Getting the Theme In Use

How to get the theme for each component, works on the active store:

Mage::getSingleton('core/design_package')->getTheme('locale');
Mage::getSingleton('core/design_package')->getTheme('template');
Mage::getSingleton('core/design_package')->getTheme('skin');
Mage::getSingleton('core/design_package')->getTheme('layout');
Mage::getSingleton('core/design_package')->getTheme('default');