code: public TwoColors getTexturedButtonBorderColors(CommonControlState type) {
          switch (type) {
  
          case DISABLED:
              return texturedButtonBorderDisabled;
  
          case DISABLED_SELECTED:
              return texturedButtonBorderDisabledSelected;
  
          case ENABLED:
              return texturedButtonBorderEnabled;
  
          case PRESSED:
              return texturedButtonBorderPressed;
  
          case DEFAULT:
              return texturedButtonBorderDefault;
  
          case SELECTED:
              return texturedButtonBorderSelected;
  
          case DEFAULT_PRESSED:
              return texturedButtonBorderDefaultPressed;
  
          case PRESSED_SELECTED:
              return texturedButtonBorderPressedSelected;
          }
  
          return null;
      }
docs: Get the colors for the border.
  
  @param  type the button type. Derived from state.
  
  @return a two-tuple of colors for top and bottom gradient.