package de.thedevstack.conversationsplus.entities; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.List; public interface Transferable { List VALID_IMAGE_EXTENSIONS = Arrays.asList("webp", "jpeg", "jpg", "png", "jpe"); List VALID_CRYPTO_EXTENSIONS = Arrays.asList("pgp", "gpg", "otr"); List WELL_KNOWN_EXTENSIONS = Arrays.asList("pdf","m4a","mp4","3gp","aac","amr","mp3"); int STATUS_UNKNOWN = 0x200; int STATUS_CHECKING = 0x201; int STATUS_FAILED = 0x202; int STATUS_OFFER = 0x203; int STATUS_DOWNLOADING = 0x204; int STATUS_DELETED = 0x205; int STATUS_OFFER_CHECK_FILESIZE = 0x206; int STATUS_UPLOADING = 0x207; boolean start(); int getStatus(); int getProgress(); void cancel(); }