PrintJobMonitor.java

/*
   Print Job Monitor
 
   Copyright 2026 Ibrahim Sevinc
 
   This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
   If a copy of the MPL was not distributed with this file, You can obtain one at
   http://mozilla.org/MPL/2.0/.
*/
 
package com.freerdp.freerdpcore.presentation;
 
import android.os.FileObserver;
 
import androidx.annotation.Nullable;
 
import java.io.File;
 
public class PrintJobMonitor extends FileObserver
{
  public interface Listener
  {
    void onPrintJobComplete(File pdfFile);
  }
 
  private static final String WATCH_DIR = "/sdcard/Download";
  private static final String PREFIX = "rdp_print_";
  private static final String SUFFIX = ".pdf";
 
  private final Listener listener;
 
  public PrintJobMonitor(Listener listener)
  {
    super(new File(WATCH_DIR), CLOSE_WRITE);
    this.listener = listener;
  }
 
  @Override public void onEvent(int event, @Nullable String path)
  {
    if (path == null)
      return;
    if (!path.startsWith(PREFIX) || !path.endsWith(SUFFIX))
      return;
    listener.onPrintJobComplete(new File(WATCH_DIR, path));
  }
}