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 _CONNECTIVITY_OSUBCOMPONENT_HXX_ 25 #define _CONNECTIVITY_OSUBCOMPONENT_HXX_ 26 27 #include <cppuhelper/weak.hxx> 28 #include <cppuhelper/interfacecontainer.h> 29 #include <com/sun/star/lang/DisposedException.hpp> 30 #include <cppuhelper/propshlp.hxx> 31 #include <osl/mutex.hxx> 32 #include <osl/diagnose.h> 33 34 namespace cppu { 35 class IPropertyArrayHelper; 36 } 37 38 namespace com 39 { 40 namespace sun 41 { 42 namespace star 43 { 44 namespace lang 45 { 46 class XComponent; 47 } 48 } 49 } 50 } 51 namespace connectivity 52 { 53 54 namespace skeleton 55 { 56 void release(oslInterlockedCount& _refCount, 57 ::cppu::OBroadcastHelper& rBHelper, 58 ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xInterface, 59 ::com::sun::star::lang::XComponent* _pObject); 60 61 void checkDisposed(sal_Bool _bThrow) throw ( ::com::sun::star::lang::DisposedException ); 62 //************************************************************ 63 // OSubComponent 64 //************************************************************ 65 template <class SELF, class WEAK> class OSubComponent 66 { 67 protected: 68 // the parent must support the tunnel implementation 69 ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > m_xParent; 70 SELF* m_pDerivedImplementation; 71 72 public: OSubComponent(const::com::sun::star::uno::Reference<::com::sun::star::uno::XInterface> & _xParent,SELF * _pDerivedImplementation)73 OSubComponent( 74 const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xParent, 75 SELF* _pDerivedImplementation) 76 :m_xParent(_xParent) 77 ,m_pDerivedImplementation(_pDerivedImplementation) 78 { 79 } 80 81 protected: dispose_ChildImpl()82 void dispose_ChildImpl() 83 { 84 ::osl::MutexGuard aGuard( m_pDerivedImplementation->rBHelper.rMutex ); 85 m_xParent = NULL; 86 } relase_ChildImpl()87 void relase_ChildImpl() 88 { 89 release(m_pDerivedImplementation->m_refCount, 90 m_pDerivedImplementation->rBHelper, 91 m_xParent, 92 m_pDerivedImplementation); 93 94 m_pDerivedImplementation->WEAK::release(); 95 } 96 }; 97 98 99 template <class TYPE> 100 class OPropertyArrayUsageHelper 101 { 102 protected: 103 static sal_Int32 s_nRefCount; 104 static ::cppu::IPropertyArrayHelper* s_pProps; 105 static ::osl::Mutex s_aMutex; 106 107 public: 108 OPropertyArrayUsageHelper(); ~OPropertyArrayUsageHelper()109 virtual ~OPropertyArrayUsageHelper() 110 { // ARGHHHHHHH ..... would like to implement this in proparrhlp_impl.hxx (as we do with all other methods) 111 // but SUNPRO 5 compiler (linker) doesn't like this 112 ::osl::MutexGuard aGuard(s_aMutex); 113 OSL_ENSURE(s_nRefCount > 0, "OPropertyArrayUsageHelper::~OPropertyArrayUsageHelper : suspicious call : have a refcount of 0 !"); 114 if (!--s_nRefCount) 115 { 116 delete s_pProps; 117 s_pProps = NULL; 118 } 119 } 120 121 /** call this in the getInfoHelper method of your derived class. The method returns the array helper of the 122 class, which is created if necessary. 123 */ 124 ::cppu::IPropertyArrayHelper* getArrayHelper(); 125 126 protected: 127 /** used to implement the creation of the array helper which is shared amongst all instances of the class. 128 This method needs to be implemented in derived classes. 129 <BR> 130 The method gets called with s_aMutex acquired. 131 <BR> 132 as long as IPropertyArrayHelper has no virtual destructor, the implementation of ~OPropertyArrayUsageHelper 133 assumes that you created an ::cppu::OPropertyArrayHelper when deleting s_pProps. 134 @return an pointer to the newly created array helper. Must not be NULL. 135 */ 136 virtual ::cppu::IPropertyArrayHelper* createArrayHelper( ) const = 0; 137 }; 138 139 template<class TYPE> 140 sal_Int32 OPropertyArrayUsageHelper< TYPE >::s_nRefCount = 0; 141 142 template<class TYPE> 143 ::cppu::IPropertyArrayHelper* OPropertyArrayUsageHelper< TYPE >::s_pProps = NULL; 144 145 template<class TYPE> 146 ::osl::Mutex OPropertyArrayUsageHelper< TYPE >::s_aMutex; 147 148 //------------------------------------------------------------------ 149 template <class TYPE> OPropertyArrayUsageHelper()150 OPropertyArrayUsageHelper<TYPE>::OPropertyArrayUsageHelper() 151 { 152 ::osl::MutexGuard aGuard(s_aMutex); 153 ++s_nRefCount; 154 } 155 156 //------------------------------------------------------------------ 157 template <class TYPE> getArrayHelper()158 ::cppu::IPropertyArrayHelper* OPropertyArrayUsageHelper<TYPE>::getArrayHelper() 159 { 160 OSL_ENSURE(s_nRefCount, "OPropertyArrayUsageHelper::getArrayHelper : suspicious call : have a refcount of 0 !"); 161 if (!s_pProps) 162 { 163 ::osl::MutexGuard aGuard(s_aMutex); 164 if (!s_pProps) 165 { 166 s_pProps = createArrayHelper(); 167 OSL_ENSURE(s_pProps, "OPropertyArrayUsageHelper::getArrayHelper : createArrayHelper returned nonsense !"); 168 } 169 } 170 return s_pProps; 171 } 172 173 174 175 class OBase_Mutex 176 { 177 public: 178 ::osl::Mutex m_aMutex; 179 }; 180 181 namespace internal 182 { 183 template <class T> implCopySequence(const T * _pSource,T * & _pDest,sal_Int32 _nSourceLen)184 void implCopySequence(const T* _pSource, T*& _pDest, sal_Int32 _nSourceLen) 185 { 186 for (sal_Int32 i=0; i<_nSourceLen; ++i, ++_pSource, ++_pDest) 187 *_pDest = *_pSource; 188 } 189 } 190 //------------------------------------------------------------------------- 191 /// concat two sequences 192 template <class T> concatSequences(const::com::sun::star::uno::Sequence<T> & _rLeft,const::com::sun::star::uno::Sequence<T> & _rRight)193 ::com::sun::star::uno::Sequence<T> concatSequences(const ::com::sun::star::uno::Sequence<T>& _rLeft, const ::com::sun::star::uno::Sequence<T>& _rRight) 194 { 195 sal_Int32 nLeft(_rLeft.getLength()), nRight(_rRight.getLength()); 196 const T* pLeft = _rLeft.getConstArray(); 197 const T* pRight = _rRight.getConstArray(); 198 199 sal_Int32 nReturnLen(nLeft + nRight); 200 ::com::sun::star::uno::Sequence<T> aReturn(nReturnLen); 201 T* pReturn = aReturn.getArray(); 202 203 internal::implCopySequence(pLeft, pReturn, nLeft); 204 internal::implCopySequence(pRight, pReturn, nRight); 205 206 return aReturn; 207 } 208 209 210 #define DECLARE_SERVICE_INFO() \ 211 virtual ::rtl::OUString SAL_CALL getImplementationName( ) throw (::com::sun::star::uno::RuntimeException); \ 212 virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw(::com::sun::star::uno::RuntimeException); \ 213 virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames( ) throw(::com::sun::star::uno::RuntimeException) \ 214 215 #define IMPLEMENT_SERVICE_INFO(classname, implasciiname, serviceasciiname) \ 216 ::rtl::OUString SAL_CALL classname::getImplementationName( ) throw (::com::sun::star::uno::RuntimeException) \ 217 { \ 218 return ::rtl::OUString::createFromAscii(implasciiname); \ 219 } \ 220 ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL classname::getSupportedServiceNames( ) throw(::com::sun::star::uno::RuntimeException) \ 221 { \ 222 ::com::sun::star::uno::Sequence< ::rtl::OUString > aSupported(1); \ 223 aSupported[0] = ::rtl::OUString::createFromAscii(serviceasciiname); \ 224 return aSupported; \ 225 } \ 226 sal_Bool SAL_CALL classname::supportsService( const ::rtl::OUString& _rServiceName ) throw(::com::sun::star::uno::RuntimeException) \ 227 { \ 228 Sequence< ::rtl::OUString > aSupported(getSupportedServiceNames()); \ 229 const ::rtl::OUString* pSupported = aSupported.getConstArray(); \ 230 const ::rtl::OUString* pEnd = pSupported + aSupported.getLength(); \ 231 for (;pSupported != pEnd && !pSupported->equals(_rServiceName); ++pSupported) \ 232 ; \ 233 \ 234 return pSupported != pEnd; \ 235 } \ 236 237 238 } 239 } 240 #endif // _CONNECTIVITY_OSUBCOMPONENT_HXX_ 241 242