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Telegram/SourceFiles/ui/controls/who_reacted_context_action.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
+
+#include "base/unique_qptr.h"
+#include "ui/widgets/menu/menu_item_base.h"
+#include "ui/text/text_custom_emoji.h"
+
+namespace Ui {
+
+class PopupMenu;
+
+struct WhoReadParticipant {
+	QString name;
+	QString date;
+	bool dateReacted = false;
+	QString customEntityData;
+	QImage userpicSmall;
+	QImage userpicLarge;
+	std::pair<uint64, uint64> userpicKey = {};
+	uint64 id = 0;
+
+	static constexpr auto kMaxSmallUserpics = 3;
+};
+
+bool operator==(const WhoReadParticipant &a, const WhoReadParticipant &b);
+bool operator!=(const WhoReadParticipant &a, const WhoReadParticipant &b);
+
+enum class WhoReadType {
+	Seen,
+	Listened,
+	Watched,
+	Reacted,
+	Edited,
+	Original,
+};
+
+enum class WhoReadState : uchar {
+	Empty,
+	Unknown,
+	MyHidden,
+	HisHidden,
+	TooOld,
+};
+
+struct WhoReadContent {
+	std::vector<WhoReadParticipant> participants;
+	WhoReadType type = WhoReadType::Seen;
+	QString singleCustomEntityData;
+	int fullReactionsCount = 0;
+	int fullReadCount = 0;
+	WhoReadState state = WhoReadState::Empty;
+};
+
+[[nodiscard]] base::unique_qptr<Menu::ItemBase> WhoReactedContextAction(
+	not_null<PopupMenu*> menu,
+	rpl::producer<WhoReadContent> content,
+	Text::CustomEmojiFactory factory,
+	Fn<void(WhoReadParticipant)> participantChosen,
+	Fn<void()> showAllChosen);
+
+[[nodiscard]] base::unique_qptr<Menu::ItemBase> WhenReadContextAction(
+	not_null<PopupMenu*> menu,
+	rpl::producer<WhoReadContent> content,
+	Fn<void()> showOrPremium = nullptr);
+
+enum class WhoReactedType : uchar {
+	Viewed,
+	Reacted,
+	Reposted,
+	Forwarded,
+	Preloader,
+	RefRecipient,
+	RefRecipientNow,
+};
+
+struct WhoReactedEntryData {
+	QString text;
+	QString date;
+	WhoReactedType type = WhoReactedType::Viewed;
+	QString customEntityData;
+	QImage userpic;
+	Fn<void()> callback;
+};
+
+class WhoReactedEntryAction final : public Menu::ItemBase {
+public:
+	using Data = WhoReactedEntryData;
+
+	WhoReactedEntryAction(
+		not_null<RpWidget*> parent,
+		Text::CustomEmojiFactory factory,
+		const style::Menu &st,
+		Data &&data);
+
+	void setData(Data &&data);
+
+	not_null<QAction*> action() const override;
+	bool isEnabled() const override;
+
+private:
+	int contentHeight() const override;
+
+	void paint(Painter &&p);
+
+	const not_null<QAction*> _dummyAction;
+	const Text::CustomEmojiFactory _customEmojiFactory;
+	const style::Menu &_st;
+	const int _height = 0;
+
+	Text::String _text;
+	Text::String _date;
+	std::unique_ptr<Ui::Text::CustomEmoji> _custom;
+	QImage _userpic;
+	int _textWidth = 0;
+	int _customSize = 0;
+	WhoReactedType _type = WhoReactedType::Viewed;
+
+};
+
+class WhoReactedListMenu final {
+public:
+	WhoReactedListMenu(
+		Text::CustomEmojiFactory factory,
+		Fn<void(WhoReadParticipant)> participantChosen,
+		Fn<void()> showAllChosen);
+
+	void clear();
+	void populate(
+		not_null<PopupMenu*> menu,
+		const WhoReadContent &content,
+		Fn<void()> refillTopActions = nullptr,
+		int addedToBottom = 0,
+		Fn<void()> appendBottomActions = nullptr);
+
+private:
+	const Text::CustomEmojiFactory _customEmojiFactory;
+	const Fn<void(WhoReadParticipant)> _participantChosen;
+	const Fn<void()> _showAllChosen;
+
+	std::vector<not_null<WhoReactedEntryAction*>> _actions;
+
+};
+
+} // namespace Ui