error_screen_actor.h revision f2477e01787aa58f445919b809d89e252beef54f 
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_ERROR_SCREEN_ACTOR_H_
6#define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_ERROR_SCREEN_ACTOR_H_
7
8#include <string>
9
10#include "base/basictypes.h"
11#include "chrome/browser/chromeos/login/screens/error_screen.h"
12#include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
13
14namespace base {
15class DictionaryValue;
16}
17
18namespace chromeos {
19
20class ErrorScreenActor {
21 public:
22  // Possible network error reasons.
23  enum ErrorReason {
24    ERROR_REASON_PROXY_AUTH_CANCELLED = 0,
25    ERROR_REASON_PROXY_AUTH_SUPPLIED,
26    ERROR_REASON_PROXY_CONNECTION_FAILED,
27    ERROR_REASON_PROXY_CONFIG_CHANGED,
28    ERROR_REASON_LOADING_TIMEOUT,
29    ERROR_REASON_PORTAL_DETECTED,
30    // Reason for a case when default network has changed.
31    ERROR_REASON_NETWORK_STATE_CHANGED,
32    // Reason for a case when JS side requires error screen update.
33    ERROR_REASON_UPDATE,
34    ERROR_REASON_FRAME_ERROR
35  };
36
37  ErrorScreenActor();
38  virtual ~ErrorScreenActor();
39
40  ErrorScreen::UIState ui_state() const { return ui_state_; }
41  ErrorScreen::ErrorState error_state() const { return error_state_; }
42
43  // Returns id of the screen behind error screen ("caller" screen).
44  // Returns OobeUI::SCREEN_UNKNOWN if error screen isn't the current
45  // screen.
46  OobeUI::Screen parent_screen() const { return parent_screen_; }
47
48  // Shows the screen.
49  virtual void Show(OobeDisplay::Screen parent_screen,
50                    base::DictionaryValue* params) = 0;
51
52  // Hides the screen.
53  virtual void Hide() = 0;
54
55  // Initializes captive portal dialog and shows that if needed.
56  virtual void FixCaptivePortal() = 0;
57
58  // Shows captive portal dialog.
59  virtual void ShowCaptivePortal() = 0;
60
61  // Hides captive portal dialog.
62  virtual void HideCaptivePortal() = 0;
63
64  virtual void SetUIState(ErrorScreen::UIState ui_state) = 0;
65  virtual void SetErrorState(ErrorScreen::ErrorState error_state,
66                             const std::string& network) = 0;
67
68  virtual void AllowGuestSignin(bool allowed) = 0;
69  virtual void AllowOfflineLogin(bool allowed) = 0;
70
71  static const char* ErrorReasonString(ErrorReason reason);
72
73 protected:
74  ErrorScreen::UIState ui_state_;
75  ErrorScreen::ErrorState error_state_;
76  std::string network_;
77  bool guest_signin_allowed_;
78  bool offline_login_allowed_;
79
80  OobeUI::Screen parent_screen_;
81
82  DISALLOW_COPY_AND_ASSIGN(ErrorScreenActor);
83};
84
85}  // namespace chromeos
86
87#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_ERROR_SCREEN_ACTOR_H_
88