/**************************************************************************** Copyright (c) 2010-2012 cocos2d-x.org Copyright (c) 2013-2014 Chukong Technologies 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. ****************************************************************************/ #ifndef __BASE_CCREF_H__ #define __BASE_CCREF_H__ #include "platform/CCPlatformMacros.h" #include "base/ccConfig.h" #define CC_REF_LEAK_DETECTION 0 /** * @addtogroup base * @{ */ NS_CC_BEGIN class Ref; /** * Interface that defines how to clone an Ref. * @lua NA * @js NA */ class CC_DLL Clonable { public: /** Returns a copy of the Ref. */ virtual Clonable* clone() const = 0; /** * @js NA * @lua NA */ virtual ~Clonable() {}; /** Returns a copy of the Ref. * @deprecated Use clone() instead. */ CC_DEPRECATED_ATTRIBUTE Ref* copy() const { // use "clone" instead CC_ASSERT(false); return nullptr; } }; /** * Ref is used for reference count management. If a class inherits from Ref, * then it is easy to be shared in different places. * @js NA */ class CC_DLL Ref { public: /** * Retains the ownership. * * This increases the Ref's reference count. * * @see release, autorelease * @js NA */ void retain(); /** * Releases the ownership immediately. * * This decrements the Ref's reference count. * * If the reference count reaches 0 after the decrement, this Ref is * destructed. * * @see retain, autorelease * @js NA */ void release(); /** * Releases the ownership sometime soon automatically. * * This decrements the Ref's reference count at the end of current * autorelease pool block. * * If the reference count reaches 0 after the decrement, this Ref is * destructed. * * @returns The Ref itself. * * @see AutoreleasePool, retain, release * @js NA * @lua NA */ Ref* autorelease(); /** * Returns the Ref's current reference count. * * @returns The Ref's reference count. * @js NA */ unsigned int getReferenceCount() const; protected: /** * Constructor * * The Ref's reference count is 1 after construction. * @js NA */ Ref(); public: /** * Destructor * * @js NA * @lua NA */ virtual ~Ref(); protected: /// count of references unsigned int _referenceCount; friend class AutoreleasePool; #if CC_ENABLE_SCRIPT_BINDING public: /// object id, ScriptSupport need public _ID unsigned int _ID; /// Lua reference id int _luaID; /// scriptObject, support for swift void* _scriptObject; /** When true, it means that the object was already rooted. */ bool _rooted; /** * The life of the object is scrolled by the scripting engine. * * When the object is controlled by the scripting engine * some additional logic is performed, like Rooting/Unrooting * the object when retain/release is called. */ bool _scriptOwned; #endif // Memory leak diagnostic data (only included when CC_REF_LEAK_DETECTION is defined and its value isn't zero) #if CC_REF_LEAK_DETECTION public: static void printLeaks(); #endif }; class Node; typedef void (Ref::*SEL_CallFunc)(); typedef void (Ref::*SEL_CallFuncN)(Node*); typedef void (Ref::*SEL_CallFuncND)(Node*, void*); typedef void (Ref::*SEL_CallFuncO)(Ref*); typedef void (Ref::*SEL_MenuHandler)(Ref*); typedef void (Ref::*SEL_SCHEDULE)(float); #define CC_CALLFUNC_SELECTOR(_SELECTOR) static_cast(&_SELECTOR) #define CC_CALLFUNCN_SELECTOR(_SELECTOR) static_cast(&_SELECTOR) #define CC_CALLFUNCND_SELECTOR(_SELECTOR) static_cast(&_SELECTOR) #define CC_CALLFUNCO_SELECTOR(_SELECTOR) static_cast(&_SELECTOR) #define CC_MENU_SELECTOR(_SELECTOR) static_cast(&_SELECTOR) #define CC_SCHEDULE_SELECTOR(_SELECTOR) static_cast(&_SELECTOR) // Deprecated #define callfunc_selector(_SELECTOR) CC_CALLFUNC_SELECTOR(_SELECTOR) #define callfuncN_selector(_SELECTOR) CC_CALLFUNCN_SELECTOR(_SELECTOR) #define callfuncND_selector(_SELECTOR) CC_CALLFUNCND_SELECTOR(_SELECTOR) #define callfuncO_selector(_SELECTOR) CC_CALLFUNCO_SELECTOR(_SELECTOR) #define menu_selector(_SELECTOR) CC_MENU_SELECTOR(_SELECTOR) #define schedule_selector(_SELECTOR) CC_SCHEDULE_SELECTOR(_SELECTOR) NS_CC_END // end of base group /** @} */ #endif // __BASE_CCREF_H__