StorageManager.java revision ec7c9ff0bb1c98cb8bec3ec7bdacbae3a434fa53
1b104340496e3a531e26c8f428c808eca0e039f50San Mehat/* 2b104340496e3a531e26c8f428c808eca0e039f50San Mehat * Copyright (C) 2008 The Android Open Source Project 3b104340496e3a531e26c8f428c808eca0e039f50San Mehat * 4b104340496e3a531e26c8f428c808eca0e039f50San Mehat * Licensed under the Apache License, Version 2.0 (the "License"); 5b104340496e3a531e26c8f428c808eca0e039f50San Mehat * you may not use this file except in compliance with the License. 6b104340496e3a531e26c8f428c808eca0e039f50San Mehat * You may obtain a copy of the License at 7b104340496e3a531e26c8f428c808eca0e039f50San Mehat * 8b104340496e3a531e26c8f428c808eca0e039f50San Mehat * http://www.apache.org/licenses/LICENSE-2.0 9b104340496e3a531e26c8f428c808eca0e039f50San Mehat * 10b104340496e3a531e26c8f428c808eca0e039f50San Mehat * Unless required by applicable law or agreed to in writing, software 11b104340496e3a531e26c8f428c808eca0e039f50San Mehat * distributed under the License is distributed on an "AS IS" BASIS, 12b104340496e3a531e26c8f428c808eca0e039f50San Mehat * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13b104340496e3a531e26c8f428c808eca0e039f50San Mehat * See the License for the specific language governing permissions and 14b104340496e3a531e26c8f428c808eca0e039f50San Mehat * limitations under the License. 15b104340496e3a531e26c8f428c808eca0e039f50San Mehat */ 16b104340496e3a531e26c8f428c808eca0e039f50San Mehat 17b104340496e3a531e26c8f428c808eca0e039f50San Mehatpackage android.os.storage; 18b104340496e3a531e26c8f428c808eca0e039f50San Mehat 19b104340496e3a531e26c8f428c808eca0e039f50San Mehatimport android.os.Handler; 20a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Rootimport android.os.Looper; 21b104340496e3a531e26c8f428c808eca0e039f50San Mehatimport android.os.Message; 22a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Rootimport android.os.RemoteException; 23b104340496e3a531e26c8f428c808eca0e039f50San Mehatimport android.os.ServiceManager; 24b104340496e3a531e26c8f428c808eca0e039f50San Mehatimport android.util.Log; 25af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Rootimport android.util.Slog; 26af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Rootimport android.util.SparseArray; 27b104340496e3a531e26c8f428c808eca0e039f50San Mehat 2805105f7abe02b2dff91d6260b3628c8b97816babKenny Rootimport java.lang.ref.WeakReference; 29b104340496e3a531e26c8f428c808eca0e039f50San Mehatimport java.util.ArrayList; 3005105f7abe02b2dff91d6260b3628c8b97816babKenny Rootimport java.util.List; 31af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Rootimport java.util.concurrent.atomic.AtomicInteger; 32b104340496e3a531e26c8f428c808eca0e039f50San Mehat 33b104340496e3a531e26c8f428c808eca0e039f50San Mehat/** 3405105f7abe02b2dff91d6260b3628c8b97816babKenny Root * StorageManager is the interface to the systems storage service. The storage 3505105f7abe02b2dff91d6260b3628c8b97816babKenny Root * manager handles storage-related items such as Opaque Binary Blobs (OBBs). 3605105f7abe02b2dff91d6260b3628c8b97816babKenny Root * <p> 3705105f7abe02b2dff91d6260b3628c8b97816babKenny Root * OBBs contain a filesystem that maybe be encrypted on disk and mounted 3805105f7abe02b2dff91d6260b3628c8b97816babKenny Root * on-demand from an application. OBBs are a good way of providing large amounts 3905105f7abe02b2dff91d6260b3628c8b97816babKenny Root * of binary assets without packaging them into APKs as they may be multiple 4005105f7abe02b2dff91d6260b3628c8b97816babKenny Root * gigabytes in size. However, due to their size, they're most likely stored in 4105105f7abe02b2dff91d6260b3628c8b97816babKenny Root * a shared storage pool accessible from all programs. The system does not 4205105f7abe02b2dff91d6260b3628c8b97816babKenny Root * guarantee the security of the OBB file itself: if any program modifies the 4305105f7abe02b2dff91d6260b3628c8b97816babKenny Root * OBB, there is no guarantee that a read from that OBB will produce the 4405105f7abe02b2dff91d6260b3628c8b97816babKenny Root * expected output. 4505105f7abe02b2dff91d6260b3628c8b97816babKenny Root * <p> 46b104340496e3a531e26c8f428c808eca0e039f50San Mehat * Get an instance of this class by calling 4705105f7abe02b2dff91d6260b3628c8b97816babKenny Root * {@link android.content.Context#getSystemService(java.lang.String)} with an 4805105f7abe02b2dff91d6260b3628c8b97816babKenny Root * argument of {@link android.content.Context#STORAGE_SERVICE}. 49b104340496e3a531e26c8f428c808eca0e039f50San Mehat */ 50b104340496e3a531e26c8f428c808eca0e039f50San Mehat 51b104340496e3a531e26c8f428c808eca0e039f50San Mehatpublic class StorageManager 52b104340496e3a531e26c8f428c808eca0e039f50San Mehat{ 53b104340496e3a531e26c8f428c808eca0e039f50San Mehat private static final String TAG = "StorageManager"; 54b104340496e3a531e26c8f428c808eca0e039f50San Mehat 55b104340496e3a531e26c8f428c808eca0e039f50San Mehat /* 56b104340496e3a531e26c8f428c808eca0e039f50San Mehat * Our internal MountService binder reference 57b104340496e3a531e26c8f428c808eca0e039f50San Mehat */ 58b104340496e3a531e26c8f428c808eca0e039f50San Mehat private IMountService mMountService; 59b104340496e3a531e26c8f428c808eca0e039f50San Mehat 60b104340496e3a531e26c8f428c808eca0e039f50San Mehat /* 61b104340496e3a531e26c8f428c808eca0e039f50San Mehat * The looper target for callbacks 62b104340496e3a531e26c8f428c808eca0e039f50San Mehat */ 63b104340496e3a531e26c8f428c808eca0e039f50San Mehat Looper mTgtLooper; 64b104340496e3a531e26c8f428c808eca0e039f50San Mehat 65b104340496e3a531e26c8f428c808eca0e039f50San Mehat /* 66b104340496e3a531e26c8f428c808eca0e039f50San Mehat * Target listener for binder callbacks 67b104340496e3a531e26c8f428c808eca0e039f50San Mehat */ 68b104340496e3a531e26c8f428c808eca0e039f50San Mehat private MountServiceBinderListener mBinderListener; 69b104340496e3a531e26c8f428c808eca0e039f50San Mehat 70b104340496e3a531e26c8f428c808eca0e039f50San Mehat /* 71b104340496e3a531e26c8f428c808eca0e039f50San Mehat * List of our listeners 72b104340496e3a531e26c8f428c808eca0e039f50San Mehat */ 73af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root private List<ListenerDelegate> mListeners = new ArrayList<ListenerDelegate>(); 74af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root 75af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root /* 76af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root * Next available nonce 77af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root */ 78af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root final private AtomicInteger mNextNonce = new AtomicInteger(0); 79b104340496e3a531e26c8f428c808eca0e039f50San Mehat 80b104340496e3a531e26c8f428c808eca0e039f50San Mehat private class MountServiceBinderListener extends IMountServiceListener.Stub { 81b104340496e3a531e26c8f428c808eca0e039f50San Mehat public void onUsbMassStorageConnectionChanged(boolean available) { 82b104340496e3a531e26c8f428c808eca0e039f50San Mehat final int size = mListeners.size(); 83b104340496e3a531e26c8f428c808eca0e039f50San Mehat for (int i = 0; i < size; i++) { 84b104340496e3a531e26c8f428c808eca0e039f50San Mehat mListeners.get(i).sendShareAvailabilityChanged(available); 85b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 86b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 87b104340496e3a531e26c8f428c808eca0e039f50San Mehat 88b104340496e3a531e26c8f428c808eca0e039f50San Mehat public void onStorageStateChanged(String path, String oldState, String newState) { 89b104340496e3a531e26c8f428c808eca0e039f50San Mehat final int size = mListeners.size(); 90b104340496e3a531e26c8f428c808eca0e039f50San Mehat for (int i = 0; i < size; i++) { 91b104340496e3a531e26c8f428c808eca0e039f50San Mehat mListeners.get(i).sendStorageStateChanged(path, oldState, newState); 92b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 93b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 94b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 95b104340496e3a531e26c8f428c808eca0e039f50San Mehat 96b104340496e3a531e26c8f428c808eca0e039f50San Mehat /** 97a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * Binder listener for OBB action results. 98a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root */ 9905105f7abe02b2dff91d6260b3628c8b97816babKenny Root private final ObbActionListener mObbActionListener = new ObbActionListener(); 10005105f7abe02b2dff91d6260b3628c8b97816babKenny Root 10105105f7abe02b2dff91d6260b3628c8b97816babKenny Root private class ObbActionListener extends IObbActionListener.Stub { 102af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root private SparseArray<ObbListenerDelegate> mListeners = new SparseArray<ObbListenerDelegate>(); 10305105f7abe02b2dff91d6260b3628c8b97816babKenny Root 104a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root @Override 105af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root public void onObbResult(String filename, int nonce, int status) throws RemoteException { 106af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root final ObbListenerDelegate delegate; 10705105f7abe02b2dff91d6260b3628c8b97816babKenny Root synchronized (mListeners) { 108af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root delegate = mListeners.get(nonce); 109af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root if (delegate != null) { 110af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root mListeners.remove(nonce); 11105105f7abe02b2dff91d6260b3628c8b97816babKenny Root } 11205105f7abe02b2dff91d6260b3628c8b97816babKenny Root } 11305105f7abe02b2dff91d6260b3628c8b97816babKenny Root 114af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root if (delegate != null) { 115af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root delegate.sendObbStateChanged(filename, status); 11605105f7abe02b2dff91d6260b3628c8b97816babKenny Root } 117af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root } 11805105f7abe02b2dff91d6260b3628c8b97816babKenny Root 119af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root public int addListener(OnObbStateChangeListener listener) { 120af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root final ObbListenerDelegate delegate = new ObbListenerDelegate(listener); 12105105f7abe02b2dff91d6260b3628c8b97816babKenny Root 122af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root synchronized (mListeners) { 123af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root mListeners.put(delegate.nonce, delegate); 12405105f7abe02b2dff91d6260b3628c8b97816babKenny Root } 125af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root 126af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root return delegate.nonce; 12705105f7abe02b2dff91d6260b3628c8b97816babKenny Root } 12805105f7abe02b2dff91d6260b3628c8b97816babKenny Root } 12905105f7abe02b2dff91d6260b3628c8b97816babKenny Root 130af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root private int getNextNonce() { 131af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root return mNextNonce.getAndIncrement(); 132af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root } 133af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root 13405105f7abe02b2dff91d6260b3628c8b97816babKenny Root /** 13505105f7abe02b2dff91d6260b3628c8b97816babKenny Root * Private class containing sender and receiver code for StorageEvents. 13605105f7abe02b2dff91d6260b3628c8b97816babKenny Root */ 13705105f7abe02b2dff91d6260b3628c8b97816babKenny Root private class ObbListenerDelegate { 13805105f7abe02b2dff91d6260b3628c8b97816babKenny Root private final WeakReference<OnObbStateChangeListener> mObbEventListenerRef; 13905105f7abe02b2dff91d6260b3628c8b97816babKenny Root private final Handler mHandler; 14005105f7abe02b2dff91d6260b3628c8b97816babKenny Root 141af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root private final int nonce; 142af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root 14305105f7abe02b2dff91d6260b3628c8b97816babKenny Root ObbListenerDelegate(OnObbStateChangeListener listener) { 144af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root nonce = getNextNonce(); 14505105f7abe02b2dff91d6260b3628c8b97816babKenny Root mObbEventListenerRef = new WeakReference<OnObbStateChangeListener>(listener); 14605105f7abe02b2dff91d6260b3628c8b97816babKenny Root mHandler = new Handler(mTgtLooper) { 14705105f7abe02b2dff91d6260b3628c8b97816babKenny Root @Override 14805105f7abe02b2dff91d6260b3628c8b97816babKenny Root public void handleMessage(Message msg) { 14905105f7abe02b2dff91d6260b3628c8b97816babKenny Root final OnObbStateChangeListener listener = getListener(); 15005105f7abe02b2dff91d6260b3628c8b97816babKenny Root if (listener == null) { 15105105f7abe02b2dff91d6260b3628c8b97816babKenny Root return; 15205105f7abe02b2dff91d6260b3628c8b97816babKenny Root } 15305105f7abe02b2dff91d6260b3628c8b97816babKenny Root 15405105f7abe02b2dff91d6260b3628c8b97816babKenny Root StorageEvent e = (StorageEvent) msg.obj; 15505105f7abe02b2dff91d6260b3628c8b97816babKenny Root 15605105f7abe02b2dff91d6260b3628c8b97816babKenny Root if (msg.what == StorageEvent.EVENT_OBB_STATE_CHANGED) { 15705105f7abe02b2dff91d6260b3628c8b97816babKenny Root ObbStateChangedStorageEvent ev = (ObbStateChangedStorageEvent) e; 15805105f7abe02b2dff91d6260b3628c8b97816babKenny Root listener.onObbStateChange(ev.path, ev.state); 15905105f7abe02b2dff91d6260b3628c8b97816babKenny Root } else { 16005105f7abe02b2dff91d6260b3628c8b97816babKenny Root Log.e(TAG, "Unsupported event " + msg.what); 16105105f7abe02b2dff91d6260b3628c8b97816babKenny Root } 16205105f7abe02b2dff91d6260b3628c8b97816babKenny Root } 16305105f7abe02b2dff91d6260b3628c8b97816babKenny Root }; 16405105f7abe02b2dff91d6260b3628c8b97816babKenny Root } 16505105f7abe02b2dff91d6260b3628c8b97816babKenny Root 16605105f7abe02b2dff91d6260b3628c8b97816babKenny Root OnObbStateChangeListener getListener() { 16705105f7abe02b2dff91d6260b3628c8b97816babKenny Root if (mObbEventListenerRef == null) { 16805105f7abe02b2dff91d6260b3628c8b97816babKenny Root return null; 16905105f7abe02b2dff91d6260b3628c8b97816babKenny Root } 17005105f7abe02b2dff91d6260b3628c8b97816babKenny Root return mObbEventListenerRef.get(); 17105105f7abe02b2dff91d6260b3628c8b97816babKenny Root } 17205105f7abe02b2dff91d6260b3628c8b97816babKenny Root 173af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root void sendObbStateChanged(String path, int state) { 17405105f7abe02b2dff91d6260b3628c8b97816babKenny Root ObbStateChangedStorageEvent e = new ObbStateChangedStorageEvent(path, state); 17505105f7abe02b2dff91d6260b3628c8b97816babKenny Root mHandler.sendMessage(e.getMessage()); 17605105f7abe02b2dff91d6260b3628c8b97816babKenny Root } 17705105f7abe02b2dff91d6260b3628c8b97816babKenny Root } 17805105f7abe02b2dff91d6260b3628c8b97816babKenny Root 17905105f7abe02b2dff91d6260b3628c8b97816babKenny Root /** 18005105f7abe02b2dff91d6260b3628c8b97816babKenny Root * Message sent during an OBB status change event. 18105105f7abe02b2dff91d6260b3628c8b97816babKenny Root */ 18205105f7abe02b2dff91d6260b3628c8b97816babKenny Root private class ObbStateChangedStorageEvent extends StorageEvent { 18305105f7abe02b2dff91d6260b3628c8b97816babKenny Root public final String path; 18405105f7abe02b2dff91d6260b3628c8b97816babKenny Root 185af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root public final int state; 186af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root 187af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root public ObbStateChangedStorageEvent(String path, int state) { 18805105f7abe02b2dff91d6260b3628c8b97816babKenny Root super(EVENT_OBB_STATE_CHANGED); 18905105f7abe02b2dff91d6260b3628c8b97816babKenny Root this.path = path; 19005105f7abe02b2dff91d6260b3628c8b97816babKenny Root this.state = state; 191a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root } 192a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root } 193a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root 194a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root /** 195b104340496e3a531e26c8f428c808eca0e039f50San Mehat * Private base class for messages sent between the callback thread 196b104340496e3a531e26c8f428c808eca0e039f50San Mehat * and the target looper handler. 197b104340496e3a531e26c8f428c808eca0e039f50San Mehat */ 198b104340496e3a531e26c8f428c808eca0e039f50San Mehat private class StorageEvent { 19905105f7abe02b2dff91d6260b3628c8b97816babKenny Root static final int EVENT_UMS_CONNECTION_CHANGED = 1; 20005105f7abe02b2dff91d6260b3628c8b97816babKenny Root static final int EVENT_STORAGE_STATE_CHANGED = 2; 20105105f7abe02b2dff91d6260b3628c8b97816babKenny Root static final int EVENT_OBB_STATE_CHANGED = 3; 202b104340496e3a531e26c8f428c808eca0e039f50San Mehat 203b104340496e3a531e26c8f428c808eca0e039f50San Mehat private Message mMessage; 204b104340496e3a531e26c8f428c808eca0e039f50San Mehat 205b104340496e3a531e26c8f428c808eca0e039f50San Mehat public StorageEvent(int what) { 206b104340496e3a531e26c8f428c808eca0e039f50San Mehat mMessage = Message.obtain(); 207b104340496e3a531e26c8f428c808eca0e039f50San Mehat mMessage.what = what; 208b104340496e3a531e26c8f428c808eca0e039f50San Mehat mMessage.obj = this; 209b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 210b104340496e3a531e26c8f428c808eca0e039f50San Mehat 211b104340496e3a531e26c8f428c808eca0e039f50San Mehat public Message getMessage() { 212b104340496e3a531e26c8f428c808eca0e039f50San Mehat return mMessage; 213b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 214b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 215b104340496e3a531e26c8f428c808eca0e039f50San Mehat 216b104340496e3a531e26c8f428c808eca0e039f50San Mehat /** 217b104340496e3a531e26c8f428c808eca0e039f50San Mehat * Message sent on a USB mass storage connection change. 218b104340496e3a531e26c8f428c808eca0e039f50San Mehat */ 219b104340496e3a531e26c8f428c808eca0e039f50San Mehat private class UmsConnectionChangedStorageEvent extends StorageEvent { 220b104340496e3a531e26c8f428c808eca0e039f50San Mehat public boolean available; 221b104340496e3a531e26c8f428c808eca0e039f50San Mehat 222b104340496e3a531e26c8f428c808eca0e039f50San Mehat public UmsConnectionChangedStorageEvent(boolean a) { 223b104340496e3a531e26c8f428c808eca0e039f50San Mehat super(EVENT_UMS_CONNECTION_CHANGED); 224b104340496e3a531e26c8f428c808eca0e039f50San Mehat available = a; 225b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 226b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 227b104340496e3a531e26c8f428c808eca0e039f50San Mehat 228b104340496e3a531e26c8f428c808eca0e039f50San Mehat /** 229b104340496e3a531e26c8f428c808eca0e039f50San Mehat * Message sent on volume state change. 230b104340496e3a531e26c8f428c808eca0e039f50San Mehat */ 231b104340496e3a531e26c8f428c808eca0e039f50San Mehat private class StorageStateChangedStorageEvent extends StorageEvent { 232b104340496e3a531e26c8f428c808eca0e039f50San Mehat public String path; 233b104340496e3a531e26c8f428c808eca0e039f50San Mehat public String oldState; 234b104340496e3a531e26c8f428c808eca0e039f50San Mehat public String newState; 235b104340496e3a531e26c8f428c808eca0e039f50San Mehat 236b104340496e3a531e26c8f428c808eca0e039f50San Mehat public StorageStateChangedStorageEvent(String p, String oldS, String newS) { 237b104340496e3a531e26c8f428c808eca0e039f50San Mehat super(EVENT_STORAGE_STATE_CHANGED); 238b104340496e3a531e26c8f428c808eca0e039f50San Mehat path = p; 239b104340496e3a531e26c8f428c808eca0e039f50San Mehat oldState = oldS; 240b104340496e3a531e26c8f428c808eca0e039f50San Mehat newState = newS; 241b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 242b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 243b104340496e3a531e26c8f428c808eca0e039f50San Mehat 244b104340496e3a531e26c8f428c808eca0e039f50San Mehat /** 245b104340496e3a531e26c8f428c808eca0e039f50San Mehat * Private class containing sender and receiver code for StorageEvents. 246b104340496e3a531e26c8f428c808eca0e039f50San Mehat */ 247b104340496e3a531e26c8f428c808eca0e039f50San Mehat private class ListenerDelegate { 248b104340496e3a531e26c8f428c808eca0e039f50San Mehat final StorageEventListener mStorageEventListener; 249b104340496e3a531e26c8f428c808eca0e039f50San Mehat private final Handler mHandler; 250b104340496e3a531e26c8f428c808eca0e039f50San Mehat 251b104340496e3a531e26c8f428c808eca0e039f50San Mehat ListenerDelegate(StorageEventListener listener) { 252b104340496e3a531e26c8f428c808eca0e039f50San Mehat mStorageEventListener = listener; 253b104340496e3a531e26c8f428c808eca0e039f50San Mehat mHandler = new Handler(mTgtLooper) { 254b104340496e3a531e26c8f428c808eca0e039f50San Mehat @Override 255b104340496e3a531e26c8f428c808eca0e039f50San Mehat public void handleMessage(Message msg) { 256b104340496e3a531e26c8f428c808eca0e039f50San Mehat StorageEvent e = (StorageEvent) msg.obj; 257b104340496e3a531e26c8f428c808eca0e039f50San Mehat 258b104340496e3a531e26c8f428c808eca0e039f50San Mehat if (msg.what == StorageEvent.EVENT_UMS_CONNECTION_CHANGED) { 259b104340496e3a531e26c8f428c808eca0e039f50San Mehat UmsConnectionChangedStorageEvent ev = (UmsConnectionChangedStorageEvent) e; 260b104340496e3a531e26c8f428c808eca0e039f50San Mehat mStorageEventListener.onUsbMassStorageConnectionChanged(ev.available); 261b104340496e3a531e26c8f428c808eca0e039f50San Mehat } else if (msg.what == StorageEvent.EVENT_STORAGE_STATE_CHANGED) { 262b104340496e3a531e26c8f428c808eca0e039f50San Mehat StorageStateChangedStorageEvent ev = (StorageStateChangedStorageEvent) e; 263b104340496e3a531e26c8f428c808eca0e039f50San Mehat mStorageEventListener.onStorageStateChanged(ev.path, ev.oldState, ev.newState); 264b104340496e3a531e26c8f428c808eca0e039f50San Mehat } else { 265b104340496e3a531e26c8f428c808eca0e039f50San Mehat Log.e(TAG, "Unsupported event " + msg.what); 266b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 267b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 268b104340496e3a531e26c8f428c808eca0e039f50San Mehat }; 269b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 270b104340496e3a531e26c8f428c808eca0e039f50San Mehat 271b104340496e3a531e26c8f428c808eca0e039f50San Mehat StorageEventListener getListener() { 272b104340496e3a531e26c8f428c808eca0e039f50San Mehat return mStorageEventListener; 273b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 274b104340496e3a531e26c8f428c808eca0e039f50San Mehat 275b104340496e3a531e26c8f428c808eca0e039f50San Mehat void sendShareAvailabilityChanged(boolean available) { 276b104340496e3a531e26c8f428c808eca0e039f50San Mehat UmsConnectionChangedStorageEvent e = new UmsConnectionChangedStorageEvent(available); 277b104340496e3a531e26c8f428c808eca0e039f50San Mehat mHandler.sendMessage(e.getMessage()); 278b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 279b104340496e3a531e26c8f428c808eca0e039f50San Mehat 280b104340496e3a531e26c8f428c808eca0e039f50San Mehat void sendStorageStateChanged(String path, String oldState, String newState) { 281b104340496e3a531e26c8f428c808eca0e039f50San Mehat StorageStateChangedStorageEvent e = new StorageStateChangedStorageEvent(path, oldState, newState); 282b104340496e3a531e26c8f428c808eca0e039f50San Mehat mHandler.sendMessage(e.getMessage()); 283b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 284b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 285b104340496e3a531e26c8f428c808eca0e039f50San Mehat 286b104340496e3a531e26c8f428c808eca0e039f50San Mehat /** 287b104340496e3a531e26c8f428c808eca0e039f50San Mehat * Constructs a StorageManager object through which an application can 288b104340496e3a531e26c8f428c808eca0e039f50San Mehat * can communicate with the systems mount service. 289b104340496e3a531e26c8f428c808eca0e039f50San Mehat * 290b104340496e3a531e26c8f428c808eca0e039f50San Mehat * @param tgtLooper The {@android.os.Looper} which events will be received on. 291b104340496e3a531e26c8f428c808eca0e039f50San Mehat * 292b104340496e3a531e26c8f428c808eca0e039f50San Mehat * <p>Applications can get instance of this class by calling 293b104340496e3a531e26c8f428c808eca0e039f50San Mehat * {@link android.content.Context#getSystemService(java.lang.String)} with an argument 294b104340496e3a531e26c8f428c808eca0e039f50San Mehat * of {@link android.content.Context#STORAGE_SERVICE}. 295b104340496e3a531e26c8f428c808eca0e039f50San Mehat * 296b104340496e3a531e26c8f428c808eca0e039f50San Mehat * @hide 297b104340496e3a531e26c8f428c808eca0e039f50San Mehat */ 298b104340496e3a531e26c8f428c808eca0e039f50San Mehat public StorageManager(Looper tgtLooper) throws RemoteException { 299b104340496e3a531e26c8f428c808eca0e039f50San Mehat mMountService = IMountService.Stub.asInterface(ServiceManager.getService("mount")); 300b104340496e3a531e26c8f428c808eca0e039f50San Mehat if (mMountService == null) { 301b104340496e3a531e26c8f428c808eca0e039f50San Mehat Log.e(TAG, "Unable to connect to mount service! - is it running yet?"); 302b104340496e3a531e26c8f428c808eca0e039f50San Mehat return; 303b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 304b104340496e3a531e26c8f428c808eca0e039f50San Mehat mTgtLooper = tgtLooper; 305b104340496e3a531e26c8f428c808eca0e039f50San Mehat mBinderListener = new MountServiceBinderListener(); 306b104340496e3a531e26c8f428c808eca0e039f50San Mehat mMountService.registerListener(mBinderListener); 307b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 308b104340496e3a531e26c8f428c808eca0e039f50San Mehat 309b104340496e3a531e26c8f428c808eca0e039f50San Mehat 310b104340496e3a531e26c8f428c808eca0e039f50San Mehat /** 311b104340496e3a531e26c8f428c808eca0e039f50San Mehat * Registers a {@link android.os.storage.StorageEventListener StorageEventListener}. 312b104340496e3a531e26c8f428c808eca0e039f50San Mehat * 313b104340496e3a531e26c8f428c808eca0e039f50San Mehat * @param listener A {@link android.os.storage.StorageEventListener StorageEventListener} object. 314b104340496e3a531e26c8f428c808eca0e039f50San Mehat * 315ec7c9ff0bb1c98cb8bec3ec7bdacbae3a434fa53Kenny Root * @hide 316b104340496e3a531e26c8f428c808eca0e039f50San Mehat */ 317b104340496e3a531e26c8f428c808eca0e039f50San Mehat public void registerListener(StorageEventListener listener) { 318b104340496e3a531e26c8f428c808eca0e039f50San Mehat if (listener == null) { 319b104340496e3a531e26c8f428c808eca0e039f50San Mehat return; 320b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 321b104340496e3a531e26c8f428c808eca0e039f50San Mehat 322b104340496e3a531e26c8f428c808eca0e039f50San Mehat synchronized (mListeners) { 323b104340496e3a531e26c8f428c808eca0e039f50San Mehat mListeners.add(new ListenerDelegate(listener)); 324b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 325b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 326b104340496e3a531e26c8f428c808eca0e039f50San Mehat 327b104340496e3a531e26c8f428c808eca0e039f50San Mehat /** 328b104340496e3a531e26c8f428c808eca0e039f50San Mehat * Unregisters a {@link android.os.storage.StorageEventListener StorageEventListener}. 329b104340496e3a531e26c8f428c808eca0e039f50San Mehat * 330b104340496e3a531e26c8f428c808eca0e039f50San Mehat * @param listener A {@link android.os.storage.StorageEventListener StorageEventListener} object. 331b104340496e3a531e26c8f428c808eca0e039f50San Mehat * 332ec7c9ff0bb1c98cb8bec3ec7bdacbae3a434fa53Kenny Root * @hide 333b104340496e3a531e26c8f428c808eca0e039f50San Mehat */ 334b104340496e3a531e26c8f428c808eca0e039f50San Mehat public void unregisterListener(StorageEventListener listener) { 335b104340496e3a531e26c8f428c808eca0e039f50San Mehat if (listener == null) { 336b104340496e3a531e26c8f428c808eca0e039f50San Mehat return; 337b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 338b104340496e3a531e26c8f428c808eca0e039f50San Mehat 339b104340496e3a531e26c8f428c808eca0e039f50San Mehat synchronized (mListeners) { 340b104340496e3a531e26c8f428c808eca0e039f50San Mehat final int size = mListeners.size(); 341b104340496e3a531e26c8f428c808eca0e039f50San Mehat for (int i=0 ; i<size ; i++) { 342b104340496e3a531e26c8f428c808eca0e039f50San Mehat ListenerDelegate l = mListeners.get(i); 343b104340496e3a531e26c8f428c808eca0e039f50San Mehat if (l.getListener() == listener) { 344b104340496e3a531e26c8f428c808eca0e039f50San Mehat mListeners.remove(i); 345b104340496e3a531e26c8f428c808eca0e039f50San Mehat break; 346b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 347b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 348b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 349b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 350b104340496e3a531e26c8f428c808eca0e039f50San Mehat 351b104340496e3a531e26c8f428c808eca0e039f50San Mehat /** 352b104340496e3a531e26c8f428c808eca0e039f50San Mehat * Enables USB Mass Storage (UMS) on the device. 353ec7c9ff0bb1c98cb8bec3ec7bdacbae3a434fa53Kenny Root * 354ec7c9ff0bb1c98cb8bec3ec7bdacbae3a434fa53Kenny Root * @hide 355b104340496e3a531e26c8f428c808eca0e039f50San Mehat */ 3560eec21d97d9dc4eb4fdbad0e4c0fc53703452d02Suchi Amalapurapu public void enableUsbMassStorage() { 357b104340496e3a531e26c8f428c808eca0e039f50San Mehat try { 3580eec21d97d9dc4eb4fdbad0e4c0fc53703452d02Suchi Amalapurapu mMountService.setUsbMassStorageEnabled(true); 359b104340496e3a531e26c8f428c808eca0e039f50San Mehat } catch (Exception ex) { 360b104340496e3a531e26c8f428c808eca0e039f50San Mehat Log.e(TAG, "Failed to enable UMS", ex); 361b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 362b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 363b104340496e3a531e26c8f428c808eca0e039f50San Mehat 364b104340496e3a531e26c8f428c808eca0e039f50San Mehat /** 365b104340496e3a531e26c8f428c808eca0e039f50San Mehat * Disables USB Mass Storage (UMS) on the device. 366ec7c9ff0bb1c98cb8bec3ec7bdacbae3a434fa53Kenny Root * 367ec7c9ff0bb1c98cb8bec3ec7bdacbae3a434fa53Kenny Root * @hide 368b104340496e3a531e26c8f428c808eca0e039f50San Mehat */ 3690eec21d97d9dc4eb4fdbad0e4c0fc53703452d02Suchi Amalapurapu public void disableUsbMassStorage() { 370b104340496e3a531e26c8f428c808eca0e039f50San Mehat try { 3710eec21d97d9dc4eb4fdbad0e4c0fc53703452d02Suchi Amalapurapu mMountService.setUsbMassStorageEnabled(false); 372b104340496e3a531e26c8f428c808eca0e039f50San Mehat } catch (Exception ex) { 373b104340496e3a531e26c8f428c808eca0e039f50San Mehat Log.e(TAG, "Failed to disable UMS", ex); 374b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 375b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 376b104340496e3a531e26c8f428c808eca0e039f50San Mehat 377b104340496e3a531e26c8f428c808eca0e039f50San Mehat /** 378b104340496e3a531e26c8f428c808eca0e039f50San Mehat * Query if a USB Mass Storage (UMS) host is connected. 379b104340496e3a531e26c8f428c808eca0e039f50San Mehat * @return true if UMS host is connected. 380ec7c9ff0bb1c98cb8bec3ec7bdacbae3a434fa53Kenny Root * 381ec7c9ff0bb1c98cb8bec3ec7bdacbae3a434fa53Kenny Root * @hide 382b104340496e3a531e26c8f428c808eca0e039f50San Mehat */ 383b104340496e3a531e26c8f428c808eca0e039f50San Mehat public boolean isUsbMassStorageConnected() { 384b104340496e3a531e26c8f428c808eca0e039f50San Mehat try { 385b104340496e3a531e26c8f428c808eca0e039f50San Mehat return mMountService.isUsbMassStorageConnected(); 386b104340496e3a531e26c8f428c808eca0e039f50San Mehat } catch (Exception ex) { 387b104340496e3a531e26c8f428c808eca0e039f50San Mehat Log.e(TAG, "Failed to get UMS connection state", ex); 388b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 389b104340496e3a531e26c8f428c808eca0e039f50San Mehat return false; 390b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 391b104340496e3a531e26c8f428c808eca0e039f50San Mehat 392b104340496e3a531e26c8f428c808eca0e039f50San Mehat /** 393b104340496e3a531e26c8f428c808eca0e039f50San Mehat * Query if a USB Mass Storage (UMS) is enabled on the device. 394b104340496e3a531e26c8f428c808eca0e039f50San Mehat * @return true if UMS host is enabled. 395ec7c9ff0bb1c98cb8bec3ec7bdacbae3a434fa53Kenny Root * 396ec7c9ff0bb1c98cb8bec3ec7bdacbae3a434fa53Kenny Root * @hide 397b104340496e3a531e26c8f428c808eca0e039f50San Mehat */ 398b104340496e3a531e26c8f428c808eca0e039f50San Mehat public boolean isUsbMassStorageEnabled() { 399b104340496e3a531e26c8f428c808eca0e039f50San Mehat try { 400b104340496e3a531e26c8f428c808eca0e039f50San Mehat return mMountService.isUsbMassStorageEnabled(); 401b104340496e3a531e26c8f428c808eca0e039f50San Mehat } catch (RemoteException rex) { 402b104340496e3a531e26c8f428c808eca0e039f50San Mehat Log.e(TAG, "Failed to get UMS enable state", rex); 403b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 404b104340496e3a531e26c8f428c808eca0e039f50San Mehat return false; 405b104340496e3a531e26c8f428c808eca0e039f50San Mehat } 40602c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root 40702c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root /** 408a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * Mount an Opaque Binary Blob (OBB) file. If a <code>key</code> is 409a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * specified, it is supplied to the mounting process to be used in any 410a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * encryption used in the OBB. 411a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * <p> 41205105f7abe02b2dff91d6260b3628c8b97816babKenny Root * The OBB will remain mounted for as long as the StorageManager reference 41305105f7abe02b2dff91d6260b3628c8b97816babKenny Root * is held by the application. As soon as this reference is lost, the OBBs 414af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root * in use will be unmounted. The {@link OnObbStateChangeListener} registered 415af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root * with this call will receive the success or failure of this operation. 41605105f7abe02b2dff91d6260b3628c8b97816babKenny Root * <p> 417a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * <em>Note:</em> you can only mount OBB files for which the OBB tag on the 418a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * file matches a package ID that is owned by the calling program's UID. 41905105f7abe02b2dff91d6260b3628c8b97816babKenny Root * That is, shared UID applications can attempt to mount any other 420a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * application's OBB that shares its UID. 421a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * 422a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * @param filename the path to the OBB file 42305105f7abe02b2dff91d6260b3628c8b97816babKenny Root * @param key secret used to encrypt the OBB; may be <code>null</code> if no 42405105f7abe02b2dff91d6260b3628c8b97816babKenny Root * encryption was used on the OBB. 425af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root * @param listener will receive the success or failure of the operation 426a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * @return whether the mount call was successfully queued or not 42702c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root */ 42805105f7abe02b2dff91d6260b3628c8b97816babKenny Root public boolean mountObb(String filename, String key, OnObbStateChangeListener listener) { 429af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root if (filename == null) { 430af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root throw new IllegalArgumentException("filename cannot be null"); 431af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root } 432af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root 433af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root if (listener == null) { 434af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root throw new IllegalArgumentException("listener cannot be null"); 435af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root } 436af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root 43702c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root try { 438af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root final int nonce = mObbActionListener.addListener(listener); 439af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root mMountService.mountObb(filename, key, mObbActionListener, nonce); 440a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root return true; 44102c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root } catch (RemoteException e) { 44202c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root Log.e(TAG, "Failed to mount OBB", e); 44302c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root } 44402c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root 44502c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root return false; 44602c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root } 44702c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root 44802c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root /** 44905105f7abe02b2dff91d6260b3628c8b97816babKenny Root * Unmount an Opaque Binary Blob (OBB) file asynchronously. If the 45005105f7abe02b2dff91d6260b3628c8b97816babKenny Root * <code>force</code> flag is true, it will kill any application needed to 45105105f7abe02b2dff91d6260b3628c8b97816babKenny Root * unmount the given OBB (even the calling application). 45205105f7abe02b2dff91d6260b3628c8b97816babKenny Root * <p> 453af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root * The {@link OnObbStateChangeListener} registered with this call will 454af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root * receive the success or failure of this operation. 455a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * <p> 456a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * <em>Note:</em> you can only mount OBB files for which the OBB tag on the 457a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * file matches a package ID that is owned by the calling program's UID. 458a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * That is, shared UID applications can obtain access to any other 459a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * application's OBB that shares its UID. 46002ca31fbae9f35dd30f79de6927fae11b549391aKenny Root * <p> 461a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * 462a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * @param filename path to the OBB file 463a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * @param force whether to kill any programs using this in order to unmount 464a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * it 465af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root * @param listener will receive the success or failure of the operation 466a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * @return whether the unmount call was successfully queued or not 46702c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root */ 46838cf8867a8d3e8d5159abd0bd0e6a3b0b8348b94Kenny Root public boolean unmountObb(String filename, boolean force, OnObbStateChangeListener listener) { 469af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root if (filename == null) { 470af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root throw new IllegalArgumentException("filename cannot be null"); 471af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root } 472af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root 473af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root if (listener == null) { 474af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root throw new IllegalArgumentException("listener cannot be null"); 475af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root } 476af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root 47702c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root try { 478af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root final int nonce = mObbActionListener.addListener(listener); 479af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root mMountService.unmountObb(filename, force, mObbActionListener, nonce); 480a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root return true; 48102c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root } catch (RemoteException e) { 48202c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root Log.e(TAG, "Failed to mount OBB", e); 48302c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root } 48402c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root 48502c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root return false; 48602c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root } 48702c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root 488a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root /** 489a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * Check whether an Opaque Binary Blob (OBB) is mounted or not. 490a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * 491a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * @param filename path to OBB image 492a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * @return true if OBB is mounted; false if not mounted or on error 493a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root */ 494af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root public boolean isObbMounted(String filename) { 495af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root if (filename == null) { 496af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root throw new IllegalArgumentException("filename cannot be null"); 497af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root } 498af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root 49902c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root try { 50002c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root return mMountService.isObbMounted(filename); 50102c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root } catch (RemoteException e) { 50202c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root Log.e(TAG, "Failed to check if OBB is mounted", e); 50302c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root } 50402c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root 50502c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root return false; 50602c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root } 50702c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root 50802c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root /** 509a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * Check the mounted path of an Opaque Binary Blob (OBB) file. This will 510a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * give you the path to where you can obtain access to the internals of the 511a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * OBB. 512a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * 513a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * @param filename path to OBB image 514a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * @return absolute path to mounted OBB image data or <code>null</code> if 515a02b8b05dd1e8b8cf169e1f89542ef835b11fc13Kenny Root * not mounted or exception encountered trying to read status 51602c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root */ 51702c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root public String getMountedObbPath(String filename) { 518af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root if (filename == null) { 519af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root throw new IllegalArgumentException("filename cannot be null"); 520af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root } 521af9d667ccf3e24058214cf4cc0a8aa8bc5100e3cKenny Root 52202c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root try { 52302c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root return mMountService.getMountedObbPath(filename); 52402c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root } catch (RemoteException e) { 52502c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root Log.e(TAG, "Failed to find mounted path for OBB", e); 52602c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root } 52702c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root 52802c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root return null; 52902c8730c1bf19daf48bec8c6995df676a00a73b1Kenny Root } 530b104340496e3a531e26c8f428c808eca0e039f50San Mehat} 531