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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef STORAGE_BROWSER_FILE_SYSTEM_FILE_SYSTEM_QUOTA_UTIL_H_
#define STORAGE_BROWSER_FILE_SYSTEM_FILE_SYSTEM_QUOTA_UTIL_H_
#include <stdint.h>
#include <vector>
#include "base/component_export.h"
#include "base/files/file.h"
#include "base/memory/scoped_refptr.h"
#include "storage/common/file_system/file_system_types.h"
namespace blink {
class StorageKey;
} // namespace blink
namespace storage {
struct BucketLocator;
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.
class COMPONENT_EXPORT(STORAGE_BROWSER) FileSystemQuotaUtil {
public:
virtual ~FileSystemQuotaUtil() = default;
// Deletes the cached default bucket for `storage_key`. Called when the
// default bucket is deleted from Quota service.
virtual void DeleteCachedDefaultBucket(
const blink::StorageKey& storage_key) = 0;
// Deletes the data on the bucket and reports the amount of deleted data
// to the quota manager via |proxy|.
virtual base::File::Error DeleteBucketDataOnFileTaskRunner(
FileSystemContext* context,
QuotaManagerProxy* proxy,
const BucketLocator& bucket_locator,
FileSystemType type) = 0;
virtual void PerformStorageCleanupOnFileTaskRunner(FileSystemContext* context,
QuotaManagerProxy* proxy,
FileSystemType type) = 0;
virtual std::vector<blink::StorageKey> GetDefaultStorageKeysOnFileTaskRunner(
FileSystemType type) = 0;
// Returns the amount of data used for the `bucket_locator` for usage
// tracking.
virtual int64_t GetBucketUsageOnFileTaskRunner(
FileSystemContext* file_system_context,
const BucketLocator& bucket_locator,
FileSystemType type) = 0;
// Creates new reservation object for the `storage_key` and the `type`.
virtual scoped_refptr<QuotaReservation>
CreateQuotaReservationOnFileTaskRunner(const blink::StorageKey& storage_key,
FileSystemType type) = 0;
};
} // namespace storage
#endif // STORAGE_BROWSER_FILE_SYSTEM_FILE_SYSTEM_QUOTA_UTIL_H_
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