axmol/tests/cpp-tests/Classes/NewEventDispatcherTest/NewEventDispatcherTest.cpp

//
//  NewEventDispatcherTest.cpp
//  samples
//
//  Created by James Chen on 9/13/13.
//
//

#include "NewEventDispatcherTest.h"
#include "testResource.h"

USING_NS_CC;

EventDispatcherTests::EventDispatcherTests()
{
    ADD_TEST_CASE(TouchableSpriteTest);
    ADD_TEST_CASE(FixedPriorityTest);
    ADD_TEST_CASE(RemoveListenerWhenDispatching);
    ADD_TEST_CASE(CustomEventTest);
    ADD_TEST_CASE(LabelKeyboardEventTest);
    ADD_TEST_CASE(SpriteAccelerationEventTest);
    ADD_TEST_CASE(RemoveAndRetainNodeTest);
    ADD_TEST_CASE(RemoveListenerAfterAddingTest);
    ADD_TEST_CASE(DirectorEventTest);
    ADD_TEST_CASE(GlobalZTouchTest);
    ADD_TEST_CASE(StopPropagationTest);
    ADD_TEST_CASE(PauseResumeTargetTest);
    ADD_TEST_CASE(Issue4129);
    ADD_TEST_CASE(Issue4160);
    ADD_TEST_CASE(DanglingNodePointersTest);
    ADD_TEST_CASE(RegisterAndUnregisterWhileEventHanldingTest);
    ADD_TEST_CASE(WindowEventsTest);
    ADD_TEST_CASE(Issue8194);
    ADD_TEST_CASE(Issue9898)
}

std::string EventDispatcherTestDemo::title() const
{
    return "No title";
}

// TouchableSpriteTest
void TouchableSpriteTest::onEnter()
{
    EventDispatcherTestDemo::onEnter();

    Vec2 origin = Director::getInstance()->getVisibleOrigin();
    Size size = Director::getInstance()->getVisibleSize();
    
    auto containerForSprite1 = Node::create();
    auto sprite1 = Sprite::create("Images/CyanSquare.png");
    sprite1->setPosition(origin+Vec2(size.width/2, size.height/2) + Vec2(-80, 80));
    containerForSprite1->addChild(sprite1);
    addChild(containerForSprite1, 10);
    
    auto sprite2 = Sprite::create("Images/MagentaSquare.png");
    sprite2->setPosition(origin+Vec2(size.width/2, size.height/2));
    addChild(sprite2, 20);
    
    auto sprite3 = Sprite::create("Images/YellowSquare.png");
    sprite3->setPosition(Vec2(0, 0));
    sprite2->addChild(sprite3, 1);
    
    // Make sprite1 touchable
    auto listener1 = EventListenerTouchOneByOne::create();
    listener1->setSwallowTouches(true);
    
    listener1->onTouchBegan = [](Touch* touch, Event* event){
        auto target = static_cast<Sprite*>(event->getCurrentTarget());
        
        Vec2 locationInNode = target->convertToNodeSpace(touch->getLocation());
        Size s = target->getContentSize();
        Rect rect = Rect(0, 0, s.width, s.height);
        
        if (rect.containsPoint(locationInNode))
        {
            log("sprite began... x = %f, y = %f", locationInNode.x, locationInNode.y);
            target->setOpacity(180);
            return true;
        }
        return false;
    };
    
    listener1->onTouchMoved = [](Touch* touch, Event* event){
        auto target = static_cast<Sprite*>(event->getCurrentTarget());
        target->setPosition(target->getPosition() + touch->getDelta());
    };
    
    listener1->onTouchEnded = [=](Touch* touch, Event* event){
        auto target = static_cast<Sprite*>(event->getCurrentTarget());
        log("sprite onTouchesEnded.. ");
        target->setOpacity(255);
        if (target == sprite2)
        {
            containerForSprite1->setLocalZOrder(100);
        }
        else if(target == sprite1)
        {
            containerForSprite1->setLocalZOrder(0);
        }
    };
    
    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener1, sprite1);
    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener1->clone(), sprite2);
    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener1->clone(), sprite3);
    

    auto removeAllTouchItem = MenuItemFont::create("Remove All Touch Listeners", [this](Ref* sender){
        auto senderItem = static_cast<MenuItemFont*>(sender);
        senderItem->setString("Only Next item could be clicked");
        
        _eventDispatcher->removeEventListenersForType(EventListener::Type::TOUCH_ONE_BY_ONE);
        
        auto nextItem = MenuItemFont::create("Next", [=](Ref* sender){
            getTestSuite()->enterNextTest();
        });
        
        nextItem->setFontSizeObj(16);
        nextItem->setPosition(VisibleRect::right() + Vec2(-100, -30));
        
        auto menu2 = Menu::create(nextItem, nullptr);
        menu2->setPosition(Vec2(0, 0));
        menu2->setAnchorPoint(Vec2(0, 0));
        this->addChild(menu2);
    });
    
    removeAllTouchItem->setFontSizeObj(16);
    removeAllTouchItem->setPosition(VisibleRect::right() + Vec2(-100, 0));
    
    auto menu = Menu::create(removeAllTouchItem, nullptr);
    menu->setPosition(Vec2(0, 0));
    menu->setAnchorPoint(Vec2(0, 0));
    addChild(menu);
}

std::string TouchableSpriteTest::title() const
{
    return "Touchable Sprite Test";
}

std::string TouchableSpriteTest::subtitle() const
{
    return "Please drag the blocks";
}

// FixedPriorityChangedTest

class TouchableSprite : public Sprite
{
public:
    static TouchableSprite* create(int priority = 0)
    {
        auto ret = new (std::nothrow) TouchableSprite(priority);
        if (ret && ret->init())
        {
            ret->autorelease();
        }
        else
        {
            CC_SAFE_DELETE(ret);
        }
        return ret;
    }

protected:
    TouchableSprite(int priority)
    : _listener(nullptr)
    , _fixedPriority(priority)
    , _removeListenerOnTouchEnded(false)
    {
    }
    
public:
    void onEnter() override
    {
        Sprite::onEnter();
        
        auto listener = EventListenerTouchOneByOne::create();
        listener->setSwallowTouches(true);
        
        listener->onTouchBegan = [=](Touch* touch, Event* event){
            
            Vec2 locationInNode = this->convertToNodeSpace(touch->getLocation());
            Size s = this->getContentSize();
            Rect rect = Rect(0, 0, s.width, s.height);
            
            if (rect.containsPoint(locationInNode))
            {
                this->setColor(Color3B::RED);
                return true;
            }
            return false;
        };
        
        listener->onTouchEnded = [=](Touch* touch, Event* event){
            this->setColor(Color3B::WHITE);
            
            if (_removeListenerOnTouchEnded)
            {
                _eventDispatcher->removeEventListener(listener);
            }
        };
        
        if (_fixedPriority != 0)
        {
            _eventDispatcher->addEventListenerWithFixedPriority(listener, _fixedPriority);
        }
        else
        {
            _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);
        }

        _listener = listener;
    }
    
    void onExit() override
    {
        _eventDispatcher->removeEventListener(_listener);
        
        Sprite::onExit();
    }

    void removeListenerOnTouchEnded(bool toRemove) { _removeListenerOnTouchEnded = toRemove; };
    
    inline EventListener* getListener() { return _listener; };
    
private:
    EventListener* _listener;
    int _fixedPriority;
    bool _removeListenerOnTouchEnded;
};

void FixedPriorityTest::onEnter()
{
    EventDispatcherTestDemo::onEnter();
    
    Vec2 origin = Director::getInstance()->getVisibleOrigin();
    Size size = Director::getInstance()->getVisibleSize();
    
    auto sprite1 = TouchableSprite::create(30);
    sprite1->setTexture("Images/CyanSquare.png");
    sprite1->setPosition(origin+Vec2(size.width/2, size.height/2) + Vec2(-80, 40));
    addChild(sprite1, 10);
    
    auto sprite2 = TouchableSprite::create(20);
    sprite2->setTexture("Images/MagentaSquare.png");
    sprite2->setPosition(origin+Vec2(size.width/2, size.height/2));
    addChild(sprite2, 20);
    
    auto sprite3 = TouchableSprite::create(10);
    sprite3->setTexture("Images/YellowSquare.png");
    sprite3->setPosition(Vec2(0, 0));
    sprite2->addChild(sprite3, 1);

}

std::string FixedPriorityTest::title() const
{
    return "Fixed priority test";
}

std::string FixedPriorityTest::subtitle() const
{
    return "Fixed Priority, Blue: 30, Red: 20, Yellow: 10\n The lower value the higher priority will be.";
}

// RemoveListenerWhenDispatching
void RemoveListenerWhenDispatching::onEnter()
{
    EventDispatcherTestDemo::onEnter();
    
    Vec2 origin = Director::getInstance()->getVisibleOrigin();
    Size size = Director::getInstance()->getVisibleSize();
    
    auto sprite1 = Sprite::create("Images/CyanSquare.png");
    sprite1->setPosition(origin+Vec2(size.width/2, size.height/2));
    addChild(sprite1, 10);
    
    // Make sprite1 touchable
    auto listener1 = EventListenerTouchOneByOne::create();
    listener1->setSwallowTouches(true);
    setUserObject(listener1);
    
    std::shared_ptr<bool> firstClick(new bool(true));
    
    listener1->onTouchBegan = [=](Touch* touch, Event* event){
        Vec2 locationInNode = sprite1->convertToNodeSpace(touch->getLocation());
        Size s = sprite1->getContentSize();
        Rect rect = Rect(0, 0, s.width, s.height);
        
        if (rect.containsPoint(locationInNode))
        {
            sprite1->setColor(Color3B::RED);
            return true;
        }
        return false;
    };
    
    listener1->onTouchEnded = [=](Touch* touch, Event* event){
        sprite1->setColor(Color3B::WHITE);
    };
    
    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener1, sprite1);
    
    auto statusLabel = Label::createWithSystemFont("The sprite could be touched!", "", 20);
    statusLabel->setPosition(origin + Vec2(size.width/2, size.height-90));
    addChild(statusLabel);
    std::shared_ptr<bool> enable(new bool(true));
    // Enable/Disable item
    auto toggleItem = MenuItemToggle::createWithCallback([=](Ref* sender){
        if (*enable)
        {
            _eventDispatcher->removeEventListener(listener1);
            statusLabel->setString("The sprite could not be touched!");
            
            (*enable) = false;
        }
        else
        {
            _eventDispatcher->addEventListenerWithSceneGraphPriority(listener1, sprite1);
            statusLabel->setString("The sprite could be touched!");

            (*enable) = true;
        }
    }, MenuItemFont::create("Enabled"), MenuItemFont::create("Disabled"), nullptr);
    
    toggleItem->setPosition(origin + Vec2(size.width/2, 80));
    auto menu = Menu::create(toggleItem, nullptr);
    menu->setPosition(Vec2(0, 0));
    menu->setAnchorPoint(Vec2(0, 0));
    addChild(menu, -1);
}

std::string RemoveListenerWhenDispatching::title() const
{
    return "Add and remove listener\n when dispatching event";
}

std::string RemoveListenerWhenDispatching::subtitle() const
{
    return "";
}

// CustomEventTest
void CustomEventTest::onEnter()
{
    EventDispatcherTestDemo::onEnter();
    
    Vec2 origin = Director::getInstance()->getVisibleOrigin();
    Size size = Director::getInstance()->getVisibleSize();
    
    MenuItemFont::setFontSize(20);
    
    auto statusLabel = Label::createWithSystemFont("No custom event 1 received!", "", 20);
    statusLabel->setPosition(origin + Vec2(size.width/2, size.height-90));
    addChild(statusLabel);

    _listener = EventListenerCustom::create("game_custom_event1", [=](EventCustom* event){
        std::string str("Custom event 1 received, ");
        char* buf = static_cast<char*>(event->getUserData());
        str += buf;
        str += " times";
        statusLabel->setString(str.c_str());
    });
    
    _eventDispatcher->addEventListenerWithFixedPriority(_listener, 1);
    
    auto sendItem = MenuItemFont::create("Send Custom Event 1", [=](Ref* sender){
        static int count = 0;
        ++count;
        char* buf = new char[10];
        sprintf(buf, "%d", count);
        EventCustom event("game_custom_event1");
        event.setUserData(buf);
        _eventDispatcher->dispatchEvent(&event);
        CC_SAFE_DELETE_ARRAY(buf);
    });
    sendItem->setPosition(origin + Vec2(size.width/2, size.height/2));
    
    auto statusLabel2 = Label::createWithSystemFont("No custom event 2 received!", "", 20);
    statusLabel2->setPosition(origin + Vec2(size.width/2, size.height-120));
    addChild(statusLabel2);
    
    _listener2 = EventListenerCustom::create("game_custom_event2", [=](EventCustom* event){
        std::string str("Custom event 2 received, ");
        char* buf = static_cast<char*>(event->getUserData());
        str += buf;
        str += " times";
        statusLabel2->setString(str.c_str());
    });
    
    _eventDispatcher->addEventListenerWithFixedPriority(_listener2, 1);
    
    auto sendItem2 = MenuItemFont::create("Send Custom Event 2", [=](Ref* sender){
        static int count = 0;
        ++count;
        char* buf = new char[10];
        sprintf(buf, "%d", count);
        EventCustom event("game_custom_event2");
        event.setUserData(buf);
        _eventDispatcher->dispatchEvent(&event);
        CC_SAFE_DELETE_ARRAY(buf);
    });
    sendItem2->setPosition(origin + Vec2(size.width/2, size.height/2 - 40));
    
    auto menu = Menu::create(sendItem, sendItem2, nullptr);
    menu->setPosition(Vec2(0, 0));
    menu->setAnchorPoint(Vec2(0, 0));
    addChild(menu, -1);
}

void CustomEventTest::onExit()
{
    _eventDispatcher->removeEventListener(_listener);
    _eventDispatcher->removeEventListener(_listener2);
    EventDispatcherTestDemo::onExit();
}

std::string CustomEventTest::title() const
{
    return "Send custom event";
}

std::string CustomEventTest::subtitle() const
{
    return "";
}

// LabelKeyboardEventTest
void LabelKeyboardEventTest::onEnter()
{
    EventDispatcherTestDemo::onEnter();
    
    Vec2 origin = Director::getInstance()->getVisibleOrigin();
    Size size = Director::getInstance()->getVisibleSize();
    
    auto statusLabel = Label::createWithSystemFont("No keyboard event received!", "", 20);
    statusLabel->setPosition(origin + Vec2(size.width/2, size.height/2));
    addChild(statusLabel);
        
    auto listener = EventListenerKeyboard::create();
    listener->onKeyPressed = [](EventKeyboard::KeyCode keyCode, Event* event){
        char buf[100] = {0};
        sprintf(buf, "Key %d was pressed!", (int)keyCode);
        auto label = static_cast<Label*>(event->getCurrentTarget());
        label->setString(buf);
    };
    
    listener->onKeyReleased = [](EventKeyboard::KeyCode keyCode, Event* event){
        char buf[100] = {0};
        sprintf(buf, "Key %d was released!", (int)keyCode);
        auto label = static_cast<Label*>(event->getCurrentTarget());
        label->setString(buf);
    };
    
    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, statusLabel);
}

std::string LabelKeyboardEventTest::title() const
{
    return "Label Receives Keyboard Event";
}

std::string LabelKeyboardEventTest::subtitle() const
{
    return "Please click keyboard\n(Only available on Desktop, Android\nand Windows Universal Apps)";
}

// SpriteAccelerationEventTest
void SpriteAccelerationEventTest::onEnter()
{
#define FIX_POS(_pos, _min, _max) \
if (_pos < _min)        \
_pos = _min;        \
else if (_pos > _max)   \
_pos = _max;        \

    EventDispatcherTestDemo::onEnter();
    
    Vec2 origin = Director::getInstance()->getVisibleOrigin();
    Size size = Director::getInstance()->getVisibleSize();
    
    Device::setAccelerometerEnabled(true);
    
    auto sprite = Sprite::create(s_Ball);
    sprite->setPosition(origin + Vec2(size.width/2, size.height/2));
    addChild(sprite);
    
    auto listener = EventListenerAcceleration::create([=](Acceleration* acc, Event* event){
        auto ballSize  = sprite->getContentSize();
        
        auto ptNow  = sprite->getPosition();
        
        log("acc: x = %lf, y = %lf", acc->x, acc->y);
        
        ptNow.x += acc->x * 9.81f;
        ptNow.y += acc->y * 9.81f;
        
        FIX_POS(ptNow.x, (VisibleRect::left().x+ballSize.width / 2.0), (VisibleRect::right().x - ballSize.width / 2.0));
        FIX_POS(ptNow.y, (VisibleRect::bottom().y+ballSize.height / 2.0), (VisibleRect::top().y - ballSize.height / 2.0));
        sprite->setPosition(ptNow);
    });
    
    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, sprite);
}

void SpriteAccelerationEventTest::onExit()
{
    Device::setAccelerometerEnabled(false);
    EventDispatcherTestDemo::onExit();
}

std::string SpriteAccelerationEventTest::title() const
{
    return "Sprite Receives Acceleration Event";
}

std::string SpriteAccelerationEventTest::subtitle() const
{
    return "Please move your device\n(Only available on mobile)";
}

// RemoveAndRetainNodeTest
void RemoveAndRetainNodeTest::onEnter()
{
    _spriteSaved = false;
    
    EventDispatcherTestDemo::onEnter();
    
    Vec2 origin = Director::getInstance()->getVisibleOrigin();
    Size size = Director::getInstance()->getVisibleSize();
    
    _sprite = Sprite::create("Images/CyanSquare.png");
    _sprite->setPosition(origin+Vec2(size.width/2, size.height/2));
    addChild(_sprite, 10);
    
    // Make sprite1 touchable
    auto listener1 = EventListenerTouchOneByOne::create();
    listener1->setSwallowTouches(true);
    
    listener1->onTouchBegan = [](Touch* touch, Event* event){
        auto target = static_cast<Sprite*>(event->getCurrentTarget());
        
        Vec2 locationInNode = target->convertToNodeSpace(touch->getLocation());
        Size s = target->getContentSize();
        Rect rect = Rect(0, 0, s.width, s.height);
        
        if (rect.containsPoint(locationInNode))
        {
            log("sprite began... x = %f, y = %f", locationInNode.x, locationInNode.y);
            target->setOpacity(180);
            return true;
        }
        return false;
    };
    
    listener1->onTouchMoved = [](Touch* touch, Event* event){
        auto target = static_cast<Sprite*>(event->getCurrentTarget());
        target->setPosition(target->getPosition() + touch->getDelta());
    };
    
    listener1->onTouchEnded = [=](Touch* touch, Event* event){
        auto target = static_cast<Sprite*>(event->getCurrentTarget());
        log("sprite onTouchesEnded.. ");
        target->setOpacity(255);
    };
    
    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener1, _sprite);
    
    this->runAction(Sequence::create(DelayTime::create(5.0f),
                                     CallFunc::create([this](){
                                        _spriteSaved = true;
                                        _sprite->retain();
                                        _sprite->removeFromParent();
                                     }),
                                     DelayTime::create(5.0f),
                                     CallFunc::create([this](){
                                        _spriteSaved = false;
                                        this->addChild(_sprite);
                                        _sprite->release();
                                     }),
                                     nullptr
                                     ));
}

void RemoveAndRetainNodeTest::onExit()
{
    EventDispatcherTestDemo::onExit();
    if (_spriteSaved)
    {
        _sprite->release();
    }
}

std::string RemoveAndRetainNodeTest::title() const
{
    return "RemoveAndRetainNodeTest";
}

std::string RemoveAndRetainNodeTest::subtitle() const
{
    return "Sprite should be removed after 5s, add to scene again after 5s";
}

//RemoveListenerAfterAddingTest
void RemoveListenerAfterAddingTest::onEnter()
{
    EventDispatcherTestDemo::onEnter();

    auto item1 = MenuItemFont::create("Click Me 1", [this](Ref* sender){
        auto listener = EventListenerTouchOneByOne::create();
        listener->onTouchBegan = [](Touch* touch, Event* event) -> bool{
            CCASSERT(false, "Should not come here!");
            return true;
        };
        
        _eventDispatcher->addEventListenerWithFixedPriority(listener, -1);
        _eventDispatcher->removeEventListener(listener);
    });

    item1->setPosition(VisibleRect::center() + Vec2(0, 80));
    
    auto addNextButton = [this](){
        auto next = MenuItemFont::create("Please Click Me To Reset!", [this](Ref* sender){
            getTestSuite()->restartCurrTest();
        });
        next->setPosition(VisibleRect::center() + Vec2(0, -40));
        
        auto menu = Menu::create(next, nullptr);
        menu->setPosition(VisibleRect::leftBottom());
        menu->setAnchorPoint(Vec2::ZERO);
        this->addChild(menu);
    };
    
    auto item2 = MenuItemFont::create("Click Me 2", [=](Ref* sender){
        auto listener = EventListenerTouchOneByOne::create();
        listener->onTouchBegan = [](Touch* touch, Event* event) -> bool{
            CCASSERT(false, "Should not come here!");
            return true;
        };
        
        _eventDispatcher->addEventListenerWithFixedPriority(listener, -1);
        _eventDispatcher->removeEventListenersForType(EventListener::Type::TOUCH_ONE_BY_ONE);
        
        addNextButton();
    });
    
    item2->setPosition(VisibleRect::center() + Vec2(0, 40));
    
    auto item3 = MenuItemFont::create("Click Me 3", [=](Ref* sender){
        auto listener = EventListenerTouchOneByOne::create();
        listener->onTouchBegan = [](Touch* touch, Event* event) -> bool{
            CCASSERT(false, "Should not come here!");
            return true;
        };
        
        _eventDispatcher->addEventListenerWithFixedPriority(listener, -1);
        _eventDispatcher->removeAllEventListeners();
        
        addNextButton();
    });
    
    item3->setPosition(VisibleRect::center());
    
    auto menu = Menu::create(item1, item2, item3, nullptr);
    menu->setPosition(VisibleRect::leftBottom());
    menu->setAnchorPoint(Vec2::ZERO);

    addChild(menu);
}

void RemoveListenerAfterAddingTest::onExit()
{
    EventDispatcherTestDemo::onExit();
}

std::string RemoveListenerAfterAddingTest::title() const
{
    return "RemoveListenerAfterAddingTest";
}

std::string RemoveListenerAfterAddingTest::subtitle() const
{
    return "Should not crash!";
}


//
//DirectorEventTest
//
DirectorEventTest::DirectorEventTest()
:_count1(0)
,_count2(0)
,_count3(0)
,_count4(0)
{

}

void DirectorEventTest::onEnter()
{
    EventDispatcherTestDemo::onEnter();

    Size s = Director::getInstance()->getWinSize();

    TTFConfig ttfConfig("fonts/arial.ttf", 20);

    _label1 = Label::createWithTTF(ttfConfig, "Update: 0");
    _label1->setAnchorPoint(Vec2::ANCHOR_BOTTOM_LEFT);
    _label1->setPosition(30,s.height/2 + 60);
    this->addChild(_label1);

    _label2 = Label::createWithTTF(ttfConfig, "Visit: 0");
    _label2->setAnchorPoint(Vec2::ANCHOR_BOTTOM_LEFT);
    _label2->setPosition(30,s.height/2 + 20);
    this->addChild(_label2);

    _label3 = Label::createWithTTF(ttfConfig, "Draw: 0");
    _label3->setAnchorPoint(Vec2::ANCHOR_BOTTOM_LEFT);
    _label3->setPosition(30,30);
    _label3->setPosition(30,s.height/2 - 20);
    this->addChild(_label3);

    _label4 = Label::createWithTTF(ttfConfig, "Projection: 0");
    _label4->setAnchorPoint(Vec2::ANCHOR_BOTTOM_LEFT);
    _label4->setPosition(30,30);
    _label4->setPosition(30,s.height/2 - 60);
    this->addChild(_label4);

    auto dispatcher = Director::getInstance()->getEventDispatcher();

    _event1 = dispatcher->addCustomEventListener(Director::EVENT_AFTER_UPDATE, std::bind(&DirectorEventTest::onEvent1, this, std::placeholders::_1));
    _event2 = dispatcher->addCustomEventListener(Director::EVENT_AFTER_VISIT, std::bind(&DirectorEventTest::onEvent2, this, std::placeholders::_1));
    _event3 = dispatcher->addCustomEventListener(Director::EVENT_AFTER_DRAW, [&](EventCustom *event) {
        char buf[20];
        snprintf(buf, sizeof(buf)-1, "Draw: %d", _count3++);
        _label3->setString(buf);
    });
    _event4 = dispatcher->addCustomEventListener(Director::EVENT_PROJECTION_CHANGED, [&](EventCustom *event) {
        char buf[20];
        snprintf(buf, sizeof(buf)-1, "Projection: %d", _count4++);
        _label4->setString(buf);
    });

    _event1->retain();
    _event2->retain();
    _event3->retain();
    _event4->retain();

    scheduleUpdate();
}

void DirectorEventTest::update(float dt)
{
    static float time = 0;

    time += dt;
    if(time > 0.5) {
        Director::getInstance()->setProjection(Director::Projection::_2D);
        time = 0;
    }
}

void DirectorEventTest::onExit()
{
    EventDispatcherTestDemo::onExit();

    Director::getInstance()->setProjection(Director::Projection::DEFAULT);

    auto dispatcher = Director::getInstance()->getEventDispatcher();
    dispatcher->removeEventListener(_event1);
    dispatcher->removeEventListener(_event2);
    dispatcher->removeEventListener(_event3);
    dispatcher->removeEventListener(_event4);

    _event1->release();
    _event2->release();
    _event3->release();
    _event4->release();
}

void DirectorEventTest::onEvent1(EventCustom *event)
{
    char buf[20];
    snprintf(buf, sizeof(buf)-1, "Update: %d", _count1++);
    _label1->setString(buf);
}

void DirectorEventTest::onEvent2(EventCustom *event)
{
    char buf[20];
    snprintf(buf, sizeof(buf)-1, "Visit: %d", _count2++);
    _label2->setString(buf);
}


std::string DirectorEventTest::title() const
{
    return "Testing Director Events";
}

std::string DirectorEventTest::subtitle() const
{
    return "after visit, after draw, after update, projection changed";
}

// GlobalZTouchTest
GlobalZTouchTest::GlobalZTouchTest()
: _sprite(nullptr)
, _accum(0)
{
    
    auto listener = EventListenerTouchOneByOne::create();
    listener->setSwallowTouches(true);
    
    listener->onTouchBegan = [](Touch* touch, Event* event){
        auto target = static_cast<Sprite*>(event->getCurrentTarget());
        
        Vec2 locationInNode = target->convertToNodeSpace(touch->getLocation());
        Size s = target->getContentSize();
        Rect rect = Rect(0, 0, s.width, s.height);
        
        if (rect.containsPoint(locationInNode))
        {
            log("sprite began... x = %f, y = %f", locationInNode.x, locationInNode.y);
            target->setOpacity(180);
            return true;
        }
        return false;
    };
    
    listener->onTouchMoved = [](Touch* touch, Event* event){
        auto target = static_cast<Sprite*>(event->getCurrentTarget());
        target->setPosition(target->getPosition() + touch->getDelta());
    };
    
    listener->onTouchEnded = [=](Touch* touch, Event* event){
        auto target = static_cast<Sprite*>(event->getCurrentTarget());
        log("sprite onTouchesEnded.. ");
        target->setOpacity(255);
    };
    
    const int SPRITE_COUNT = 8;
    
    for (int i = 0; i < SPRITE_COUNT; i++)
    {
        Sprite *sprite;
        if(i==4)
        {
            sprite = Sprite::create("Images/CyanSquare.png");
            _sprite = sprite;
            _sprite->setGlobalZOrder(-1);
        }
        else
        {
            sprite = Sprite::create("Images/YellowSquare.png");
        }
        
        _eventDispatcher->addEventListenerWithSceneGraphPriority(listener->clone(), sprite);
        
        this->addChild(sprite);
        
        Size visibleSize = Director::getInstance()->getVisibleSize();
        sprite->setPosition(VisibleRect::left().x + visibleSize.width / (SPRITE_COUNT - 1) * i, VisibleRect::center().y);
    }
    
    this->scheduleUpdate();
}

void GlobalZTouchTest::update(float dt)
{
    _accum += dt;
    if( _accum > 2.0f) {
        float z = _sprite->getGlobalZOrder();
        _sprite->setGlobalZOrder(-z);
        _accum = 0;
    }
}

std::string GlobalZTouchTest::title() const
{
    return "Global Z Value, Try touch blue sprite";
}

std::string GlobalZTouchTest::subtitle() const
{
    return "Blue Sprite should change go from foreground to background";
}

StopPropagationTest::StopPropagationTest()
{
    static const int TAG_BLUE_SPRITE = 101;
    static const int TAG_BLUE_SPRITE2 = 102;

    auto touchOneByOneListener = EventListenerTouchOneByOne::create();
    touchOneByOneListener->setSwallowTouches(true);
    
    touchOneByOneListener->onTouchBegan = [=](Touch* touch, Event* event){
        // Skip if don't touch top half screen.
        if (!this->isPointInTopHalfAreaOfScreen(touch->getLocation()))
            return false;
        
        auto target = static_cast<Sprite*>(event->getCurrentTarget());
        CCASSERT(target->getTag() == TAG_BLUE_SPRITE, "Yellow blocks shouldn't response event.");
        
        if (this->isPointInNode(touch->getLocation(), target))
        {
            target->setOpacity(180);
            return true;
        }
        
        // Stop propagation, so yellow blocks will not be able to receive event.
        event->stopPropagation();
        return false;
    };
    
    touchOneByOneListener->onTouchEnded = [=](Touch* touch, Event* event){
        auto target = static_cast<Sprite*>(event->getCurrentTarget());
        target->setOpacity(255);
    };
    
    auto touchAllAtOnceListener = EventListenerTouchAllAtOnce::create();
    touchAllAtOnceListener->onTouchesBegan = [=](const std::vector<Touch*>& touches, Event* event){
        // Skip if don't touch top half screen.
        if (this->isPointInTopHalfAreaOfScreen(touches[0]->getLocation()))
            return;
        
        auto target = static_cast<Sprite*>(event->getCurrentTarget());
        CCASSERT(target->getTag() == TAG_BLUE_SPRITE2, "Yellow blocks shouldn't response event.");
        
        if (this->isPointInNode(touches[0]->getLocation(), target))
        {
            target->setOpacity(180);
        }
        // Stop propagation, so yellow blocks will not be able to receive event.
        event->stopPropagation();
    };
    
    touchAllAtOnceListener->onTouchesEnded = [=](const std::vector<Touch*>& touches, Event* event){
        // Skip if don't touch top half screen.
        if (this->isPointInTopHalfAreaOfScreen(touches[0]->getLocation()))
            return;
        
        auto target = static_cast<Sprite*>(event->getCurrentTarget());
        CCASSERT(target->getTag() == TAG_BLUE_SPRITE2, "Yellow blocks shouldn't response event.");
        
        if (this->isPointInNode(touches[0]->getLocation(), target))
        {
            target->setOpacity(255);
        }
        // Stop propagation, so yellow blocks will not be able to receive event.
        event->stopPropagation();
    };
    
    auto keyboardEventListener = EventListenerKeyboard::create();
    keyboardEventListener->onKeyPressed = [](EventKeyboard::KeyCode /*key*/, Event* event){
        auto target = static_cast<Sprite*>(event->getCurrentTarget());
        CCASSERT(target->getTag() == TAG_BLUE_SPRITE || target->getTag() == TAG_BLUE_SPRITE2, "Yellow blocks shouldn't response event.");
        // Stop propagation, so yellow blocks will not be able to receive event.
        event->stopPropagation();
    };
    
    const int SPRITE_COUNT = 8;
    
    for (int i = 0; i < SPRITE_COUNT; i++)
    {
        Sprite* sprite;
        Sprite* sprite2;
        
        if(i==4)
        {
            sprite = Sprite::create("Images/CyanSquare.png");
            sprite->setTag(TAG_BLUE_SPRITE);
            addChild(sprite, 100);
            
            sprite2 = Sprite::create("Images/CyanSquare.png");
            sprite2->setTag(TAG_BLUE_SPRITE2);
            addChild(sprite2, 100);
        }
        else
        {
            sprite = Sprite::create("Images/YellowSquare.png");
            addChild(sprite, 0);
            sprite2 = Sprite::create("Images/YellowSquare.png");
            addChild(sprite2, 0);
        }
        
        _eventDispatcher->addEventListenerWithSceneGraphPriority(touchOneByOneListener->clone(), sprite);
        _eventDispatcher->addEventListenerWithSceneGraphPriority(keyboardEventListener->clone(), sprite);
        
        _eventDispatcher->addEventListenerWithSceneGraphPriority(touchAllAtOnceListener->clone(), sprite2);
        _eventDispatcher->addEventListenerWithSceneGraphPriority(keyboardEventListener->clone(), sprite2);

        
        Size visibleSize = Director::getInstance()->getVisibleSize();
        sprite->setPosition(VisibleRect::left().x + visibleSize.width / (SPRITE_COUNT - 1) * i, VisibleRect::center().y + sprite2->getContentSize().height/2 +10);
        sprite2->setPosition(VisibleRect::left().x + visibleSize.width / (SPRITE_COUNT - 1) * i, VisibleRect::center().y - sprite2->getContentSize().height/2-10);
    }
}

bool StopPropagationTest::isPointInNode(Vec2 pt, Node* node)
{
    Vec2 locationInNode = node->convertToNodeSpace(pt);
    Size s = node->getContentSize();
    Rect rect = Rect(0, 0, s.width, s.height);
    
    if (rect.containsPoint(locationInNode))
    {
        return true;
    }
    return false;
}

bool StopPropagationTest::isPointInTopHalfAreaOfScreen(Vec2 pt)
{
    Size winSize = Director::getInstance()->getWinSize();
    
    if (pt.y >= winSize.height/2) {
        return true;
    }
    
    return false;
}

std::string StopPropagationTest::title() const
{
    return "Stop Propagation Test";
}

std::string StopPropagationTest::subtitle() const
{
    return "Shouldn't crash and only blue block could be clicked";
}

// PauseResumeTargetTest
PauseResumeTargetTest::PauseResumeTargetTest()
{
    Vec2 origin = Director::getInstance()->getVisibleOrigin();
    Size size = Director::getInstance()->getVisibleSize();
    
    auto sprite1 = TouchableSprite::create();
    sprite1->setTexture("Images/CyanSquare.png");
    sprite1->setPosition(origin+Vec2(size.width/2, size.height/2) + Vec2(-80, 40));
    addChild(sprite1, -10);
    
    auto sprite2 = TouchableSprite::create();
    sprite2->setTexture("Images/MagentaSquare.png");
    sprite2->setPosition(origin+Vec2(size.width/2, size.height/2));
    addChild(sprite2, -20);
    
    auto sprite3 = TouchableSprite::create(100); // Sprite3 uses fixed priority listener
    sprite3->setTexture("Images/YellowSquare.png");
    sprite3->setPosition(Vec2(0, 0));
    sprite2->addChild(sprite3, -1);
    
    auto popup = MenuItemFont::create("Popup", [=](Ref* sender){
        
        sprite3->getListener()->setEnabled(false);
        _eventDispatcher->pauseEventListenersForTarget(this, true);
        
        auto colorLayer = LayerColor::create(Color4B(0, 0, 255, 100));
        this->addChild(colorLayer, 99999);
        
        auto closeItem = MenuItemFont::create("close", [=](Ref* sender){
            colorLayer->removeFromParent();
            _eventDispatcher->resumeEventListenersForTarget(this, true);
            sprite3->getListener()->setEnabled(true);
        });
        
        closeItem->setPosition(VisibleRect::center());
        
        auto closeMenu = Menu::create(closeItem, nullptr);
        closeMenu->setAnchorPoint(Vec2::ANCHOR_BOTTOM_LEFT);
        closeMenu->setPosition(Vec2::ZERO);
        
        colorLayer->addChild(closeMenu);
    });
    
    popup->setAnchorPoint(Vec2::ANCHOR_MIDDLE_RIGHT);
    popup->setPosition(VisibleRect::right());
    
    auto menu = Menu::create(popup, nullptr);
    menu->setAnchorPoint(Vec2::ANCHOR_BOTTOM_LEFT);
    menu->setPosition(Vec2::ZERO);
    
    addChild(menu);
}

PauseResumeTargetTest::~PauseResumeTargetTest()
{
}

std::string PauseResumeTargetTest::title() const
{
    return "PauseResumeTargetTest";
}

std::string PauseResumeTargetTest::subtitle() const
{
    return "Yellow block uses fixed priority";
}

// Issue4129
Issue4129::Issue4129()
: _bugFixed(false)
{
    _customlistener = _eventDispatcher->addCustomEventListener(EVENT_COME_TO_BACKGROUND, [this](EventCustom* event){
        
        auto label = Label::createWithSystemFont("Yeah, this issue was fixed.", "", 20);
        label->setAnchorPoint(Vec2(0, 0.5f));
        label->setPosition(Vec2(VisibleRect::left()));
        this->addChild(label);
        
        // After test, remove it.
        _eventDispatcher->removeEventListener(_customlistener);
        _customlistener = nullptr;

        _bugFixed = true;
    });

    auto removeAllTouchItem = MenuItemFont::create("Remove All Listeners", [this](Ref* sender){
        auto senderItem = static_cast<MenuItemFont*>(sender);
        senderItem->setString("Only 'Reset' item could be clicked");
        
        _eventDispatcher->removeAllEventListeners();
        
        auto nextItem = MenuItemFont::create("Reset", [=](Ref* sender){
            CCASSERT(_bugFixed, "This issue was not fixed!");
            getTestSuite()->restartCurrTest();
        });
        
        nextItem->setFontSizeObj(16);
        nextItem->setPosition(VisibleRect::right() + Vec2(-100, -30));
        
        auto menu2 = Menu::create(nextItem, nullptr);
        menu2->setPosition(Vec2(0, 0));
        menu2->setAnchorPoint(Vec2(0, 0));
        this->addChild(menu2);
        
        // Simulate to dispatch 'come to background' event
        _eventDispatcher->dispatchCustomEvent(EVENT_COME_TO_BACKGROUND);
    });
    
    removeAllTouchItem->setFontSizeObj(16);
    removeAllTouchItem->setPosition(VisibleRect::right() + Vec2(-100, 0));
    
    auto menu = Menu::create(removeAllTouchItem, nullptr);
    menu->setPosition(Vec2(0, 0));
    menu->setAnchorPoint(Vec2(0, 0));
    addChild(menu);
}

Issue4129::~Issue4129()
{
    if (_customlistener)
    {
        _eventDispatcher->removeEventListener(_customlistener);
    }
}

std::string Issue4129::title() const
{
    return "Issue 4129: Remove All Listeners";
}

std::string Issue4129::subtitle() const
{
    return "Should see 'Yeah, this issue was fixed.'";
}

// Issue4160
Issue4160::Issue4160()
{
    Vec2 origin = Director::getInstance()->getVisibleOrigin();
    Size size = Director::getInstance()->getVisibleSize();
    
    auto sprite1 = TouchableSprite::create(-30);
    sprite1->setTexture("Images/CyanSquare.png");
    sprite1->setPosition(origin+Vec2(size.width/2, size.height/2) + Vec2(-80, 40));
    addChild(sprite1, -10);
    
    auto sprite2 = TouchableSprite::create(-20);
    sprite2->setTexture("Images/MagentaSquare.png");
    sprite2->removeListenerOnTouchEnded(true);
    sprite2->setPosition(origin+Vec2(size.width/2, size.height/2));
    addChild(sprite2, -20);
    
    auto sprite3 = TouchableSprite::create(-10);
    sprite3->setTexture("Images/YellowSquare.png");
    sprite3->setPosition(Vec2(0, 0));
    sprite2->addChild(sprite3, -1);
}

Issue4160::~Issue4160()
{
}

std::string Issue4160::title() const
{
    return "Issue 4160: Out of range exception";
}

std::string Issue4160::subtitle() const
{
    return "Touch the red block twice \n should not crash and the red one couldn't be touched";
}

// DanglingNodePointersTest
class DanglingNodePointersTestSprite : public Sprite
{
public:
    
    typedef std::function<void (DanglingNodePointersTestSprite * sprite)> TappedCallback;
    
    static DanglingNodePointersTestSprite * create(const TappedCallback & tappedCallback)
    {
        auto ret = new (std::nothrow) DanglingNodePointersTestSprite(tappedCallback);
        
        if (ret && ret->init())
        {
            ret->autorelease();
            return ret;
        }

        CC_SAFE_DELETE(ret);
        return nullptr;
    }

protected:
    
    DanglingNodePointersTestSprite(const TappedCallback & tappedCallback)
    :
        _eventListener(nullptr),
        _tappedCallback(tappedCallback)
    {
        
    }
    
public:
    
    void onEnter() override
    {
        Sprite::onEnter();
        
        _eventListener = EventListenerTouchOneByOne::create();
        _eventListener->setSwallowTouches(false);
        
        _eventListener->onTouchBegan = [this](Touch* touch, Event* event) -> bool
        {
            _tappedCallback(this);
            return false;           // Don't claim the touch so it can propagate
        };
        
        _eventListener->onTouchEnded = [](Touch* touch, Event* event)
        {
            // Do nothing
        };
        
        _eventDispatcher->addEventListenerWithSceneGraphPriority(_eventListener, this);
    }
    
    void onExit() override
    {
        _eventDispatcher->removeEventListenersForTarget(this);
        _eventListener = nullptr;
        Sprite::onExit();
    }
    
private:    
    EventListenerTouchOneByOne* _eventListener;
    TappedCallback _tappedCallback;
};

DanglingNodePointersTest::DanglingNodePointersTest()
{
#if CC_NODE_DEBUG_VERIFY_EVENT_LISTENERS == 1 && COCOS2D_DEBUG > 0
    Vec2 origin = Director::getInstance()->getVisibleOrigin();
    Size size = Director::getInstance()->getVisibleSize();
    
    auto callback2 = [](DanglingNodePointersTestSprite * sprite2)
    {
        CCASSERT(false, "This should never be called because the sprite gets removed from it's parent and destroyed!");
        exit(1);
    };
    
    auto callback1 = [callback2, origin, size](DanglingNodePointersTestSprite * sprite1)
    {
        DanglingNodePointersTestSprite * sprite2 = dynamic_cast<DanglingNodePointersTestSprite*>(sprite1->getChildren().at(0));
        CCASSERT(sprite2, "The first child of sprite 1 should be sprite 2!");
        CCASSERT(sprite2->getReferenceCount() == 1, "There should only be 1 reference to sprite 1, from it's parent node. Hence removing it will destroy it!");
        sprite1->removeAllChildren();   // This call should cause sprite 2 to be destroyed
        
        // Recreate sprite 1 again
        sprite2 = DanglingNodePointersTestSprite::create(callback2);
        sprite2->setTexture("Images/MagentaSquare.png");
        sprite2->setPosition(origin+Vec2(size.width/2, size.height/2));
        sprite1->addChild(sprite2, -20);
    };
    
    auto sprite1 = DanglingNodePointersTestSprite::create(callback1);    // Sprite 1 will receive touch before sprite 2
    sprite1->setTexture("Images/CyanSquare.png");
    sprite1->setPosition(origin+Vec2(size.width/2, size.height/2));
    addChild(sprite1, -10);
    
    auto sprite2 = DanglingNodePointersTestSprite::create(callback2);   // Sprite 2 will be removed when sprite 1 is touched, should never receive an event.
    sprite2->setTexture("Images/MagentaSquare.png");
    sprite2->setPosition(origin+Vec2(size.width/2, size.height/2));
    sprite1->addChild(sprite2, -20);
    
#endif
}

DanglingNodePointersTest::~DanglingNodePointersTest()
{
    
}

std::string DanglingNodePointersTest::title() const
{
    return "DanglingNodePointersTest";
}

std::string DanglingNodePointersTest::subtitle() const
{
#if CC_NODE_DEBUG_VERIFY_EVENT_LISTENERS == 1 && COCOS2D_DEBUG > 0
    return  "Tap the square - should not crash!";
#else
    return  "For test to work, must be compiled with:\n"
            "CC_NODE_DEBUG_VERIFY_EVENT_LISTENERS == 1\n&& COCOS2D_DEBUG > 0";
#endif
}


RegisterAndUnregisterWhileEventHanldingTest::RegisterAndUnregisterWhileEventHanldingTest()
{
    Vec2 origin = Director::getInstance()->getVisibleOrigin();
    Size size = Director::getInstance()->getVisibleSize();
    
    auto callback1 = [=](DanglingNodePointersTestSprite * sprite)
    {
        auto callback2 = [](DanglingNodePointersTestSprite * sprite)
        {
            CCASSERT(false, "This should never get called!");
        };
        
        {
            AutoreleasePool pool;
            
            auto sprite2 = DanglingNodePointersTestSprite::create(callback2);
            sprite2->setTexture("Images/CyanSquare.png");
            sprite2->setPosition(origin+Vec2(size.width/2, size.height/2));
            
            addChild(sprite2, 0);
            removeChild(sprite2);
        }
    };
    
    auto sprite1 = DanglingNodePointersTestSprite::create(callback1);
    sprite1->setTexture("Images/CyanSquare.png");
    sprite1->setPosition(origin+Vec2(size.width/2, size.height/2));
    addChild(sprite1, -10);
}

std::string RegisterAndUnregisterWhileEventHanldingTest::title() const
{
    return "RegisterAndUnregisterWhileEventHanldingTest";
}

std::string RegisterAndUnregisterWhileEventHanldingTest::subtitle() const
{
    return  "Tap the square multiple times - should not crash!";
}

//
WindowEventsTest::WindowEventsTest()
{
#if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32) || (CC_TARGET_PLATFORM == CC_PLATFORM_LINUX) || (CC_TARGET_PLATFORM == CC_PLATFORM_MAC)
    auto dispatcher = Director::getInstance()->getEventDispatcher();
    dispatcher->addCustomEventListener(GLViewImpl::EVENT_WINDOW_RESIZED, [](EventCustom* event) {
        // TODO: need to create resizeable window
        log("<<< WINDOW RESIZED! >>> ");
    });
    dispatcher->addCustomEventListener(GLViewImpl::EVENT_WINDOW_FOCUSED, [](EventCustom* event) {
        log("<<< WINDOW FOCUSED! >>> ");
    });
    dispatcher->addCustomEventListener(GLViewImpl::EVENT_WINDOW_UNFOCUSED, [](EventCustom* event) {
        log("<<< WINDOW BLURRED! >>> ");
    });
#endif
}

std::string WindowEventsTest::title() const
{
    return "WindowEventsTest";
}

std::string WindowEventsTest::subtitle() const
{
#if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32) || (CC_TARGET_PLATFORM == CC_PLATFORM_LINUX) || (CC_TARGET_PLATFORM == CC_PLATFORM_MAC)
    return  "Resize and Switch to another window and back. Read Logs.";
#else
    return  "Unsupported platform.";
#endif
}


// https://github.com/cocos2d/cocos2d-x/issues/8194
Issue8194::Issue8194()
{
    auto origin = Director::getInstance()->getVisibleOrigin();
    auto size = Director::getInstance()->getVisibleSize();
    static bool nodesAdded = false;
#define tagA 100
#define tagB 101
    // dispatch custom event in another custom event, make the custom event "Issue8194" take effect immediately
    _listener = getEventDispatcher()->addCustomEventListener(Director::EVENT_AFTER_UPDATE, [this](cocos2d::EventCustom *event){
        if (nodesAdded)
        {
            // CCLOG("Fire Issue8194 Event");
            getEventDispatcher()->dispatchCustomEvent("Issue8194");
            
            // clear test nodes and listeners
            getEventDispatcher()->removeCustomEventListeners("Issue8194");
            removeChildByTag(tagA);
            removeChildByTag(tagB);
            nodesAdded = false;
        }
    });
    
    // When click this menuitem, it will add two node A and B, then send a custom event.
    // Because Node B's localZOrder < A's, the custom event should process by node B.
    auto menuItem = MenuItemFont::create("Dispatch Custom Event", [this](Ref *sender) {
        // add nodeA to scene
        auto nodeA = Node::create();
        addChild(nodeA, 1, tagA);
        
        cocos2d::EventListenerCustom* listenerA = cocos2d::EventListenerCustom::create("Issue8194", [&](cocos2d::EventCustom *event){
            _subtitleLabel->setString("Bug has been fixed.");
            event->stopPropagation();
        });
        getEventDispatcher()->addEventListenerWithSceneGraphPriority(listenerA, nodeA);
       
        // add nodeB to scene
        auto nodeB = Node::create();
        addChild(nodeB, -1, tagB);
        
        cocos2d::EventListenerCustom* listenerB = cocos2d::EventListenerCustom::create("Issue8194", [&](cocos2d::EventCustom *event){
            _subtitleLabel->setString("Bug exist yet.");
            event->stopPropagation();
        });
        getEventDispatcher()->addEventListenerWithSceneGraphPriority(listenerB, nodeB);
        
        nodesAdded = true;
    });
    
    menuItem->setPosition(origin.x + size.width/2, origin.y + size.height/2);
    auto menu = Menu::create(menuItem, nullptr);
    menu->setPosition(Vec2::ZERO);
    addChild(menu);
}

Issue8194::~Issue8194()
{
    getEventDispatcher()->removeEventListener(_listener);
}

std::string Issue8194::title() const
{
    return "Issue 8194";
}

std::string Issue8194::subtitle() const
{
    return  "After click button, should show 'Bug has been fixed.'";
}

Issue9898::Issue9898()
{
    auto origin = Director::getInstance()->getVisibleOrigin();
    auto size = Director::getInstance()->getVisibleSize();

    auto nodeA = Node::create();
    addChild(nodeA);

    _listener = cocos2d::EventListenerCustom::create("Issue9898", [&](cocos2d::EventCustom *event){
        _eventDispatcher->removeEventListener(_listener);
        _eventDispatcher->dispatchCustomEvent("Issue9898");
    });
    _eventDispatcher->addEventListenerWithSceneGraphPriority(_listener, nodeA);

    auto menuItem = MenuItemFont::create("Dispatch Custom Event", [&](Ref *sender) {
        _eventDispatcher->dispatchCustomEvent("Issue9898");
    });
    menuItem->setPosition(origin.x + size.width/2, origin.y + size.height/2);
    auto menu = Menu::create(menuItem, nullptr);
    menu->setPosition(Vec2::ZERO);
    addChild(menu);
}

std::string Issue9898::title() const
{
    return "Issue 9898";
}

std::string Issue9898::subtitle() const
{
    return  "Should not crash if dispatch event after remove\n event listener in callback";
}