chrome/browser/chromeos/login/screens/network_screen_actor.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_NETWORK_SCREEN_ACTOR_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_NETWORK_SCREEN_ACTOR_H_
   7
   8 #include "base/strings/string16.h"
   9
  10 namespace chromeos {
  11
  12 // Interface for dependency injection between NetworkScreen and its actual
  13 // representation, either views based or WebUI. Owned by NetworkScreen.
  14 class NetworkScreenActor {
  15  public:
  16   class Delegate {
  17    public:
  18     virtual ~Delegate() {}
  19     virtual void OnActorDestroyed(NetworkScreenActor* actor) = 0;
  20     virtual void OnContinuePressed() = 0;
  21   };
  22
  23   virtual ~NetworkScreenActor() {}
  24
  25   // Sets screen this actor belongs to.
  26   virtual void SetDelegate(Delegate* screen) = 0;
  27
  28   // Prepare the contents to showing.
  29   virtual void PrepareToShow() = 0;
  30
  31   // Shows the contents of the screen.
  32   virtual void Show() = 0;
  33
  34   // Hides the contents of the screen.
  35   virtual void Hide() = 0;
  36
  37   // Shows error message in a bubble.
  38   virtual void ShowError(const base::string16& message) = 0;
  39
  40   // Hides error messages showing no error state.
  41   virtual void ClearErrors() = 0;
  42
  43   // Shows network connecting status or network selection otherwise.
  44   virtual void ShowConnectingStatus(
  45       bool connecting,
  46       const base::string16& network_id) = 0;
  47
  48   // Sets whether continue control is enabled.
  49   virtual void EnableContinue(bool enabled) = 0;
  50 };
  51
  52 }  // namespace chromeos
  53
  54 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_NETWORK_SCREEN_ACTOR_H_