mirror of
https://github.com/vanitasvitae/Smack.git
synced 2024-09-27 10:09:32 +02:00
08e897113d
And matching ImportOrder settings for Eclipse in resources/eclipse/smack.importorder
196 lines
7.2 KiB
Java
196 lines
7.2 KiB
Java
/**
|
|
*
|
|
* Copyright 2003-2007 Jive Software.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package org.jivesoftware.smackx.chatstates;
|
|
|
|
import java.util.Map;
|
|
import java.util.WeakHashMap;
|
|
|
|
import org.jivesoftware.smack.Manager;
|
|
import org.jivesoftware.smack.MessageListener;
|
|
import org.jivesoftware.smack.SmackException.NotConnectedException;
|
|
import org.jivesoftware.smack.XMPPConnection;
|
|
import org.jivesoftware.smack.chat.ChatManagerListener;
|
|
import org.jivesoftware.smack.chat.ChatMessageListener;
|
|
import org.jivesoftware.smack.filter.NotFilter;
|
|
import org.jivesoftware.smack.filter.StanzaExtensionFilter;
|
|
import org.jivesoftware.smack.filter.StanzaFilter;
|
|
import org.jivesoftware.smack.packet.ExtensionElement;
|
|
import org.jivesoftware.smack.packet.Message;
|
|
|
|
import org.jivesoftware.smackx.chatstates.packet.ChatStateExtension;
|
|
import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
|
|
|
|
/**
|
|
* Handles chat state for all chats on a particular XMPPConnection. This class manages both the
|
|
* stanza(/packet) extensions and the disco response necessary for compliance with
|
|
* <a href="http://www.xmpp.org/extensions/xep-0085.html">XEP-0085</a>.
|
|
*
|
|
* NOTE: {@link org.jivesoftware.smackx.chatstates.ChatStateManager#getInstance(org.jivesoftware.smack.XMPPConnection)}
|
|
* needs to be called in order for the listeners to be registered appropriately with the connection.
|
|
* If this does not occur you will not receive the update notifications.
|
|
*
|
|
* @author Alexander Wenckus
|
|
* @see org.jivesoftware.smackx.chatstates.ChatState
|
|
* @see org.jivesoftware.smackx.chatstates.packet.ChatStateExtension
|
|
*/
|
|
// TODO Migrate to new chat2 API on Smack 4.3.
|
|
@SuppressWarnings("deprecation")
|
|
public final class ChatStateManager extends Manager {
|
|
public static final String NAMESPACE = "http://jabber.org/protocol/chatstates";
|
|
|
|
private static final Map<XMPPConnection, ChatStateManager> INSTANCES =
|
|
new WeakHashMap<XMPPConnection, ChatStateManager>();
|
|
|
|
private static final StanzaFilter filter = new NotFilter(new StanzaExtensionFilter(NAMESPACE));
|
|
|
|
/**
|
|
* Returns the ChatStateManager related to the XMPPConnection and it will create one if it does
|
|
* not yet exist.
|
|
*
|
|
* @param connection the connection to return the ChatStateManager
|
|
* @return the ChatStateManager related the the connection.
|
|
*/
|
|
public static synchronized ChatStateManager getInstance(final XMPPConnection connection) {
|
|
ChatStateManager manager = INSTANCES.get(connection);
|
|
if (manager == null) {
|
|
manager = new ChatStateManager(connection);
|
|
}
|
|
return manager;
|
|
}
|
|
|
|
private final OutgoingMessageInterceptor outgoingInterceptor = new OutgoingMessageInterceptor();
|
|
|
|
private final IncomingMessageInterceptor incomingInterceptor = new IncomingMessageInterceptor();
|
|
|
|
/**
|
|
* Maps chat to last chat state.
|
|
*/
|
|
private final Map<org.jivesoftware.smack.chat.Chat, ChatState> chatStates = new WeakHashMap<>();
|
|
|
|
private final org.jivesoftware.smack.chat.ChatManager chatManager;
|
|
|
|
private ChatStateManager(XMPPConnection connection) {
|
|
super(connection);
|
|
chatManager = org.jivesoftware.smack.chat.ChatManager.getInstanceFor(connection);
|
|
chatManager.addOutgoingMessageInterceptor(outgoingInterceptor, filter);
|
|
chatManager.addChatListener(incomingInterceptor);
|
|
|
|
ServiceDiscoveryManager.getInstanceFor(connection).addFeature(NAMESPACE);
|
|
INSTANCES.put(connection, this);
|
|
}
|
|
|
|
|
|
/**
|
|
* Sets the current state of the provided chat. This method will send an empty bodied Message
|
|
* stanza(/packet) with the state attached as a {@link org.jivesoftware.smack.packet.ExtensionElement}, if
|
|
* and only if the new chat state is different than the last state.
|
|
*
|
|
* @param newState the new state of the chat
|
|
* @param chat the chat.
|
|
* @throws NotConnectedException
|
|
* @throws InterruptedException
|
|
*/
|
|
public void setCurrentState(ChatState newState, org.jivesoftware.smack.chat.Chat chat) throws NotConnectedException, InterruptedException {
|
|
if (chat == null || newState == null) {
|
|
throw new IllegalArgumentException("Arguments cannot be null.");
|
|
}
|
|
if (!updateChatState(chat, newState)) {
|
|
return;
|
|
}
|
|
Message message = new Message();
|
|
ChatStateExtension extension = new ChatStateExtension(newState);
|
|
message.addExtension(extension);
|
|
|
|
chat.sendMessage(message);
|
|
}
|
|
|
|
|
|
@Override
|
|
public boolean equals(Object o) {
|
|
if (this == o) return true;
|
|
if (o == null || getClass() != o.getClass()) return false;
|
|
|
|
ChatStateManager that = (ChatStateManager) o;
|
|
|
|
return connection().equals(that.connection());
|
|
|
|
}
|
|
|
|
@Override
|
|
public int hashCode() {
|
|
return connection().hashCode();
|
|
}
|
|
|
|
private synchronized boolean updateChatState(org.jivesoftware.smack.chat.Chat chat, ChatState newState) {
|
|
ChatState lastChatState = chatStates.get(chat);
|
|
if (lastChatState != newState) {
|
|
chatStates.put(chat, newState);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private static void fireNewChatState(org.jivesoftware.smack.chat.Chat chat, ChatState state, Message message) {
|
|
for (ChatMessageListener listener : chat.getListeners()) {
|
|
if (listener instanceof ChatStateListener) {
|
|
((ChatStateListener) listener).stateChanged(chat, state, message);
|
|
}
|
|
}
|
|
}
|
|
|
|
private class OutgoingMessageInterceptor implements MessageListener {
|
|
|
|
@Override
|
|
public void processMessage(Message message) {
|
|
org.jivesoftware.smack.chat.Chat chat = chatManager.getThreadChat(message.getThread());
|
|
if (chat == null) {
|
|
return;
|
|
}
|
|
if (updateChatState(chat, ChatState.active)) {
|
|
message.addExtension(new ChatStateExtension(ChatState.active));
|
|
}
|
|
}
|
|
}
|
|
|
|
private static class IncomingMessageInterceptor implements ChatManagerListener, ChatMessageListener {
|
|
|
|
@Override
|
|
public void chatCreated(final org.jivesoftware.smack.chat.Chat chat, boolean createdLocally) {
|
|
chat.addMessageListener(this);
|
|
}
|
|
|
|
@Override
|
|
public void processMessage(org.jivesoftware.smack.chat.Chat chat, Message message) {
|
|
ExtensionElement extension = message.getExtension(NAMESPACE);
|
|
if (extension == null) {
|
|
return;
|
|
}
|
|
|
|
ChatState state;
|
|
try {
|
|
state = ChatState.valueOf(extension.getElementName());
|
|
}
|
|
catch (Exception ex) {
|
|
return;
|
|
}
|
|
|
|
fireNewChatState(chat, state, message);
|
|
}
|
|
}
|
|
}
|