package/source/zippackage/wrapstreamforshare.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_PACKAGE_SOURCE_ZIPPACKAGE_WRAPSTREAMFORSHARE_HXX
  21 #define INCLUDED_PACKAGE_SOURCE_ZIPPACKAGE_WRAPSTREAMFORSHARE_HXX
  22
  23 #include <com/sun/star/io/XInputStream.hpp>
  24 #include <com/sun/star/io/XSeekable.hpp>
  25 #include <comphelper/bytereader.hxx>
  26 #include <comphelper/refcountedmutex.hxx>
  27 #include <cppuhelper/implbase.hxx>
  28 #include <rtl/ref.hxx>
  29
  30 class WrapStreamForShare final : public cppu::WeakImplHelper < css::io::XInputStream
  31                                                         , css::io::XSeekable >,
  32                                 public comphelper::ByteReader
  33 {
  34     rtl::Reference< comphelper::RefCountedMutex > m_xMutex;
  35     css::uno::Reference < css::io::XInputStream > m_xInStream;
  36     comphelper::ByteReader* mpByteReader;
  37     css::uno::Reference < css::io::XSeekable > m_xSeekable;
  38
  39     sal_Int64 m_nCurPos;
  40
  41 public:
  42     WrapStreamForShare( css::uno::Reference< css::io::XInputStream > xInStream,
  43                         rtl::Reference< comphelper::RefCountedMutex > xMutexRef );
  44     virtual ~WrapStreamForShare() override;
  45
  46     // XInputStream
  47     virtual sal_Int32 SAL_CALL readBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) override;
  48     virtual sal_Int32 SAL_CALL readSomeBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) override;
  49     virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip ) override;
  50     virtual sal_Int32 SAL_CALL available(  ) override;
  51     virtual void SAL_CALL closeInput(  ) override;
  52
  53     //XSeekable
  54     virtual void SAL_CALL seek( sal_Int64 location ) override;
  55     virtual sal_Int64 SAL_CALL getPosition() override;
  56     virtual sal_Int64 SAL_CALL getLength() override;
  57
  58     // comphelper::ByteReader
  59     virtual sal_Int32 readSomeBytes(sal_Int8* aData, sal_Int32 nBytesToRead) override;
  60 };
  61
  62 #endif
  63
  64 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */