//
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// UIWindow+CurrentViewController.m
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// Player
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//
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// Copyright (c) 2016年 任子丰 ( http://github.com/renzifeng )
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#import "UIWindow+CurrentViewController.h"
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@implementation UIWindow (CurrentViewController)
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+ (UIViewController*)zf_currentViewController; {
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UIWindow *window = [[UIApplication sharedApplication].delegate window];
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UIViewController *topViewController = [window rootViewController];
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while (true) {
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if (topViewController.presentedViewController) {
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topViewController = topViewController.presentedViewController;
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} else if ([topViewController isKindOfClass:[UINavigationController class]] && [(UINavigationController*)topViewController topViewController]) {
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topViewController = [(UINavigationController *)topViewController topViewController];
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} else if ([topViewController isKindOfClass:[UITabBarController class]]) {
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UITabBarController *tab = (UITabBarController *)topViewController;
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topViewController = tab.selectedViewController;
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} else {
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break;
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}
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}
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return topViewController;
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}
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@end
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