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;
}
 
EXTERN_C
BOOL WINAPI GetExeFromLnk(PCWSTR pszLnk, PWSTR pszExe, size_t cchSize)
{
    CCoInit init;
    if (FAILED_UNEXPECTEDLY(init.hr))
        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));
}