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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.Integration.Storage;
namespace Tango.Integration.Upgrade
{
public class FirmwareUpgradeHandler : ExtendedObject
{
private Action _cancelAction;
public event EventHandler<FirmwareUpgradeProgressEventArgs> Progress;
public event EventHandler Completed;
public event EventHandler Canceled;
public event EventHandler<Exception> Failed;
internal FirmwareUpgradeHandler()
{
IsIndeterminate = true;
Total = 100;
Message = "Initializing...";
}
internal FirmwareUpgradeHandler(Action cancelAction) : this()
{
_cancelAction = cancelAction;
}
private String _message;
public String Message
{
get { return _message; }
set { _message = value; RaisePropertyChangedAuto(); }
}
private FirmwareUpgradeStatus _status;
public FirmwareUpgradeStatus Status
{
get { return _status; }
private set { _status = value; RaisePropertyChangedAuto(); }
}
private double _current;
public double Current
{
get { return _current; }
internal set
{
_current = value; RaisePropertyChangedAuto();
}
}
private double _total;
public double Total
{
get { return _total; }
internal set { _total = value; RaisePropertyChangedAuto(); }
}
private bool _isIndeterminate;
public bool IsIndeterminate
{
get { return _isIndeterminate; }
set { _isIndeterminate = value; RaisePropertyChangedAuto(); }
}
public Task Cancel()
{
return Task.Factory.StartNew(() =>
{
_cancelAction.Invoke();
Message = "Canceled.";
Status = FirmwareUpgradeStatus.Canceled;
Canceled?.Invoke(this, new EventArgs());
});
}
internal void RaiseCompleted()
{
RaiseProgress(FirmwareUpgradeStatus.Completed, "Firmware upgrade completed.", false, 100, 100);
Completed?.Invoke(this, new EventArgs());
}
internal void RaiseCanceled()
{
RaiseProgress(FirmwareUpgradeStatus.Canceled, "Firmware upgrade canceled by user.", false, 100, 0);
Canceled?.Invoke(this, new EventArgs());
}
internal void RaiseFailed(Exception ex)
{
RaiseProgress(FirmwareUpgradeStatus.Failed, "Firmware upgrade failed.", false, 100, 0);
Failed?.Invoke(this, ex);
}
internal void RaiseProgress(FirmwareUpgradeStatus status, String message, bool isIndeterminate = true, double total = 100, double current = 0)
{
Total = total;
Current = current;
IsIndeterminate = isIndeterminate;
Status = status;
Message = message;
Progress?.Invoke(this, new FirmwareUpgradeProgressEventArgs()
{
Current = Current,
Status = Status,
Total = Total,
Message = Message,
IsIndeterminate = IsIndeterminate
});
}
}
}
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