ash/system/chromeos/session/logout_confirmation_dialog.h

   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 ASH_SYSTEM_CHROMEOS_SESSION_LOGOUT_CONFIRMATION_DIALOG_H_
   6 #define ASH_SYSTEM_CHROMEOS_SESSION_LOGOUT_CONFIRMATION_DIALOG_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/time/time.h"
  11 #include "base/timer/timer.h"
  12 #include "ui/views/window/dialog_delegate.h"
  13
  14 namespace views {
  15 class Label;
  16 }
  17
  18 namespace ash {
  19
  20 class LogoutConfirmationController;
  21
  22 // A dialog that asks the user to confirm or deny logout. The dialog shows a
  23 // countdown and informs the user that a logout will happen automatically if no
  24 // choice is made before the countdown has expired.
  25 class LogoutConfirmationDialog : public views::DialogDelegateView {
  26  public:
  27   LogoutConfirmationDialog(LogoutConfirmationController* controller,
  28                            base::TimeTicks logout_time);
  29   ~LogoutConfirmationDialog() override;
  30
  31   void Update(base::TimeTicks logout_time);
  32
  33   // views::DialogDelegateView:
  34   bool Accept() override;
  35   ui::ModalType GetModalType() const override;
  36   base::string16 GetWindowTitle() const override;
  37   base::string16 GetDialogButtonLabel(ui::DialogButton button) const override;
  38   void OnClosed() override;
  39   void DeleteDelegate() override;
  40
  41  private:
  42   void UpdateLabel();
  43
  44   LogoutConfirmationController* controller_;
  45   base::TimeTicks logout_time_;
  46
  47   views::Label* label_;
  48
  49   base::RepeatingTimer<LogoutConfirmationDialog> update_timer_;
  50
  51   DISALLOW_COPY_AND_ASSIGN(LogoutConfirmationDialog);
  52 };
  53
  54 }  // namespace ash
  55
  56 #endif  // ASH_SYSTEM_CHROMEOS_SESSION_LOGOUT_CONFIRMATION_DIALOG_H_