/// <summary>
/// Delays before putting the call on hold.
/// </summary>
/// <param name="hold"></param>
/// <param name="call"></param>
/// <returns></returns>
async Task Hold(AcdHoldContext hold, AudioVideoCall call, CancellationToken cancellationToken)
{
try
{
await Task.Delay(Delay, cancellationToken);
await hold.HoldAsync(call);
}
catch (OperationCanceledException)
{
// ignore
}
}
public override async Task<AcdActionResult> Execute(LocalEndpoint localEndpoint, AudioVideoCall call, CancellationToken cancellationToken)
{
using (var hold = new AcdHoldContext(Audio))
{
// initiate delayed hold operation
var s = new CancellationTokenSource();
var h = Hold(hold, call, s.Token);
// invoke next action
var r = await base.Execute(localEndpoint, call, cancellationToken);
// wait for delayed hold operation to exit
s.Cancel();
await h;
return r;
}
}