53 строки
1.2 KiB
Objective-C
53 строки
1.2 KiB
Objective-C
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <React/RCTUtils.h>
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#import <React/RCTAlertController.h>
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@interface RCTAlertController ()
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@property (nonatomic, strong) UIWindow *alertWindow;
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@end
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@implementation RCTAlertController
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- (UIWindow *)alertWindow
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{
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if (_alertWindow == nil) {
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_alertWindow = [[UIWindow alloc] initWithFrame:RCTSharedApplication().keyWindow.bounds];
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_alertWindow.rootViewController = [UIViewController new];
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_alertWindow.windowLevel = UIWindowLevelAlert + 1;
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}
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return _alertWindow;
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}
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- (void)show:(BOOL)animated completion:(void (^)(void))completion
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{
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if (@available(iOS 13.0, *)) {
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UIUserInterfaceStyle style =
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RCTSharedApplication().delegate.window.overrideUserInterfaceStyle ?: UIUserInterfaceStyleUnspecified;
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self.overrideUserInterfaceStyle = style;
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}
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[self.alertWindow makeKeyAndVisible];
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[self.alertWindow.rootViewController presentViewController:self animated:animated completion:completion];
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}
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- (void)hide
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{
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[_alertWindow setHidden:YES];
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if (@available(iOS 13, *)) {
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_alertWindow.windowScene = nil;
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}
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_alertWindow = nil;
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}
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@end
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