Moved XMPP notifier library from chrome/browser/sync to chrome/common....

chrome/browser/sync/notifier/communicator/single_login_attempt.h

-// Copyright (c) 2009 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.
-
-#ifndef CHROME_BROWSER_SYNC_NOTIFIER_COMMUNICATOR_SINGLE_LOGIN_ATTEMPT_H_
-#define CHROME_BROWSER_SYNC_NOTIFIER_COMMUNICATOR_SINGLE_LOGIN_ATTEMPT_H_
-
-#include <string>
-
-#include "chrome/browser/sync/notifier/communicator/login.h"
-#include "talk/base/scoped_ptr.h"
-#include "talk/base/sigslot.h"
-#include "talk/base/task.h"
-#include "talk/xmpp/xmppengine.h"
-
-namespace buzz {
-class AsyncSocket;
-class SaslHandler;
-class XmppClient;
-class XmppClientSettings;
-class XmppClientSettings;
-}
-
-namespace talk_base {
-class FirewallManager;
-struct ProxyInfo;
-class SignalThread;
-class Task;
-}
-
-namespace notifier {
-
-class ConnectionSettings;
-class LoginFailure;
-class LoginSettings;
-struct ServerInformation;
-class XmppConnectionGenerator;
-
-// Handles all of the aspects of a single login attempt (across multiple ip
-// addresses) and maintainence. By containing this within one class, when
-// another login attempt is made, this class will be disposed and all of the
-// signalling for the previous login attempt will be cleaned up immediately.
-//
-// This is a task to allow for cleaning this up when a signal is being fired.
-// Technically, delete this during the firing of a signal could work but it is
-// fragile.
-class SingleLoginAttempt : public talk_base::Task, public sigslot::has_slots<> {
- public:
-  SingleLoginAttempt(talk_base::Task* parent,
-                     LoginSettings* login_settings,
-                     bool successful_connection);
-  ~SingleLoginAttempt();
-  virtual int ProcessStart();
-  void UseNextConnection();
-  void UseCurrentConnection();
-
-  buzz::XmppClient* xmpp_client() {
-    return client_;
-  }
-
-  // Returns the proxy that is being used to connect (or the default proxy
-  // information if all attempted connections failed).
-  const talk_base::ProxyInfo& proxy() const;
-
-  // Typically handled by creating a new SingleLoginAttempt and doing
-  // StartConnection.
-  sigslot::signal0<> SignalUnexpectedDisconnect;
-
-  // Typically handled by storing the redirect for 5 seconds, and setting it
-  // into LoginSettings, then creating a new SingleLoginAttempt, and doing
-  // StartConnection.
-  //
-  // SignalRedirect(const std::string& redirect_server, int redirect_port);
-  sigslot::signal2<const std::string&, int> SignalRedirect;
-
-  sigslot::signal0<> SignalNeedAutoReconnect;
-
-  // SignalClientStateChange(buzz::XmppEngine::State new_state);
-  sigslot::signal1<buzz::XmppEngine::State> SignalClientStateChange;
-
-  // See the LoginFailure for how to handle this.
-  sigslot::signal1<const LoginFailure&> SignalLoginFailure;
-
-  // Sent when there is a graceful log-off (state goes to closed with no
-  // error).
-  sigslot::signal0<> SignalLogoff;
-
-  sigslot::repeater2<const char*, int> SignalLogInput;
-  sigslot::repeater2<const char*, int> SignalLogOutput;
-
- protected:
-  virtual void Stop();
-
- private:
-  void DoLogin(const ConnectionSettings& connection_settings);
-  buzz::AsyncSocket* CreateSocket(const buzz::XmppClientSettings& xcs);
-  static buzz::SaslHandler* CreateSaslHandler(
-      const buzz::XmppClientSettings& xcs);
-
-  // Cleans up any xmpp client state to get ready for a new one.
-  void ClearClient();
-
-  void HandleConnectionError(
-      buzz::XmppEngine::Error code,
-      int subcode,
-      const buzz::XmlElement* stream_error);
-  void HandleConnectionPasswordError();
-
-  void DiagnoseConnectionError();
-  void OnHttpTestDone(talk_base::SignalThread* thread);
-
-  void OnAuthenticationError();
-  void OnCertificateExpired();
-  void OnFreshAuthCookie(const std::string& auth_cookie);
-  void OnClientStateChange(buzz::XmppEngine::State state);
-  void OnClientStateChangeClosed(buzz::XmppEngine::State previous_state);
-  void OnAttemptedAllConnections(bool successfully_resolved_dns,
-                                 int first_dns_error);
-
-  bool auto_reconnect() const;
-
-  buzz::XmppEngine::State state_;
-  buzz::XmppEngine::Error code_;
-  int subcode_;
-  bool need_authentication_;
-  bool certificate_expired_;
-  bool cookie_refreshed_;
-  bool successful_connection_;
-  LoginSettings* login_settings_;
-  buzz::XmppClient* client_;
-  scoped_ptr<XmppConnectionGenerator> connection_generator_;
-
-  DISALLOW_COPY_AND_ASSIGN(SingleLoginAttempt);
-};
-
-}  // namespace notifier
-
-#endif  // CHROME_BROWSER_SYNC_NOTIFIER_COMMUNICATOR_SINGLE_LOGIN_ATTEMPT_H_