package de.pixart.messenger.entities; import java.util.Arrays; import java.util.List; public interface Transferable { List VALID_IMAGE_EXTENSIONS = Arrays.asList( "webp", "jpeg", "jpg", "png", "jpe", "gif", "tif" ); List VALID_CRYPTO_EXTENSIONS = Arrays.asList( "pgp", "gpg", "otr" ); List WELL_KNOWN_EXTENSIONS = Arrays.asList( //documents "pdf", "doc", "docx", "txt", //audio "m4a", "m4b", "mp3", "mp2", "wav", "aac", "aif", "aiff", "aifc", "mid", "midi", "3gpp", //video "avi", "mp4", "mpeg", "mpg", "mpe", "mov", "3gp", //applications "apk", //contact "vcf", //calendar "ics", //compressed "zip", "rar" ); 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(); long getFileSize(); int getProgress(); void cancel(); }