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

   1 // Copyright (c) 2013 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_TERMS_OF_SERVICE_SCREEN_ACTOR_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_TERMS_OF_SERVICE_SCREEN_ACTOR_H_
   7
   8 #include <string>
   9
  10 namespace chromeos {
  11
  12 // Interface for dependency injection between TermsOfServiceScreen and its
  13 // WebUI representation.
  14 class TermsOfServiceScreenActor {
  15  public:
  16   class Delegate {
  17    public:
  18     virtual ~Delegate() {}
  19
  20     // Called when the user declines the Terms of Service.
  21     virtual void OnDecline() = 0;
  22
  23     // Called when the user accepts the Terms of Service.
  24     virtual void OnAccept() = 0;
  25
  26     // Called when actor is destroyed so there is no dead reference to it.
  27     virtual void OnActorDestroyed(TermsOfServiceScreenActor* actor) = 0;
  28   };
  29
  30   virtual ~TermsOfServiceScreenActor() {}
  31
  32   // Sets screen this actor belongs to.
  33   virtual void SetDelegate(Delegate* screen) = 0;
  34
  35   // Shows the contents of the screen.
  36   virtual void Show() = 0;
  37
  38   // Hides the contents of the screen.
  39   virtual void Hide() = 0;
  40
  41   // Sets the domain name whose Terms of Service are being shown.
  42   virtual void SetDomain(const std::string& domain) = 0;
  43
  44   // Called when the download of the Terms of Service fails. Show an error
  45   // message to the user.
  46   virtual void OnLoadError() = 0;
  47
  48   // Called when the download of the Terms of Service is successful. Shows the
  49   // downloaded |terms_of_service| to the user.
  50   virtual void OnLoadSuccess(const std::string& terms_of_service) = 0;
  51 };
  52
  53 }  // namespace chromeos
  54
  55 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_TERMS_OF_SERVICE_SCREEN_ACTOR_H_