/// <summary>
/// Attach given <paramref name="rootView"/> to a React instance
/// manager and start the JavaScript application using the JavaScript
/// module provided by the <see cref="ReactRootView.JavaScriptModuleName"/>. If
/// the React context is currently being (re-)created, or if the react
/// context has not been created yet, the JavaScript application
/// associated with the provided root view will be started
/// asynchronously. This view will then be tracked by this manager and
/// in case of React instance restart, it will be re-attached.
/// WARNING! Has to be called by the thread associated with the view.
/// </summary>
/// <param name="rootView">The root view.</param>
public async Task AttachMeasuredRootViewAsync(ReactRootView rootView)
{
if (rootView == null)
{
throw new ArgumentNullException(nameof(rootView));
}
DispatcherHelpers.AssertOnDispatcher(rootView);
rootView.Children.Clear();
rootView.ClearData();
await DispatcherHelpers.CallOnDispatcher(() =>
{
_attachedRootViews.Add(rootView);
// If the React context is being created in the background, the
// JavaScript application will be started automatically when
// creation completes, as root view is part of the attached root
// view list.
var currentReactContext = _currentReactContext;
if (currentReactContext != null)
{
AttachMeasuredRootViewToInstance(rootView, currentReactContext.ReactInstance);
}
return(true);
}, true); // inlining allowed
}
/// <summary>
/// Attach given <paramref name="rootView"/> to a React instance
/// manager and start the JavaScript application using the JavaScript
/// module provided by the <see cref="ReactRootView.JavaScriptModuleName"/>. If
/// the React context is currently being (re-)created, or if the react
/// context has not been created yet, the JavaScript application
/// associated with the provided root view will be started
/// asynchronously. This view will then be tracked by this manager and
/// in case of React instance restart, it will be re-attached.
/// </summary>
/// <param name="rootView">The root view.</param>
public void AttachMeasuredRootView(ReactRootView rootView)
{
if (rootView == null)
{
throw new ArgumentNullException(nameof(rootView));
}
DispatcherHelpers.AssertOnDispatcher();
rootView.Children.Clear();
rootView.ClearData();
_attachedRootViews.Add(rootView);
// If the React context is being created in the background, the
// JavaScript application will be started automatically when
// creation completes, as root view is part of the attached root
// view list.
var currentReactContext = _currentReactContext;
if (_contextInitializationTask == null && currentReactContext != null)
{
AttachMeasuredRootViewToInstance(rootView, currentReactContext.ReactInstance);
}
}
