chore: add refreshTimer

Author: jcford73

src/directives/toast/toast.directive.js

@@ -63,6 +63,13 @@
         }
         toastr.remove(scope.toastId, wasClicked);
       };
+      
+      scope.refreshTimer = function(newTime) {
+        if (timeout) {
+          $interval.cancel(timeout);
+          timeout = createTimeout(newTime || scope.options.timeOut);
+        }
+      };
 
       element.on('mouseleave', function() {
         if (scope.options.timeOut === 0 && scope.options.extendedTimeOut === 0) { return; }

src/toastr.js

@@ -23,7 +23,8 @@
       info: info,
       remove: remove,
       success: success,
-      warning: warning
+      warning: warning,
+      refreshTimer: refreshTimer
     };
 
     return toast;
@@ -66,6 +67,12 @@
       return _buildNotification(type, message, title, optionsOverride);
     }
 
+    function refreshTimer(toast, newTime) {
+      if (toast && toast.isOpened && toasts.indexOf(toast) >= 0) {
+          toast.scope.refreshTimer(newTime);
+      }
+    }
+
     function remove(toastId, wasClicked) {
       var toast = findToast(toastId);
 

test/toastr_spec.js

@@ -383,6 +383,64 @@ describe('toastr', function() {
       animationFlush();
       expect(toastr.active()).toBe(0);
     });
+
+    it('allows to restart the timer, keeping the toast visible longer', function() {
+      toastrConfig.timeOut = 5000;
+      var toast = openToast('success', 'foo');
+      expect($document).toHaveToastOpen(1);
+      intervalFlush(2000);
+      toastr.refreshTimer(toast);
+      intervalFlush(3000);
+      expect($document).toHaveToastOpen(1);
+      intervalFlush(2000);
+      expect($document).toHaveToastOpen(0);
+    });
+
+    it('allows to restart the timer with a new duration', function() {
+      toastrConfig.timeOut = 5000;
+      var toast = openToast('success', 'foo');
+      expect($document).toHaveToastOpen(1);
+      intervalFlush(2000);
+      toastr.refreshTimer(toast, 10000);
+      intervalFlush(5000);
+      expect($document).toHaveToastOpen(1);
+      intervalFlush(5000);
+      expect($document).toHaveToastOpen(0);
+    });
+
+    it('ignores requests to restart the timer for manually-closed toasts', function() {
+      toastrConfig.timeOut = 5000;
+      var toast = openToast('success', 'foo');
+      spyOn(toast.scope, 'refreshTimer');
+      expect($document).toHaveToastOpen(1);
+      intervalFlush(1000);
+      toastr.clear(toast);
+      intervalFlush(1000);
+      toastr.refreshTimer(toast);
+      expect(toast.scope.refreshTimer).not.toHaveBeenCalled();
+    });
+
+    it('ignores requests to restart the timer for recently-expired toasts', function() {
+      toastrConfig.timeOut = 5000;
+      var toast = openToast('success', 'foo');
+      spyOn(toast.scope, 'refreshTimer');
+      expect($document).toHaveToastOpen(1);
+      intervalFlush(5000);
+      toastr.refreshTimer(toast);
+      expect(toast.scope.refreshTimer).not.toHaveBeenCalled();
+    });
+
+    it('ignores requests to restart the timer for old toasts', function() {
+      toastrConfig.timeOut = 5000;
+      var toast = openToast('success', 'foo');
+      spyOn(toast.scope, 'refreshTimer');
+      expect($document).toHaveToastOpen(1);
+      intervalFlush(60000);
+      expect($document).toHaveToastOpen(0);
+      toastr.refreshTimer(toast);
+      expect(toast.scope.refreshTimer).not.toHaveBeenCalled();
+    });
+
   });
 
   describe('container', function() {