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 #include "precompiled_dbaccess.hxx" 25 26 #include "closeveto.hxx" 27 28 /** === begin UNO includes === **/ 29 #include <com/sun/star/util/XCloseable.hpp> 30 /** === end UNO includes === **/ 31 32 #include <cppuhelper/implbase1.hxx> 33 #include <rtl/ref.hxx> 34 #include <tools/diagnose_ex.h> 35 36 //...................................................................................................................... 37 namespace dbaui 38 { 39 //...................................................................................................................... 40 41 /** === begin UNO using === **/ 42 using ::com::sun::star::uno::Reference; 43 using ::com::sun::star::uno::XInterface; 44 using ::com::sun::star::uno::UNO_QUERY; 45 using ::com::sun::star::uno::UNO_QUERY_THROW; 46 using ::com::sun::star::uno::UNO_SET_THROW; 47 using ::com::sun::star::uno::Exception; 48 using ::com::sun::star::uno::RuntimeException; 49 using ::com::sun::star::uno::Any; 50 using ::com::sun::star::uno::makeAny; 51 using ::com::sun::star::uno::Sequence; 52 using ::com::sun::star::uno::Type; 53 using ::com::sun::star::util::XCloseable; 54 using ::com::sun::star::util::XCloseListener; 55 using ::com::sun::star::util::CloseVetoException; 56 using ::com::sun::star::lang::EventObject; 57 /** === end UNO using === **/ 58 59 //================================================================================================================== 60 //= CloseListener_Impl 61 //================================================================================================================== 62 typedef ::cppu::WeakImplHelper1 < XCloseListener 63 > CloseListener_Base; 64 class DBACCESS_DLLPRIVATE CloseListener_Impl : public CloseListener_Base 65 { 66 public: 67 CloseListener_Impl() 68 :m_bHasOwnership( false ) 69 { 70 } 71 72 // XCloseListener 73 virtual void SAL_CALL queryClosing( const EventObject& Source, ::sal_Bool GetsOwnership ) throw (CloseVetoException, RuntimeException); 74 virtual void SAL_CALL notifyClosing( const EventObject& Source ) throw (RuntimeException); 75 76 // XEventListener 77 virtual void SAL_CALL disposing( const EventObject& Source) throw (RuntimeException); 78 79 bool hasOwnership() const { return m_bHasOwnership; } 80 81 protected: 82 ~CloseListener_Impl() 83 { 84 } 85 86 private: 87 bool m_bHasOwnership; 88 }; 89 90 //------------------------------------------------------------------------------------------------------------------ 91 void SAL_CALL CloseListener_Impl::queryClosing( const EventObject& i_source, ::sal_Bool i_deliverOwnership ) throw (CloseVetoException, RuntimeException) 92 { 93 (void)i_source; 94 95 if ( !m_bHasOwnership ) 96 m_bHasOwnership = i_deliverOwnership; 97 98 throw CloseVetoException(); 99 } 100 101 //------------------------------------------------------------------------------------------------------------------ 102 void SAL_CALL CloseListener_Impl::notifyClosing( const EventObject& i_source ) throw (RuntimeException) 103 { 104 (void)i_source; 105 } 106 107 //------------------------------------------------------------------------------------------------------------------ 108 void SAL_CALL CloseListener_Impl::disposing( const EventObject& i_source ) throw (RuntimeException) 109 { 110 (void)i_source; 111 } 112 113 //================================================================================================================== 114 //= CloseVeto_Data 115 //================================================================================================================== 116 struct DBACCESS_DLLPRIVATE CloseVeto_Data 117 { 118 Reference< XCloseable > xCloseable; 119 ::rtl::Reference< CloseListener_Impl > pListener; 120 }; 121 122 //================================================================================================================== 123 //= operations 124 //================================================================================================================== 125 namespace 126 { 127 //-------------------------------------------------------------------------------------------------------------- 128 void lcl_init( CloseVeto_Data& i_data, const Reference< XInterface >& i_closeable ) 129 { 130 i_data.xCloseable.set( i_closeable, UNO_QUERY ); 131 ENSURE_OR_RETURN_VOID( i_data.xCloseable.is(), "CloseVeto: the component is not closeable!" ); 132 133 i_data.pListener = new CloseListener_Impl; 134 i_data.xCloseable->addCloseListener( i_data.pListener.get() ); 135 } 136 137 //-------------------------------------------------------------------------------------------------------------- 138 void lcl_deinit( CloseVeto_Data& i_data ) 139 { 140 if ( !i_data.xCloseable.is() ) 141 return; 142 143 i_data.xCloseable->removeCloseListener( i_data.pListener.get() ); 144 if ( i_data.pListener->hasOwnership() ) 145 { 146 try 147 { 148 i_data.xCloseable->close( sal_True ); 149 } 150 catch( const CloseVetoException& ) { } 151 catch( const Exception& ) 152 { 153 DBG_UNHANDLED_EXCEPTION(); 154 } 155 } 156 } 157 } 158 159 //================================================================================================================== 160 //= CloseVeto 161 //================================================================================================================== 162 //------------------------------------------------------------------------------------------------------------------ 163 CloseVeto::CloseVeto( const Reference< XInterface >& i_closeable ) 164 :m_pData( new CloseVeto_Data ) 165 { 166 lcl_init( *m_pData, i_closeable ); 167 } 168 169 //------------------------------------------------------------------------------------------------------------------ 170 CloseVeto::~CloseVeto() 171 { 172 lcl_deinit( *m_pData ); 173 } 174 175 //...................................................................................................................... 176 } // namespace dbaui 177 //...................................................................................................................... 178