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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_SIGNIN_SIGNIN_GLOBAL_ERROR_H_
6 #define CHROME_BROWSER_SIGNIN_SIGNIN_GLOBAL_ERROR_H_
7 
8 #include <set>
9 #include "base/basictypes.h"
10 #include "base/compiler_specific.h"
11 #include "chrome/browser/ui/global_error/global_error.h"
12 #include "google_apis/gaia/google_service_auth_error.h"
13 
14 class Profile;
15 
16 // Shows auth errors on the wrench menu using a bubble view and a
17 // menu item. Services that wish to expose auth errors to the user should
18 // register an AuthStatusProvider to report their current authentication state,
19 // and should invoke AuthStatusChanged() when their authentication state may
20 // have changed.
21 class SigninGlobalError : public GlobalErrorWithStandardBubble {
22  public:
23   class AuthStatusProvider {
24    public:
25     AuthStatusProvider();
26     virtual ~AuthStatusProvider();
27 
28     // Returns the account id with the status specified by GetAuthStatus().
29     virtual std::string GetAccountId() const = 0;
30 
31     // API invoked by SigninGlobalError to get the current auth status of
32     // the various signed in services.
33     virtual GoogleServiceAuthError GetAuthStatus() const = 0;
34   };
35 
36   explicit SigninGlobalError(Profile* profile);
37   virtual ~SigninGlobalError();
38 
39   // Adds a provider which the SigninGlobalError object will start querying for
40   // auth status.
41   void AddProvider(const AuthStatusProvider* provider);
42 
43   // Removes a provider previously added by SigninGlobalError (generally only
44   // called in preparation for shutdown).
45   void RemoveProvider(const AuthStatusProvider* provider);
46 
47   // Invoked when the auth status of an AuthStatusProvider has changed.
48   void AuthStatusChanged();
49 
GetAccountIdOfLastAuthError()50   std::string GetAccountIdOfLastAuthError() const { return account_id_; }
51 
GetLastAuthError()52   GoogleServiceAuthError GetLastAuthError() const { return auth_error_; }
53 
54   // GlobalError implementation.
55   virtual bool HasMenuItem() OVERRIDE;
56   virtual int MenuItemCommandID() OVERRIDE;
57   virtual base::string16 MenuItemLabel() OVERRIDE;
58   virtual void ExecuteMenuItem(Browser* browser) OVERRIDE;
59   virtual bool HasBubbleView() OVERRIDE;
60   virtual base::string16 GetBubbleViewTitle() OVERRIDE;
61   virtual std::vector<base::string16> GetBubbleViewMessages() OVERRIDE;
62   virtual base::string16 GetBubbleViewAcceptButtonLabel() OVERRIDE;
63   virtual base::string16 GetBubbleViewCancelButtonLabel() OVERRIDE;
64   virtual void OnBubbleViewDidClose(Browser* browser) OVERRIDE;
65   virtual void BubbleViewAcceptButtonPressed(Browser* browser) OVERRIDE;
66   virtual void BubbleViewCancelButtonPressed(Browser* browser) OVERRIDE;
67 
68   // Returns the SigninGlobalError instance for the given profile.
69   static SigninGlobalError* GetForProfile(Profile* profile);
70 
71  private:
72   std::set<const AuthStatusProvider*> provider_set_;
73 
74   // The account that generated the last auth error.
75   std::string account_id_;
76 
77   // The auth error detected the last time AuthStatusChanged() was invoked (or
78   // NONE if AuthStatusChanged() has never been invoked).
79   GoogleServiceAuthError auth_error_;
80 
81   // The Profile this object belongs to.
82   Profile* profile_;
83 };
84 
85 #endif  // CHROME_BROWSER_SIGNIN_SIGNIN_GLOBAL_ERROR_H_
86