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

   1 // Copyright (c) 2012 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_VIEW_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_UPDATE_VIEW_H_
   7
   8 #include "base/strings/string16.h"
   9
  10 namespace chromeos {
  11
  12 class UpdateModel;
  13
  14 // Interface for dependency injection between NetworkScreen and its actual
  15 // representation. Owned by UpdateScreen.
  16 class UpdateView {
  17  public:
  18   virtual ~UpdateView() {}
  19
  20   // Prepare the contents to showing.
  21   virtual void PrepareToShow() = 0;
  22
  23   // Shows the contents of the screen.
  24   virtual void Show() = 0;
  25
  26   // Hides the contents of the screen.
  27   virtual void Hide() = 0;
  28
  29   // Binds |model| to the view.
  30   virtual void Bind(UpdateModel& model) = 0;
  31
  32   // Unbinds model from the view.
  33   virtual void Unbind() = 0;
  34 };
  35
  36 }  // namespace chromeos
  37
  38 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_UPDATE_VIEW_H_