reactos/dll/shellext/shellbtrfs/factory.cpp

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/* Copyright (c) Mark Harmstone 2016-17
*
* This file is part of WinBtrfs.
*
* WinBtrfs is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public Licence as published by
* the Free Software Foundation, either version 3 of the Licence, or
* (at your option) any later version.
*
* WinBtrfs is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public Licence for more details.
*
* You should have received a copy of the GNU Lesser General Public Licence
* along with WinBtrfs. If not, see <http://www.gnu.org/licenses/>. */
#include "shellext.h"
#include <windows.h>
#include "factory.h"
#include "iconoverlay.h"
#include "contextmenu.h"
#include "propsheet.h"
#include "volpropsheet.h"
HRESULT __stdcall Factory::QueryInterface(const IID& iid, void** ppv) {
if (iid == IID_IUnknown || iid == IID_IClassFactory) {
*ppv = static_cast<IClassFactory*>(this);
} else {
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*ppv = nullptr;
return E_NOINTERFACE;
}
reinterpret_cast<IUnknown*>(*ppv)->AddRef();
return S_OK;
}
HRESULT __stdcall Factory::LockServer(BOOL bLock) {
return E_NOTIMPL;
}
HRESULT __stdcall Factory::CreateInstance(IUnknown* pUnknownOuter, const IID& iid, void** ppv) {
if (pUnknownOuter)
return CLASS_E_NOAGGREGATION;
switch (type) {
case FactoryIconHandler:
if (iid == IID_IUnknown || iid == IID_IShellIconOverlayIdentifier) {
BtrfsIconOverlay* bio = new BtrfsIconOverlay;
if (!bio)
return E_OUTOFMEMORY;
return bio->QueryInterface(iid, ppv);
}
break;
case FactoryContextMenu:
if (iid == IID_IUnknown || iid == IID_IContextMenu || iid == IID_IShellExtInit) {
BtrfsContextMenu* bcm = new BtrfsContextMenu;
if (!bcm)
return E_OUTOFMEMORY;
return bcm->QueryInterface(iid, ppv);
}
break;
case FactoryPropSheet:
if (iid == IID_IUnknown || iid == IID_IShellPropSheetExt || iid == IID_IShellExtInit) {
BtrfsPropSheet* bps = new BtrfsPropSheet;
if (!bps)
return E_OUTOFMEMORY;
return bps->QueryInterface(iid, ppv);
}
break;
case FactoryVolPropSheet:
if (iid == IID_IUnknown || iid == IID_IShellPropSheetExt || iid == IID_IShellExtInit) {
BtrfsVolPropSheet* bps = new BtrfsVolPropSheet;
if (!bps)
return E_OUTOFMEMORY;
return bps->QueryInterface(iid, ppv);
}
break;
default:
break;
}
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*ppv = nullptr;
return E_NOINTERFACE;
}