)) goto end;
hr = IPersistStorage_Save(persist, stg, FALSE);
if(FAILED(hr)) goto end;
hr = IPersistStorage_SaveCompleted(persist, NULL);
end:
IPersistStorage_Release(persist);
return hr;
}
static HRESULT WINAPI PersistStreamInit_GetClassID(IPersistStreamInit *iface, CLSID *pClassID)
{
WebBrowser *This = PERSTRINIT_THIS(iface);
return IPersistStorage_GetClassID(PERSTORAGE(This), pClassID);
}