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_sd.hxx" 26 27 #include "tools/SdGlobalResourceContainer.hxx" 28 29 #include <algorithm> 30 #include <vector> 31 32 using namespace ::com::sun::star; 33 using namespace ::com::sun::star::uno; 34 35 36 namespace sd { 37 38 39 //===== SdGlobalResourceContainer::Implementation ============================= 40 41 class SdGlobalResourceContainer::Implementation 42 { 43 private: 44 friend class SdGlobalResourceContainer; 45 static SdGlobalResourceContainer* mpInstance; 46 47 ::osl::Mutex maMutex; 48 49 /** All instances of SdGlobalResource in this vector are owned by the 50 container and will be destroyed when the container is destroyed. 51 */ 52 typedef ::std::vector<SdGlobalResource*> ResourceList; 53 ResourceList maResources; 54 55 typedef ::std::vector<boost::shared_ptr<SdGlobalResource> > SharedResourceList; 56 SharedResourceList maSharedResources; 57 58 typedef ::std::vector<Reference<XInterface> > XInterfaceResourceList; 59 XInterfaceResourceList maXInterfaceResources; 60 }; 61 62 63 64 65 // static 66 SdGlobalResourceContainer& SdGlobalResourceContainer::Instance (void) 67 { 68 DBG_ASSERT(Implementation::mpInstance!=NULL, 69 "SdGlobalResourceContainer::Instance(): instance has been deleted"); 70 // Maybe we should throw an exception when the instance has been deleted. 71 return *Implementation::mpInstance; 72 } 73 74 SdGlobalResourceContainer* 75 SdGlobalResourceContainer::Implementation::mpInstance = NULL; 76 77 78 79 80 //===== SdGlobalResourceContainer ============================================= 81 82 void SdGlobalResourceContainer::AddResource ( 83 ::std::auto_ptr<SdGlobalResource> pResource) 84 { 85 ::osl::MutexGuard aGuard (mpImpl->maMutex); 86 87 Implementation::ResourceList::iterator iResource; 88 iResource = ::std::find ( 89 mpImpl->maResources.begin(), 90 mpImpl->maResources.end(), 91 pResource.get()); 92 if (iResource == mpImpl->maResources.end()) 93 mpImpl->maResources.push_back(pResource.get()); 94 else 95 { 96 // Because the given resource is an auto_ptr it is highly unlikely 97 // that we come here. But who knows? 98 DBG_ASSERT (false, 99 "SdGlobalResourceContainer:AddResource(): Resource added twice."); 100 } 101 // We can not put the auto_ptr into the vector so we release the 102 // auto_ptr and document that we take ownership explicitly. 103 pResource.release(); 104 } 105 106 107 108 109 void SdGlobalResourceContainer::AddResource ( 110 ::boost::shared_ptr<SdGlobalResource> pResource) 111 { 112 ::osl::MutexGuard aGuard (mpImpl->maMutex); 113 114 Implementation::SharedResourceList::iterator iResource; 115 iResource = ::std::find ( 116 mpImpl->maSharedResources.begin(), 117 mpImpl->maSharedResources.end(), 118 pResource); 119 if (iResource == mpImpl->maSharedResources.end()) 120 mpImpl->maSharedResources.push_back(pResource); 121 else 122 { 123 DBG_ASSERT (false, 124 "SdGlobalResourceContainer:AddResource(): Resource added twice."); 125 } 126 } 127 128 129 130 131 void SdGlobalResourceContainer::AddResource (const Reference<XInterface>& rxResource) 132 { 133 ::osl::MutexGuard aGuard (mpImpl->maMutex); 134 135 Implementation::XInterfaceResourceList::iterator iResource; 136 iResource = ::std::find ( 137 mpImpl->maXInterfaceResources.begin(), 138 mpImpl->maXInterfaceResources.end(), 139 rxResource); 140 if (iResource == mpImpl->maXInterfaceResources.end()) 141 mpImpl->maXInterfaceResources.push_back(rxResource); 142 else 143 { 144 DBG_ASSERT (false, 145 "SdGlobalResourceContainer:AddResource(): Resource added twice."); 146 } 147 } 148 149 150 151 SdGlobalResourceContainer::SdGlobalResourceContainer (void) 152 : mpImpl (new SdGlobalResourceContainer::Implementation()) 153 { 154 Implementation::mpInstance = this; 155 } 156 157 158 159 160 SdGlobalResourceContainer::~SdGlobalResourceContainer (void) 161 { 162 ::osl::MutexGuard aGuard (mpImpl->maMutex); 163 164 // Release the resources in reversed order of their addition to the 165 // container. This is because a resource A added before resource B 166 // may have been created due to a request of B. Thus B depends on A and 167 // should be destroyed first. 168 Implementation::ResourceList::reverse_iterator iResource; 169 for (iResource = mpImpl->maResources.rbegin(); 170 iResource != mpImpl->maResources.rend(); 171 ++iResource) 172 { 173 delete *iResource; 174 } 175 176 // The SharedResourceList has not to be released manually. We just 177 // assert resources that are still held by someone other than us. 178 Implementation::SharedResourceList::reverse_iterator iSharedResource; 179 for (iSharedResource = mpImpl->maSharedResources.rbegin(); 180 iSharedResource != mpImpl->maSharedResources.rend(); 181 ++iSharedResource) 182 { 183 if ( ! iSharedResource->unique()) 184 { 185 SdGlobalResource* pResource = iSharedResource->get(); 186 OSL_TRACE(" %p %d", pResource, iSharedResource->use_count()); 187 DBG_ASSERT(iSharedResource->unique(), 188 "SdGlobalResource still held in ~SdGlobalResourceContainer"); 189 } 190 } 191 192 Implementation::XInterfaceResourceList::reverse_iterator iXInterfaceResource; 193 for (iXInterfaceResource = mpImpl->maXInterfaceResources.rbegin(); 194 iXInterfaceResource != mpImpl->maXInterfaceResources.rend(); 195 ++iXInterfaceResource) 196 { 197 Reference<lang::XComponent> xComponent (*iXInterfaceResource, UNO_QUERY); 198 *iXInterfaceResource = NULL; 199 if (xComponent.is()) 200 xComponent->dispose(); 201 } 202 203 DBG_ASSERT(Implementation::mpInstance == this, 204 "~SdGlobalResourceContainer(): more than one instance of singleton"); 205 Implementation::mpInstance = NULL; 206 } 207 208 209 210 211 } // end of namespace sd 212