public static void Reset()
{
lock (lockObject)
{
if (initialized == false)
{
return;
}
//VisualTreeHelper.SubTreeAdded -= VisualTreeHelper_ChildAdded;
//VisualTreeHelper.SubTreeRemoved -= VisualTreeHelper_ChildRemoved;
//VisualTreeHelper.Reset();
LoadedDetectionHelper.Reset();
uiTimer?.Cancel();
uiTimer?.Dispose();
uiTimer = null;
instance = null;
initialized = false;
}
}
public static void Initialize(Element rootElement, Assembly[] resourceSearchAssemblies = null, IDictionary <string, List <string> > cssNamespaceMapping = null)
{
lock (lockObject)
{
if (initialized &&
rootElement == Css.rootElement)
{
return;
}
Reset();
cssNamespaceMapping = cssNamespaceMapping ?? DefaultCssNamespaceMapping;
TypeHelpers.Initialze(cssNamespaceMapping, true);
var defaultCssNamespace = cssNamespaceMapping.Keys.First();
var markupExtensionParser = new MarkupExtensionParser();
var dependencyPropertyService = new DependencyPropertyService();
var cssTypeHelper = new CssTypeHelper <BindableObject, BindableProperty, Style>(markupExtensionParser, dependencyPropertyService);
instance = new BaseCss <BindableObject, Style, BindableProperty>(
dependencyPropertyService,
new TreeNodeProvider(dependencyPropertyService),
new StyleResourceService(),
new StyleService(dependencyPropertyService, markupExtensionParser),
defaultCssNamespace,
markupExtensionParser,
Device.BeginInvokeOnMainThread,
new CssFileProvider(resourceSearchAssemblies ?? new Assembly[0], cssTypeHelper)
);
Css.rootElement = rootElement;
//VisualTreeHelper.SubTreeAdded += VisualTreeHelper_ChildAdded;
//VisualTreeHelper.SubTreeRemoved += VisualTreeHelper_ChildRemoved;
LoadedDetectionHelper.Initialize(rootElement);
if (rootElement is Application)
{
var application = rootElement as Application;
if (application.MainPage == null)
{
PropertyChangedEventHandler handler = null;
handler = (s, e) =>
{
if (e.PropertyName == nameof(Application.MainPage))
{
application.PropertyChanged -= handler;
//VisualTreeHelper.Include(application.MainPage);
}
};
application.PropertyChanged += handler;
}
}
StartUiTimer();
initialized = true;
}
}