chromium/content/public/browser/file_system_access_permission_grant.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_PUBLIC_BROWSER_FILE_SYSTEM_ACCESS_PERMISSION_GRANT_H_
#define CONTENT_PUBLIC_BROWSER_FILE_SYSTEM_ACCESS_PERMISSION_GRANT_H_

#include "base/functional/callback.h"
#include "base/memory/ref_counted.h"
#include "base/observer_list.h"
#include "base/observer_list_types.h"
#include "content/common/content_export.h"
#include "content/public/browser/global_routing_id.h"
#include "third_party/blink/public/mojom/permissions/permission_status.mojom-forward.h"

namespace base {
class FilePath;
}

namespace content {

// A ref-counted permission grant. This is needed so the implementation of
// this class can keep track of references to permissions, and clean up state
// when no more references remain. Multiple FileSystemAccessHandle instances
// can share the same permission grant. For example a directory and all its
// children will use the same grant.
//
// Instances of this class can be retrieved via a
// FileSystemAccessPermissionContext instance.
//
// FileSystemAccessPermissionGrant instances are not thread safe, and should
// only be used (and referenced) on the same sequence as the PermissionContext
// that created them, i.e. the UI thread.
class CONTENT_EXPORT FileSystemAccessPermissionGrant
    : public base::RefCounted<FileSystemAccessPermissionGrant> { … };

}  // namespace content

#endif  // CONTENT_PUBLIC_BROWSER_FILE_SYSTEM_ACCESS_PERMISSION_GRANT_H_