/* -*- 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 <sfx2/sfxmodelfactory.hxx>

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

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

#include <comphelper/namedvaluecollection.hxx>

#include <osl/diagnose.h>

#include <algorithm>

namespace sfx2

{

    using ::com::sun::star::uno::Reference;

    using ::com::sun::star::uno::XInterface;

    using ::com::sun::star::uno::UNO_QUERY;

    using ::com::sun::star::uno::Any;

    using ::com::sun::star::uno::Sequence;

    using ::com::sun::star::beans::NamedValue;

    using ::com::sun::star::beans::PropertyValue;

    using ::com::sun::star::lang::XInitialization;

    namespace

    {

        struct IsSpecialArgument

        {

            static bool isSpecialArgumentName( std::u16string_view _rValueName )

            {

                return  _rValueName == u"EmbeddedObject" || _rValueName == u"EmbeddedScriptSupport" || _rValueName == u"DocumentRecoverySupport";

            }

            bool operator()( const Any& _rArgument ) const

            {

                NamedValue aNamedValue;

                if ( ( _rArgument >>= aNamedValue ) && isSpecialArgumentName( aNamedValue.Name ) )

                    return true;

                PropertyValue aPropertyValue;

                return ( _rArgument >>= aPropertyValue ) && isSpecialArgumentName( aPropertyValue.Name );

            }

        };

    }

    css::uno::Reference<css::uno::XInterface> createSfxModelInstance(

        const css::uno::Sequence<css::uno::Any> & _rArguments,

        std::function<css::uno::Reference<css::uno::XInterface>(SfxModelFlags)> creationFunc)

    {

        ::comphelper::NamedValueCollection aArgs( _rArguments );

        const bool bEmbeddedObject = aArgs.getOrDefault( u"EmbeddedObject"_ustr, false );

        const bool bScriptSupport = aArgs.getOrDefault( u"EmbeddedScriptSupport"_ustr, true );

        const bool bDocRecoverySupport = aArgs.getOrDefault( u"DocumentRecoverySupport"_ustr, true );

        SfxModelFlags nCreationFlags =

                ( bEmbeddedObject ? SfxModelFlags::EMBEDDED_OBJECT : SfxModelFlags::NONE )

            |   ( bScriptSupport ? SfxModelFlags::NONE : SfxModelFlags::DISABLE_EMBEDDED_SCRIPTS )

            |   ( bDocRecoverySupport ? SfxModelFlags::NONE : SfxModelFlags::DISABLE_DOCUMENT_RECOVERY );

        Reference< XInterface > xInstance( creationFunc(nCreationFlags ) );

        // to mimic the behaviour of the default factory's createInstanceWithArguments, we initialize

        // the object with the given arguments, stripped by the three special ones

        Sequence< Any > aStrippedArguments( _rArguments.getLength() );

        Any* pStrippedArgs = aStrippedArguments.getArray();

        Any* pStrippedArgsEnd = ::std::remove_copy_if(

            _rArguments.begin(),

            _rArguments.end(),

            pStrippedArgs,

            IsSpecialArgument()

        );

        aStrippedArguments.realloc( pStrippedArgsEnd - pStrippedArgs );

        if ( aStrippedArguments.hasElements() )

        {

            Reference< XInitialization > xModelInit( xInstance, UNO_QUERY );

            OSL_ENSURE( xModelInit.is(), "SfxModelFactory::createInstanceWithArguments: no XInitialization!" );

            if ( xModelInit.is() )

                xModelInit->initialize( aStrippedArguments );

        }

        return xInstance;

    }

} // namespace sfx2

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