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// Copyright 2013 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_QUOTA_QUOTA_BACKEND_IMPL_H_
#define STORAGE_BROWSER_FILE_SYSTEM_QUOTA_QUOTA_BACKEND_IMPL_H_
#include <stdint.h>
#include "base/component_export.h"
#include "base/files/file_error_or.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "storage/browser/file_system/quota/quota_reservation_manager.h"
#include "storage/browser/file_system/sandbox_file_system_backend_delegate.h"
#include "third_party/blink/public/mojom/quota/quota_types.mojom.h"
#include "url/origin.h"
namespace base {
class SequencedTaskRunner;
}
namespace storage {
class FileSystemUsageCache;
class ObfuscatedFileUtil;
class QuotaManagerProxy;
// An instance of this class is owned by QuotaReservationManager.
class COMPONENT_EXPORT(STORAGE_BROWSER) QuotaBackendImpl
: public QuotaReservationManager::QuotaBackend {
public:
using ReserveQuotaCallback = QuotaReservationManager::ReserveQuotaCallback;
QuotaBackendImpl(scoped_refptr<base::SequencedTaskRunner> file_task_runner,
ObfuscatedFileUtil* obfuscated_file_util,
FileSystemUsageCache* file_system_usage_cache,
scoped_refptr<QuotaManagerProxy> quota_manager_proxy);
QuotaBackendImpl(const QuotaBackendImpl&) = delete;
QuotaBackendImpl& operator=(const QuotaBackendImpl&) = delete;
~QuotaBackendImpl() override;
// QuotaReservationManager::QuotaBackend overrides.
void ReserveQuota(const url::Origin& origin,
FileSystemType type,
int64_t delta,
ReserveQuotaCallback callback) override;
void ReleaseReservedQuota(const url::Origin& origin,
FileSystemType type,
int64_t size) override;
void CommitQuotaUsage(const url::Origin& origin,
FileSystemType type,
int64_t delta) override;
void IncrementDirtyCount(const url::Origin& origin,
FileSystemType type) override;
void DecrementDirtyCount(const url::Origin& origin,
FileSystemType type) override;
private:
friend class QuotaBackendImplTest;
struct QuotaReservationInfo {
QuotaReservationInfo(const url::Origin& origin,
FileSystemType type,
int64_t delta);
~QuotaReservationInfo();
url::Origin origin;
FileSystemType type;
int64_t delta;
};
void DidGetUsageAndQuotaForReserveQuota(const QuotaReservationInfo& info,
ReserveQuotaCallback callback,
blink::mojom::QuotaStatusCode status,
int64_t usage,
int64_t quota);
void ReserveQuotaInternal(const QuotaReservationInfo& info);
base::FileErrorOr<base::FilePath> GetUsageCachePath(const url::Origin& origin,
FileSystemType type);
const scoped_refptr<base::SequencedTaskRunner> file_task_runner_;
// Owned by SandboxFileSystemBackendDelegate.
const raw_ptr<ObfuscatedFileUtil> obfuscated_file_util_;
const raw_ptr<FileSystemUsageCache> file_system_usage_cache_;
const scoped_refptr<QuotaManagerProxy> quota_manager_proxy_;
base::WeakPtrFactory<QuotaBackendImpl> weak_ptr_factory_{this};
};
} // namespace storage
#endif // STORAGE_BROWSER_FILE_SYSTEM_QUOTA_QUOTA_BACKEND_IMPL_H_
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