| /** |
| * Copyright (c) 2016, The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.os.storage; |
| |
| import android.os.storage.DiskInfo; |
| import android.os.storage.VolumeInfo; |
| import android.os.storage.VolumeRecord; |
| |
| /** |
| * Callback class for receiving events from StorageManagerService. |
| * |
| * Don't change the existing transaction Ids as they could be used in the native code. |
| * When adding a new method, assign the next available transaction id. |
| * |
| * @hide - Applications should use {@link android.os.storage.StorageEventListener} class for |
| * storage event callbacks. |
| */ |
| oneway interface IStorageEventListener { |
| /** |
| * Detection state of USB Mass Storage has changed |
| * |
| * @param available true if a UMS host is connected. |
| */ |
| void onUsbMassStorageConnectionChanged(boolean connected) = 0; |
| |
| /** |
| * Storage state has changed. |
| * |
| * @param path The volume mount path. |
| * @param oldState The old state of the volume. |
| * @param newState The new state of the volume. Note: State is one of the |
| * values returned by Environment.getExternalStorageState() |
| */ |
| void onStorageStateChanged(in String path, in String oldState, in String newState) = 1; |
| |
| void onVolumeStateChanged(in VolumeInfo vol, int oldState, int newState) = 2; |
| |
| void onVolumeRecordChanged(in VolumeRecord rec) = 3; |
| |
| void onVolumeForgotten(in String fsUuid) = 4; |
| |
| void onDiskScanned(in DiskInfo disk, int volumeCount) = 5; |
| |
| void onDiskDestroyed(in DiskInfo disk) = 6; |
| |
| /** |
| * Don't change the existing transaction Ids as they could be used in the native code. |
| * When adding a new method, assign the next available transaction id. |
| */ |
| } |