/* -*- 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 "itemholder2.hxx"

#include <osl/diagnose.h>

#include <comphelper/processfactory.hxx>

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

#include <com/sun/star/configuration/theDefaultProvider.hpp>

#include <svtools/colorcfg.hxx>

#include <unotools/options.hxx>

#include <svtools/miscopt.hxx>

#include <comphelper/diagnose_ex.hxx>

#include <rtl/ref.hxx>

namespace svtools {

ItemHolder2::ItemHolder2()

{

    try

    {

        const css::uno::Reference< css::uno::XComponentContext >& xContext = ::comphelper::getProcessComponentContext();

        css::uno::Reference< css::lang::XComponent > xCfg(

            css::configuration::theDefaultProvider::get( xContext ),

            css::uno::UNO_QUERY_THROW );

        xCfg->addEventListener(static_cast< css::lang::XEventListener* >(this));

    }

    catch(const css::uno::RuntimeException&)

    {

        throw;

    }

#ifdef DBG_UTIL

    catch(const css::uno::Exception&)

    {

        static bool bMessage = true;

        if(bMessage)

        {

            bMessage = false;

            TOOLS_WARN_EXCEPTION( "svtools", "CreateInstance with arguments" );

        }

    }

#else

    catch(css::uno::Exception&){}

#endif

}

ItemHolder2::~ItemHolder2()

{

    impl_releaseAllItems();

}

void ItemHolder2::holdConfigItem(EItem eItem)

{

    static rtl::Reference<ItemHolder2> pHolder = new ItemHolder2();

    pHolder->impl_addItem(eItem);

}

void SAL_CALL ItemHolder2::disposing(const css::lang::EventObject&)

{

    impl_releaseAllItems();

}

void ItemHolder2::impl_addItem(EItem eItem)

{

    std::scoped_lock aLock(m_aLock);

    for ( auto const & rInfo : m_lItems )

    {

        if (rInfo.eItem == eItem)

            return;

    }

    TItemInfo aNewItem;

    aNewItem.eItem = eItem;

    impl_newItem(aNewItem);

    if (aNewItem.pItem)

        m_lItems.emplace_back(std::move(aNewItem));

}

void ItemHolder2::impl_releaseAllItems()

{

    std::vector<TItemInfo> items;

    {

        std::scoped_lock aLock(m_aLock);

        items.swap(m_lItems);

    }

    // items will be freed when the block exits

}

void ItemHolder2::impl_newItem(TItemInfo& rItem)

{

    switch(rItem.eItem)

    {

        case EItem::ColorConfig :

            rItem.pItem.reset( new ::svtools::ColorConfig() );

            break;

        case EItem::MiscOptions :

            rItem.pItem.reset( new SvtMiscOptions() );

            break;

        default:

            OSL_ASSERT(false);

            break;

    }

}

} // namespace svtools

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