public void Show()
{
Rect bounds = Window.Current.Bounds;
var child = (FrameworkElement)_popupView;
_popup = new Popup
{
Width = bounds.Width,
Height = bounds.Height,
Child = child,
IsLightDismissEnabled = false,
ChildTransitions =
new TransitionCollection
{
new PopupThemeTransition {FromHorizontalOffset = 0, FromVerticalOffset = 100}
}
};
InputPane inputPane = InputPane.GetForCurrentView();
if (inputPane != null)
_flyoutOffset = inputPane.OccludedRect.Height;
_settings = new PopupSettings
{
UpdatePositionAction = UpdatePositionDelegate,
UpdateSizeAction = UpdateSizeDelegate
};
_popupView.InitializePopup(_popup, _settings);
UpdatePopup(bounds.Width, bounds.Height);
_popup.Closed += PopupOnClosed;
if (_settings.ShowAction == null)
_popup.IsOpen = true;
else
_settings.ShowAction(_popup);
_weakSizeListener = ReflectionExtensions
.CreateWeakDelegate<PopupWrapper, WindowSizeChangedEventArgs, WindowSizeChangedEventHandler>(
this, (wrapper, o, arg3) => wrapper.OnWindowSizeChanged(arg3), (o, handler) => ((Window)o).SizeChanged -= handler, handler => handler.Handle);
Window.Current.SizeChanged += _weakSizeListener;
if (inputPane != null)
{
_weakInputPaneListener = ReflectionExtensions
.CreateWeakDelegate<PopupWrapper, InputPaneVisibilityEventArgs,
TypedEventHandler<InputPane, InputPaneVisibilityEventArgs>>(this,
(wrapper, o, arg3) => wrapper.OnInputPaneChanged(arg3),
(o, handler) =>
{
var pane = (InputPane)o;
pane.Hiding -= handler;
pane.Showing -= handler;
}, handler => handler.Handle);
inputPane.Showing += _weakInputPaneListener;
inputPane.Hiding += _weakInputPaneListener;
}
}
public void Dispose()
{
if (_popup != null)
_popup.Closed -= PopupOnClosed;
if (_weakSizeListener != null)
Window.Current.SizeChanged -= _weakSizeListener;
if (_weakInputPaneListener != null)
{
InputPane pane = InputPane.GetForCurrentView();
if (pane != null)
{
pane.Hiding -= _weakInputPaneListener;
pane.Showing -= _weakInputPaneListener;
}
}
_popup = null;
_weakSizeListener = null;
_weakInputPaneListener = null;
_settings = null;
}
public void InitializePopup(Popup popup, PopupSettings settings)
{
}