chrome/browser/webdata/logins_table.cc

   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/webdata/logins_table.h"
   6
   7 #include <limits>
   8
   9 #include "base/logging.h"
  10 #include "components/webdata/common/web_database.h"
  11 #include "sql/statement.h"
  12
  13 namespace {
  14
  15 WebDatabaseTable::TypeKey GetKey() {
  16   // We just need a unique constant. Use the address of a static that
  17   // COMDAT folding won't touch in an optimizing linker.
  18   static int table_key = 0;
  19   return reinterpret_cast<void*>(&table_key);
  20 }
  21
  22 }  // namespace
  23
  24 LoginsTable* LoginsTable::FromWebDatabase(WebDatabase* db) {
  25   return static_cast<LoginsTable*>(db->GetTable(GetKey()));
  26 }
  27
  28 WebDatabaseTable::TypeKey LoginsTable::GetTypeKey() const {
  29   return GetKey();
  30 }
  31
  32 bool LoginsTable::CreateTablesIfNecessary() {
  33   if (db_->DoesTableExist("logins")) {
  34     // We don't check for success. It doesn't matter that much.
  35     // If we fail we'll just try again later anyway.
  36     ignore_result(db_->Execute("DROP TABLE logins"));
  37   }
  38
  39 #if defined(OS_WIN)
  40   if (!db_->DoesTableExist("ie7_logins")) {
  41     if (!db_->Execute("CREATE TABLE ie7_logins ("
  42                       "url_hash VARCHAR NOT NULL, "
  43                       "password_value BLOB, "
  44                       "date_created INTEGER NOT NULL,"
  45                       "UNIQUE "
  46                       "(url_hash))")) {
  47       NOTREACHED();
  48       return false;
  49     }
  50     if (!db_->Execute("CREATE INDEX ie7_logins_hash ON "
  51                       "ie7_logins (url_hash)")) {
  52       NOTREACHED();
  53       return false;
  54     }
  55   }
  56 #endif
  57
  58   return true;
  59 }
  60
  61 bool LoginsTable::IsSyncable() {
  62   return true;
  63 }
  64
  65 bool LoginsTable::MigrateToVersion(int version,
  66                                    bool* update_compatible_version) {
  67   return true;
  68 }