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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.jabber;
import net.java.sip.communicator.service.protocol.*;
import net.java.sip.communicator.service.protocol.media.*;
import net.java.sip.communicator.util.*;
import org.jitsi.service.neomedia.*;
/**
* Implements <tt>OperationSetVideoTelephony</tt> in order to give access to
* video-specific functionality in the Jabber protocol implementation.
*
* @author Emil Ivov
*/
public class OperationSetVideoTelephonyJabberImpl
extends AbstractOperationSetVideoTelephony<
OperationSetBasicTelephonyJabberImpl,
ProtocolProviderServiceJabberImpl,
CallJabberImpl,
CallPeerJabberImpl>
{
/**
* The <tt>Logger</tt> used by the
* <tt>OperationSetTelephonyConferencingJabberImpl</tt> class and its
* instances for logging output.
*/
private static final Logger logger
= Logger.getLogger(OperationSetVideoTelephonyJabberImpl.class);
/**
* Initializes a new <tt>OperationSetVideoTelephonyJabberImpl</tt> instance
* which builds upon the telephony-related functionality of a specific
* <tt>OperationSetBasicTelephonyJabberImpl</tt>.
*
* @param basicTelephony the <tt>OperationSetBasicTelephonyJabberImpl</tt>
* the new extension should build upon
*/
public OperationSetVideoTelephonyJabberImpl(
OperationSetBasicTelephonyJabberImpl basicTelephony)
{
super(basicTelephony);
}
/**
* Implements OperationSetVideoTelephony#setLocalVideoAllowed(Call,
* boolean). Modifies the local media setup to reflect the requested setting
* for the streaming of the local video and then re-invites all
* CallPeers to re-negotiate the modified media setup.
*
* @param call the call where we'd like to allow sending local video.
* @param allowed <tt>true</tt> if local video transmission is allowed and
* <tt>false</tt> otherwise.
*
* @throws OperationFailedException if video initialization fails.
*/
@Override
public void setLocalVideoAllowed(Call call, boolean allowed)
throws OperationFailedException
{
super.setLocalVideoAllowed(call, allowed);
((CallJabberImpl)call).modifyVideoContent();
}
/**
* Create a new video call and invite the specified CallPeer to it.
*
* @param uri the address of the callee that we should invite to a new
* call.
* @return CallPeer the CallPeer that will represented by the
* specified uri. All following state change events will be delivered
* through that call peer. The Call that this peer is a member
* of could be retrieved from the CallParticipatn instance with the use
* of the corresponding method.
* @throws OperationFailedException with the corresponding code if we fail
* to create the video call.
*/
public Call createVideoCall(String uri)
throws OperationFailedException
{
return createOutgoingVideoCall(uri);
}
/**
* Create a new video call and invite the specified CallPeer to it.
*
* @param callee the address of the callee that we should invite to a new
* call.
* @return CallPeer the CallPeer that will represented by the
* specified uri. All following state change events will be delivered
* through that call peer. The Call that this peer is a member
* of could be retrieved from the CallParticipatn instance with the use
* of the corresponding method.
* @throws OperationFailedException with the corresponding code if we fail
* to create the video call.
*/
public Call createVideoCall(Contact callee) throws OperationFailedException
{
return createOutgoingVideoCall(callee.getAddress());
}
/**
* Check if the remote part supports Jingle video.
*
* @param calleeAddress Contact address
* @return true if contact support Jingle video, false otherwise
*
* @throws OperationFailedException with the corresponding code if we fail
* to create the video call.
*/
protected Call createOutgoingVideoCall(String calleeAddress)
throws OperationFailedException
{
if (logger.isInfoEnabled())
logger.info("creating outgoing video call...");
if (parentProvider.getConnection() == null)
{
throw new OperationFailedException(
"Failed to create OutgoingJingleSession.\n"
+ "we don't have a valid XMPPConnection."
, OperationFailedException.INTERNAL_ERROR);
}
CallJabberImpl call = new CallJabberImpl(basicTelephony);
/* enable video */
call.setLocalVideoAllowed(true, getMediaUseCase());
CallPeer callPeer
= basicTelephony.createOutgoingCall(call, calleeAddress);
/*
* XXX OperationSetBasicTelephonyJabberImpl#createOutgoingCall(
* CallJabberImpl, String) may have replaced the CallJabberImpl instance
* created above with a CallGTalkImpl instance.
*/
return callPeer.getCall();
}
/**
* Indicates a user request to answer an incoming call with video enabled
* from the specified CallPeer.
*
* @param peer the call peer that we'd like to answer.
* @throws OperationFailedException with the corresponding code if we
* encounter an error while performing this operation.
*/
public void answerVideoCallPeer(CallPeer peer)
throws OperationFailedException
{
CallPeerJabberImpl callPeer = (CallPeerJabberImpl) peer;
/* answer with video */
callPeer.getCall().setLocalVideoAllowed(true, getMediaUseCase());
callPeer.answer();
}
/**
* Returns the quality control for video calls if any.
* Return null so protocols who supports it to override it.
* @param peer the peer which this control operates on.
* @return the implemented quality control.
*/
@Override
public QualityControl getQualityControl(CallPeer peer)
{
if(peer instanceof CallPeerJabberImpl)
return ((CallPeerJabberImpl) peer).getMediaHandler().
getQualityControl();
else
return null;
}
}
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