Patch to synchronize with bug fixes done in Tizen 2.4 MCD branch.
[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / controls / scrollable / item-view / item-view-impl.cpp
index 2f13c17..c8bb12f 100644 (file)
@@ -26,7 +26,7 @@
 #include <dali/devel-api/common/set-wrapper.h>
 #include <dali/public-api/common/stage.h>
 #include <dali/public-api/events/wheel-event.h>
-#include <dali/public-api/events/touch-event.h>
+#include <dali/public-api/events/touch-data.h>
 #include <dali/public-api/object/type-registry.h>
 #include <dali/public-api/object/type-registry-helper.h>
 
@@ -262,6 +262,9 @@ DALI_SIGNAL_REGISTRATION(              Toolkit, ItemView, "layoutActivated",
 
 DALI_ACTION_REGISTRATION(              Toolkit, ItemView, "stopScrolling",       ACTION_STOP_SCROLLING   )
 
+DALI_ACTION_REGISTRATION(              Toolkit, ItemView, "enableRefresh",       ACTION_ENABLE_REFRESH   )
+DALI_ACTION_REGISTRATION(              Toolkit, ItemView, "disableRefresh",      ACTION_DISABLE_REFRESH  )
+
 DALI_TYPE_REGISTRATION_END()
 
 bool FindById( const ItemContainer& items, ItemId id )
@@ -317,6 +320,7 @@ ItemView::ItemView(ItemFactory& factory)
   mIsFlicking(false),
   mAddingItems(false),
   mRefreshEnabled(true),
+  mRefreshNotificationEnabled(true),
   mInAnimation(false)
 {
 }
@@ -328,6 +332,7 @@ void ItemView::OnInitialize()
   Vector2 stageSize = Stage::GetCurrent().GetSize();
   mWheelScrollDistanceStep = stageSize.y * DEFAULT_WHEEL_SCROLL_DISTANCE_STEP_PROPORTION;
 
+  self.TouchSignal().Connect( this, &ItemView::OnTouch );
   EnableGestureDetection(Gesture::Type(Gesture::Pan));
 
   mWheelEventFinishedTimer = Timer::New( WHEEL_EVENT_FINISHED_TIME_OUT );
@@ -473,14 +478,17 @@ void ItemView::DeactivateCurrentLayout()
 
 void ItemView::OnRefreshNotification(PropertyNotification& source)
 {
-  // Cancel scroll animation to prevent any fighting of setting the scroll position property by scroll bar during fast scroll.
-  if(!mRefreshEnabled && mScrollAnimation)
+  if( mRefreshNotificationEnabled )
   {
-    RemoveAnimation(mScrollAnimation);
-  }
+    // Cancel scroll animation to prevent any fighting of setting the scroll position property by scroll bar during fast scroll.
+    if(!mRefreshEnabled && mScrollAnimation)
+    {
+      RemoveAnimation(mScrollAnimation);
+    }
 
-  // Only cache extra items when it is not a fast scroll
-  DoRefresh(GetCurrentLayoutPosition(0), mRefreshEnabled || mScrollAnimation);
+    // Only cache extra items when it is not a fast scroll
+    DoRefresh(GetCurrentLayoutPosition(0), mRefreshEnabled || mScrollAnimation);
+  }
 }
 
 void ItemView::Refresh()
@@ -980,37 +988,6 @@ void ItemView::OnChildAdd(Actor& child)
   }
 }
 
-bool ItemView::OnTouchEvent(const TouchEvent& event)
-{
-  // Ignore events with multiple-touch points
-  if (event.GetPointCount() != 1)
-  {
-    return false;
-  }
-
-  if (event.GetPoint(0).state == TouchPoint::Down)
-  {
-    // Cancel ongoing scrolling etc.
-    mGestureState = Gesture::Clear;
-
-    mScrollDistance = 0.0f;
-    mScrollSpeed = 0.0f;
-    Self().SetProperty(Toolkit::ItemView::Property::SCROLL_SPEED, mScrollSpeed);
-
-    mScrollOvershoot = 0.0f;
-    AnimateScrollOvershoot(0.0f);
-
-    if(mScrollAnimation)
-    {
-      mScrollCompletedSignal.Emit(GetCurrentScrollPosition());
-    }
-
-    RemoveAnimation(mScrollAnimation);
-  }
-
-  return true; // consume since we're potentially scrolling
-}
-
 bool ItemView::OnWheelEvent(const WheelEvent& event)
 {
   // Respond the wheel event to scroll
@@ -1103,6 +1080,37 @@ float ItemView::ClampFirstItemPosition( float targetPosition, const Vector3& tar
   return clamppedPosition;
 }
 
+bool ItemView::OnTouch( Actor actor, const TouchData& touch )
+{
+  // Ignore events with multiple-touch points
+  if (touch.GetPointCount() != 1)
+  {
+    return false;
+  }
+
+  if ( touch.GetState( 0 ) == PointState::DOWN )
+  {
+    // Cancel ongoing scrolling etc.
+    mGestureState = Gesture::Clear;
+
+    mScrollDistance = 0.0f;
+    mScrollSpeed = 0.0f;
+    Self().SetProperty(Toolkit::ItemView::Property::SCROLL_SPEED, mScrollSpeed);
+
+    mScrollOvershoot = 0.0f;
+    AnimateScrollOvershoot(0.0f);
+
+    if(mScrollAnimation)
+    {
+      mScrollCompletedSignal.Emit(GetCurrentScrollPosition());
+    }
+
+    RemoveAnimation(mScrollAnimation);
+  }
+
+  return true; // consume since we're potentially scrolling
+}
+
 void ItemView::OnPan( const PanGesture& gesture )
 {
   Actor self = Self();
@@ -1440,16 +1448,6 @@ void ItemView::CalculateDomainSize(const Vector3& layoutSize)
   }
 }
 
-Vector2 ItemView::GetDomainSize() const
-{
-  Actor self = Self();
-
-  float minScrollPosition = self.GetProperty<float>(Toolkit::Scrollable::Property::SCROLL_POSITION_MIN_Y);
-  float maxScrollPosition = self.GetProperty<float>(Toolkit::Scrollable::Property::SCROLL_POSITION_MAX_Y);
-
-  return Vector2(0.0f, fabs(GetScrollPosition(minScrollPosition, self.GetCurrentSize()) - GetScrollPosition(-maxScrollPosition, self.GetCurrentSize())));
-}
-
 bool ItemView::IsLayoutScrollable(const Vector3& layoutSize)
 {
   Actor self = Self();
@@ -1792,6 +1790,14 @@ bool ItemView::DoAction( BaseObject* object, const std::string& actionName, cons
   {
     GetImpl( itemView ).DoStopScrolling();
   }
+  else if ( 0 == strcmp( actionName.c_str(), ACTION_ENABLE_REFRESH ) )
+  {
+    GetImpl( itemView ).SetRefreshNotificationEnabled( true );
+  }
+  else if ( 0 == strcmp( actionName.c_str(), ACTION_DISABLE_REFRESH ) )
+  {
+    GetImpl( itemView ).SetRefreshNotificationEnabled( false );
+  }
 
   return true;
 }
@@ -1805,6 +1811,11 @@ void ItemView::DoStopScrolling()
   }
 }
 
+void ItemView::SetRefreshNotificationEnabled( bool enabled )
+{
+  mRefreshNotificationEnabled = enabled;
+}
+
 } // namespace Internal
 
 } // namespace Toolkit