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      1 // Copyright 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 COMPONENTS_AUTOFILL_CONTENT_BROWSER_WALLET_WALLET_SIGNIN_HELPER_H_
      6 #define COMPONENTS_AUTOFILL_CONTENT_BROWSER_WALLET_WALLET_SIGNIN_HELPER_H_
      7 
      8 #include <string>
      9 #include <vector>
     10 
     11 #include "base/memory/scoped_ptr.h"
     12 #include "base/memory/weak_ptr.h"
     13 #include "net/url_request/url_fetcher_delegate.h"
     14 
     15 namespace net {
     16 class URLFetcher;
     17 class URLRequestContextGetter;
     18 class URLRequestStatus;
     19 }
     20 
     21 class GoogleServiceAuthError;
     22 
     23 namespace autofill {
     24 namespace wallet {
     25 
     26 class WalletSigninHelperDelegate;
     27 
     28 // Authenticates the user against the Online Wallet service.
     29 // This class is not thread-safe.  An instance may be used on any thread, but
     30 // should not be accessed from multiple threads.
     31 class WalletSigninHelper : public net::URLFetcherDelegate {
     32  public:
     33   // Constructs a helper that works with a given |delegate| and uses a given
     34   // |getter| to obtain a context for URL. Both |delegate| and |getter| shall
     35   // remain valid over the entire lifetime of the created instance.
     36   WalletSigninHelper(WalletSigninHelperDelegate* delegate,
     37                      net::URLRequestContextGetter* getter);
     38 
     39   virtual ~WalletSigninHelper();
     40 
     41   // Initiates an attempt to passively sign the user into the Online Wallet.
     42   // A passive sign-in is a non-interactive refresh of content area cookies,
     43   // and it succeeds as long as the Online Wallet service could safely accept
     44   // or refresh the existing area cookies, and the user doesn't need to be
     45   // fully reauthenticated with the service.
     46   // Either OnPassiveSigninSuccess or OnPassiveSigninFailure will be called
     47   // on the original thread.
     48   void StartPassiveSignin(size_t user_index);
     49 
     50   // Initiates the fetch of the user's Google Wallet cookie.
     51   void StartWalletCookieValueFetch();
     52 
     53  private:
     54   // Called if a service authentication error occurs.
     55   void OnServiceError(const GoogleServiceAuthError& error);
     56 
     57   // Called if any other error occurs.
     58   void OnOtherError();
     59 
     60   // URLFetcherDelegate implementation.
     61   virtual void OnURLFetchComplete(const net::URLFetcher* fetcher) OVERRIDE;
     62 
     63   // Callback for when the Google Wallet cookie has been retrieved.
     64   void ReturnWalletCookieValue(const std::string& cookie_value);
     65 
     66   // Should be valid throughout the lifetime of the instance.
     67   WalletSigninHelperDelegate* const delegate_;
     68 
     69   // URLRequestContextGetter to be used for URLFetchers.
     70   net::URLRequestContextGetter* const getter_;
     71 
     72   // While passive login/merge session URL fetches are going on:
     73   scoped_ptr<net::URLFetcher> url_fetcher_;
     74 
     75   base::WeakPtrFactory<WalletSigninHelper> weak_ptr_factory_;
     76 
     77   DISALLOW_COPY_AND_ASSIGN(WalletSigninHelper);
     78 };
     79 
     80 }  // namespace wallet
     81 }  // namespace autofill
     82 
     83 #endif  // COMPONENTS_AUTOFILL_CONTENT_BROWSER_WALLET_WALLET_SIGNIN_HELPER_H_
     84