chromium/components/visitedlink/browser/visitedlink_writer.h

// 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 COMPONENTS_VISITEDLINK_BROWSER_VISITEDLINK_WRITER_H_
#define COMPONENTS_VISITEDLINK_BROWSER_VISITEDLINK_WRITER_H_

#include <stddef.h>
#include <stdint.h>

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

#include "base/files/file_path.h"
#include "base/files/scoped_file.h"
#include "base/functional/callback.h"
#include "base/functional/callback_forward.h"
#include "base/gtest_prod_util.h"
#include "base/memory/free_deleter.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/read_only_shared_memory_region.h"
#include "base/memory/ref_counted.h"
#include "base/memory/shared_memory_mapping.h"
#include "base/memory/weak_ptr.h"
#include "base/task/sequenced_task_runner.h"
#include "base/task/thread_pool.h"
#include "build/build_config.h"
#include "components/visitedlink/common/visitedlink_common.h"

#if BUILDFLAG(IS_WIN)
#include <windows.h>
#endif

#if defined(UNIT_TEST) || defined(PERF_TEST) || !defined(NDEBUG)
#include "base/check_op.h"
#endif

class GURL;

namespace content {
class BrowserContext;
}

namespace url {
class Origin;
}

namespace visitedlink {

class VisitedLinkDelegate;

// Controls the link coloring database. The writer controls all writing to the
// database as well as disk I/O. There should be only one writer.
//
// This class will defer writing operations to the file thread. This means that
// class destruction, the file may still be open since operations are pending on
// another thread.
class VisitedLinkWriter : public VisitedLinkCommon { … };

// NOTE: These methods are defined inline here, so we can share the compilation
//       of visitedlink_writer.cc between the browser and the unit/perf tests.

#if defined(UNIT_TEST) || defined(PERF_TEST) || !defined(NDEBUG)
inline void VisitedLinkWriter::DebugValidate() { … }
#endif

}  // namespace visitedlink

#endif  // COMPONENTS_VISITEDLINK_BROWSER_VISITEDLINK_WRITER_H_