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// Copyright (c) 2012 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 <stdint.h>
#include <set>
#include <string>
#include "base/component_export.h"
#include "base/files/file.h"
#include "base/memory/scoped_refptr.h"
#include "storage/common/fileapi/file_system_types.h"
#include "url/gurl.h"
namespace storage {
class FileSystemContext;
class QuotaManagerProxy;
class QuotaReservation;
// An abstract interface that provides common quota-related utility functions
// for file_system_quota_client.
// All the methods of this class are synchronous and need to be called on
// the thread that the method name implies.
virtual ~FileSystemQuotaUtil() {}
// Deletes the data on the origin and reports the amount of deleted data
// to the quota manager via |proxy|.
virtual base::File::Error DeleteOriginDataOnFileTaskRunner(
FileSystemContext* context,
QuotaManagerProxy* proxy,
const GURL& origin_url,
FileSystemType type) = 0;
virtual void PerformStorageCleanupOnFileTaskRunner(FileSystemContext* context,
QuotaManagerProxy* proxy,
FileSystemType type) = 0;
virtual void GetOriginsForTypeOnFileTaskRunner(FileSystemType type,
std::set<GURL>* origins) = 0;
virtual void GetOriginsForHostOnFileTaskRunner(FileSystemType type,
const std::string& host,
std::set<GURL>* origins) = 0;
// Returns the amount of data used for the origin for usage tracking.
virtual int64_t GetOriginUsageOnFileTaskRunner(
FileSystemContext* file_system_context,
const GURL& origin_url,
FileSystemType type) = 0;
// Creates new reservation object for the origin and the type.
virtual scoped_refptr<QuotaReservation>
const GURL& origin_url,
FileSystemType type) = 0;
} // namespace storage