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 SYNC_INTERNAL_API_PUBLIC_SYNC_AUTH_PROVIDER_H_
6#define SYNC_INTERNAL_API_PUBLIC_SYNC_AUTH_PROVIDER_H_
7
8#include "base/callback.h"
9
10class GoogleServiceAuthError;
11
12namespace syncer {
13
14// SyncAuthProvider is interface to access token related functions from sync
15// engine.
16class SyncAuthProvider {
17 public:
18  typedef base::Callback<void(const GoogleServiceAuthError& error,
19                              const std::string& token)> RequestTokenCallback;
20
21  virtual ~SyncAuthProvider() {}
22
23  // Request access token for sync. Callback will be called with error and
24  // access token. If error is anything other than NONE then token is invalid.
25  virtual void RequestAccessToken(const RequestTokenCallback& callback) = 0;
26
27  // Invalidate access token that was rejected by sync server.
28  virtual void InvalidateAccessToken(const std::string& token) = 0;
29};
30
31}  // namespace syncer
32
33#endif  // SYNC_INTERNAL_API_PUBLIC_SYNC_AUTH_PROVIDER_H_
34