[Improvement] Increase account limit

Telegram/Resources/langs/rewrites/en.json

@@ -116,6 +116,8 @@
 	"ktg_channel_status_not_in": "not subscribed",
 	"ktg_group_status_owner": "is owner",
 	"ktg_group_status_admin": "is admin",
+	"ktg_too_many_accounts_warning": "Warning! Using too many accounts at the same time is not recommended due to higher memory comsumption and possible crashes because of it.\n\nYou sure you want to add a new account?",
+	"ktg_account_add_anyway": "Add anyway",
 	"ktg_forward_go_to_chat": "Go to chat",
 	"ktg_settings_forward": "Forward",
 	"ktg_settings_forward_retain_selection": "Retain selection after forward",
@@ -174,5 +176,13 @@
 	"ktg_settings_view_profile_on_top_about": "This option also enables \"Add \"View Profile\"\" from TDesktop's experimental settings.",
 	"ktg_settings_emoji_sidebar": "Enable emoji sidebar",
 	"ktg_settings_emoji_sidebar_right_click": "Emoji sidebar on right click",
+	"ktg_premium_double_limits_about_accounts": {
+		"zero": "Connect {count} accounts with different mobile numbers in official apps",
+		"one": "Connect {count} account with different mobile numbers in official apps",
+		"two": "Connect {count} accounts with different mobile numbers in official apps",
+		"few": "Connect {count} accounts with different mobile numbers in official apps",
+		"many": "Connect {count} accounts with different mobile numbers in official apps",
+		"other": "Connect {count} accounts with different mobile numbers in official apps"
+	},
 	"dummy_last_string": ""
 }

Telegram/SourceFiles/boxes/premium_limits_box.cpp

@@ -1054,6 +1054,7 @@ void FileSizeLimitBox(
 		});
 }
 
+/*
 void AccountsLimitBox(
 		not_null<Ui::GenericBox*> box,
 		not_null<Main::Session*> session) {
@@ -1180,7 +1181,7 @@ void AccountsLimitBox(
 		box->addSkip(st::premiumAccountsPadding.bottom());
 	}
 }
-
+*/
 QString LimitsPremiumRef(const QString &addition) {
 	return "double_limits__" + addition;
 }

Telegram/SourceFiles/boxes/premium_limits_box.h

@@ -78,8 +78,10 @@ void FileSizeLimitBox(
 	not_null<Main::Session*> session,
 	uint64 fileSizeBytes,
 	const style::PremiumLimits *stOverride = nullptr);
+/*
 void AccountsLimitBox(
 	not_null<Ui::GenericBox*> box,
 	not_null<Main::Session*> session);
+*/
 
 [[nodiscard]] QString LimitsPremiumRef(const QString &addition);

Telegram/SourceFiles/boxes/premium_preview_box.cpp

@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "boxes/premium_preview_box.h"
 
+#include "kotato/kotato_lang.h"
 #include "chat_helpers/stickers_lottie.h"
 #include "chat_helpers/stickers_emoji_pack.h"
 #include "data/data_file_origin.h"
@@ -1509,10 +1510,11 @@ void DoubledLimitsPreviewBox(
 		: (QString::number(nextMax) + QChar('+'));
 	entries.push_back({
 		tr::lng_premium_double_limits_subtitle_accounts(),
-		tr::lng_premium_double_limits_about_accounts(
+		rpl::single(Ui::Text::RichLangValue(
-			lt_count,
+			ktr("ktg_premium_double_limits_about_accounts",
-			rpl::single(float64(Main::Domain::kPremiumMaxAccounts)),
+				float64(Main::Domain::kPremiumMaxAccounts),
-			Ui::Text::RichLangValue),
+				{ "count", QString::number(Main::Domain::kPremiumMaxAccounts)})
+		)),
 		Main::Domain::kMaxAccounts,
 		Main::Domain::kPremiumMaxAccounts,
 		till,

Telegram/SourceFiles/core/application.cpp

@@ -332,6 +332,7 @@ void Application::run() {
 		showAccount(account);
 	}, _lifetime);
 
+	/*
 	(
 		_domain->activeValue(
 		) | rpl::to_empty | rpl::filter([=] {
@@ -356,6 +357,7 @@ void Application::run() {
 			}
 		}
 	}, _lifetime);
+	*/
 
 	QCoreApplication::instance()->installEventFilter(this);
 

Telegram/SourceFiles/main/main_domain.cpp

@@ -499,6 +499,7 @@ void Domain::scheduleWriteAccounts() {
 }
 
 int Domain::maxAccounts() const {
+	/*
 	const auto premiumCount = ranges::count_if(accounts(), [](
 			const Main::Domain::AccountWithIndex &d) {
 		return d.account->sessionExists()
@@ -506,6 +507,8 @@ int Domain::maxAccounts() const {
 				|| d.account->session().isTestMode());
 	});
 	return std::min(int(premiumCount) + kMaxAccounts, kPremiumMaxAccounts);
+	*/
+	return kMaxAccounts;
 }
 
 rpl::producer<int> Domain::maxAccountsChanges() const {

Telegram/SourceFiles/main/main_domain.h

@@ -9,6 +9,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "base/timer.h"
 #include "base/weak_ptr.h"
+#include "base/build_config.h"
 
 namespace Storage {
 class Domain;
@@ -31,8 +32,13 @@ public:
 		std::unique_ptr<Account> account;
 	};
 
-	static constexpr auto kMaxAccounts = 3;
+	static constexpr auto kMaxAccountsWarn = 3;
 	static constexpr auto kPremiumMaxAccounts = 6;
+#ifdef ARCH_CPU_64_BITS
+	static constexpr auto kMaxAccounts = 100;
+#else
+	static constexpr auto kMaxAccounts = 10;
+#endif
 
 	explicit Domain(const QString &dataName);
 	~Domain();

Telegram/SourceFiles/settings/settings_information.cpp

@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "settings/settings_information.h"
 
+#include "kotato/kotato_lang.h"
 #include "ui/wrap/vertical_layout.h"
 #include "ui/wrap/vertical_layout_reorder.h"
 #include "ui/wrap/padding_wrap.h"
@@ -883,23 +884,21 @@ not_null<Ui::SlideWrap<Ui::SettingsButton>*> AccountsList::setupAdd() {
 	using Environment = MTP::Environment;
 	const auto add = [=](Environment environment, bool newWindow = false) {
 		auto &domain = _controller->session().domain();
-		auto found = false;
+		const auto sure = [=] {
-		for (const auto &[index, account] : domain.accounts()) {
-			const auto raw = account.get();
-			if (!raw->sessionExists()
-				&& raw->mtp().environment() == environment) {
-				found = true;
-			}
-		}
-		if (!found && domain.accounts().size() >= domain.maxAccounts()) {
-			_controller->show(
-				Box(AccountsLimitBox, &_controller->session()));
-		} else if (newWindow) {
-			domain.addActivated(environment, true);
-		} else {
 			_controller->window().preventOrInvoke([=] {
 				_controller->session().domain().addActivated(environment);
 			});
+		};
+		if (domain.accounts().size() >= Main::Domain::kMaxAccountsWarn) {
+			_controller->show(
+				Ui::MakeConfirmBox({
+					.text = ktr("ktg_too_many_accounts_warning"),
+					.confirmed = sure,
+					.confirmText = ktr("ktg_account_add_anyway"),
+				}),
+				Ui::LayerOption::KeepOther);
+		} else {
+			sure();
 		}
 	};
 

Telegram/SourceFiles/settings/settings_main.cpp

@@ -686,10 +686,22 @@ rpl::producer<QString> Main::title() {
 
 void Main::fillTopBarMenu(const Ui::Menu::MenuCallback &addAction) {
 	const auto &list = Core::App().domain().accounts();
-	if (list.size() < Core::App().domain().maxAccounts()) {
+	if (list.size() < ::Main::Domain::kMaxAccountsWarn) {
 		addAction(tr::lng_menu_add_account(tr::now), [=] {
 			Core::App().domain().addActivated(MTP::Environment{});
 		}, &st::menuIconAddAccount);
+	} else if (list.size() < Core::App().domain().maxAccounts()) {
+		addAction(tr::lng_menu_add_account(tr::now), [=] {
+			_controller->show(
+				Ui::MakeConfirmBox({
+					.text = ktr("ktg_too_many_accounts_warning"),
+					.confirmed = [=] {
+						Core::App().domain().addActivated(MTP::Environment{});
+					},
+					.confirmText = ktr("ktg_account_add_anyway"),
+				}),
+			Ui::LayerOption::KeepOther);
+		}, &st::menuIconAddAccount);
 	}
 	if (!_controller->session().supportMode()) {
 		addAction(