init

Telegram/SourceFiles/menu/menu_ttl_validator.cpp

@@ -0,0 +1,144 @@
+/*
+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
+*/
+#include "menu/menu_ttl_validator.h"
+
+#include "apiwrap.h"
+#include "data/data_channel.h"
+#include "data/data_chat.h"
+#include "data/data_peer.h"
+#include "data/data_user.h"
+#include "lang/lang_keys.h"
+#include "main/session/session_show.h"
+#include "main/main_session.h"
+#include "menu/menu_ttl.h"
+#include "ui/layers/generic_box.h"
+#include "ui/layers/show.h"
+#include "ui/text/text_utilities.h"
+#include "ui/toast/toast.h"
+#include "ui/text/format_values.h"
+#include "styles/style_chat.h"
+#include "styles/style_menu_icons.h"
+
+namespace TTLMenu {
+namespace {
+
+constexpr auto kToastDuration = crl::time(3500);
+
+void ShowAutoDeleteToast(
+		std::shared_ptr<Ui::Show> show,
+		not_null<PeerData*> peer) {
+	const auto period = peer->messagesTTL();
+	if (!period) {
+		show->showToast(tr::lng_ttl_about_tooltip_off(tr::now));
+		return;
+	}
+
+	const auto duration = (period == 5)
+		? u"5 seconds"_q
+		: Ui::FormatTTL(period);
+	const auto text = peer->isBroadcast()
+		? tr::lng_ttl_about_tooltip_channel(tr::now, lt_duration, duration)
+		: tr::lng_ttl_about_tooltip(tr::now, lt_duration, duration);
+	show->showToast(text, kToastDuration);
+}
+
+} // namespace
+
+TTLValidator::TTLValidator(
+	std::shared_ptr<Ui::Show> show,
+	not_null<PeerData*> peer)
+: _peer(peer)
+, _show(std::move(show)) {
+}
+
+Args TTLValidator::createArgs() const {
+	const auto peer = _peer;
+	const auto show = _show;
+	struct State {
+		TimeId savingPeriod = 0;
+		mtpRequestId savingRequestId = 0;
+	};
+	const auto state = std::make_shared<State>();
+	auto callback = [=](
+			TimeId period,
+			Fn<void()>) {
+		auto &api = peer->session().api();
+		if (state->savingRequestId) {
+			if (period == state->savingPeriod) {
+				return;
+			}
+			api.request(state->savingRequestId).cancel();
+		}
+		state->savingPeriod = period;
+		state->savingRequestId = api.request(MTPmessages_SetHistoryTTL(
+			peer->input(),
+			MTP_int(period)
+		)).done([=](const MTPUpdates &result) {
+			peer->session().api().applyUpdates(result);
+			ShowAutoDeleteToast(show, peer);
+			state->savingRequestId = 0;
+		}).fail([=] {
+			state->savingRequestId = 0;
+		}).send();
+		show->hideLayer();
+	};
+	auto about1 = peer->isUser()
+		? tr::lng_ttl_edit_about(lt_user, rpl::single(peer->shortName()))
+		: peer->isBroadcast()
+		? tr::lng_ttl_edit_about_channel()
+		: tr::lng_ttl_edit_about_group();
+	auto about2 = tr::lng_ttl_edit_about2(
+		lt_link,
+		tr::lng_ttl_edit_about2_link(
+		) | rpl::map([=](const QString &s) {
+			return tr::link(s, "tg://settings/auto_delete");
+		}),
+		tr::marked);
+	auto about = rpl::combine(
+		std::move(about1),
+		std::move(about2)
+	) | rpl::map([](const QString &s1, TextWithEntities &&s2) {
+		return TextWithEntities{ s1 }.append(u"\n\n"_q).append(std::move(s2));
+	});
+	const auto ttl = peer->messagesTTL();
+	return { std::move(show), ttl, std::move(about), std::move(callback) };
+}
+
+bool TTLValidator::can() const {
+	return (_peer->isUser()
+			&& !_peer->isSelf()
+			&& !_peer->isNotificationsUser()
+			&& !_peer->asUser()->isInaccessible()
+			&& !_peer->asUser()->starsPerMessage()
+			&& !_peer->asUser()->isVerifyCodes()
+			&& (!_peer->asUser()->requiresPremiumToWrite()
+				|| _peer->session().premium()))
+		|| (_peer->isChat()
+			&& _peer->asChat()->canEditInformation()
+			&& _peer->asChat()->amIn())
+		|| (_peer->isChannel()
+			&& _peer->asChannel()->canEditInformation()
+			&& _peer->asChannel()->amIn());
+}
+
+void TTLValidator::showToast() const {
+	ShowAutoDeleteToast(_show, _peer);
+}
+
+const style::icon *TTLValidator::icon() const {
+	return &st::menuIconTTL;
+}
+
+void TTLValidator::showBox() const {
+	if (Main::MakeSessionShow(_show, &_peer->session())->showFrozenError()) {
+		return;
+	}
+	_show->showBox(Box(TTLBox, createArgs()));
+}
+
+} // namespace TTLMenu