svl/source/fsstor/ostreamcontainer.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.
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   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_OSTREAMCONTAINER_HXX
  21 #define INCLUDED_SVL_SOURCE_FSSTOR_OSTREAMCONTAINER_HXX
  22
  23 #include <com/sun/star/lang/XTypeProvider.hpp>
  24 #include <com/sun/star/embed/XExtendedStorageStream.hpp>
  25 #include <com/sun/star/io/XSeekable.hpp>
  26 #include <com/sun/star/io/XTruncate.hpp>
  27 #include <com/sun/star/io/XInputStream.hpp>
  28 #include <com/sun/star/io/XOutputStream.hpp>
  29 #include <com/sun/star/io/XStream.hpp>
  30 #include <com/sun/star/io/XAsyncOutputMonitor.hpp>
  31 #include <cppuhelper/weak.hxx>
  32 #include <comphelper/interfacecontainer4.hxx>
  33 #include <mutex>
  34
  35 class OFSStreamContainer : public cppu::OWeakObject,
  36                      public css::lang::XTypeProvider,
  37                      public css::embed::XExtendedStorageStream,
  38                      public css::io::XSeekable,
  39                      public css::io::XInputStream,
  40                      public css::io::XOutputStream,
  41                      public css::io::XTruncate,
  42                      public css::io::XAsyncOutputMonitor
  43 {
  44     std::mutex m_aMutex;
  45
  46     css::uno::Reference< css::io::XStream >               m_xStream;
  47     css::uno::Reference< css::io::XSeekable >             m_xSeekable;
  48     css::uno::Reference< css::io::XInputStream >          m_xInputStream;
  49     css::uno::Reference< css::io::XOutputStream >         m_xOutputStream;
  50     css::uno::Reference< css::io::XTruncate >             m_xTruncate;
  51     css::uno::Reference< css::io::XAsyncOutputMonitor >   m_xAsyncOutputMonitor;
  52
  53     bool m_bDisposed;
  54     bool m_bInputClosed;
  55     bool m_bOutputClosed;
  56
  57     ::comphelper::OInterfaceContainerHelper4<css::lang::XEventListener> m_aListenersContainer; // list of listeners
  58     css::uno::Sequence<css::uno::Type> m_aTypes;
  59
  60 public:
  61     explicit OFSStreamContainer( const css::uno::Reference < css::io::XStream >& xStream );
  62     virtual ~OFSStreamContainer() override;
  63
  64     // XInterface
  65     virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type& rType ) override;
  66     virtual void SAL_CALL acquire() noexcept override;
  67     virtual void SAL_CALL release() noexcept override;
  68
  69     //  XTypeProvider
  70     virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() override;
  71     virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() override;
  72
  73     // XStream
  74     virtual css::uno::Reference< css::io::XInputStream > SAL_CALL getInputStream(  ) override;
  75     virtual css::uno::Reference< css::io::XOutputStream > SAL_CALL getOutputStream(  ) override;
  76
  77     // XComponent
  78     virtual void SAL_CALL dispose() override;
  79     virtual void SAL_CALL addEventListener( const css::uno::Reference< css::lang::XEventListener >& xListener ) override;
  80     virtual void SAL_CALL removeEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener ) override;
  81
  82     // XSeekable
  83     virtual void SAL_CALL seek( sal_Int64 location ) override;
  84     virtual sal_Int64 SAL_CALL getPosition() override;
  85     virtual sal_Int64 SAL_CALL getLength() override;
  86
  87     // XInputStream
  88     virtual sal_Int32 SAL_CALL readBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) override;
  89     virtual sal_Int32 SAL_CALL readSomeBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) override;
  90     virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip ) override;
  91     virtual sal_Int32 SAL_CALL available(  ) override;
  92     virtual void SAL_CALL closeInput(  ) override;
  93
  94     // XOutputStream
  95     virtual void SAL_CALL writeBytes( const css::uno::Sequence< sal_Int8 >& aData ) override;
  96     virtual void SAL_CALL flush(  ) override;
  97     virtual void SAL_CALL closeOutput(  ) override;
  98
  99     // XTruncate
 100     virtual void SAL_CALL truncate() override;
 101
 102     // XAsyncOutputMonitor
 103     virtual void SAL_CALL waitForCompletion(  ) override;
 104
 105 };
 106
 107 #endif
 108
 109 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */