fix addEventListener hidden problem

cocos/ui/UIListView.cpp

@@ -454,6 +454,12 @@ void ListView::addEventListenerListView(Ref *target, SEL_ListViewEvent selector)
     _listViewEventSelector = selector;
 }
     
+void ListView::addEventListener(const ccScrollViewCallback& callback)
+{
+    ScrollView::addEventListener(callback);
+}
+
+    
 void ListView::addEventListener(const ccListViewCallback& callback)
 {
     _eventCallback = callback;

cocos/ui/UIListView.h

@@ -174,6 +174,7 @@ public:
     
     CC_DEPRECATED_ATTRIBUTE void addEventListenerListView(Ref* target, SEL_ListViewEvent selector);
     void addEventListener(const ccListViewCallback& callback);
+    virtual void addEventListener(const ccScrollViewCallback& callback) override;
 
     /**
      * Changes scroll direction of scrollview.

cocos/ui/UIScrollView.h

@@ -251,7 +251,7 @@ public:
      * Add call back function called scrollview event triggered
      */
     CC_DEPRECATED_ATTRIBUTE void addEventListenerScrollView(Ref* target, SEL_ScrollViewEvent selector);
-    void addEventListener(const ccScrollViewCallback& callback);
+    virtual void addEventListener(const ccScrollViewCallback& callback);
     
     //all of these functions are related to innerContainer.
     virtual void addChild(Node * child) override;

tests/cpp-tests/Classes/UITest/CocoStudioGUITest/UIListViewTest/UIListViewTest.cpp

@@ -66,6 +66,8 @@ bool UIListViewTest_Vertical::init()
                                     (widgetSize.height - backgroundSize.height) / 2.0f +
                                     (backgroundSize.height - listView->getSize().height) / 2.0f));
         listView->addEventListener(CC_CALLBACK_2(UIListViewTest_Vertical::selectedItemEvent, this));
+        listView->addEventListener(CC_CALLBACK_2(UIListViewTest_Vertical::selectedItemEventScrollView,this));
+        
         _uiLayer->addChild(listView);
         
         
@@ -187,6 +189,21 @@ void UIListViewTest_Vertical::selectedItemEvent(Ref *pSender, ListView::EventTyp
     }
 }
 
+void UIListViewTest_Vertical::selectedItemEventScrollView(Ref* pSender, ui::ScrollView::EventType type)
+{
+    switch (type) {
+        case ui::ScrollView::EventType::SCROLL_TO_BOTTOM:
+            CCLOG("SCROLL_TO_BOTTOM");
+            break;
+        case ui::ScrollView::EventType::SCROLL_TO_TOP:
+            CCLOG("SCROLL_TO_TOP");
+            break;
+        default:
+            break;
+    }
+}
+
+
 // UIListViewTest_Horizontal
 
 UIListViewTest_Horizontal::UIListViewTest_Horizontal()

tests/cpp-tests/Classes/UITest/CocoStudioGUITest/UIListViewTest/UIListViewTest.h

@@ -26,6 +26,7 @@
 #define __TestCpp__UIListViewTest__
 
 #include "../UIScene.h"
+#include "ui/UIScrollView.h"
 
 class UIListViewTest_Vertical : public UIScene
 {
@@ -34,6 +35,7 @@ public:
     ~UIListViewTest_Vertical();
     bool init();
     void selectedItemEvent(Ref* pSender, ListView::EventType type);
+    void selectedItemEventScrollView(Ref* pSender, ui::ScrollView::EventType type);
 
 protected:
     UI_SCENE_CREATE_FUNC(UIListViewTest_Vertical)
@@ -50,6 +52,7 @@ public:
     bool init();
     void selectedItemEvent(Ref* pSender, ListView::EventType type);
 
+    
 protected:
     UI_SCENE_CREATE_FUNC(UIListViewTest_Horizontal)
     Text* _displayValueLabel;