add comments

This commit is contained in:
Ryan ZHAO 2021-04-06 14:32:55 +10:00
parent 9dab07f41c
commit 513775b952
1 changed files with 6 additions and 0 deletions

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@ -169,6 +169,12 @@ NS_ASSUME_NONNULL_BEGIN
// the messages view the position of the unread indicator,
// so that it can widen its "load window" to always show
// the unread indicator.
//
// We'll load all of the unread messages. This number may be larger
// than the maxRangeSize. This is not the idealest solution for the
// crash when unread message number is over 100. We can do better if
// we just load maxRangeSize number of unread messages, but the unread
// indicator can still be at the correct position.
__block long visibleUnseenMessageCount = 0;
__block TSInteraction *interactionAfterUnreadIndicator = nil;
__block BOOL hasMoreUnseenMessages = NO;