private void fireNewChatState(Chat chat, ChatState state) {
for (MessageListener listener : chat.getListeners()) {
if (listener instanceof ChatStateListener) {
((ChatStateListener) listener).stateChanged(chat, state);
}
}
}
/**
* Sets the current state of the provided chat. This method will send an empty bodied Message
* packet with the state attached as a {@link z.org.jivesoftware.smack.packet.PacketExtension}, 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 z.org.jivesoftware.smack.XMPPException when there is an error sending the message
* packet.
*/
public void setCurrentState(ChatState newState, Chat chat) throws XMPPException {
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);
}
public void chatCreated(final Chat chat, boolean createdLocally) {
chat.addMessageListener(this);
}