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3fddafb867
* optimize chatter list * changelog * Fix tests Co-authored-by: Rasmus Karlsson <rasmus.karlsson@pajlada.com>
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
#pragma once
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#include <QString>
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#include <functional>
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#include <set>
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#include <unordered_map>
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#include <unordered_set>
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#include "lrucache/lrucache.hpp"
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#include "util/QStringHash.hpp"
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namespace chatterino {
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/// ChatterSet is a limited container that contains a list of recent chatters
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/// that can be referenced by name.
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class ChatterSet
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{
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public:
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/// The limit of how many chatters can be saved for a channel.
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static constexpr size_t chatterLimit = 2000;
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ChatterSet();
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/// Inserts a user name if it isn't contained. Doesn't replace the original
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/// if the casing hasn't changed.
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void addRecentChatter(const QString &userName);
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/// Removes chatters that aren't online anymore. Adds chatters that aren't
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/// in the list yet.
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void updateOnlineChatters(
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const std::unordered_set<QString> &lowerCaseUsernames);
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/// Checks if a username is in the list.
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bool contains(const QString &userName) const;
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/// Get filtered usernames by a prefix for autocompletion. Contained items
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/// are in mixed case if available.
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std::vector<QString> filterByPrefix(const QString &prefix) const;
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private:
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// user name in lower case -> user name in normal case
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cache::lru_cache<QString, QString> items;
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};
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using ChatterSet = ChatterSet;
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} // namespace chatterino
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