Use OAuth2 refresh token to download GAIA info

chrome/browser/profiles/profile_downloader.h

 // Copyright (c) 2011 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_PROFILES_PROFILE_DOWNLOADER_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_DOWNLOADER_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string16.h"
 #include "chrome/browser/image_decoder.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/common/url_fetcher_delegate.h"
 #include "googleurl/src/gurl.h"
 #include "third_party/skia/include/core/SkBitmap.h"
+#include "chrome/common/net/gaia/oauth2_access_token_consumer.h"
 
 class ProfileDownloaderDelegate;
+class OAuth2AccessTokenFetcher;
 
 // Downloads user profile information. The profile picture is decoded in a
 // sandboxed process.
 class ProfileDownloader : public content::URLFetcherDelegate,
                           public ImageDecoder::Delegate,
-                          public content::NotificationObserver {
+                          public content::NotificationObserver,
+                          public OAuth2AccessTokenConsumer {
  public:
   explicit ProfileDownloader(ProfileDownloaderDelegate* delegate);
   virtual ~ProfileDownloader();
 
   // Starts downloading profile information if the necessary authorization token
   // is ready. If not, subscribes to token service and starts fetching if the
   // token is available. Should not be called more than once.
   virtual void Start();
 
   // On successful download this returns the full name of the user. For example
@@ skipping 12 matching lines @@
   // Overriden from ImageDecoder::Delegate:
   virtual void OnImageDecoded(const ImageDecoder* decoder,
                               const SkBitmap& decoded_image) OVERRIDE;
   virtual void OnDecodeImageFailed(const ImageDecoder* decoder) OVERRIDE;
 
   // Overriden from content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
+  // Overriden from OAuth2AccessTokenConsumer:
+  virtual void OnGetTokenSuccess(const std::string& access_token) OVERRIDE;
+  virtual void OnGetTokenFailure(const GoogleServiceAuthError& error) OVERRIDE;
+
   // Parses the entry response from Picasa and gets the nick name and
   // and profile image URL. Returns false to indicate a parsing error.
   bool GetProfileNickNameAndImageURL(const std::string& data,
                                      string16* nick_name,
                                      std::string* url) const;
 
   // Returns true if the image url is url of the default profile picture.
   bool IsDefaultProfileImageURL(const std::string& url) const;
 
   // Issues the first request to get user profile image.
   void StartFetchingImage();
 
+  // Gets the authorization header.
+  const char* GetAuthorizationHeader() const;
+
+  // Starts fetching OAuth2 access token. This is needed before the GAIA info
+  // can be downloaded.
+  void StartFetchingOAuth2AccessToken();
+
   ProfileDownloaderDelegate* delegate_;
   std::string auth_token_;
   scoped_ptr<content::URLFetcher> user_entry_fetcher_;
   scoped_ptr<content::URLFetcher> profile_image_fetcher_;
+  scoped_ptr<OAuth2AccessTokenFetcher> oauth2_access_token_fetcher_;
   content::NotificationRegistrar registrar_;
   string16 profile_full_name_;
   SkBitmap profile_picture_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileDownloader);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_DOWNLOADER_H_