content/browser/indexed_db/indexed_db_class_factory.cc

   1 // Copyright 2014 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 "content/browser/indexed_db/indexed_db_class_factory.h"
   6 #include "content/browser/indexed_db/indexed_db_transaction.h"
   7 #include "content/browser/indexed_db/leveldb/leveldb_iterator_impl.h"
   8 #include "content/browser/indexed_db/leveldb/leveldb_transaction.h"
   9
  10 namespace content {
  11
  12 static IndexedDBClassFactory::GetterCallback* s_factory_getter;
  13 static ::base::LazyInstance<IndexedDBClassFactory>::Leaky s_factory =
  14     LAZY_INSTANCE_INITIALIZER;
  15
  16 void IndexedDBClassFactory::SetIndexedDBClassFactoryGetter(GetterCallback* cb) {
  17   s_factory_getter = cb;
  18 }
  19
  20 IndexedDBClassFactory* IndexedDBClassFactory::Get() {
  21   if (s_factory_getter)
  22     return (*s_factory_getter)();
  23   else
  24     return s_factory.Pointer();
  25 }
  26
  27 IndexedDBDatabase* IndexedDBClassFactory::CreateIndexedDBDatabase(
  28     const base::string16& name,
  29     IndexedDBBackingStore* backing_store,
  30     IndexedDBFactory* factory,
  31     const IndexedDBDatabase::Identifier& unique_identifier) {
  32   return new IndexedDBDatabase(name, backing_store, factory, unique_identifier);
  33 }
  34
  35 IndexedDBTransaction* IndexedDBClassFactory::CreateIndexedDBTransaction(
  36     int64 id,
  37     scoped_refptr<IndexedDBDatabaseCallbacks> callbacks,
  38     const std::set<int64>& scope,
  39     blink::WebIDBTransactionMode mode,
  40     IndexedDBDatabase* db,
  41     IndexedDBBackingStore::Transaction* backing_store_transaction) {
  42   return new IndexedDBTransaction(id, callbacks, scope, mode, db,
  43                                   backing_store_transaction);
  44 }
  45
  46 LevelDBTransaction* IndexedDBClassFactory::CreateLevelDBTransaction(
  47     LevelDBDatabase* db) {
  48   return new LevelDBTransaction(db);
  49 }
  50
  51 content::LevelDBIteratorImpl* IndexedDBClassFactory::CreateIteratorImpl(
  52     scoped_ptr<leveldb::Iterator> iterator) {
  53   return new LevelDBIteratorImpl(iterator.Pass());
  54 }
  55
  56 }  // namespace content