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// Copyright 2017 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.
#ifndef COMPONENTS_DOWNLOAD_INTERNAL_NOOP_STORE_H_
#define COMPONENTS_DOWNLOAD_INTERNAL_NOOP_STORE_H_
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "components/download/internal/store.h"
namespace download {
struct Entry;
// A Store implementation that doesn't do anything but honors the interface
// requirements.
// TODO(dtrainor, shaktisahu): Remove this if it's no longer necessary after the
// real Store implementation is added.
class NoopStore : public Store {
public:
NoopStore();
~NoopStore() override;
// Store implementation.
bool IsInitialized() override;
void Initialize(InitCallback callback) override;
void Destroy(StoreCallback callback) override;
void Update(const Entry& entry, StoreCallback callback) override;
void Remove(const std::string& guid, StoreCallback callback) override;
private:
void OnInitFinished(InitCallback callback);
// Whether or not this Store is 'initialized.' Just gets set to |true| once
// Initialize() is called.
bool initialized_;
base::WeakPtrFactory<NoopStore> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(NoopStore);
};
} // namespace download
#endif // COMPONENTS_DOWNLOAD_INTERNAL_NOOP_STORE_H_
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