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_unotools.hxx" 26 27 #include <unotools/undoopt.hxx> 28 #include "rtl/instance.hxx" 29 #include <unotools/configmgr.hxx> 30 #include <unotools/configitem.hxx> 31 #include <tools/debug.hxx> 32 #include <com/sun/star/uno/Any.hxx> 33 #include <com/sun/star/uno/Sequence.hxx> 34 #include <vos/mutex.hxx> 35 #include <osl/mutex.hxx> 36 #include <rtl/logfile.hxx> 37 #include "itemholder1.hxx" 38 39 using namespace utl; 40 using namespace rtl; 41 using namespace com::sun::star::uno; 42 43 static SvtUndoOptions_Impl* pOptions = NULL; 44 static sal_Int32 nRefCount = 0; 45 46 #define STEPS 0 47 48 class SvtUndoOptions_Impl : public utl::ConfigItem 49 { 50 sal_Int32 nUndoCount; 51 Sequence< rtl::OUString > m_aPropertyNames; 52 53 public: 54 SvtUndoOptions_Impl(); 55 56 virtual void Notify( const com::sun::star::uno::Sequence< rtl::OUString >& aPropertyNames ); 57 virtual void Commit(); 58 void Load(); 59 60 void SetUndoCount( sal_Int32 n ) { nUndoCount = n; SetModified(); } 61 sal_Int32 GetUndoCount() const { return nUndoCount; } 62 }; 63 64 // ----------------------------------------------------------------------- 65 66 SvtUndoOptions_Impl::SvtUndoOptions_Impl() 67 : ConfigItem( OUString::createFromAscii("Office.Common/Undo") ) 68 , nUndoCount( 20 ) 69 { 70 Load(); 71 } 72 73 void SvtUndoOptions_Impl::Commit() 74 { 75 Sequence< Any > aValues( m_aPropertyNames.getLength() ); 76 Any* pValues = aValues.getArray(); 77 for ( int nProp = 0; nProp < m_aPropertyNames.getLength(); nProp++ ) 78 { 79 switch ( nProp ) 80 { 81 case STEPS : 82 pValues[nProp] <<= nUndoCount; 83 break; 84 default: 85 DBG_ERRORFILE( "invalid index to save a path" ); 86 } 87 } 88 89 PutProperties( m_aPropertyNames, aValues ); 90 NotifyListeners(0); 91 } 92 93 // ----------------------------------------------------------------------- 94 void SvtUndoOptions_Impl::Load() 95 { 96 if(!m_aPropertyNames.getLength()) 97 { 98 static const char* aPropNames[] = 99 { 100 "Steps", 101 }; 102 103 const int nCount = sizeof( aPropNames ) / sizeof( const char* ); 104 m_aPropertyNames.realloc(nCount); 105 OUString* pNames = m_aPropertyNames.getArray(); 106 for ( int i = 0; i < nCount; i++ ) 107 pNames[i] = OUString::createFromAscii( aPropNames[i] ); 108 EnableNotification( m_aPropertyNames ); 109 } 110 111 Sequence< Any > aValues = GetProperties( m_aPropertyNames ); 112 const Any* pValues = aValues.getConstArray(); 113 DBG_ASSERT( aValues.getLength() == m_aPropertyNames.getLength(), "GetProperties failed" ); 114 if ( aValues.getLength() == m_aPropertyNames.getLength() ) 115 { 116 for ( int nProp = 0; nProp < m_aPropertyNames.getLength(); nProp++ ) 117 { 118 DBG_ASSERT( pValues[nProp].hasValue(), "property value missing" ); 119 if ( pValues[nProp].hasValue() ) 120 { 121 switch ( nProp ) 122 { 123 case STEPS : 124 { 125 sal_Int32 nTemp = 0; 126 if ( pValues[nProp] >>= nTemp ) 127 nUndoCount = nTemp; 128 else 129 { 130 DBG_ERROR( "Wrong Type!" ); 131 } 132 break; 133 } 134 135 default: 136 DBG_ERROR( "Wrong Type!" ); 137 break; 138 } 139 } 140 } 141 } 142 } 143 // ----------------------------------------------------------------------- 144 void SvtUndoOptions_Impl::Notify( const Sequence<rtl::OUString>& ) 145 { 146 Load(); 147 } 148 149 // ----------------------------------------------------------------------- 150 namespace 151 { 152 class LocalSingleton : public rtl::Static< osl::Mutex, LocalSingleton > 153 { 154 }; 155 } 156 157 // ----------------------------------------------------------------------- 158 SvtUndoOptions::SvtUndoOptions() 159 { 160 // Global access, must be guarded (multithreading) 161 ::osl::MutexGuard aGuard( LocalSingleton::get() ); 162 if ( !pOptions ) 163 { 164 RTL_LOGFILE_CONTEXT(aLog, "unotools ( ??? ) ::SvtUndoOptions_Impl::ctor()"); 165 pOptions = new SvtUndoOptions_Impl; 166 167 ItemHolder1::holdConfigItem(E_UNDOOPTIONS); 168 } 169 ++nRefCount; 170 pImp = pOptions; 171 pImp->AddListener(this); 172 } 173 174 // ----------------------------------------------------------------------- 175 176 SvtUndoOptions::~SvtUndoOptions() 177 { 178 // Global access, must be guarded (multithreading) 179 ::osl::MutexGuard aGuard( LocalSingleton::get() ); 180 pImp->RemoveListener(this); 181 if ( !--nRefCount ) 182 { 183 if ( pOptions->IsModified() ) 184 pOptions->Commit(); 185 DELETEZ( pOptions ); 186 } 187 } 188 189 void SvtUndoOptions::SetUndoCount( sal_Int32 n ) 190 { 191 pImp->SetUndoCount( n ); 192 } 193 194 sal_Int32 SvtUndoOptions::GetUndoCount() const 195 { 196 return pImp->GetUndoCount(); 197 } 198