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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/javascript_signal_strategy.h"
#include <algorithm>
#include "base/logging.h"
#include "base/string_number_conversions.h"
#include "remoting/jingle_glue/iq_request.h"
#include "remoting/jingle_glue/xmpp_proxy.h"
#include "third_party/libjingle/source/talk/xmllite/xmlelement.h"
namespace remoting {
JavascriptSignalStrategy::JavascriptSignalStrategy(const std::string& your_jid)
: your_jid_(your_jid),
listener_(NULL),
last_id_(0) {
}
JavascriptSignalStrategy::~JavascriptSignalStrategy() {
DCHECK(listener_ == NULL);
Close();
}
void JavascriptSignalStrategy::AttachXmppProxy(
scoped_refptr<XmppProxy> xmpp_proxy) {
xmpp_proxy_ = xmpp_proxy;
xmpp_proxy_->AttachCallback(AsWeakPtr());
}
void JavascriptSignalStrategy::Init(StatusObserver* observer) {
DCHECK(CalledOnValidThread());
// Blast through each state since for a JavascriptSignalStrategy, we're
// already connected.
//
// TODO(ajwong): Clarify the status API contract to see if we have to actually
// walk through each state.
observer->OnStateChange(StatusObserver::START);
observer->OnStateChange(StatusObserver::CONNECTING);
observer->OnJidChange(your_jid_);
observer->OnStateChange(StatusObserver::CONNECTED);
}
void JavascriptSignalStrategy::Close() {
DCHECK(CalledOnValidThread());
if (xmpp_proxy_) {
xmpp_proxy_->DetachCallback();
xmpp_proxy_ = NULL;
}
}
void JavascriptSignalStrategy::SetListener(Listener* listener) {
DCHECK(CalledOnValidThread());
// Don't overwrite an listener without explicitly going
// through "NULL" first.
DCHECK(listener_ == NULL || listener == NULL);
listener_ = listener;
}
void JavascriptSignalStrategy::SendStanza(buzz::XmlElement* stanza) {
DCHECK(CalledOnValidThread());
xmpp_proxy_->SendIq(stanza->Str());
delete stanza;
}
std::string JavascriptSignalStrategy::GetNextId() {
++last_id_;
return base::IntToString(last_id_);
}
IqRequest* JavascriptSignalStrategy::CreateIqRequest() {
DCHECK(CalledOnValidThread());
return new JavascriptIqRequest(this, &iq_registry_);
}
void JavascriptSignalStrategy::OnIq(const std::string& stanza_str) {
scoped_ptr<buzz::XmlElement> stanza(buzz::XmlElement::ForStr(stanza_str));
if (!stanza.get()) {
LOG(WARNING) << "Malformed XMPP stanza received: " << stanza_str;
return;
}
if (listener_ && listener_->OnIncomingStanza(stanza.get()))
return;
iq_registry_.OnIncomingStanza(stanza.get());
}
} // namespace remoting
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