${#!coffee
@themeStyle = ->
_labelHeight = (@rect.height-4)+'px'
_fontSize = Math.floor(@rect.height*0.5)+'px'
for [_key,_value] in [
['height',_labelHeight],
['lineHeight',_labelHeight],
['fontSize',_fontSize] ]
for _labelElem in ['progress_label','ack_button_label','button_label']
@setStyleOfPart(_labelElem,_key,_value)
_radius = Math.floor(@rect.height / 6)+'px'
for _bgElem in ['bg','ack_bg']
@setStyleOfPart(_bgElem,'borderRadius',_radius)
}