public void onBackKeyPressEvent()
{
if (!(keyEvent != null))
{
keyEvent = new cave.KeyEvent();
}
keyEvent.clear();
keyEvent.setAction(cave.KeyEvent.ACTION_DOWN);
keyEvent.setKeyCode(cave.KeyEvent.KEY_BACK);
deliverKeyEventToWidget(keyEvent, getWidget());
}
public virtual void onKeyEvent(cave.KeyEvent @event)
{
if (@event.isKeyPress(cave.KeyEvent.KEY_BACK))
{
if (widgetStack != null && widgetStack.getSize() > 1)
{
if (popWidget() != null)
{
@event.consume();
}
}
}
}
public override void onKeyEvent(cave.KeyEvent @event)
{
if (keyListeners != null)
{
var n = 0;
var m = keyListeners.Count;
for (n = 0; n < m; n++)
{
var keyListener = keyListeners[n];
if (keyListener != null)
{
keyListener.onKeyEvent(@event);
if (@event.isConsumed)
{
break;
}
}
}
}
}
public void deliverKeyEventToWidget(cave.KeyEvent @event, Windows.UI.Xaml.UIElement widget)
{
if (!(widget != null))
{
return;
}
var array = cave.ui.Widget.getChildren(widget);
if (array != null)
{
var n = 0;
var m = array.Count;
for (n = 0; n < m; n++)
{
var child = array[n];
if (child != null)
{
deliverKeyEventToWidget(@event, child);
if (@event.isConsumed)
{
return;
}
}
}
}
var kl = widget as cave.KeyListener;
if (kl != null)
{
kl.onKeyEvent(@event);
if (@event.isConsumed)
{
return;
}
}
}
public virtual void onKeyEvent(cave.KeyEvent @event)
{
}