| // Copyright (c) 2011 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CROS_DISKS_MOUNTER_H_ |
| #define CROS_DISKS_MOUNTER_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include <base/files/file_path.h> |
| #include <base/macros.h> |
| #include <chromeos/dbus/service_constants.h> |
| |
| #include "cros-disks/mount_options.h" |
| |
| namespace cros_disks { |
| |
| class MountPoint; |
| |
| // Interface for mounting a given filesystem. |
| class Mounter { |
| public: |
| Mounter(); |
| virtual ~Mounter(); |
| |
| // Mounts the filesystem. On failure returns nullptr and |error| is |
| // set accordingly. Both |source| and |params| are just some strings |
| // that can be interpreted by this mounter. |
| virtual std::unique_ptr<MountPoint> Mount(const std::string& source, |
| const base::FilePath& target_path, |
| std::vector<std::string> params, |
| MountErrorType* error) const = 0; |
| |
| // Whether this mounter is able to mount given |source| with provided |
| // |params|. If so - it may suggest a directory name for the mount point |
| // to be created. Note that in many cases it's impossible to tell beforehand |
| // if the particular source is mountable so it may blanketly return true for |
| // any arguments. |
| virtual bool CanMount(const std::string& source, |
| const std::vector<std::string>& params, |
| base::FilePath* suggested_dir_name) const = 0; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Mounter); |
| }; |
| |
| // Temporary adaptor to keep some signatures compatible with old implementation |
| // and minimize churn. |
| // TODO(crbug.com/933018): Remove when done. |
| class MounterCompat : public Mounter { |
| public: |
| explicit MounterCompat(MountOptions mount_options, |
| std::unique_ptr<Mounter> mounter = {}); |
| ~MounterCompat() override; |
| |
| // Mounter overrides. |
| std::unique_ptr<MountPoint> Mount(const std::string& source, |
| const base::FilePath& target_path, |
| std::vector<std::string> params, |
| MountErrorType* error) const override; |
| // Always returns true. |
| bool CanMount(const std::string& source, |
| const std::vector<std::string>& params, |
| base::FilePath* suggested_dir_name) const override; |
| |
| const Mounter* mounter() const { return mounter_.get(); } |
| const MountOptions& mount_options() const { return mount_options_; } |
| |
| private: |
| const std::unique_ptr<Mounter> mounter_; |
| const MountOptions mount_options_; |
| |
| DISALLOW_COPY_AND_ASSIGN(MounterCompat); |
| }; |
| |
| } // namespace cros_disks |
| |
| #endif // CROS_DISKS_MOUNTER_H_ |