/* -*- 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 <mutex>

#include <comphelper/processfactory.hxx>

#include <com/sun/star/beans/XPropertySet.hpp>

#include <com/sun/star/lang/XMultiServiceFactory.hpp>

#include <com/sun/star/uno/DeploymentException.hpp>

#include <com/sun/star/uno/XComponentContext.hpp>

using namespace ::com::sun::star;

using namespace com::sun::star::uno;

using namespace com::sun::star::lang;

namespace comphelper

{

namespace {

class LocalProcessFactory {

public:

    void set( const Reference< XMultiServiceFactory >& xSMgr )

    {

        std::unique_lock aGuard( maMutex );

        xProcessFactory = xSMgr;

    }

    Reference< XMultiServiceFactory > get() const

    {

        std::unique_lock aGuard( maMutex );

        return xProcessFactory;

    }

private:

    mutable std::mutex maMutex;

    Reference< XMultiServiceFactory > xProcessFactory;

};

/*

    This var preserves only that the above xProcessFactory variable will not be create when

    the library is loaded.

*/

LocalProcessFactory localProcessFactory;

}

void setProcessServiceFactory(const Reference< XMultiServiceFactory >& xSMgr)

{

    localProcessFactory.set( xSMgr );

}

Reference< XMultiServiceFactory > getProcessServiceFactory()

{

    Reference< XMultiServiceFactory> xReturn = localProcessFactory.get();

    if ( !xReturn.is() )

    {

        throw DeploymentException( u"null process service factory"_ustr );

    }

    return xReturn;

}

Reference< XComponentContext > getComponentContext(

    Reference< XMultiServiceFactory > const & factory)

{

    Reference< XComponentContext > xRet;

    uno::Reference<beans::XPropertySet> const xProps( factory, uno::UNO_QUERY );

    if (xProps.is()) {

        static constexpr OUStringLiteral DEFAULT_CONTEXT = u"DefaultContext";

        try {

            xRet.set( xProps->getPropertyValue(DEFAULT_CONTEXT),

                      uno::UNO_QUERY );

        }

        catch (beans::UnknownPropertyException & e) {

            throw DeploymentException(

                "unknown service factory DefaultContext property: " + e.Message,

                Reference<XInterface>(factory, UNO_QUERY) );

        }

    }

    if ( !xRet.is() )

    {

        throw DeploymentException(

            u"no service factory DefaultContext"_ustr,

            Reference<XInterface>(factory, UNO_QUERY) );

    }

    return xRet;

}

const Reference< XComponentContext > & getProcessComponentContext()

{

    static const uno::Reference<XComponentContext> processComponentContext = getComponentContext( getProcessServiceFactory() );

    return processComponentContext;

}

} // namespace comphelper

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