internal async Task <XF.Page> BuildPage(Type componentType)
        {
            var container = new RootContainerHandler();
            var route     = NavigationParameters[componentType];

#pragma warning disable CA2000 // Dispose objects before losing scope. Renderer is disposed when page is closed.
            var renderer = new MobileBlazorBindingsRenderer(_services, _services.GetRequiredService <ILoggerFactory>());
#pragma warning restore CA2000 // Dispose objects before losing scope

            var addComponentTask = renderer.AddComponent(componentType, container, route.Parameters);
            var elementAddedTask = container.WaitForElementAsync();

            await Task.WhenAny(addComponentTask, elementAddedTask).ConfigureAwait(false);

            if (container.Elements.Count != 1)
            {
                throw new InvalidOperationException("The target component of a Shell navigation must have exactly one root element.");
            }

            var page = container.Elements.FirstOrDefault() as XF.Page
                       ?? throw new InvalidOperationException("The target component of a Shell navigation must derive from the Page component.");

            DisposeRendererWhenPageIsClosed(renderer, page);

            return(page);
        }
Ejemplo n.º 2
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        internal async Task <XF.Page> BuildPage(Type componentType)
        {
            var container = new RootContainerHandler();
            var route     = NavigationParameters[componentType];
            var renderer  = _services.GetRequiredService <MobileBlazorBindingsRenderer>();

            await renderer.AddComponent(componentType, container, route.Parameters).ConfigureAwait(false);

            if (container.Elements.Count != 1)
            {
                throw new InvalidOperationException("The target component of a Shell navigation must have exactly one root element.");
            }

            var page = container.Elements.FirstOrDefault() as XF.Page;

            return(page ?? throw new InvalidOperationException("The target component of a Shell navigation must derive from the Page component."));
        }
        internal async Task <MC.Page> BuildPage(Type componentType)
        {
#pragma warning disable CA2000 // Dispose objects before losing scope. Scope is disposed when page is closed.
            var scope = _services.CreateScope();
#pragma warning restore CA2000 // Dispose objects before losing scope
            var serviceProvider = scope.ServiceProvider;

            var container = new RootContainerHandler();
            var route     = NavigationParameters[componentType];

            var renderer = serviceProvider.GetRequiredService <MobileBlazorBindingsRenderer>();

            var convertedParameters = ConvertParameters(componentType, route.Parameters);
            var addComponentTask    = renderer.AddComponent(componentType, container, convertedParameters);
            var elementAddedTask    = container.WaitForElementAsync();

            await Task.WhenAny(addComponentTask, elementAddedTask).ConfigureAwait(false);

            if (container.Elements.Count != 1)
            {
                throw new InvalidOperationException("The target component of a Shell navigation must have exactly one root element.");
            }

            var page = container.Elements.FirstOrDefault() as MC.Page
                       ?? throw new InvalidOperationException("The target component of a Shell navigation must derive from the Page component.");

            page.ParentChanged += DisposeScopeWhenParentRemoved;

            return(page);

            void DisposeScopeWhenParentRemoved(object _, EventArgs __)
            {
                if (page.Parent is null)
                {
                    scope.Dispose();
                    page.ParentChanged -= DisposeScopeWhenParentRemoved;
                }
            }
        }