Preserve the ScrollBar alpha value from the stylesheet

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / controls / scroll-bar / scroll-bar-impl.h

diff --git a/dali-toolkit/internal/controls/scroll-bar/scroll-bar-impl.h b/dali-toolkit/internal/controls/scroll-bar/scroll-bar-impl.h
index f5321a4..1f9691d 100755 (executable)
--- a/dali-toolkit/internal/controls/scroll-bar/scroll-bar-impl.h
+++ b/dali-toolkit/internal/controls/scroll-bar/scroll-bar-impl.h
@@ -25,6 +25,7 @@
 #include <dali/public-api/animation/animation.h>
 #include <dali/public-api/common/dali-vector.h>
 #include <dali/public-api/object/property-notification.h>
+#include <dali/devel-api/object/weak-handle.h>
 
 // INTERNAL INCLUDES
 #include <dali-toolkit/public-api/controls/control-impl.h>
@@ -201,6 +202,11 @@ private: // from Control
   virtual void OnInitialize();
 
   /**
+   * @copydoc Toolkit::Control::OnPan
+   */
+  virtual void OnPan( const PanGesture& gesture );
+
+  /**
    * @copydoc CustomActorImpl::OnSizeSet( const Vector3& size )
    */
   virtual void OnSizeSet( const Vector3& size );
@@ -243,14 +249,6 @@ private:
    */
   void OnIndicatorHeightPolicyPropertySet(Property::Value propertyValue);
 
-  /**
-   * Pan gesture callback
-   *
-   * @param[in] actor The actor the event is raised for
-   * @param[in] gesture The pan event info
-   */
-  void OnPan(Actor source, const PanGesture& gesture);
-
 private:
 
   /**
@@ -267,11 +265,12 @@ private:
 private:
 
   Actor mIndicator;                                                  ///< Image of scroll indicator.
+  float mIndicatorShowAlpha;                                         ///< The alpha value when the indicator is fully shown
   Animation mAnimation;                                              ///< Scroll indicator Show/Hide Animation.
 
   Toolkit::ScrollBar::Direction mDirection;                          ///< The direction of scroll bar (vertical or horizontal)
 
-  Handle mScrollableObject;                                          ///< Object to be scrolled
+  WeakHandleBase mScrollableObject;                                      ///< Object to be scrolled
 
   Property::Index mPropertyScrollPosition;                           ///< Index of scroll position property owned by the object to be scrolled
   Property::Index mPropertyMinScrollPosition;                        ///< Index of minimum scroll position property owned by the object to be scrolled
@@ -284,14 +283,11 @@ private:
   float mScrollStart;                                                ///< Scroll Start position (start of drag)
   Vector3 mGestureDisplacement;                                      ///< Gesture Displacement.
 
-  bool mIsPanning;                                                  ///< Whether the scroll bar is being panned.
   float mCurrentScrollPosition;                                     ///< The current scroll position updated by the pan gesture
 
   Toolkit::ScrollBar::IndicatorHeightPolicy mIndicatorHeightPolicy;  ///< The height policy of scroll indicator (variable or fixed)
   float mIndicatorFixedHeight;                                      ///< The fixed height of scroll indicator
 
-  PanGestureDetector mPanGestureDetector;                            ///< The pan gesture detector for scroll indicator
-
   Timer mContractDelayTimer;                                         ///< Timer guarantee contract delay time.
   Timer mPanProcessTimer;                                            ///< The timer to process the pan gesture after the gesture is started.
 
@@ -304,6 +300,9 @@ private:
   Constraint mIndicatorPositionConstraint;
   Constraint mIndicatorSizeConstraint;
   Constraint mScrollPositionInCurrentAxisConstraint;
+
+  bool mIsPanning          : 1;                                      ///< Whether the scroll bar is being panned.
+  bool mIndicatorFirstShow : 1;                                      ///< True if the indicator has never been shown
 };
 
 } // namespace Internal