public override IAsyncAction DeleteAsync()
{
return(AsyncInfo.Run(async(cancellationToken) =>
{
if (!NativeFileOperationsHelper.DeleteFileFromApp(Path))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}));
}
public static void WriteFileTag(string filePath, string tag)
{
if (tag == null)
{
NativeFileOperationsHelper.DeleteFileFromApp($"{filePath}:files");
}
else if (ReadFileTag(filePath) != tag)
{
NativeFileOperationsHelper.WriteStringToFile($"{filePath}:files", tag);
}
}
public static void WriteFileTag(string filePath, string tag)
{
var isReadOnly = NativeFileOperationsHelper.HasFileAttribute(filePath, System.IO.FileAttributes.ReadOnly);
if (isReadOnly) // Unset read-only attribute (#7534)
{
NativeFileOperationsHelper.UnsetFileAttribute(filePath, System.IO.FileAttributes.ReadOnly);
}
if (tag == null)
{
NativeFileOperationsHelper.DeleteFileFromApp($"{filePath}:files");
}
else if (ReadFileTag(filePath) != tag)
{
NativeFileOperationsHelper.WriteStringToFile($"{filePath}:files", tag);
}
if (isReadOnly) // Restore read-only attribute (#7534)
{
NativeFileOperationsHelper.SetFileAttribute(filePath, System.IO.FileAttributes.ReadOnly);
}
}
public async Task <IStorageHistory> DeleteAsync(IStorageItemWithPath source,
IProgress <float> progress,
IProgress <FileSystemStatusCode> errorCode,
bool permanently,
CancellationToken cancellationToken)
{
bool deleteFromRecycleBin = recycleBinHelpers.IsPathUnderRecycleBin(source.Path);
FilesystemResult fsResult = FileSystemStatusCode.InProgress;
errorCode?.Report(fsResult);
progress?.Report(0.0f);
if (permanently)
{
fsResult = (FilesystemResult)NativeFileOperationsHelper.DeleteFileFromApp(source.Path);
}
if (!fsResult)
{
if (source.ItemType == FilesystemItemType.File)
{
fsResult = await associatedInstance.FilesystemViewModel.GetFileFromPathAsync(source.Path)
.OnSuccess((t) => t.DeleteAsync(permanently ? StorageDeleteOption.PermanentDelete : StorageDeleteOption.Default).AsTask());
}
else if (source.ItemType == FilesystemItemType.Directory)
{
fsResult = await associatedInstance.FilesystemViewModel.GetFolderFromPathAsync(source.Path)
.OnSuccess((t) => t.DeleteAsync(permanently ? StorageDeleteOption.PermanentDelete : StorageDeleteOption.Default).AsTask());
}
}
errorCode?.Report(fsResult);
if (fsResult == FileSystemStatusCode.Unauthorized)
{
// Try again with fulltrust process (non admin: for shortcuts and hidden files)
if (associatedInstance.ServiceConnection != null)
{
var(status, response) = await associatedInstance.ServiceConnection.SendMessageForResponseAsync(new ValueSet()
{
{ "Arguments", "FileOperation" },
{ "fileop", "DeleteItem" },
{ "filepath", source.Path },
{ "permanently", permanently }
});
fsResult = (FilesystemResult)(status == AppServiceResponseStatus.Success &&
response.Get("Success", false));
}
if (!fsResult)
{
fsResult = await PerformAdminOperation(new ValueSet()
{
{ "Arguments", "FileOperation" },
{ "fileop", "DeleteItem" },
{ "filepath", source.Path },
{ "permanently", permanently }
});
}
}
else if (fsResult == FileSystemStatusCode.InUse)
{
// TODO: retry or show dialog
await DialogDisplayHelper.ShowDialogAsync("FileInUseDeleteDialog/Title".GetLocalized(), "FileInUseDeleteDialog/Text".GetLocalized());
}
if (deleteFromRecycleBin)
{
// Recycle bin also stores a file starting with $I for each item
string iFilePath = Path.Combine(Path.GetDirectoryName(source.Path), Path.GetFileName(source.Path).Replace("$R", "$I"));
await associatedInstance.FilesystemViewModel.GetFileFromPathAsync(iFilePath)
.OnSuccess(t => t.DeleteAsync(StorageDeleteOption.PermanentDelete).AsTask());
}
errorCode?.Report(fsResult);
progress?.Report(100.0f);
if (fsResult)
{
await associatedInstance.FilesystemViewModel.RemoveFileOrFolderAsync(source.Path);
if (!permanently)
{
// Enumerate Recycle Bin
List <ShellFileItem> items = await recycleBinHelpers.EnumerateRecycleBin();
List <ShellFileItem> nameMatchItems = new List <ShellFileItem>();
// Get name matching files
if (items != null)
{
if (Path.GetExtension(source.Path) == ".lnk" || Path.GetExtension(source.Path) == ".url") // We need to check if it is a shortcut file
{
nameMatchItems = items.Where((item) => item.FilePath == Path.Combine(Path.GetDirectoryName(source.Path), Path.GetFileNameWithoutExtension(source.Path))).ToList();
}
else
{
nameMatchItems = items.Where((item) => item.FilePath == source.Path).ToList();
}
}
// Get newest file
ShellFileItem item = nameMatchItems.Where((item) => item.RecycleDate != null).OrderBy((item) => item.RecycleDate).FirstOrDefault();
return(new StorageHistory(FileOperationType.Recycle, source, StorageItemHelpers.FromPathAndType(item?.RecyclePath, source.ItemType)));
}
return(new StorageHistory(FileOperationType.Delete, source, null));
}
else
{
// Stop at first error
return(null);
}
}
private async Task PasteItemAsync(DataPackageView packageView, string destinationPath, DataPackageOperation acceptedOperation, IShellPage AppInstance, IProgress <uint> progress)
{
if (!packageView.Contains(StandardDataFormats.StorageItems))
{
// Happens if you copy some text and then you Ctrl+V in FilesUWP
// Should this be done in ModernShellPage?
return;
}
IReadOnlyList <IStorageItem> itemsToPaste = await packageView.GetStorageItemsAsync();
if (AppInstance.FilesystemViewModel.WorkingDirectory.StartsWith(App.AppSettings.RecycleBinPath))
{
// Do not paste files and folders inside the recycle bin
await DialogDisplayHelper.ShowDialogAsync("ErrorDialogThisActionCannotBeDone".GetLocalized(), "ErrorDialogUnsupportedOperation".GetLocalized());
return;
}
List <IStorageItem> pastedSourceItems = new List <IStorageItem>();
HashSet <IStorageItem> pastedItems = new HashSet <IStorageItem>();
var totalItemsSize = CalculateTotalItemsSize(itemsToPaste);
bool isItemSizeUnreported = totalItemsSize <= 0;
foreach (IStorageItem item in itemsToPaste)
{
if (item.IsOfType(StorageItemTypes.Folder))
{
if (!string.IsNullOrEmpty(item.Path) && destinationPath.IsSubPathOf(item.Path))
{
ImpossibleActionResponseTypes responseType = ImpossibleActionResponseTypes.Abort;
/// Currently following implementation throws exception until it is resolved keep it disabled
/*Binding themeBind = new Binding();
* themeBind.Source = ThemeHelper.RootTheme;
*
* ContentDialog dialog = new ContentDialog()
* {
* Title = ResourceController.GetTranslation("ErrorDialogThisActionCannotBeDone"),
* Content = ResourceController.GetTranslation("ErrorDialogTheDestinationFolder") + " (" + destinationPath.Split(Path.DirectorySeparatorChar, StringSplitOptions.RemoveEmptyEntries).Last() + ") " + ResourceController.GetTranslation("ErrorDialogIsASubfolder") + " (" + item.Name + ")",
* PrimaryButtonText = ResourceController.GetTranslation("ErrorDialogSkip"),
* CloseButtonText = ResourceController.GetTranslation("ErrorDialogCancel"),
* PrimaryButtonCommand = new RelayCommand(() => { responseType = ImpossibleActionResponseTypes.Skip; }),
* CloseButtonCommand = new RelayCommand(() => { responseType = ImpossibleActionResponseTypes.Abort; }),
* };
* BindingOperations.SetBinding(dialog, FrameworkElement.RequestedThemeProperty, themeBind);
*
* await dialog.ShowAsync();*/
if (responseType == ImpossibleActionResponseTypes.Skip)
{
continue;
}
else if (responseType == ImpossibleActionResponseTypes.Abort)
{
return;
}
}
else
{
if (!isItemSizeUnreported)
{
var pastedItemSize = await Task.Run(() => CalculateTotalItemsSize(pastedSourceItems));
uint progressValue = (uint)(pastedItemSize * 100 / totalItemsSize);
progress.Report(progressValue);
}
await AppInstance.FilesystemViewModel.GetFolderFromPathAsync(destinationPath)
.OnSuccess(t => CloneDirectoryAsync((StorageFolder)item, t, item.Name))
.OnSuccess(t =>
{
pastedSourceItems.Add(item);
pastedItems.Add(t);
});
}
}
else if (item.IsOfType(StorageItemTypes.File))
{
if (!isItemSizeUnreported)
{
var pastedItemSize = await Task.Run(() => CalculateTotalItemsSize(pastedSourceItems));
uint progressValue = (uint)(pastedItemSize * 100 / totalItemsSize);
progress.Report(progressValue);
}
var res = await AppInstance.FilesystemViewModel.GetFolderFromPathAsync(destinationPath);
if (res)
{
StorageFile clipboardFile = (StorageFile)item;
var pasted = await FilesystemTasks.Wrap(() => clipboardFile.CopyAsync(res.Result, item.Name, NameCollisionOption.GenerateUniqueName).AsTask());
if (pasted)
{
pastedSourceItems.Add(item);
pastedItems.Add(pasted.Result);
}
else if (pasted.ErrorCode == FilesystemErrorCode.ERROR_UNAUTHORIZED)
{
// Try again with CopyFileFromApp
if (NativeFileOperationsHelper.CopyFileFromApp(item.Path, Path.Combine(destinationPath, item.Name), true))
{
pastedSourceItems.Add(item);
}
else
{
Debug.WriteLine(System.Runtime.InteropServices.Marshal.GetLastWin32Error());
}
}
else if (pasted.ErrorCode == FilesystemErrorCode.ERROR_NOTFOUND)
{
// File was moved/deleted in the meantime
continue;
}
}
}
}
if (!isItemSizeUnreported)
{
var finalPastedItemSize = await Task.Run(() => CalculateTotalItemsSize(pastedSourceItems));
uint finalProgressValue = (uint)(finalPastedItemSize * 100 / totalItemsSize);
progress.Report(finalProgressValue);
}
else
{
progress.Report(100);
}
if (acceptedOperation == DataPackageOperation.Move)
{
foreach (IStorageItem item in pastedSourceItems)
{
var deleted = (FilesystemResult)false;
if (string.IsNullOrEmpty(item.Path))
{
// Can't move (only copy) files from MTP devices because:
// StorageItems returned in DataPackageView are read-only
// The item.Path property will be empty and there's no way of retrieving a new StorageItem with R/W access
continue;
}
if (item.IsOfType(StorageItemTypes.File))
{
// If we reached this we are not in an MTP device, using StorageFile.* is ok here
deleted = await AppInstance.FilesystemViewModel.GetFileFromPathAsync(item.Path)
.OnSuccess(t => t.DeleteAsync(StorageDeleteOption.PermanentDelete).AsTask());
}
else if (item.IsOfType(StorageItemTypes.Folder))
{
// If we reached this we are not in an MTP device, using StorageFolder.* is ok here
deleted = await AppInstance.FilesystemViewModel.GetFolderFromPathAsync(item.Path)
.OnSuccess(t => t.DeleteAsync(StorageDeleteOption.PermanentDelete).AsTask());
}
if (deleted == FilesystemErrorCode.ERROR_UNAUTHORIZED)
{
// Try again with DeleteFileFromApp
if (!NativeFileOperationsHelper.DeleteFileFromApp(item.Path))
{
Debug.WriteLine(System.Runtime.InteropServices.Marshal.GetLastWin32Error());
}
}
else if (deleted == FilesystemErrorCode.ERROR_NOTFOUND)
{
// File or Folder was moved/deleted in the meantime
continue;
}
}
}
if (destinationPath == AppInstance.FilesystemViewModel.WorkingDirectory)
{
List <string> pastedItemPaths = pastedItems.Select(item => item.Path).ToList();
List <ListedItem> copiedItems = AppInstance.FilesystemViewModel.FilesAndFolders.Where(listedItem => pastedItemPaths.Contains(listedItem.ItemPath)).ToList();
if (copiedItems.Any())
{
AppInstance.ContentPage.SetSelectedItemsOnUi(copiedItems);
AppInstance.ContentPage.FocusSelectedItems();
}
}
packageView.ReportOperationCompleted(acceptedOperation);
}
private async Task <FilesystemResult> DeleteItemAsync(StorageDeleteOption deleteOption, IShellPage AppInstance, IProgress <uint> progress)
{
var deleted = (FilesystemResult)false;
var deleteFromRecycleBin = AppInstance.FilesystemViewModel.WorkingDirectory.StartsWith(App.AppSettings.RecycleBinPath);
List <ListedItem> selectedItems = new List <ListedItem>();
foreach (ListedItem selectedItem in AppInstance.ContentPage.SelectedItems)
{
selectedItems.Add(selectedItem);
}
if (App.AppSettings.ShowConfirmDeleteDialog == true) //check if the setting to show a confirmation dialog is on
{
var dialog = new ConfirmDeleteDialog(deleteFromRecycleBin, deleteOption, AppInstance.ContentPage.SelectedItemsPropertiesViewModel);
await dialog.ShowAsync();
if (dialog.Result != MyResult.Delete) //delete selected item(s) if the result is yes
{
return((FilesystemResult)true); //return if the result isn't delete
}
deleteOption = dialog.PermanentlyDelete;
}
int itemsDeleted = 0;
foreach (ListedItem storItem in selectedItems)
{
uint progressValue = (uint)(itemsDeleted * 100.0 / selectedItems.Count);
if (selectedItems.Count > 3)
{
progress.Report(progressValue);
}
if (storItem.PrimaryItemAttribute == StorageItemTypes.File)
{
deleted = await AppInstance.FilesystemViewModel.GetFileFromPathAsync(storItem.ItemPath)
.OnSuccess(t => t.DeleteAsync(deleteOption).AsTask());
}
else
{
deleted = await AppInstance.FilesystemViewModel.GetFolderFromPathAsync(storItem.ItemPath)
.OnSuccess(t => t.DeleteAsync(deleteOption).AsTask());
}
if (deleted.ErrorCode == FilesystemErrorCode.ERROR_UNAUTHORIZED)
{
if (deleteOption == StorageDeleteOption.Default)
{
// Try again with fulltrust process
if (AppInstance.FilesystemViewModel.Connection != null)
{
var response = await AppInstance.FilesystemViewModel.Connection.SendMessageAsync(new ValueSet()
{
{ "Arguments", "FileOperation" },
{ "fileop", "MoveToBin" },
{ "filepath", storItem.ItemPath }
});
deleted = (FilesystemResult)(response.Status == Windows.ApplicationModel.AppService.AppServiceResponseStatus.Success);
}
}
else
{
// Try again with DeleteFileFromApp
if (!NativeFileOperationsHelper.DeleteFileFromApp(storItem.ItemPath))
{
Debug.WriteLine(System.Runtime.InteropServices.Marshal.GetLastWin32Error());
}
else
{
deleted = (FilesystemResult)true;
}
}
}
else if (deleted.ErrorCode == FilesystemErrorCode.ERROR_INUSE)
{
// TODO: retry or show dialog
await DialogDisplayHelper.ShowDialogAsync("FileInUseDeleteDialog/Title".GetLocalized(), "FileInUseDeleteDialog/Text".GetLocalized());
}
if (deleteFromRecycleBin)
{
// Recycle bin also stores a file starting with $I for each item
var iFilePath = Path.Combine(Path.GetDirectoryName(storItem.ItemPath), Path.GetFileName(storItem.ItemPath).Replace("$R", "$I"));
await AppInstance.FilesystemViewModel.GetFileFromPathAsync(iFilePath)
.OnSuccess(t => t.DeleteAsync(StorageDeleteOption.PermanentDelete).AsTask());
}
if (deleted)
{
await AppInstance.FilesystemViewModel.RemoveFileOrFolderAsync(storItem);
itemsDeleted++;
}
else
{
// Stop at first error
return(deleted);
}
}
return((FilesystemResult)true);
}