1// Copyright (c) 2012 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_CHROMEOS_POLICY_USER_POLICY_TOKEN_LOADER_H_ 6#define CHROME_BROWSER_CHROMEOS_POLICY_USER_POLICY_TOKEN_LOADER_H_ 7 8#include <string> 9 10#include "base/basictypes.h" 11#include "base/files/file_path.h" 12#include "base/memory/ref_counted.h" 13#include "base/memory/weak_ptr.h" 14 15namespace policy { 16 17// Handles disk access and threading details for loading and storing tokens. 18// This is legacy-support code that reads the token from its prior location 19// within the profile directory new code keeps the token in the policy blob 20// maintained by session_manager. 21class UserPolicyTokenLoader 22 : public base::RefCountedThreadSafe<UserPolicyTokenLoader> { 23 public: 24 // Callback interface for reporting a successful load. 25 class Delegate { 26 public: 27 virtual ~Delegate(); 28 virtual void OnTokenLoaded(const std::string& token, 29 const std::string& device_id) = 0; 30 }; 31 32 UserPolicyTokenLoader(const base::WeakPtr<Delegate>& delegate, 33 const base::FilePath& cache_file); 34 35 // Starts loading the disk cache. After the load is finished, the result is 36 // reported through the delegate. 37 void Load(); 38 39 private: 40 friend class base::RefCountedThreadSafe<UserPolicyTokenLoader>; 41 ~UserPolicyTokenLoader(); 42 43 void LoadOnFileThread(); 44 void NotifyOnUIThread(const std::string& token, 45 const std::string& device_id); 46 47 const base::WeakPtr<Delegate> delegate_; 48 const base::FilePath cache_file_; 49 50 DISALLOW_COPY_AND_ASSIGN(UserPolicyTokenLoader); 51}; 52 53} // namespace policy 54 55#endif // CHROME_BROWSER_CHROMEOS_POLICY_USER_POLICY_TOKEN_LOADER_H_ 56