chromium/content/browser/indexed_db/indexed_db_active_blob_registry.h

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_ACTIVE_BLOB_REGISTRY_H_
#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_ACTIVE_BLOB_REGISTRY_H_

#include <stdint.h>

#include <map>
#include <set>
#include <utility>

#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "content/common/content_export.h"

namespace content {

// Keeps track of blobs that have been sent to clients as database responses,
// and determines when Blob files can be deleted. The database entry that links
// to the blob file can be deleted in the database, but the blob file still
// needs to stay alive while it is still active (i.e. referenced by a client).
// This class must be used on a single sequence, and will call the given
// callbacks back on the same sequence it is constructed on.
class CONTENT_EXPORT IndexedDBActiveBlobRegistry { … };

}  // namespace content

#endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_ACTIVE_BLOB_REGISTRY_H_