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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.Core;
using Tango.PMR.Power;
namespace Tango.Integration.Operation
{
public class PowerDownHandler : ExtendedObject
{
private Task _abortTask;
public event EventHandler<PowerDownStatusChangedEventArgs> StatusChanged;
public event EventHandler<Exception> Failed;
public event EventHandler Completed;
private StartPowerDownResponse _status;
public StartPowerDownResponse Status
{
get { return _status; }
set { _status = value; RaisePropertyChangedAuto(); }
}
internal PowerDownHandler(Task abortTask)
{
_abortTask = abortTask;
Status = new StartPowerDownResponse()
{
Message = "Powering down...",
State = PowerDownState.None,
};
}
internal void RaiseStatusChanged(StartPowerDownResponse status)
{
OnStatusChanged(status);
}
internal void RaiseFailed(Exception ex)
{
OnFailed(ex);
}
internal void RaiseCompleted()
{
OnCompleted();
}
private void OnStatusChanged(StartPowerDownResponse status)
{
Status = status;
StatusChanged?.Invoke(this, new PowerDownStatusChangedEventArgs()
{
Status = status
});
}
private void OnCompleted()
{
Completed?.Invoke(this, new EventArgs());
}
private void OnFailed(Exception ex)
{
Failed?.Invoke(this, ex);
}
public async Task Abort()
{
_abortTask.Start();
await _abortTask;
}
}
}
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