svl/source/items/lckbitem.cxx

   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 #include <svl/lckbitem.hxx>
  21 #include <tools/stream.hxx>
  22 #include <osl/diagnose.h>
  23 #include <com/sun/star/uno/Any.hxx>
  24 #include <com/sun/star/uno/Sequence.hxx>
  25
  26
  27 SfxPoolItem* SfxLockBytesItem::CreateDefault() { return new SfxLockBytesItem; }
  28
  29
  30 SfxLockBytesItem::SfxLockBytesItem()
  31 {
  32 }
  33
  34
  35 SfxLockBytesItem::~SfxLockBytesItem()
  36 {
  37 }
  38
  39
  40 bool SfxLockBytesItem::operator==( const SfxPoolItem& rItem ) const
  41 {
  42     return SfxPoolItem::operator==(rItem) && static_cast<const SfxLockBytesItem&>(rItem)._xVal == _xVal;
  43 }
  44
  45 SfxLockBytesItem* SfxLockBytesItem::Clone(SfxItemPool *) const
  46 {
  47     return new SfxLockBytesItem( *this );
  48 }
  49
  50 // virtual
  51 bool SfxLockBytesItem::PutValue( const css::uno::Any& rVal, sal_uInt8 )
  52 {
  53     css::uno::Sequence< sal_Int8 > aSeq;
  54     if ( rVal >>= aSeq )
  55     {
  56         if ( aSeq.hasElements() )
  57         {
  58             SvMemoryStream* pStream = new SvMemoryStream();
  59             pStream->WriteBytes( aSeq.getConstArray(), aSeq.getLength() );
  60             pStream->Seek(0);
  61
  62             _xVal = new SvLockBytes( pStream, true );
  63         }
  64         else
  65             _xVal = nullptr;
  66
  67         return true;
  68     }
  69
  70     OSL_FAIL( "SfxLockBytesItem::PutValue - Wrong type!" );
  71     return true;
  72 }
  73
  74 // virtual
  75 bool SfxLockBytesItem::QueryValue( css::uno::Any& rVal, sal_uInt8 ) const
  76 {
  77     if ( _xVal.is() )
  78     {
  79         sal_uInt32 nLen;
  80         SvLockBytesStat aStat;
  81
  82         if ( _xVal->Stat( &aStat ) == ERRCODE_NONE )
  83             nLen = aStat.nSize;
  84         else
  85             return false;
  86
  87         std::size_t nRead = 0;
  88         css::uno::Sequence< sal_Int8 > aSeq( nLen );
  89
  90         _xVal->ReadAt( 0, aSeq.getArray(), nLen, &nRead );
  91         rVal <<= aSeq;
  92     }
  93     else
  94     {
  95         css::uno::Sequence< sal_Int8 > aSeq( 0 );
  96         rVal <<= aSeq;
  97     }
  98
  99     return true;
 100 }
 101
 102 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */