components/Dialogs/examples/DialogsRoundedCornerViewController.m

/*
 Copyright 2018-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 "DialogsRoundedCornerViewController.h"
#import "MaterialButtons.h"
#import "MaterialDialogs.h"

@interface DialogsRoundedCornerSimpleController : UIViewController

@property(nonatomic, strong) MDCFlatButton *dismissButton;

@end

@implementation DialogsRoundedCornerSimpleController

- (void)viewDidLoad {
  [super viewDidLoad];

  self.view.backgroundColor = [UIColor whiteColor];

  _dismissButton = [[MDCFlatButton alloc] initWithFrame:CGRectZero];
  [_dismissButton setTitle:@"Dismiss" forState:UIControlStateNormal];
  [_dismissButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
  _dismissButton.autoresizingMask =
      UIViewAutoresizingFlexibleTopMargin |
      UIViewAutoresizingFlexibleLeftMargin |
      UIViewAutoresizingFlexibleRightMargin |
      UIViewAutoresizingFlexibleBottomMargin;
  [_dismissButton addTarget:self
                     action:@selector(dismiss:)
           forControlEvents:UIControlEventTouchUpInside];

  [self.view addSubview:_dismissButton];

  self.view.layer.cornerRadius = 24.0;
}

- (void)viewWillLayoutSubviews {
  [super viewWillLayoutSubviews];
  [_dismissButton sizeToFit];
  _dismissButton.center = CGPointMake(CGRectGetMidX(self.view.bounds),
                                      CGRectGetMidY(self.view.bounds));
}

- (CGSize)preferredContentSize {
  return CGSizeMake(200.0, 140.0);
}

- (IBAction)dismiss:(id)sender {
  [self.presentingViewController dismissViewControllerAnimated:YES completion:NULL];
}

@end


@interface DialogsRoundedCornerViewController ()

@property(nonatomic, strong) MDCFlatButton *presentButton;
@property(nonatomic, strong) MDCDialogTransitionController *transitionController;

@end

@implementation DialogsRoundedCornerViewController

- (void)viewDidLoad {
  [super viewDidLoad];

  // We must create and store a strong reference to the transitionController.
  // A presented view controller will set this object as its transitioning delegate.
  self.transitionController = [[MDCDialogTransitionController alloc] init];

  self.view.backgroundColor = [UIColor whiteColor];

  _presentButton = [[MDCFlatButton alloc] initWithFrame:CGRectZero];
  [_presentButton setTitle:@"Present" forState:UIControlStateNormal];
  [_presentButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
  _presentButton.autoresizingMask =
      UIViewAutoresizingFlexibleTopMargin |
      UIViewAutoresizingFlexibleLeftMargin |
      UIViewAutoresizingFlexibleRightMargin |
      UIViewAutoresizingFlexibleBottomMargin;
  [_presentButton addTarget:self
                     action:@selector(didTapPresent:)
           forControlEvents:UIControlEventTouchUpInside];

  [self.view addSubview:_presentButton];
}

- (void)viewWillLayoutSubviews {
  [super viewWillLayoutSubviews];
  [_presentButton sizeToFit];
  _presentButton.center = CGPointMake(CGRectGetMidX(self.view.bounds),
                                      CGRectGetMidY(self.view.bounds));
}

- (IBAction)didTapPresent:(id)sender {
  UIViewController *viewController =
      [[DialogsRoundedCornerSimpleController alloc] initWithNibName:nil bundle:nil];

  viewController.modalPresentationStyle = UIModalPresentationCustom;
  viewController.transitioningDelegate = self.transitionController;

  [self presentViewController:viewController animated:YES completion:NULL];
}

+ (NSArray *)catalogBreadcrumbs {
  return @[ @"Dialogs", @"Dialog with Rounded Corners" ];
}

+ (BOOL)catalogIsPrimaryDemo {
  return NO;
}

+ (BOOL)catalogIsPresentable {
  return NO;
}


@end