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39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
5 years ago
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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NS_ASSUME_NONNULL_BEGIN
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typedef void (^AppReadyBlock)(void);
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@interface AppReadiness : NSObject
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- (instancetype)init NS_UNAVAILABLE;
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// This method can be called on any thread.
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+ (BOOL)isAppReady;
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// This method should only be called on the main thread.
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+ (void)setAppIsReady;
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// If the app is ready, the block is called immediately;
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// otherwise it is called when the app becomes ready.
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//
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// This method should only be called on the main thread.
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// The block will always be called on the main thread.
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//
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// * The "will become ready" blocks are called before the "did become ready" blocks.
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// * The "will become ready" blocks should be used for internal setup of components
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// so that they are ready to interact with other components of the system.
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// * The "did become ready" blocks should be used for any work that should be done
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// on app launch, especially work that uses other components.
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// * We should usually use "did become ready" blocks since they are safer.
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+ (void)runNowOrWhenAppWillBecomeReady:(AppReadyBlock)block NS_SWIFT_NAME(runNowOrWhenAppWillBecomeReady(_:));
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+ (void)runNowOrWhenAppDidBecomeReady:(AppReadyBlock)block NS_SWIFT_NAME(runNowOrWhenAppDidBecomeReady(_:));
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@end
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NS_ASSUME_NONNULL_END
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