package eu.siacs.conversations.entities;

import java.util.Arrays;
import java.util.List;

public interface Transferable {

    List<String> VALID_IMAGE_EXTENSIONS = Arrays.asList("webp", "jpeg", "jpg", "png", "jpe");
    List<String> VALID_CRYPTO_EXTENSIONS = Arrays.asList("pgp", "gpg");

    int GCM_AUTHENTICATION_TAG_LENGTH = 16;

    int STATUS_UNKNOWN = 0x200;
    int STATUS_CHECKING = 0x201;
    int STATUS_FAILED = 0x202;
    int STATUS_OFFER = 0x203;
    int STATUS_DOWNLOADING = 0x204;
    int STATUS_OFFER_CHECK_FILESIZE = 0x206;
    int STATUS_UPLOADING = 0x207;
    int STATUS_CANCELLED = 0x208;

    boolean start();

    int getStatus();

    Long getFileSize();

    int getProgress();

    void cancel();
}