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      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_EULA_SCREEN_ACTOR_H_
      6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_EULA_SCREEN_ACTOR_H_
      7 
      8 #include <string>
      9 
     10 #include "ui/gfx/size.h"
     11 #include "url/gurl.h"
     12 
     13 namespace chromeos {
     14 
     15 // Interface between eula screen and its representation, either WebUI or
     16 // Views one. Note, do not forget to call OnActorDestroyed in the dtor.
     17 class EulaScreenActor {
     18  public:
     19   // Allows us to get info from eula screen that we need.
     20   class Delegate {
     21    public:
     22     virtual ~Delegate() {}
     23 
     24     // Returns URL of the OEM EULA page that should be displayed using current
     25     // locale and manifest. Returns empty URL otherwise.
     26     virtual GURL GetOemEulaUrl() const = 0;
     27 
     28     // Called when screen is exited. |accepted| indicates if EULA was
     29     // accepted or not.
     30     virtual void OnExit(bool accepted, bool usage_stats_enabled) = 0;
     31 
     32     // Initiate TPM password fetch. Will call actor's OnPasswordFetched() when
     33     // done.
     34     virtual void InitiatePasswordFetch() = 0;
     35 
     36     // Returns true if usage statistics reporting is enabled.
     37     virtual bool IsUsageStatsEnabled() const = 0;
     38 
     39     // This method is called, when actor is being destroyed. Note, if Delegate
     40     // is destroyed earlier then it has to call SetDelegate(NULL).
     41     virtual void OnActorDestroyed(EulaScreenActor* actor) = 0;
     42   };
     43 
     44   virtual ~EulaScreenActor() {}
     45 
     46   virtual void PrepareToShow() = 0;
     47   virtual void Show() = 0;
     48   virtual void Hide() = 0;
     49   virtual void SetDelegate(Delegate* delegate) = 0;
     50   virtual void OnPasswordFetched(const std::string& tpm_password) = 0;
     51 };
     52 
     53 }  // namespace chromeos
     54 
     55 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_EULA_SCREEN_ACTOR_H_
     56