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remove old messages when new ones come in to save resources

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This commit is contained in:
ouwou
2021-03-30 22:31:13 -04:00
parent f4366fc0af
commit 599a768459
6 changed files with 36 additions and 17 deletions
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29
components/chatwindow.cpp
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@@ -110,6 +110,7 @@ void ChatWindow::SetMessages(const std::set<Snowflake> &msgs) {
}
m_num_rows = 0;
m_num_messages = 0;
m_id_to_widget.clear();
for (const auto &id : msgs) {
@@ -159,14 +160,7 @@ void ChatWindow::InsertChatInput(std::string text) {
}
Snowflake ChatWindow::GetOldestListedMessage() {
Snowflake m;
for (const auto &[id, widget] : m_id_to_widget) {
if (id < m)
m = id;
}
return m;
return m_id_to_widget.begin()->first;
}
void ChatWindow::UpdateReactions(Snowflake id) {
@@ -203,6 +197,7 @@ ChatMessageItemContainer *ChatWindow::CreateMessageComponent(Snowflake id) {
return container;
}
constexpr static int MaxMessagesForCull = 50; // this has to be 50 cuz that magic number is used in a couple other places and i dont feel like replacing them
void ChatWindow::ProcessNewMessage(Snowflake id, bool prepend) {
const auto &client = Abaddon::Get().GetDiscordClient();
if (!client.IsStarted()) return; // e.g. load channel and then dc
@@ -222,6 +217,24 @@ void ChatWindow::ProcessNewMessage(Snowflake id, bool prepend) {
should_attach = true;
}
m_num_messages++;
if (m_should_scroll_to_bottom && !prepend)
while (m_num_messages > MaxMessagesForCull) {
auto first_it = m_id_to_widget.begin();
ChatMessageHeader *header = dynamic_cast<ChatMessageHeader *>(first_it->second->get_ancestor(Gtk::ListBoxRow::get_type()));
if (header != nullptr) {
if (header->GetChildContent().size() == 1)
delete header;
else
delete first_it->second;
} else
delete first_it->second;
m_id_to_widget.erase(first_it);
m_num_rows--;
m_num_messages--;
}
ChatMessageHeader *header;
if (should_attach) {
header = last_row;