svtools/source/items1/cntwall.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_svtools.hxx"
  33
  34 #include <tools/debug.hxx>
  35 #include <tools/string.hxx>
  36 #include <tools/stream.hxx>
  37 #include <tools/vcompat.hxx>
  38
  39 #include <svtools/cntwall.hxx>
  40
  41 #define CNTWALLPAPERITEM_STREAM_MAGIC   ( (UINT32)0xfefefefe )
  42 #define CNTWALLPAPERITEM_STREAM_SEEKREL (-( (long)( sizeof( UINT32 ) ) ) )
  43
  44 TYPEINIT1( CntWallpaperItem, SfxPoolItem );
  45
  46 // -----------------------------------------------------------------------
  47 CntWallpaperItem::CntWallpaperItem( USHORT which )
  48     : SfxPoolItem( which ), _nColor( COL_TRANSPARENT ), _nStyle( 0 )
  49 {
  50 }
  51
  52 // -----------------------------------------------------------------------
  53 CntWallpaperItem::CntWallpaperItem( USHORT which, SvStream& rStream, USHORT nVersion )
  54     : SfxPoolItem( which ), _nColor( COL_TRANSPARENT ), _nStyle( 0 )
  55 {
  56     UINT32 nMagic = 0;
  57     rStream >> nMagic;
  58     if ( nMagic == CNTWALLPAPERITEM_STREAM_MAGIC )
  59     {
  60         // Okay, data were stored by CntWallpaperItem.
  61
  62         readUnicodeString(rStream, _aURL, nVersion >= 1);
  63         // !!! Color stream operators do not work - they discard any
  64         // transparency info !!!
  65         _nColor.Read( rStream, TRUE );
  66         rStream >> _nStyle;
  67     }
  68     else
  69     {
  70         rStream.SeekRel( CNTWALLPAPERITEM_STREAM_SEEKREL );
  71
  72         // Data were stored by SfxWallpaperItem ( SO < 6.0 ). The only
  73         // thing we can do here is to get the URL and to position the stream.
  74
  75         {
  76             // "Read" Wallpaper member - The version compat object positions
  77             // the stream after the wallpaper data in its dtor. We must use
  78             // this trick here as no VCL must be used here ( No Wallpaper
  79             // object allowed ).
  80             VersionCompat aCompat( rStream, STREAM_READ );
  81         }
  82
  83         // Read SfxWallpaperItem's string member _aURL.
  84         readUnicodeString(rStream, _aURL, false);
  85
  86         // "Read" SfxWallpaperItem's string member _aFilter.
  87         ByteString aDummy;
  88         rStream.ReadByteString(aDummy);
  89     }
  90 }
  91
  92 // -----------------------------------------------------------------------
  93 CntWallpaperItem::CntWallpaperItem( const CntWallpaperItem& rItem ) :
  94     SfxPoolItem( rItem ),
  95     _aURL( rItem._aURL ),
  96     _nColor( rItem._nColor ),
  97     _nStyle( rItem._nStyle )
  98 {
  99 }
 100
 101 // -----------------------------------------------------------------------
 102 CntWallpaperItem::~CntWallpaperItem()
 103 {
 104 }
 105
 106 // -----------------------------------------------------------------------
 107 int CntWallpaperItem::operator==( const SfxPoolItem& rItem ) const
 108 {
 109     DBG_ASSERT( SfxPoolItem::operator==( rItem ), "unequal type" );
 110
 111     const CntWallpaperItem& rWallItem = (const CntWallpaperItem&)rItem;
 112
 113     if( ( rWallItem._nStyle == _nStyle ) &&
 114         ( rWallItem._nColor == _nColor ) &&
 115         ( rWallItem._aURL == _aURL ) )
 116         return TRUE;
 117     else
 118         return FALSE;
 119 }
 120
 121 //============================================================================
 122 // virtual
 123 USHORT CntWallpaperItem::GetVersion(USHORT) const
 124 {
 125     return 1; // because it uses SfxPoolItem::read/writeUnicodeString()
 126 }
 127
 128 // -----------------------------------------------------------------------
 129 SfxPoolItem* CntWallpaperItem::Create( SvStream& rStream, USHORT nVersion) const
 130 {
 131     return new CntWallpaperItem( Which(), rStream, nVersion );
 132 }
 133
 134 // -----------------------------------------------------------------------
 135 SvStream& CntWallpaperItem::Store( SvStream& rStream, USHORT ) const
 136 {
 137     rStream << CNTWALLPAPERITEM_STREAM_MAGIC;
 138     writeUnicodeString(rStream, _aURL);
 139     // !!! Color stream operators do not work - they discard any
 140     // transparency info !!!
 141     // ??? Why the hell Color::Write(...) isn't const ???
 142     SAL_CONST_CAST( CntWallpaperItem*, this )->_nColor.Write( rStream, TRUE );
 143     rStream << _nStyle;
 144
 145     return rStream;
 146 }
 147
 148 // -----------------------------------------------------------------------
 149 SfxPoolItem* CntWallpaperItem::Clone( SfxItemPool* ) const
 150 {
 151     return new CntWallpaperItem( *this );
 152 }
 153
 154 //----------------------------------------------------------------------------
 155 // virtual
 156 BOOL CntWallpaperItem::QueryValue( com::sun::star::uno::Any&,BYTE ) const
 157 {
 158     DBG_ERROR("Not implemented!");
 159     return FALSE;
 160 }
 161
 162 //----------------------------------------------------------------------------
 163 // virtual
 164 BOOL CntWallpaperItem::PutValue( const com::sun::star::uno::Any&,BYTE )
 165 {
 166     DBG_ERROR("Not implemented!");
 167     return FALSE;
 168 }
 169
 170