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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_FILE_MANAGER_FUSEBOX_DAEMON_H_
#define CHROME_BROWSER_ASH_FILE_MANAGER_FUSEBOX_DAEMON_H_
#include <map>
#include <string>
#include "base/component_export.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "chromeos/ash/components/disks/disk_mount_manager.h"
namespace file_manager {
class COMPONENT_EXPORT(ASH_DBUS_CROS_DISKS) FuseBoxDaemon
: public base::RefCounted<FuseBoxDaemon> {
public:
// Returns the fusebox daemon. Creates the fusebox daemon if needed.
static scoped_refptr<FuseBoxDaemon> GetInstance();
// Attach fusebox storage: adds fusebox daemon <mount-point>/subdir used to
// serve the content of the Chrome storage::FileSystemURL |url| via FUSE to
// the Linux file system. The <mount-point>/subdir content is read-write by
// default: use |read_only| true to make the content read-only.
void AttachStorage(const std::string& subdir,
const std::string& url,
bool read_only);
// Detach fusebox storage: removes fusebox daemon <mount-point>/subdir.
void DetachStorage(const std::string& subdir);
private:
friend class base::RefCounted<FuseBoxDaemon>;
FuseBoxDaemon();
~FuseBoxDaemon();
// Cros-disks mount manager.
using CrosDisksMountManager = ::ash::disks::DiskMountManager;
raw_ptr<CrosDisksMountManager> cros_disks_mount_manager_ = nullptr;
// FuseBox daemon URI: cros-disks URI protocol is fusebox://<mount-point>.
static char* CrosDisksFuseBoxHelperURI() {
static char kCrosDisksFuseBoxHelperURI[] = "fusebox://fusebox";
return kCrosDisksFuseBoxHelperURI;
}
// Construction creates and mounts the cros-disks fusebox daemon.
using FuseBoxMountInfo = ::ash::disks::DiskMountManager::MountPoint;
void MountResponse(ash::MountError error, const FuseBoxMountInfo& info);
// True if the fusebox daemon was successfully mounted.
bool mounted_ = false;
// List of `AttachStorage` calls prior to the fusebox daemon mount.
using UrlReadOnlyPair = std::pair<std::string, bool>;
std::map<std::string, UrlReadOnlyPair> pending_attach_storage_calls_;
// base::WeakPtr{this} factory.
base::WeakPtrFactory<FuseBoxDaemon> weak_ptr_factory_{this};
};
} // namespace file_manager
#endif // CHROME_BROWSER_ASH_FILE_MANAGER_FUSEBOX_DAEMON_H_
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