CUMultiTouchListener.h

//
//  CUMultiTouchListener.h
//  Cornell Extensions to Cocos2D
//
//  Module provides a time sensitive listener for the touch input.  This class simplifies
//  a lot of the overhead for EventListenerTouchAllAtOnce.  More importantly, it adds a
//  timestamp to all of the callback functions so that the user can precisely time the
//  callbacks.
//
//  Author: Walker White
//  Version: 12/5/15
//
#ifndef __CU_MULTITOUCH_LISTENER_H__
#define __CU_MULTITOUCH_LISTENER_H__

#include <cocos2d.h>
#include "CUTimestamp.h"

NS_CC_BEGIN

#pragma mark -
#pragma mark Touch Listener

class MultiTouchListener : public Ref {
private:
    CC_DISALLOW_COPY_AND_ASSIGN(MultiTouchListener);
    
protected:
    EventDispatcher* _dispatcher;
    EventListenerTouchAllAtOnce* _touchListener;
    bool _active;
    
    
public:
#pragma mark Static Constructors

    static MultiTouchListener* create();
    
    static MultiTouchListener* create(EventDispatcher* dispatcher);
    
    
#pragma mark Event Handling

    void start(int priority);
    
    void start(Node* node);
    
    void stop();
    
    bool isActive() const { return _active; }
    
    std::function<void(const std::vector<Touch*>& touches, timestamp_t time)> onTouchesBegan;
    
    std::function<void(const std::vector<Touch*>& touches, timestamp_t time)> onTouchesMoved;
    
    std::function<void(const std::vector<Touch*>& touches, timestamp_t time)> onTouchesEnded;
    
    std::function<void(const std::vector<Touch*>& touches, timestamp_t time)> onTouchesCancelled;
    
    
#pragma mark Initializers
CC_CONSTRUCTOR_ACCESS:
    MultiTouchListener() : _active(false) {}
    
    virtual ~MultiTouchListener();
    
    bool init() { return init(Director::getInstance()->getEventDispatcher()); }
    
    bool init(EventDispatcher* dispatcher);
    
};

NS_CC_END
#endif /* defined(__CU_MULTITOUCH_LISTENER_H__) */