cocos2dx源码：popup实现

头文件Popup.h

#ifndef _POPUP_H_#define _POPUP_H_#include "cocos2d.h"#include "GmbsCocos.h"#include "ui/CocosGUI.h"USING_NS_CC;class Popup : public LayerColor{    //typedef std::function<void(void)> showEnd_t;public:    Popup();    ~Popup();    bool create(Size &size, const char* bgFileName, bool autorelease = true);    virtual bool init();    void show(float seconds, bool removedWhenShowEnd = true, std::function<void(void)> showEndCallback = nullptr);    void show01(float seconds, bool removedWhenShowEnd = true, std::function<void(void)> showEndCallback = nullptr);    void showEnd();    void showWithAction(ActionInterval* action, bool removedWhenShowEnd, std::function<void(void)> showEndCallback);    void setVisible(bool visible);    void setHideCallback(std::function<void(void)> showEndCallback)    {        m_showEndCallback = showEndCallback;    }    void setHideWhenTouch(bool hideWhenTouch)    {        m_hideWhenTouch = hideWhenTouch;    }protected:    virtual bool onTouchBegan(Touch *pTouch, Event *pEvent);    EventListenerTouchOneByOne* m_touchListener;    ui::Scale9Sprite* m_background;    std::function<void(void)> m_showEndCallback;    bool m_removedWhenShowEnd;    bool m_hideWhenTouch;};#endif

源文件Popup.cpp

#include "Popup.h"Popup::Popup(){    m_touchListener = nullptr;    m_showEndCallback = nullptr;    m_hideWhenTouch = false;    m_removedWhenShowEnd = false;}Popup::~Popup(){}bool Popup::create(Size &size, const char* bgFileName, bool autorelease){    if (!this->initWithColor(Color4B(0, 0, 0, 0)))        return false;    if (autorelease)        this->autorelease();    this->setContentSize(size);    m_background = nullptr;    if (bgFileName != nullptr)    {        GmbsPoint pt;        m_background = ui::Scale9Sprite::create(bgFileName);        this->addChild(m_background);        m_background->setAnchorPoint(Vec2(0.5, 0.5));        m_background->setContentSize(size);        m_background->setColor(Color3B(255, 133, 52));        m_background->setOpacity(220);        pt.reset(m_background);        pt.xMiddleAlign(this).yMiddleAlign(this);        m_background->setPosition(pt);        Size frameSize(size.width + 4, size.height + 4);        ui::Scale9Sprite* frame = ui::Scale9Sprite::create(bgFileName);        this->addChild(frame, -1);        frame->setAnchorPoint(Vec2(0.5, 0.5));        frame->setContentSize(frameSize);        frame->setColor(Color3B(255, 255, 255));        pt.reset(frame);        pt.xMiddleAlign(m_background).yMiddleAlign(m_background);        frame->setPosition(pt);    }    setVisible(true);    return this->init();}bool Popup::init(){    return true;}void Popup::setVisible(bool visible){    if (visible && !m_touchListener)    {        m_touchListener = EventListenerTouchOneByOne::create();        m_touchListener->onTouchBegan = CC_CALLBACK_2(Popup::onTouchBegan, this);;        m_touchListener->setSwallowTouches(true);        _eventDispatcher->addEventListenerWithSceneGraphPriority(m_touchListener, this);    }    else if (!visible && m_touchListener)    {        _eventDispatcher->removeEventListener(m_touchListener);        m_touchListener = nullptr;    }    LayerColor::setVisible(visible);}bool Popup::onTouchBegan(Touch *pTouch, Event *pEvent){    if (m_hideWhenTouch)    {        Size size = getContentSize();        Rect boundingRect(0, 0, size.width, size.height);        Point touchPoint = convertTouchToNodeSpace(pTouch);        if (!boundingRect.containsPoint(touchPoint))        {            showEnd();        }    }    return true;}void Popup::show(float seconds, bool removedWhenShowEnd, std::function<void(void)> showEndCallback){    auto action = Sequence::create(            DelayTime::create(seconds),            CallFunc::create(CC_CALLBACK_0(Popup::showEnd, this)), nullptr);    this->showWithAction(action, removedWhenShowEnd, showEndCallback);}void Popup::show01(float seconds, bool removedWhenShowEnd, std::function<void(void)> showEndCallback){    setScale(0);    auto action = Sequence::create(            ScaleTo::create(0.8f, 1.25f),            DelayTime::create(seconds),            CallFunc::create(CC_CALLBACK_0(Popup::showEnd, this)), nullptr);    this->showWithAction(action, removedWhenShowEnd, showEndCallback);}void Popup::showWithAction(ActionInterval* action, bool removedWhenShowEnd, std::function<void(void)> showEndCallback){    this->stopActionByTag(1);    action->setTag(1);    this->runAction(action);    setVisible(true);    m_removedWhenShowEnd = removedWhenShowEnd;    m_showEndCallback = showEndCallback;}void Popup::showEnd(){    setVisible(false);    if (m_showEndCallback)        m_showEndCallback();    if (m_removedWhenShowEnd)        this->removeFromParent();}