/*
- * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2015 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <dali-toolkit/public-api/controls/scrollable/item-view/item-layout.h>
// EXTERNAL INCLUDES
-#include <dali/public-api/animation/active-constraint.h>
+#include <dali/public-api/animation/animation.h>
#include <dali/public-api/animation/constraint.h>
#include <dali/public-api/animation/time-period.h>
// INTERNAL INCLUDES
#include <dali-toolkit/public-api/controls/scrollable/item-view/item-view.h>
-namespace
-{
-
- // Functors which wrap constraint functions with stored item IDs
- struct WrappedQuaternionConstraint
- {
- WrappedQuaternionConstraint(Dali::Toolkit::ItemLayout::QuaternionFunction wrapMe, unsigned int itemId)
- :mWrapMe(wrapMe),
- mItemId(itemId)
- {
- }
-
- Dali::Quaternion operator()(const Dali::Quaternion& current, const Dali::PropertyInput& layoutPosition, const Dali::PropertyInput& scrollSpeed, const Dali::PropertyInput& layoutSize)
- {
- float offsetLayoutPosition = layoutPosition.GetFloat() + static_cast<float>(mItemId);
-
- return mWrapMe(current, offsetLayoutPosition, scrollSpeed.GetFloat(), layoutSize.GetVector3());
- }
-
- Dali::Toolkit::ItemLayout::QuaternionFunction mWrapMe;
- unsigned int mItemId;
- };
-
- struct WrappedVector3Constraint
- {
- WrappedVector3Constraint(Dali::Toolkit::ItemLayout::Vector3Function wrapMe, unsigned int itemId)
- : mWrapMe(wrapMe),
- mItemId(itemId)
- {
- }
-
- Dali::Vector3 operator()(const Dali::Vector3& current, const Dali::PropertyInput& layoutPosition, const Dali::PropertyInput& scrollSpeed, const Dali::PropertyInput& layoutSize)
- {
- float offsetLayoutPosition = layoutPosition.GetFloat() + static_cast<float>(mItemId);
-
- return mWrapMe(current, offsetLayoutPosition, scrollSpeed.GetFloat(), layoutSize.GetVector3());
- }
-
- Dali::Toolkit::ItemLayout::Vector3Function mWrapMe;
- unsigned int mItemId;
- };
-
- struct WrappedVector4Constraint
- {
- WrappedVector4Constraint(Dali::Toolkit::ItemLayout::Vector4Function wrapMe, unsigned int itemId)
- : mWrapMe(wrapMe),
- mItemId(itemId)
- {
- }
-
- Dali::Vector4 operator()(const Dali::Vector4& current, const Dali::PropertyInput& layoutPosition, const Dali::PropertyInput& scrollSpeed, const Dali::PropertyInput& layoutSize)
- {
- float offsetLayoutPosition = layoutPosition.GetFloat() + static_cast<float>(mItemId);
-
- return mWrapMe(current, offsetLayoutPosition, scrollSpeed.GetFloat(), layoutSize.GetVector3());
- }
-
- Dali::Toolkit::ItemLayout::Vector4Function mWrapMe;
- unsigned int mItemId;
- };
-
- struct WrappedBoolConstraint
- {
- WrappedBoolConstraint(Dali::Toolkit::ItemLayout::BoolFunction wrapMe, unsigned int itemId)
- : mWrapMe(wrapMe),
- mItemId(itemId)
- {
- }
-
- bool operator()(const bool& current, const Dali::PropertyInput& layoutPosition, const Dali::PropertyInput& scrollSpeed, const Dali::PropertyInput& layoutSize)
- {
- float offsetLayoutPosition = layoutPosition.GetFloat() + static_cast<float>(mItemId);
-
- return mWrapMe(current, offsetLayoutPosition, scrollSpeed.GetFloat(), layoutSize.GetVector3());
- }
-
- Dali::Toolkit::ItemLayout::BoolFunction mWrapMe;
- unsigned int mItemId;
- };
-
-} //Unnamed namespace
-
namespace Dali
{
namespace Toolkit
{
+struct ItemLayout::Impl
+{
+ Vector3 mItemSize; ///< The size of an item in the layout
+ ControlOrientation::Type mOrientation; ///< the orientation of the layout.
+};
+
ItemLayout::ItemLayout()
-: mOrientation(ControlOrientation::Up),
- mAlphaFunction(Dali::Constraint::DEFAULT_ALPHA_FUNCTION)
+: mImpl( new Impl )
{
+ mImpl->mOrientation = ControlOrientation::Up;
}
ItemLayout::~ItemLayout()
{
+ delete mImpl;
}
void ItemLayout::SetOrientation(ControlOrientation::Type orientation)
{
- mOrientation = orientation;
+ mImpl->mOrientation = orientation;
}
ControlOrientation::Type ItemLayout::GetOrientation() const
{
- return mOrientation;
+ return mImpl->mOrientation;
+}
+
+void ItemLayout::GetItemSize( unsigned int itemId, const Vector3& layoutSize, Vector3& itemSize ) const
+{
+ // If item-size has not been set then get the default size
+ if ( mImpl->mItemSize == Vector3::ZERO )
+ {
+ GetDefaultItemSize( itemId, layoutSize, itemSize );
+ }
+ else
+ {
+ itemSize = mImpl->mItemSize;
+ }
+}
+
+void ItemLayout::SetItemSize( const Vector3& itemSize )
+{
+ mImpl->mItemSize = itemSize;
}
float ItemLayout::GetClosestOnScreenLayoutPosition(int itemID, float currentLayoutPosition, const Vector3& layoutSize)
return currentLayoutPosition;
}
-int ItemLayout::GetNextFocusItemID(int itemID, int maxItems, Dali::Toolkit::Control::KeyboardFocusNavigationDirection direction, bool loopEnabled)
+int ItemLayout::GetNextFocusItemID(int itemID, int maxItems, Dali::Toolkit::Control::KeyboardFocus::Direction direction, bool loopEnabled)
{
switch( direction )
{
- case Control::Left:
- case Control::Up:
+ case Control::KeyboardFocus::LEFT:
+ case Control::KeyboardFocus::UP:
{
itemID--;
if( itemID < 0 )
}
break;
}
- case Control::Right:
- case Control::Down:
+ case Control::KeyboardFocus::RIGHT:
+ case Control::KeyboardFocus::DOWN:
{
itemID++;
if( itemID >= maxItems )
return GetScrollSpeedFactor();
}
-void ItemLayout::ApplyConstraints( Actor& actor, const int itemId, const float durationSeconds, Handle scrollPositionObject, const Actor& itemViewActor )
-{
- // This just implements the default behaviour of constraint application.
- // Custom layouts can override this function to apply their custom constraints.
- Dali::Toolkit::ItemView itemView = Dali::Toolkit::ItemView::DownCast( itemViewActor );
- if(itemView && scrollPositionObject)
- {
- Property::Index scrollSpeedProperty = itemView.GetPropertyIndex("item-view-scroll-speed");
- Property::Index scrollPositionProperty = scrollPositionObject.GetPropertyIndex("scroll-position");
-
- ItemLayout::Vector3Function positionConstraint;
- if (GetPositionConstraint(itemId, positionConstraint))
- {
- WrappedVector3Constraint wrapped(positionConstraint, itemId);
- Constraint constraint = Constraint::New<Vector3>( Actor::Property::Position,
- Source( scrollPositionObject, scrollPositionProperty ),
- ParentSource( scrollSpeedProperty ),
- ParentSource( Actor::Property::Size ),
- wrapped );
- constraint.SetApplyTime(durationSeconds);
- constraint.SetAlphaFunction(mAlphaFunction);
- actor.ApplyConstraint(constraint);
- }
-
- ItemLayout::QuaternionFunction rotationConstraint;
- if (GetRotationConstraint(itemId, rotationConstraint))
- {
- WrappedQuaternionConstraint wrapped(rotationConstraint, itemId);
-
- Constraint constraint = Constraint::New<Quaternion>( Actor::Property::Rotation,
- Source( scrollPositionObject, scrollPositionProperty ),
- ParentSource( scrollSpeedProperty ),
- ParentSource( Actor::Property::Size ),
- wrapped );
- constraint.SetApplyTime(durationSeconds);
- constraint.SetAlphaFunction(mAlphaFunction);
-
- actor.ApplyConstraint(constraint);
- }
-
- ItemLayout::Vector3Function scaleConstraint;
- if (GetScaleConstraint(itemId, scaleConstraint))
- {
- WrappedVector3Constraint wrapped(scaleConstraint, itemId);
-
- Constraint constraint = Constraint::New<Vector3>( Actor::Property::Scale,
- Source( scrollPositionObject, scrollPositionProperty ),
- ParentSource( scrollSpeedProperty ),
- ParentSource( Actor::Property::Size ),
- wrapped );
- constraint.SetApplyTime(durationSeconds);
- constraint.SetAlphaFunction(mAlphaFunction);
-
- actor.ApplyConstraint(constraint);
- }
-
- ItemLayout::Vector4Function colorConstraint;
- if (GetColorConstraint(itemId, colorConstraint))
- {
- WrappedVector4Constraint wrapped(colorConstraint, itemId);
-
- Constraint constraint = Constraint::New<Vector4>( Actor::Property::Color,
- Source( scrollPositionObject, scrollPositionProperty ),
- ParentSource( scrollSpeedProperty ),
- ParentSource( Actor::Property::Size ),
- wrapped );
-
- constraint.SetApplyTime(durationSeconds);
- constraint.SetAlphaFunction(mAlphaFunction);
- constraint.SetRemoveAction(Dali::Constraint::Discard);
-
- actor.ApplyConstraint(constraint);
- }
-
- ItemLayout::BoolFunction visibilityConstraint;
- if (GetVisibilityConstraint(itemId, visibilityConstraint))
- {
- WrappedBoolConstraint wrapped(visibilityConstraint, itemId);
-
- Constraint constraint = Constraint::New<bool>( Actor::Property::Visible,
- Source( scrollPositionObject, scrollPositionProperty ),
- ParentSource( scrollSpeedProperty ),
- ParentSource( Actor::Property::Size ),
- wrapped );
-
- constraint.SetApplyTime(durationSeconds);
- constraint.SetAlphaFunction(mAlphaFunction);
-
- // Release visibility constraints the same time as the color constraint
- constraint.SetRemoveAction(Dali::Constraint::Discard);
-
- actor.ApplyConstraint(constraint);
- }
- }
-}
-
-Vector3 ItemLayout::GetItemPosition(int itemID, float currentLayoutPosition, const Vector3& layoutSize) const
-{
- Vector3 itemPosition = Vector3::ZERO;
-
- ItemLayout::Vector3Function positionConstraint;
- if (GetPositionConstraint(itemID, positionConstraint))
- {
- itemPosition = positionConstraint(Vector3::ZERO, currentLayoutPosition + itemID, 0.0f, layoutSize);
- }
-
- return itemPosition;
-}
-
-void ItemLayout::SetAlphaFunction(AlphaFunction func)
-{
- mAlphaFunction = func;
-}
-
-AlphaFunction ItemLayout::GetAlphaFunction() const
-{
- return mAlphaFunction;
-}
-
-
} // namespace Toolkit
} // namespace Dali
projects / platform / core / uifw / dali-toolkit.git / blobdiff