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- // Copyright 2018 The Chromium 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 COMPONENTS_STORAGE_MONITOR_MTP_MANAGER_CLIENT_CHROMEOS_H_
- #define COMPONENTS_STORAGE_MONITOR_MTP_MANAGER_CLIENT_CHROMEOS_H_
- #include <map>
- #include <string>
- #include <vector>
- #include "base/memory/weak_ptr.h"
- #include "components/storage_monitor/storage_monitor.h"
- #include "mojo/public/cpp/bindings/associated_receiver.h"
- #include "services/device/public/mojom/mtp_manager.mojom.h"
- namespace base {
- class FilePath;
- }
- namespace storage_monitor {
- // This client listens for MTP storage attachment and detachment events
- // from MtpManager and forwards them to StorageMonitor.
- class MtpManagerClientChromeOS : public device::mojom::MtpManagerClient {
- public:
- MtpManagerClientChromeOS(StorageMonitor::Receiver* receiver,
- device::mojom::MtpManager* mtp_manager);
- MtpManagerClientChromeOS(const MtpManagerClientChromeOS&) = delete;
- MtpManagerClientChromeOS& operator=(const MtpManagerClientChromeOS&) = delete;
- ~MtpManagerClientChromeOS() override;
- // Finds the storage that contains |path| and populates |storage_info|.
- // Returns false if unable to find the storage.
- bool GetStorageInfoForPath(const base::FilePath& path,
- StorageInfo* storage_info) const;
- void EjectDevice(
- const std::string& device_id,
- base::OnceCallback<void(StorageMonitor::EjectStatus)> callback);
- protected:
- // device::mojom::MtpManagerClient implementation.
- // Exposed for unit tests.
- void StorageAttached(device::mojom::MtpStorageInfoPtr storage_info) override;
- void StorageDetached(const std::string& storage_name) override;
- private:
- // Mapping of storage location and MTP storage info object.
- using StorageLocationToInfoMap = std::map<std::string, StorageInfo>;
- // Enumerate existing MTP storage devices.
- void OnReceivedStorages(
- std::vector<device::mojom::MtpStorageInfoPtr> storage_info_list);
- // Find the |storage_map_| key for the record with this |device_id|. Returns
- // true on success, false on failure.
- bool GetLocationForDeviceId(const std::string& device_id,
- std::string* location) const;
- // Map of all attached MTP devices.
- StorageLocationToInfoMap storage_map_;
- // Pointer to the MTP manager. Not owned. Client must ensure the MTP
- // manager outlives this object.
- device::mojom::MtpManager* const mtp_manager_;
- mojo::AssociatedReceiver<device::mojom::MtpManagerClient> receiver_{this};
- // The notifications object to use to signal newly attached devices.
- // Guaranteed to outlive this class.
- StorageMonitor::Receiver* const notifications_;
- base::WeakPtrFactory<MtpManagerClientChromeOS> weak_ptr_factory_{this};
- };
- } // namespace storage_monitor
- #endif // COMPONENTS_STORAGE_MONITOR_MTP_MANAGER_CLIENT_CHROMEOS_H_
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