ScrollBar::ScrollBar(Toolkit::ScrollBar::Direction direction)
: Control( ControlBehaviour( REQUIRES_TOUCH_EVENTS | REQUIRES_STYLE_CHANGE_SIGNALS ) ),
+ mIndicatorShowAlpha(1.0f),
mDirection(direction),
mScrollableObject(WeakHandleBase()),
mPropertyScrollPosition(Property::INVALID_INDEX),
mIndicatorShowDuration(DEFAULT_INDICATOR_SHOW_DURATION),
mIndicatorHideDuration(DEFAULT_INDICATOR_HIDE_DURATION),
mScrollStart(0.0f),
- mIsPanning(false),
mCurrentScrollPosition(0.0f),
mIndicatorHeightPolicy(Toolkit::ScrollBar::Variable),
- mIndicatorFixedHeight(DEFAULT_INDICATOR_FIXED_HEIGHT)
+ mIndicatorFixedHeight(DEFAULT_INDICATOR_FIXED_HEIGHT),
+ mIsPanning(false),
+ mIndicatorFirstShow(true)
{
}
if( indicator )
{
mIndicator = indicator;
+ mIndicatorFirstShow = true;
Self().Add(mIndicator);
EnableGestureDetection(Gesture::Type(Gesture::Pan));
mAnimation.Reset();
}
+ if( mIndicatorFirstShow )
+ {
+ // Preserve the alpha value from the stylesheet
+ mIndicatorShowAlpha = Self().GetCurrentColor().a;
+ mIndicatorFirstShow = false;
+ }
+
if(mIndicatorShowDuration > 0.0f)
{
mAnimation = Animation::New( mIndicatorShowDuration );
- mAnimation.AnimateTo( Property( mIndicator, Actor::Property::COLOR_ALPHA ), 1.0f, AlphaFunction::EASE_IN );
+ mAnimation.AnimateTo( Property( mIndicator, Actor::Property::COLOR_ALPHA ), mIndicatorShowAlpha, AlphaFunction::EASE_IN );
mAnimation.Play();
}
else
{
- mIndicator.SetOpacity(1.0f);
+ mIndicator.SetOpacity(mIndicatorShowAlpha);
}
}
{
Property::Value value( Property::ARRAY );
Property::Array* array = value.GetArray();
- Dali::Vector<float> positions = scrollBarImpl.GetScrollPositionIntervals();
- size_t positionCount( array->Count() );
- for( size_t i( 0 ); i != positionCount; ++i )
+
+ if( array )
{
- array->PushBack( positions[i] );
+ Dali::Vector<float> positions = scrollBarImpl.GetScrollPositionIntervals();
+ size_t positionCount( array->Count() );
+ for( size_t i( 0 ); i != positionCount; ++i )
+ {
+ array->PushBack( positions[i] );
+ }
}
break;
}