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95 lines
3.8 KiB
Objective-C
95 lines
3.8 KiB
Objective-C
//
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// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
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//
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NS_ASSUME_NONNULL_BEGIN
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@class OWSBlockingManager;
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@class OWSContactsManager;
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@class OWSMessageSender;
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@class SignalAttachment;
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@class TSContactThread;
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@class TSInteraction;
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@class YapDatabaseConnection;
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@class TSThread;
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@class TSUnreadIndicatorInteraction;
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@interface ThreadDynamicInteractions : NSObject
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// If there are unseen messages in the thread, this is the index
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// of the unseen indicator, counting from the _end_ of the conversation
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// history.
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//
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// This is used by MessageViewController to increase the
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// range size of the mappings (the load window of the conversation)
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// to include the unread indicator.
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@property (nonatomic, nullable, readonly) NSNumber *unreadIndicatorPosition;
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// If there are unseen messages in the thread, this is the timestamp
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// of the oldest unseen messaage.
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//
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// Once we enter messages view, we mark all messages read, so we need
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// a snapshot of what the first unread message was when we entered the
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// view so that we can call ensureDynamicInteractionsForThread:...
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// repeatedly. The unread indicator should continue to show up until
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// it has been cleared, at which point hideUnreadMessagesIndicator is
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// YES in ensureDynamicInteractionsForThread:...
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@property (nonatomic, nullable, readonly) NSNumber *firstUnseenInteractionTimestamp;
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@property (nonatomic, readonly) BOOL hasMoreUnseenMessages;
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- (void)clearUnreadIndicatorState;
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@end
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#pragma mark -
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@class TSOutgoingMessage;
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@interface ThreadUtil : NSObject
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+ (TSOutgoingMessage *)sendMessageWithText:(NSString *)text
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inThread:(TSThread *)thread
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messageSender:(OWSMessageSender *)messageSender;
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+ (TSOutgoingMessage *)sendMessageWithAttachment:(SignalAttachment *)attachment
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inThread:(TSThread *)thread
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messageSender:(OWSMessageSender *)messageSender;
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// We only should set ignoreErrors in debug or test code.
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+ (TSOutgoingMessage *)sendMessageWithAttachment:(SignalAttachment *)attachment
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inThread:(TSThread *)thread
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messageSender:(OWSMessageSender *)messageSender
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ignoreErrors:(BOOL)ignoreErrors;
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// This method will create and/or remove any offers and indicators
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// necessary for this thread. This includes:
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//
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// * Block offers.
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// * "Add to contacts" offers.
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// * Unread indicators.
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//
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// Parameters:
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//
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// * hideUnreadMessagesIndicator: If YES, the "unread indicator" has
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// been cleared and should not be shown.
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// * firstUnseenInteractionTimestamp: A snapshot of unseen message state
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// when we entered the conversation view. See comments on
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// ThreadOffersAndIndicators.
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// * maxRangeSize: Loading a lot of messages in conversation view is
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// slow and unwieldy. This number represents the maximum current
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// size of the "load window" in that view. The unread indicator should
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// always be inserted within that window.
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+ (ThreadDynamicInteractions *)ensureDynamicInteractionsForThread:(TSThread *)thread
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contactsManager:(OWSContactsManager *)contactsManager
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blockingManager:(OWSBlockingManager *)blockingManager
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readDBConnection:(YapDatabaseConnection *)readDBConnection
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writeDBConnection:(YapDatabaseConnection *)writeDBConnection
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hideUnreadMessagesIndicator:(BOOL)hideUnreadMessagesIndicator
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firstUnseenInteractionTimestamp:(nullable NSNumber *)firstUnseenInteractionTimestamp
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maxRangeSize:(int)maxRangeSize;
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@end
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NS_ASSUME_NONNULL_END
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