| /* |
| * Copyright (C) 2009 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.Binder; |
| import android.os.IBinder; |
| import android.os.IInterface; |
| import android.os.Parcel; |
| import android.os.RemoteException; |
| |
| /** |
| * Callback class for receiving events from MountService. |
| * |
| * @hide - Applications should use IStorageEventListener for storage event |
| * callbacks. |
| */ |
| public interface IMountServiceListener extends IInterface { |
| /** Local-side IPC implementation stub class. */ |
| public static abstract class Stub extends Binder implements IMountServiceListener { |
| private static final String DESCRIPTOR = "IMountServiceListener"; |
| |
| /** Construct the stub at attach it to the interface. */ |
| public Stub() { |
| this.attachInterface(this, DESCRIPTOR); |
| } |
| |
| /** |
| * Cast an IBinder object into an IMountServiceListener interface, |
| * generating a proxy if needed. |
| */ |
| public static IMountServiceListener asInterface(IBinder obj) { |
| if ((obj == null)) { |
| return null; |
| } |
| IInterface iin = (IInterface) obj.queryLocalInterface(DESCRIPTOR); |
| if (((iin != null) && (iin instanceof IMountServiceListener))) { |
| return ((IMountServiceListener) iin); |
| } |
| return new IMountServiceListener.Stub.Proxy(obj); |
| } |
| |
| public IBinder asBinder() { |
| return this; |
| } |
| |
| @Override |
| public boolean onTransact(int code, Parcel data, Parcel reply, int flags) |
| throws RemoteException { |
| switch (code) { |
| case INTERFACE_TRANSACTION: { |
| reply.writeString(DESCRIPTOR); |
| return true; |
| } |
| case TRANSACTION_onUsbMassStorageConnectionChanged: { |
| data.enforceInterface(DESCRIPTOR); |
| boolean connected; |
| connected = (0 != data.readInt()); |
| this.onUsbMassStorageConnectionChanged(connected); |
| reply.writeNoException(); |
| return true; |
| } |
| case TRANSACTION_onStorageStateChanged: { |
| data.enforceInterface(DESCRIPTOR); |
| String path; |
| path = data.readString(); |
| String oldState; |
| oldState = data.readString(); |
| String newState; |
| newState = data.readString(); |
| this.onStorageStateChanged(path, oldState, newState); |
| reply.writeNoException(); |
| return true; |
| } |
| } |
| return super.onTransact(code, data, reply, flags); |
| } |
| |
| private static class Proxy implements IMountServiceListener { |
| private IBinder mRemote; |
| |
| Proxy(IBinder remote) { |
| mRemote = remote; |
| } |
| |
| public IBinder asBinder() { |
| return mRemote; |
| } |
| |
| public String getInterfaceDescriptor() { |
| return DESCRIPTOR; |
| } |
| |
| /** |
| * Detection state of USB Mass Storage has changed |
| * |
| * @param available true if a UMS host is connected. |
| */ |
| public void onUsbMassStorageConnectionChanged(boolean connected) throws RemoteException { |
| Parcel _data = Parcel.obtain(); |
| Parcel _reply = Parcel.obtain(); |
| try { |
| _data.writeInterfaceToken(DESCRIPTOR); |
| _data.writeInt(((connected) ? (1) : (0))); |
| mRemote.transact(Stub.TRANSACTION_onUsbMassStorageConnectionChanged, _data, |
| _reply, 0); |
| _reply.readException(); |
| } finally { |
| _reply.recycle(); |
| _data.recycle(); |
| } |
| } |
| |
| /** |
| * 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() |
| */ |
| public void onStorageStateChanged(String path, String oldState, String newState) |
| throws RemoteException { |
| Parcel _data = Parcel.obtain(); |
| Parcel _reply = Parcel.obtain(); |
| try { |
| _data.writeInterfaceToken(DESCRIPTOR); |
| _data.writeString(path); |
| _data.writeString(oldState); |
| _data.writeString(newState); |
| mRemote.transact(Stub.TRANSACTION_onStorageStateChanged, _data, _reply, 0); |
| _reply.readException(); |
| } finally { |
| _reply.recycle(); |
| _data.recycle(); |
| } |
| } |
| } |
| |
| static final int TRANSACTION_onUsbMassStorageConnectionChanged = (IBinder.FIRST_CALL_TRANSACTION + 0); |
| |
| static final int TRANSACTION_onStorageStateChanged = (IBinder.FIRST_CALL_TRANSACTION + 1); |
| } |
| |
| /** |
| * Detection state of USB Mass Storage has changed |
| * |
| * @param available true if a UMS host is connected. |
| */ |
| public void onUsbMassStorageConnectionChanged(boolean connected) throws RemoteException; |
| |
| /** |
| * 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() |
| */ |
| public void onStorageStateChanged(String path, String oldState, String newState) |
| throws RemoteException; |
| } |