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ole32: Only load the contents stream for the static clsids. 

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Huw Davies 2018-01-23 08:47:22 +00:00 committed by Alexandre Julliard
parent e3fe10719e
commit ce66c8d147
1 changed files with 30 additions and 17 deletions
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47
dlls/ole32/datacache.c
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@ -162,6 +162,9 @@ struct DataCache
IAdviseSink *sinkInterface;
CLSID clsid;
/* Is the clsid one of the CLSID_Picture classes */
BOOL clsid_static;
IStorage *presentationStorage;
/* list of cache entries */
@ -1307,9 +1310,13 @@ static HRESULT create_automatic_entry(DataCache *cache, const CLSID *clsid)
while (ptr->clsid)
{
if (IsEqualCLSID( clsid, ptr->clsid ))
{
cache->clsid_static = TRUE;
return DataCache_CreateEntry( cache, &ptr->fmt, 0, TRUE, NULL );
}
ptr++;
}
cache->clsid_static = FALSE;
return S_OK;
}
@ -1776,24 +1783,33 @@ static HRESULT parse_pres_streams( DataCache *This, IStorage *stg )
static const FORMATETC static_dib_fmt = { CF_DIB, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL };
static HRESULT parse_contents_stream( DataCache *This, IStorage *stg, IStream *stm )
static HRESULT parse_contents_stream( DataCache *This, IStorage *stg )
{
HRESULT hr;
STATSTG stat;
const FORMATETC *fmt;
IStream *stm;
hr = IStorage_OpenStream( stg, CONTENTS, NULL, STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stm );
if (FAILED( hr )) return hr;
hr = IStorage_Stat( stg, &stat, STATFLAG_NONAME );
if (FAILED( hr )) return hr;
if (FAILED( hr )) goto done;
if (IsEqualCLSID( &stat.clsid, &CLSID_Picture_Dib ))
fmt = &static_dib_fmt;
else
{
FIXME("unsupported format %s\n", debugstr_guid( &stat.clsid ));
return E_FAIL;
hr = E_FAIL;
goto done;
}
return add_cache_entry( This, fmt, 0, stm, contents_stream );
hr = add_cache_entry( This, fmt, 0, stm, contents_stream );
done:
IStream_Release( stm );
return hr;
}
/************************************************************************
@ -1804,42 +1820,38 @@ static HRESULT parse_contents_stream( DataCache *This, IStorage *stg, IStream *s
* and it will load the presentation information when the
* IDataObject_GetData or IViewObject2_Draw methods are called.
*/
static HRESULT WINAPI DataCache_Load( IPersistStorage *iface, IStorage *pStg )
static HRESULT WINAPI DataCache_Load( IPersistStorage *iface, IStorage *stg )
{
DataCache *This = impl_from_IPersistStorage(iface);
HRESULT hr;
IStream *stm;
CLSID clsid;
DataCacheEntry *entry, *cursor2;
TRACE("(%p, %p)\n", iface, pStg);
TRACE("(%p, %p)\n", iface, stg);
IPersistStorage_HandsOffStorage( iface );
LIST_FOR_EACH_ENTRY_SAFE( entry, cursor2, &This->cache_list, DataCacheEntry, entry )
DataCacheEntry_Destroy( This, entry );
ReadClassStg( pStg, &clsid );
ReadClassStg( stg, &clsid );
hr = create_automatic_entry( This, &clsid );
if (FAILED( hr )) return hr;
This->clsid = clsid;
hr = IStorage_OpenStream( pStg, CONTENTS, NULL, STGM_READ | STGM_SHARE_EXCLUSIVE,
0, &stm );
if (SUCCEEDED( hr ))
if (This->clsid_static)
{
hr = parse_contents_stream( This, pStg, stm );
IStream_Release( stm );
hr = parse_contents_stream( This, stg );
if (FAILED(hr)) hr = parse_pres_streams( This, stg );
}
if (FAILED(hr))
hr = parse_pres_streams( This, pStg );
else
hr = parse_pres_streams( This, stg );
if (SUCCEEDED( hr ))
{
This->dirty = FALSE;
This->presentationStorage = pStg;
This->presentationStorage = stg;
IStorage_AddRef( This->presentationStorage );
}
@ -2978,6 +2990,7 @@ static DataCache* DataCache_Construct(
newObject->sinkAdviseFlag = 0;
newObject->sinkInterface = 0;
newObject->clsid = CLSID_NULL;
newObject->clsid_static = FALSE;
newObject->presentationStorage = NULL;
list_init(&newObject->cache_list);
newObject->last_cache_id = 2;