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1 // Copyright (c) 2011 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 CHROME_BROWSER_BROWSING_DATA_COOKIE_HELPER_H_ | |
6 #define CHROME_BROWSER_BROWSING_DATA_COOKIE_HELPER_H_ | |
7 #pragma once | |
8 | |
9 #include <string> | |
10 | |
11 #include "base/basictypes.h" | |
12 #include "base/callback.h" | |
13 #include "base/memory/ref_counted.h" | |
14 #include "net/base/cookie_monster.h" | |
15 | |
16 class GURL; | |
17 class Profile; | |
18 | |
19 namespace net { | |
20 class URLRequestContextGetter; | |
21 } | |
22 | |
23 // This class fetches cookie information on behalf of a caller | |
24 // on the UI thread. | |
25 // A client of this class need to call StartFetching from the UI thread to | |
26 // initiate the flow, and it'll be notified by the callback in its UI | |
27 // thread at some later point. | |
28 // The client must call CancelNotification() if it's destroyed before the | |
29 // callback is notified. | |
30 class BrowsingDataCookieHelper | |
31 : public base::RefCountedThreadSafe<BrowsingDataCookieHelper> { | |
32 public: | |
33 explicit BrowsingDataCookieHelper(Profile* profile); | |
34 | |
35 // Starts the fetching process, which will notify its completion via | |
36 // callback. | |
37 // This must be called only in the UI thread. | |
38 virtual void StartFetching( | |
39 const base::Callback<void(const net::CookieList& cookies)>& callback); | |
40 | |
41 // Cancels the notification callback (i.e., the window that created it no | |
42 // longer exists). | |
43 // This must be called only in the UI thread. | |
44 virtual void CancelNotification(); | |
45 | |
46 // Requests a single cookie to be deleted in the IO thread. This must be | |
47 // called in the UI thread. | |
48 virtual void DeleteCookie(const net::CookieMonster::CanonicalCookie& cookie); | |
49 | |
50 protected: | |
51 friend class base::RefCountedThreadSafe<BrowsingDataCookieHelper>; | |
52 virtual ~BrowsingDataCookieHelper(); | |
53 | |
54 private: | |
55 // Fetch the cookies. This must be called in the IO thread. | |
56 void FetchCookiesOnIOThread(); | |
57 | |
58 // Callback function for get cookie. This must be called in the IO thread. | |
59 void OnFetchComplete(const net::CookieList& cookies); | |
60 | |
61 // Notifies the completion callback. This must be called in the UI thread. | |
62 void NotifyInUIThread(const net::CookieList& cookies); | |
63 | |
64 // Delete a single cookie. This must be called in IO thread. | |
65 void DeleteCookieOnIOThread( | |
66 const net::CookieMonster::CanonicalCookie& cookie); | |
67 | |
68 // Indicates whether or not we're currently fetching information: | |
69 // it's true when StartFetching() is called in the UI thread, and it's reset | |
70 // after we notify the callback in the UI thread. | |
71 // This only mutates on the UI thread. | |
72 bool is_fetching_; | |
73 | |
74 Profile* profile_; | |
75 | |
76 scoped_refptr<net::URLRequestContextGetter> request_context_getter_; | |
77 | |
78 // This only mutates on the UI thread. | |
79 base::Callback<void(const net::CookieList& cookies)> completion_callback_; | |
80 | |
81 DISALLOW_COPY_AND_ASSIGN(BrowsingDataCookieHelper); | |
82 }; | |
83 | |
84 // This class is a thin wrapper around BrowsingDataCookieHelper that does not | |
85 // fetch its information from the persistent cookie store, but gets them passed | |
86 // as a parameter during construction. | |
87 class CannedBrowsingDataCookieHelper : public BrowsingDataCookieHelper { | |
88 public: | |
89 explicit CannedBrowsingDataCookieHelper(Profile* profile); | |
90 | |
91 // Return a copy of the cookie helper. Only one consumer can use the | |
92 // StartFetching method at a time, so we need to create a copy of the helper | |
93 // everytime we instantiate a cookies tree model for it. | |
94 CannedBrowsingDataCookieHelper* Clone(); | |
95 | |
96 // Adds cookies and delete the current cookies with the same Name, Domain, | |
97 // and Path as the newly created ones. | |
98 void AddReadCookies(const GURL& url, | |
99 const net::CookieList& cookie_list); | |
100 | |
101 // Adds cookies that will be stored by the CookieMonster. Designed to mirror | |
102 // the logic of SetCookieWithOptions. | |
103 void AddChangedCookie(const GURL& url, | |
104 const std::string& cookie_line, | |
105 const net::CookieOptions& options); | |
106 | |
107 // Clears the list of canned cookies. | |
108 void Reset(); | |
109 | |
110 // True if no cookie are currently stored. | |
111 bool empty() const; | |
112 | |
113 // BrowsingDataCookieHelper methods. | |
114 virtual void StartFetching( | |
115 const net::CookieMonster::GetCookieListCallback& callback); | |
116 virtual void CancelNotification(); | |
117 | |
118 private: | |
119 // Check if the cookie list contains a cookie with the same name, | |
120 // domain, and path as the newly created cookie. Delete the old cookie | |
121 // if does. | |
122 bool DeleteMetchingCookie( | |
123 const net::CookieMonster::CanonicalCookie& add_cookie); | |
124 | |
125 virtual ~CannedBrowsingDataCookieHelper(); | |
126 | |
127 net::CookieList cookie_list_; | |
128 | |
129 Profile* profile_; | |
130 | |
131 DISALLOW_COPY_AND_ASSIGN(CannedBrowsingDataCookieHelper); | |
132 }; | |
133 | |
134 #endif // CHROME_BROWSER_BROWSING_DATA_COOKIE_HELPER_H_ | |
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