1package eu.siacs.conversations.entities;
 2
 3public interface Downloadable {
 4
 5	String[] VALID_IMAGE_EXTENSIONS = {"webp", "jpeg", "jpg", "png", "jpe"};
 6	String[] VALID_CRYPTO_EXTENSIONS = {"pgp", "gpg", "otr"};
 7
 8	int STATUS_UNKNOWN = 0x200;
 9	int STATUS_CHECKING = 0x201;
10	int STATUS_FAILED = 0x202;
11	int STATUS_OFFER = 0x203;
12	int STATUS_DOWNLOADING = 0x204;
13	int STATUS_DELETED = 0x205;
14	int STATUS_OFFER_CHECK_FILESIZE = 0x206;
15	int STATUS_UPLOADING = 0x207;
16
17	boolean start();
18
19	int getStatus();
20
21	long getFileSize();
22
23	int getProgress();
24
25	void cancel();
26}