tdesktop/Telegram/SourceFiles/boxes/gift_premium_box.cpp

805 lines
22 KiB
C++

/*
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 "boxes/gift_premium_box.h"
#include "apiwrap.h"
#include "api/api_premium.h"
#include "api/api_premium_option.h"
#include "base/unixtime.h"
#include "base/weak_ptr.h"
#include "boxes/peers/prepare_short_info_box.h"
#include "data/data_changes.h"
#include "data/data_channel.h"
#include "data/data_media_types.h" // Data::Giveaway
#include "data/data_peer_values.h" // Data::PeerPremiumValue.
#include "data/data_session.h"
#include "data/data_subscription_option.h"
#include "data/data_user.h"
#include "lang/lang_keys.h"
#include "main/main_session.h"
#include "mainwidget.h"
#include "settings/settings_premium.h"
#include "ui/basic_click_handlers.h" // UrlClickHandler::Open.
#include "ui/boxes/boost_box.h" // StartFireworks.
#include "ui/controls/userpic_button.h"
#include "ui/effects/premium_graphics.h"
#include "ui/effects/premium_stars_colored.h"
#include "ui/effects/premium_top_bar.h"
#include "ui/layers/generic_box.h"
#include "ui/text/format_values.h"
#include "ui/text/text_utilities.h"
#include "ui/widgets/checkbox.h"
#include "ui/widgets/gradient_round_button.h"
#include "ui/wrap/padding_wrap.h"
#include "ui/wrap/table_layout.h"
#include "window/window_peer_menu.h" // ShowChooseRecipientBox.
#include "window/window_session_controller.h"
#include "styles/style_boxes.h"
#include "styles/style_layers.h"
#include "styles/style_chat_helpers.h"
#include "styles/style_info.h"
#include "styles/style_premium.h"
#include <QtGui/QGuiApplication>
namespace {
constexpr auto kDiscountDivider = 5.;
using GiftOption = Data::SubscriptionOption;
using GiftOptions = Data::SubscriptionOptions;
GiftOptions GiftOptionFromTL(const MTPDuserFull &data) {
auto result = GiftOptions();
const auto gifts = data.vpremium_gifts();
if (!gifts) {
return result;
}
result = Api::SubscriptionOptionsFromTL(gifts->v);
for (auto &option : result) {
option.costPerMonth = tr::lng_premium_gift_per(
tr::now,
lt_cost,
option.costPerMonth);
}
return result;
}
void GiftBox(
not_null<Ui::GenericBox*> box,
not_null<Window::SessionController*> controller,
not_null<UserData*> user,
GiftOptions options) {
const auto boxWidth = st::boxWideWidth;
box->setWidth(boxWidth);
box->setNoContentMargin(true);
const auto buttonsParent = box->verticalLayout().get();
struct State {
rpl::event_stream<QString> buttonText;
};
const auto state = box->lifetime().make_state<State>();
const auto userpicPadding = st::premiumGiftUserpicPadding;
const auto top = box->addRow(object_ptr<Ui::FixedHeightWidget>(
buttonsParent,
userpicPadding.top()
+ userpicPadding.bottom()
+ st::defaultUserpicButton.size.height()));
using ColoredMiniStars = Ui::Premium::ColoredMiniStars;
const auto stars = box->lifetime().make_state<ColoredMiniStars>(top);
const auto userpic = Ui::CreateChild<Ui::UserpicButton>(
top,
user,
st::defaultUserpicButton);
userpic->setAttribute(Qt::WA_TransparentForMouseEvents);
top->widthValue(
) | rpl::start_with_next([=](int width) {
userpic->moveToLeft(
(width - userpic->width()) / 2,
userpicPadding.top());
const auto center = top->rect().center();
const auto size = QSize(
userpic->width() * Ui::Premium::MiniStars::kSizeFactor,
userpic->height());
const auto ministarsRect = QRect(
QPoint(center.x() - size.width(), center.y() - size.height()),
QPoint(center.x() + size.width(), center.y() + size.height()));
stars->setPosition(ministarsRect.topLeft());
stars->setSize(ministarsRect.size());
}, userpic->lifetime());
top->paintRequest(
) | rpl::start_with_next([=](const QRect &r) {
auto p = QPainter(top);
p.fillRect(r, Qt::transparent);
stars->paint(p);
}, top->lifetime());
const auto close = Ui::CreateChild<Ui::IconButton>(
buttonsParent,
st::infoTopBarClose);
close->setClickedCallback([=] { box->closeBox(); });
buttonsParent->widthValue(
) | rpl::start_with_next([=](int width) {
close->moveToRight(0, 0, width);
}, close->lifetime());
// Header.
const auto &padding = st::premiumGiftAboutPadding;
const auto available = boxWidth - padding.left() - padding.right();
const auto &stTitle = st::premiumPreviewAboutTitle;
auto titleLabel = object_ptr<Ui::FlatLabel>(
box,
tr::lng_premium_gift_title(),
stTitle);
titleLabel->resizeToWidth(available);
box->addRow(
object_ptr<Ui::CenterWrap<Ui::FlatLabel>>(
box,
std::move(titleLabel)),
st::premiumGiftTitlePadding);
auto textLabel = object_ptr<Ui::FlatLabel>(
box,
tr::lng_premium_gift_about(
lt_user,
user->session().changes().peerFlagsValue(
user,
Data::PeerUpdate::Flag::Name
) | rpl::map([=] { return TextWithEntities{ user->firstName }; }),
Ui::Text::RichLangValue),
st::premiumPreviewAbout);
textLabel->setTextColorOverride(stTitle.textFg->c);
textLabel->resizeToWidth(available);
box->addRow(
object_ptr<Ui::CenterWrap<Ui::FlatLabel>>(box, std::move(textLabel)),
padding);
// List.
const auto group = std::make_shared<Ui::RadiobuttonGroup>();
const auto groupValueChangedCallback = [=](int value) {
Expects(value < options.size() && value >= 0);
auto text = tr::lng_premium_gift_button(
tr::now,
lt_cost,
options[value].costTotal);
state->buttonText.fire(std::move(text));
};
group->setChangedCallback(groupValueChangedCallback);
Ui::Premium::AddGiftOptions(
buttonsParent,
group,
options,
st::premiumGiftOption);
// Footer.
auto terms = object_ptr<Ui::FlatLabel>(
box,
tr::lng_premium_gift_terms(
lt_link,
tr::lng_premium_gift_terms_link(
) | rpl::map([=](const QString &t) {
return Ui::Text::Link(t, 1);
}),
Ui::Text::WithEntities),
st::premiumGiftTerms);
terms->setLink(1, std::make_shared<LambdaClickHandler>([=] {
box->closeBox();
Settings::ShowPremium(&user->session(), QString());
}));
terms->resizeToWidth(available);
box->addRow(
object_ptr<Ui::CenterWrap<Ui::FlatLabel>>(box, std::move(terms)),
st::premiumGiftTermsPadding);
// Button.
const auto &stButton = st::premiumGiftBox;
box->setStyle(stButton);
auto raw = Settings::CreateSubscribeButton({
controller,
box,
[] { return QString("gift"); },
state->buttonText.events(),
Ui::Premium::GiftGradientStops(),
[=] {
const auto value = group->value();
return (value < options.size() && value >= 0)
? options[value].botUrl
: QString();
},
});
auto button = object_ptr<Ui::GradientButton>::fromRaw(raw);
button->resizeToWidth(boxWidth
- stButton.buttonPadding.left()
- stButton.buttonPadding.right());
box->setShowFinishedCallback([raw = button.data()]{
raw->startGlareAnimation();
});
box->addButton(std::move(button));
groupValueChangedCallback(0);
Data::PeerPremiumValue(
user
) | rpl::skip(1) | rpl::start_with_next([=] {
box->closeBox();
}, box->lifetime());
}
struct GiftCodeLink {
QString text;
QString link;
};
[[nodiscard]] GiftCodeLink MakeGiftCodeLink(
not_null<Main::Session*> session,
const QString &slug) {
const auto path = u"giftcode/"_q + slug;
return {
session->createInternalLink(path),
session->createInternalLinkFull(path),
};
}
[[nodiscard]] object_ptr<Ui::RpWidget> MakeLinkCopyIcon(
not_null<QWidget*> parent) {
auto result = object_ptr<Ui::RpWidget>(parent);
const auto raw = result.data();
raw->paintRequest() | rpl::start_with_next([=] {
auto p = QPainter(raw);
const auto &icon = st::giveawayGiftCodeLinkCopy;
const auto left = (raw->width() - icon.width()) / 2;
const auto top = (raw->height() - icon.height()) / 2;
icon.paint(p, left, top, raw->width());
}, raw->lifetime());
raw->resize(
st::giveawayGiftCodeLinkCopyWidth,
st::giveawayGiftCodeLinkHeight);
raw->setAttribute(Qt::WA_TransparentForMouseEvents);
return result;
}
[[nodiscard]] tr::phrase<lngtag_count> GiftDurationPhrase(int months) {
return (months < 12)
? tr::lng_premium_gift_duration_months
: tr::lng_premium_gift_duration_years;
}
[[nodiscard]] object_ptr<Ui::RpWidget> MakePeerTableValue(
not_null<QWidget*> parent,
not_null<Window::SessionNavigation*> controller,
PeerId id) {
auto result = object_ptr<Ui::AbstractButton>(parent);
const auto raw = result.data();
const auto &st = st::giveawayGiftCodeUserpic;
raw->resize(raw->width(), st.photoSize);
const auto peer = controller->session().data().peer(id);
const auto userpic = Ui::CreateChild<Ui::UserpicButton>(raw, peer, st);
const auto label = Ui::CreateChild<Ui::FlatLabel>(
raw,
peer->name(),
st::giveawayGiftCodeValue);
raw->widthValue(
) | rpl::start_with_next([=](int width) {
const auto position = st::giveawayGiftCodeNamePosition;
label->resizeToNaturalWidth(width - position.x());
label->moveToLeft(position.x(), position.y(), width);
const auto top = (raw->height() - userpic->height()) / 2;
userpic->moveToLeft(0, top, width);
}, label->lifetime());
userpic->setAttribute(Qt::WA_TransparentForMouseEvents);
label->setAttribute(Qt::WA_TransparentForMouseEvents);
label->setTextColorOverride(st::windowActiveTextFg->c);
raw->setClickedCallback([=] {
controller->uiShow()->showBox(PrepareShortInfoBox(peer, controller));
});
return result;
}
void AddTableRow(
not_null<Ui::TableLayout*> table,
rpl::producer<QString> label,
object_ptr<Ui::RpWidget> value,
style::margins valueMargins) {
table->addRow(
object_ptr<Ui::FlatLabel>(
table,
std::move(label),
st::giveawayGiftCodeLabel),
std::move(value),
st::giveawayGiftCodeLabelMargin,
valueMargins);
}
not_null<Ui::FlatLabel*> AddTableRow(
not_null<Ui::TableLayout*> table,
rpl::producer<QString> label,
rpl::producer<TextWithEntities> value) {
auto widget = object_ptr<Ui::FlatLabel>(
table,
std::move(value),
st::giveawayGiftCodeValue);
const auto result = widget.data();
AddTableRow(
table,
std::move(label),
std::move(widget),
st::giveawayGiftCodeValueMargin);
return result;
}
void AddTableRow(
not_null<Ui::TableLayout*> table,
rpl::producer<QString> label,
not_null<Window::SessionNavigation*> controller,
PeerId id) {
if (!id) {
return;
}
AddTableRow(
table,
std::move(label),
MakePeerTableValue(table, controller, id),
st::giveawayGiftCodePeerMargin);
}
} // namespace
GiftPremiumValidator::GiftPremiumValidator(
not_null<Window::SessionController*> controller)
: _controller(controller)
, _api(&_controller->session().mtp()) {
}
void GiftPremiumValidator::cancel() {
_requestId = 0;
}
void GiftPremiumValidator::showBox(not_null<UserData*> user) {
if (_requestId) {
return;
}
_requestId = _api.request(MTPusers_GetFullUser(
user->inputUser
)).done([=](const MTPusers_UserFull &result) {
if (!_requestId) {
// Canceled.
return;
}
_requestId = 0;
// _controller->api().processFullPeer(peer, result);
_controller->session().data().processUsers(result.data().vusers());
_controller->session().data().processChats(result.data().vchats());
const auto &fullUser = result.data().vfull_user().data();
auto options = GiftOptionFromTL(fullUser);
if (!options.empty()) {
_controller->show(
Box(GiftBox, _controller, user, std::move(options)));
}
}).fail([=] {
_requestId = 0;
}).send();
}
rpl::producer<QString> GiftDurationValue(int months) {
return GiftDurationPhrase(months)(
lt_count,
rpl::single(float64((months < 12) ? months : (months / 12))));
}
QString GiftDuration(int months) {
return GiftDurationPhrase(months)(
tr::now,
lt_count,
(months < 12) ? months : (months / 12));
}
void GiftCodeBox(
not_null<Ui::GenericBox*> box,
not_null<Window::SessionNavigation*> controller,
const QString &slug) {
struct State {
rpl::variable<Api::GiftCode> data;
rpl::variable<bool> used;
bool sent = false;
};
const auto session = &controller->session();
const auto state = box->lifetime().make_state<State>(State{});
state->data = session->api().premium().giftCodeValue(slug);
state->used = state->data.value(
) | rpl::map([=](const Api::GiftCode &data) {
return data.used;
});
box->setWidth(st::boxWideWidth);
box->setStyle(st::giveawayGiftCodeBox);
box->setNoContentMargin(true);
const auto bar = box->setPinnedToTopContent(
object_ptr<Ui::Premium::TopBar>(
box,
st::giveawayGiftCodeCover,
nullptr,
rpl::conditional(
state->used.value(),
tr::lng_gift_link_used_title(),
tr::lng_gift_link_title()),
rpl::conditional(
state->used.value(),
tr::lng_gift_link_used_about(Ui::Text::RichLangValue),
tr::lng_gift_link_about(Ui::Text::RichLangValue)),
true));
const auto max = st::giveawayGiftCodeTopHeight;
bar->setMaximumHeight(max);
bar->setMinimumHeight(st::infoLayerTopBarHeight);
bar->resize(bar->width(), bar->maximumHeight());
const auto link = MakeGiftCodeLink(&controller->session(), slug);
box->addRow(
Ui::MakeLinkLabel(
box,
rpl::single(link.text),
rpl::single(link.link),
box->uiShow(),
MakeLinkCopyIcon(box)),
st::giveawayGiftCodeLinkMargin);
auto table = box->addRow(
object_ptr<Ui::TableLayout>(
box,
st::giveawayGiftCodeTable),
st::giveawayGiftCodeTableMargin);
const auto current = state->data.current();
AddTableRow(
table,
tr::lng_gift_link_label_from(),
controller,
current.from);
if (current.to) {
AddTableRow(
table,
tr::lng_gift_link_label_to(),
controller,
current.to);
} else {
AddTableRow(
table,
tr::lng_gift_link_label_to(),
tr::lng_gift_link_label_to_unclaimed(Ui::Text::WithEntities));
}
AddTableRow(
table,
tr::lng_gift_link_label_gift(),
tr::lng_gift_link_gift_premium(
lt_duration,
GiftDurationValue(current.months) | Ui::Text::ToWithEntities(),
Ui::Text::WithEntities));
const auto reason = AddTableRow(
table,
tr::lng_gift_link_label_reason(),
(current.giveawayId
? ((current.to
? tr::lng_gift_link_reason_giveaway
: tr::lng_gift_link_reason_unclaimed)(
) | Ui::Text::ToLink())
: current.giveaway
? ((current.to
? tr::lng_gift_link_reason_giveaway
: tr::lng_gift_link_reason_unclaimed)(
Ui::Text::WithEntities
) | rpl::type_erased())
: tr::lng_gift_link_reason_chosen(Ui::Text::WithEntities)));
reason->setClickHandlerFilter([=](const auto &...) {
controller->showPeerHistory(
current.from,
Window::SectionShow::Way::Forward,
current.giveawayId);
return false;
});
if (current.date) {
AddTableRow(
table,
tr::lng_gift_link_label_date(),
rpl::single(Ui::Text::WithEntities(
langDateTime(base::unixtime::parse(current.date)))));
}
auto shareLink = tr::lng_gift_link_also_send_link(
) | rpl::map([](const QString &text) {
return Ui::Text::Link(text);
});
auto richDate = [](const Api::GiftCode &data) {
return TextWithEntities{
langDateTime(base::unixtime::parse(data.used)),
};
};
const auto footer = box->addRow(
object_ptr<Ui::FlatLabel>(
box,
rpl::conditional(
state->used.value(),
tr::lng_gift_link_used_footer(
lt_date,
state->data.value() | rpl::map(richDate),
Ui::Text::WithEntities),
tr::lng_gift_link_also_send(
lt_link,
std::move(shareLink),
Ui::Text::WithEntities)),
st::giveawayGiftCodeFooter),
st::giveawayGiftCodeFooterMargin);
footer->setClickHandlerFilter([=](const auto &...) {
const auto chosen = [=](not_null<Data::Thread*> thread) {
const auto content = controller->parentController()->content();
return content->shareUrl(
thread,
MakeGiftCodeLink(&controller->session(), slug).link,
QString());
};
Window::ShowChooseRecipientBox(controller, chosen);
return false;
});
const auto close = Ui::CreateChild<Ui::IconButton>(
box.get(),
st::boxTitleClose);
close->setClickedCallback([=] {
box->closeBox();
});
box->widthValue(
) | rpl::start_with_next([=](int width) {
close->moveToRight(0, 0);
}, box->lifetime());
const auto button = box->addButton(rpl::conditional(
state->used.value(),
tr::lng_box_ok(),
tr::lng_gift_link_use()
), [=] {
if (state->used.current()) {
box->closeBox();
} else if (!state->sent) {
state->sent = true;
const auto done = crl::guard(box, [=](const QString &error) {
if (error.isEmpty()) {
auto copy = state->data.current();
copy.used = base::unixtime::now();
state->data = std::move(copy);
Ui::StartFireworks(box->parentWidget());
} else {
box->uiShow()->showToast(error);
}
});
controller->session().api().premium().applyGiftCode(slug, done);
}
});
const auto buttonPadding = st::giveawayGiftCodeBox.buttonPadding;
const auto buttonWidth = st::boxWideWidth
- buttonPadding.left()
- buttonPadding.right();
button->widthValue() | rpl::filter([=] {
return (button->widthNoMargins() != buttonWidth);
}) | rpl::start_with_next([=] {
button->resizeToWidth(buttonWidth);
}, button->lifetime());
}
void ResolveGiftCode(
not_null<Window::SessionNavigation*> controller,
const QString &slug) {
const auto done = [=](Api::GiftCode code) {
if (!code) {
controller->showToast(tr::lng_gift_link_expired(tr::now));
} else {
controller->uiShow()->showBox(Box(GiftCodeBox, controller, slug));
}
};
controller->session().api().premium().checkGiftCode(
slug,
crl::guard(controller, done));
}
void GiveawayInfoBox(
not_null<Ui::GenericBox*> box,
not_null<Window::SessionNavigation*> controller,
Data::Giveaway giveaway,
Api::GiveawayInfo info) {
using State = Api::GiveawayState;
const auto finished = (info.state == State::Finished)
|| (info.state == State::Refunded);
box->setTitle((finished
? tr::lng_prizes_end_title
: tr::lng_prizes_how_title)());
const auto first = !giveaway.channels.empty()
? giveaway.channels.front()->name()
: u"channel"_q;
auto text = (finished
? tr::lng_prizes_end_text
: tr::lng_prizes_how_text)(
tr::now,
lt_admins,
tr::lng_prizes_admins(
tr::now,
lt_count,
giveaway.quantity,
lt_channel,
Ui::Text::Bold(first),
lt_duration,
TextWithEntities{ GiftDuration(giveaway.months) },
Ui::Text::RichLangValue),
Ui::Text::RichLangValue);
const auto many = (giveaway.channels.size() > 1);
const auto count = info.winnersCount
? info.winnersCount
: giveaway.quantity;
auto winners = giveaway.all
? (many
? tr::lng_prizes_winners_all_of_many
: tr::lng_prizes_winners_all_of_one)(
tr::now,
lt_count,
count,
lt_channel,
Ui::Text::Bold(first),
Ui::Text::RichLangValue)
: (many
? tr::lng_prizes_winners_new_of_many
: tr::lng_prizes_winners_new_of_one)(
tr::now,
lt_count,
count,
lt_channel,
Ui::Text::Bold(first),
lt_start_date,
Ui::Text::Bold(
langDateTime(base::unixtime::parse(info.startDate))),
Ui::Text::RichLangValue);
text.append("\n\n").append((finished
? tr::lng_prizes_end_when_finish
: tr::lng_prizes_how_when_finish)(
tr::now,
lt_date,
Ui::Text::Bold(langDayOfMonthFull(
base::unixtime::parse(giveaway.untilDate).date())),
lt_winners,
winners,
Ui::Text::RichLangValue));
if (info.activatedCount > 0) {
text.append(' ').append(tr::lng_prizes_end_activated(
tr::now,
lt_count,
info.activatedCount));
}
if (!info.giftCode.isEmpty()) {
text.append("\n\n");
text.append(tr::lng_prizes_you_won(
tr::now,
lt_cup,
QString::fromUtf8("\xf0\x9f\x8f\x86")));
} else if (info.state == State::Finished) {
text.append("\n\n");
text.append(tr::lng_prizes_you_didnt(tr::now));
} else if (info.state == State::Preparing) {
} else if (info.state != State::Refunded) {
if (info.adminChannelId) {
const auto channel = controller->session().data().channel(
info.adminChannelId);
text.append("\n\n").append(tr::lng_prizes_how_no_admin(
tr::now,
lt_channel,
Ui::Text::Bold(channel->name()),
Ui::Text::RichLangValue));
} else if (info.tooEarlyDate) {
text.append("\n\n").append(tr::lng_prizes_how_no_joined(
tr::now,
lt_date,
Ui::Text::Bold(
langDateTime(base::unixtime::parse(info.tooEarlyDate))),
Ui::Text::RichLangValue));
} else if (!info.disallowedCountry.isEmpty()) {
text.append("\n\n").append(tr::lng_prizes_how_no_country(
tr::now,
Ui::Text::RichLangValue));
} else if (info.participating) {
text.append("\n\n").append((many
? tr::lng_prizes_how_yes_joined_many
: tr::lng_prizes_how_yes_joined_one)(
tr::now,
lt_channel,
Ui::Text::Bold(first),
Ui::Text::RichLangValue));
} else {
text.append("\n\n").append((many
? tr::lng_prizes_how_participate_many
: tr::lng_prizes_how_participate_one)(
tr::now,
lt_channel,
Ui::Text::Bold(first),
lt_date,
Ui::Text::Bold(langDayOfMonthFull(
base::unixtime::parse(giveaway.untilDate).date())),
Ui::Text::RichLangValue));
}
}
const auto padding = st::boxPadding;
box->addRow(
object_ptr<Ui::FlatLabel>(
box.get(),
rpl::single(std::move(text)),
st::boxLabel),
{ padding.left(), 0, padding.right(), padding.bottom() });
if (info.state == State::Refunded) {
const auto wrap = box->addRow(
object_ptr<Ui::PaddingWrap<Ui::FlatLabel>>(
box.get(),
object_ptr<Ui::FlatLabel>(
box.get(),
tr::lng_prizes_cancelled(),
st::giveawayRefundedLabel),
st::giveawayRefundedPadding),
{ padding.left(), 0, padding.right(), padding.bottom() });
const auto bg = wrap->lifetime().make_state<Ui::RoundRect>(
st::boxRadius,
st::attentionBoxButton.textBgOver);
wrap->paintRequest() | rpl::start_with_next([=] {
auto p = QPainter(wrap);
bg->paint(p, wrap->rect());
}, wrap->lifetime());
}
if (const auto slug = info.giftCode; !slug.isEmpty()) {
box->addButton(tr::lng_prizes_view_prize(), [=] {
ResolveGiftCode(controller, slug);
});
box->addButton(tr::lng_cancel(), [=] { box->closeBox(); });
} else {
box->addButton(tr::lng_close(), [=] { box->closeBox(); });
}
}
void ResolveGiveawayInfo(
not_null<Window::SessionNavigation*> controller,
not_null<PeerData*> peer,
MsgId messageId,
Data::Giveaway giveaway) {
const auto show = [=](Api::GiveawayInfo info) {
if (!info) {
controller->showToast(
tr::lng_confirm_phone_link_invalid(tr::now));
} else {
controller->uiShow()->showBox(
Box(GiveawayInfoBox, controller, giveaway, info));
}
};
controller->session().api().premium().resolveGiveawayInfo(
peer,
messageId,
crl::guard(controller, show));
}