#include <dali-toolkit/internal/controls/scrollable/scroll-view/scroll-view-page-carousel-effect-impl.h>
// EXTERNAL INCLUDES
-#include <boost/bind.hpp>
-#include <dali/public-api/animation/active-constraint.h>
#include <dali/public-api/animation/constraint.h>
#include <dali/public-api/object/property-input.h>
}
/**
- * @param[in] current The current color of this Actor
- * @param[in] pagePositionProperty The page's position.
- * @param[in] scrollPositionProperty The scroll-view's position property (SCROLL_POSITION_PROPERTY_NAME)
- * @param[in] scrollPositionMin The minimum extent of this scroll domain. (SCROLL_POSITION_MIN_PROPERTY_NAME)
- * @param[in] scrollPositionMax The maximum extent of this scroll domain. (SCROLL_POSITION_MIN_PROPERTY_NAME)
- * @param[in] pageSizeProperty The size of the page. (scrollView SIZE)
- * @param[in] scrollWrap Whether scroll wrap has been enabled or not (SCROLL_WRAP_PROPERTY_NAME)
+ * @param[in,out] current The current color of this Actor
+ * @param[in] inputs Contains:
+ * The page's position.
+ * The scroll-view's position property (SCROLL_POSITION)
+ * The minimum extent of this scroll domain. (SCROLL_POSITION_MIN)
+ * The maximum extent of this scroll domain. (SCROLL_POSITION_MIN)
+ * The size of the page. (scrollView SIZE)
+ * Whether scroll wrap has been enabled or not (SCROLL_WRAP)
* @return The new color of this Actor.
*/
- Vector4 ColorConstraint(const Vector4& current,
- const PropertyInput& pagePositionProperty,
- const PropertyInput& scrollPositionProperty,
- const PropertyInput& scrollPositionMin,
- const PropertyInput& scrollPositionMax,
- const PropertyInput& pageSizeProperty,
- const PropertyInput& scrollWrap)
+ void ColorConstraint( Vector4& current, const PropertyInputContainer& inputs )
{
- const Vector3& pagePosition = pagePositionProperty.GetVector3();
- const Vector3& scrollPosition = scrollPositionProperty.GetVector3();
+ const Vector3& pagePosition = inputs[0]->GetVector3();
+ const Vector3& scrollPosition = inputs[1]->GetVector3();
// Get position of page.
Vector3 position = pagePosition + scrollPosition;
// short circuit: if we're looking straight on at the page.
if( IsStraightOnView( position ) )
{
- return current;
+ return;
}
- const Vector3& pageSize = pageSizeProperty.GetVector3();
+ const Vector3& pageSize = inputs[4]->GetVector3();
- if( scrollWrap.GetBoolean() )
+ if( inputs[5]->GetBoolean() )
{
- WrapPositionWithinDomain( position, pageSize, scrollPositionMin.GetVector3(), scrollPositionMax.GetVector3() );
+ WrapPositionWithinDomain( position, pageSize, inputs[2]->GetVector3(), inputs[3]->GetVector3() );
}
// short circuit: for pages outside of view.
{
// note preserve color channels incase there is a shader/further constraint
// that wishes to do something with that information.
- return Vector4(current.r, current.g, current.b, 0.0f);
+ current.a = 0.0f;
+ return;
}
- Vector4 color( current );
Vector2 distance( position / pageSize * PAGE_SIZE_MULTIPLIER );
- color.a = Clamp( 1.0f - distance.Length(), 0.0f, 1.0f );
-
- return color;
+ current.a = Clamp( 1.0f - distance.Length(), 0.0f, 1.0f );
}
/**
- * @param[in] current The current position
- * @param[in] pagePositionProperty The page's position.
- * @param[in] scrollPositionProperty The scroll-view's position property (SCROLL_POSITION_PROPERTY_NAME)
- * @param[in] scrollPositionMin The minimum extent of this scroll domain. (SCROLL_POSITION_MIN_PROPERTY_NAME)
- * @param[in] scrollPositionMax The maximum extent of this scroll domain. (SCROLL_POSITION_MIN_PROPERTY_NAME)
- * @param[in] pageSizeProperty The size of the page. (scrollView SIZE)
- * @param[in] scrollWrap Whether scroll wrap has been enabled or not (SCROLL_WRAP_PROPERTY_NAME)
+ * @param[in,out] current The current position
+ * @param[in] inputs Contains:
+ * The page's position.
+ * The scroll-view's position property (SCROLL_POSITION)
+ * The minimum extent of this scroll domain. (SCROLL_POSITION_MIN)
+ * The maximum extent of this scroll domain. (SCROLL_POSITION_MIN)
+ * The size of the page. (scrollView SIZE)
+ * Whether scroll wrap has been enabled or not (SCROLL_WRAP)
* @return The new position of this Actor.
*/
- Vector3 PositionConstraint(const Vector3& current,
- const PropertyInput& pagePositionProperty,
- const PropertyInput& scrollPositionProperty,
- const PropertyInput& scrollPositionMin,
- const PropertyInput& scrollPositionMax,
- const PropertyInput& pageSizeProperty,
- const PropertyInput& scrollWrap)
+ void PositionConstraint( Vector3& current, const PropertyInputContainer& inputs )
{
- const Vector3& pagePosition = pagePositionProperty.GetVector3();
- const Vector3& scrollPosition = scrollPositionProperty.GetVector3();
+ const Vector3& pagePosition = inputs[0]->GetVector3();
+ const Vector3& scrollPosition = inputs[1]->GetVector3();
// Get position of page.
Vector3 position = pagePosition + scrollPosition;
// short circuit: if we're looking straight on at the page.
if( IsStraightOnView( position ) )
{
- return current + scrollPosition;
+ current += scrollPosition;
+ return;
}
- const Vector3& pageSize = pageSizeProperty.GetVector3();
+ const Vector3& pageSize = inputs[4]->GetVector3();
- if( scrollWrap.GetBoolean() )
+ if( inputs[5]->GetBoolean() )
{
- WrapPositionWithinDomain( position, pageSize, scrollPositionMin.GetVector3(), scrollPositionMax.GetVector3() );
+ WrapPositionWithinDomain( position, pageSize, inputs[2]->GetVector3(), inputs[3]->GetVector3() );
}
// short circuit: for pages outside of view.
{
// position actors at: scrollposition (Property) + pagePosition (Parent) + current (this)
// they will be invisible so doesn't have to be precise, just away from stage.
- return current + scrollPosition;
+ current += scrollPosition;
+ return;
}
Vector3 angle( position / pageSize * PAGE_SIZE_MULTIPLIER );
zMovement *= mPositionToPageSizeRatio;
position.z = - ( ( zMovement.x - ( zMovement.x * cos( angle.x ) ) ) + ( zMovement.y - ( zMovement.y * cos( angle.y ) ) ) );
- return position;
+ current = position;
}
const Vector2 mPositionToPageSizeRatio; ///< The page will move its position according to this ratio.
{
// Apply constraints to this actor //
Constraint constraint;
- constraint = Constraint::New<Vector4>( Actor::COLOR,
- LocalSource(Actor::POSITION),
- Source(scrollView, scrollView.GetPropertyIndex( Toolkit::ScrollView::SCROLL_FINAL_PROPERTY_NAME ) ),
- Source(scrollView, scrollView.GetPropertyIndex( Toolkit::ScrollView::SCROLL_POSITION_MIN_PROPERTY_NAME ) ),
- Source(scrollView, scrollView.GetPropertyIndex( Toolkit::ScrollView::SCROLL_POSITION_MAX_PROPERTY_NAME ) ),
- Source(scrollView, Actor::SIZE ),
- Source(scrollView, scrollView.GetPropertyIndex( Toolkit::ScrollView::SCROLL_WRAP_PROPERTY_NAME ) ),
- boost::bind( &ScrollPageCarouselEffectInfo::ColorConstraint, info, _1, _2, _3, _4, _5, _6, _7) );
-
+ constraint = Constraint::New<Vector4>( child, Actor::Property::COLOR, info, &ScrollPageCarouselEffectInfo::ColorConstraint );
+ constraint.AddSource( LocalSource(Actor::Property::POSITION) );
+ constraint.AddSource( Source(scrollView, Toolkit::ScrollView::Property::SCROLL_FINAL ) );
+ constraint.AddSource( Source(scrollView, Toolkit::Scrollable::Property::SCROLL_POSITION_MIN ) );
+ constraint.AddSource( Source(scrollView, Toolkit::Scrollable::Property::SCROLL_POSITION_MAX ) );
+ constraint.AddSource( Source(scrollView, Actor::Property::SIZE ) );
+ constraint.AddSource( Source(scrollView, Toolkit::ScrollView::Property::WRAP ) );
constraint.SetRemoveAction( Constraint::Discard );
- child.ApplyConstraint( constraint );
-
- constraint = Constraint::New<Vector3>( Actor::POSITION,
- LocalSource(Actor::POSITION),
- Source(scrollView, scrollView.GetPropertyIndex( Toolkit::ScrollView::SCROLL_FINAL_PROPERTY_NAME ) ),
- Source(scrollView, scrollView.GetPropertyIndex( Toolkit::ScrollView::SCROLL_POSITION_MIN_PROPERTY_NAME ) ),
- Source(scrollView, scrollView.GetPropertyIndex( Toolkit::ScrollView::SCROLL_POSITION_MAX_PROPERTY_NAME ) ),
- Source(scrollView, Actor::SIZE ),
- Source(scrollView, scrollView.GetPropertyIndex( Toolkit::ScrollView::SCROLL_WRAP_PROPERTY_NAME ) ),
- boost::bind( &ScrollPageCarouselEffectInfo::PositionConstraint, info, _1, _2, _3, _4, _5, _6, _7) );
-
+ constraint.Apply();
+
+ constraint = Constraint::New<Vector3>( child, Actor::Property::POSITION, info, &ScrollPageCarouselEffectInfo::PositionConstraint );
+ constraint.AddSource( LocalSource(Actor::Property::POSITION) );
+ constraint.AddSource( Source(scrollView, Toolkit::ScrollView::Property::SCROLL_FINAL ) );
+ constraint.AddSource( Source(scrollView, Toolkit::Scrollable::Property::SCROLL_POSITION_MIN ) );
+ constraint.AddSource( Source(scrollView, Toolkit::Scrollable::Property::SCROLL_POSITION_MAX ) );
+ constraint.AddSource( Source(scrollView, Actor::Property::SIZE ) );
+ constraint.AddSource( Source(scrollView, Toolkit::ScrollView::Property::WRAP ) );
constraint.SetRemoveAction( Constraint::Discard );
- child.ApplyConstraint( constraint );
+ constraint.Apply();
}
} // unnamed namespace