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// Copyright (c) 2011 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 STORAGE_BROWSER_DATABASE_DATABASE_QUOTA_CLIENT_H_
#define STORAGE_BROWSER_DATABASE_DATABASE_QUOTA_CLIENT_H_
#include <set>
#include <string>
#include "base/component_export.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/sequence_checker.h"
#include "base/single_thread_task_runner.h"
#include "base/thread_annotations.h"
#include "storage/browser/quota/quota_client.h"
#include "storage/browser/quota/quota_client_type.h"
#include "third_party/blink/public/mojom/quota/quota_types.mojom.h"
#include "url/origin.h"
namespace storage {
class DatabaseTracker;
// Integrates WebSQL databases with the quota management system.
//
// This interface is used on the IO thread by the quota manager.
class COMPONENT_EXPORT(STORAGE_BROWSER) DatabaseQuotaClient
: public QuotaClient {
public:
explicit DatabaseQuotaClient(scoped_refptr<DatabaseTracker> tracker);
DatabaseQuotaClient(const DatabaseQuotaClient&) = delete;
DatabaseQuotaClient& operator=(const DatabaseQuotaClient&) = delete;
// QuotaClient method overrides
void OnQuotaManagerDestroyed() override;
void GetOriginUsage(const url::Origin& origin,
blink::mojom::StorageType type,
GetOriginUsageCallback callback) override;
void GetOriginsForType(blink::mojom::StorageType type,
GetOriginsForTypeCallback callback) override;
void GetOriginsForHost(blink::mojom::StorageType type,
const std::string& host,
GetOriginsForHostCallback callback) override;
void DeleteOriginData(const url::Origin& origin,
blink::mojom::StorageType type,
DeleteOriginDataCallback callback) override;
void PerformStorageCleanup(blink::mojom::StorageType type,
PerformStorageCleanupCallback callback) override;
private:
~DatabaseQuotaClient() override;
SEQUENCE_CHECKER(sequence_checker_);
// The scoped_refptr is only be dereferenced on the QuotaClient's sequence.
// However, the DatabaseTracker it points to must only be used on the database
// sequence.
scoped_refptr<DatabaseTracker> db_tracker_
GUARDED_BY_CONTEXT(sequence_checker_);
};
} // namespace storage
#endif // STORAGE_BROWSER_DATABASE_DATABASE_QUOTA_CLIENT_H_