text: /****************************************************************************
  Copyright (c) 2010 cocos2d-x.org
  
  http://www.cocos2d-x.org
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in
  all copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  THE SOFTWARE.
  ****************************************************************************/
  #include "CCAutoreleasePool.h"
  #include "ccMacros.h"
  
  NS_CC_BEGIN
  
  static CCPoolManager* s_pPoolManager = NULL;
  
  CCAutoreleasePool::CCAutoreleasePool(void)
  {
      m_pManagedObjectArray = new CCArray();
      m_pManagedObjectArray->init();
  }
  
  CCAutoreleasePool::~CCAutoreleasePool(void)
  {
      CC_SAFE_DELETE(m_pManagedObjectArray);
  }
  
  void CCAutoreleasePool::addObject(CCObject* pObject)
  {
      m_pManagedObjectArray->addObject(pObject);
  
      CCAssert(pObject->m_uReference > 1, "reference count should greager than 1");
  
      pObject->release(); // no ref count, in this case autorelease pool added.
  }
  
  void CCAutoreleasePool::removeObject(CCObject* pObject)
  {
      m_pManagedObjectArray->removeObject(pObject, false);
  }
  
  void CCAutoreleasePool::clear()
  {
      if(m_pManagedObjectArray->count() > 0)
      {
          //CCAutoreleasePool* pReleasePool;
  #ifdef _DEBUG
          int nIndex = m_pManagedObjectArray->count() - 1;
  #endif
  
          CCObject* pObj = NULL;
          CCARRAY_FOREACH_REVERSE(m_pManagedObjectArray, pObj)
          {
              if(!pObj)
                  break;
  
              pObj->m_bManaged = false;
              //(*it)->release();
              //delete (*it);
  #ifdef _DEBUG
              nIndex--;
  #endif
          }
  
          m_pManagedObjectArray->removeAllObjects();
      }
  }
  
  
  //--------------------------------------------------------------------
  //
  // CCPoolManager
  //
  //--------------------------------------------------------------------
  
  CCPoolManager* CCPoolManager::sharedPoolManager()
  {
      if (s_pPoolManager == NULL)
      {
          s_pPoolManager = new CCPoolManager();
      }
      return s_pPoolManager;
  }
  
  void CCPoolManager::purgePoolManager()
  {
      CC_SAFE_DELETE(s_pPoolManager);
  }
  
  CCPoolManager::CCPoolManager()
  {
      m_pReleasePoolStack = new CCArray();    
      m_pReleasePoolStack->init();
      m_pCurReleasePool = 0;
  }
  
  CCPoolManager::~CCPoolManager()
  {
      
       finalize();
   
       // we only release the last autorelease pool here 
      m_pCurReleasePool = 0;
       m_pReleasePoolStack->removeObjectAtIndex(0);
   
       CC_SAFE_DELETE(m_pReleasePoolStack);
  }
  
  void CCPoolManager::finalize()
  {
      if(m_pReleasePoolStack->count() > 0)
      {
          //CCAutoreleasePool* pReleasePool;
          CCObject* pObj = NULL;
          CCARRAY_FOREACH(m_pReleasePoolStack, pObj)
          {
              if(!pObj)
                  break;
              CCAutoreleasePool* pPool = (CCAutoreleasePool*)pObj;
              pPool->clear();
          }
      }
  }
  
  void CCPoolManager::push()
  {
      CCAutoreleasePool* pPool = new CCAutoreleasePool();       //ref = 1
      m_pCurReleasePool = pPool;
  
      m_pReleasePoolStack->addObject(pPool);                   //ref = 2
  
      pPool->release();                                       //ref = 1
  }
  
  void CCPoolManager::pop()
  {
      if (! m_pCurReleasePool)
      {
          return;
      }
  
       int nCount = m_pReleasePoolStack->count();
  
      m_pCurReleasePool->clear();
   
        if(nCount > 1)
        {
          m_pReleasePoolStack->removeObjectAtIndex(nCount-1);
  
  //         if(nCount > 1)
  //         {
  //             m_pCurReleasePool = m_pReleasePoolStack->objectAtIndex(nCount - 2);
  //             return;
  //         }
          m_pCurReleasePool = (CCAutoreleasePool*)m_pReleasePoolStack->objectAtIndex(nCount - 2);
      }
  
      /*m_pCurReleasePool = NULL;*/
  }
  
  void CCPoolManager::removeObject(CCObject* pObject)
  {
      CCAssert(m_pCurReleasePool, "current auto release pool should not be null");
  
      m_pCurReleasePool->removeObject(pObject);
  }
  
  void CCPoolManager::addObject(CCObject* pObject)
  {
      getCurReleasePool()->addObject(pObject);
  }
  
  
  CCAutoreleasePool* CCPoolManager::getCurReleasePool()
  {
      if(!m_pCurReleasePool)
      {
          push();
      }
  
      CCAssert(m_pCurReleasePool, "current auto release pool should not be null");
  
      return m_pCurReleasePool;
  }
  
  NS_CC_END
  