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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_EXTENSIONS_API_STORAGE_SYNC_VALUE_STORE_CACHE_H_
#define CHROME_BROWSER_EXTENSIONS_API_STORAGE_SYNC_VALUE_STORE_CACHE_H_
#include <memory>
#include <string>
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "components/sync/model/syncable_service.h"
#include "extensions/browser/api/storage/settings_observer.h"
#include "extensions/browser/api/storage/value_store_cache.h"
#include "extensions/common/extension_id.h"
namespace base {
class FilePath;
}
namespace syncer {
class SyncableService;
}
namespace value_store {
class ValueStoreFactory;
}
namespace extensions {
class SyncStorageBackend;
// ValueStoreCache for the SYNC namespace. It owns a backend for apps and
// another for extensions. Each backend takes care of persistence and syncing.
class SyncValueStoreCache : public ValueStoreCache {
public:
SyncValueStoreCache(scoped_refptr<value_store::ValueStoreFactory> factory,
SettingsChangedCallback observer,
const base::FilePath& profile_path);
SyncValueStoreCache(const SyncValueStoreCache&) = delete;
SyncValueStoreCache& operator=(const SyncValueStoreCache&) = delete;
~SyncValueStoreCache() override;
base::WeakPtr<SyncValueStoreCache> AsWeakPtr();
syncer::SyncableService* GetSyncableService(syncer::DataType type);
// ValueStoreCache implementation:
void RunWithValueStoreForExtension(
StorageCallback callback,
scoped_refptr<const Extension> extension) override;
void DeleteStorageSoon(const ExtensionId& extension_id) override;
private:
void InitOnBackend(scoped_refptr<value_store::ValueStoreFactory> factory,
SequenceBoundSettingsChangedCallback observer,
const base::FilePath& profile_path);
bool initialized_;
std::unique_ptr<SyncStorageBackend> app_backend_;
std::unique_ptr<SyncStorageBackend> extension_backend_;
base::WeakPtrFactory<SyncValueStoreCache> weak_ptr_factory_{this};
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_STORAGE_SYNC_VALUE_STORE_CACHE_H_
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