StorageManager: Add getVolumeList() and getVolumeState() methods (8fa5f804) · Commits · e / os / android_frameworks_base

core/java/android/os/storage/IMountService.java

+29 −0

Original line number	Diff line number	Diff line
		@@ -637,6 +637,22 @@ public interface IMountService extends IInterface {
		}
		return _result;
		}

		public String[] getVolumeList() throws RemoteException {
		Parcel _data = Parcel.obtain();
		Parcel _reply = Parcel.obtain();
		String[] _result;
		try {
		_data.writeInterfaceToken(DESCRIPTOR);
		mRemote.transact(Stub.TRANSACTION_getVolumeList, _data, _reply, 0);
		_reply.readException();
		_result = _reply.readStringArray();
		} finally {
		_reply.recycle();
		_data.recycle();
		}
		return _result;
		}
		}

		private static final String DESCRIPTOR = "IMountService";
		@@ -699,6 +715,8 @@ public interface IMountService extends IInterface {

		static final int TRANSACTION_changeEncryptionPassword = IBinder.FIRST_CALL_TRANSACTION + 28;

		static final int TRANSACTION_getVolumeList = IBinder.FIRST_CALL_TRANSACTION + 29;

		/**
		* Cast an IBinder object into an IMountService interface, generating a
		* proxy if needed.
		@@ -1004,6 +1022,13 @@ public interface IMountService extends IInterface {
		reply.writeInt(result);
		return true;
		}
		case TRANSACTION_getVolumeList: {
		data.enforceInterface(DESCRIPTOR);
		String[] result = getVolumeList();
		reply.writeNoException();
		reply.writeStringArray(result);
		return true;
		}
		}
		return super.onTransact(code, data, reply, flags);
		}
		@@ -1179,4 +1204,8 @@ public interface IMountService extends IInterface {
		*/
		public int changeEncryptionPassword(String password) throws RemoteException;

		/**
		* Returns list of all mountable volumes.
		*/
		public String[] getVolumeList() throws RemoteException;
		}

+26 −0

Original line number	Diff line number	Diff line
		@@ -527,4 +527,30 @@ public class StorageManager

		return null;
		}

		/**
		* Gets the state of a volume via its mountpoint.
		* @hide
		*/
		public String getVolumeState(String mountPoint) {
		try {
		return mMountService.getVolumeState(mountPoint);
		} catch (RemoteException e) {
		Log.e(TAG, "Failed to get volume state", e);
		return null;
		}
		}

		/**
		* Returns list of all mountable volumes.
		* @hide
		*/
		public String[] getVolumeList() {
		try {
		return mMountService.getVolumeList();
		} catch (RemoteException e) {
		Log.e(TAG, "Failed to get volume list", e);
		return null;
		}
		}
		}

+13 −0

Original line number	Diff line number	Diff line
		@@ -65,6 +65,7 @@ import java.util.LinkedList;
		import java.util.List;
		import java.util.Map;
		import java.util.Map.Entry;
		import java.util.Set;

		import javax.crypto.SecretKey;
		import javax.crypto.SecretKeyFactory;
		@@ -1732,6 +1733,18 @@ class MountService extends IMountService.Stub implements INativeDaemonConnectorC
		}
		}

		public String[] getVolumeList() {
		synchronized(mVolumeStates) {
		Set<String> volumes = mVolumeStates.keySet();
		String[] result = new String[volumes.size()];
		int i = 0;
		for (String volume : volumes) {
		result[i++] = volume;
		}
		return result;
		}
		}

		private void addObbStateLocked(ObbState obbState) throws RemoteException {
		final IBinder binder = obbState.getBinder();
		List<ObbState> obbStates = mObbMounts.get(binder);