report_delete_progress (CommonJob    *job,
                        SourceInfo   *source_info,
                        TransferInfo *transfer_info)
{
    int files_left;
    double elapsed, transfer_rate;
    int remaining_time;
    gint64 now;
    char *details;
    char *status;
    DeleteJob *delete_job;

    delete_job = (DeleteJob *) job;
    now = g_get_monotonic_time ();
    files_left = source_info->num_files - transfer_info->num_files;

    /* Races and whatnot could cause this to be negative... */
    if (files_left < 0)
    {
        files_left = 0;
    }

    /* If the number of files left is 0, we want to update the status without
     * considering this time, since we want to change the status to completed
     * and probably we won't get more calls to this function */
    if (transfer_info->last_report_time != 0 &&
        ABS ((gint64) (transfer_info->last_report_time - now)) < 100 * NSEC_PER_MICROSEC &&
        files_left > 0)
    {
        return;
    }

    transfer_info->last_report_time = now;

    if (source_info->num_files == 1)
    {
        if (files_left == 0)
        {
            status = _("Deleted “%B”");
        }
        else
        {
            status = _("Deleting “%B”");
        }
        nautilus_progress_info_take_status (job->progress,
                                            f (status,
                                               (GFile *) delete_job->files->data));
    }
    else
    {
        if (files_left == 0)
        {
            status = ngettext ("Deleted %'d file",
                               "Deleted %'d files",
                               source_info->num_files);
        }
        else
        {
            status = ngettext ("Deleting %'d file",
                               "Deleting %'d files",
                               source_info->num_files);
        }
        nautilus_progress_info_take_status (job->progress,
                                            f (status,
                                               source_info->num_files));
    }

    elapsed = g_timer_elapsed (job->time, NULL);
    transfer_rate = 0;
    remaining_time = INT_MAX;
    if (elapsed > 0)
    {
        transfer_rate = transfer_info->num_files / elapsed;
        if (transfer_rate > 0)
        {
            remaining_time = (source_info->num_files - transfer_info->num_files) / transfer_rate;
        }
    }

    if (elapsed < SECONDS_NEEDED_FOR_RELIABLE_TRANSFER_RATE)
    {
        if (files_left > 0)
        {
            /* To translators: %'d is the number of files completed for the operation,
             * so it will be something like 2/14. */
            details = f (_("%'d / %'d"),
                         transfer_info->num_files + 1,
                         source_info->num_files);
        }
        else
        {
            /* To translators: %'d is the number of files completed for the operation,
             * so it will be something like 2/14. */
            details = f (_("%'d / %'d"),
                         transfer_info->num_files,
                         source_info->num_files);
        }
    }
    else
    {
        if (files_left > 0)
        {
            gchar *time_left_message;
            gchar *files_per_second_message;
            gchar *concat_detail;

            /* To translators: %T will expand to a time duration like "2 minutes".
             * So the whole thing will be something like "1 / 5 -- 2 hours left (4 files/sec)"
             *
             * The singular/plural form will be used depending on the remaining time (i.e. the %T argument).
             */
            time_left_message = ngettext ("%'d / %'d \xE2\x80\x94 %T left",
                                          "%'d / %'d \xE2\x80\x94 %T left",
                                          seconds_count_format_time_units (remaining_time));
            transfer_rate += 0.5;
            files_per_second_message = ngettext ("(%d file/sec)",
                                                 "(%d files/sec)",
                                                 (int) transfer_rate);
            concat_detail = g_strconcat (time_left_message, " ", files_per_second_message, NULL);

            details = f (concat_detail,
                         transfer_info->num_files + 1, source_info->num_files,
                         remaining_time,
                         (int) transfer_rate);

            g_free (concat_detail);
        }
        else
        {
            /* To translators: %'d is the number of files completed for the operation,
             * so it will be something like 2/14. */
            details = f (_("%'d / %'d"),
                         transfer_info->num_files,
                         source_info->num_files);
        }
    }
    nautilus_progress_info_take_details (job->progress, details);

    if (elapsed > SECONDS_NEEDED_FOR_APROXIMATE_TRANSFER_RATE)
    {
        nautilus_progress_info_set_remaining_time (job->progress,
                                                   remaining_time);
        nautilus_progress_info_set_elapsed_time (job->progress,
                                                 elapsed);
    }

    if (source_info->num_files != 0)
    {
        nautilus_progress_info_set_progress (job->progress, transfer_info->num_files, source_info->num_files);
    }
}