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   virtual ~LogoutConfirmationDialog();
  30
  31   void Update(base::TimeTicks logout_time);
  32
  33   // views::DialogDelegateView:
  34   virtual bool Accept() OVERRIDE;
  35   virtual ui::ModalType GetModalType() const OVERRIDE;
  36   virtual base::string16 GetWindowTitle() const OVERRIDE;
  37   virtual base::string16 GetDialogButtonLabel(ui::DialogButton button) const
  38       OVERRIDE;
  39   virtual void OnClosed() OVERRIDE;
  40   virtual void DeleteDelegate() OVERRIDE;
  41
  42  private:
  43   void UpdateLabel();
  44
  45   LogoutConfirmationController* controller_;
  46   base::TimeTicks logout_time_;
  47
  48   views::Label* label_;
  49
  50   base::RepeatingTimer<LogoutConfirmationDialog> update_timer_;
  51
  52   DISALLOW_COPY_AND_ASSIGN(LogoutConfirmationDialog);
  53 };
  54
  55 }  // namespace ash
  56
  57 #endif  // ASH_SYSTEM_CHROMEOS_SESSION_LOGOUT_CONFIRMATION_DIALOG_H_