1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_AUTHENTICATED_USER_EMAIL_RETRIEVER_H_
6#define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_AUTHENTICATED_USER_EMAIL_RETRIEVER_H_
7
8#include <string>
9
10#include "base/basictypes.h"
11#include "base/callback.h"
12#include "base/compiler_specific.h"
13#include "base/memory/ref_counted.h"
14#include "google_apis/gaia/gaia_auth_consumer.h"
15#include "google_apis/gaia/gaia_auth_fetcher.h"
16
17class GaiaAuthFetcher;
18
19namespace net {
20class URLRequestContextGetter;
21}
22
23namespace chromeos {
24
25// Helper class that retrieves the authenticated user's e-mail address.
26class AuthenticatedUserEmailRetriever : public GaiaAuthConsumer {
27 public:
28  typedef base::Callback<void(const std::string&)>
29      AuthenticatedUserEmailCallback;
30
31  // Retrieves the authenticated user's e-mail address from GAIA and passes it
32  // to |callback|. Requires that |url_request_context_getter| contain the GAIA
33  // cookies for exactly one user. If the e-mail address cannot be retrieved, an
34  // empty string is passed to the |callback|.
35  AuthenticatedUserEmailRetriever(
36      const AuthenticatedUserEmailCallback& callback,
37      scoped_refptr<net::URLRequestContextGetter> url_request_context_getter);
38  virtual ~AuthenticatedUserEmailRetriever();
39
40  // GaiaAuthConsumer:
41  virtual void OnListAccountsSuccess(const std::string& data) OVERRIDE;
42  virtual void OnListAccountsFailure(const GoogleServiceAuthError& error)
43      OVERRIDE;
44
45 private:
46  const AuthenticatedUserEmailCallback callback_;
47  GaiaAuthFetcher gaia_auth_fetcher_;
48
49  DISALLOW_COPY_AND_ASSIGN(AuthenticatedUserEmailRetriever);
50};
51
52}  // namespace chromeos
53
54#endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_AUTHENTICATED_USER_EMAIL_RETRIEVER_H_
55