/// <summary>
/// Respond to the state changes of the Spectrum virtual machine
/// </summary>
/// <remarks>
/// This method is called from a background thread!
/// </remarks>
private void OnVmStateChanged(VmStateChangedMessage message)
{
Dispatcher.Invoke(() =>
{
switch (message.NewState)
{
case VmState.Stopped:
_dispatchTimer.Stop();
Vm.EarBitFrameProvider.KillSound();
Vm.SpectrumVm.TapeDevice.FastLoadCompleted -= OnFastLoadCompleted;
break;
case VmState.Running:
_dispatchTimer.Stop();
Vm.EarBitFrameProvider.PlaySound();
Vm.SpectrumVm.TapeDevice.FastLoadCompleted += OnFastLoadCompleted;
break;
case VmState.Paused:
Vm.EarBitFrameProvider.PauseSound();
_dispatchTimer.Start();
break;
}
},
DispatcherPriority.Send);
}
/// <summary>
/// Dispatch the vm state changed message on the UI thread
/// </summary>
/// <param name="msg">Message received</param>
private void OnInternalVmStateChanged(VmStateChangedMessage msg)
{
DispatchOnUiThread(() => OnVmStateChanged(msg.OldState, msg.NewState));
}
/// <summary>
/// Changes the caption whenever the VM state changes
/// </summary>
/// <param name="msg"></param>
protected virtual void OnVmStateChanged(VmStateChangedMessage msg)
{
ChangeCaption(msg.NewState);
}
