OLD | NEW |
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 // The InMemoryHistoryBackend is a wrapper around the in-memory URL database. | 5 // The InMemoryHistoryBackend is a wrapper around the in-memory URL database. |
6 // It maintains an in-memory cache of a subset of history that is required for | 6 // It maintains an in-memory cache of a subset of history that is required for |
7 // low-latency operations, such as in-line autocomplete. | 7 // low-latency operations, such as in-line autocomplete. |
8 // | 8 // |
9 // The in-memory cache provides the following guarantees: | 9 // The in-memory cache provides the following guarantees: |
10 // (1.) It will always contain URLRows that either have a |typed_count| > 0; or | 10 // (1.) It will always contain URLRows that either have a |typed_count| > 0; or |
(...skipping 23 matching lines...) Expand all Loading... |
34 class HistoryService; | 34 class HistoryService; |
35 class Profile; | 35 class Profile; |
36 | 36 |
37 namespace base { | 37 namespace base { |
38 class FilePath; | 38 class FilePath; |
39 } | 39 } |
40 | 40 |
41 namespace history { | 41 namespace history { |
42 | 42 |
43 class InMemoryDatabase; | 43 class InMemoryDatabase; |
44 struct KeywordSearchDeletedDetails; | |
45 class URLDatabase; | 44 class URLDatabase; |
46 class URLRow; | 45 class URLRow; |
47 struct URLsDeletedDetails; | 46 struct URLsDeletedDetails; |
48 struct URLsModifiedDetails; | 47 struct URLsModifiedDetails; |
49 | 48 |
50 class InMemoryHistoryBackend : public HistoryServiceObserver, | 49 class InMemoryHistoryBackend : public HistoryServiceObserver, |
51 public content::NotificationObserver { | 50 public content::NotificationObserver { |
52 public: | 51 public: |
53 InMemoryHistoryBackend(); | 52 InMemoryHistoryBackend(); |
54 ~InMemoryHistoryBackend() override; | 53 ~InMemoryHistoryBackend() override; |
(...skipping 23 matching lines...) Expand all Loading... |
78 ui::PageTransition transition, | 77 ui::PageTransition transition, |
79 const URLRow& row, | 78 const URLRow& row, |
80 const RedirectList& redirects, | 79 const RedirectList& redirects, |
81 base::Time visit_time) override; | 80 base::Time visit_time) override; |
82 void OnURLsModified(HistoryService* history_service, | 81 void OnURLsModified(HistoryService* history_service, |
83 const URLRows& changed_urls) override; | 82 const URLRows& changed_urls) override; |
84 void OnKeywordSearchTermUpdated(HistoryService* history_service, | 83 void OnKeywordSearchTermUpdated(HistoryService* history_service, |
85 const URLRow& row, | 84 const URLRow& row, |
86 KeywordID keyword_id, | 85 KeywordID keyword_id, |
87 const base::string16& term) override; | 86 const base::string16& term) override; |
| 87 void OnKeywordSearchTermDeleted(HistoryService* history_service, |
| 88 URLID url_id) override; |
88 | 89 |
89 // Notification callback. | 90 // Notification callback. |
90 void Observe(int type, | 91 void Observe(int type, |
91 const content::NotificationSource& source, | 92 const content::NotificationSource& source, |
92 const content::NotificationDetails& details) override; | 93 const content::NotificationDetails& details) override; |
93 | 94 |
94 private: | 95 private: |
95 FRIEND_TEST_ALL_PREFIXES(HistoryBackendTest, DeleteAll); | 96 FRIEND_TEST_ALL_PREFIXES(HistoryBackendTest, DeleteAll); |
96 | 97 |
97 // Handler for HISTORY_URL_VISITED and HISTORY_URLS_MODIFIED. | 98 // Handler for HISTORY_URL_VISITED and HISTORY_URLS_MODIFIED. |
98 void OnURLVisitedOrModified(const URLRow& url_row); | 99 void OnURLVisitedOrModified(const URLRow& url_row); |
99 | 100 |
100 // Handler for HISTORY_URLS_DELETED. | 101 // Handler for HISTORY_URLS_DELETED. |
101 void OnURLsDeleted(const URLsDeletedDetails& details); | 102 void OnURLsDeleted(const URLsDeletedDetails& details); |
102 | 103 |
103 // Handler for HISTORY_KEYWORD_SEARCH_TERM_DELETED. | |
104 void OnKeywordSearchTermDeleted(const KeywordSearchDeletedDetails& details); | |
105 | |
106 content::NotificationRegistrar registrar_; | 104 content::NotificationRegistrar registrar_; |
107 | 105 |
108 scoped_ptr<InMemoryDatabase> db_; | 106 scoped_ptr<InMemoryDatabase> db_; |
109 | 107 |
110 // The profile that this object is attached. May be NULL before | 108 // The profile that this object is attached. May be NULL before |
111 // initialization. | 109 // initialization. |
112 Profile* profile_; | 110 Profile* profile_; |
113 ScopedObserver<HistoryService, HistoryServiceObserver> | 111 ScopedObserver<HistoryService, HistoryServiceObserver> |
114 history_service_observer_; | 112 history_service_observer_; |
115 HistoryService* history_service_; | 113 HistoryService* history_service_; |
116 | 114 |
117 DISALLOW_COPY_AND_ASSIGN(InMemoryHistoryBackend); | 115 DISALLOW_COPY_AND_ASSIGN(InMemoryHistoryBackend); |
118 }; | 116 }; |
119 | 117 |
120 } // namespace history | 118 } // namespace history |
121 | 119 |
122 #endif // CHROME_BROWSER_HISTORY_IN_MEMORY_HISTORY_BACKEND_H_ | 120 #endif // CHROME_BROWSER_HISTORY_IN_MEMORY_HISTORY_BACKEND_H_ |
OLD | NEW |