mail: make virtual "All Mail" togglable

Mac clients behave poorly when this virtual mailbox is present

dashboard/src/views/emails.js

@@ -133,6 +133,41 @@ angular.module('Application').controller('EmailsController', ['$scope', '$locati
         }
     };
 
+    $scope.virtualAllMail = {
+        busy: false,
+        error: null,
+        enabled: false,
+
+        refresh: function () {
+            Client.getVirtualAllMail(function (error, enabled) {
+                if (error) return console.error('Failed to get max email size', error);
+
+                $scope.virtualAllMail.enabled = enabled;
+            });
+        },
+
+        show: function() {
+            $scope.virtualAllMail.busy = false;
+            $scope.virtualAllMail.error = null;
+
+            $('#virtualAllMailChangeModal').modal('show');
+        },
+
+        submit: function (enable) {
+            $scope.virtualAllMail.busy = true;
+
+            Client.setVirtualAllMail(enable, function (error) {
+                $scope.virtualAllMail.busy = false;
+
+                if (error) return console.error(error);
+
+                $scope.virtualAllMail.enabled = enable;
+
+                $('#virtualAllMailChangeModal').modal('hide');
+            });
+        }
+    };
+
     $scope.mailboxSharing = {
         busy: false,
         error: null,
@@ -422,6 +457,7 @@ angular.module('Application').controller('EmailsController', ['$scope', '$locati
             if ($scope.user.isAtLeastOwner) {
                 $scope.mailLocation.refresh();
                 $scope.maxEmailSize.refresh();
+                $scope.virtualAllMail.refresh();
                 $scope.mailboxSharing.refresh();
                 $scope.spamConfig.refresh();
                 $scope.solrConfig.refresh();