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//
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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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@class OWSPrimaryStorage;
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@class TSMessage;
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@class TSThread;
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@class YapDatabaseReadWriteTransaction;
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@protocol ContactsManagerProtocol;
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@interface OWSDisappearingMessagesJob : NSObject
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+ (instancetype)sharedJob;
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- (instancetype)init NS_UNAVAILABLE;
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- (instancetype)initWithPrimaryStorage:(OWSPrimaryStorage *)primaryStorage NS_DESIGNATED_INITIALIZER;
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- (void)startAnyExpirationForMessage:(TSMessage *)message
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expirationStartedAt:(uint64_t)expirationStartedAt
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transaction:(YapDatabaseReadWriteTransaction *_Nonnull)transaction;
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/**
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* Synchronize our disappearing messages settings with that of the given message. Useful so we can
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* become eventually consistent with remote senders.
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*
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* @param duration
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* Can be 0, indicating a non-expiring message, or greater, indicating an expiring message. We match the expiration
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* timer of the message, including disabling expiring messages if the message is not an expiring message.
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*
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* @param remoteRecipientId
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* nil for outgoing messages, otherwise the recipientId of the sender
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*
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* @param createdInExistingGroup
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* YES when being added to a group which already has DM enabled, otherwise NO
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*/
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- (void)becomeConsistentWithDisappearingDuration:(uint32_t)duration
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thread:(TSThread *)thread
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createdByRemoteRecipientId:(nullable NSString *)remoteRecipientId
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createdInExistingGroup:(BOOL)createdInExistingGroup
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transaction:(YapDatabaseReadWriteTransaction *)transaction;
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// Clean up any messages that expired since last launch immediately
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// and continue cleaning in the background.
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- (void)startIfNecessary;
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- (void)cleanupMessagesWhichFailedToStartExpiringFromNow;
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- (void)cleanupMessagesWhichFailedToStartExpiringWithTransaction:(YapDatabaseReadWriteTransaction *)transaction;
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@end
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NS_ASSUME_NONNULL_END
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