| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_sd.hxx" |
| |
| #include "tools/IconCache.hxx" |
| |
| #include "sdresid.hxx" |
| #include <hash_map> |
| #include <osl/doublecheckedlocking.h> |
| #include <osl/getglobalmutex.hxx> |
| |
| namespace sd { |
| |
| //===== IconCache::Implementation ============================================= |
| |
| class IconCache::Implementation |
| { |
| private: |
| friend class IconCache; |
| |
| /** This pointer holds a valid reference from first time that |
| IconCache::Instance() is called to the end of the sd module when the |
| cache is destroyed from SdGlobalResourceContainer. |
| */ |
| static IconCache* mpInstance; |
| |
| typedef ::std::hash_map<sal_uInt16,Image> ImageContainer; |
| ImageContainer maContainer; |
| |
| Image GetIcon (sal_uInt16 nResourceId); |
| }; |
| |
| IconCache* IconCache::Implementation::mpInstance = NULL; |
| |
| |
| |
| Image IconCache::Implementation::GetIcon (sal_uInt16 nResourceId) |
| { |
| Image aResult; |
| ImageContainer::iterator iImage; |
| iImage = maContainer.find (nResourceId); |
| if (iImage == maContainer.end()) |
| { |
| aResult = Image(BitmapEx(SdResId(nResourceId))); |
| maContainer[nResourceId] = aResult; |
| } |
| else |
| aResult = iImage->second; |
| return aResult; |
| } |
| |
| |
| |
| |
| //===== IconCache ============================================================= |
| |
| //static |
| IconCache& IconCache::Instance (void) |
| { |
| if (Implementation::mpInstance == NULL) |
| { |
| ::osl::GetGlobalMutex aMutexFunctor; |
| ::osl::MutexGuard aGuard (aMutexFunctor()); |
| if (Implementation::mpInstance == NULL) |
| { |
| IconCache* pCache = new IconCache (); |
| SdGlobalResourceContainer::Instance().AddResource ( |
| ::std::auto_ptr<SdGlobalResource>(pCache)); |
| OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER(); |
| Implementation::mpInstance = pCache; |
| } |
| } |
| else |
| { |
| OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER(); |
| } |
| |
| DBG_ASSERT(Implementation::mpInstance!=NULL, |
| "IconCache::Instance(): instance is NULL"); |
| return *Implementation::mpInstance; |
| } |
| |
| |
| |
| |
| Image IconCache::GetIcon (sal_uInt16 nResourceId) |
| { |
| return mpImpl->GetIcon (nResourceId); |
| } |
| |
| |
| |
| |
| IconCache::IconCache (void) |
| : mpImpl (new Implementation()) |
| { |
| } |
| |
| |
| |
| |
| IconCache::~IconCache (void) |
| { |
| // empty |
| } |
| |
| } // end of namespace sd |