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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #include "chrome/browser/history/shortcuts_database.h" | |
6 | |
7 #include <string> | |
8 | |
9 #include "base/guid.h" | |
10 #include "base/logging.h" | |
11 #include "base/strings/stringprintf.h" | |
12 #include "base/time/time.h" | |
13 #include "components/omnibox/autocomplete_match_type.h" | |
14 #include "sql/meta_table.h" | |
15 #include "sql/statement.h" | |
16 #include "sql/transaction.h" | |
17 #include "ui/base/page_transition_types.h" | |
18 | |
19 | |
20 // Helpers -------------------------------------------------------------------- | |
21 | |
22 namespace { | |
23 | |
24 // Current version number. We write databases at the "current" version number, | |
25 // but any previous version that can read the "compatible" one can make do with | |
26 // our database without *too* many bad effects. | |
27 const int kCurrentVersionNumber = 1; | |
28 const int kCompatibleVersionNumber = 1; | |
29 | |
30 void BindShortcutToStatement( | |
31 const history::ShortcutsDatabase::Shortcut& shortcut, | |
32 sql::Statement* s) { | |
33 DCHECK(base::IsValidGUID(shortcut.id)); | |
34 s->BindString(0, shortcut.id); | |
35 s->BindString16(1, shortcut.text); | |
36 s->BindString16(2, shortcut.match_core.fill_into_edit); | |
37 s->BindString(3, shortcut.match_core.destination_url.spec()); | |
38 s->BindString16(4, shortcut.match_core.contents); | |
39 s->BindString(5, shortcut.match_core.contents_class); | |
40 s->BindString16(6, shortcut.match_core.description); | |
41 s->BindString(7, shortcut.match_core.description_class); | |
42 s->BindInt(8, shortcut.match_core.transition); | |
43 s->BindInt(9, shortcut.match_core.type); | |
44 s->BindString16(10, shortcut.match_core.keyword); | |
45 s->BindInt64(11, shortcut.last_access_time.ToInternalValue()); | |
46 s->BindInt(12, shortcut.number_of_hits); | |
47 } | |
48 | |
49 bool DeleteShortcut(const char* field_name, | |
50 const std::string& id, | |
51 sql::Connection& db) { | |
52 sql::Statement s(db.GetUniqueStatement( | |
53 base::StringPrintf("DELETE FROM omni_box_shortcuts WHERE %s = ?", | |
54 field_name).c_str())); | |
55 s.BindString(0, id); | |
56 return s.Run(); | |
57 } | |
58 | |
59 } // namespace | |
60 | |
61 | |
62 namespace history { | |
63 | |
64 // ShortcutsDatabase::Shortcut::MatchCore ------------------------------------- | |
65 | |
66 ShortcutsDatabase::Shortcut::MatchCore::MatchCore( | |
67 const base::string16& fill_into_edit, | |
68 const GURL& destination_url, | |
69 const base::string16& contents, | |
70 const std::string& contents_class, | |
71 const base::string16& description, | |
72 const std::string& description_class, | |
73 int transition, | |
74 int type, | |
75 const base::string16& keyword) | |
76 : fill_into_edit(fill_into_edit), | |
77 destination_url(destination_url), | |
78 contents(contents), | |
79 contents_class(contents_class), | |
80 description(description), | |
81 description_class(description_class), | |
82 transition(transition), | |
83 type(type), | |
84 keyword(keyword) { | |
85 } | |
86 | |
87 ShortcutsDatabase::Shortcut::MatchCore::~MatchCore() { | |
88 } | |
89 | |
90 // ShortcutsDatabase::Shortcut ------------------------------------------------ | |
91 | |
92 ShortcutsDatabase::Shortcut::Shortcut( | |
93 const std::string& id, | |
94 const base::string16& text, | |
95 const MatchCore& match_core, | |
96 const base::Time& last_access_time, | |
97 int number_of_hits) | |
98 : id(id), | |
99 text(text), | |
100 match_core(match_core), | |
101 last_access_time(last_access_time), | |
102 number_of_hits(number_of_hits) { | |
103 } | |
104 | |
105 ShortcutsDatabase::Shortcut::Shortcut() | |
106 : match_core(base::string16(), GURL(), base::string16(), std::string(), | |
107 base::string16(), std::string(), 0, 0, base::string16()), | |
108 last_access_time(base::Time::Now()), | |
109 number_of_hits(0) { | |
110 } | |
111 | |
112 ShortcutsDatabase::Shortcut::~Shortcut() { | |
113 } | |
114 | |
115 | |
116 // ShortcutsDatabase ---------------------------------------------------------- | |
117 | |
118 ShortcutsDatabase::ShortcutsDatabase(const base::FilePath& database_path) | |
119 : database_path_(database_path) { | |
120 } | |
121 | |
122 bool ShortcutsDatabase::Init() { | |
123 db_.set_histogram_tag("Shortcuts"); | |
124 | |
125 // Set the database page size to something a little larger to give us | |
126 // better performance (we're typically seek rather than bandwidth limited). | |
127 // This only has an effect before any tables have been created, otherwise | |
128 // this is a NOP. Must be a power of 2 and a max of 8192. | |
129 db_.set_page_size(4096); | |
130 | |
131 // Run the database in exclusive mode. Nobody else should be accessing the | |
132 // database while we're running, and this will give somewhat improved perf. | |
133 db_.set_exclusive_locking(); | |
134 | |
135 // Attach the database to our index file. | |
136 return db_.Open(database_path_) && EnsureTable(); | |
137 } | |
138 | |
139 bool ShortcutsDatabase::AddShortcut(const Shortcut& shortcut) { | |
140 sql::Statement s(db_.GetCachedStatement( | |
141 SQL_FROM_HERE, | |
142 "INSERT INTO omni_box_shortcuts (id, text, fill_into_edit, url, " | |
143 "contents, contents_class, description, description_class, " | |
144 "transition, type, keyword, last_access_time, number_of_hits) " | |
145 "VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?)")); | |
146 BindShortcutToStatement(shortcut, &s); | |
147 return s.Run(); | |
148 } | |
149 | |
150 bool ShortcutsDatabase::UpdateShortcut(const Shortcut& shortcut) { | |
151 sql::Statement s(db_.GetCachedStatement( | |
152 SQL_FROM_HERE, | |
153 "UPDATE omni_box_shortcuts SET id=?, text=?, fill_into_edit=?, url=?, " | |
154 "contents=?, contents_class=?, description=?, description_class=?, " | |
155 "transition=?, type=?, keyword=?, last_access_time=?, " | |
156 "number_of_hits=? WHERE id=?")); | |
157 BindShortcutToStatement(shortcut, &s); | |
158 s.BindString(13, shortcut.id); | |
159 return s.Run(); | |
160 } | |
161 | |
162 bool ShortcutsDatabase::DeleteShortcutsWithIDs( | |
163 const ShortcutIDs& shortcut_ids) { | |
164 bool success = true; | |
165 db_.BeginTransaction(); | |
166 for (ShortcutIDs::const_iterator it(shortcut_ids.begin()); | |
167 it != shortcut_ids.end(); ++it) { | |
168 success &= DeleteShortcut("id", *it, db_); | |
169 } | |
170 db_.CommitTransaction(); | |
171 return success; | |
172 } | |
173 | |
174 bool ShortcutsDatabase::DeleteShortcutsWithURL( | |
175 const std::string& shortcut_url_spec) { | |
176 return DeleteShortcut("url", shortcut_url_spec, db_); | |
177 } | |
178 | |
179 bool ShortcutsDatabase::DeleteAllShortcuts() { | |
180 if (!db_.Execute("DELETE FROM omni_box_shortcuts")) | |
181 return false; | |
182 | |
183 ignore_result(db_.Execute("VACUUM")); | |
184 return true; | |
185 } | |
186 | |
187 void ShortcutsDatabase::LoadShortcuts(GuidToShortcutMap* shortcuts) { | |
188 DCHECK(shortcuts); | |
189 sql::Statement s(db_.GetCachedStatement( | |
190 SQL_FROM_HERE, | |
191 "SELECT id, text, fill_into_edit, url, contents, contents_class, " | |
192 "description, description_class, transition, type, keyword, " | |
193 "last_access_time, number_of_hits FROM omni_box_shortcuts")); | |
194 | |
195 shortcuts->clear(); | |
196 while (s.Step()) { | |
197 shortcuts->insert(std::make_pair( | |
198 s.ColumnString(0), | |
199 Shortcut( | |
200 s.ColumnString(0), // id | |
201 s.ColumnString16(1), // text | |
202 Shortcut::MatchCore( | |
203 s.ColumnString16(2), // fill_into_edit | |
204 GURL(s.ColumnString(3)), // destination_url | |
205 s.ColumnString16(4), // contents | |
206 s.ColumnString(5), // contents_class | |
207 s.ColumnString16(6), // description | |
208 s.ColumnString(7), // description_class | |
209 s.ColumnInt(8), // transition | |
210 s.ColumnInt(9), // type | |
211 s.ColumnString16(10)), // keyword | |
212 base::Time::FromInternalValue(s.ColumnInt64(11)), | |
213 // last_access_time | |
214 s.ColumnInt(12)))); // number_of_hits | |
215 } | |
216 } | |
217 | |
218 ShortcutsDatabase::~ShortcutsDatabase() { | |
219 } | |
220 | |
221 bool ShortcutsDatabase::EnsureTable() { | |
222 if (!db_.DoesTableExist("omni_box_shortcuts")) { | |
223 return db_.Execute( | |
224 "CREATE TABLE omni_box_shortcuts (id VARCHAR PRIMARY KEY, " | |
225 "text VARCHAR, fill_into_edit VARCHAR, url VARCHAR, " | |
226 "contents VARCHAR, contents_class VARCHAR, description VARCHAR, " | |
227 "description_class VARCHAR, transition INTEGER, type INTEGER, " | |
228 "keyword VARCHAR, last_access_time INTEGER, " | |
229 "number_of_hits INTEGER)"); | |
230 } | |
231 | |
232 // The first version of the shortcuts table lacked the fill_into_edit, | |
233 // transition, type, and keyword columns. | |
234 if (!db_.DoesColumnExist("omni_box_shortcuts", "fill_into_edit")) { | |
235 // Perform the upgrade in a transaction to ensure it doesn't happen | |
236 // incompletely. | |
237 sql::Transaction transaction(&db_); | |
238 if (!(transaction.Begin() && | |
239 db_.Execute("ALTER TABLE omni_box_shortcuts " | |
240 "ADD COLUMN fill_into_edit VARCHAR") && | |
241 db_.Execute("UPDATE omni_box_shortcuts SET fill_into_edit = url") && | |
242 db_.Execute("ALTER TABLE omni_box_shortcuts " | |
243 "ADD COLUMN transition INTEGER") && | |
244 db_.Execute(base::StringPrintf( | |
245 "UPDATE omni_box_shortcuts SET transition = %d", | |
246 static_cast<int>(ui::PAGE_TRANSITION_TYPED)).c_str()) && | |
247 db_.Execute("ALTER TABLE omni_box_shortcuts ADD COLUMN type INTEGER") && | |
248 db_.Execute(base::StringPrintf( | |
249 "UPDATE omni_box_shortcuts SET type = %d", | |
250 static_cast<int>(AutocompleteMatchType::HISTORY_TITLE)).c_str()) && | |
251 db_.Execute("ALTER TABLE omni_box_shortcuts " | |
252 "ADD COLUMN keyword VARCHAR") && | |
253 transaction.Commit())) { | |
254 return false; | |
255 } | |
256 } | |
257 | |
258 if (!sql::MetaTable::DoesTableExist(&db_)) { | |
259 meta_table_.Init(&db_, kCurrentVersionNumber, kCompatibleVersionNumber); | |
260 sql::Transaction transaction(&db_); | |
261 if (!(transaction.Begin() && | |
262 // Migrate old SEARCH_OTHER_ENGINE values to the new type value. | |
263 db_.Execute(base::StringPrintf("UPDATE omni_box_shortcuts " | |
264 "SET type = 13 WHERE type = 9").c_str()) && | |
265 // Migrate old EXTENSION_APP values to the new type value. | |
266 db_.Execute(base::StringPrintf("UPDATE omni_box_shortcuts " | |
267 "SET type = 14 WHERE type = 10").c_str()) && | |
268 // Migrate old CONTACT values to the new type value. | |
269 db_.Execute(base::StringPrintf("UPDATE omni_box_shortcuts " | |
270 "SET type = 15 WHERE type = 11").c_str()) && | |
271 // Migrate old BOOKMARK_TITLE values to the new type value. | |
272 db_.Execute(base::StringPrintf("UPDATE omni_box_shortcuts " | |
273 "SET type = 16 WHERE type = 12").c_str()) && | |
274 transaction.Commit())) { | |
275 return false; | |
276 } | |
277 } | |
278 return true; | |
279 } | |
280 | |
281 } // namespace history | |
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