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      1 // Copyright 2014 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_SIGNIN_CORE_BROWSER_SIGNIN_MANAGER_COOKIE_HELPER_H_
      6 #define COMPONENTS_SIGNIN_CORE_BROWSER_SIGNIN_MANAGER_COOKIE_HELPER_H_
      7 
      8 #include "base/callback_helpers.h"
      9 #include "base/memory/ref_counted.h"
     10 #include "net/cookies/canonical_cookie.h"
     11 #include "net/url_request/url_request_context_getter.h"
     12 
     13 namespace base {
     14 class MessageLoopProxy;
     15 }
     16 
     17 namespace net {
     18 class URLRequestContextGetter;
     19 }
     20 
     21 // This class fetches GAIA cookie on IO thread on behalf of SigninManager which
     22 // only lives on the UI thread.
     23 class SigninManagerCookieHelper
     24     : public base::RefCountedThreadSafe<SigninManagerCookieHelper> {
     25  public:
     26   explicit SigninManagerCookieHelper(
     27       net::URLRequestContextGetter* request_context_getter,
     28       scoped_refptr<base::MessageLoopProxy> ui_thread,
     29       scoped_refptr<base::MessageLoopProxy> io_thread);
     30 
     31   // Starts fetching gaia cookies, which will notify its completion via
     32   // callback.
     33   void StartFetchingGaiaCookiesOnUIThread(
     34       const base::Callback<void(const net::CookieList& cookies)>& callback);
     35 
     36   // Starts fetching cookies for the given URL. This must be called on
     37   // |ui_thread_|.
     38   void StartFetchingCookiesOnUIThread(
     39       const GURL& url,
     40       const base::Callback<void(const net::CookieList& cookies)>& callback);
     41 
     42  private:
     43   friend class base::RefCountedThreadSafe<SigninManagerCookieHelper>;
     44   ~SigninManagerCookieHelper();
     45 
     46   // Fetch cookies for the given URL. This must be called on |io_thread_|.
     47   void FetchCookiesOnIOThread(const GURL& url);
     48 
     49   // Callback for fetching cookies. This must be called on |io_thread_|.
     50   void OnCookiesFetched(const net::CookieList& cookies);
     51 
     52   // Notifies the completion callback. This must be called on |ui_thread_|.
     53   void NotifyOnUIThread(const net::CookieList& cookies);
     54 
     55   scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
     56   // This only mutates on |ui_thread_|.
     57   base::Callback<void(const net::CookieList& cookies)> completion_callback_;
     58 
     59   // The MessageLoopProxy that this class uses as its UI thread.
     60   scoped_refptr<base::MessageLoopProxy> ui_thread_;
     61   // The MessageLoopProxy that this class uses as its IO thread.
     62   scoped_refptr<base::MessageLoopProxy> io_thread_;
     63   DISALLOW_COPY_AND_ASSIGN(SigninManagerCookieHelper);
     64 };
     65 
     66 #endif  // COMPONENTS_SIGNIN_CORE_BROWSER_SIGNIN_MANAGER_COOKIE_HELPER_H_
     67