ChatterSet.hpp

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#pragma once

#include <QString>
#include <functional>
#include <set>
#include <unordered_map>
#include <unordered_set>
#include "lrucache/lrucache.hpp"
#include "util/QStringHash.hpp"

namespace chatterino {

class ChatterSet
{
public:
    static constexpr size_t chatterLimit = 2000;

    ChatterSet();

    void addRecentChatter(const QString &userName);

    void updateOnlineChatters(
        const std::unordered_set<QString> &lowerCaseUsernames);

    bool contains(const QString &userName) const;

    std::vector<QString> filterByPrefix(const QString &prefix) const;

private:
    // user name in lower case -> user name in normal case
    cache::lru_cache<QString, QString> items;
};

using ChatterSet = ChatterSet;

}  // namespace chatterino