static AppTheme PlatformRequestedTheme()
{
if (!Platform.HasOSVersion(13, 0))
{
return(AppTheme.Unspecified);
}
var uiStyle = Platform.GetCurrentUIViewController()?.TraitCollection?.UserInterfaceStyle ??
UITraitCollection.CurrentTraitCollection.UserInterfaceStyle;
return(uiStyle switch
{
UIUserInterfaceStyle.Light => AppTheme.Light,
UIUserInterfaceStyle.Dark => AppTheme.Dark,
_ => AppTheme.Unspecified
});
static Task PlatformOpenAsync(OpenFileRequest request)
{
documentController = new UIDocumentInteractionController()
{
Name = request.File.FileName,
Url = NSUrl.FromFilename(request.File.FullPath),
Uti = request.File.ContentType
};
var view = Platform.GetCurrentUIViewController().View;
var rect = DeviceInfo.Idiom == DeviceIdiom.Tablet
? new CGRect(new CGPoint(view.Bounds.Width / 2, view.Bounds.Height), CGRect.Empty.Size)
: view.Bounds;
documentController.PresentOpenInMenu(rect, view, true);
return(Task.CompletedTask);
}
internal static async Task <WebAuthenticatorResult> PlatformAuthenticateAsync(Uri url, Uri callbackUrl)
{
// Cancel any previous task that's still pending
if (tcsResponse?.Task != null && !tcsResponse.Task.IsCompleted)
{
tcsResponse.TrySetCanceled();
}
tcsResponse = new TaskCompletionSource <WebAuthenticatorResult>();
redirectUri = callbackUrl;
try
{
var scheme = redirectUri.Scheme;
if (!VerifyHasUrlSchemeOrDoesntRequire(scheme))
{
tcsResponse.TrySetException(new InvalidOperationException("You must register your URL Scheme handler in your app's Info.plist!"));
return(await tcsResponse.Task);
}
#if __IOS__
void AuthSessionCallback(NSUrl cbUrl, NSError error)
{
if (error == null)
{
OpenUrl(cbUrl);
}
else
{
tcsResponse.TrySetException(new NSErrorException(error));
}
}
if (UIDevice.CurrentDevice.CheckSystemVersion(12, 0))
{
was = new ASWebAuthenticationSession(new NSUrl(url.OriginalString), scheme, AuthSessionCallback);
if (UIDevice.CurrentDevice.CheckSystemVersion(13, 0))
{
var ctx = new ContextProvider(Platform.GetCurrentWindow());
void_objc_msgSend_IntPtr(was.Handle, ObjCRuntime.Selector.GetHandle("setPresentationContextProvider:"), ctx.Handle);
}
using (was)
{
was.Start();
return(await tcsResponse.Task);
}
}
if (UIDevice.CurrentDevice.CheckSystemVersion(11, 0))
{
sf = new SFAuthenticationSession(new NSUrl(url.OriginalString), scheme, AuthSessionCallback);
using (sf)
{
sf.Start();
return(await tcsResponse.Task);
}
}
// THis is only on iOS9+ but we only support 10+ in Essentials anyway
var controller = new SFSafariViewController(new NSUrl(url.OriginalString), false)
{
Delegate = new NativeSFSafariViewControllerDelegate
{
DidFinishHandler = (svc) =>
{
// Cancel our task if it wasn't already marked as completed
if (!(tcsResponse?.Task?.IsCompleted ?? true))
{
tcsResponse.TrySetException(new OperationCanceledException());
}
}
},
};
currentViewController = controller;
await Platform.GetCurrentUIViewController().PresentViewControllerAsync(controller, true);
return(await tcsResponse.Task);
#else
var opened = UIApplication.SharedApplication.OpenUrl(url);
if (!opened)
{
tcsResponse.TrySetException(new Exception("Error opening Safari"));
}
#endif
}
catch (Exception ex)
{
tcsResponse.TrySetException(ex);
}
return(await tcsResponse.Task);
}
