chrome/browser/ui/webui/chromeos/login/authenticated_user_email_retriever.h

   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
  17 class GaiaAuthFetcher;
  18
  19 namespace net {
  20 class URLRequestContextGetter;
  21 }
  22
  23 namespace chromeos {
  24
  25 // Helper class that retrieves the authenticated user's e-mail address.
  26 class 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   ~AuthenticatedUserEmailRetriever() override;
  39
  40   // GaiaAuthConsumer:
  41   void OnListAccountsSuccess(const std::string& data) override;
  42   void OnListAccountsFailure(const GoogleServiceAuthError& error) override;
  43
  44  private:
  45   const AuthenticatedUserEmailCallback callback_;
  46   GaiaAuthFetcher gaia_auth_fetcher_;
  47
  48   DISALLOW_COPY_AND_ASSIGN(AuthenticatedUserEmailRetriever);
  49 };
  50
  51 }  // namespace chromeos
  52
  53 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_AUTHENTICATED_USER_EMAIL_RETRIEVER_H_