AngularJS timer with pause

timer.js

var Controller = function($timeout){
    var timer = 10000;
    $scope.remaining = timer / 1000;
    
    $scope.startTimer = function(){
        $scope.timeout = $timeout(function() {
            $scope.remaining--;
            $scope.remaining > 0 ? $scope.startTimer() : $scope.finished('Finished!');
        }, 1000);
    };
    
    $scope.stopTimer = function(){
        $timeout.cancel($scope.timeout);
    };
    
    $scope.startTimer();
    
    $scope.finished = function(msg){
        console.info(msg)
    }
}