Conversations/src/main/java/eu/siacs/conversations/entities/Conversation.java

1054 lines
27 KiB
Java

package eu.siacs.conversations.entities;
import android.content.ContentValues;
import android.database.Cursor;
import android.support.annotation.NonNull;
import net.java.otr4j.OtrException;
import net.java.otr4j.crypto.OtrCryptoException;
import net.java.otr4j.session.SessionID;
import net.java.otr4j.session.SessionImpl;
import net.java.otr4j.session.SessionStatus;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.security.interfaces.DSAPublicKey;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import java.util.Locale;
import java.util.concurrent.atomic.AtomicBoolean;
import eu.siacs.conversations.Config;
import eu.siacs.conversations.crypto.PgpDecryptionService;
import eu.siacs.conversations.crypto.axolotl.AxolotlService;
import eu.siacs.conversations.xmpp.chatstate.ChatState;
import eu.siacs.conversations.xmpp.jid.InvalidJidException;
import eu.siacs.conversations.xmpp.jid.Jid;
import eu.siacs.conversations.xmpp.mam.MamReference;
public class Conversation extends AbstractEntity implements Blockable, Comparable<Conversation> {
public static final String TABLENAME = "conversations";
public static final int STATUS_AVAILABLE = 0;
public static final int STATUS_ARCHIVED = 1;
public static final int MODE_MULTI = 1;
public static final int MODE_SINGLE = 0;
public static final String NAME = "name";
public static final String ACCOUNT = "accountUuid";
public static final String CONTACT = "contactUuid";
public static final String CONTACTJID = "contactJid";
public static final String STATUS = "status";
public static final String CREATED = "created";
public static final String MODE = "mode";
public static final String ATTRIBUTES = "attributes";
public static final String ATTRIBUTE_MUTED_TILL = "muted_till";
public static final String ATTRIBUTE_ALWAYS_NOTIFY = "always_notify";
public static final String ATTRIBUTE_LAST_CLEAR_HISTORY = "last_clear_history";
private static final String ATTRIBUTE_CRYPTO_TARGETS = "crypto_targets";
private static final String ATTRIBUTE_NEXT_ENCRYPTION = "next_encryption";
static final String ATTRIBUTE_MUC_PASSWORD = "muc_password";
private String draftMessage;
private String name;
private String contactUuid;
private String accountUuid;
private Jid contactJid;
private int status;
private long created;
private int mode;
private JSONObject attributes = new JSONObject();
private Jid nextCounterpart;
protected final ArrayList<Message> messages = new ArrayList<>();
protected Account account = null;
private transient SessionImpl otrSession;
private transient String otrFingerprint = null;
private Smp mSmp = new Smp();
private String nextMessage;
private transient MucOptions mucOptions = null;
private byte[] symmetricKey;
private Bookmark bookmark;
private boolean messagesLeftOnServer = true;
private ChatState mOutgoingChatState = Config.DEFAULT_CHATSTATE;
private ChatState mIncomingChatState = Config.DEFAULT_CHATSTATE;
private String mLastReceivedOtrMessageId = null;
private String mFirstMamReference = null;
private Message correctingMessage;
public AtomicBoolean messagesLoaded = new AtomicBoolean(true);
public boolean hasMessagesLeftOnServer() {
return messagesLeftOnServer;
}
public void setHasMessagesLeftOnServer(boolean value) {
this.messagesLeftOnServer = value;
}
public Message getFirstUnreadMessage() {
Message first = null;
synchronized (this.messages) {
for (int i = messages.size() - 1; i >= 0; --i) {
if (messages.get(i).isRead()) {
return first;
} else {
first = messages.get(i);
}
}
}
return first;
}
public Message findUnsentMessageWithUuid(String uuid) {
synchronized(this.messages) {
for (final Message message : this.messages) {
final int s = message.getStatus();
if ((s == Message.STATUS_UNSEND || s == Message.STATUS_WAITING) && message.getUuid().equals(uuid)) {
return message;
}
}
}
return null;
}
public void findWaitingMessages(OnMessageFound onMessageFound) {
synchronized (this.messages) {
for(Message message : this.messages) {
if (message.getStatus() == Message.STATUS_WAITING) {
onMessageFound.onMessageFound(message);
}
}
}
}
public void findUnreadMessages(OnMessageFound onMessageFound) {
synchronized (this.messages) {
for(Message message : this.messages) {
if (!message.isRead()) {
onMessageFound.onMessageFound(message);
}
}
}
}
public void findMessagesWithFiles(final OnMessageFound onMessageFound) {
synchronized (this.messages) {
for (final Message message : this.messages) {
if ((message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE)
&& message.getEncryption() != Message.ENCRYPTION_PGP) {
onMessageFound.onMessageFound(message);
}
}
}
}
public Message findMessageWithFileAndUuid(final String uuid) {
synchronized (this.messages) {
for (final Message message : this.messages) {
if (message.getUuid().equals(uuid)
&& message.getEncryption() != Message.ENCRYPTION_PGP
&& (message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE || message.treatAsDownloadable())) {
return message;
}
}
}
return null;
}
public void clearMessages() {
synchronized (this.messages) {
this.messages.clear();
}
}
public boolean setIncomingChatState(ChatState state) {
if (this.mIncomingChatState == state) {
return false;
}
this.mIncomingChatState = state;
return true;
}
public ChatState getIncomingChatState() {
return this.mIncomingChatState;
}
public boolean setOutgoingChatState(ChatState state) {
if (mode == MODE_MULTI && (getNextCounterpart() != null || !isPnNA())) {
return false;
}
if (this.mOutgoingChatState != state) {
this.mOutgoingChatState = state;
return true;
} else {
return false;
}
}
public ChatState getOutgoingChatState() {
return this.mOutgoingChatState;
}
public void trim() {
synchronized (this.messages) {
final int size = messages.size();
final int maxsize = Config.PAGE_SIZE * Config.MAX_NUM_PAGES;
if (size > maxsize) {
List<Message> discards = this.messages.subList(0, size - maxsize);
final PgpDecryptionService pgpDecryptionService = account.getPgpDecryptionService();
if (pgpDecryptionService != null) {
pgpDecryptionService.discard(discards);
}
discards.clear();
untieMessages();
}
}
}
public void findUnsentMessagesWithEncryption(int encryptionType, OnMessageFound onMessageFound) {
synchronized (this.messages) {
for (Message message : this.messages) {
if ((message.getStatus() == Message.STATUS_UNSEND || message.getStatus() == Message.STATUS_WAITING)
&& (message.getEncryption() == encryptionType)) {
onMessageFound.onMessageFound(message);
}
}
}
}
public void findUnsentTextMessages(OnMessageFound onMessageFound) {
synchronized (this.messages) {
for (Message message : this.messages) {
if (message.getType() != Message.TYPE_IMAGE
&& message.getStatus() == Message.STATUS_UNSEND) {
onMessageFound.onMessageFound(message);
}
}
}
}
public Message findSentMessageWithUuidOrRemoteId(String id) {
synchronized (this.messages) {
for (Message message : this.messages) {
if (id.equals(message.getUuid())
|| (message.getStatus() >= Message.STATUS_SEND
&& id.equals(message.getRemoteMsgId()))) {
return message;
}
}
}
return null;
}
public Message findMessageWithRemoteIdAndCounterpart(String id, Jid counterpart, boolean received, boolean carbon) {
synchronized (this.messages) {
for(int i = this.messages.size() - 1; i >= 0; --i) {
Message message = messages.get(i);
if (counterpart.equals(message.getCounterpart())
&& ((message.getStatus() == Message.STATUS_RECEIVED) == received)
&& (carbon == message.isCarbon() || received) ) {
if (id.equals(message.getRemoteMsgId()) && !message.isFileOrImage() && !message.treatAsDownloadable()) {
return message;
} else {
return null;
}
}
}
}
return null;
}
public Message findSentMessageWithUuid(String id) {
synchronized (this.messages) {
for (Message message : this.messages) {
if (id.equals(message.getUuid())) {
return message;
}
}
}
return null;
}
public boolean hasMessageWithCounterpart(Jid counterpart) {
synchronized (this.messages) {
for(Message message : this.messages) {
if (counterpart.equals(message.getCounterpart())) {
return true;
}
}
}
return false;
}
public void populateWithMessages(final List<Message> messages) {
synchronized (this.messages) {
messages.clear();
messages.addAll(this.messages);
}
for(Iterator<Message> iterator = messages.iterator(); iterator.hasNext();) {
if (iterator.next().wasMergedIntoPrevious()) {
iterator.remove();
}
}
}
@Override
public boolean isBlocked() {
return getContact().isBlocked();
}
@Override
public boolean isDomainBlocked() {
return getContact().isDomainBlocked();
}
@Override
public Jid getBlockedJid() {
return getContact().getBlockedJid();
}
public String getLastReceivedOtrMessageId() {
return this.mLastReceivedOtrMessageId;
}
public void setLastReceivedOtrMessageId(String id) {
this.mLastReceivedOtrMessageId = id;
}
public int countMessages() {
synchronized (this.messages) {
return this.messages.size();
}
}
public void setFirstMamReference(String reference) {
this.mFirstMamReference = reference;
}
public String getFirstMamReference() {
return this.mFirstMamReference;
}
public void setLastClearHistory(long time,String reference) {
if (reference != null) {
setAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY, String.valueOf(time) + ":" + reference);
} else {
setAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY, String.valueOf(time));
}
}
public MamReference getLastClearHistory() {
return MamReference.fromAttribute(getAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY));
}
public List<Jid> getAcceptedCryptoTargets() {
if (mode == MODE_SINGLE) {
return Collections.singletonList(getJid().toBareJid());
} else {
return getJidListAttribute(ATTRIBUTE_CRYPTO_TARGETS);
}
}
public void setAcceptedCryptoTargets(List<Jid> acceptedTargets) {
setAttribute(ATTRIBUTE_CRYPTO_TARGETS, acceptedTargets);
}
public boolean setCorrectingMessage(Message correctingMessage) {
this.correctingMessage = correctingMessage;
return correctingMessage == null && draftMessage != null;
}
public Message getCorrectingMessage() {
return this.correctingMessage;
}
public boolean withSelf() {
return getContact().isSelf();
}
@Override
public int compareTo(@NonNull Conversation another) {
final Message left = getLatestMessage();
final Message right = another.getLatestMessage();
if (left.getTimeSent() > right.getTimeSent()) {
return -1;
} else if (left.getTimeSent() < right.getTimeSent()) {
return 1;
} else {
return 0;
}
}
public void setDraftMessage(String draftMessage) {
this.draftMessage = draftMessage;
}
public String getDraftMessage() {
return draftMessage;
}
public interface OnMessageFound {
void onMessageFound(final Message message);
}
public Conversation(final String name, final Account account, final Jid contactJid,
final int mode) {
this(java.util.UUID.randomUUID().toString(), name, null, account
.getUuid(), contactJid, System.currentTimeMillis(),
STATUS_AVAILABLE, mode, "");
this.account = account;
}
public Conversation(final String uuid, final String name, final String contactUuid,
final String accountUuid, final Jid contactJid, final long created, final int status,
final int mode, final String attributes) {
this.uuid = uuid;
this.name = name;
this.contactUuid = contactUuid;
this.accountUuid = accountUuid;
this.contactJid = contactJid;
this.created = created;
this.status = status;
this.mode = mode;
try {
this.attributes = new JSONObject(attributes == null ? "" : attributes);
} catch (JSONException e) {
this.attributes = new JSONObject();
}
}
public boolean isRead() {
return (this.messages.size() == 0) || this.messages.get(this.messages.size() - 1).isRead();
}
public List<Message> markRead() {
final List<Message> unread = new ArrayList<>();
synchronized (this.messages) {
for(Message message : this.messages) {
if (!message.isRead()) {
message.markRead();
unread.add(message);
}
}
}
return unread;
}
public Message getLatestMarkableMessage() {
synchronized (this.messages) {
for (int i = this.messages.size() - 1; i >= 0; --i) {
final Message message = this.messages.get(i);
if (message.getStatus() <= Message.STATUS_RECEIVED && message.markable) {
return message.isRead() ? null : message;
}
}
}
return null;
}
public Message getLatestMessage() {
synchronized (this.messages) {
if (this.messages.size() == 0) {
Message message = new Message(this, "", Message.ENCRYPTION_NONE);
message.setType(Message.TYPE_STATUS);
message.setTime(Math.max(getCreated(), getLastClearHistory().getTimestamp()));
return message;
} else {
return this.messages.get(this.messages.size() - 1);
}
}
}
public String getName() {
if (getMode() == MODE_MULTI) {
if (getMucOptions().getSubject() != null) {
return getMucOptions().getSubject();
} else if (bookmark != null
&& bookmark.getBookmarkName() != null
&& !bookmark.getBookmarkName().trim().isEmpty()) {
return bookmark.getBookmarkName().trim();
} else {
String generatedName = getMucOptions().createNameFromParticipants();
if (generatedName != null) {
return generatedName;
} else {
return getJid().getUnescapedLocalpart();
}
}
} else if (isWithStranger()) {
return contactJid.toBareJid().toString();
} else {
return this.getContact().getDisplayName();
}
}
public String getAccountUuid() {
return this.accountUuid;
}
public Account getAccount() {
return this.account;
}
public Contact getContact() {
return this.account.getRoster().getContact(this.contactJid);
}
public void setAccount(final Account account) {
this.account = account;
}
@Override
public Jid getJid() {
return this.contactJid;
}
public int getStatus() {
return this.status;
}
public long getCreated() {
return this.created;
}
public ContentValues getContentValues() {
ContentValues values = new ContentValues();
values.put(UUID, uuid);
values.put(NAME, name);
values.put(CONTACT, contactUuid);
values.put(ACCOUNT, accountUuid);
values.put(CONTACTJID, contactJid.toPreppedString());
values.put(CREATED, created);
values.put(STATUS, status);
values.put(MODE, mode);
values.put(ATTRIBUTES, attributes.toString());
return values;
}
public static Conversation fromCursor(Cursor cursor) {
Jid jid;
try {
jid = Jid.fromString(cursor.getString(cursor.getColumnIndex(CONTACTJID)), true);
} catch (final InvalidJidException e) {
// Borked DB..
jid = null;
}
return new Conversation(cursor.getString(cursor.getColumnIndex(UUID)),
cursor.getString(cursor.getColumnIndex(NAME)),
cursor.getString(cursor.getColumnIndex(CONTACT)),
cursor.getString(cursor.getColumnIndex(ACCOUNT)),
jid,
cursor.getLong(cursor.getColumnIndex(CREATED)),
cursor.getInt(cursor.getColumnIndex(STATUS)),
cursor.getInt(cursor.getColumnIndex(MODE)),
cursor.getString(cursor.getColumnIndex(ATTRIBUTES)));
}
public void setStatus(int status) {
this.status = status;
}
public int getMode() {
return this.mode;
}
public void setMode(int mode) {
this.mode = mode;
}
public SessionImpl startOtrSession(String presence, boolean sendStart) {
if (this.otrSession != null) {
return this.otrSession;
} else {
final SessionID sessionId = new SessionID(this.getJid().toBareJid().toString(),
presence,
"xmpp");
this.otrSession = new SessionImpl(sessionId, getAccount().getOtrService());
try {
if (sendStart) {
this.otrSession.startSession();
return this.otrSession;
}
return this.otrSession;
} catch (OtrException e) {
return null;
}
}
}
public SessionImpl getOtrSession() {
return this.otrSession;
}
public void resetOtrSession() {
this.otrFingerprint = null;
this.otrSession = null;
this.mSmp.hint = null;
this.mSmp.secret = null;
this.mSmp.status = Smp.STATUS_NONE;
}
public Smp smp() {
return mSmp;
}
public boolean startOtrIfNeeded() {
if (this.otrSession != null && this.otrSession.getSessionStatus() != SessionStatus.ENCRYPTED) {
try {
this.otrSession.startSession();
return true;
} catch (OtrException e) {
this.resetOtrSession();
return false;
}
} else {
return true;
}
}
public boolean endOtrIfNeeded() {
if (this.otrSession != null) {
if (this.otrSession.getSessionStatus() == SessionStatus.ENCRYPTED) {
try {
this.otrSession.endSession();
this.resetOtrSession();
return true;
} catch (OtrException e) {
this.resetOtrSession();
return false;
}
} else {
this.resetOtrSession();
return false;
}
} else {
return false;
}
}
public boolean hasValidOtrSession() {
return this.otrSession != null;
}
public synchronized String getOtrFingerprint() {
if (this.otrFingerprint == null) {
try {
if (getOtrSession() == null || getOtrSession().getSessionStatus() != SessionStatus.ENCRYPTED) {
return null;
}
DSAPublicKey remotePubKey = (DSAPublicKey) getOtrSession().getRemotePublicKey();
this.otrFingerprint = getAccount().getOtrService().getFingerprint(remotePubKey).toLowerCase(Locale.US);
} catch (final OtrCryptoException | UnsupportedOperationException ignored) {
return null;
}
}
return this.otrFingerprint;
}
public boolean verifyOtrFingerprint() {
final String fingerprint = getOtrFingerprint();
if (fingerprint != null) {
getContact().addOtrFingerprint(fingerprint);
return true;
} else {
return false;
}
}
public boolean isOtrFingerprintVerified() {
return getContact().getOtrFingerprints().contains(getOtrFingerprint());
}
/**
* short for is Private and Non-anonymous
*/
private boolean isPnNA() {
return mode == MODE_SINGLE || (getMucOptions().membersOnly() && getMucOptions().nonanonymous());
}
public synchronized MucOptions getMucOptions() {
if (this.mucOptions == null) {
this.mucOptions = new MucOptions(this);
}
return this.mucOptions;
}
public void resetMucOptions() {
this.mucOptions = null;
}
public void setContactJid(final Jid jid) {
this.contactJid = jid;
}
public void setNextCounterpart(Jid jid) {
this.nextCounterpart = jid;
}
public Jid getNextCounterpart() {
return this.nextCounterpart;
}
public int getNextEncryption() {
return fixAvailableEncryption(this.getIntAttribute(ATTRIBUTE_NEXT_ENCRYPTION, getDefaultEncryption()));
}
private int fixAvailableEncryption(int selectedEncryption) {
switch(selectedEncryption) {
case Message.ENCRYPTION_NONE:
return Config.supportUnencrypted() ? selectedEncryption : getDefaultEncryption();
case Message.ENCRYPTION_AXOLOTL:
return Config.supportOmemo() ? selectedEncryption : getDefaultEncryption();
case Message.ENCRYPTION_OTR:
return Config.supportOtr() ? selectedEncryption : getDefaultEncryption();
case Message.ENCRYPTION_PGP:
case Message.ENCRYPTION_DECRYPTED:
case Message.ENCRYPTION_DECRYPTION_FAILED:
return Config.supportOpenPgp() ? Message.ENCRYPTION_PGP : getDefaultEncryption();
default:
return getDefaultEncryption();
}
}
private int getDefaultEncryption() {
AxolotlService axolotlService = account.getAxolotlService();
if (Config.supportUnencrypted()) {
return Message.ENCRYPTION_NONE;
} else if (Config.supportOmemo()
&& (axolotlService != null && axolotlService.isConversationAxolotlCapable(this) || !Config.multipleEncryptionChoices())) {
return Message.ENCRYPTION_AXOLOTL;
} else if (Config.supportOtr() && mode == MODE_SINGLE) {
return Message.ENCRYPTION_OTR;
} else if (Config.supportOpenPgp()) {
return Message.ENCRYPTION_PGP;
} else {
return Message.ENCRYPTION_NONE;
}
}
public void setNextEncryption(int encryption) {
this.setAttribute(ATTRIBUTE_NEXT_ENCRYPTION, String.valueOf(encryption));
}
public String getNextMessage() {
if (this.nextMessage == null) {
return "";
} else {
return this.nextMessage;
}
}
public boolean smpRequested() {
return smp().status == Smp.STATUS_CONTACT_REQUESTED;
}
public void setNextMessage(String message) {
this.nextMessage = message;
}
public void setSymmetricKey(byte[] key) {
this.symmetricKey = key;
}
public byte[] getSymmetricKey() {
return this.symmetricKey;
}
public void setBookmark(Bookmark bookmark) {
this.bookmark = bookmark;
this.bookmark.setConversation(this);
}
public void deregisterWithBookmark() {
if (this.bookmark != null) {
this.bookmark.setConversation(null);
}
this.bookmark = null;
}
public Bookmark getBookmark() {
return this.bookmark;
}
public boolean hasDuplicateMessage(Message message) {
synchronized (this.messages) {
for (int i = this.messages.size() - 1; i >= 0; --i) {
if (this.messages.get(i).similar(message)) {
return true;
}
}
}
return false;
}
public Message findSentMessageWithBody(String body) {
synchronized (this.messages) {
for (int i = this.messages.size() - 1; i >= 0; --i) {
Message message = this.messages.get(i);
if (message.getStatus() == Message.STATUS_UNSEND || message.getStatus() == Message.STATUS_SEND) {
String otherBody;
if (message.hasFileOnRemoteHost()) {
otherBody = message.getFileParams().url.toString();
} else {
otherBody = message.body;
}
if (otherBody != null && otherBody.equals(body)) {
return message;
}
}
}
return null;
}
}
public MamReference getLastMessageTransmitted() {
final MamReference lastClear = getLastClearHistory();
MamReference lastReceived = new MamReference(0);
synchronized (this.messages) {
for(int i = this.messages.size() - 1; i >= 0; --i) {
Message message = this.messages.get(i);
if (message.getStatus() == Message.STATUS_RECEIVED || message.isCarbon()) {
lastReceived = new MamReference(message.getTimeSent(),message.getServerMsgId());
break;
}
}
}
return MamReference.max(lastClear,lastReceived);
}
public void setMutedTill(long value) {
this.setAttribute(ATTRIBUTE_MUTED_TILL, String.valueOf(value));
}
public boolean isMuted() {
return System.currentTimeMillis() < this.getLongAttribute(ATTRIBUTE_MUTED_TILL, 0);
}
public boolean alwaysNotify() {
return mode == MODE_SINGLE || getBooleanAttribute(ATTRIBUTE_ALWAYS_NOTIFY, Config.ALWAYS_NOTIFY_BY_DEFAULT || isPnNA());
}
public boolean setAttribute(String key, String value) {
synchronized (this.attributes) {
try {
this.attributes.put(key, value);
return true;
} catch (JSONException e) {
return false;
}
}
}
public boolean setAttribute(String key, List<Jid> jids) {
JSONArray array = new JSONArray();
for(Jid jid : jids) {
array.put(jid.toBareJid().toString());
}
synchronized (this.attributes) {
try {
this.attributes.put(key, array);
return true;
} catch (JSONException e) {
e.printStackTrace();
return false;
}
}
}
public String getAttribute(String key) {
synchronized (this.attributes) {
try {
return this.attributes.getString(key);
} catch (JSONException e) {
return null;
}
}
}
private List<Jid> getJidListAttribute(String key) {
ArrayList<Jid> list = new ArrayList<>();
synchronized (this.attributes) {
try {
JSONArray array = this.attributes.getJSONArray(key);
for (int i = 0; i < array.length(); ++i) {
try {
list.add(Jid.fromString(array.getString(i)));
} catch (InvalidJidException e) {
//ignored
}
}
} catch (JSONException e) {
//ignored
}
}
return list;
}
private int getIntAttribute(String key, int defaultValue) {
String value = this.getAttribute(key);
if (value == null) {
return defaultValue;
} else {
try {
return Integer.parseInt(value);
} catch (NumberFormatException e) {
return defaultValue;
}
}
}
public long getLongAttribute(String key, long defaultValue) {
String value = this.getAttribute(key);
if (value == null) {
return defaultValue;
} else {
try {
return Long.parseLong(value);
} catch (NumberFormatException e) {
return defaultValue;
}
}
}
private boolean getBooleanAttribute(String key, boolean defaultValue) {
String value = this.getAttribute(key);
if (value == null) {
return defaultValue;
} else {
return Boolean.parseBoolean(value);
}
}
public void add(Message message) {
synchronized (this.messages) {
this.messages.add(message);
}
}
public void prepend(Message message) {
synchronized (this.messages) {
this.messages.add(0,message);
}
}
public void addAll(int index, List<Message> messages) {
synchronized (this.messages) {
this.messages.addAll(index, messages);
}
account.getPgpDecryptionService().decrypt(messages);
}
public void expireOldMessages(long timestamp) {
synchronized (this.messages) {
for(ListIterator<Message> iterator = this.messages.listIterator(); iterator.hasNext();) {
if (iterator.next().getTimeSent() < timestamp) {
iterator.remove();
}
}
untieMessages();
}
}
public void sort() {
synchronized (this.messages) {
Collections.sort(this.messages, new Comparator<Message>() {
@Override
public int compare(Message left, Message right) {
if (left.getTimeSent() < right.getTimeSent()) {
return -1;
} else if (left.getTimeSent() > right.getTimeSent()) {
return 1;
} else {
return 0;
}
}
});
untieMessages();
}
}
private void untieMessages() {
for(Message message : this.messages) {
message.untie();
}
}
public int unreadCount() {
synchronized (this.messages) {
int count = 0;
for(int i = this.messages.size() - 1; i >= 0; --i) {
if (this.messages.get(i).isRead()) {
return count;
}
++count;
}
return count;
}
}
public int receivedMessagesCount() {
int count = 0;
synchronized (this.messages) {
for(Message message : messages) {
if (message.getStatus() == Message.STATUS_RECEIVED) {
++count;
}
}
}
return count;
}
private int sentMessagesCount() {
int count = 0;
synchronized (this.messages) {
for(Message message : messages) {
if (message.getStatus() != Message.STATUS_RECEIVED) {
++count;
}
}
}
return count;
}
public boolean isWithStranger() {
return mode == MODE_SINGLE
&& !getJid().equals(account.getJid().toDomainJid())
&& !getContact().showInRoster()
&& sentMessagesCount() == 0;
}
public class Smp {
public static final int STATUS_NONE = 0;
public static final int STATUS_CONTACT_REQUESTED = 1;
public static final int STATUS_WE_REQUESTED = 2;
public static final int STATUS_FAILED = 3;
public static final int STATUS_VERIFIED = 4;
public String secret = null;
public String hint = null;
public int status = 0;
}
}