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Add scroll-to-down button to Feed.

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This commit is contained in:
John Preston
2018-02-04 22:57:03 +03:00
parent b8614c60f9
commit 11671e85da
11 changed files with 349 additions and 15 deletions
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Telegram/SourceFiles/data/data_feed.cpp
+11 -1
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@@ -279,6 +279,12 @@ int Feed::unreadCount() const {
return _unreadCount ? *_unreadCount : 0;
}
rpl::producer<int> Feed::unreadCountValue() const {
return rpl::single(
unreadCount()
) | rpl::then(_unreadCountChanges.events());
}
bool Feed::unreadCountKnown() const {
return !!_unreadCount;
}
@@ -321,6 +327,8 @@ void Feed::setUnreadCounts(int unreadNonMutedCount, int unreadMutedCount) {
}
_unreadCount = unreadNonMutedCount + unreadMutedCount;
_unreadMutedCount = unreadMutedCount;
_unreadCountChanges.fire(unreadCount());
updateChatListEntry();
}
@@ -333,7 +341,7 @@ void Feed::setUnreadPosition(const MessagePosition &position) {
void Feed::unreadCountChanged(
base::optional<int> unreadCountDelta,
int mutedCountDelta) {
if (!unreadCountKnown()) {
if (!unreadCountKnown() || (unreadCountDelta && !*unreadCountDelta)) {
return;
}
if (unreadCountDelta) {
@@ -342,6 +350,8 @@ void Feed::unreadCountChanged(
_unreadMutedCount + mutedCountDelta,
0,
*_unreadCount);
_unreadCountChanges.fire(unreadCount());
updateChatListEntry();
} else {
// _parent->session().api().requestFeedDialogsEntries(this);