PrintNotificationHelper.java

/*
   Print Notification Helper
 
   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.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
 
import androidx.core.app.NotificationCompat;
import androidx.core.content.FileProvider;
 
import com.freerdp.freerdpcore.R;
 
import java.io.File;
import java.util.concurrent.atomic.AtomicInteger;
 
public class PrintNotificationHelper
{
  private static final String CHANNEL_ID = "rdp_print";
  private static final String AUTHORITY = "com.freerdp.afreerdp.fileprovider";
  private static final AtomicInteger notifId = new AtomicInteger(1000);
 
  public static void ensureChannel(Context ctx)
  {
    NotificationManager nm = ctx.getSystemService(NotificationManager.class);
    if (nm.getNotificationChannel(CHANNEL_ID) != null)
      return;
    NotificationChannel ch =
        new NotificationChannel(CHANNEL_ID, ctx.getString(R.string.print_notif_channel),
                                NotificationManager.IMPORTANCE_HIGH);
    nm.createNotificationChannel(ch);
  }
 
  public static void notify(Context ctx, File pdfFile)
  {
    ensureChannel(ctx);
 
    Uri uri = FileProvider.getUriForFile(ctx, AUTHORITY, pdfFile);
 
    PendingIntent openIntent = PendingIntent.getActivity(
        ctx, notifId.get(),
        new Intent(Intent.ACTION_VIEW)
            .setDataAndType(uri, "application/pdf")
            .addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION),
        PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_UPDATE_CURRENT);
 
    Intent printLaunch = new Intent(ctx, PrintProxyActivity.class);
    printLaunch.setData(uri);
    printLaunch.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_GRANT_READ_URI_PERMISSION);
    PendingIntent printIntent = PendingIntent.getActivity(
        ctx, notifId.get() + 1, printLaunch,
        PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_UPDATE_CURRENT);
 
    Notification notif = new NotificationCompat.Builder(ctx, CHANNEL_ID)
                             .setSmallIcon(android.R.drawable.ic_dialog_info)
                             .setContentTitle(ctx.getString(R.string.print_notif_title))
                             .setContentText(pdfFile.getName())
                             .setContentIntent(openIntent)
                             .addAction(android.R.drawable.ic_menu_view,
                                        ctx.getString(R.string.print_notif_open), openIntent)
                             .addAction(android.R.drawable.ic_menu_send,
                                        ctx.getString(R.string.print_notif_print), printIntent)
                             .setAutoCancel(true)
                             .build();
 
    NotificationManager nm =
        (NotificationManager)ctx.getSystemService(Context.NOTIFICATION_SERVICE);
    nm.notify(notifId.getAndIncrement(), notif);
  }
}