Function UpgradeBox

Telegram/SourceFiles/boxes/star_gift_box.cpp:3841–4182

}

void UpgradeBox(
		not_null<GenericBox*> box,
		not_null<Window::SessionController*> controller,
		UpgradeArgs &&args) {
	struct State {
		base::Timer timer;
		std::unique_ptr<UpgradePriceValue> cost;
		rpl::variable<bool> upgrading = false;
		rpl::event_stream<std::shared_ptr<Data::GiftUpgradeResult>> upgraded;
		Ui::FlatLabel *pricesLink = nullptr;
		bool preserveDetails = false;
		bool sent = false;
	};
	const auto state = std::make_shared<State>();

	box->setNoContentMargin(true);
	box->setWidth(st::boxWideWidth);

	const auto show = controller->uiShow();
	const auto container = box->verticalLayout();
	const auto spinner = std::make_shared<Data::GiftUpgradeSpinner>();
	spinner->attributes = Data::UniqueGiftAttributes{
		.models = args.models,
		.backdrops = args.backdrops,
		.patterns = args.patterns,
	};

	AddUpgradeGiftCover(
		show,
		container,
		args,
		spinner,
		state->upgraded.events());
	const auto contentIndex = container->count();

	AddSkip(container, st::defaultVerticalListSkip * 2);

	const auto features = std::vector<Ui::FeatureListEntry>{
		{
			st::menuIconUnique,
			tr::lng_gift_upgrade_unique_title(tr::now),
			(args.savedId
				? tr::lng_gift_upgrade_unique_about(tr::now, tr::marked)
				: (args.peer->isBroadcast()
					? tr::lng_gift_upgrade_unique_about_channel
					: tr::lng_gift_upgrade_unique_about_user)(
						tr::now,
						lt_name,
						tr::marked(args.peer->shortName()),
						tr::marked)),
		},
		{
			st::menuIconReplace,
			tr::lng_gift_upgrade_transferable_title(tr::now),
			(args.savedId
				? tr::lng_gift_upgrade_transferable_about(
					tr::now,
					tr::marked)