HRESULT WINAPI CRegFolder::CompareIDs(LPARAM lParam, PCUIDLIST_RELATIVE pidl1, PCUIDLIST_RELATIVE pidl2)
{
if (!pidl1 || !pidl2 || pidl1->mkid.cb == 0 || pidl2->mkid.cb == 0)
{
ERR("Got an empty pidl!\n");
return E_INVALIDARG;
}
GUID const *clsid1 = _ILGetGUIDPointer (pidl1);
GUID const *clsid2 = _ILGetGUIDPointer (pidl2);
if (!clsid1 && !clsid2)
{
ERR("Got no guid pidl!\n");
return E_INVALIDARG;
}
else if (clsid1 && clsid2)
{
if (memcmp(clsid1, clsid2, sizeof(GUID)) == 0)
return SHELL32_CompareChildren(this, lParam, pidl1, pidl2);
return SHELL32_CompareDetails(this, lParam, pidl1, pidl2);
}
/* Guid folders come first compared to everything else */
return MAKE_COMPARE_HRESULT(clsid1 ? -1 : 1);
}
HRESULT SHELL32_CompareGuidItems(IShellFolder2* isf, LPARAM lParam, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
{
if (pidl1->mkid.cb == 0 || pidl2->mkid.cb == 0)
{
ERR("Got an empty pidl!\n");
return E_INVALIDARG;
}
BOOL bIsGuidFolder1 = _ILIsSpecialFolder(pidl1);
BOOL bIsGuidFolder2 = _ILIsSpecialFolder(pidl2);
if (!bIsGuidFolder1 && !bIsGuidFolder2)
{
ERR("Got no guid pidl!\n");
return E_INVALIDARG;
}
else if (bIsGuidFolder1 && bIsGuidFolder2)
{
return SHELL32_CompareDetails(isf, lParam, pidl1, pidl2);
}
/* Guid folders come first compared to everything else */
return MAKE_COMPARE_HRESULT(bIsGuidFolder1 ? -1 : 1);
}
/**************************************************************************
* CPrinterFolder::CompareIDs
*/
HRESULT WINAPI CPrinterFolder::CompareIDs(LPARAM lParam, PCUIDLIST_RELATIVE pidl1, PCUIDLIST_RELATIVE pidl2)
{
return SHELL32_CompareDetails(this, lParam, pidl1, pidl2);
}
