Move the logic of constraint application from ItemView to the layout

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

diff --git a/base/dali-toolkit/internal/controls/scrollable/item-view/item-view-impl.h b/base/dali-toolkit/internal/controls/scrollable/item-view/item-view-impl.h
index 40a5955..164bd8c 100644 (file)
--- a/base/dali-toolkit/internal/controls/scrollable/item-view/item-view-impl.h
+++ b/base/dali-toolkit/internal/controls/scrollable/item-view/item-view-impl.h
@@ -28,7 +28,6 @@
 #include <dali-toolkit/public-api/controls/scrollable/scroll-connector.h>
 #include <dali-toolkit/internal/controls/scrollable/scrollable-impl.h>
 #include <dali-toolkit/public-api/focus-manager/keyboard-focus-manager.h>
-#include <dali-toolkit/public-api/shader-effects/bouncing-effect.h>
 
 namespace Dali
 {
@@ -245,6 +244,11 @@ public:
   void ScrollTo(const Vector3& position, float duration);
 
   /**
+   * @copydoc Toolkit::Internal::Scrollable::SetOvershootEffectColor
+   */
+  void SetOvershootEffectColor( const Vector4& color );
+
+  /**
    * @brief Set whether to enable automatic refresh or not. When refresh is disabled,
    * ItemView will not automatically refresh the cache in the given interval when the
    * layout position is changed. This is useful in some cases, for example, automatic
@@ -263,7 +267,6 @@ public:
    */
   void DoRefresh(float currentLayoutPosition, bool cacheExtra);
 
-
   /**
    * @copydoc Toolkit::ItemView::SetItemsParentOrigin
    */
@@ -284,6 +287,11 @@ public:
    */
   Vector3 GetItemsAnchorPoint() const;
 
+  /**
+   * @copydoc Toolkit::ItemView::GetItemsRange
+   */
+  void GetItemsRange(ItemRange& range);
+
 private:
 
   /**
@@ -320,6 +328,13 @@ private:
    */
   void SetupActor( Item item, float durationSeconds );
 
+  /**
+   * Remove the Actor from the ItemPool and notify the ItemFactory the actor has been released by ItemView.
+   * @param[in] item The ID for the item to be released.
+   * @param[in] actor The actor to be removed from ItemView.
+   */
+  void ReleaseActor( ItemId item, Actor actor );
+
 private: // From CustomActorImpl
 
   /**
@@ -386,15 +401,6 @@ private:
   ItemView& operator=(const ItemView& rhs);
 
   /**
-   * Helper to apply constraints to an actor.
-   * @param[in] actor The actor to constrain.
-   * @param[in] layout The active layout.
-   * @param[in] itemId The ID of the item represented by the actor.
-   * @param[in] durationSeconds The time taken to fully constrain the actors.
-   */
-  void ApplyConstraints(Actor& actor, ItemLayout& layout, unsigned int itemId, float durationSeconds);
-
-  /**
    * Helper to re-apply all the constraints after items have been inserted, removed etc.
    * @param[in] durationSeconds The time taken to fully constrain the actors.
    */
@@ -461,6 +467,12 @@ private:
   void OnScrollFinished(Animation& animation);
 
   /**
+   * Callback from layout activation scroll animations
+   * @param[in] animation The scroll-animation which has finished.
+   */
+  void OnLayoutActivationScrollFinished(Animation& animation);
+
+  /**
    * Called by animation system when overshoot has finished animating to maximum (either -1.0f or 1.0f)
    *
    * @param[in] animation the animation that has finished
@@ -526,6 +538,12 @@ private:
    */
   void OnRefreshNotification(PropertyNotification& source);
 
+  /**
+   * This is called when scroll position has been changed by ScrollConnector::SetScrollPosition.
+   * @param[in] position The new scroll position
+   */
+  void OnScrollPositionChanged( float position );
+
 private:
 
   ItemFactory& mItemFactory;
@@ -572,8 +590,7 @@ private:
 
   Dali::Gesture::State mGestureState;
 
-  ImageActor mOvershootOverlay;           ///< The overlay actor for overshoot effect
-  BouncingEffect mOvershootEffect; ///< The vertex/fragment shader used to display the overshoot ripple effect
+  Actor mOvershootOverlay;           ///< The overlay actor for overshoot effect
 
   Dali::Toolkit::ScrollConnector mScrollConnector; ///< Connects ItemView with scrollable components e.g. scroll bars
   Constrainable   mScrollPositionObject;     ///< From mScrollConnector