chrome/browser/session_id.h


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// Copyright (c) 2006-2008 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_SESSION_ID_H_
#define CHROME_BROWSER_SESSION_ID_H_

// SessionID ------------------------------------------------------------------

// Uniquely identifies a session, tab or window.

class SessionID {
  friend class SessionService;
 public:
  typedef int32 id_type;

  SessionID();
  ~SessionID() {}

  // Returns the underlying id.
  id_type id() const { return id_; }

  // Returns true if the two commands are equal.
  bool Equals(const SessionID& other) const;

 private:
  explicit SessionID(id_type id) : id_(id) {}

  // Resets the id. This is used when restoring a session
  void set_id(id_type id) { id_ = id; }

  id_type id_;
};

#endif  // CHROME_BROWSER_SESSION_ID_H_