init

Telegram/SourceFiles/chat_helpers/emoji_keywords.h

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+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+class ApiWrap;
+
+namespace ChatHelpers {
+namespace details {
+
+class EmojiKeywordsLangPackDelegate {
+public:
+	virtual ApiWrap *api() = 0;
+	virtual void langPackRefreshed() = 0;
+
+protected:
+	~EmojiKeywordsLangPackDelegate() = default;
+
+};
+
+} // namespace details
+
+class EmojiKeywords final : private details::EmojiKeywordsLangPackDelegate {
+public:
+	EmojiKeywords();
+	EmojiKeywords(const EmojiKeywords &other) = delete;
+	EmojiKeywords &operator=(const EmojiKeywords &other) = delete;
+	~EmojiKeywords();
+
+	void refresh();
+
+	[[nodiscard]] rpl::producer<> refreshed() const;
+
+	struct Result {
+		EmojiPtr emoji = nullptr;
+		QString label;
+		QString replacement;
+	};
+	[[nodiscard]] std::vector<Result> query(
+		const QString &query,
+		bool exact = false) const;
+	[[nodiscard]] std::vector<Result> queryMine(
+		const QString &query,
+		bool exact = false) const;
+	[[nodiscard]] int maxQueryLength() const;
+
+private:
+	class LangPack;
+
+	not_null<details::EmojiKeywordsLangPackDelegate*> delegate();
+	ApiWrap *api() override;
+	void langPackRefreshed() override;
+
+	[[nodiscard]] static std::vector<Result> PrioritizeRecent(
+		std::vector<Result> list);
+	[[nodiscard]] static std::vector<Result> ApplyVariants(
+		std::vector<Result> list);
+
+	void handleSessionChanges();
+	void apiChanged(ApiWrap *api);
+	void refreshInputLanguages();
+	[[nodiscard]] std::vector<QString> languages();
+	void refreshRemoteList();
+	void setRemoteList(std::vector<QString> &&list);
+	void refreshFromRemoteList();
+
+	ApiWrap *_api = nullptr;
+	std::vector<QString> _localList;
+	std::vector<QString> _remoteList;
+	mtpRequestId _langsRequestId = 0;
+	base::flat_map<QString, std::unique_ptr<LangPack>> _data;
+	std::deque<std::unique_ptr<LangPack>> _notUsedData;
+	std::deque<QStringList> _inputLanguages;
+	rpl::event_stream<> _refreshed;
+
+	rpl::lifetime _suggestedChangeLifetime;
+
+	rpl::lifetime _lifetime;
+	base::has_weak_ptr _guard;
+
+};
+
+} // namespace ChatHelpers