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ole32: Store a cached version of the local data object's enumeration.

This commit is contained in:
Huw Davies 2009-04-16 11:49:11 +01:00 committed by Alexandre Julliard
parent 999bb6a0e9
commit e58a9db129
1 changed files with 62 additions and 46 deletions
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108
dlls/ole32/clipboard.c
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@ -84,50 +84,6 @@ WINE_DEFAULT_DEBUG_CHANNEL(ole);
#define HANDLE_ERROR(err) do { hr = err; TRACE("(HRESULT=%x)\n", (HRESULT)err); goto CLEANUP; } while (0)
/****************************************************************************
* ole_clipbrd
*/
struct ole_clipbrd
{
const IDataObjectVtbl* lpvtbl; /* Exposed IDataObject vtable */
LONG ref;
HWND hWndClipboard; /* Hidden clipboard window */
IDataObject* pIDataObjectSrc; /* Source object passed to OleSetClipboard */
};
typedef struct ole_clipbrd ole_clipbrd;
static inline ole_clipbrd *impl_from_IDataObject(IDataObject *iface)
{
return (ole_clipbrd*)((char*)iface - FIELD_OFFSET(ole_clipbrd, lpvtbl));
}
typedef struct PresentationDataHeader
{
BYTE unknown1[28];
DWORD dwObjectExtentX;
DWORD dwObjectExtentY;
DWORD dwSize;
} PresentationDataHeader;
/*
* The one and only ole_clipbrd object which is created by OLEClipbrd_Initialize()
*/
static ole_clipbrd* theOleClipboard;
/*
* Name of our registered OLE clipboard window class
*/
static const CHAR OLEClipbrd_WNDCLASS[] = "CLIPBRDWNDCLASS";
static UINT dataobject_clipboard_format;
static UINT ole_priv_data_clipboard_format;
static UINT embed_source_clipboard_format;
/* Structure of 'Ole Private Data' clipboard format */
typedef struct
{
@ -163,6 +119,49 @@ static HRESULT create_empty_priv_data(ole_priv_data **data)
return S_OK;
}
/****************************************************************************
* ole_clipbrd
*/
typedef struct ole_clipbrd
{
const IDataObjectVtbl* lpvtbl; /* Exposed IDataObject vtable */
LONG ref;
HWND hWndClipboard; /* Hidden clipboard window */
IDataObject *pIDataObjectSrc; /* Source object passed to OleSetClipboard */
ole_priv_data *cached_enum; /* Cached result from the enumeration of src data object */
} ole_clipbrd;
static inline ole_clipbrd *impl_from_IDataObject(IDataObject *iface)
{
return (ole_clipbrd*)((char*)iface - FIELD_OFFSET(ole_clipbrd, lpvtbl));
}
typedef struct PresentationDataHeader
{
BYTE unknown1[28];
DWORD dwObjectExtentX;
DWORD dwObjectExtentY;
DWORD dwSize;
} PresentationDataHeader;
/*
* The one and only ole_clipbrd object which is created by OLEClipbrd_Initialize()
*/
static ole_clipbrd* theOleClipboard;
/*
* Name of our registered OLE clipboard window class
*/
static const CHAR OLEClipbrd_WNDCLASS[] = "CLIPBRDWNDCLASS";
static UINT dataobject_clipboard_format;
static UINT ole_priv_data_clipboard_format;
static UINT embed_source_clipboard_format;
/*---------------------------------------------------------------------*
* Implementation of the internal IEnumFORMATETC interface returned by
* the OLE clipboard's IDataObject.
@ -690,6 +689,8 @@ static LRESULT CALLBACK OLEClipbrd_WndProc
{
IDataObject_Release(theOleClipboard->pIDataObjectSrc);
theOleClipboard->pIDataObjectSrc = NULL;
HeapFree(GetProcessHeap(), 0, theOleClipboard->cached_enum);
theOleClipboard->cached_enum = NULL;
}
break;
}
@ -1104,6 +1105,7 @@ static ole_clipbrd* OLEClipbrd_Construct(void)
This->hWndClipboard = NULL;
This->pIDataObjectSrc = NULL;
This->cached_enum = NULL;
theOleClipboard = This;
return This;
@ -1228,7 +1230,7 @@ static inline BOOL is_format_in_list(ole_priv_data_entry *entries, DWORD num, UI
* TODO: We need to additionally handle TYMED_IStorage and
* TYMED_IStream data by copying into global memory.
*/
static HRESULT set_clipboard_formats(IDataObject *data)
static HRESULT set_clipboard_formats(ole_clipbrd *clipbrd, IDataObject *data)
{
HRESULT hr;
FORMATETC fmt;
@ -1301,6 +1303,14 @@ static HRESULT set_clipboard_formats(IDataObject *data)
IEnumFORMATETC_Release(enum_fmt);
/* Cache the list and fixup any target device offsets to ptrs */
clipbrd->cached_enum = HeapAlloc(GetProcessHeap(), 0, needed);
memcpy(clipbrd->cached_enum, priv_data, needed);
for(idx = 0; idx < clipbrd->cached_enum->count; idx++)
if(clipbrd->cached_enum->entries[idx].fmtetc.ptd)
clipbrd->cached_enum->entries[idx].fmtetc.ptd =
(DVTARGETDEVICE *)((char*)clipbrd->cached_enum + (DWORD)clipbrd->cached_enum->entries[idx].fmtetc.ptd);
GlobalUnlock(priv_data_handle);
SetClipboardData(ole_priv_data_clipboard_format, priv_data_handle);
@ -1393,6 +1403,8 @@ HRESULT WINAPI OleSetClipboard(IDataObject* pDataObj)
{
IDataObject_Release(theOleClipboard->pIDataObjectSrc);
theOleClipboard->pIDataObjectSrc = NULL;
HeapFree(GetProcessHeap(), 0, theOleClipboard->cached_enum);
theOleClipboard->cached_enum = NULL;
}
/* A NULL value indicates that the clipboard should be emptied. */
@ -1400,7 +1412,7 @@ HRESULT WINAPI OleSetClipboard(IDataObject* pDataObj)
if ( pDataObj )
{
IDataObject_AddRef(theOleClipboard->pIDataObjectSrc);
hr = set_clipboard_formats(pDataObj);
hr = set_clipboard_formats(theOleClipboard, pDataObj);
if(FAILED(hr)) goto end;
}
@ -1416,6 +1428,8 @@ end:
{
IDataObject_Release(theOleClipboard->pIDataObjectSrc);
theOleClipboard->pIDataObjectSrc = NULL;
HeapFree(GetProcessHeap(), 0, theOleClipboard->cached_enum);
theOleClipboard->cached_enum = NULL;
}
}
@ -1506,6 +1520,8 @@ HRESULT WINAPI OleFlushClipboard(void)
IDataObject_Release(theOleClipboard->pIDataObjectSrc);
theOleClipboard->pIDataObjectSrc = NULL;
HeapFree(GetProcessHeap(), 0, theOleClipboard->cached_enum);
theOleClipboard->cached_enum = NULL;
end: