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/*
* SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2015 ownCloud GmbH
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include <windows.h>
#include <Guiddef.h>
#include "NCContextMenuRegHandler.h"
#include "NCContextMenuFactory.h"
#include "WinShellExtConstants.h"
HINSTANCE g_hInst = nullptr;
long g_cDllRef = 0;
BOOL APIENTRY DllMain(HMODULE hModule, DWORD dwReason, LPVOID lpReserved)
{
switch (dwReason)
{
case DLL_PROCESS_ATTACH:
// Hold the instance of this DLL module, we will use it to get the
// path of the DLL to register the component.
g_hInst = hModule;
DisableThreadLibraryCalls(hModule);
break;
case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
case DLL_PROCESS_DETACH:
break;
}
return TRUE;
}
STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
{
HRESULT hr = 0;
GUID guid;
hr = CLSIDFromString(CONTEXT_MENU_GUID, (LPCLSID)&guid);
if (!SUCCEEDED(hr)) {
return hr;
}
hr = CLASS_E_CLASSNOTAVAILABLE;
if (IsEqualCLSID(guid, rclsid)) {
hr = E_OUTOFMEMORY;
auto pClassFactory = new NCContextMenuFactory();
if (pClassFactory) {
hr = pClassFactory->QueryInterface(riid, ppv);
pClassFactory->Release();
}
}
return hr;
}
STDAPI DllCanUnloadNow(void)
{
return g_cDllRef > 0 ? S_FALSE : S_OK;
}
STDAPI DllRegisterServer(void)
{
HRESULT hr = 0;
GUID guid;
hr = CLSIDFromString(CONTEXT_MENU_GUID, (LPCLSID)&guid);
if (!SUCCEEDED(hr)) {
return hr;
}
wchar_t szModule[MAX_PATH];
if (GetModuleFileName(g_hInst, szModule, ARRAYSIZE(szModule)) == 0) {
hr = HRESULT_FROM_WIN32(GetLastError());
return hr;
}
// Register the component.
hr = NCContextMenuRegHandler::RegisterInprocServer(szModule, guid,
CONTEXT_MENU_DESCRIPTION, L"Apartment");
if (SUCCEEDED(hr)) {
// Register the context menu handler. The context menu handler is
// associated with the .cpp file class.
hr = NCContextMenuRegHandler::RegisterShellExtContextMenuHandler(L"AllFileSystemObjects", guid, CONTEXT_MENU_REGKEY_NAME);
}
return hr;
}
STDAPI DllUnregisterServer(void)
{
HRESULT hr = S_OK;
GUID guid;
hr = CLSIDFromString(CONTEXT_MENU_GUID, (LPCLSID)&guid);
if (!SUCCEEDED(hr)) {
return hr;
}
wchar_t szModule[MAX_PATH];
if (GetModuleFileName(g_hInst, szModule, ARRAYSIZE(szModule)) == 0) {
hr = HRESULT_FROM_WIN32(GetLastError());
return hr;
}
// Unregister the component.
hr = NCContextMenuRegHandler::UnregisterInprocServer(guid);
if (SUCCEEDED(hr)) {
// Unregister the context menu handler.
hr = NCContextMenuRegHandler::UnregisterShellExtContextMenuHandler(L"AllFileSystemObjects", CONTEXT_MENU_REGKEY_NAME);
}
return hr;
}
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