svl/source/fsstor/oinputstreamcontainer.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_SVL_SOURCE_FSSTOR_OINPUTSTREAMCONTAINER_HXX
  21 #define INCLUDED_SVL_SOURCE_FSSTOR_OINPUTSTREAMCONTAINER_HXX
  22
  23 #include <com/sun/star/io/XInputStream.hpp>
  24 #include <com/sun/star/embed/XExtendedStorageStream.hpp>
  25 #include <com/sun/star/io/XSeekable.hpp>
  26
  27
  28 #include <cppuhelper/implbase.hxx>
  29 #include <comphelper/interfacecontainer2.hxx>
  30
  31 #include <osl/mutex.hxx>
  32 #include <memory>
  33
  34 class OFSInputStreamContainer : public cppu::WeakImplHelper < css::io::XInputStream
  35                                                             ,css::embed::XExtendedStorageStream >
  36                             , public css::io::XSeekable
  37 {
  38     ::osl::Mutex m_aMutex;
  39
  40     css::uno::Reference < css::io::XInputStream > m_xInputStream;
  41     css::uno::Reference < css::io::XSeekable > m_xSeekable;
  42
  43     bool m_bSeekable;
  44
  45     bool m_bDisposed;
  46
  47     std::unique_ptr<::comphelper::OInterfaceContainerHelper2> m_pListenersContainer; // list of listeners
  48
  49 public:
  50     explicit OFSInputStreamContainer( const css::uno::Reference < css::io::XInputStream >& xStream );
  51
  52     virtual ~OFSInputStreamContainer() override;
  53
  54     virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() override;
  55     virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type& rType ) override;
  56     virtual void SAL_CALL acquire() throw() override;
  57     virtual void SAL_CALL release() throw() override;
  58
  59     // XInputStream
  60     virtual sal_Int32 SAL_CALL readBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) override;
  61     virtual sal_Int32 SAL_CALL readSomeBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) override;
  62     virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip ) override;
  63     virtual sal_Int32 SAL_CALL available(  ) override;
  64     virtual void SAL_CALL closeInput(  ) override;
  65
  66     //XStream
  67     virtual css::uno::Reference< css::io::XInputStream > SAL_CALL getInputStream(  ) override;
  68     virtual css::uno::Reference< css::io::XOutputStream > SAL_CALL getOutputStream(  ) override;
  69
  70     //XSeekable
  71     virtual void SAL_CALL seek( sal_Int64 location ) override;
  72     virtual sal_Int64 SAL_CALL getPosition() override;
  73     virtual sal_Int64 SAL_CALL getLength() override;
  74
  75     //XComponent
  76     virtual void SAL_CALL dispose() override;
  77     virtual void SAL_CALL addEventListener( const css::uno::Reference< css::lang::XEventListener >& xListener ) override;
  78     virtual void SAL_CALL removeEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener ) override;
  79
  80 };
  81
  82 #endif
  83
  84 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */