shldataobject.cpp File Reference

#include "precomp.h"

Include dependency graph for shldataobject.cpp:

Go to the source code of this file.

Classes
struct	DataObjectAttributes

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (shell)
static HRESULT	_BindToObject (PCUIDLIST_ABSOLUTE pidl, CComPtr< IShellFolder > &spFolder)
EXTERN_C HRESULT WINAPI	SHGetAttributesFromDataObject (IDataObject *pDataObject, DWORD dwAttributeMask, DWORD *pdwAttributes, UINT *pcItems)
PIDLIST_ABSOLUTE	SHELL_CIDA_ILCloneFull (_In_ const CIDA *pCIDA, _In_ UINT Index)
PIDLIST_ABSOLUTE	SHELL_DataObject_ILCloneFullItem (_In_ IDataObject *pDO, _In_ UINT Index)
HRESULT	SHELL_CloneDataObject (_In_ IDataObject *pDO, _Out_ IDataObject **ppDO)

Variables
static CLIPFORMAT	g_DataObjectAttributes = 0
static const DWORD	dwDefaultAttributeMask

Function Documentation

_BindToObject()

static HRESULT _BindToObject ( PCUIDLIST_ABSOLUTE  pidl, CComPtr< IShellFolder > &  spFolder  )

static

Definition at line 29 of file shldataobject.cpp.

{
    return SHBindToObject(NULL, pidl, IID_PPV_ARG(IShellFolder, &spFolder));
}

Referenced by SHGetAttributesFromDataObject().

SHELL_CIDA_ILCloneFull()

PIDLIST_ABSOLUTE SHELL_CIDA_ILCloneFull	(	_In_ const CIDA *	pCIDA,
		_In_ UINT	Index
	)

Definition at line 101 of file shldataobject.cpp.

{
    if (Index < pCIDA->cidl)
        return ILCombine(HIDA_GetPIDLFolder(pCIDA), HIDA_GetPIDLItem(pCIDA, Index));
    return NULL;
}

Referenced by DoGetFileTitle(), CCopyMoveToMenu::DoRealFileOp(), and SHELL_DataObject_ILCloneFullItem().

SHELL_CloneDataObject()

HRESULT SHELL_CloneDataObject	(	_In_ IDataObject *	pDO,
		_Out_ IDataObject **	ppDO
	)

Definition at line 116 of file shldataobject.cpp.

{
    *ppDO = NULL;
    CDataObjectHIDA cida(pDO);
    HRESULT hr = cida.hr();
    if (SUCCEEDED(hr))
    {
        PCUITEMID_CHILD items = HIDA_GetPIDLItem(cida, 0);
        hr = SHCreateFileDataObject(HIDA_GetPIDLFolder(cida), cida->cidl, &items, NULL, ppDO);
        if (SUCCEEDED(hr))
        {
            POINT pt;
            if (SUCCEEDED(DataObject_GetOffset(pDO, &pt)))
                DataObject_SetOffset(*ppDO, &pt);
        }
    }
    return hr;
}

Referenced by ShellPropSheetDialog::ShowPropertiesThread().

SHELL_DataObject_ILCloneFullItem()

PIDLIST_ABSOLUTE SHELL_DataObject_ILCloneFullItem	(	_In_ IDataObject *	pDO,
		_In_ UINT	Index
	)

Definition at line 108 of file shldataobject.cpp.

{
    if (!pDO)
        return NULL;
    CDataObjectHIDA cida(pDO);
    return SUCCEEDED(cida.hr()) ? SHELL_CIDA_ILCloneFull(cida, Index) : NULL;
}

Referenced by CCopyMoveToMenu::Initialize(), SHELL32_PropertySheet(), and SHELL_GetCaptionFromDataObject().

SHGetAttributesFromDataObject()

EXTERN_C HRESULT WINAPI SHGetAttributesFromDataObject	(	IDataObject *	pDataObject,
		DWORD	dwAttributeMask,
		DWORD *	pdwAttributes,
		UINT *	pcItems
	)

Definition at line 35 of file shldataobject.cpp.

{
    DWORD dwAttributes = 0;
    DWORD cItems = 0;
    HRESULT hr = S_OK;
 
    TRACE("(%p, 0x%x, %p, %p)\n", pDataObject, dwAttributeMask, pdwAttributes, pcItems);
 
    if (!g_DataObjectAttributes)
        g_DataObjectAttributes = (CLIPFORMAT)RegisterClipboardFormatW(L"DataObjectAttributes");
 
    if (pDataObject)
    {
        DataObjectAttributes data = {};
        if (FAILED(DataObject_GetData(pDataObject, g_DataObjectAttributes, &data, sizeof(data))))
        {
            TRACE("No attributes yet, creating new\n");
            memset(&data, 0, sizeof(data));
        }
 
        DWORD dwQueryAttributes = dwAttributeMask | dwDefaultAttributeMask;
 
        if ((data.dwMask & dwQueryAttributes) != dwQueryAttributes)
        {
            CDataObjectHIDA hida(pDataObject);
            CComPtr<IShellFolder> spFolder;
 
            if (!FAILED_UNEXPECTEDLY(hr = hida.hr()) &&
                !FAILED_UNEXPECTEDLY(hr = _BindToObject(HIDA_GetPIDLFolder(hida), spFolder)))
            {
                CSimpleArray<PCUIDLIST_RELATIVE> apidl;
                for (UINT n = 0; n < hida->cidl; ++n)
                {
                    apidl.Add(HIDA_GetPIDLItem(hida, n));
                }
 
                SFGAOF rgfInOut = dwQueryAttributes;
                hr = spFolder->GetAttributesOf(apidl.GetSize(), apidl.GetData(), &rgfInOut);
                if (!FAILED_UNEXPECTEDLY(hr))
                {
                    data.dwMask = dwQueryAttributes;
                    // Only store what we asked for
                    data.dwAttributes = rgfInOut & dwQueryAttributes;
                    data.cItems = apidl.GetSize();
 
                    HRESULT hr2;
                    hr2 = DataObject_SetData(pDataObject, g_DataObjectAttributes, &data, sizeof(data));
                    FAILED_UNEXPECTEDLY(hr2); // Report cache failure but don't fail the function
                }
            }
        }
 
        // Only give the user what they asked for, not everything else we have!
        dwAttributes = data.dwAttributes & dwAttributeMask;
        cItems = data.cItems;
    }
 
    if (pdwAttributes)
        *pdwAttributes = dwAttributes;
 
    if (pcItems)
        *pcItems = cItems;
 
    return hr;
}

Referenced by SHELL_LimitDropEffectToItemAttributes(), test_AttributesRegistration(), test_MultipleFiles(), and test_SpecialCases().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

shell

)

Variable Documentation

dwDefaultAttributeMask

const DWORD dwDefaultAttributeMask

static

Initial value:

= SFGAO_CANCOPY | SFGAO_CANMOVE | SFGAO_STORAGE | SFGAO_CANRENAME |
                                            SFGAO_CANDELETE | SFGAO_READONLY | SFGAO_STREAM | SFGAO_FOLDER

Definition at line 15 of file shldataobject.cpp.

Referenced by SHGetAttributesFromDataObject().

g_DataObjectAttributes

CLIPFORMAT g_DataObjectAttributes = 0

static

Definition at line 14 of file shldataobject.cpp.

Referenced by SHGetAttributesFromDataObject().