components/Dialogs/src/UIViewController+MaterialDialogs.m

// Copyright 2016-present the Material Components for iOS authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#import "UIViewController+MaterialDialogs.h"

#import "MDCDialogPresentationController.h"

@implementation UIViewController (MaterialDialogs)

- (MDCDialogPresentationController *)mdc_dialogPresentationController {
  id presentationController = self.presentationController;
  if ([presentationController isKindOfClass:[MDCDialogPresentationController class]]) {
    return (MDCDialogPresentationController *)presentationController;
  }

  return nil;
}

@end