/* -*- 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/ustring.hxx>

#include <com/sun/star/io/XSeekable.hpp>

#include <com/sun/star/io/XTruncate.hpp>

#include <com/sun/star/io/XInputStream.hpp>

#include <com/sun/star/io/XOutputStream.hpp>

#include <com/sun/star/io/XStream.hpp>

#include <com/sun/star/io/XAsyncOutputMonitor.hpp>

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

#include <comphelper/bytereader.hxx>

#include <cppuhelper/implbase.hxx>

#include <mutex>

#include "filrec.hxx"

enum class TaskHandlerErr;

namespace fileaccess {

class XStream_impl :  public cppu::WeakImplHelper<

    css::io::XStream,

    css::io::XSeekable,

    css::io::XInputStream,

    css::io::XOutputStream,

    css::io::XTruncate,

    css::io::XAsyncOutputMonitor >,

    public comphelper::ByteReader

    {

    public:

        XStream_impl( const OUString& aUncPath, bool bLock );

        /**

         *  Returns an error code as given by filerror.hxx

         */

        TaskHandlerErr CtorSuccess() const { return m_nErrorCode;}

        sal_Int32 getMinorError() const { return m_nMinorErrorCode;}

        virtual ~XStream_impl() override;

        // XStream

        virtual css::uno::Reference< css::io::XInputStream > SAL_CALL

        getInputStream() override;

        virtual css::uno::Reference< css::io::XOutputStream > SAL_CALL

        getOutputStream() override;

        // XTruncate

        virtual void SAL_CALL truncate() override;

        // XInputStream

        sal_Int32 SAL_CALL

        readBytes(

            css::uno::Sequence< sal_Int8 >& aData,

            sal_Int32 nBytesToRead ) override;

        sal_Int32 SAL_CALL

        readSomeBytes(

            css::uno::Sequence< sal_Int8 >& aData,

            sal_Int32 nMaxBytesToRead ) override;

        void SAL_CALL

        skipBytes( sal_Int32 nBytesToSkip ) override;

        sal_Int32 SAL_CALL

        available() override;

        void SAL_CALL

        closeInput() override;

        // XSeekable

        void SAL_CALL

        seek( sal_Int64 location ) override;

        sal_Int64 SAL_CALL

        getPosition() override;

        sal_Int64 SAL_CALL

        getLength() override;

        // XOutputStream

        void SAL_CALL

        writeBytes( const css::uno::Sequence< sal_Int8 >& aData ) override;

        void SAL_CALL

        flush() override;

        void SAL_CALL

        closeOutput() override;

        virtual void SAL_CALL waitForCompletion() override;

        // utl::ByteReader

        virtual sal_Int32

        readSomeBytes(

            sal_Int8* aData,

            sal_Int32 nMaxBytesToRead ) override;

    private:

        std::mutex   m_aMutex;

        bool         m_bInputStreamCalled,m_bOutputStreamCalled;

        bool         m_nIsOpen;

        ReconnectingFile    m_aFile;

        TaskHandlerErr                                     m_nErrorCode;

        sal_Int32                                          m_nMinorErrorCode;

        // Implementation methods

        /// @throws css::io::NotConnectedException

        /// @throws css::io::IOException

        /// @throws css::uno::RuntimeException

        void

        closeStream();

    };

}  // end namespace XStream_impl

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */