mIsPanning(false),
mIndicatorFirstShow(true)
{
+ DevelControl::SetAccessibilityConstructor( Self(), []( Dali::Actor actor ) {
+ return std::unique_ptr< Dali::Accessibility::Accessible >(
+ new AccessibleImpl( actor, Dali::Accessibility::Role::SCROLL_BAR ) );
+ } );
}
ScrollBar::~ScrollBar()
return handle;
}
+double ScrollBar::AccessibleImpl::GetMinimum()
+{
+ auto p = Toolkit::ScrollBar::DownCast( self );
+ Handle scrollableHandle = GetImpl( p ).mScrollableObject.GetHandle();
+ return scrollableHandle ? scrollableHandle.GetCurrentProperty< float >( GetImpl( p ).mPropertyMinScrollPosition ) : 0.0f;
+}
+
+double ScrollBar::AccessibleImpl::GetCurrent()
+{
+ auto p = Toolkit::ScrollBar::DownCast( self );
+ Handle scrollableHandle = GetImpl( p ).mScrollableObject.GetHandle();
+ return scrollableHandle ? scrollableHandle.GetCurrentProperty< float >( GetImpl( p ).mPropertyScrollPosition ) : 0.0f;
+}
+
+double ScrollBar::AccessibleImpl::GetMaximum()
+{
+ auto p = Toolkit::ScrollBar::DownCast( self );
+ Handle scrollableHandle = GetImpl( p ).mScrollableObject.GetHandle();
+ return scrollableHandle ? scrollableHandle.GetCurrentProperty< float >( GetImpl( p ).mPropertyMaxScrollPosition ) : 1.0f;
+}
+
+bool ScrollBar::AccessibleImpl::SetCurrent( double current )
+{
+ if( current < GetMinimum() || current > GetMaximum() )
+ return false;
+
+ auto value_before = GetCurrent();
+
+ auto p = Toolkit::ScrollBar::DownCast( self );
+ Handle scrollableHandle = GetImpl( p ).mScrollableObject.GetHandle();
+ if( !scrollableHandle )
+ return false;
+ scrollableHandle.SetProperty( GetImpl( p ).mPropertyScrollPosition, static_cast< float >( current ) );
+
+ auto value_after = GetCurrent();
+
+ if( ( current != value_before ) && ( value_before == value_after ) )
+ return false;
+
+ return true;
+}
+
+double ScrollBar::AccessibleImpl::GetMinimumIncrement() { return 1.0; }
+
} // namespace Internal
} // namespace Toolkit