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Auto-extend conversation load window size.

This commit is contained in:
Matthew Chen 2018-12-13 13:25:55 -05:00
parent 2b36cfed90
commit 8a6f30518a
1 changed files with 22 additions and 0 deletions
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22
Signal/src/ViewControllers/ConversationView/ConversationViewController.m
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@ -1123,6 +1123,28 @@ typedef enum : NSUInteger {
[self updateBackButtonUnreadCount];
[self autoLoadMoreIfNecessary];
if (!self.viewHasEverAppeared) {
// Now that we're using a "minimal" initial load window,
// try to increase the load window a moment after we've
// settled into the view.
__weak ConversationViewController *weakSelf = self;
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(NSEC_PER_SEC / 2)), dispatch_get_main_queue(), ^{
ConversationViewController *strongSelf = weakSelf;
if (!strongSelf) {
return;
}
BOOL isMainAppAndActive = CurrentAppContext().isMainAppAndActive;
if (strongSelf.isUserScrolling || !strongSelf.isViewVisible || !isMainAppAndActive) {
return;
}
if (!strongSelf.conversationViewModel.canLoadMoreItems) {
return;
}
[strongSelf.conversationViewModel loadAnotherPageOfMessages];
});
}
self.conversationViewModel.focusMessageIdOnOpen = nil;
self.isViewCompletelyAppeared = YES;