components/autofill/content/browser/wallet/wallet_signin_helper.h

   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_