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// Copyright 2014 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_SYNC_PROFILE_SYNC_AUTH_PROVIDER_H_
#define CHROME_BROWSER_SYNC_PROFILE_SYNC_AUTH_PROVIDER_H_
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "google_apis/gaia/oauth2_token_service.h"
#include "sync/internal_api/public/sync_auth_provider.h"
class ProfileOAuth2TokenService;
namespace base {
class SingleThreadTaskRunner;
} // namespace base
// ProfileSyncAuthProvider implements function for SyncAuthProvider. It doesn't
// inherit from SyncAuthProvider because it lives on UI thread while requests
// originate from sync thread. SyncThreadProxy implements SyncAuthProvider and
// forwards all requests.
class ProfileSyncAuthProvider : public OAuth2TokenService::Consumer,
public base::NonThreadSafe {
public:
ProfileSyncAuthProvider(ProfileOAuth2TokenService* token_service,
const std::string& account_id,
const std::string& scope);
virtual ~ProfileSyncAuthProvider();
// OAuth2TokenService::Consumer implementation.
virtual void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
const std::string& access_token,
const base::Time& expiration_time) OVERRIDE;
virtual void OnGetTokenFailure(const OAuth2TokenService::Request* request,
const GoogleServiceAuthError& error) OVERRIDE;
// Request access token from OAuth2TokenService. Once access token is received
// result should be posted to callback on task_runner thread.
void RequestAccessToken(
const syncer::SyncAuthProvider::RequestTokenCallback& callback,
scoped_refptr<base::SingleThreadTaskRunner> task_runner);
void InvalidateAccessToken(const std::string& token);
scoped_ptr<syncer::SyncAuthProvider> CreateProviderForSyncThread();
private:
class SyncThreadProxy;
void RespondToTokenRequest(const GoogleServiceAuthError& error,
const std::string& token);
ProfileOAuth2TokenService* token_service_;
std::string account_id_;
OAuth2TokenService::ScopeSet oauth2_scope_;
// Only one outstanding request is allowed. Previous request is reported
// cancelled if new one arrives.
scoped_ptr<OAuth2TokenService::Request> access_token_request_;
syncer::SyncAuthProvider::RequestTokenCallback request_token_callback_;
scoped_refptr<base::SingleThreadTaskRunner> callback_task_runner_;
base::WeakPtrFactory<ProfileSyncAuthProvider> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(ProfileSyncAuthProvider);
};
#endif // CHROME_BROWSER_SYNC_PROFILE_SYNC_AUTH_PROVIDER_H_
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