chromium/storage/browser/quota/usage_tracker.h

// 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_QUOTA_USAGE_TRACKER_H_
#define STORAGE_BROWSER_QUOTA_USAGE_TRACKER_H_

#include <stdint.h>

#include <map>
#include <memory>
#include <set>
#include <string>
#include <vector>

#include "base/component_export.h"
#include "base/containers/flat_map.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "base/sequence_checker.h"
#include "components/services/storage/public/cpp/buckets/bucket_info.h"
#include "components/services/storage/public/cpp/buckets/bucket_locator.h"
#include "components/services/storage/public/mojom/quota_client.mojom.h"
#include "storage/browser/quota/quota_callbacks.h"
#include "storage/browser/quota/quota_client_type.h"
#include "storage/browser/quota/quota_manager_impl.h"
#include "storage/browser/quota/quota_task.h"
#include "storage/browser/quota/special_storage_policy.h"
#include "third_party/blink/public/mojom/quota/quota_types.mojom.h"

namespace blink {
class StorageKey;
}  // namespace blink

namespace storage {

class ClientUsageTracker;

// A helper class that gathers and tracks the amount of data stored in
// all quota clients.
//
// Ownership: Each QuotaManagerImpl instance owns 3 instances of this class (one
// per storage type: Persistent, Temporary, Syncable). Thread-safety: All
// methods except the constructor must be called on the same sequence.
class COMPONENT_EXPORT(STORAGE_BROWSER) UsageTracker
    : public QuotaTaskObserver { … };

}  // namespace storage

#endif  // STORAGE_BROWSER_QUOTA_USAGE_TRACKER_H_