/// <summary>
/// Starts teh animation on this spinner.
/// </summary>
public void Start()
{
lock (this)
{
if (IsRunning)
{
return;
}
ImageView.Hidden = true;
ImageView.Alpha = 1;
IsRunning = true;
if (AutoShowTimer != null)
{
AutoShowTimer.Enabled = false;
AutoShowTimer.Dispose();
}
AutoShowTimer = new Timer(Crex.Application.Current.Config.LoadingSpinnerDelay.Value);
AutoShowTimer.Elapsed += AutoShowTimer_Elapsed;
AutoShowTimer.AutoReset = false;
AutoShowTimer.Enabled = true;
}
}
/// <summary>
/// Stops the animation on this spinner.
/// </summary>
/// <param name="finished">An action to be performed when the spinner has hidden.</param>
public void Stop(Action finished = null)
{
lock (this)
{
if (finished != null)
{
StopActions.Add(finished);
}
//
// If we stopped before showing the spinner then just cancel the timer.
//
if (AutoShowTimer != null)
{
AutoShowTimer.Enabled = false;
AutoShowTimer.Dispose();
AutoShowTimer = null;
Stopped();
}
else if (ImageView.Layer.AnimationForKey("rotation") != null)
{
//
// Otherwise do a nice fadeout animation.
//
UIView.Animate(Crex.Application.Current.Config.AnimationTime.Value / 1000.0f, () =>
{
ImageView.Alpha = 0.0f;
}, () =>
{
InvokeOnMainThread(() =>
{
lock (this)
{
if (IsRunning)
{
Stopped();
}
}
});
});
}
else
{
Stopped();
}
}
}
