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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_BROWSING_DATA_LOCAL_STORAGE_HELPER_H_ | 5 #ifndef CHROME_BROWSER_BROWSING_DATA_LOCAL_STORAGE_HELPER_H_ |
6 #define CHROME_BROWSER_BROWSING_DATA_LOCAL_STORAGE_HELPER_H_ | 6 #define CHROME_BROWSER_BROWSING_DATA_LOCAL_STORAGE_HELPER_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <list> | 9 #include <list> |
10 #include <set> | 10 #include <set> |
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28 // This class fetches local storage information in the WebKit thread, and | 28 // This class fetches local storage information in the WebKit thread, and |
29 // notifies the UI thread upon completion. | 29 // notifies the UI thread upon completion. |
30 // A client of this class need to call StartFetching from the UI thread to | 30 // A client of this class need to call StartFetching from the UI thread to |
31 // initiate the flow, and it'll be notified by the callback in its UI | 31 // initiate the flow, and it'll be notified by the callback in its UI |
32 // thread at some later point. | 32 // thread at some later point. |
33 class BrowsingDataLocalStorageHelper | 33 class BrowsingDataLocalStorageHelper |
34 : public base::RefCountedThreadSafe<BrowsingDataLocalStorageHelper> { | 34 : public base::RefCountedThreadSafe<BrowsingDataLocalStorageHelper> { |
35 public: | 35 public: |
36 // Contains detailed information about local storage. | 36 // Contains detailed information about local storage. |
37 struct LocalStorageInfo { | 37 struct LocalStorageInfo { |
38 LocalStorageInfo(); | |
39 LocalStorageInfo( | 38 LocalStorageInfo( |
40 const std::string& protocol, | 39 const std::string& protocol, |
41 const std::string& host, | 40 const std::string& host, |
42 unsigned short port, | 41 unsigned short port, |
43 const std::string& database_identifier, | 42 const std::string& database_identifier, |
44 const std::string& origin, | 43 const std::string& origin, |
45 const FilePath& file_path, | 44 const FilePath& file_path, |
46 int64 size, | 45 int64 size, |
47 base::Time last_modified); | 46 base::Time last_modified); |
48 ~LocalStorageInfo(); | 47 ~LocalStorageInfo(); |
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79 | 78 |
80 // This only mutates on the UI thread. | 79 // This only mutates on the UI thread. |
81 base::Callback<void(const std::list<LocalStorageInfo>&)> completion_callback_; | 80 base::Callback<void(const std::list<LocalStorageInfo>&)> completion_callback_; |
82 | 81 |
83 // Indicates whether or not we're currently fetching information: | 82 // Indicates whether or not we're currently fetching information: |
84 // it's true when StartFetching() is called in the UI thread, and it's reset | 83 // it's true when StartFetching() is called in the UI thread, and it's reset |
85 // after we notified the callback in the UI thread. | 84 // after we notified the callback in the UI thread. |
86 // This only mutates on the UI thread. | 85 // This only mutates on the UI thread. |
87 bool is_fetching_; | 86 bool is_fetching_; |
88 | 87 |
89 // This only mutates in the WEBKIT thread. | 88 // This only mutates in the FILE thread. |
Bernhard Bauer
2012/05/10 17:18:59
That's not really true.
These BrowsingDataHelper
markusheintz_
2012/05/11 12:18:28
Yeah I forgot to mention the UI thread.
I checked
Bernhard Bauer
2012/05/11 13:05:00
Yeah, that's what I meant. Invariants of the form
markusheintz_
2012/05/14 11:00:54
I tried to make this comment a bit more useful.
| |
90 std::list<LocalStorageInfo> local_storage_info_; | 89 std::list<LocalStorageInfo> local_storage_info_; |
91 | 90 |
92 private: | 91 private: |
93 // Called back with the all the local storage files. | 92 // Called back with the all the local storage files. |
94 void GetAllStorageFilesCallback(const std::vector<FilePath>& files); | 93 void GetAllStorageFilesCallback(const std::vector<FilePath>& files); |
95 // Get the file info on the file thread. | 94 // Get the file info on the file thread. |
96 void FetchLocalStorageInfo(const std::vector<FilePath>& files); | 95 void FetchLocalStorageInfo(const std::vector<FilePath>& files); |
97 | 96 |
98 DISALLOW_COPY_AND_ASSIGN(BrowsingDataLocalStorageHelper); | 97 DISALLOW_COPY_AND_ASSIGN(BrowsingDataLocalStorageHelper); |
99 }; | 98 }; |
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117 | 116 |
118 // Clear the list of canned local storages. | 117 // Clear the list of canned local storages. |
119 void Reset(); | 118 void Reset(); |
120 | 119 |
121 // True if no local storages are currently stored. | 120 // True if no local storages are currently stored. |
122 bool empty() const; | 121 bool empty() const; |
123 | 122 |
124 // Returns the number of local storages currently stored. | 123 // Returns the number of local storages currently stored. |
125 size_t GetLocalStorageCount() const; | 124 size_t GetLocalStorageCount() const; |
126 | 125 |
126 // Returns the set of origins that use local storage. | |
127 const std::set<GURL>& GetLocalStorageInfo() const; | |
128 | |
127 // BrowsingDataLocalStorageHelper implementation. | 129 // BrowsingDataLocalStorageHelper implementation. |
128 virtual void StartFetching( | 130 virtual void StartFetching( |
129 const base::Callback<void(const std::list<LocalStorageInfo>&)>& callback) | 131 const base::Callback<void(const std::list<LocalStorageInfo>&)>& callback) |
130 OVERRIDE; | 132 OVERRIDE; |
131 | 133 |
132 private: | 134 private: |
133 virtual ~CannedBrowsingDataLocalStorageHelper(); | 135 virtual ~CannedBrowsingDataLocalStorageHelper(); |
134 | 136 |
135 // Convert the pending local storage info to local storage info objects. | 137 // Convert the pending local storage info to local storage info objects. |
136 void ConvertPendingInfo(); | 138 void ConvertPendingInfo(); |
137 | 139 |
138 std::set<GURL> pending_local_storage_info_; | 140 std::set<GURL> pending_local_storage_info_; |
139 | 141 |
140 Profile* profile_; | 142 Profile* profile_; |
141 | 143 |
142 DISALLOW_COPY_AND_ASSIGN(CannedBrowsingDataLocalStorageHelper); | 144 DISALLOW_COPY_AND_ASSIGN(CannedBrowsingDataLocalStorageHelper); |
143 }; | 145 }; |
144 | 146 |
145 #endif // CHROME_BROWSER_BROWSING_DATA_LOCAL_STORAGE_HELPER_H_ | 147 #endif // CHROME_BROWSER_BROWSING_DATA_LOCAL_STORAGE_HELPER_H_ |
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