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124 lines
4.0 KiB
Objective-C
124 lines
4.0 KiB
Objective-C
#import <UIKit/UIKit.h>
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NS_ASSUME_NONNULL_BEGIN
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static inline BOOL OWSIsDebugBuild()
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{
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#ifdef DEBUG
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return YES;
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#else
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return NO;
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#endif
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}
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// These are fired whenever the corresponding "main app" or "app extension"
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// notification is fired.
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//
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// 1. This saves you the work of observing both.
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// 2. This allows us to ensure that any critical work (e.g. re-opening
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// databases) has been done before app re-enters foreground, etc.
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extern NSString *const OWSApplicationDidEnterBackgroundNotification;
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extern NSString *const OWSApplicationWillEnterForegroundNotification;
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extern NSString *const OWSApplicationWillResignActiveNotification;
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extern NSString *const OWSApplicationDidBecomeActiveNotification;
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typedef void (^BackgroundTaskExpirationHandler)(void);
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typedef void (^AppActiveBlock)(void);
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NSString *NSStringForUIApplicationState(UIApplicationState value);
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@class OWSAES256Key;
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@protocol SSKKeychainStorage;
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@protocol AppContext <NSObject>
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@property (nonatomic, readonly) BOOL isMainApp;
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@property (nonatomic, readonly) BOOL isMainAppAndActive;
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@property (nonatomic, readonly) BOOL isShareExtension;
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/// Whether the app was woken up by a silent push notification. This is important for determining whether attachments should be downloaded or not.
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@property (nonatomic) BOOL wasWokenUpByPushNotification;
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// Whether the user is using a right-to-left language like Arabic.
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@property (nonatomic, readonly) BOOL isRTL;
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@property (atomic, nullable) UIWindow *mainWindow;
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// Unlike UIApplication.applicationState, this is thread-safe.
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// It contains the "last known" application state.
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//
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// Because it is updated in response to "will/did-style" events, it is
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// conservative and skews toward less-active and not-foreground:
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//
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// * It doesn't report "is active" until the app is active
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// and reports "inactive" as soon as it _will become_ inactive.
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// * It doesn't report "is foreground (but inactive)" until the app is
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// foreground & inactive and reports "background" as soon as it _will
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// enter_ background.
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//
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// This conservatism is useful, since we want to err on the side of
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// caution when, for example, we do work that should only be done
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// when the app is foreground and active.
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@property (atomic, readonly) UIApplicationState reportedApplicationState;
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// A convenience accessor for reportedApplicationState.
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//
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// This method is thread-safe.
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- (BOOL)isInBackground;
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// A convenience accessor for reportedApplicationState.
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//
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// This method is thread-safe.
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- (BOOL)isAppForegroundAndActive;
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// Should start a background task if isMainApp is YES.
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// Should just return UIBackgroundTaskInvalid if isMainApp is NO.
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- (UIBackgroundTaskIdentifier)beginBackgroundTaskWithExpirationHandler:
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(BackgroundTaskExpirationHandler)expirationHandler;
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// Should be a NOOP if isMainApp is NO.
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- (void)endBackgroundTask:(UIBackgroundTaskIdentifier)backgroundTaskIdentifier;
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// Should be a NOOP if isMainApp is NO.
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- (void)ensureSleepBlocking:(BOOL)shouldBeBlocking blockingObjects:(NSArray<id> *)blockingObjects;
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// Should only be called if isMainApp is YES.
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- (void)setMainAppBadgeNumber:(NSInteger)value;
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- (void)setStatusBarHidden:(BOOL)isHidden animated:(BOOL)isAnimated;
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@property (nonatomic, readonly) CGFloat statusBarHeight;
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// Returns the VC that should be used to present alerts, modals, etc.
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- (nullable UIViewController *)frontmostViewController;
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// Returns nil if isMainApp is NO
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@property (nullable, nonatomic, readonly) UIAlertAction *openSystemSettingsAction;
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// Should be a NOOP if isMainApp is NO.
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- (void)setNetworkActivityIndicatorVisible:(BOOL)value;
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- (void)runNowOrWhenMainAppIsActive:(AppActiveBlock)block;
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@property (atomic, readonly) NSDate *appLaunchTime;
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- (NSString *)appDocumentDirectoryPath;
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- (NSString *)appSharedDataDirectoryPath;
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- (NSUserDefaults *)appUserDefaults;
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@end
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id<AppContext> CurrentAppContext(void);
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BOOL HasAppContext(void);
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void SetCurrentAppContext(id<AppContext> appContext);
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void ExitShareExtension(void);
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#ifdef DEBUG
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void ClearCurrentAppContextForTests(void);
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#endif
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NS_ASSUME_NONNULL_END
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