/// <summary>
/// Moves a file from a given source url location to a given destination url.
/// </summary>
/// <returns><c>true</c>, if file was moved, <c>false</c> otherwise.</returns>
/// <param name="fromURL">From UR.</param>
/// <param name="toURL">To UR.</param>
private bool MoveFile(string fromURL, string toURL) {
bool successful = true;
// Get source options
var srcURL = NSUrl.FromFilename (fromURL);
var srcIntent = NSFileAccessIntent.CreateReadingIntent (srcURL, NSFileCoordinatorReadingOptions.ForUploading);
// Get destination options
var dstURL = NSUrl.FromFilename (toURL);
var dstIntent = NSFileAccessIntent.CreateReadingIntent (dstURL, NSFileCoordinatorReadingOptions.ForUploading);
// Create an array
var intents = new NSFileAccessIntent[] {
srcIntent,
dstIntent
};
// Initialize a file coordination with intents
var queue = new NSOperationQueue ();
var fileCoordinator = new NSFileCoordinator ();
fileCoordinator.CoordinateAccess (intents, queue, (err) => {
// Was there an error?
if (err!=null) {
// Yes, inform caller
Console.WriteLine("Error: {0}",err.LocalizedDescription);
successful = false;
}
});
// Return successful
return successful;
}
/// <summary>
/// Moves a file from a given source url location to a given destination url.
/// </summary>
/// <returns><c>true</c>, if file was moved, <c>false</c> otherwise.</returns>
/// <param name="fromURL">From UR.</param>
/// <param name="toURL">To UR.</param>
private bool MoveFile(string fromURL, string toURL)
{
bool successful = true;
// Get source options
var srcURL = NSUrl.FromFilename(fromURL);
var srcIntent = NSFileAccessIntent.CreateReadingIntent(srcURL, NSFileCoordinatorReadingOptions.ForUploading);
// Get destination options
var dstURL = NSUrl.FromFilename(toURL);
var dstIntent = NSFileAccessIntent.CreateReadingIntent(dstURL, NSFileCoordinatorReadingOptions.ForUploading);
// Create an array
var intents = new NSFileAccessIntent[] {
srcIntent,
dstIntent
};
// Initialize a file coordination with intents
var queue = new NSOperationQueue();
var fileCoordinator = new NSFileCoordinator();
fileCoordinator.CoordinateAccess(intents, queue, (err) => {
// Was there an error?
if (err != null)
{
// Yes, inform caller
Console.WriteLine("Error: {0}", err.LocalizedDescription);
successful = false;
}
});
// Return successful
return(successful);
}
public override async Task DeleteAsync(CancellationToken ct, StorageDeleteOption options)
{
var intent = NSFileAccessIntent.CreateWritingIntent(_nsUrl, NSFileCoordinatorWritingOptions.ForDeleting);
using var coordinator = new NSFileCoordinator();
await coordinator.CoordinateAsync(new[] { intent }, new NSOperationQueue(), () =>
{
using var _ = _nsUrl.BeginSecurityScopedAccess();
NSError deleteError;
NSFileManager.DefaultManager.Remove(_nsUrl, out deleteError);
if (deleteError != null)
{
throw new UnauthorizedAccessException($"Can't delete file. {deleteError}");
}
});
}
public static async Task <FileResult[]> EnsurePhysicalFileResultsAsync(params NSUrl[] urls)
{
if (urls == null || urls.Length == 0)
{
return(Array.Empty <FileResult>());
}
var opts = NSFileCoordinatorReadingOptions.WithoutChanges;
var intents = urls.Select(x => NSFileAccessIntent.CreateReadingIntent(x, opts)).ToArray();
using var coordinator = new NSFileCoordinator();
var tcs = new TaskCompletionSource <FileResult[]>();
coordinator.CoordinateAccess(intents, new NSOperationQueue(), error =>
{
if (error != null)
{
tcs.TrySetException(new NSErrorException(error));
return;
}
var bookmarks = new List <FileResult>();
foreach (var intent in intents)
{
var url = intent.Url;
var result = new BookmarkDataFileResult(url);
bookmarks.Add(result);
}
tcs.TrySetResult(bookmarks.ToArray());
});
return(await tcs.Task);
}
