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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 // 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 KeywordSearchUpdatedDetails; | 44 struct KeywordSearchUpdatedDetails; |
sdefresne
2014/12/24 09:03:43
KeywordSearchUpdatedDetails is not used anywhere,
Abhishek
2014/12/24 19:39:41
Done.
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45 struct KeywordSearchDeletedDetails; | 45 struct KeywordSearchDeletedDetails; |
46 class URLDatabase; | 46 class URLDatabase; |
47 class URLRow; | 47 class URLRow; |
48 struct URLsDeletedDetails; | 48 struct URLsDeletedDetails; |
49 struct URLsModifiedDetails; | 49 struct URLsModifiedDetails; |
50 | 50 |
51 class InMemoryHistoryBackend : public HistoryServiceObserver, | 51 class InMemoryHistoryBackend : public HistoryServiceObserver, |
52 public content::NotificationObserver { | 52 public content::NotificationObserver { |
53 public: | 53 public: |
54 InMemoryHistoryBackend(); | 54 InMemoryHistoryBackend(); |
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75 } | 75 } |
76 | 76 |
77 // HistoryServiceObserver: | 77 // HistoryServiceObserver: |
78 void OnURLVisited(HistoryService* history_service, | 78 void OnURLVisited(HistoryService* history_service, |
79 ui::PageTransition transition, | 79 ui::PageTransition transition, |
80 const URLRow& row, | 80 const URLRow& row, |
81 const RedirectList& redirects, | 81 const RedirectList& redirects, |
82 base::Time visit_time) override; | 82 base::Time visit_time) override; |
83 void OnURLsModified(HistoryService* history_service, | 83 void OnURLsModified(HistoryService* history_service, |
84 const URLRows& changed_urls) override; | 84 const URLRows& changed_urls) override; |
85 | 85 |
sdefresne
2014/12/24 09:03:43
nit: remove empty line
Abhishek
2014/12/24 19:39:41
Done.
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86 void HistoryKeywordSearchTermUpdated(HistoryService* history_service, | |
87 const URLRow& row, | |
88 KeywordID keyword_id, | |
89 const base::string16& term) override; | |
90 | |
86 // Notification callback. | 91 // Notification callback. |
87 void Observe(int type, | 92 void Observe(int type, |
88 const content::NotificationSource& source, | 93 const content::NotificationSource& source, |
89 const content::NotificationDetails& details) override; | 94 const content::NotificationDetails& details) override; |
90 | 95 |
91 private: | 96 private: |
92 FRIEND_TEST_ALL_PREFIXES(HistoryBackendTest, DeleteAll); | 97 FRIEND_TEST_ALL_PREFIXES(HistoryBackendTest, DeleteAll); |
93 | 98 |
94 // Handler for HISTORY_URL_VISITED and HISTORY_URLS_MODIFIED. | 99 // Handler for HISTORY_URL_VISITED and HISTORY_URLS_MODIFIED. |
95 void OnURLVisitedOrModified(const URLRow& url_row); | 100 void OnURLVisitedOrModified(const URLRow& url_row); |
96 | 101 |
97 // Handler for HISTORY_URLS_DELETED. | 102 // Handler for HISTORY_URLS_DELETED. |
98 void OnURLsDeleted(const URLsDeletedDetails& details); | 103 void OnURLsDeleted(const URLsDeletedDetails& details); |
99 | 104 |
100 // Handler for HISTORY_KEYWORD_SEARCH_TERM_UPDATED. | 105 // Handler for HISTORY_KEYWORD_SEARCH_TERM_UPDATED. |
101 void OnKeywordSearchTermUpdated(const KeywordSearchUpdatedDetails& details); | 106 void OnKeywordSearchTermUpdated(const URLRow& row, |
107 KeywordID keyword_id, | |
108 const base::string16& term); | |
102 | 109 |
103 // Handler for HISTORY_KEYWORD_SEARCH_TERM_DELETED. | 110 // Handler for HISTORY_KEYWORD_SEARCH_TERM_DELETED. |
104 void OnKeywordSearchTermDeleted(const KeywordSearchDeletedDetails& details); | 111 void OnKeywordSearchTermDeleted(const KeywordSearchDeletedDetails& details); |
105 | 112 |
106 content::NotificationRegistrar registrar_; | 113 content::NotificationRegistrar registrar_; |
107 | 114 |
108 scoped_ptr<InMemoryDatabase> db_; | 115 scoped_ptr<InMemoryDatabase> db_; |
109 | 116 |
110 // The profile that this object is attached. May be NULL before | 117 // The profile that this object is attached. May be NULL before |
111 // initialization. | 118 // initialization. |
112 Profile* profile_; | 119 Profile* profile_; |
113 ScopedObserver<HistoryService, HistoryServiceObserver> | 120 ScopedObserver<HistoryService, HistoryServiceObserver> |
114 history_service_observer_; | 121 history_service_observer_; |
115 HistoryService* history_service_; | 122 HistoryService* history_service_; |
116 | 123 |
117 DISALLOW_COPY_AND_ASSIGN(InMemoryHistoryBackend); | 124 DISALLOW_COPY_AND_ASSIGN(InMemoryHistoryBackend); |
118 }; | 125 }; |
119 | 126 |
120 } // namespace history | 127 } // namespace history |
121 | 128 |
122 #endif // CHROME_BROWSER_HISTORY_IN_MEMORY_HISTORY_BACKEND_H_ | 129 #endif // CHROME_BROWSER_HISTORY_IN_MEMORY_HISTORY_BACKEND_H_ |
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