package eu.siacs.conversations.entities; public interface Downloadable { public final String[] VALID_IMAGE_EXTENSIONS = {"webp", "jpeg", "jpg", "png", "jpe"}; public final String[] VALID_CRYPTO_EXTENSIONS = {"pgp", "gpg", "otr"}; public static final int STATUS_UNKNOWN = 0x200; public static final int STATUS_CHECKING = 0x201; public static final int STATUS_FAILED = 0x202; public static final int STATUS_OFFER = 0x203; public static final int STATUS_DOWNLOADING = 0x204; public static final int STATUS_DELETED = 0x205; public static final int STATUS_OFFER_CHECK_FILESIZE = 0x206; public static final int STATUS_UPLOADING = 0x207; public boolean start(); public int getStatus(); public long getFileSize(); public int getProgress(); public String getMimeType(); public void cancel(); }