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// 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 CHROMEOS_ASH_COMPONENTS_DISKS_MOUNT_POINT_H_
#define CHROMEOS_ASH_COMPONENTS_DISKS_MOUNT_POINT_H_
#include <memory>
#include "base/component_export.h"
#include "base/files/file_path.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "chromeos/ash/components/disks/disk_mount_manager.h"
namespace ash {
namespace disks {
class DiskMountManager;
// MountPoint is a thin wrapper around a mount point that was mounted with
// DiskMountManager. MountPoint 'owns' the mount point and unmounts it on
// destruction.
class COMPONENT_EXPORT(CHROMEOS_ASH_COMPONENTS_DISKS) MountPoint {
public:
using DoneCallback =
base::OnceCallback<void(MountError, std::unique_ptr<MountPoint>)>;
using UnmountCallback = DiskMountManager::UnmountPathCallback;
// Mounts a device, archive, or network filesystem, and runs |callback| when
// done. |callback| will never be called inline. |callback| should be bound
// with a WeakPtr<> since Mount() can take an indefinite amount of time.
// See DiskMountManager::MountPath() for other argument details.
static void Mount(DiskMountManager* disk_mount_manager,
const std::string& source_path,
const std::string& source_format,
const std::string& mount_label,
const std::vector<std::string>& mount_options,
MountType mount_type,
MountAccessMode access_mode,
DoneCallback callback);
MountPoint() = delete;
MountPoint(const MountPoint&) = delete;
MountPoint& operator=(const MountPoint&) = delete;
MountPoint(const base::FilePath& mount_path,
DiskMountManager* disk_mount_manager);
~MountPoint();
// Unmounts the mount point, and runs |callback| when done. |callback| must be
// non-null, and will not be run if |this| is destroyed before the unmount has
// completed.
void Unmount(UnmountCallback callback);
const base::FilePath& mount_path() const { return mount_path_; }
private:
// Callback for DiskMountManager::UnmountPath().
void OnUmountDone(UnmountCallback callback, MountError unmount_error);
base::FilePath mount_path_;
const raw_ptr<DiskMountManager> disk_mount_manager_;
base::WeakPtrFactory<MountPoint> weak_factory_{this};
};
} // namespace disks
} // namespace ash
#endif // CHROMEOS_ASH_COMPONENTS_DISKS_MOUNT_POINT_H_
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