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// Copyright (c) 2010 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 <string>
#include <vector>

#include "chrome/common/net/gaia/gaia_auth_consumer.h"

class Profile;

namespace chromeos {

class Authenticator;
class LoginStatusConsumer;

class LoginUtils {
  // Get LoginUtils singleton object. If it was not set before, new default
  // instance will be created.
  static LoginUtils* Get();

  // Set LoginUtils singleton object for test purpose only!
  static void Set(LoginUtils* ptr);

  // Thin wrapper around BrowserInit::LaunchBrowser().  Meant to be used in a
  // Task posted to the UI thread.
  static void DoBrowserLaunch(Profile* profile);

  // Extracts specified param from given ClientLogin response.
  // Returns the param value if found, empty string otherwise.
  // Ex. prefix: "Auth=", suffix: "\n"
  static std::string ExtractClientLoginParam(const std::string& credentials,
                                             const std::string& param_prefix,
                                             const std::string& param_suffix);

  virtual ~LoginUtils() {}

  // Returns true if we are still waiting for wifi connection.
  virtual bool ShouldWaitForWifi() = 0;

  // Invoked after the user has successfully logged in. This launches a browser
  // and does other bookkeeping after logging in.
  virtual void CompleteLogin(const std::string& username,
      const GaiaAuthConsumer::ClientLoginResult& credentials) = 0;

  // Invoked after the tmpfs is successfully mounted.
  // Launches a browser in the off the record (incognito) mode.
  virtual void CompleteOffTheRecordLogin() = 0;

  // Creates and returns the authenticator to use. The caller owns the returned
  // Authenticator and must delete it when done.
  virtual Authenticator* CreateAuthenticator(LoginStatusConsumer* consumer) = 0;

  // Used to postpone browser launch via DoBrowserLaunch() if some post
  // login screen is to be shown.
  virtual void EnableBrowserLaunch(bool enable) = 0;

  // Returns if browser launch enabled now or not.
  virtual bool IsBrowserLaunchEnabled() const = 0;

  // Returns auth token for 'cp' Contacts service.
  virtual const std::string& GetAuthToken() const = 0;

}  // namespace chromeos


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