1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_svl.hxx" 26 27 #include <tools/debug.hxx> 28 #include <tools/string.hxx> 29 #include <tools/stream.hxx> 30 #include <tools/vcompat.hxx> 31 32 #include <svl/cntwall.hxx> 33 34 #define CNTWALLPAPERITEM_STREAM_MAGIC ( (sal_uInt32)0xfefefefe ) 35 #define CNTWALLPAPERITEM_STREAM_SEEKREL (-( (long)( sizeof( sal_uInt32 ) ) ) ) 36 37 TYPEINIT1( CntWallpaperItem, SfxPoolItem ); 38 39 // ----------------------------------------------------------------------- 40 CntWallpaperItem::CntWallpaperItem( sal_uInt16 which ) 41 : SfxPoolItem( which ), _nColor( COL_TRANSPARENT ), _nStyle( 0 ) 42 { 43 } 44 45 // ----------------------------------------------------------------------- 46 CntWallpaperItem::CntWallpaperItem( sal_uInt16 which, SvStream& rStream, sal_uInt16 nVersion ) 47 : SfxPoolItem( which ), _nColor( COL_TRANSPARENT ), _nStyle( 0 ) 48 { 49 sal_uInt32 nMagic = 0; 50 rStream >> nMagic; 51 if ( nMagic == CNTWALLPAPERITEM_STREAM_MAGIC ) 52 { 53 // Okay, data were stored by CntWallpaperItem. 54 55 readUnicodeString(rStream, _aURL, nVersion >= 1); 56 // !!! Color stream operators do not work - they discard any 57 // transparency info !!! 58 _nColor.Read( rStream, sal_True ); 59 rStream >> _nStyle; 60 } 61 else 62 { 63 rStream.SeekRel( CNTWALLPAPERITEM_STREAM_SEEKREL ); 64 65 // Data were stored by SfxWallpaperItem ( SO < 6.0 ). The only 66 // thing we can do here is to get the URL and to position the stream. 67 68 { 69 // "Read" Wallpaper member - The version compat object positions 70 // the stream after the wallpaper data in its dtor. We must use 71 // this trick here as no VCL must be used here ( No Wallpaper 72 // object allowed ). 73 VersionCompat aCompat( rStream, STREAM_READ ); 74 } 75 76 // Read SfxWallpaperItem's string member _aURL. 77 readUnicodeString(rStream, _aURL, false); 78 79 // "Read" SfxWallpaperItem's string member _aFilter. 80 ByteString aDummy; 81 rStream.ReadByteString(aDummy); 82 } 83 } 84 85 // ----------------------------------------------------------------------- 86 CntWallpaperItem::CntWallpaperItem( const CntWallpaperItem& rItem ) : 87 SfxPoolItem( rItem ), 88 _aURL( rItem._aURL ), 89 _nColor( rItem._nColor ), 90 _nStyle( rItem._nStyle ) 91 { 92 } 93 94 // ----------------------------------------------------------------------- 95 CntWallpaperItem::~CntWallpaperItem() 96 { 97 } 98 99 // ----------------------------------------------------------------------- 100 int CntWallpaperItem::operator==( const SfxPoolItem& rItem ) const 101 { 102 DBG_ASSERT( SfxPoolItem::operator==( rItem ), "unequal type" ); 103 104 const CntWallpaperItem& rWallItem = (const CntWallpaperItem&)rItem; 105 106 if( ( rWallItem._nStyle == _nStyle ) && 107 ( rWallItem._nColor == _nColor ) && 108 ( rWallItem._aURL == _aURL ) ) 109 return sal_True; 110 else 111 return sal_False; 112 } 113 114 //============================================================================ 115 // virtual 116 sal_uInt16 CntWallpaperItem::GetVersion(sal_uInt16) const 117 { 118 return 1; // because it uses SfxPoolItem::read/writeUnicodeString() 119 } 120 121 // ----------------------------------------------------------------------- 122 SfxPoolItem* CntWallpaperItem::Create( SvStream& rStream, sal_uInt16 nVersion) const 123 { 124 return new CntWallpaperItem( Which(), rStream, nVersion ); 125 } 126 127 // ----------------------------------------------------------------------- 128 SvStream& CntWallpaperItem::Store( SvStream& rStream, sal_uInt16 ) const 129 { 130 rStream << CNTWALLPAPERITEM_STREAM_MAGIC; 131 writeUnicodeString(rStream, _aURL); 132 // !!! Color stream operators do not work - they discard any 133 // transparency info !!! 134 // ??? Why the hell Color::Write(...) isn't const ??? 135 SAL_CONST_CAST( CntWallpaperItem*, this )->_nColor.Write( rStream, sal_True ); 136 rStream << _nStyle; 137 138 return rStream; 139 } 140 141 // ----------------------------------------------------------------------- 142 SfxPoolItem* CntWallpaperItem::Clone( SfxItemPool* ) const 143 { 144 return new CntWallpaperItem( *this ); 145 } 146 147 //---------------------------------------------------------------------------- 148 // virtual 149 sal_Bool CntWallpaperItem::QueryValue( com::sun::star::uno::Any&,sal_uInt8 ) const 150 { 151 DBG_ERROR("Not implemented!"); 152 return sal_False; 153 } 154 155 //---------------------------------------------------------------------------- 156 // virtual 157 sal_Bool CntWallpaperItem::PutValue( const com::sun::star::uno::Any&,sal_uInt8 ) 158 { 159 DBG_ERROR("Not implemented!"); 160 return sal_False; 161 } 162 163 164