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81 lines
2.7 KiB
81 lines
2.7 KiB
/*
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* Copyright 2017 Google
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import "FIRAuthDefaultUIDelegate.h"
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NS_ASSUME_NONNULL_BEGIN
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@interface FIRAuthDefaultUIDelegate ()
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/** @fn initWithViewController:
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@brief Initializes the instance with a view controller.
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@param viewController The view controller as the presenting view controller in @c
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FIRAuthUIDelegate.
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@return The initialized instance.
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*/
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- (instancetype)initWithViewController:(UIViewController *)viewController NS_DESIGNATED_INITIALIZER;
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@end
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@implementation FIRAuthDefaultUIDelegate {
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/** @var _viewController
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@brief The presenting view controller.
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*/
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UIViewController *_viewController;
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}
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- (instancetype)initWithViewController:(UIViewController *)viewController {
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self = [super init];
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if (self) {
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_viewController = viewController;
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}
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return self;
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}
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- (void)presentViewController:(UIViewController *)viewControllerToPresent
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animated:(BOOL)flag
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completion:(nullable void (^)(void))completion {
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[_viewController presentViewController:viewControllerToPresent
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animated:flag
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completion:completion];
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}
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- (void)dismissViewControllerAnimated:(BOOL)flag completion:(nullable void (^)(void))completion {
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[_viewController dismissViewControllerAnimated:flag completion:completion];
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}
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+ (id<FIRAuthUIDelegate>)defaultUIDelegate {
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UIViewController *topViewController =
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[UIApplication sharedApplication].keyWindow.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]]) {
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UINavigationController *nav = (UINavigationController *)topViewController;
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topViewController = nav.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 [[FIRAuthDefaultUIDelegate alloc] initWithViewController:topViewController];
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}
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@end
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NS_ASSUME_NONNULL_END
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