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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 // Contains the history backend wrapper around the in-memory URL database. This | 5 // Contains the history backend wrapper around the in-memory URL database. This |
6 // object maintains an in-memory cache of the subset of history required to do | 6 // object maintains an in-memory cache of the subset of history required to do |
7 // in-line autocomplete. | 7 // in-line autocomplete. |
8 // | 8 // |
9 // It is created on the history thread and passed to the main thread where | 9 // It is created on the history thread and passed to the main thread where |
10 // operations can be completed synchronously. It listens for notifications | 10 // operations can be completed synchronously. It listens for notifications |
11 // from the "regular" history backend and keeps itself in sync. | 11 // from the "regular" history backend and keeps itself in sync. |
12 | 12 |
13 #ifndef CHROME_BROWSER_HISTORY_IN_MEMORY_HISTORY_BACKEND_H_ | 13 #ifndef CHROME_BROWSER_HISTORY_IN_MEMORY_HISTORY_BACKEND_H_ |
14 #define CHROME_BROWSER_HISTORY_IN_MEMORY_HISTORY_BACKEND_H_ | 14 #define CHROME_BROWSER_HISTORY_IN_MEMORY_HISTORY_BACKEND_H_ |
15 | 15 |
16 #include <string> | 16 #include <string> |
17 | 17 |
18 #include "base/basictypes.h" | 18 #include "base/basictypes.h" |
19 #include "base/gtest_prod_util.h" | 19 #include "base/gtest_prod_util.h" |
20 #include "base/memory/scoped_ptr.h" | 20 #include "base/memory/scoped_ptr.h" |
21 #include "content/public/browser/notification_observer.h" | 21 #include "content/public/browser/notification_observer.h" |
22 #include "content/public/browser/notification_registrar.h" | 22 #include "content/public/browser/notification_registrar.h" |
23 | 23 |
24 class FilePath; | |
25 class GURL; | 24 class GURL; |
26 class Profile; | 25 class Profile; |
27 | 26 |
| 27 namespace base { |
| 28 class FilePath; |
| 29 } |
| 30 |
28 namespace history { | 31 namespace history { |
29 | 32 |
30 class InMemoryDatabase; | 33 class InMemoryDatabase; |
31 class InMemoryURLIndex; | 34 class InMemoryURLIndex; |
32 struct KeywordSearchTermDetails; | 35 struct KeywordSearchTermDetails; |
33 class URLDatabase; | 36 class URLDatabase; |
34 struct URLsDeletedDetails; | 37 struct URLsDeletedDetails; |
35 struct URLsModifiedDetails; | 38 struct URLsModifiedDetails; |
36 | 39 |
37 class InMemoryHistoryBackend : public content::NotificationObserver { | 40 class InMemoryHistoryBackend : public content::NotificationObserver { |
38 public: | 41 public: |
39 InMemoryHistoryBackend(); | 42 InMemoryHistoryBackend(); |
40 virtual ~InMemoryHistoryBackend(); | 43 virtual ~InMemoryHistoryBackend(); |
41 | 44 |
42 // Initializes the backend from the history database pointed to by the | 45 // Initializes the backend from the history database pointed to by the |
43 // full path in |history_filename|. |db| is used for setting up the | 46 // full path in |history_filename|. |db| is used for setting up the |
44 // InMemoryDatabase. | 47 // InMemoryDatabase. |
45 bool Init(const FilePath& history_filename, URLDatabase* db); | 48 bool Init(const base::FilePath& history_filename, URLDatabase* db); |
46 | 49 |
47 // Does initialization work when this object is attached to the history | 50 // Does initialization work when this object is attached to the history |
48 // system on the main thread. The argument is the profile with which the | 51 // system on the main thread. The argument is the profile with which the |
49 // attached history service is under. | 52 // attached history service is under. |
50 void AttachToHistoryService(Profile* profile); | 53 void AttachToHistoryService(Profile* profile); |
51 | 54 |
52 // Returns the underlying database associated with this backend. The current | 55 // Returns the underlying database associated with this backend. The current |
53 // autocomplete code was written fro this, but it should probably be removed | 56 // autocomplete code was written fro this, but it should probably be removed |
54 // so that it can deal directly with this object, rather than the DB. | 57 // so that it can deal directly with this object, rather than the DB. |
55 InMemoryDatabase* db() const { | 58 InMemoryDatabase* db() const { |
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83 // The profile that this object is attached. May be NULL before | 86 // The profile that this object is attached. May be NULL before |
84 // initialization. | 87 // initialization. |
85 Profile* profile_; | 88 Profile* profile_; |
86 | 89 |
87 DISALLOW_COPY_AND_ASSIGN(InMemoryHistoryBackend); | 90 DISALLOW_COPY_AND_ASSIGN(InMemoryHistoryBackend); |
88 }; | 91 }; |
89 | 92 |
90 } // namespace history | 93 } // namespace history |
91 | 94 |
92 #endif // CHROME_BROWSER_HISTORY_IN_MEMORY_HISTORY_BACKEND_H_ | 95 #endif // CHROME_BROWSER_HISTORY_IN_MEMORY_HISTORY_BACKEND_H_ |
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