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Telegram/lib_base/base/system_unlock.h

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+// This file is part of Desktop App Toolkit,
+// a set of libraries for developing nice desktop applications.
+//
+// For license and copyright information please follow this link:
+// https://github.com/desktop-app/legal/blob/master/LEGAL
+//
+#pragma once
+
+class QWidget;
+class QString;
+
+namespace base {
+
+struct SystemUnlockAvailability {
+	bool known : 1 = false;
+	bool available : 1 = false;
+	bool withBiometrics : 1 = false;
+	bool withCompanion : 1 = false;
+
+	friend inline bool operator==(
+		SystemUnlockAvailability,
+		SystemUnlockAvailability) = default;
+};
+
+[[nodiscard]] rpl::producer<SystemUnlockAvailability> SystemUnlockStatus(
+	bool lookupDetails = false);
+
+enum class SystemUnlockResult {
+	Success,
+	Cancelled,
+	FloodError,
+};
+
+void SuggestSystemUnlock(
+	not_null<QWidget*> parent,
+	const QString &text,
+	Fn<void(SystemUnlockResult)> done);
+
+} // namespace base