Add LogoutConfirmationController to show LogoutConfirmationDialogs

ash/system/session_length_limit/tray_session_length_limit.h

-// 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 ASH_SYSTEM_SESSION_LENGTH_LIMIT_TRAY_SESSION_LENGTH_LIMIT_H_
-#define ASH_SYSTEM_SESSION_LENGTH_LIMIT_TRAY_SESSION_LENGTH_LIMIT_H_
-
-#include "ash/system/session_length_limit/session_length_limit_observer.h"
-#include "ash/system/tray/system_tray_item.h"
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/time/time.h"
-#include "base/timer/timer.h"
-
-namespace ash {
-
-namespace test {
-class TraySessionLengthLimitTest;
-}
-
-namespace internal {
-
-namespace tray {
-class RemainingSessionTimeTrayView;
-}
-
-// Adds a countdown timer to the system tray if the session length is limited.
-class ASH_EXPORT TraySessionLengthLimit : public SystemTrayItem,
-                                          public SessionLengthLimitObserver {
- public:
-  enum LimitState {
-    LIMIT_NONE,
-    LIMIT_SET,
-    LIMIT_EXPIRING_SOON
-  };
-
-  explicit TraySessionLengthLimit(SystemTray* system_tray);
-  virtual ~TraySessionLengthLimit();
-
-  // SystemTrayItem:
-  virtual views::View* CreateTrayView(user::LoginStatus status) OVERRIDE;
-  virtual void DestroyTrayView() OVERRIDE;
-  virtual void UpdateAfterShelfAlignmentChange(
-      ShelfAlignment alignment) OVERRIDE;
-
-  // SessionLengthLimitObserver:
-  virtual void OnSessionStartTimeChanged() OVERRIDE;
-  virtual void OnSessionLengthLimitChanged() OVERRIDE;
-
-  LimitState GetLimitState() const;
-  base::TimeDelta GetRemainingSessionTime() const;
-
- private:
-  friend class test::TraySessionLengthLimitTest;
-
-  static const char kNotificationId[];
-
-  void Update();
-
-  bool IsTrayViewVisibleForTest();
-
-  tray::RemainingSessionTimeTrayView* tray_view_;
-
-  LimitState limit_state_;
-  base::TimeTicks session_start_time_;
-  base::TimeDelta limit_;
-  base::TimeDelta remaining_session_time_;
-  scoped_ptr<base::RepeatingTimer<TraySessionLengthLimit> > timer_;
-
-  DISALLOW_COPY_AND_ASSIGN(TraySessionLengthLimit);
-};
-
-}  // namespace internal
-}  // namespace ash
-
-#endif  // ASH_SYSTEM_SESSION_LENGTH_LIMIT_TRAY_SESSION_LENGTH_LIMIT_H_