axmol/cocos2dx/cocoa/CCObject.cpp

/****************************************************************************
Copyright (c) 2010 cocos2d-x.org

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#include "CCObject.h"
#include "CCAutoreleasePool.h"
#include "ccMacros.h"
#include "script_support/CCScriptSupport.h"

NS_CC_BEGIN

Object::Object(void)
: _luaID(0)
, _reference(1) // when the object is created, the reference count of it is 1
, _autoReleaseCount(0)
{
    static unsigned int uObjectCount = 0;

    _ID = ++uObjectCount;
}

Object::~Object(void)
{
    // if the object is managed, we should remove it
    // from pool manager
    if (_autoReleaseCount > 0)
    {
        PoolManager::sharedPoolManager()->removeObject(this);
    }

    // if the object is referenced by Lua engine, remove it
    if (_luaID)
    {
        ScriptEngineManager::sharedManager()->getScriptEngine()->removeScriptObjectByObject(this);
    }
    else
    {
        ScriptEngineProtocol* pEngine = ScriptEngineManager::sharedManager()->getScriptEngine();
        if (pEngine != NULL && pEngine->getScriptType() == kScriptTypeJavascript)
        {
            pEngine->removeScriptObjectByObject(this);
        }
    }
}

void Object::release(void)
{
    CCAssert(_reference > 0, "reference count should greater than 0");
    --_reference;

    if (_reference == 0)
    {
        delete this;
    }
}

void Object::retain(void)
{
    CCAssert(_reference > 0, "reference count should greater than 0");

    ++_reference;
}

Object* Object::autorelease(void)
{
    PoolManager::sharedPoolManager()->addObject(this);
    return this;
}

bool Object::isSingleReference(void) const
{
    return _reference == 1;
}

unsigned int Object::retainCount(void) const
{
    return _reference;
}

bool Object::isEqual(const Object *pObject)
{
    return this == pObject;
}

void Object::acceptVisitor(DataVisitor &visitor)
{
    visitor.visitObject(this);
}

NS_CC_END