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Code Issues Releases Wiki Activity

Preload complex last message on demand.

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This commit is contained in:
John Preston
2023-02-09 09:56:47 +04:00
parent 369862a3a7
commit f2ed77649e
11 changed files with 101 additions and 55 deletions
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78
Telegram/SourceFiles/history/history.cpp
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@@ -607,16 +607,6 @@ not_null<HistoryItem*> History::addNewItem(
} else {
addNewToBack(item, unread);
checkForLoadedAtTop(item);
if (!unread) {
// When we add just one last item, like we do while loading dialogs,
// we want to remove a single added grouped media, otherwise it will
// jump once we open the message history (first we show only that
// media, then we load the rest of the group and show the group).
//
// That way when we open the message history we show nothing until a
// whole history part is loaded, it certainly will contain the group.
removeOrphanMediaGroupPart();
}
}
return item;
}
@@ -2241,6 +2231,44 @@ Dialogs::UnreadState History::computeUnreadState() const {
return result;
}
void History::allowChatListMessageResolve() {
if (_flags & Flag::ResolveChatListMessage) {
return;
}
_flags |= Flag::ResolveChatListMessage;
if (!chatListMessageKnown()) {
requestChatListMessage();
} else {
resolveChatListMessageGroup();
}
}
void History::resolveChatListMessageGroup() {
const auto item = _chatListMessage.value_or(nullptr);
if (!(_flags & Flag::ResolveChatListMessage)
|| !item
|| !hasOrphanMediaGroupPart()) {
return;
}
// If we set a single album part, request the full album.
const auto withImages = !item->toPreview({
.hideSender = true,
.hideCaption = true }).images.empty();
if (withImages) {
owner().histories().requestGroupAround(item);
}
if (unreadCountKnown() && !unreadCount()) {
// When we add just one last item, like we do while loading dialogs,
// we want to remove a single added grouped media, otherwise it will
// jump once we open the message history (first we show only that
// media, then we load the rest of the group and show the group).
//
// That way when we open the message history we show nothing until a
// whole history part is loaded, it certainly will contain the group.
clear(ClearType::Unload);
}
}
HistoryItem *History::chatListMessage() const {
return _chatListMessage.value_or(nullptr);
}
@@ -2269,8 +2297,9 @@ const base::flat_set<QChar> &History::chatListFirstLetters() const {
return peer->nameFirstLetters();
}
void History::loadUserpic() {
void History::chatListPreloadData() {
peer->loadUserpic();
allowChatListMessageResolve();
}
void History::paintUserpic(
@@ -2452,14 +2481,7 @@ void History::setChatListMessage(HistoryItem *item) {
}
_chatListMessage = item;
setChatListTimeId(item->date());
// If we have a single message from a group, request the full album.
if (hasOrphanMediaGroupPart()
&& !item->toPreview({
.hideSender = true,
.hideCaption = true }).images.empty()) {
owner().histories().requestGroupAround(item);
}
resolveChatListMessageGroup();
} else if (!_chatListMessage || *_chatListMessage) {
_chatListMessage = nullptr;
updateChatListEntry();
@@ -2560,13 +2582,21 @@ void History::requestChatListMessage() {
}
void History::setFakeChatListMessage() {
if (const auto chat = peer->asChat()) {
if (!(_flags & Flag::ResolveChatListMessage)) {
if (!chatListTimeId()) {
if (const auto last = lastMessage()) {
setChatListTimeId(last->date());
}
}
return;
} else if (const auto chat = peer->asChat()) {
// In chats we try to take the item before the 'last', which
// is the empty-displayed migration message.
owner().histories().requestFakeChatListMessage(this);
} else if (const auto from = migrateFrom()) {
// In megagroups we just try to use
// the message from the original group.
from->allowChatListMessageResolve();
from->requestChatListMessage();
}
}
@@ -3309,14 +3339,6 @@ bool History::hasOrphanMediaGroupPart() const {
return last->groupId() != MessageGroupId();
}
bool History::removeOrphanMediaGroupPart() {
if (hasOrphanMediaGroupPart()) {
clear(ClearType::Unload);
return true;
}
return false;
}
std::vector<MsgId> History::collectMessagesFromParticipantToDelete(
not_null<PeerData*> participant) const {
auto result = std::vector<MsgId>();