/// <summary>
/// Sets the normalized volume. Since different engines support
/// different ranges for volume, ACAT normalizes them and
/// uses an integer between 0 and 9 for the volume level
/// </summary>
/// <param name="normalizedVolume">normalized volume level</param>
public void SetNormalizedVolume(int normalizedVolume)
{
ITTSValue <int> v = ActiveEngine.GetVolume();
if (v.RangeMax == 0)
{
return;
}
float fraction = (float)normalizedVolume / 9.0f;
float currentValue = fraction * v.RangeMax;
int volSetting = (int)Math.Round(currentValue, 0);
ActiveEngine.SetVolume(volSetting);
}
/// <summary>
/// Form is loaded. Initialize it.
/// </summary>
/// <param name="sender">event sender</param>
/// <param name="e">event args</param>
private void VolumeSettingsScanner_Load(object sender, EventArgs e)
{
_scannerCommon.OnLoad();
_titleWidget = _scannerCommon.GetRootWidget().Finder.FindChild("Title");
setTitle();
ITTSValue <int> volume = Context.AppTTSManager.ActiveEngine.GetVolume();
_initialSetting = volume.Value;
_volumeSelected = Context.AppTTSManager.GetNormalizedVolume().Value;
_scannerCommon.GetAnimationManager().Start(_scannerCommon.GetRootWidget());
}
/// <summary>
/// Returns the current normalized volume
/// </summary>
/// <returns>volume level</returns>
public TTSValue GetNormalizedVolume()
{
ITTSValue <int> volume = ActiveEngine.GetVolume();
if (volume.RangeMax == 0)
{
return(new TTSValue(_minNormalizedVolume, _maxNormalizedVolume, 0));
}
float fraction = (float)volume.Value / volume.RangeMax;
float currentValue = fraction * 9.0f;
int v = (int)Math.Round(currentValue, 0);
if (v == 0 && volume.Value > 0)
{
v = 1;
}
return(new TTSValue(_minNormalizedVolume, _maxNormalizedVolume, v));
}
