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Fix "mark as read."
// FREEBIE
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parent
21cdaeed0f
commit
7fa7d5d526
1 changed files with 24 additions and 6 deletions
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@ -3184,11 +3184,31 @@ typedef NS_ENUM(NSInteger, MessagesRangeSizeMode) {
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[self presentViewController:actionSheetController animated:true completion:nil];
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}
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- (NSIndexPath *)lastVisibleIndexPath
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{
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NSIndexPath *lastVisibleIndexPath = nil;
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for (NSIndexPath *indexPath in [self.collectionView indexPathsForVisibleItems]) {
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if (!lastVisibleIndexPath || indexPath.row > lastVisibleIndexPath.row) {
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lastVisibleIndexPath = indexPath;
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}
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}
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return lastVisibleIndexPath;
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}
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- (nullable ConversationViewItem *)lastVisibleViewItem
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{
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NSIndexPath *lastVisibleIndexPath = [self lastVisibleIndexPath];
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if (!lastVisibleIndexPath) {
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return nil;
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}
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return [self viewItemForIndex:lastVisibleIndexPath.row];
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}
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- (void)updateLastVisibleTimestamp
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{
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ConversationViewItem *_Nullable lastViewItem = [self.viewItems lastObject];
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if (lastViewItem) {
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uint64_t lastVisibleTimestamp = lastViewItem.interaction.timestampForSorting;
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ConversationViewItem *_Nullable lastVisibleViewItem = [self lastVisibleViewItem];
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if (lastVisibleViewItem) {
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uint64_t lastVisibleTimestamp = lastVisibleViewItem.interaction.timestampForSorting;
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self.lastVisibleTimestamp = MAX(self.lastVisibleTimestamp, lastVisibleTimestamp);
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}
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@ -3947,9 +3967,7 @@ typedef NS_ENUM(NSInteger, MessagesRangeSizeMode) {
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OWSFail(@"%@ Invalid view item index: %zd", self.tag, index);
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return nil;
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}
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ConversationViewItem *_Nullable viewItem = self.viewItems[(NSUInteger)index];
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OWSAssert(viewItem);
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return viewItem;
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return self.viewItems[(NSUInteger)index];
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}
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#pragma mark - UICollectionViewDataSource
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