Fixes #17

added idle.setTimeout() and idle.setIdle() to change options dynamically

src/angular-idle.js

@@ -89,7 +89,7 @@
      *  Sets the number of seconds a user can be idle before they are considered timed out.
      *  @param {Number|Boolean} seconds A positive number representing seconds OR 0 or false to disable this feature.
      */
-    this.timeout = function(seconds) {
+    var setTimeout = this.timeout = function(seconds) {
       if (seconds === false) options.timeout = 0;
       else if (angular.isNumber(seconds) && seconds >= 0) options.timeout = seconds;
       else throw new Error('Timeout must be zero or false to disable the feature, or a positive integer (in seconds) to enable it.');
@@ -99,8 +99,8 @@
       options.interrupt = events;
     };
 
-    this.idle = function(seconds) {
-      if (seconds <= 0) throw new Error("Idle must be a value in seconds, greater than 0.");
+    var setIdle = this.idle = function(seconds) {
+      if (seconds <= 0) throw new Error('Idle must be a value in seconds, greater than 0.');
 
       options.idle = seconds;
     };
@@ -180,13 +180,27 @@
         $rootScope.$broadcast('$idleTimeout');
       }
 
+      function changeOption(self, fn, value) {
+        var reset = self.running();
+
+        self.unwatch();
+        fn(value);
+        if (reset) self.watch();
+      }
+
       var svc = {
         _options: function() {
           return options;
         },
         _getNow: function() {
           return new Date();
         },
+        setIdle: function(seconds) {
+          changeOption(this, setIdle, seconds);
+        },
+        setTimeout: function(seconds) {
+          changeOption(this, setTimeout, seconds);
+        },
         isExpired: function() {
           return state.expiry && state.expiry <= this._getNow();
         },

src/angular-idle.spec.js

@@ -134,6 +134,30 @@ describe('ngIdle', function() {
         $idle = create();
       });
 
+      it ('setIdle() should update option.idle and restart', function() {
+        spyOn($idle, 'watch');
+        spyOn($idle, 'unwatch');
+        spyOn($idle, 'running').andCallFake(function() {return true;});
+
+        $idle.setIdle(100);
+
+        expect($idle._options().idle).toBe(100);
+        expect($idle.unwatch).toHaveBeenCalled();
+        expect($idle.watch).toHaveBeenCalled();
+      });
+
+      it ('setTimeout() should update option.timeout and restart', function() {
+        spyOn($idle, 'watch');
+        spyOn($idle, 'unwatch');
+        spyOn($idle, 'running').andCallFake(function() {return true;});
+
+        $idle.setTimeout(100);
+
+        expect($idle._options().timeout).toBe(100);
+        expect($idle.unwatch).toHaveBeenCalled();
+        expect($idle.watch).toHaveBeenCalled();
+      });
+
       it('watch() should clear timeouts and start running', function() {
         spyOn($interval, 'cancel');