components/signin/core/browser/signin_manager_cookie_helper.h

   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 SingleThreadTaskRunner;
  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::SingleThreadTaskRunner> ui_thread,
  29       scoped_refptr<base::SingleThreadTaskRunner> 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 task runner that this class uses as its UI thread.
  60   scoped_refptr<base::SingleThreadTaskRunner> ui_thread_;
  61   // The task runner that this class uses as its IO thread.
  62   scoped_refptr<base::SingleThreadTaskRunner> io_thread_;
  63   DISALLOW_COPY_AND_ASSIGN(SigninManagerCookieHelper);
  64 };
  65
  66 #endif  // COMPONENTS_SIGNIN_CORE_BROWSER_SIGNIN_MANAGER_COOKIE_HELPER_H_