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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/extensions/activity_log/ad_network_database.h"
#include "base/lazy_instance.h"
#include "chrome/browser/extensions/activity_log/hashed_ad_network_database.h"
namespace extensions {
namespace {
class AdNetworkDatabaseFactory {
public:
AdNetworkDatabaseFactory();
~AdNetworkDatabaseFactory();
const AdNetworkDatabase* GetDatabase();
void SetDatabase(scoped_ptr<AdNetworkDatabase> database);
private:
scoped_ptr<AdNetworkDatabase> database_;
};
AdNetworkDatabaseFactory::AdNetworkDatabaseFactory() {}
AdNetworkDatabaseFactory::~AdNetworkDatabaseFactory() {}
const AdNetworkDatabase* AdNetworkDatabaseFactory::GetDatabase() {
// Construct a new database, if we don't have one.
if (!database_.get())
database_.reset(new HashedAdNetworkDatabase());
return database_.get();
}
void AdNetworkDatabaseFactory::SetDatabase(
scoped_ptr<AdNetworkDatabase> database) {
database_.reset(database.release());
}
base::LazyInstance<AdNetworkDatabaseFactory> g_factory =
LAZY_INSTANCE_INITIALIZER;
} // namespace
AdNetworkDatabase::~AdNetworkDatabase() {}
// static
const AdNetworkDatabase* AdNetworkDatabase::Get() {
return g_factory.Get().GetDatabase();
}
// static
void AdNetworkDatabase::SetForTesting(scoped_ptr<AdNetworkDatabase> database) {
g_factory.Get().SetDatabase(database.Pass());
}
} // namespace extensions
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