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/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Copyright @ 2015 Atlassian Pty Ltd
*
* 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 net.java.sip.communicator.impl.protocol.zeroconf;
import net.java.sip.communicator.service.protocol.*;
/**
* Implements typing notifications for the Zeroconf protocol. The operation
* set would simply mirror all outgoing typing notifications and make them
* appear as incoming events generated by the contact that we are currently
* writing a message to.
*
* @author Christian Vincenot
* @author Maxime Catelin
* @author Jonathan Martin
*/
public class OperationSetTypingNotificationsZeroconfImpl
extends AbstractOperationSetTypingNotifications<ProtocolProviderServiceZeroconfImpl>
{
/**
* Creates a new instance of this operation set and keeps the parent
* provider as a reference.
*
* @param provider a ref to the <tt>ProtocolProviderServiceImpl</tt>
* that created us and that we'll use for retrieving the underlying aim
* connection.
*/
OperationSetTypingNotificationsZeroconfImpl(
ProtocolProviderServiceZeroconfImpl provider)
{
super(provider);
}
/**
* Sends a notification to <tt>notifiedContatct</tt> that we have entered
* <tt>typingState</tt>.
*
* @param notifiedContact the <tt>Contact</tt> to notify
* @param typingState the typing state that we have entered.
*
* @throws java.lang.IllegalStateException if the underlying stack is
* not registered and initialized.
* @throws java.lang.IllegalArgumentException if <tt>notifiedContact</tt> is
* not an instance belonging to the underlying implementation.
*/
public void sendTypingNotification(Contact notifiedContact, int typingState)
throws IllegalStateException, IllegalArgumentException
{
if( !(notifiedContact instanceof ContactZeroconfImpl) )
throw new IllegalArgumentException(
"The specified contact is not a Zeroconf contact."
+ notifiedContact);
ContactZeroconfImpl to = (ContactZeroconfImpl)notifiedContact;
ClientThread thread = to.getClientThread();
if (thread == null) return;/*throw new IllegalStateException(
"No communication channel opened to chat with this contact");*/
if (typingState != STATE_TYPING)
return;
MessageZeroconfImpl message =
new MessageZeroconfImpl("",null, MessageZeroconfImpl.TYPING);
thread.sendMessage(message);
}
}
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