Optimized size negotiation

[platform/core/uifw/dali-toolkit.git] / base / dali-toolkit / internal / controls / scrollable / scrollable-impl.cpp

diff --git a/base/dali-toolkit/internal/controls/scrollable/scrollable-impl.cpp b/base/dali-toolkit/internal/controls/scrollable/scrollable-impl.cpp
index 71e8be8..7b83883 100644 (file)
--- a/base/dali-toolkit/internal/controls/scrollable/scrollable-impl.cpp
+++ b/base/dali-toolkit/internal/controls/scrollable/scrollable-impl.cpp
@@ -61,8 +61,10 @@ const Vector4     Scrollable::DEFAULT_OVERSHOOT_COLOUR(0.0f, 0.64f, 0.85f, 0.6f)
 // Scrollable
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
+// Scrollable controls are not layout containers so they dont need size negotiation..
+// we dont want size negotiation while scrolling if we can avoid it
 Scrollable::Scrollable()
-: Control( ControlBehaviour( REQUIRES_TOUCH_EVENTS | REQUIRES_STYLE_CHANGE_SIGNALS ) ),
+: Control( ControlBehaviour( REQUIRES_TOUCH_EVENTS | REQUIRES_STYLE_CHANGE_SIGNALS | NO_SIZE_NEGOTIATION ) ),
   mPropertyRelativePosition(Property::INVALID_INDEX),
   mPropertyPositionMin(Property::INVALID_INDEX),
   mPropertyPositionMax(Property::INVALID_INDEX),