India/cocos2d-x/extensions/assets-manager/CCEventListenerAssetsManagerEx.h

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 Copyright (c) 2014-2016 Chukong Technologies Inc.
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
 
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#ifndef __cocos2d_libs__CCEventListenerAssetsManagerEx__
#define __cocos2d_libs__CCEventListenerAssetsManagerEx__

#include "base/CCEventListener.h"
#include "base/CCEventListenerCustom.h"
#include "extensions/ExtensionMacros.h"
#include "extensions/ExtensionExport.h"

NS_CC_EXT_BEGIN

class EventAssetsManagerEx;
class AssetsManagerEx;

/**
 *  Usage:
 *        auto dispatcher = Director::getInstance()->getEventDispatcher();
 *        auto manager = AssetsManagerEx::create(manifestUrl, storagePath);
 *     Adds a listener:
 *
 *        auto callback = [](EventAssetsManagerEx* event){ do_some_thing(); };
 *        auto listener = EventListenerAssetsManagerEx::create(manager, callback);
 *        dispatcher->addEventListenerWithSceneGraphPriority(listener, one_node);
 *
 *     Removes a listener
 *
 *        dispatcher->removeEventListener(listener);
 */
class CC_EX_DLL EventListenerAssetsManagerEx : public cocos2d::EventListenerCustom
{
public:
    friend class AssetsManagerEx;
    
    /** Creates an event listener with type and callback.
     *  @param eventType The type of the event.
     *  @param callback The callback function when the specified event was emitted.
     */
    static EventListenerAssetsManagerEx* create(AssetsManagerEx *AssetsManagerEx, const std::function<void(EventAssetsManagerEx*)>& callback);
    
    /// Overrides
    virtual bool checkAvailable() override;
    virtual EventListenerAssetsManagerEx* clone() override;
    
CC_CONSTRUCTOR_ACCESS:
    /** Constructor */
    EventListenerAssetsManagerEx();
    
    /** Initializes event with type and callback function */
    bool init(const AssetsManagerEx *AssetsManagerEx, const std::function<void(EventAssetsManagerEx*)>& callback);
    
protected:
    static const std::string LISTENER_ID;
    
    std::function<void(EventAssetsManagerEx*)> _onAssetsManagerExEvent;
    
    const AssetsManagerEx *_AssetsManagerEx;
    
    //friend class luaEventListenerAssetsManagerEx;
};

NS_CC_EXT_END

#endif /* defined(__cocos2d_libs__CCEventListenerAssetsManagerEx__) */