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 <svl/poolitem.hxx>
  22 #include <tools/stream.hxx>
  23 #include <tools/solar.h>
  24 #include <osl/diagnose.h>
  25 #include <com/sun/star/uno/Any.hxx>
  26 #include <com/sun/star/uno/Sequence.hxx>
  27
  28
  29 SfxPoolItem* SfxLockBytesItem::CreateDefault() { return new SfxLockBytesItem; }
  30
  31
  32 SfxLockBytesItem::SfxLockBytesItem()
  33 {
  34 }
  35
  36
  37 SfxLockBytesItem::~SfxLockBytesItem()
  38 {
  39 }
  40
  41
  42 bool SfxLockBytesItem::operator==( const SfxPoolItem& rItem ) const
  43 {
  44     return static_cast<const SfxLockBytesItem&>(rItem)._xVal == _xVal;
  45 }
  46
  47
  48 SfxPoolItem* SfxLockBytesItem::Clone(SfxItemPool *) const
  49 {
  50     return new SfxLockBytesItem( *this );
  51 }
  52
  53
  54 // virtual
  55 bool SfxLockBytesItem::PutValue( const css::uno::Any& rVal, sal_uInt8 )
  56 {
  57     css::uno::Sequence< sal_Int8 > aSeq;
  58     if ( rVal >>= aSeq )
  59     {
  60         if ( aSeq.hasElements() )
  61         {
  62             SvMemoryStream* pStream = new SvMemoryStream();
  63             pStream->WriteBytes( aSeq.getConstArray(), aSeq.getLength() );
  64             pStream->Seek(0);
  65
  66             _xVal = new SvLockBytes( pStream, true );
  67         }
  68         else
  69             _xVal = nullptr;
  70
  71         return true;
  72     }
  73
  74     OSL_FAIL( "SfxLockBytesItem::PutValue - Wrong type!" );
  75     return true;
  76 }
  77
  78 // virtual
  79 bool SfxLockBytesItem::QueryValue( css::uno::Any& rVal, sal_uInt8 ) const
  80 {
  81     if ( _xVal.is() )
  82     {
  83         sal_uInt32 nLen;
  84         SvLockBytesStat aStat;
  85
  86         if ( _xVal->Stat( &aStat ) == ERRCODE_NONE )
  87             nLen = aStat.nSize;
  88         else
  89             return false;
  90
  91         std::size_t nRead = 0;
  92         css::uno::Sequence< sal_Int8 > aSeq( nLen );
  93
  94         _xVal->ReadAt( 0, aSeq.getArray(), nLen, &nRead );
  95         rVal <<= aSeq;
  96     }
  97     else
  98     {
  99         css::uno::Sequence< sal_Int8 > aSeq( 0 );
 100         rVal <<= aSeq;
 101     }
 102
 103     return true;
 104 }
 105
 106 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */