| // Copyright (c) 2012 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/xmpp_proxy.h" |
| #include "third_party/libjingle/source/talk/xmllite/xmlelement.h" |
| |
| namespace remoting { |
| |
| JavascriptSignalStrategy::JavascriptSignalStrategy(const std::string& local_jid) |
| : local_jid_(local_jid), |
| last_id_(0) { |
| } |
| |
| JavascriptSignalStrategy::~JavascriptSignalStrategy() { |
| DCHECK_EQ(listeners_.size(), 0U); |
| Disconnect(); |
| } |
| |
| void JavascriptSignalStrategy::AttachXmppProxy( |
| scoped_refptr<XmppProxy> xmpp_proxy) { |
| DCHECK(CalledOnValidThread()); |
| xmpp_proxy_ = xmpp_proxy; |
| } |
| |
| void JavascriptSignalStrategy::Connect() { |
| DCHECK(CalledOnValidThread()); |
| |
| xmpp_proxy_->AttachCallback(AsWeakPtr()); |
| FOR_EACH_OBSERVER(Listener, listeners_, |
| OnSignalStrategyStateChange(CONNECTED)); |
| } |
| |
| void JavascriptSignalStrategy::Disconnect() { |
| DCHECK(CalledOnValidThread()); |
| |
| if (xmpp_proxy_) |
| xmpp_proxy_->DetachCallback(); |
| FOR_EACH_OBSERVER(Listener, listeners_, |
| OnSignalStrategyStateChange(DISCONNECTED)); |
| } |
| |
| SignalStrategy::State JavascriptSignalStrategy::GetState() const { |
| DCHECK(CalledOnValidThread()); |
| // TODO(sergeyu): Extend XmppProxy to provide status of the |
| // connection. |
| return CONNECTED; |
| } |
| |
| SignalStrategy::Error JavascriptSignalStrategy::GetError() const { |
| DCHECK(CalledOnValidThread()); |
| // TODO(sergeyu): Extend XmppProxy to provide status of the |
| // connection. |
| return OK; |
| } |
| |
| std::string JavascriptSignalStrategy::GetLocalJid() const { |
| DCHECK(CalledOnValidThread()); |
| return local_jid_; |
| } |
| |
| void JavascriptSignalStrategy::AddListener(Listener* listener) { |
| DCHECK(CalledOnValidThread()); |
| listeners_.AddObserver(listener); |
| } |
| |
| void JavascriptSignalStrategy::RemoveListener(Listener* listener) { |
| DCHECK(CalledOnValidThread()); |
| listeners_.RemoveObserver(listener); |
| } |
| |
| bool JavascriptSignalStrategy::SendStanza(scoped_ptr<buzz::XmlElement> stanza) { |
| DCHECK(CalledOnValidThread()); |
| xmpp_proxy_->SendIq(stanza->Str()); |
| return true; |
| } |
| |
| std::string JavascriptSignalStrategy::GetNextId() { |
| DCHECK(CalledOnValidThread()); |
| ++last_id_; |
| return base::IntToString(last_id_); |
| } |
| |
| void JavascriptSignalStrategy::OnIq(const std::string& stanza_str) { |
| DCHECK(CalledOnValidThread()); |
| scoped_ptr<buzz::XmlElement> stanza(buzz::XmlElement::ForStr(stanza_str)); |
| if (!stanza.get()) { |
| LOG(WARNING) << "Malformed XMPP stanza received: " << stanza_str; |
| return; |
| } |
| |
| ObserverListBase<Listener>::Iterator it(listeners_); |
| Listener* listener; |
| while ((listener = it.GetNext()) != NULL) { |
| if (listener->OnSignalStrategyIncomingStanza(stanza.get())) |
| break; |
| } |
| } |
| |
| } // namespace remoting |