/* GrandPerspective, Version 3.7.1 
 *   A utility for macOS that graphically shows disk usage. 
 * Copyright (C) 2005-2025, Erwin Bonsma 
 * 
 * This program is free software; you can redistribute it and/or modify it 
 * under the terms of the GNU General Public License as published by the Free 
 * Software Foundation; either version 2 of the License, or (at your option) 
 * any later version. 
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT 
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for 
 * more details. 
 * 
 * You should have received a copy of the GNU General Public License along 
 * with this program; if not, write to the Free Software Foundation, Inc., 
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA. 
 */

#import "ReadProgressTracker.h"

@implementation ReadProgressTracker

- (instancetype) initWithInputFile:(NSURL *)inputFile {
  if (self = [super init]) {
    inputFileSize = [[NSFileManager.defaultManager attributesOfItemAtPath: inputFile.path
                                                                    error: nil] fileSize];
    bytesRead = 0;
  }

  return self;
}

- (void) processingFolder:(DirectoryItem *)dirItem bytesRead:(unsigned long long)bytesReadVal {
  [mutex lock];

  // For efficiency, call internal method that assumes mutex has been locked.
  [self _processingFolder: dirItem];

  bytesRead = bytesReadVal;

  [mutex unlock];
}


- (float) estimatedProgress {
  return inputFileSize > 0 ? 100.0 * bytesRead / inputFileSize : 0;
}

@end
