chromium/content/browser/indexed_db/indexed_db_pre_close_task_queue.h

// Copyright 2017 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_PRE_CLOSE_TASK_QUEUE_H_
#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_PRE_CLOSE_TASK_QUEUE_H_

#include <list>
#include <memory>
#include <vector>

#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/task/sequenced_task_runner.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "content/common/content_export.h"
#include "third_party/leveldatabase/src/include/leveldb/status.h"

namespace blink {
struct IndexedDBDatabaseMetadata;
}

namespace leveldb {
class DB;
}

namespace content {

// Holds a queue of PreCloseTask's to be run after an IndexedDBBackingStore no
// longer has any connections.
//
// There is a special IndexedDBMetadata fetcher task that runs before all the
// other tasks, and whose output is passed to each task before they start.
//
// Owned by IndexedDBBackingStore.
class CONTENT_EXPORT IndexedDBPreCloseTaskQueue { … };

}  // namespace content

#endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_PRE_CLOSE_TASK_QUEUE_H_