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Telegram/SourceFiles/ui/chat/group_call_bar.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 "ui/wrap/slide_wrap.h"
+#include "ui/effects/animations.h"
+#include "base/object_ptr.h"
+#include "base/timer.h"
+
+class Painter;
+
+namespace Ui {
+
+class PlainShadow;
+class RoundButton;
+struct GroupCallUser;
+class GroupCallUserpics;
+
+struct GroupCallBarContent {
+	QString title;
+	TimeId scheduleDate = 0;
+	int count = 0;
+	bool shown = false;
+	bool livestream = false;
+	std::vector<GroupCallUser> users;
+};
+
+class GroupCallScheduledLeft final {
+public:
+	enum class Negative {
+		Show,
+		Ignore,
+	};
+	explicit GroupCallScheduledLeft(TimeId date);
+
+	void setDate(TimeId date);
+
+	[[nodiscard]] rpl::producer<QString> text(Negative negative) const;
+	[[nodiscard]] rpl::producer<bool> late() const;
+
+private:
+	[[nodiscard]] crl::time computePreciseDate() const;
+	void restart();
+	void update();
+
+	rpl::variable<QString> _text;
+	rpl::variable<QString> _textNonNegative;
+	rpl::variable<bool> _late;
+	TimeId _date = 0;
+	crl::time _datePrecise = 0;
+	base::Timer _timer;
+	rpl::lifetime _lifetime;
+
+};
+
+class GroupCallBar final {
+public:
+	GroupCallBar(
+		not_null<QWidget*> parent,
+		rpl::producer<GroupCallBarContent> content,
+		rpl::producer<bool> &&hideBlobs);
+	~GroupCallBar();
+
+	void show();
+	void hide();
+	void raise();
+	void finishAnimating();
+
+	void setShadowGeometryPostprocess(Fn<QRect(QRect)> postprocess);
+
+	void move(int x, int y);
+	void resizeToWidth(int width);
+	[[nodiscard]] int height() const;
+	[[nodiscard]] rpl::producer<int> heightValue() const;
+	[[nodiscard]] rpl::producer<> barClicks() const;
+	[[nodiscard]] rpl::producer<> joinClicks() const;
+
+	[[nodiscard]] rpl::lifetime &lifetime() {
+		return _wrap.lifetime();
+	}
+
+private:
+	using User = GroupCallUser;
+
+	void refreshOpenBrush();
+	void refreshScheduledProcess();
+	void updateShadowGeometry(QRect wrapGeometry);
+	void updateControlsGeometry(QRect wrapGeometry);
+	void updateUserpics();
+	void setupInner();
+	void setupRightButton(not_null<RoundButton*> button);
+	void paint(Painter &p);
+	void paintTitleAndStatus(Painter &p);
+	void paintUserpics(Painter &p);
+
+	SlideWrap<> _wrap;
+	not_null<RpWidget*> _inner;
+	std::unique_ptr<RoundButton> _join;
+	std::unique_ptr<RoundButton> _open;
+	rpl::event_stream<Qt::MouseButton> _joinClicks;
+	QBrush _openBrushOverride;
+	int _openBrushForWidth = 0;
+	std::unique_ptr<PlainShadow> _shadow;
+	rpl::event_stream<> _barClicks;
+	Fn<QRect(QRect)> _shadowGeometryPostprocess;
+	bool _shouldBeShown = false;
+	bool _forceHidden = false;
+
+	GroupCallBarContent _content;
+	std::unique_ptr<GroupCallScheduledLeft> _scheduledProcess;
+	std::unique_ptr<GroupCallUserpics> _userpics;
+
+};
+
+} // namespace Ui