nextcloud-desktop/shell_integration/windows/OCContextMenu/dllmain.cpp

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/**
* Copyright (c) 2015 Daniel Molkentin <danimo@owncloud.com>. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library 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 License for more
* details.
*/
#include "stdafx.h"
#include <windows.h>
#include <Guiddef.h>
#include "OCContextMenuRegHandler.h"
#include "OCContextMenuFactory.h"
// {841A0AAD-AA11-4B50-84D9-7F8E727D77D7}
static const GUID CLSID_FileContextMenuExt = { 0x841a0aad, 0xaa11, 0x4b50, { 0x84, 0xd9, 0x7f, 0x8e, 0x72, 0x7d, 0x77, 0xd7 } };
HINSTANCE g_hInst = NULL;
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 = CLASS_E_CLASSNOTAVAILABLE;
if (IsEqualCLSID(CLSID_FileContextMenuExt, rclsid)) {
hr = E_OUTOFMEMORY;
OCContextMenuFactory *pClassFactory = new OCContextMenuFactory();
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;
wchar_t szModule[MAX_PATH];
if (GetModuleFileName(g_hInst, szModule, ARRAYSIZE(szModule)) == 0) {
hr = HRESULT_FROM_WIN32(GetLastError());
return hr;
}
// Register the component.
hr = OCContextMenuRegHandler::RegisterInprocServer(szModule, CLSID_FileContextMenuExt,
L"OCContextMenuHandler Class", L"Apartment");
if (SUCCEEDED(hr)) {
// Register the context menu handler. The context menu handler is
// associated with the .cpp file class.
hr = OCContextMenuRegHandler::RegisterShellExtContextMenuHandler(L"AllFileSystemObjects", CLSID_FileContextMenuExt, L"OCContextMenuHandler");
}
return hr;
}
STDAPI DllUnregisterServer(void)
{
HRESULT hr = S_OK;
wchar_t szModule[MAX_PATH];
if (GetModuleFileName(g_hInst, szModule, ARRAYSIZE(szModule)) == 0) {
hr = HRESULT_FROM_WIN32(GetLastError());
return hr;
}
// Unregister the component.
hr = OCContextMenuRegHandler::UnregisterInprocServer(CLSID_FileContextMenuExt);
if (SUCCEEDED(hr)) {
// Unregister the context menu handler.
hr = OCContextMenuRegHandler::UnregisterShellExtContextMenuHandler(L"AllFileSystemObjects", L"OCContextMenuHandler");
}
return hr;
}