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Telegram/SourceFiles/ui/chat/group_call_userpics.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/timer.h"
+
+namespace style {
+struct GroupCallUserpics;
+} // namespace style
+
+namespace Ui {
+
+struct GroupCallUser {
+	QImage userpic;
+	std::pair<uint64, uint64> userpicKey = {};
+	uint64 id = 0;
+	bool speaking = false;
+};
+
+class GroupCallUserpics final {
+public:
+	GroupCallUserpics(
+		const style::GroupCallUserpics &st,
+		rpl::producer<bool> &&hideBlobs,
+		Fn<void()> repaint);
+	~GroupCallUserpics();
+
+	void update(
+		const std::vector<GroupCallUser> &users,
+		bool visible);
+	void paint(QPainter &p, int x, int y, int size);
+	void finishAnimating();
+
+	[[nodiscard]] int maxWidth() const;
+	[[nodiscard]] rpl::producer<int> widthValue() const;
+
+	[[nodiscard]] rpl::lifetime &lifetime() {
+		return _lifetime;
+	}
+
+private:
+	using User = GroupCallUser;
+	struct BlobsAnimation;
+	struct Userpic;
+
+	void toggle(Userpic &userpic, bool shown);
+	void updatePositions();
+	void validateCache(Userpic &userpic);
+	[[nodiscard]] bool needCacheRefresh(Userpic &userpic);
+	void ensureBlobsAnimation(Userpic &userpic);
+	void sendRandomLevels();
+	void recountAndRepaint();
+
+	const style::GroupCallUserpics &_st;
+	std::vector<Userpic> _list;
+	base::Timer _randomSpeakingTimer;
+	Fn<void()> _repaint;
+	Ui::Animations::Basic _speakingAnimation;
+	int _maxWidth = 0;
+	bool _skipLevelUpdate = false;
+	crl::time _speakingAnimationHideLastTime = 0;
+
+	rpl::variable<int> _width;
+
+	rpl::lifetime _lifetime;
+
+};
+
+} // namespace Ui