/// <param name="callback">The callback routine to call on progress</param>
public override void DoOperation(IOProgressCallback callback)
{
if (string.IsNullOrEmpty(FileName) || string.IsNullOrEmpty(TransferDestination))
throw new InvalidOperationException("FileName and TransferDestination cannot be blank or null.");
PrepareDirectory();
CopyFileFlags flags = CopyFileFlags.COPY_FILE_ALLOW_DECRYPTED_DESTINATION;
if (!this.Overwrite)
flags = flags | CopyFileFlags.COPY_FILE_FAIL_IF_EXISTS;
FileCopier.Copy(Path.GetFullPath(FileName), Path.GetFullPath(TransferDestination), flags, callback);
}
/// <summary>
/// Copies the specified file to the specified destination path
/// </summary>
/// <param name="source">The file to copy</param>
/// <param name="destination">The path and file name to copy the file to</param>
/// <param name="progressHandler">A <see cref="IOProgressCallback"/> to report progress to</param>
/// <param name="flags">A <see cref="CopyFileFlags"/> indicating copy options</param>
private static void Copy(string source, string destination, CopyFileFlags flags, IOProgressCallback progressHandler, ref bool cancel)
{
source = Path.GetFullPath(source); destination = Path.GetFullPath(destination);
unsafe
{
fixed (Boolean* cancelp = &cancel)
{
CopyProgressRoutine routine = (total, transferred, streamSize, StreamByteTrans, dwStreamNumber, reason, hSourceFile, hDestinationFile, lpData) => {
if (progressHandler != null)
{
return progressHandler(total - transferred, transferred, source, destination);
}
return IOProgressResult.PROGRESS_CONTINUE;
};
if (!CopyFileEx(source, destination, routine, IntPtr.Zero, cancelp, flags))
{
HandleCopyExError(source, destination, Marshal.GetLastWin32Error());
}
}
}
}
/// <param name="callback">The callback routine to call on progress</param>
public override void DoOperation(IOProgressCallback callback)
{
if (string.IsNullOrEmpty(FileName) || string.IsNullOrEmpty(TransferDestination))
throw new InvalidOperationException("FileName and TransferDestination cannot be blank or null.");
//Moves on the same volume should be so fast we can treat them as deletes or renames,
//no progress needed. On other volumes, just fake the move and use the copy system.
if (IsSameVolume)
{
PrepareDirectory();
File.Move(FileName, TransferDestination);
}
else
{
base.DoOperation(callback);
File.Delete(FileName);
}
if (DeleteEmptyFolder && Directory.GetFileSystemEntries(Path.GetDirectoryName(FileName)).Length == 0)
{
Directory.Delete(Path.GetDirectoryName(FileName));
}
}
internal static void Copy(string source, string destination, CopyFileFlags flags, IOProgressCallback progressHandler)
{
bool dummy = false; //Cancel is handled exclusively via progressHandler
Copy(source, destination, flags, progressHandler, ref dummy);
}
private void ProcessOperation(IOOperation operation)
{
lock (statLock)
bytesPending -= operation.EffectiveFileSize;
try
{
//Copy operations get some special callbacks and tracking
OngoingOperation progressOp = operation as OngoingOperation;
if (progressOp != null)
{
IOProgressCallback copyCall = new IOProgressCallback((pending, transferred, sourceFile, destinationFile) => {
OperationProgressDetails details = new OperationProgressDetails(operation, transferred, pending);
activeOperations[operation] = details;
OnProgress(details);
//TODO: potentially add in-file pause to this? Right now we only support one in-file operation: cancel.
if (State == OperationState.Terminated)
return IOProgressResult.PROGRESS_CANCEL;
else
return IOProgressResult.PROGRESS_CONTINUE;
});
progressOp.DoOperation(copyCall);
}
else
{
operation.DoOperation();
}
}
catch (Exception e) //We're catching everything (*gasp!*) so we can bubble it up without blowing up stacks of threads.
{
OnProgress(new OperationProgressDetails(operation, e));
}
finally
{
lock(statLock)
{
if (operation.EffectiveFileSize > 0 && activeOperations.ContainsKey(operation))
activeOperations.Remove(operation);
bytesProcessed += operation.EffectiveFileSize;
operationsProcessed += 1;
}
//Notify the caller that the operation has completed
OnProgress(new OperationProgressDetails(operation, true));
}
}
public abstract void DoOperation(IOProgressCallback callback);
