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/* Copyright (c) 2016, Isode Limited, London, England.
* All rights reserved.
*
* Acquisition and use of this software and related materials for any
* purpose requires a written license agreement from Isode Limited,
* or a written license from an organisation licensed by Isode Limited
* to grant such a license.
*
*/
package com.isode.stroke.whiteboard;
import com.isode.stroke.base.IDGenerator;
import com.isode.stroke.elements.IQ;
import com.isode.stroke.elements.WhiteboardElement;
import com.isode.stroke.elements.WhiteboardOperation;
import com.isode.stroke.elements.WhiteboardPayload;
import com.isode.stroke.elements.WhiteboardPayload.Type;
import com.isode.stroke.jid.JID;
import com.isode.stroke.queries.GenericRequest;
import com.isode.stroke.queries.IQRouter;
import com.isode.stroke.signals.Signal1;
public abstract class WhiteboardSession {
protected final JID toJID_;
protected final IQRouter router_;
protected String lastOpID_ = "";
protected final IDGenerator idGenerator_ = new IDGenerator();
public final Signal1<WhiteboardElement> onElementReceived = new Signal1<WhiteboardElement>();
public final Signal1<WhiteboardOperation> onOperationReceived = new Signal1<WhiteboardOperation>();
public final Signal1<JID> onSessionTerminated = new Signal1<JID>();
public final Signal1<JID> onRequestAccepted = new Signal1<JID>();
public final Signal1<JID> onRequestRejected = new Signal1<JID>();
public WhiteboardSession(JID jid,IQRouter router) {
toJID_ = jid;
router_ = router;
}
public void handleIncomingAction(WhiteboardPayload payload) {
switch(payload.getType()) {
case Data:
handleIncomingOperation(payload.getOperation());
return;
case SessionAccept:
onRequestAccepted.emit(toJID_);
return;
case SessionTerminate:
onSessionTerminated.emit(toJID_);
return;
case SessionRequest:
case UnknownType:
default:
return;
}
}
public void sendElement(WhiteboardElement element) {
WhiteboardPayload payload = new WhiteboardPayload();
payload.setElement(element);
GenericRequest<WhiteboardPayload> request =
new GenericRequest<WhiteboardPayload>(IQ.Type.Set, toJID_, payload, router_);
request.send();
}
public abstract void sendOperation(WhiteboardOperation operation);
public void cancel() {
if (router_.isAvailable()) {
WhiteboardPayload payload = new WhiteboardPayload(Type.SessionTerminate);
GenericRequest<WhiteboardPayload> request =
new GenericRequest<WhiteboardPayload>(IQ.Type.Set, toJID_, payload, router_);
request.send();
}
onSessionTerminated.emit(toJID_);
}
public JID getTo() {
return toJID_;
}
protected abstract void handleIncomingOperation(WhiteboardOperation operation);
protected final void sendPayload(WhiteboardPayload payload) {
GenericRequest<WhiteboardPayload> request = new GenericRequest<WhiteboardPayload>(IQ.Type.Set, toJID_, payload, router_);
request.send();
}
}
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Swift