/// <summary>
/// Notifies the <see cref="FocusStateChanged"/> event listeners.
/// </summary>
/// <param name="args">The <see cref="FocusStateChangedEventArgs"/> instance containing the event data.</param>
private void NotifyFocusStateChanged(FocusStateChangedEventArgs args)
{
EventHandler <FocusStateChangedEventArgs> handler = this.FocusStateChanged;
if (handler != null)
{
handler.Invoke(this, args);
}
}
/// <summary>
/// The <see cref="MainPageViewModel.FocusStateChanged"/> event handler.
/// </summary>
/// <param name="sender">Event sender.</param>
/// <param name="e">The <see cref="FocusStateChangedEventArgs"/> instance containing the event data.</param>
private void ViewModelOnFocusStateChanged(object sender, FocusStateChangedEventArgs e)
{
DispatcherHelper.BeginInvokeOnUIThread(() =>
{
switch (e.FocusState)
{
case FocusState.Focusing:
if (this.viewfinder != null)
{
if (e.FocusPoint.HasValue)
{
this.viewfinder.FlashPointFocusBrackets(e.FocusPoint.Value);
}
else
{
this.viewfinder.FlashAutoFocusBrackets();
}
}
break;
case FocusState.Locked:
if (this.viewfinder != null)
{
if (e.FocusPoint.HasValue)
{
this.viewfinder.LockTouchFocusBrackets();
}
else
{
this.viewfinder.LockAutoFocusBrackets();
}
}
break;
case FocusState.Unlocked:
if (this.viewfinder != null)
{
this.viewfinder.DismissFocusBrackets();
}
break;
}
});
}
/// <summary>
/// Notifies the <see cref="FocusStateChanged"/> event listeners.
/// </summary>
/// <param name="args">The <see cref="FocusStateChangedEventArgs"/> instance containing the event data.</param>
private void NotifyFocusStateChanged(FocusStateChangedEventArgs args)
{
EventHandler<FocusStateChangedEventArgs> handler = this.FocusStateChanged;
if (handler != null)
{
handler.Invoke(this, args);
}
}
