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_SIGNIN_ABOUT_SIGNIN_INTERNALS_H_
6#define CHROME_BROWSER_SIGNIN_ABOUT_SIGNIN_INTERNALS_H_
7
8#include <map>
9#include <string>
10
11#include "base/memory/scoped_ptr.h"
12#include "base/observer_list.h"
13#include "base/values.h"
14#include "chrome/browser/signin/signin_internals_util.h"
15#include "chrome/browser/signin/signin_manager.h"
16#include "chrome/browser/signin/signin_manager_factory.h"
17#include "chrome/common/chrome_version_info.h"
18#include "components/browser_context_keyed_service/browser_context_keyed_service.h"
19
20class Profile;
21
22// This class collects authentication, signin and token information
23// to propagate to about:signin-internals via SigninInternalsUI.
24class AboutSigninInternals
25    : public BrowserContextKeyedService,
26      public signin_internals_util::SigninDiagnosticsObserver {
27 public:
28  class Observer {
29   public:
30    // |info| will contain the dictionary of signin_status_ values as indicated
31    // in the comments for GetSigninStatus() below.
32    virtual void OnSigninStateChanged(scoped_ptr<DictionaryValue> info) = 0;
33  };
34
35  AboutSigninInternals();
36  virtual ~AboutSigninInternals();
37
38  // Each instance of SigninInternalsUI adds itself as an observer to be
39  // notified of all updates that AboutSigninInternals receives.
40  void AddSigninObserver(Observer* observer);
41  void RemoveSigninObserver(Observer* observer);
42
43  // Pulls all signin values that have been persisted in the user prefs.
44  void RefreshSigninPrefs();
45
46  // SigninManager::SigninDiagnosticsObserver implementation.
47  virtual void NotifySigninValueChanged(
48      const signin_internals_util::UntimedSigninStatusField& field,
49      const std::string& value) OVERRIDE;
50
51  virtual void NotifySigninValueChanged(
52      const signin_internals_util::TimedSigninStatusField& field,
53      const std::string& value) OVERRIDE;
54
55  void Initialize(Profile* profile);
56
57  // BrowserContextKeyedService implementation.
58  virtual void Shutdown() OVERRIDE;
59
60  // Returns a dictionary of values in signin_status_ for use in
61  // about:signin-internals. The values are formatted as shown -
62  //
63  // { "signin_info" :
64  //     [ {"title": "Basic Information",
65  //        "data": [List of {"label" : "foo-field", "value" : "foo"} elems]
66  //       },
67  //       { "title": "Detailed Information",
68  //        "data": [List of {"label" : "foo-field", "value" : "foo"} elems]
69  //       }],
70  //   "token_info" :
71  //     [ List of {"name": "foo-name", "token" : "foo-token",
72  //                 "status": "foo_stat", "time" : "foo_time"} elems]
73  //  }
74  scoped_ptr<DictionaryValue> GetSigninStatus();
75
76  // Returns the time of the last fetch/refresh for the token specified by
77  // |token_name|. See signin_internals_util::kTokenPrefsArray for valid token
78  // names. If |token_name| is invalid, returns base::Time().
79  base::Time GetTokenTime(const std::string& token_name) const;
80
81 private:
82  void NotifyObservers();
83
84  // Weak pointer to parent profile.
85  Profile* profile_;
86
87  // Encapsulates the actual signin and token related values.
88  // Most of the values are mirrored in the prefs for persistance.
89  signin_internals_util::SigninStatus signin_status_;
90
91  ObserverList<Observer> signin_observers_;
92
93  DISALLOW_COPY_AND_ASSIGN(AboutSigninInternals);
94};
95
96#endif  // CHROME_BROWSER_SIGNIN_ABOUT_SIGNIN_INTERNALS_H_
97