+
+ // If the view is moved in a direction against the overshoot indicator, then the indicator should be animated off.
+ // First make sure we are not in an animation, otherwise a previously started
+ // off-animation will be overwritten as the user continues scrolling.
+ if( !mInAnimation )
+ {
+ // Check if the movement is against the current overshoot amount (if we are currently displaying the indicator).
+ if( ( ( mScrollOvershoot > Math::MACHINE_EPSILON_0 ) && ( mScrollDistance < -Math::MACHINE_EPSILON_0 ) ) ||
+ ( ( mScrollOvershoot < Math::MACHINE_EPSILON_0 ) && ( mScrollDistance > Math::MACHINE_EPSILON_0 ) ) )
+ {
+ // The user has moved against the indicator direction.
+ // First, we reset the total displacement. This means the overshoot amount will become zero the next frame,
+ // and if the user starts dragging in the overshoot direction again, the indicator will appear once more.
+ mTotalPanDisplacement = Vector2::ZERO;
+ // Animate the overshoot indicator off.
+ AnimateScrollOvershoot( 0.0f, false );
+ }
+ else
+ {
+ // Only set the property directly if we are not animating the overshoot away,
+ // as otherwise this will overwrite the animation generated value.
+ self.SetProperty( Toolkit::ItemView::Property::OVERSHOOT, mScrollOvershoot );
+ }
+ }