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/leveldb/leveldb_iterator_impl.h"
   7 #include "content/browser/indexed_db/leveldb/leveldb_transaction.h"
   8
   9 namespace content {
  10
  11 static IndexedDBClassFactory::GetterCallback* s_factory_getter;
  12 static ::base::LazyInstance<IndexedDBClassFactory>::Leaky s_factory =
  13     LAZY_INSTANCE_INITIALIZER;
  14
  15 void IndexedDBClassFactory::SetIndexedDBClassFactoryGetter(GetterCallback* cb) {
  16   s_factory_getter = cb;
  17 }
  18
  19 IndexedDBClassFactory* IndexedDBClassFactory::Get() {
  20   if (s_factory_getter)
  21     return (*s_factory_getter)();
  22   else
  23     return s_factory.Pointer();
  24 }
  25
  26 LevelDBTransaction* IndexedDBClassFactory::CreateLevelDBTransaction(
  27     LevelDBDatabase* db) {
  28   return new LevelDBTransaction(db);
  29 }
  30
  31 content::LevelDBIteratorImpl* IndexedDBClassFactory::CreateIteratorImpl(
  32     scoped_ptr<leveldb::Iterator> iterator) {
  33   return new LevelDBIteratorImpl(iterator.Pass());
  34 }
  35
  36 }  // namespace content