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// Copyright (c) 2012 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_POLICY_USER_POLICY_TOKEN_LOADER_H_
#define CHROME_BROWSER_POLICY_USER_POLICY_TOKEN_LOADER_H_
#include <string>
#include "base/basictypes.h"
#include "base/file_path.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
namespace policy {
// Handles disk access and threading details for loading and storing tokens.
// This is legacy-support code that reads the token from its prior location
// within the profile directory new code keeps the token in the policy blob
// maintained by session_manager.
class UserPolicyTokenLoader
: public base::RefCountedThreadSafe<UserPolicyTokenLoader> {
public:
// Callback interface for reporting a successful load.
class Delegate {
public:
virtual ~Delegate();
virtual void OnTokenLoaded(const std::string& token,
const std::string& device_id) = 0;
};
UserPolicyTokenLoader(const base::WeakPtr<Delegate>& delegate,
const base::FilePath& cache_file);
// Starts loading the disk cache. After the load is finished, the result is
// reported through the delegate.
void Load();
private:
friend class base::RefCountedThreadSafe<UserPolicyTokenLoader>;
~UserPolicyTokenLoader();
void LoadOnFileThread();
void NotifyOnUIThread(const std::string& token,
const std::string& device_id);
const base::WeakPtr<Delegate> delegate_;
const base::FilePath cache_file_;
DISALLOW_COPY_AND_ASSIGN(UserPolicyTokenLoader);
};
} // namespace policy
#endif // CHROME_BROWSER_POLICY_USER_POLICY_TOKEN_LOADER_H_
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