chrome/browser/sync/profile_sync_auth_provider.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_SYNC_PROFILE_SYNC_AUTH_PROVIDER_H_
   6 #define CHROME_BROWSER_SYNC_PROFILE_SYNC_AUTH_PROVIDER_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "google_apis/gaia/oauth2_token_service.h"
  11 #include "sync/internal_api/public/sync_auth_provider.h"
  12
  13 class ProfileOAuth2TokenService;
  14
  15 namespace base {
  16 class SingleThreadTaskRunner;
  17 }  // namespace base
  18
  19 // ProfileSyncAuthProvider implements function for SyncAuthProvider. It doesn't
  20 // inherit from SyncAuthProvider because it lives on UI thread while requests
  21 // originate from sync thread. SyncThreadProxy implements SyncAuthProvider and
  22 // forwards all requests.
  23 class ProfileSyncAuthProvider : public OAuth2TokenService::Consumer,
  24                                 public base::NonThreadSafe {
  25  public:
  26   ProfileSyncAuthProvider(ProfileOAuth2TokenService* token_service,
  27                           const std::string& account_id,
  28                           const std::string& scope);
  29   ~ProfileSyncAuthProvider() override;
  30
  31   // OAuth2TokenService::Consumer implementation.
  32   void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
  33                          const std::string& access_token,
  34                          const base::Time& expiration_time) override;
  35   void OnGetTokenFailure(const OAuth2TokenService::Request* request,
  36                          const GoogleServiceAuthError& error) override;
  37
  38   // Request access token from OAuth2TokenService. Once access token is received
  39   // result should be posted to callback on task_runner thread.
  40   void RequestAccessToken(
  41       const syncer::SyncAuthProvider::RequestTokenCallback& callback,
  42       scoped_refptr<base::SingleThreadTaskRunner> task_runner);
  43
  44   void InvalidateAccessToken(const std::string& token);
  45
  46   scoped_ptr<syncer::SyncAuthProvider> CreateProviderForSyncThread();
  47
  48  private:
  49   class SyncThreadProxy;
  50
  51   void RespondToTokenRequest(const GoogleServiceAuthError& error,
  52                              const std::string& token);
  53
  54   ProfileOAuth2TokenService* token_service_;
  55   std::string account_id_;
  56   OAuth2TokenService::ScopeSet oauth2_scope_;
  57
  58   // Only one outstanding request is allowed. Previous request is reported
  59   // cancelled if new one arrives.
  60   scoped_ptr<OAuth2TokenService::Request> access_token_request_;
  61   syncer::SyncAuthProvider::RequestTokenCallback request_token_callback_;
  62   scoped_refptr<base::SingleThreadTaskRunner> callback_task_runner_;
  63
  64   base::WeakPtrFactory<ProfileSyncAuthProvider> weak_factory_;
  65
  66   DISALLOW_COPY_AND_ASSIGN(ProfileSyncAuthProvider);
  67 };
  68
  69 #endif  // CHROME_BROWSER_SYNC_PROFILE_SYNC_AUTH_PROVIDER_H_