UIViewController+ZFPlayerRotation.m
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//
// UIViewController+ZFPlayerRotation.m
//
// Copyright (c) 2016年 任子丰 ( http://github.com/renzifeng )
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#import <UIKit/UIKit.h>
#import <objc/runtime.h>
@implementation UITabBarController (ZFPlayerRotation)
+ (void)initialize {
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
SEL selectors[] = {
@selector(selectedIndex)
};
for (NSUInteger index = 0; index < sizeof(selectors) / sizeof(SEL); ++index) {
SEL originalSelector = selectors[index];
SEL swizzledSelector = NSSelectorFromString([@"zf_" stringByAppendingString:NSStringFromSelector(originalSelector)]);
Method originalMethod = class_getInstanceMethod(self, originalSelector);
Method swizzledMethod = class_getInstanceMethod(self, swizzledSelector);
if (class_addMethod(self, originalSelector, method_getImplementation(swizzledMethod), method_getTypeEncoding(swizzledMethod))) {
class_replaceMethod(self, swizzledSelector, method_getImplementation(originalMethod), method_getTypeEncoding(originalMethod));
} else {
method_exchangeImplementations(originalMethod, swizzledMethod);
}
}
});
}
- (NSInteger)zf_selectedIndex {
NSInteger index = [self zf_selectedIndex];
if (index > self.viewControllers.count) return 0;
return index;
}
/**
* If the root view of the window is a UINavigationController, you call this Category first, and then UIViewController called.
* All you need to do is revisit the following three methods on a page that supports directions other than portrait.
*/
// Whether automatic screen rotation is supported.
- (BOOL)shouldAutorotate {
return [[self viewControllerRotation] shouldAutorotate];
}
// Which screen directions are supported.
- (UIInterfaceOrientationMask)supportedInterfaceOrientations {
return [[self viewControllerRotation] supportedInterfaceOrientations];
}
// The default screen direction (the current ViewController must be represented by a modal UIViewController (which is not valid with modal navigation) to call this method).
- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation {
return [[self viewControllerRotation] preferredInterfaceOrientationForPresentation];
}
// Return ViewController which decide rotation，if selected in UITabBarController is UINavigationController,return topViewController
- (UIViewController *)viewControllerRotation {
UIViewController *vc = self.viewControllers[self.selectedIndex];
if ([vc isKindOfClass:[UINavigationController class]]) {
UINavigationController *nav = (UINavigationController *)vc;
return nav.topViewController;
} else {
return vc;
}
}
@end
@implementation UINavigationController (ZFPlayerRotation)
/**
* If the root view of the window is a UINavigationController, you call this Category first, and then UIViewController called.
* All you need to do is revisit the following three methods on a page that supports directions other than portrait.
*/
// Whether automatic screen rotation is supported
- (BOOL)shouldAutorotate {
return [self.topViewController shouldAutorotate];
}
// Which screen directions are supported
- (UIInterfaceOrientationMask)supportedInterfaceOrientations {
return [self.topViewController supportedInterfaceOrientations];
}
// The default screen direction (the current ViewController must be represented by a modal UIViewController (which is not valid with modal navigation) to call this method).
- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation {
return [self.topViewController preferredInterfaceOrientationForPresentation];
}
- (UIViewController *)childViewControllerForStatusBarStyle {
return self.topViewController;
}
- (UIViewController *)childViewControllerForStatusBarHidden {
return self.topViewController;
}
@end