chromium/content/browser/file_system_access/file_system_access_handle_base.h

// Copyright 2019 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_FILE_SYSTEM_ACCESS_FILE_SYSTEM_ACCESS_HANDLE_BASE_H_
#define CONTENT_BROWSER_FILE_SYSTEM_ACCESS_FILE_SYSTEM_ACCESS_HANDLE_BASE_H_

#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "base/thread_annotations.h"
#include "content/browser/file_system_access/file_system_access_lock_manager.h"
#include "content/browser/file_system_access/file_system_access_manager_impl.h"
#include "content/browser/file_system_access/file_system_access_transfer_token_impl.h"
#include "content/common/content_export.h"
#include "content/public/browser/content_browser_client.h"
#include "content/public/browser/file_system_access_permission_context.h"
#include "storage/browser/file_system/file_system_url.h"
#include "third_party/blink/public/mojom/file_system_access/file_system_access_cloud_identifier.mojom.h"
#include "third_party/blink/public/mojom/file_system_access/file_system_access_error.mojom.h"
#include "third_party/blink/public/mojom/permissions/permission_status.mojom.h"

namespace storage {
class FileSystemContext;
}  // namespace storage

namespace content {

class WebContents;
class FileSystemAccessSafeMoveHelper;

// Base class for File and Directory handle implementations. Holds data that is
// common to both and (will) deal with functionality that is common as well,
// such as permission requests. Instances of this class should be owned by the
// FileSystemAccessManagerImpl instance passed in to the constructor.
//
// This class is not thread safe, all methods must be called from the same
// sequence. That sequence also has to be the same sequence on which the
// FileSystemAccessPermissionContext expects to be interacted with, which
// is the UI thread.
class CONTENT_EXPORT FileSystemAccessHandleBase { … };

template <typename CallbackArgType>
void FileSystemAccessHandleBase::RunWithWritePermission(
    base::OnceCallback<void(CallbackArgType)> callback,
    base::OnceCallback<void(blink::mojom::FileSystemAccessErrorPtr,
                            CallbackArgType)> no_permission_callback,
    CallbackArgType callback_arg) { … }

}  // namespace content

#endif  // CONTENT_BROWSER_FILE_SYSTEM_ACCESS_FILE_SYSTEM_ACCESS_HANDLE_BASE_H_