+ /**
+ * Register the mix color uniform on the Renderer and store the property index.
+ * Note, this is not used by Color or Primitive Visuals, which will use their
+ * own property index.
+ */
+ void RegisterMixColor();
+
+ /**
+ * Find the matching property on the renderer or shader. If it's a shader
+ * property, register it on the renderer in order to animate it for this
+ * visual independently.
+ * @param[in] key The key to match.
+ * @return the matching index, or INVALID_INDEX if it's not found
+ */
+ Property::Index GetPropertyIndex( Property::Key key );
+
+ /**
+ * Set up the transition. If no animation is required, then
+ * transition will be untouched.
+ *
+ * @param[in] transition The transition to use or set up.
+ * @param[in] animator The animation data to use
+ * @param[in] index The property index on the renderer to animate
+ */
+ void SetupTransition( Dali::Animation& transition,
+ Internal::TransitionData::Animator& animator,
+ Property::Index index );
+
+ /**
+ * When a mix color animation has finished, ensure the blend mode is set back
+ * to the right value for the target opacity.
+ */
+ void OnMixColorFinished( Animation& animation );
+