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Telegram/SourceFiles/ui/chat/more_chats_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 "ui/text/text.h"
+#include "base/object_ptr.h"
+#include "base/timer.h"
+
+class Painter;
+
+namespace Ui {
+
+class PlainShadow;
+class IconButton;
+
+struct MoreChatsBarContent {
+	int count = 0;
+};
+
+class MoreChatsBar final {
+public:
+	MoreChatsBar(
+		not_null<QWidget*> parent,
+		rpl::producer<MoreChatsBarContent> content);
+	~MoreChatsBar();
+
+	[[nodiscard]] not_null<RpWidget*> wrap() {
+		return &_wrap;
+	}
+
+	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<> closeClicks() const;
+
+	[[nodiscard]] rpl::lifetime &lifetime() {
+		return _wrap.lifetime();
+	}
+
+private:
+	void updateShadowGeometry(QRect wrapGeometry);
+	void updateControlsGeometry(QRect wrapGeometry);
+	void setupInner();
+	void paint(Painter &p);
+
+	SlideWrap<> _wrap;
+	not_null<RpWidget*> _inner;
+	std::unique_ptr<PlainShadow> _shadow;
+	object_ptr<IconButton> _close;
+	rpl::event_stream<> _barClicks;
+	Fn<QRect(QRect)> _shadowGeometryPostprocess;
+	bool _shouldBeShown = false;
+	bool _forceHidden = false;
+
+	MoreChatsBarContent _content;
+	Ui::Text::String _text;
+	Ui::Text::String _status;
+
+};
+
+} // namespace Ui