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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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_EXTENSIONS_ACTIVITY_LOG_COUNTING_POLICY_H_ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_COUNTING_POLICY_H_ |
6 #define CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_COUNTING_POLICY_H_ | 6 #define CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_COUNTING_POLICY_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/containers/hash_tables.h" | 10 #include "base/containers/hash_tables.h" |
11 #include "chrome/browser/extensions/activity_log/activity_database.h" | 11 #include "chrome/browser/extensions/activity_log/activity_database.h" |
12 #include "chrome/browser/extensions/activity_log/activity_log_policy.h" | 12 #include "chrome/browser/extensions/activity_log/activity_log_policy.h" |
13 #include "chrome/browser/extensions/activity_log/database_string_table.h" | 13 #include "chrome/browser/extensions/activity_log/database_string_table.h" |
14 | 14 |
15 namespace extensions { | 15 namespace extensions { |
16 | 16 |
17 // A policy for logging the stream of actions, but with most arguments stripped | 17 // A policy for logging the stream of actions, but with most arguments stripped |
18 // out (to improve privacy and reduce database size) and with multiple | 18 // out (to improve privacy and reduce database size) and with multiple |
19 // identical rows combined together using a count column to track the total | 19 // identical rows combined together using a count column to track the total |
20 // number of repetitions. Identical rows within the same day are merged, but | 20 // number of repetitions. Identical rows within the same day are merged, but |
21 // actions on separate days are kept distinct. Data is kept for up to a few | 21 // actions on separate days are kept distinct. Data is kept for up to a few |
22 // days then deleted. | 22 // days then deleted. |
23 class CountingPolicy : public ActivityLogDatabasePolicy { | 23 class CountingPolicy : public ActivityLogDatabasePolicy { |
24 public: | 24 public: |
25 explicit CountingPolicy(Profile* profile); | 25 explicit CountingPolicy(Profile* profile); |
26 virtual ~CountingPolicy(); | 26 virtual ~CountingPolicy(); |
27 | 27 |
28 virtual void ProcessAction(scoped_refptr<Action> action) OVERRIDE; | 28 virtual void ProcessAction(scoped_refptr<Action> action) override; |
29 | 29 |
30 virtual void ReadFilteredData( | 30 virtual void ReadFilteredData( |
31 const std::string& extension_id, | 31 const std::string& extension_id, |
32 const Action::ActionType type, | 32 const Action::ActionType type, |
33 const std::string& api_name, | 33 const std::string& api_name, |
34 const std::string& page_url, | 34 const std::string& page_url, |
35 const std::string& arg_url, | 35 const std::string& arg_url, |
36 const int days_ago, | 36 const int days_ago, |
37 const base::Callback | 37 const base::Callback |
38 <void(scoped_ptr<Action::ActionVector>)>& callback) OVERRIDE; | 38 <void(scoped_ptr<Action::ActionVector>)>& callback) override; |
39 | 39 |
40 virtual void Close() OVERRIDE; | 40 virtual void Close() override; |
41 | 41 |
42 // Gets or sets the amount of time that old records are kept in the database. | 42 // Gets or sets the amount of time that old records are kept in the database. |
43 const base::TimeDelta& retention_time() const { return retention_time_; } | 43 const base::TimeDelta& retention_time() const { return retention_time_; } |
44 void set_retention_time(const base::TimeDelta& delta) { | 44 void set_retention_time(const base::TimeDelta& delta) { |
45 retention_time_ = delta; | 45 retention_time_ = delta; |
46 } | 46 } |
47 | 47 |
48 // Remove actions (rows) which IDs are specified in the action_ids array. | 48 // Remove actions (rows) which IDs are specified in the action_ids array. |
49 virtual void RemoveActions(const std::vector<int64>& action_ids) OVERRIDE; | 49 virtual void RemoveActions(const std::vector<int64>& action_ids) override; |
50 | 50 |
51 // Clean the URL data stored for this policy. | 51 // Clean the URL data stored for this policy. |
52 virtual void RemoveURLs(const std::vector<GURL>&) OVERRIDE; | 52 virtual void RemoveURLs(const std::vector<GURL>&) override; |
53 | 53 |
54 // Clean the data related to this extension for this policy. | 54 // Clean the data related to this extension for this policy. |
55 virtual void RemoveExtensionData(const std::string& extension_id) OVERRIDE; | 55 virtual void RemoveExtensionData(const std::string& extension_id) override; |
56 | 56 |
57 // Delete everything in the database. | 57 // Delete everything in the database. |
58 virtual void DeleteDatabase() OVERRIDE; | 58 virtual void DeleteDatabase() override; |
59 | 59 |
60 // The main database table, and the name for a read-only view that | 60 // The main database table, and the name for a read-only view that |
61 // decompresses string values for easier parsing. | 61 // decompresses string values for easier parsing. |
62 static const char* kTableName; | 62 static const char* kTableName; |
63 static const char* kReadViewName; | 63 static const char* kReadViewName; |
64 | 64 |
65 protected: | 65 protected: |
66 // The ActivityDatabase::Delegate interface. These are always called from | 66 // The ActivityDatabase::Delegate interface. These are always called from |
67 // the database thread. | 67 // the database thread. |
68 virtual bool InitDatabase(sql::Connection* db) OVERRIDE; | 68 virtual bool InitDatabase(sql::Connection* db) override; |
69 virtual bool FlushDatabase(sql::Connection* db) OVERRIDE; | 69 virtual bool FlushDatabase(sql::Connection* db) override; |
70 virtual void OnDatabaseFailure() OVERRIDE; | 70 virtual void OnDatabaseFailure() override; |
71 virtual void OnDatabaseClose() OVERRIDE; | 71 virtual void OnDatabaseClose() override; |
72 | 72 |
73 private: | 73 private: |
74 // A type used to track pending writes to the database. The key is an action | 74 // A type used to track pending writes to the database. The key is an action |
75 // to write; the value is the amount by which the count field should be | 75 // to write; the value is the amount by which the count field should be |
76 // incremented in the database. | 76 // incremented in the database. |
77 typedef std::map< | 77 typedef std::map< |
78 scoped_refptr<Action>, | 78 scoped_refptr<Action>, |
79 int, | 79 int, |
80 ActionComparatorExcludingTimeAndActionId> | 80 ActionComparatorExcludingTimeAndActionId> |
81 ActionQueue; | 81 ActionQueue; |
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148 | 148 |
149 friend class CountingPolicyTest; | 149 friend class CountingPolicyTest; |
150 FRIEND_TEST_ALL_PREFIXES(CountingPolicyTest, EarlyFlush); | 150 FRIEND_TEST_ALL_PREFIXES(CountingPolicyTest, EarlyFlush); |
151 FRIEND_TEST_ALL_PREFIXES(CountingPolicyTest, MergingAndExpiring); | 151 FRIEND_TEST_ALL_PREFIXES(CountingPolicyTest, MergingAndExpiring); |
152 FRIEND_TEST_ALL_PREFIXES(CountingPolicyTest, StringTableCleaning); | 152 FRIEND_TEST_ALL_PREFIXES(CountingPolicyTest, StringTableCleaning); |
153 }; | 153 }; |
154 | 154 |
155 } // namespace extensions | 155 } // namespace extensions |
156 | 156 |
157 #endif // CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_COUNTING_POLICY_H_ | 157 #endif // CHROME_BROWSER_EXTENSIONS_ACTIVITY_LOG_COUNTING_POLICY_H_ |
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