1 files changed, 261 insertions, 0 deletions
diff --git a/src/Ryujinx.HLE/HOS/Services/Time/TimeZone/TimeZoneManager.cs b/src/Ryujinx.HLE/HOS/Services/Time/TimeZone/TimeZoneManager.cs
new file mode 100644
index 00000000..ef4b7b39
--- /dev/null
+++ b/src/Ryujinx.HLE/HOS/Services/Time/TimeZone/TimeZoneManager.cs
@@ -0,0 +1,261 @@
+using Ryujinx.Common.Memory;
+using Ryujinx.HLE.HOS.Services.Time.Clock;
+using System;
+using System.IO;
+
+namespace Ryujinx.HLE.HOS.Services.Time.TimeZone
+{
+    class TimeZoneManager
+    {
+        private bool                 _isInitialized;
+        private Box<TimeZoneRule>    _myRules;
+        private string               _deviceLocationName;
+        private UInt128              _timeZoneRuleVersion;
+        private uint                 _totalLocationNameCount;
+        private SteadyClockTimePoint _timeZoneUpdateTimePoint;
+        private object               _lock;
+
+        public TimeZoneManager()
+        {
+            _isInitialized       = false;
+            _deviceLocationName  = "UTC";
+            _timeZoneRuleVersion = new UInt128();
+            _lock                = new object();
+            _myRules             = new Box<TimeZoneRule>();
+
+            _timeZoneUpdateTimePoint = SteadyClockTimePoint.GetRandom();
+        }
+
+        public bool IsInitialized()
+        {
+            bool res;
+
+            lock (_lock)
+            {
+                res = _isInitialized;
+            }
+
+            return res;
+        }
+
+        public void MarkInitialized()
+        {
+            lock (_lock)
+            {
+                _isInitialized = true;
+            }
+        }
+
+        public ResultCode GetDeviceLocationName(out string deviceLocationName)
+        {
+            ResultCode result = ResultCode.UninitializedClock;
+
+            deviceLocationName = null;
+
+            lock (_lock)
+            {
+                if (_isInitialized)
+                {
+                    deviceLocationName = _deviceLocationName;
+                    result             = ResultCode.Success;
+                }
+            }
+
+            return result;
+        }
+
+        public ResultCode SetDeviceLocationNameWithTimeZoneRule(string locationName, Stream timeZoneBinaryStream)
+        {
+            ResultCode result = ResultCode.TimeZoneConversionFailed;
+
+            lock (_lock)
+            {
+                Box<TimeZoneRule> rules = new Box<TimeZoneRule>();
+
+                bool timeZoneConversionSuccess = TimeZone.ParseTimeZoneBinary(ref rules.Data, timeZoneBinaryStream);
+
+                if (timeZoneConversionSuccess)
+                {
+                    _deviceLocationName = locationName;
+                    _myRules            = rules;
+                    result              = ResultCode.Success;
+                }
+            }
+
+            return result;
+        }
+
+        public void SetTotalLocationNameCount(uint totalLocationNameCount)
+        {
+            lock (_lock)
+            {
+                _totalLocationNameCount = totalLocationNameCount;
+            }
+        }
+
+        public ResultCode GetTotalLocationNameCount(out uint totalLocationNameCount)
+        {
+            ResultCode result = ResultCode.UninitializedClock;
+
+            totalLocationNameCount = 0;
+
+            lock (_lock)
+            {
+                if (_isInitialized)
+                {
+                    totalLocationNameCount = _totalLocationNameCount;
+                    result                 = ResultCode.Success;
+                }
+            }
+
+            return result;
+        }
+
+        public ResultCode SetUpdatedTime(SteadyClockTimePoint timeZoneUpdatedTimePoint, bool bypassUninitialized = false)
+        {
+            ResultCode result = ResultCode.UninitializedClock;
+
+            lock (_lock)
+            {
+                if (_isInitialized || bypassUninitialized)
+                {
+                    _timeZoneUpdateTimePoint = timeZoneUpdatedTimePoint;
+                    result                   = ResultCode.Success;
+                }
+            }
+
+            return result;
+        }
+
+        public ResultCode GetUpdatedTime(out SteadyClockTimePoint timeZoneUpdatedTimePoint)
+        {
+            ResultCode result;
+
+            lock (_lock)
+            {
+                if (_isInitialized)
+                {
+                    timeZoneUpdatedTimePoint = _timeZoneUpdateTimePoint;
+                    result                   = ResultCode.Success;
+                }
+                else
+                {
+                    timeZoneUpdatedTimePoint = SteadyClockTimePoint.GetRandom();
+                    result                   = ResultCode.UninitializedClock;
+                }
+            }
+
+            return result;
+        }
+
+        public ResultCode ParseTimeZoneRuleBinary(ref TimeZoneRule outRules, Stream timeZoneBinaryStream)
+        {
+            ResultCode result = ResultCode.Success;
+
+            lock (_lock)
+            {
+                bool timeZoneConversionSuccess = TimeZone.ParseTimeZoneBinary(ref outRules, timeZoneBinaryStream);
+
+                if (!timeZoneConversionSuccess)
+                {
+                    result = ResultCode.TimeZoneConversionFailed;
+                }
+            }
+
+            return result;
+        }
+
+        public void SetTimeZoneRuleVersion(UInt128 timeZoneRuleVersion)
+        {
+            lock (_lock)
+            {
+                _timeZoneRuleVersion = timeZoneRuleVersion;
+            }
+        }
+
+        public ResultCode GetTimeZoneRuleVersion(out UInt128 timeZoneRuleVersion)
+        {
+            ResultCode result;
+
+            lock (_lock)
+            {
+                if (_isInitialized)
+                {
+                    timeZoneRuleVersion = _timeZoneRuleVersion;
+                    result              = ResultCode.Success;
+                }
+                else
+                {
+                    timeZoneRuleVersion = new UInt128();
+                    result              = ResultCode.UninitializedClock;
+                }
+            }
+
+            return result;
+        }
+
+        public ResultCode ToCalendarTimeWithMyRules(long time, out CalendarInfo calendar)
+        {
+            ResultCode result;
+
+            lock (_lock)
+            {
+                if (_isInitialized)
+                {
+                    result = ToCalendarTime(in _myRules.Data, time, out calendar);
+                }
+                else
+                {
+                    calendar = new CalendarInfo();
+                    result   = ResultCode.UninitializedClock;
+                }
+            }
+
+            return result;
+        }
+
+        public ResultCode ToCalendarTime(in TimeZoneRule rules, long time, out CalendarInfo calendar)
+        {
+            ResultCode result;
+
+            lock (_lock)
+            {
+                result = TimeZone.ToCalendarTime(in rules, time, out calendar);
+            }
+
+            return result;
+        }
+
+        public ResultCode ToPosixTimeWithMyRules(CalendarTime calendarTime, out long posixTime)
+        {
+            ResultCode result;
+
+            lock (_lock)
+            {
+                if (_isInitialized)
+                {
+                    result = ToPosixTime(in _myRules.Data, calendarTime, out posixTime);
+                }
+                else
+                {
+                    posixTime = 0;
+                    result    = ResultCode.UninitializedClock;
+                }
+            }
+
+            return result;
+        }
+
+        public ResultCode ToPosixTime(in TimeZoneRule rules, CalendarTime calendarTime, out long posixTime)
+        {
+            ResultCode result;
+
+            lock (_lock)
+            {
+                result = TimeZone.ToPosixTime(in rules, calendarTime, out posixTime);
+            }
+
+            return result;
+        }
+    }
+}