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/* -*- 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 <com/sun/star/uno/Reference.hxx>
#include <osl/conditn.hxx>
#include <tools/stream.hxx>
#include <comphelper/errcode.hxx>
#include <mutex>
namespace com
{
namespace sun
{
namespace star
{
namespace task
{
class XInteractionHandler;
}
namespace io
{
class XStream;
class XInputStream;
class XOutputStream;
class XSeekable;
}
namespace ucb
{
class XContent;
}
namespace beans
{
struct PropertyValue;
}
}
}
}
namespace utl
{
class UcbLockBytes;
typedef tools::SvRef<UcbLockBytes> UcbLockBytesRef;
class UcbLockBytes : public SvLockBytes
{
osl::Condition m_aInitialized;
osl::Condition m_aTerminated;
std::mutex m_aMutex;
css::uno::Reference < css::io::XInputStream > m_xInputStream;
css::uno::Reference < css::io::XOutputStream > m_xOutputStream;
css::uno::Reference < css::io::XSeekable > m_xSeekable;
ErrCode m_nError;
bool m_bTerminated;
bool m_bDontClose;
bool m_bStreamValid;
UcbLockBytes();
protected:
virtual ~UcbLockBytes() override;
public:
// properties: Referer, PostMimeType
static UcbLockBytesRef CreateLockBytes( const css::uno::Reference < css::ucb::XContent >& xContent,
const css::uno::Sequence < css::beans::PropertyValue >& rProps,
StreamMode eMode,
const css::uno::Reference < css::task::XInteractionHandler >& xInter );
static UcbLockBytesRef CreateInputLockBytes( const css::uno::Reference < css::io::XInputStream >& xContent );
static UcbLockBytesRef CreateLockBytes( const css::uno::Reference < css::io::XStream >& xContent );
// SvLockBytes
virtual ErrCode ReadAt(sal_uInt64 nPos, void *pBuffer, std::size_t nCount, std::size_t *pRead) const override;
virtual ErrCode WriteAt(sal_uInt64, const void*, std::size_t, std::size_t *pWritten) override;
virtual ErrCode Flush() const override;
virtual ErrCode SetSize(sal_uInt64) override;
virtual ErrCode Stat ( SvLockBytesStat *pStat ) const override;
void SetError( ErrCode nError )
{ m_nError = nError; }
ErrCode const & GetError() const
{ return m_nError; }
// calling this method delegates the responsibility to call closeinput to the caller!
css::uno::Reference < css::io::XInputStream > getInputStream();
bool setInputStream( const css::uno::Reference < css::io::XInputStream > &rxInputStream,
bool bSetXSeekable = true );
void setStream( const css::uno::Reference < css::io::XStream > &rxStream );
void terminate();
css::uno::Reference < css::io::XInputStream > getInputStream() const
{
std::unique_lock aGuard( const_cast< UcbLockBytes* >(this)->m_aMutex );
return m_xInputStream;
}
css::uno::Reference < css::io::XOutputStream > getOutputStream() const
{
std::unique_lock aGuard( const_cast< UcbLockBytes* >(this)->m_aMutex );
return m_xOutputStream;
}
css::uno::Reference < css::io::XSeekable > getSeekable() const
{
std::unique_lock aGuard( const_cast< UcbLockBytes* >(this)->m_aMutex );
return m_xSeekable;
}
void setDontClose()
{ m_bDontClose = true; }
void SetStreamValid();
private:
bool setInputStreamImpl( std::unique_lock<std::mutex>& rGuard,
const css::uno::Reference < css::io::XInputStream > &rxInputStream,
bool bSetXSeekable = true );
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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