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 #ifndef __MUTEXHOLDER_HXX_ 25 #define __MUTEXHOLDER_HXX_ 26 27 #include <osl/mutex.hxx> 28 29 class SotMutexHolder 30 { 31 ::osl::Mutex m_aMutex; 32 sal_Int32 m_nRefCount; 33 34 public: SotMutexHolder()35 SotMutexHolder() : m_nRefCount( 0 ) {} 36 AddRef()37 void AddRef() 38 { 39 m_nRefCount++; 40 } 41 ReleaseRef()42 void ReleaseRef() 43 { 44 if ( !--m_nRefCount ) 45 delete this; 46 } 47 GetMutex()48 ::osl::Mutex& GetMutex() { return m_aMutex; } 49 }; 50 51 class SotMutexHolderRef 52 { 53 SotMutexHolder* m_pHolder; 54 55 public: SotMutexHolderRef()56 SotMutexHolderRef() 57 : m_pHolder( NULL ) 58 {} 59 SotMutexHolderRef(SotMutexHolder * pHolder)60 SotMutexHolderRef( SotMutexHolder* pHolder ) 61 : m_pHolder( pHolder ) 62 { 63 if ( m_pHolder ) 64 m_pHolder->AddRef(); 65 } 66 SotMutexHolderRef(const SotMutexHolderRef & rRef)67 SotMutexHolderRef( const SotMutexHolderRef& rRef ) 68 : m_pHolder( rRef.m_pHolder ) 69 { 70 if ( m_pHolder ) 71 m_pHolder->AddRef(); 72 } 73 ~SotMutexHolderRef()74 ~SotMutexHolderRef() 75 { 76 if ( m_pHolder ) 77 m_pHolder->ReleaseRef(); 78 } 79 operator =(const SotMutexHolderRef & rRef)80 SotMutexHolderRef& operator =( const SotMutexHolderRef& rRef ) 81 { 82 if ( m_pHolder ) 83 m_pHolder->ReleaseRef(); 84 85 m_pHolder = rRef.m_pHolder; 86 87 if ( m_pHolder ) 88 m_pHolder->AddRef(); 89 90 return *this; 91 } 92 operator =(SotMutexHolder * pHolder)93 SotMutexHolderRef& operator =( SotMutexHolder* pHolder ) 94 { 95 if ( m_pHolder ) 96 m_pHolder->ReleaseRef(); 97 98 m_pHolder = pHolder; 99 100 if ( m_pHolder ) 101 m_pHolder->AddRef(); 102 return *this; 103 } 104 operator ->() const105 SotMutexHolder* operator ->() const 106 { 107 return m_pHolder; 108 } 109 operator *() const110 SotMutexHolder& operator *() const 111 { 112 return *m_pHolder; 113 } 114 operator SotMutexHolder*() const115 operator SotMutexHolder*() const 116 { 117 return m_pHolder; 118 } 119 Is() const120 sal_Bool Is() const 121 { 122 return m_pHolder != NULL; 123 } 124 }; 125 126 #endif 127 128