AniLongPressGestureRecognizer.cpp
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//
// AniLongPressGestureRecognizer.cpp
// SteveMaggieCpp
//
// Created by Katarzyna Kalinowska-Górska on 19.05.2017.
//
//
#include <stdio.h>
#include "AniLongPressGestureRecognizer.h"
#include "AniMathUtils.h"
AniLongPressGestureRecognizer::AniLongPressGestureRecognizer(float waitTime) : AniGestureRecognizer({cocos2d::EventListener::Type::TOUCH_ONE_BY_ONE})
{
_waitTime = waitTime;
_callbackScheduled = false;
_onLongPressDetected = [](cocos2d::Point){
cocos2d::log("on long press detected");
};
}
AniLongPressGestureRecognizer::~AniLongPressGestureRecognizer()
{
};
void AniLongPressGestureRecognizer::setOnLongPressDetectedCallback(std::function<void(cocos2d::Point touchLocation)> callback)
{
_onLongPressDetected = callback;
}
///////////////////////////////////////////////////////////////////////////
// internal
///////////////////////////////////////////////////////////////////////////
// touch handlers
bool AniLongPressGestureRecognizer::onTouchBegan(cocos2d::Touch* touch, cocos2d::Event* event)
{
_startTime = cocos2d::utils::getTimeInMilliseconds();
_startLocation = touch->getLocation();
_callback = [&](float){
_onLongPressDetected(_startLocation);
};
_view->scheduleOnce(_callback, _waitTime, "lpgr_callback");
_callbackScheduled = true;
return true;
}
void AniLongPressGestureRecognizer::onTouchMoved(cocos2d::Touch* touch, cocos2d::Event* event)
{
if(_callbackScheduled){
auto delta = _startLocation.distance(touch->getLocation());
if(delta > MAX_DELTA){
// log("cancelling callback due to delta = "+delta);
_view->unschedule("lpgr_callback");
_callbackScheduled = false;
}
}
}
void AniLongPressGestureRecognizer::onTouchEnded(cocos2d::Touch* touch, cocos2d::Event* event)
{
if(_callbackScheduled){
// log("cancelling callback due to touch ended too soon");
_view->unschedule("lpgr_callback");
_callbackScheduled = false;
}
}