50 lines
1.9 KiB
Objective-C
50 lines
1.9 KiB
Objective-C
//
|
|
// Copyright (c) 2022 Open Whisper Systems. All rights reserved.
|
|
//
|
|
|
|
#import <UIKit/UIKit.h>
|
|
|
|
NS_ASSUME_NONNULL_BEGIN
|
|
|
|
// Any view controller which wants to be able cancel back button
|
|
// presses and back gestures should implement this protocol.
|
|
@protocol OWSNavigationView <NSObject>
|
|
|
|
// shouldCancelNavigationBack will be called if the back button was pressed or
|
|
// if a back gesture was performed but not if the view is popped programmatically.
|
|
- (BOOL)shouldCancelNavigationBack;
|
|
|
|
@end
|
|
|
|
#pragma mark -
|
|
|
|
// This navigation controller subclass should be used anywhere we might
|
|
// want to cancel back button presses or back gestures due to, for example,
|
|
// unsaved changes.
|
|
@interface OWSNavigationController : UINavigationController
|
|
|
|
// If set, this property lets us override prefersStatusBarHidden behavior.
|
|
// This is useful for suppressing the status bar while a modal is presented,
|
|
// regardless of which view is currently visible.
|
|
@property (nonatomic, nullable) NSNumber *ows_prefersStatusBarHidden;
|
|
|
|
// This is the property to use when the whole navigation stack
|
|
// needs to have status bar in a fixed style, e.g. when presenting
|
|
// a view controller modally in a fixed dark or light style.
|
|
@property (nonatomic) UIStatusBarStyle ows_preferredStatusBarStyle;
|
|
|
|
- (nullable instancetype)initWithCoder:(NSCoder *)coder NS_UNAVAILABLE;
|
|
- (instancetype)initWithNavigationBarClass:(nullable Class)navigationBarClass
|
|
toolbarClass:(nullable Class)toolbarClass NS_UNAVAILABLE;
|
|
- (instancetype)initWithNibName:(nullable NSString *)nibNameOrNil
|
|
bundle:(nullable NSBundle *)nibBundleOrNil NS_UNAVAILABLE;
|
|
|
|
- (instancetype)init NS_DESIGNATED_INITIALIZER;
|
|
|
|
// Convenience initializer which is neither "designated" nor "unavailable".
|
|
- (instancetype)initWithRootViewController:(UIViewController *)rootViewController;
|
|
|
|
@end
|
|
|
|
NS_ASSUME_NONNULL_END
|