/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include "ole2uno.hxx"

#include <comphelper/windowserrorstring.hxx>
#include <osl/thread.hxx>
#include <sal/log.hxx>

void o2u_attachCurrentThread()
{
    static osl::ThreadData oleThreadData;

    if (!bool(reinterpret_cast<sal_IntPtr>(oleThreadData.getData())))
    {
        HRESULT hr = CoInitializeEx(nullptr, COINIT_MULTITHREADED);
        if (!SUCCEEDED(hr))
        {   // FIXME: is it a problem that this ends up in STA currently?
            assert(RPC_E_CHANGED_MODE == hr);
            // Let's find out explicitly what apartment mode we are in.
            if (hr == RPC_E_CHANGED_MODE)
                SAL_INFO("extensions.olebridge", "CoInitializeEx failed (expectedly): "
                                                     << WindowsErrorStringFromHRESULT(hr));
            else
                SAL_WARN("extensions.olebridge",
                         "CoInitializeEx failed: " << WindowsErrorStringFromHRESULT(hr));
            APTTYPE nAptType;
            APTTYPEQUALIFIER nAptTypeQualifier;
            if (SUCCEEDED(CoGetApartmentType(&nAptType, &nAptTypeQualifier)))
            {
                SAL_INFO("extensions.olebridge",
                         "  Thread is in a "
                         << (nAptType == APTTYPE_STA ? OUString("single-threaded") :
                             (nAptType == APTTYPE_MTA ? OUString("multi-threaded") :
                              (nAptType == APTTYPE_NA ? OUString("neutral") :
                               (nAptType == APTTYPE_MAINSTA ? OUString("main single-threaded") :
                                ("unknown (") + OUString::number(nAptType) + ")"))))
                         << " apartment"
                         << (nAptTypeQualifier == APTTYPEQUALIFIER_NONE ? OUString() :
                             (nAptTypeQualifier == APTTYPEQUALIFIER_IMPLICIT_MTA ? OUString(" (implicit)") :
                              (nAptTypeQualifier == APTTYPEQUALIFIER_NA_ON_MTA ? OUString(" (on MTA)") :
                               (nAptTypeQualifier == APTTYPEQUALIFIER_NA_ON_STA ? OUString(" (on STA)") :
                                (nAptTypeQualifier == APTTYPEQUALIFIER_NA_ON_IMPLICIT_MTA ? OUString(" (on implicit MTA)") :
                                 (nAptTypeQualifier == APTTYPEQUALIFIER_NA_ON_MAINSTA ? OUString(" (on main STA)") :
                                  (" (with unknown qualifier (" + OUString::number(nAptTypeQualifier) + "))")))))))
                         << ".");
            }
        }
        oleThreadData.setData(reinterpret_cast<void*>(true));
    }
}

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