/* -*- 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 <sal/config.h>

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

#include <uielement/itemcontainer.hxx>

#include <uielement/constitemcontainer.hxx>

#include <comphelper/servicehelper.hxx>

#include <rtl/ref.hxx>

using namespace cppu;

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

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

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

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

constexpr OUString WRONG_TYPE_EXCEPTION

    = u"Type must be css::uno::Sequence< css::beans::PropertyValue >"_ustr;

namespace framework

{

//  XInterface, XTypeProvider

ItemContainer::ItemContainer( const ShareableMutex& rMutex ) :

    m_aShareMutex( rMutex )

{

}

ItemContainer::ItemContainer( const ConstItemContainer& rConstItemContainer, const ShareableMutex& rMutex ) : m_aShareMutex( rMutex )

{

    copyItemContainer( rConstItemContainer.m_aItemVector, rMutex );

}

ItemContainer::ItemContainer( const Reference< XIndexAccess >& rSourceContainer, const ShareableMutex& rMutex ) :

    m_aShareMutex( rMutex )

{

    if ( !rSourceContainer.is() )

        return;

    sal_Int32 nCount = rSourceContainer->getCount();

    try

    {

        for ( sal_Int32 i = 0; i < nCount; i++ )

        {

            Sequence< PropertyValue > aPropSeq;

            if ( rSourceContainer->getByIndex( i ) >>= aPropSeq )

            {

                sal_Int32 nContainerIndex = -1;

                Reference< XIndexAccess > xIndexAccess;

                for ( sal_Int32 j = 0; j < aPropSeq.getLength(); j++ )

                {

                    if ( aPropSeq[j].Name == "ItemDescriptorContainer" )

                    {

                        aPropSeq[j].Value >>= xIndexAccess;

                        nContainerIndex = j;

                        break;

                    }

                }

                if ( xIndexAccess.is() && nContainerIndex >= 0 )

                    aPropSeq.getArray()[nContainerIndex].Value <<= Reference<XIndexAccess>(deepCopyContainer( xIndexAccess, rMutex ));

                m_aItemVector.push_back( aPropSeq );

            }

        }

    }

    catch ( const IndexOutOfBoundsException& )

    {

    }

}

ItemContainer::~ItemContainer()

{

}

// private

void ItemContainer::copyItemContainer( const std::vector< Sequence< PropertyValue > >& rSourceVector, const ShareableMutex& rMutex )

{

    const sal_uInt32 nCount = rSourceVector.size();

    for ( sal_uInt32 i = 0; i < nCount; ++i )

    {

        sal_Int32 nContainerIndex = -1;

        Sequence< PropertyValue > aPropSeq( rSourceVector[i] );

        Reference< XIndexAccess > xIndexAccess;

        for ( sal_Int32 j = 0; j < aPropSeq.getLength(); j++ )

        {

            if ( aPropSeq[j].Name == "ItemDescriptorContainer" )

            {

                aPropSeq[j].Value >>= xIndexAccess;

                nContainerIndex = j;

                break;

            }

        }

        if ( xIndexAccess.is() && nContainerIndex >= 0 )

            aPropSeq.getArray()[nContainerIndex].Value <<= Reference<XIndexAccess>(deepCopyContainer( xIndexAccess, rMutex ));

        m_aItemVector.push_back( aPropSeq );

    }

}

rtl::Reference< ItemContainer > ItemContainer::deepCopyContainer( const Reference< XIndexAccess >& rSubContainer, const ShareableMutex& rMutex )

{

    rtl::Reference< ItemContainer > xReturn;

    if ( rSubContainer.is() )

    {

        ConstItemContainer* pSource = dynamic_cast<ConstItemContainer*>( rSubContainer.get() );

        if ( pSource )

            xReturn = new ItemContainer( *pSource, rMutex );

        else

            xReturn = new ItemContainer( rSubContainer, rMutex );

    }

    return xReturn;

}

// XElementAccess

sal_Bool SAL_CALL ItemContainer::hasElements()

{

    ShareGuard aLock( m_aShareMutex );

    return ( !m_aItemVector.empty() );

}

// XIndexAccess

sal_Int32 SAL_CALL ItemContainer::getCount()

{

    ShareGuard aLock( m_aShareMutex );

    return m_aItemVector.size();

}

Any SAL_CALL ItemContainer::getByIndex( sal_Int32 Index )

{

    ShareGuard aLock( m_aShareMutex );

    if ( sal_Int32( m_aItemVector.size()) <= Index )

        throw IndexOutOfBoundsException( OUString(), static_cast<OWeakObject *>(this) );

    return Any( m_aItemVector[Index] );

}

// XIndexContainer

void SAL_CALL ItemContainer::insertByIndex( sal_Int32 Index, const Any& aItem )

{

    Sequence< PropertyValue > aSeq;

    if ( !(aItem >>= aSeq) )

        throw IllegalArgumentException( WRONG_TYPE_EXCEPTION,

                                        static_cast<OWeakObject *>(this), 2 );

    ShareGuard aLock( m_aShareMutex );

    if ( sal_Int32( m_aItemVector.size()) == Index )

        m_aItemVector.push_back( aSeq );

    else if ( sal_Int32( m_aItemVector.size()) >Index )

    {

        std::vector< Sequence< PropertyValue > >::iterator aIter = m_aItemVector.begin();

        aIter += Index;

        m_aItemVector.insert( aIter, aSeq );

    }

    else

        throw IndexOutOfBoundsException( OUString(), static_cast<OWeakObject *>(this) );

}

void SAL_CALL ItemContainer::removeByIndex( sal_Int32 nIndex )

{

    ShareGuard aLock( m_aShareMutex );

    if ( static_cast<sal_Int32>(m_aItemVector.size()) <= nIndex )

        throw IndexOutOfBoundsException( OUString(), static_cast<OWeakObject *>(this) );

    m_aItemVector.erase(m_aItemVector.begin() + nIndex);

}

void SAL_CALL ItemContainer::replaceByIndex( sal_Int32 Index, const Any& aItem )

{

    Sequence< PropertyValue > aSeq;

    if ( !(aItem >>= aSeq) )

        throw IllegalArgumentException( WRONG_TYPE_EXCEPTION,

                                        static_cast<OWeakObject *>(this), 2 );

    ShareGuard aLock( m_aShareMutex );

    if ( sal_Int32( m_aItemVector.size()) <= Index )

        throw IndexOutOfBoundsException( OUString(), static_cast<OWeakObject *>(this) );

    m_aItemVector[Index] = std::move(aSeq);

}

} // namespace framework

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