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Smack
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Update to track last chat state of a chat so that the user is not updated more than once, and the XEP is not violated. 

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@6711 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
Alex Wenckus 2007-01-17 19:36:45 +00:00 committed by alex
parent 1426964334
commit da9a0e4543
3 changed files with 37 additions and 6 deletions
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8
source/org/jivesoftware/smack/Chat.java
View File

@ -169,4 +169,12 @@ public class Chat {
listener.processMessage(this, message);
}
}
@Override
public boolean equals(Object obj) {
return obj instanceof Chat
&& threadID.equals(((Chat)obj).getThreadID())
&& participant.equals(((Chat)obj).getParticipant());
}
}

2
source/org/jivesoftware/smack/ChatManager.java
View File

@ -177,7 +177,7 @@ public class ChatManager {
return jidChats.get(userJID);
}
private Chat getThreadChat(String thread) {
public Chat getThreadChat(String thread) {
return threadChats.get(thread);
}

33
source/org/jivesoftware/smackx/ChatStateManager.java
View File

@ -21,6 +21,7 @@
package org.jivesoftware.smackx;
import org.jivesoftware.smack.*;
import org.jivesoftware.smack.util.collections.ReferenceMap;
import org.jivesoftware.smack.filter.PacketFilter;
import org.jivesoftware.smack.filter.NotFilter;
import org.jivesoftware.smack.filter.PacketExtensionFilter;
@ -46,6 +47,9 @@ public class ChatStateManager {
private static Map<XMPPConnection, ChatStateManager> managers =
new WeakHashMap<XMPPConnection, ChatStateManager>();
private static PacketFilter filter = new NotFilter(
new PacketExtensionFilter("http://jabber.org/protocol/chatstates"));
/**
* Returns the ChatStateManager related to the XMPPConnection and it will create one if it does
* not yet exist.
@ -72,13 +76,17 @@ public class ChatStateManager {
private IncomingMessageInterceptor incomingInterceptor = new IncomingMessageInterceptor();
/**
* Maps chat to last chat state.
*/
private Map<Chat, ChatState> chatStates = new ReferenceMap<Chat, ChatState>(ReferenceMap.WEAK,
ReferenceMap.HARD);
private ChatStateManager(XMPPConnection connection) {
this.connection = connection;
}
private void init() {
PacketFilter filter = new NotFilter(
new PacketExtensionFilter("http://jabber.org/protocol/chatstates"));
connection.getChatManager().addOutgoingMessageInterceptor(outgoingInterceptor,
filter);
connection.getChatManager().addChatListener(incomingInterceptor);
@ -98,6 +106,9 @@ public class ChatStateManager {
* packet.
*/
public void setCurrentState(ChatState newState, Chat chat) throws XMPPException {
if(!updateChatState(chat, newState)) {
return;
}
Message message = new Message();
ChatStateExtension extension = new ChatStateExtension(newState);
message.addExtension(extension);
@ -105,6 +116,15 @@ public class ChatStateManager {
chat.sendMessage(message);
}
private boolean updateChatState(Chat chat, ChatState newState) {
ChatState lastChatState = chatStates.get(chat);
if (lastChatState == null || lastChatState != newState) {
chatStates.put(chat, lastChatState);
return true;
}
return false;
}
private void fireNewChatState(Chat chat, ChatState state) {
for (MessageListener listener : chat.getListeners()) {
if (listener instanceof ChatStateListener) {
@ -116,11 +136,14 @@ public class ChatStateManager {
private class OutgoingMessageInterceptor implements PacketInterceptor {
public void interceptPacket(Packet packet) {
if (!(packet instanceof Message)) {
Message message = (Message) packet;
Chat chat = connection.getChatManager().getThreadChat(message.getThread());
if (chat == null) {
return;
}
Message message = (Message) packet;
message.addExtension(new ChatStateExtension(ChatState.active));
if (updateChatState(chat, ChatState.active)) {
message.addExtension(new ChatStateExtension(ChatState.active));
}
}
}