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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_INDEXED_DB_HELPER_H_ | 5 #ifndef CHROME_BROWSER_BROWSING_DATA_INDEXED_DB_HELPER_H_ |
| 6 #define CHROME_BROWSER_BROWSING_DATA_INDEXED_DB_HELPER_H_ | 6 #define CHROME_BROWSER_BROWSING_DATA_INDEXED_DB_HELPER_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <list> |
| 9 #include <string> | 10 #include <string> |
| 10 #include <vector> | |
| 11 | 11 |
| 12 #include "base/callback_old.h" | 12 #include "base/callback_old.h" |
| 13 #include "base/file_path.h" | 13 #include "base/file_path.h" |
| 14 #include "base/memory/ref_counted.h" | 14 #include "base/memory/ref_counted.h" |
| 15 #include "base/memory/scoped_ptr.h" | 15 #include "base/memory/scoped_ptr.h" |
| 16 #include "base/synchronization/lock.h" | 16 #include "base/synchronization/lock.h" |
| 17 #include "base/time.h" | 17 #include "base/time.h" |
| 18 #include "chrome/common/url_constants.h" | 18 #include "chrome/common/url_constants.h" |
| 19 #include "googleurl/src/gurl.h" | 19 #include "googleurl/src/gurl.h" |
| 20 | 20 |
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| 57 }; | 57 }; |
| 58 | 58 |
| 59 // Create a BrowsingDataIndexedDBHelper instance for the indexed databases | 59 // Create a BrowsingDataIndexedDBHelper instance for the indexed databases |
| 60 // stored in |profile|'s user data directory. | 60 // stored in |profile|'s user data directory. |
| 61 static BrowsingDataIndexedDBHelper* Create(Profile* profile); | 61 static BrowsingDataIndexedDBHelper* Create(Profile* profile); |
| 62 | 62 |
| 63 // Starts the fetching process, which will notify its completion via | 63 // Starts the fetching process, which will notify its completion via |
| 64 // callback. | 64 // callback. |
| 65 // This must be called only in the UI thread. | 65 // This must be called only in the UI thread. |
| 66 virtual void StartFetching( | 66 virtual void StartFetching( |
| 67 Callback1<const std::vector<IndexedDBInfo>& >::Type* callback) = 0; | 67 Callback1<const std::list<IndexedDBInfo>& >::Type* callback) = 0; |
| 68 // Cancels the notification callback (i.e., the window that created it no | 68 // Cancels the notification callback (i.e., the window that created it no |
| 69 // longer exists). | 69 // longer exists). |
| 70 // This must be called only in the UI thread. | 70 // This must be called only in the UI thread. |
| 71 virtual void CancelNotification() = 0; | 71 virtual void CancelNotification() = 0; |
| 72 // Requests a single indexed database file to be deleted in the WEBKIT thread. | 72 // Requests a single indexed database file to be deleted in the WEBKIT thread. |
| 73 virtual void DeleteIndexedDBFile(const FilePath& file_path) = 0; | 73 virtual void DeleteIndexedDBFile(const FilePath& file_path) = 0; |
| 74 | 74 |
| 75 protected: | 75 protected: |
| 76 friend class base::RefCountedThreadSafe<BrowsingDataIndexedDBHelper>; | 76 friend class base::RefCountedThreadSafe<BrowsingDataIndexedDBHelper>; |
| 77 virtual ~BrowsingDataIndexedDBHelper() {} | 77 virtual ~BrowsingDataIndexedDBHelper() {} |
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| 96 const string16& description); | 96 const string16& description); |
| 97 | 97 |
| 98 // Clear the list of canned indexed databases. | 98 // Clear the list of canned indexed databases. |
| 99 void Reset(); | 99 void Reset(); |
| 100 | 100 |
| 101 // True if no indexed databases are currently stored. | 101 // True if no indexed databases are currently stored. |
| 102 bool empty() const; | 102 bool empty() const; |
| 103 | 103 |
| 104 // BrowsingDataIndexedDBHelper methods. | 104 // BrowsingDataIndexedDBHelper methods. |
| 105 virtual void StartFetching( | 105 virtual void StartFetching( |
| 106 Callback1<const std::vector<IndexedDBInfo>& >::Type* callback); | 106 Callback1<const std::list<IndexedDBInfo>& >::Type* callback); |
| 107 virtual void CancelNotification(); | 107 virtual void CancelNotification(); |
| 108 virtual void DeleteIndexedDBFile(const FilePath& file_path) {} | 108 virtual void DeleteIndexedDBFile(const FilePath& file_path) {} |
| 109 | 109 |
| 110 private: | 110 private: |
| 111 struct PendingIndexedDBInfo { | 111 struct PendingIndexedDBInfo { |
| 112 PendingIndexedDBInfo(); | 112 PendingIndexedDBInfo(); |
| 113 PendingIndexedDBInfo(const GURL& origin, const string16& description); | 113 PendingIndexedDBInfo(const GURL& origin, const string16& description); |
| 114 ~PendingIndexedDBInfo(); | 114 ~PendingIndexedDBInfo(); |
| 115 | 115 |
| 116 GURL origin; | 116 GURL origin; |
| 117 string16 description; | 117 string16 description; |
| 118 }; | 118 }; |
| 119 | 119 |
| 120 virtual ~CannedBrowsingDataIndexedDBHelper(); | 120 virtual ~CannedBrowsingDataIndexedDBHelper(); |
| 121 | 121 |
| 122 // Convert the pending indexed db info to indexed db info objects. | 122 // Convert the pending indexed db info to indexed db info objects. |
| 123 void ConvertPendingInfoInWebKitThread(); | 123 void ConvertPendingInfoInWebKitThread(); |
| 124 | 124 |
| 125 void NotifyInUIThread(); | 125 void NotifyInUIThread(); |
| 126 | 126 |
| 127 Profile* profile_; | 127 Profile* profile_; |
| 128 | 128 |
| 129 // Lock to protect access to pending_indexed_db_info_; | 129 // Lock to protect access to pending_indexed_db_info_; |
| 130 mutable base::Lock lock_; | 130 mutable base::Lock lock_; |
| 131 | 131 |
| 132 // This may mutate on WEBKIT and UI threads. | 132 // This may mutate on WEBKIT and UI threads. |
| 133 std::vector<PendingIndexedDBInfo> pending_indexed_db_info_; | 133 std::list<PendingIndexedDBInfo> pending_indexed_db_info_; |
| 134 | 134 |
| 135 // This only mutates on the WEBKIT thread. | 135 // This only mutates on the WEBKIT thread. |
| 136 std::vector<IndexedDBInfo> indexed_db_info_; | 136 std::list<IndexedDBInfo> indexed_db_info_; |
| 137 | 137 |
| 138 // This only mutates on the UI thread. | 138 // This only mutates on the UI thread. |
| 139 scoped_ptr<Callback1<const std::vector<IndexedDBInfo>& >::Type > | 139 scoped_ptr<Callback1<const std::list<IndexedDBInfo>& >::Type > |
| 140 completion_callback_; | 140 completion_callback_; |
| 141 | 141 |
| 142 // Indicates whether or not we're currently fetching information: | 142 // Indicates whether or not we're currently fetching information: |
| 143 // it's true when StartFetching() is called in the UI thread, and it's reset | 143 // it's true when StartFetching() is called in the UI thread, and it's reset |
| 144 // after we notified the callback in the UI thread. | 144 // after we notified the callback in the UI thread. |
| 145 // This only mutates on the UI thread. | 145 // This only mutates on the UI thread. |
| 146 bool is_fetching_; | 146 bool is_fetching_; |
| 147 | 147 |
| 148 DISALLOW_COPY_AND_ASSIGN(CannedBrowsingDataIndexedDBHelper); | 148 DISALLOW_COPY_AND_ASSIGN(CannedBrowsingDataIndexedDBHelper); |
| 149 }; | 149 }; |
| 150 | 150 |
| 151 #endif // CHROME_BROWSER_BROWSING_DATA_INDEXED_DB_HELPER_H_ | 151 #endif // CHROME_BROWSER_BROWSING_DATA_INDEXED_DB_HELPER_H_ |
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