Method createSession

Telegram/SourceFiles/intro/intro_step.cpp:216–258

}

void Step::createSession(
		const MTPUser &user,
		QImage photo,
		const QVector<MTPDialogFilter> &filters,
		bool tagsEnabled) {
	// Save the default language if we've suggested some other and user ignored it.
	const auto currentId = Lang::Id();
	const auto defaultId = Lang::DefaultLanguageId();
	const auto suggested = Lang::CurrentCloudManager().suggestedLanguage();
	if (currentId.isEmpty() && !suggested.isEmpty() && suggested != defaultId) {
		Lang::GetInstance().switchToId(Lang::DefaultLanguage());
		Local::writeLangPack();
	}

	auto settings = std::make_unique<Main::SessionSettings>();
	const auto hasFilters = ranges::contains(
		filters,
		mtpc_dialogFilter,
		&MTPDialogFilter::type);
	settings->setDialogsFiltersEnabled(hasFilters);

	const auto account = _account;
	account->createSession(user, std::move(settings));

	// "this" is already deleted here by creating the main widget.
	account->local().enforceModernStorageIdBots();
	account->local().writeMtpData();
	auto &session = account->session();
	session.data().chatsFilters().setPreloaded(filters, tagsEnabled);
	if (hasFilters) {
		session.saveSettingsDelayed();
	}
	if (!photo.isNull()) {
		session.api().peerPhoto().upload(
			session.user(),
			{ std::move(photo) });
	}
	account->appConfig().refresh();
	if (session.supportMode()) {
		PrepareSupportMode(&session);
	}
	Local::sync();
}

void Step::paintEvent(QPaintEvent *e) {
	auto p = QPainter(this);