ios/net/cookies/cookie_creation_time_manager.h

   1 // Copyright 2012 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 IOS_NET_COOKIES_COOKIE_CREATION_TIME_MANAGER_H_
   6 #define IOS_NET_COOKIES_COOKIE_CREATION_TIME_MANAGER_H_
   7
   8 #include <set>
   9
  10 #include "base/containers/hash_tables.h"
  11 #include "base/threading/thread_checker.h"
  12 #include "base/time/time.h"
  13
  14 @class NSHTTPCookie;
  15
  16 namespace net {
  17
  18 // The CookieCreationTimeManager allows to get and set the creation time of a
  19 // NSHTTPCookie.
  20 // Creation time data is stored either in the cookie properties (when the cookie
  21 // is created by the system) or in |creation_times_| (when the cookie is created
  22 // by CookieStoreIOS). When both are available, |creation_times_| is used,
  23 // because the cookie property only has a one second precision.
  24 class CookieCreationTimeManager {
  25  public:
  26   CookieCreationTimeManager();
  27   ~CookieCreationTimeManager();
  28   // Sets the creation time for |cookie|.
  29   // |creation_time| must be unique (not used by another cookie).
  30   void SetCreationTime(NSHTTPCookie* cookie, const base::Time& creation_time);
  31   // Creates a unique creation time (to be used in SetCreationTime()) that is
  32   // as close as possible to |creation_time|.
  33   base::Time MakeUniqueCreationTime(const base::Time& creation_time);
  34   // Gets the creation time for |cookie|.
  35   base::Time GetCreationTime(NSHTTPCookie* cookie);
  36   // Deletes the creation time for |cookie|.
  37   void DeleteCreationTime(NSHTTPCookie* cookie);
  38   // Clears all the creation times.
  39   void Clear();
  40
  41  private:
  42   base::hash_map<std::string, base::Time> creation_times_;
  43   std::set<base::Time> unique_times_;
  44   base::ThreadChecker thread_checker_;
  45 };
  46
  47 }  // namespace net
  48
  49 #endif  // IOS_NET_COOKIES_COOKIE_CREATION_TIME_MANAGER_H_