private void StartWebViewCoreIfPossible()
{
if (!RequiredStartupPropertiesSet ||
_webviewManager != null)
{
return;
}
if (NativeView == null)
{
throw new InvalidOperationException($"Can't start {nameof(BlazorWebView)} without native web view instance.");
}
// We assume the host page is always in the root of the content directory, because it's
// unclear there's any other use case. We can add more options later if so.
var contentRootDir = Path.GetDirectoryName(HostPage !) ?? string.Empty;
var hostPageRelativePath = Path.GetRelativePath(contentRootDir, HostPage !);
// On WinUI we override HandleWebResourceRequest in WinUIWebViewManager so that loading static assets is done entirely there in an async manner.
// This allows the code to be async because in WinUI all the file storage APIs are async-only, but IFileProvider is sync-only and we need to control
// the precedence of which files are loaded from where.
var customFileProvider = VirtualView.CreateFileProvider(contentRootDir) ?? new NullFileProvider();
_webviewManager = new WinUIWebViewManager(NativeView, new WinUIWebView2Wrapper(NativeView), Services !, ComponentsDispatcher, customFileProvider, VirtualView.JSComponents, hostPageRelativePath, contentRootDir);
if (RootComponents != null)
{
foreach (var rootComponent in RootComponents)
{
// Since the page isn't loaded yet, this will always complete synchronously
_ = rootComponent.AddToWebViewManagerAsync(_webviewManager);
}
}
_webviewManager.Navigate("/");
}
private void StartWebViewCoreIfPossible()
{
if (!RequiredStartupPropertiesSet ||
_webviewManager != null)
{
return;
}
if (PlatformView == null)
{
throw new InvalidOperationException($"Can't start {nameof(BlazorWebView)} without native web view instance.");
}
// We assume the host page is always in the root of the content directory, because it's
// unclear there's any other use case. We can add more options later if so.
var contentRootDir = Path.GetDirectoryName(HostPage !) ?? string.Empty;
var hostPageRelativePath = Path.GetRelativePath(contentRootDir, HostPage !);
var fileProvider = VirtualView.CreateFileProvider(contentRootDir);
_webviewManager = new IOSWebViewManager(this, PlatformView, Services !, ComponentsDispatcher, fileProvider, VirtualView.JSComponents, hostPageRelativePath);
if (RootComponents != null)
{
foreach (var rootComponent in RootComponents)
{
// Since the page isn't loaded yet, this will always complete synchronously
_ = rootComponent.AddToWebViewManagerAsync(_webviewManager);
}
}
_webviewManager.Navigate("/");
}