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/*
* Copyright 2019 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#if !TARGET_OS_OSX
#import <UIKit/UIKit.h>
#endif // !TARGET_OS_OSX
#if ((TARGET_OS_IOS || TARGET_OS_TV) && (__IPHONE_OS_VERSION_MAX_ALLOWED >= 130000))
#define UISCENE_SUPPORTED 1
#endif
NS_ASSUME_NONNULL_BEGIN
typedef NSString *const GULSceneDelegateInterceptorID;
/** This class contains methods that isa swizzle the scene delegate. */
@interface GULSceneDelegateSwizzler : NSProxy
#if UISCENE_SUPPORTED
/** Registers a scene delegate interceptor whose methods will be invoked as they're invoked on the
* original scene delegate.
*
* @param interceptor An instance of a class that conforms to the application delegate protocol.
* The interceptor is NOT retained.
* @return A unique GULSceneDelegateInterceptorID if interceptor was successfully registered; nil
* if it fails.
*/
+ (nullable GULSceneDelegateInterceptorID)registerSceneDelegateInterceptor:
(id<UISceneDelegate>)interceptor API_AVAILABLE(ios(13.0), tvos(13.0));
/** Unregisters an interceptor with the given ID if it exists.
*
* @param interceptorID The object that was generated when the interceptor was registered.
*/
+ (void)unregisterSceneDelegateInterceptorWithID:(GULSceneDelegateInterceptorID)interceptorID
API_AVAILABLE(ios(13.0), tvos(13.0));
/** Do not initialize this class. */
- (instancetype)init NS_UNAVAILABLE;
#endif // UISCENE_SUPPORTED
/** This method ensures that the original scene delegate has been proxied. Call this before
* registering your interceptor. This method is safe to call multiple times (but it only proxies
* the scene delegate once).
*
* The method has no effect for extensions.
*/
+ (void)proxyOriginalSceneDelegate;
/** Indicates whether scene delegate proxy is explicitly disabled or enabled. Enabled by default.
*
* @return YES if SceneDelegateProxy is Enabled, NO otherwise.
*/
+ (BOOL)isSceneDelegateProxyEnabled;
@end
NS_ASSUME_NONNULL_END
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