axmol/cocos/base/CCEventListenerCustom.h

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/****************************************************************************
Copyright (c) 2013-2014 Chukong Technologies Inc.
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 __cocos2d_libs__CCCustomEventListener__
#define __cocos2d_libs__CCCustomEventListener__
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#include "base/CCEventListener.h"
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/**
* @addtogroup base
* @{
*/
NS_CC_BEGIN
class EventCustom;
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/** @class EventListenerCustom
* @brief Custom event listener.
* @code Usage:
* auto dispatcher = Director::getInstance()->getEventDispatcher();
* Adds a listener:
*
* auto callback = [](EventCustom* event){ do_some_thing(); };
* auto listener = EventListenerCustom::create(callback);
* dispatcher->addEventListenerWithSceneGraphPriority(listener, one_node);
*
* Dispatchs a custom event:
*
* EventCustom event("your_event_type");
* dispatcher->dispatchEvent(&event);
*
* Removes a listener
*
* dispatcher->removeEventListener(listener);
* @js cc._EventListenerCustom
*/
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class CC_DLL EventListenerCustom : public EventListener
{
public:
/** Creates an event listener with type and callback.
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* @param eventType The type of the event.
* @param callback The callback function when the specified event was emitted.
* @return An autoreleased EventListenerCustom object.
*/
static EventListenerCustom* create(const std::string& eventName, const std::function<void(EventCustom*)>& callback);
/// Overrides
virtual bool checkAvailable() override;
virtual EventListenerCustom* clone() override;
CC_CONSTRUCTOR_ACCESS:
/** Constructor */
EventListenerCustom();
/** Initializes event with type and callback function */
bool init(const ListenerID& listenerId, const std::function<void(EventCustom*)>& callback);
protected:
std::function<void(EventCustom*)> _onCustomEvent;
friend class LuaEventListenerCustom;
};
NS_CC_END
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// end of base group
/// @}
#endif /* defined(__cocos2d_libs__CCCustomEventListener__) */