//
//  UINavigationController+Orientation.m
//  AVDemo
//
//  让导航控制器将方向决策交给顶层 ViewController
//

#import "UINavigationController+Orientation.h"

@implementation UINavigationController (Orientation)

- (BOOL)shouldAutorotate {
    // 将决策权交给顶层 ViewController
    return [self.topViewController shouldAutorotate];
}

- (UIInterfaceOrientationMask)supportedInterfaceOrientations {
    // 将决策权交给顶层 ViewController
    return [self.topViewController supportedInterfaceOrientations];
}

- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation {
    // 将决策权交给顶层 ViewController
    return [self.topViewController preferredInterfaceOrientationForPresentation];
}

@end