reactos/dll/shellext/acppage/ACPPage.cpp

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/*
* PROJECT: ReactOS Compatibility Layer Shell Extension
* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
* PURPOSE: acppage entrypoint
* COPYRIGHT: Copyright 2015-2018 Mark Jansen (mark.jansen@reactos.org)
*/
#include "precomp.h"
#include <shellutils.h>
HMODULE g_hModule = NULL;
LONG g_ModuleRefCnt = 0;
class CLayerUIPropPageModule : public CComModule
{
public:
};
BEGIN_OBJECT_MAP(ObjectMap)
OBJECT_ENTRY(CLSID_CLayerUIPropPage, CLayerUIPropPage)
END_OBJECT_MAP()
CLayerUIPropPageModule gModule;
EXTERN_C
BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved)
{
switch (dwReason)
{
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls(hInstance);
g_hModule = hInstance;
gModule.Init(ObjectMap, hInstance, NULL);
break;
case DLL_PROCESS_DETACH:
gModule.Term();
break;
}
return(TRUE);
}
STDAPI DllCanUnloadNow()
{
if (g_ModuleRefCnt)
return S_FALSE;
return gModule.DllCanUnloadNow();
}
STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
{
return gModule.DllGetClassObject(rclsid, riid, ppv);
}
STDAPI DllRegisterServer()
{
HRESULT hr;
hr = gModule.DllRegisterServer(FALSE);
if (FAILED(hr))
return hr;
return S_OK;
}
STDAPI DllUnregisterServer()
{
HRESULT hr;
hr = gModule.DllUnregisterServer(FALSE);
if (FAILED(hr))
return hr;
return S_OK;
}
struct CCoInit
{
CCoInit() { hres = CoInitialize(NULL); }
~CCoInit() { if (SUCCEEDED(hres)) { CoUninitialize(); } }
HRESULT hres;
};
EXTERN_C
BOOL WINAPI GetExeFromLnk(PCWSTR pszLnk, PWSTR pszExe, size_t cchSize)
{
CCoInit init;
if (FAILED_UNEXPECTEDLY(init.hres))
return FALSE;
CComPtr<IShellLinkW> spShellLink;
if (FAILED_UNEXPECTEDLY(CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARG(IShellLinkW, &spShellLink))))
return FALSE;
CComPtr<IPersistFile> spPersistFile;
if (FAILED_UNEXPECTEDLY(spShellLink->QueryInterface(IID_PPV_ARG(IPersistFile, &spPersistFile))))
return FALSE;
if (FAILED_UNEXPECTEDLY(spPersistFile->Load(pszLnk, STGM_READ)) || FAILED_UNEXPECTEDLY(spShellLink->Resolve(NULL, SLR_NO_UI | SLR_NOUPDATE | SLR_NOSEARCH)))
return FALSE;
return !FAILED_UNEXPECTEDLY(spShellLink->GetPath(pszExe, cchSize, NULL, SLGP_RAWPATH));
}