gistfile1.txt

element.on('$animate:start', onAnimateStart);
element.on('$animate:close', onAnimateClose);

function onAnimateStart(data) {
  element.off('$animate:start', onAnimateStart);
  //do stuff
}

function onAnimateClose(data) {
  element.off('$animate:close', onAnimateClose);
  //do stuff
}