+BaseHandle Create()
+{
+ return Toolkit::ScrollView::New();
+}
+
+// Setup properties, signals and actions using the type-registry.
+DALI_TYPE_REGISTRATION_BEGIN( Toolkit::ScrollView, Toolkit::Scrollable, Create )
+
+DALI_ANIMATABLE_PROPERTY_REGISTRATION( Toolkit, ScrollView, "scrollPosition", VECTOR2, SCROLL_POSITION)
+DALI_ANIMATABLE_PROPERTY_REGISTRATION( Toolkit, ScrollView, "scrollPrePosition", VECTOR2, SCROLL_PRE_POSITION)
+DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION( Toolkit, ScrollView, "scrollPrePositionX", SCROLL_PRE_POSITION_X, SCROLL_PRE_POSITION, 0)
+DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION( Toolkit, ScrollView, "scrollPrePositionY", SCROLL_PRE_POSITION_Y, SCROLL_PRE_POSITION, 1)
+DALI_ANIMATABLE_PROPERTY_REGISTRATION( Toolkit, ScrollView, "scrollPrePositionMax", VECTOR2, SCROLL_PRE_POSITION_MAX)
+DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION( Toolkit, ScrollView, "scrollPrePositionMaxX", SCROLL_PRE_POSITION_MAX_X, SCROLL_PRE_POSITION_MAX, 0)
+DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION( Toolkit, ScrollView, "scrollPrePositionMaxY", SCROLL_PRE_POSITION_MAX_Y, SCROLL_PRE_POSITION_MAX, 1)
+DALI_ANIMATABLE_PROPERTY_REGISTRATION( Toolkit, ScrollView, "overshootX", FLOAT, OVERSHOOT_X)
+DALI_ANIMATABLE_PROPERTY_REGISTRATION( Toolkit, ScrollView, "overshootY", FLOAT, OVERSHOOT_Y)
+DALI_ANIMATABLE_PROPERTY_REGISTRATION( Toolkit, ScrollView, "scrollFinal", VECTOR2, SCROLL_FINAL)
+DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION( Toolkit, ScrollView, "scrollFinalX", SCROLL_FINAL_X, SCROLL_FINAL,0)
+DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION( Toolkit, ScrollView, "scrollFinalY", SCROLL_FINAL_Y, SCROLL_FINAL,1)
+DALI_ANIMATABLE_PROPERTY_REGISTRATION( Toolkit, ScrollView, "wrap", BOOLEAN, WRAP)
+DALI_ANIMATABLE_PROPERTY_REGISTRATION( Toolkit, ScrollView, "panning", BOOLEAN, PANNING)
+DALI_ANIMATABLE_PROPERTY_REGISTRATION( Toolkit, ScrollView, "scrolling", BOOLEAN, SCROLLING)
+DALI_ANIMATABLE_PROPERTY_REGISTRATION( Toolkit, ScrollView, "scrollDomainSize", VECTOR2, SCROLL_DOMAIN_SIZE)
+DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION( Toolkit, ScrollView, "scrollDomainSizeX", SCROLL_DOMAIN_SIZE_X, SCROLL_DOMAIN_SIZE, 0)
+DALI_ANIMATABLE_PROPERTY_COMPONENT_REGISTRATION( Toolkit, ScrollView, "scrollDomainSizeY", SCROLL_DOMAIN_SIZE_Y, SCROLL_DOMAIN_SIZE, 1)
+DALI_ANIMATABLE_PROPERTY_REGISTRATION( Toolkit, ScrollView, "scrollDomainOffset", VECTOR2, SCROLL_DOMAIN_OFFSET)
+DALI_ANIMATABLE_PROPERTY_REGISTRATION( Toolkit, ScrollView, "scrollPositionDelta", VECTOR2, SCROLL_POSITION_DELTA)
+DALI_ANIMATABLE_PROPERTY_REGISTRATION( Toolkit, ScrollView, "startPagePosition", VECTOR3, START_PAGE_POSITION)
+
+DALI_SIGNAL_REGISTRATION( Toolkit, ScrollView, "valueChanged", SIGNAL_SNAP_STARTED )
+
+DALI_TYPE_REGISTRATION_END()
+
+/**
+ * Returns whether to lock scrolling to a particular axis
+ *
+ * @param[in] panDelta Distance panned since gesture started
+ * @param[in] currentLockAxis The current lock axis value
+ * @param[in] lockGradient How quickly to lock to a particular axis
+ *
+ * @return The new axis lock state
+ */
+ScrollView::LockAxis GetLockAxis(const Vector2& panDelta, ScrollView::LockAxis currentLockAxis, float lockGradient)
+{
+ if(panDelta.LengthSquared() > AUTOLOCK_AXIS_MINIMUM_DISTANCE2 &&
+ currentLockAxis == ScrollView::LockPossible)
+ {
+ float dx = fabsf(panDelta.x);
+ float dy = fabsf(panDelta.y);
+ if(dx * lockGradient >= dy)
+ {
+ // 0.36:1 gradient to the horizontal (deviate < 20 degrees)
+ currentLockAxis = ScrollView::LockVertical;
+ }
+ else if(dy * lockGradient > dx)
+ {
+ // 0.36:1 gradient to the vertical (deviate < 20 degrees)
+ currentLockAxis = ScrollView::LockHorizontal;
+ }
+ else
+ {
+ currentLockAxis = ScrollView::LockNone;
+ }
+ }
+ return currentLockAxis;
+}
+