/**
* @param {ButtonModel} buttonModel
* @constructor
*/
function MomentaryButtonInteractionStateProperty( buttonModel ) {
DerivedProperty.call(
this,
[ buttonModel.overProperty, buttonModel.downProperty, buttonModel.enabledProperty ],
function( over, down, enabled ) {
return !enabled ? 'disabled' :
over && !down ? 'over' :
down ? 'pressed' : // remain pressed regardless of whether 'over' is true
'idle';
} );
}
/**
* @param {ButtonModel} buttonModel
* @constructor
*/
function ToggleButtonInteractionStateProperty( buttonModel ) {
DerivedProperty.call(
this,
[ buttonModel.overProperty, buttonModel.downProperty, buttonModel.enabledProperty ],
function( over, down, enabled ) {
return !enabled ? 'disabled' :
over && !(down ) ? 'over' :
down ? 'pressed' :
'idle';
}
);
}