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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/jingle_glue/xmpp_iq_request.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "third_party/libjingle/source/talk/xmpp/constants.h"
#include "third_party/libjingle/source/talk/xmpp/xmppclient.h"
namespace remoting {
XmppIqRequest::XmppIqRequest(MessageLoop* message_loop,
buzz::XmppClient* xmpp_client)
: message_loop_(message_loop),
xmpp_client_(xmpp_client),
cookie_(NULL) {
DCHECK(xmpp_client_);
DCHECK_EQ(MessageLoop::current(), message_loop_);
}
XmppIqRequest::~XmppIqRequest() {
DCHECK_EQ(MessageLoop::current(), message_loop_);
Unregister();
}
void XmppIqRequest::SendIq(buzz::XmlElement* stanza) {
DCHECK_EQ(MessageLoop::current(), message_loop_);
// Unregister the handler if it is already registered.
Unregister();
stanza->AddAttr(buzz::QN_ID, xmpp_client_->NextId());
xmpp_client_->engine()->SendIq(stanza, this, &cookie_);
}
void XmppIqRequest::set_callback(const ReplyCallback& callback) {
callback_ = callback;
}
void XmppIqRequest::Unregister() {
if (cookie_) {
// No need to unregister the handler if the client has been destroyed.
if (xmpp_client_) {
xmpp_client_->engine()->RemoveIqHandler(cookie_, NULL);
}
cookie_ = NULL;
}
}
void XmppIqRequest::IqResponse(buzz::XmppIqCookie cookie,
const buzz::XmlElement* stanza) {
if (!callback_.is_null()) {
callback_.Run(stanza);
callback_.Reset();
}
}
} // namespace remoting
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