1package eu.siacs.conversations.entities;
 2
 3public interface Downloadable {
 4
 5	public final String[] VALID_EXTENSIONS = { "webp", "jpeg", "jpg", "png" };
 6	public final String[] VALID_CRYPTO_EXTENSIONS = { "pgp", "gpg", "otr" };
 7
 8	public static final int STATUS_UNKNOWN = 0x200;
 9	public static final int STATUS_CHECKING = 0x201;
10	public static final int STATUS_FAILED = 0x202;
11	public static final int STATUS_OFFER = 0x203;
12	public static final int STATUS_DOWNLOADING = 0x204;
13	public static final int STATUS_DELETED = 0x205;
14
15	public void start();
16
17	public int getStatus();
18
19	public long getFileSize();
20}