chrome/browser/chromeos/login/screens/update_model.h

   1 // Copyright 2015 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 CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_UPDATE_MODEL_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_UPDATE_MODEL_H_
   7
   8 #include "chrome/browser/chromeos/login/screens/base_screen.h"
   9
  10 namespace base {
  11 class ListValue;
  12 }
  13
  14 namespace chromeos {
  15
  16 class BaseScreenDelegate;
  17 class UpdateView;
  18
  19 class UpdateModel : public BaseScreen {
  20  public:
  21   static const char kUserActionCancelUpdateShortcut[];
  22   static const char kContextKeyEstimatedTimeLeftSec[];
  23   static const char kContextKeyShowEstimatedTimeLeft[];
  24   static const char kContextKeyUpdateMessage[];
  25   static const char kContextKeyShowCurtain[];
  26   static const char kContextKeyShowProgressMessage[];
  27   static const char kContextKeyProgress[];
  28   static const char kContextKeyProgressMessage[];
  29   static const char kContextKeyCancelUpdateShortcutEnabled[];
  30
  31   explicit UpdateModel(BaseScreenDelegate* base_screen_delegate);
  32   ~UpdateModel() override;
  33
  34   // BaseScreen implementation:
  35   std::string GetName() const override;
  36
  37   // This method is called, when view is being destroyed. Note, if model
  38   // is destroyed earlier then it has to call Unbind().
  39   virtual void OnViewDestroyed(UpdateView* view) = 0;
  40 };
  41
  42 }  // namespace chromeos
  43
  44 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_UPDATE_MODEL_H_