/* -*- 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 .

 */

#pragma once

#include <rtl/ref.hxx>

#include <ucbhelper/resultset.hxx>

#include <com/sun/star/container/XEnumeration.hpp>

#include <mutex>

#include <utility>

#include <vector>

namespace package_ucp {

class Content;

class DataSupplier : public ::ucbhelper::ResultSetDataSupplier

{

public:

    DataSupplier( css::uno::Reference< css::uno::XComponentContext > xContext,

                  const rtl::Reference< Content >& rContent );

    virtual ~DataSupplier() override;

    virtual OUString queryContentIdentifierString( std::unique_lock<std::mutex>& rResultSetGuard, sal_uInt32 nIndex ) override;

    virtual css::uno::Reference< css::ucb::XContentIdentifier >

    queryContentIdentifier( std::unique_lock<std::mutex>& rResultSetGuard, sal_uInt32 nIndex ) override;

    virtual css::uno::Reference< css::ucb::XContent >

    queryContent( std::unique_lock<std::mutex>& rResultSetGuard, sal_uInt32 nIndex ) override;

    virtual bool getResult( std::unique_lock<std::mutex>& rResultSetGuard, sal_uInt32 nIndex ) override;

    virtual sal_uInt32 totalCount(std::unique_lock<std::mutex>& rResultSetGuard) override;

    virtual sal_uInt32 currentCount() override;

    virtual bool isCountFinal() override;

    virtual css::uno::Reference< css::sdbc::XRow >

    queryPropertyValues( std::unique_lock<std::mutex>& rResultSetGuard, sal_uInt32 nIndex  ) override;

    virtual void releasePropertyValues( sal_uInt32 nIndex ) override;

    virtual void close() override;

    virtual void validate() override;

    OUString assembleChildURL( const OUString& aName );

private:

    bool getResultImpl( std::unique_lock<std::mutex>& rResultSetGuard, std::unique_lock<std::mutex>&, sal_uInt32 nIndex );

    OUString queryContentIdentifierStringImpl( std::unique_lock<std::mutex>& rResultSetGuard, std::unique_lock<std::mutex>&, sal_uInt32 nIndex );

    css::uno::Reference< css::ucb::XContentIdentifier > queryContentIdentifierImpl( std::unique_lock<std::mutex>& rResultSetGuard, std::unique_lock<std::mutex>&, sal_uInt32 nIndex );

    struct ResultListEntry

    {

        OUString                                  aURL;

        css::uno::Reference< css::ucb::XContentIdentifier > xId;

        css::uno::Reference< css::ucb::XContent >           xContent;

        css::uno::Reference< css::sdbc::XRow >              xRow;

        explicit ResultListEntry(OUString _aURL ) : aURL(std::move( _aURL )) {}

    };

    std::mutex                                   m_aMutex;

    std::vector< ResultListEntry >               m_aResults;

    rtl::Reference< Content >                    m_xContent;

    css::uno::Reference< css::uno::XComponentContext >     m_xContext;

    css::uno::Reference< css::container::XEnumeration >    m_xFolderEnum;

    bool                                     m_bCountFinal;

    bool                                     m_bThrowException;

};

}

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