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Telegram/SourceFiles/calls/group/calls_choose_join_as.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/weak_ptr.h"
+#include "base/object_ptr.h"
+
+class PeerData;
+
+namespace Ui {
+class Show;
+class BoxContent;
+} // namespace Ui
+
+namespace Calls::Group {
+
+struct JoinInfo;
+
+class ChooseJoinAsProcess final {
+public:
+	ChooseJoinAsProcess() = default;
+	~ChooseJoinAsProcess();
+
+	enum class Context {
+		Create,
+		CreateScheduled,
+		Join,
+		JoinWithConfirm,
+		Switch,
+	};
+
+	void start(
+		not_null<PeerData*> peer,
+		Context context,
+		std::shared_ptr<Ui::Show> show,
+		Fn<void(JoinInfo)> done,
+		PeerData *changingJoinAsFrom = nullptr);
+
+private:
+	void requestList();
+	void processList(std::vector<not_null<PeerData*>> &&list);
+	void finish(JoinInfo info);
+
+	struct ChannelsListRequest {
+		not_null<PeerData*> peer;
+		std::shared_ptr<Ui::Show> show;
+		Fn<void(JoinInfo)> done;
+		base::has_weak_ptr guard;
+		base::weak_qptr<Ui::BoxContent> box;
+		rpl::lifetime lifetime;
+		Context context = Context();
+		mtpRequestId id = 0;
+		PeerData *changingJoinAsFrom = nullptr;
+	};
+	std::unique_ptr<ChannelsListRequest> _request;
+
+};
+
+} // namespace Calls::Group