geocode.js

var timers = {};

var createGeocodeChangeWhateverFunction = function(timername, $scope) {
	var timer = timers[timername];
	return function($event) {
		if (timer != null) {
			clearTimeout(timer);
		}	
		timers[timername] = timer = setTimeout(function() {
			timer = null;
			if ($scope.shop.latitude && $scope.shop.longitude) {
				$scope.$broadcast('positionChange', $scope.shop.latitude, $scope.shop.longitude);
			}
		}, 1500);
		
	};
}




// from within any controller:

$scope.geoCode = createGeocodeChangeWhateverFunction('positionChange', $scope);