IAPDemo/Libraries/cocos2d/cocos/2d/CCBlockTouchLayer.cpp

//
//  CCBlockTouchLayer.cpp
//  cocos2d_libs
//
//  Created by zhuge on 2023/3/16.
//

#include "CCBlockTouchLayer.h"

#include "base/CCDirector.h"
#include "base/CCEventDispatcher.h"
#include "base/CCEventListenerTouch.h"

cocos2d::CCBlockTouchLayer::CCBlockTouchLayer() {
    
}

cocos2d::CCBlockTouchLayer::~CCBlockTouchLayer() {
    
}

bool cocos2d::CCBlockTouchLayer::init() {
    if (!cocos2d::Layer::init()) {
        return false;
    }
    _registTouch();
    return true;
}

void cocos2d::CCBlockTouchLayer::_registTouch() {
    auto listener = cocos2d::EventListenerTouchOneByOne::create();
    listener->setSwallowTouches(true);
    listener->onTouchBegan = [this](cocos2d::Touch*, cocos2d::Event*) -> bool {
        if (this->isVisible() && this->hasVisibleParents()) {
            // block all touches if visible
            return true;
        } else {
            return false;
        }
    };
    cocos2d::Director::getInstance()->getEventDispatcher()->addEventListenerWithSceneGraphPriority(listener, this);
}

bool cocos2d::CCBlockTouchLayer::hasVisibleParents(){
    auto parent = this->getParent();
    for( auto c = parent; c != nullptr; c = c->getParent() )
    {
        if( !c->isVisible() )
        {
            return false;
        }
    }
    return true;
}