internal Platform(global::Windows.UI.Xaml.Controls.Page page)
{
if (page == null)
{
throw new ArgumentNullException(nameof(page));
}
_page = page;
var current = global::Windows.UI.Xaml.Application.Current;
if (!current.Resources.ContainsKey("RootContainerStyle"))
{
global::Windows.UI.Xaml.Application.Current.Resources.MergedDictionaries.Add(System.Maui.Maui.GetTabletResources());
}
#if !UWP_14393
if (!current.Resources.ContainsKey(ShellRenderer.ShellStyle))
{
var myResourceDictionary = new global::Windows.UI.Xaml.ResourceDictionary();
myResourceDictionary.Source = new Uri("ms-appx:///System.Maui.Platform.UAP/Shell/ShellStyles.xbf");
global::Windows.UI.Xaml.Application.Current.Resources.MergedDictionaries.Add(myResourceDictionary);
}
#endif
_container = new Canvas
{
Style = (global::Windows.UI.Xaml.Style)current.Resources["RootContainerStyle"]
};
_page.Content = _container;
_container.SizeChanged += OnRendererSizeChanged;
MessagingCenter.Subscribe(this, Page.BusySetSignalName, (Page sender, bool enabled) =>
{
global::Windows.UI.Xaml.Controls.ProgressBar indicator = GetBusyIndicator();
indicator.Visibility = enabled ? Visibility.Visible : Visibility.Collapsed;
});
_toolbarTracker.CollectionChanged += OnToolbarItemsChanged;
UpdateBounds();
InitializeStatusBar();
SystemNavigationManager.GetForCurrentView().BackRequested += OnBackRequested;
global::Windows.UI.Xaml.Application.Current.Resuming += OnResumingAsync;
}
global::Windows.UI.Xaml.Controls.ProgressBar GetBusyIndicator()
{
if (_busyIndicator == null)
{
_busyIndicator = new global::Windows.UI.Xaml.Controls.ProgressBar
{
IsIndeterminate = true,
Visibility = Visibility.Collapsed,
VerticalAlignment = VerticalAlignment.Top
};
Canvas.SetZIndex(_busyIndicator, 1);
_container.Children.Add(_busyIndicator);
}
return(_busyIndicator);
}