// @pymethod |PyIFileOperation|DeleteItems|Adds multiple delete operations to the configuration
PyObject *PyIFileOperation::DeleteItems(PyObject *self, PyObject *args)
{
IFileOperation *pIFO = GetI(self);
if ( pIFO == NULL )
return NULL;
// @pyparm <o PyIUnknown>|Items||<o PyIShellItemArray>, <o PyIDataObject>, or <o PyIEnumShellItems> containing the items to be deleted
PyObject *obItems;
IUnknown * pItems;
if ( !PyArg_ParseTuple(args, "O:DeleteItems", &obItems) )
return NULL;
if (!PyCom_InterfaceFromPyInstanceOrObject(obItems, IID_IUnknown, (void **)&pItems, FALSE))
return NULL;
HRESULT hr;
PY_INTERFACE_PRECALL;
hr = pIFO->DeleteItems(pItems);
pItems->Release();
PY_INTERFACE_POSTCALL;
if ( FAILED(hr) )
return PyCom_BuildPyException(hr, pIFO, IID_IFileOperation );
Py_INCREF(Py_None);
return Py_None;
}
bool OsShell::deleteItems(const std::vector<std::wstring>& items, bool moveToTrash, void * parentWindow)
{
ComInitializer comInitializer;
assert_r(parentWindow);
std::vector<ITEMIDLIST*> idLists;
for (auto& path: items)
{
__unaligned ITEMIDLIST* idl = ILCreateFromPathW(path.c_str());
if (!idl)
{
for (auto& pid : idLists)
ILFree(pid);
qInfo() << "ILCreateFromPathW" << "failed for path" << QString::fromWCharArray(path.c_str());
return false;
}
idLists.push_back(idl);
assert_r(idLists.back());
}
IShellItemArray * iArray = 0;
HRESULT result = SHCreateShellItemArrayFromIDLists((UINT)idLists.size(), (LPCITEMIDLIST*)idLists.data(), &iArray);
// Freeing memory
for (auto& pid: idLists)
ILFree(pid);
idLists.clear();
if (!SUCCEEDED(result) || !iArray)
{
qInfo() << "SHCreateShellItemArrayFromIDLists failed";
return false;
}
IFileOperation * iOperation = 0;
result = CoCreateInstance(CLSID_FileOperation, 0, CLSCTX_ALL, IID_IFileOperation, (void**)&iOperation);
if (!SUCCEEDED(result) || !iOperation)
{
qInfo() << "CoCreateInstance(CLSID_FileOperation, 0, CLSCTX_ALL, IID_IFileOperation, (void**)&iOperation) failed";
return false;
}
result = iOperation->DeleteItems(iArray);
if (!SUCCEEDED(result))
{
qInfo() << "DeleteItems failed";
}
else
{
if (moveToTrash)
{
result = iOperation->SetOperationFlags(FOF_ALLOWUNDO);
}
else
result = iOperation->SetOperationFlags(FOF_WANTNUKEWARNING);
if (!SUCCEEDED(result))
qInfo() << "SetOperationFlags failed";
result = iOperation->SetOwnerWindow((HWND) parentWindow);
if (!SUCCEEDED(result))
qInfo() << "SetOwnerWindow failed";
result = iOperation->PerformOperations();
if (!SUCCEEDED(result) && result != COPYENGINE_E_USER_CANCELLED)
{
qInfo() << "PerformOperations failed";
if (result == COPYENGINE_E_REQUIRES_ELEVATION)
qInfo() << "Elevation required";
}
else
result = S_OK;
}
iOperation->Release();
iArray->Release();
return SUCCEEDED(result);
}