1 /* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.database; 18 19 import android.os.Bundle; 20 import android.os.IBinder; 21 import android.os.IInterface; 22 import android.os.RemoteException; 23 24 /** 25 * This interface provides a low-level way to pass bulk cursor data across 26 * both process and language boundaries. Application code should use the Cursor 27 * interface directly. 28 * 29 * {@hide} 30 */ 31 public interface IBulkCursor extends IInterface { 32 /** 33 * Gets a cursor window that contains the specified position. 34 * The window will contain a range of rows around the specified position. 35 */ getWindow(int position)36 public CursorWindow getWindow(int position) throws RemoteException; 37 38 /** 39 * Notifies the cursor that the position has changed. 40 * Only called when {@link #getWantsAllOnMoveCalls()} returns true. 41 * 42 * @param position The new position 43 */ onMove(int position)44 public void onMove(int position) throws RemoteException; 45 deactivate()46 public void deactivate() throws RemoteException; 47 close()48 public void close() throws RemoteException; 49 requery(IContentObserver observer)50 public int requery(IContentObserver observer) throws RemoteException; 51 getExtras()52 Bundle getExtras() throws RemoteException; 53 respond(Bundle extras)54 Bundle respond(Bundle extras) throws RemoteException; 55 56 /* IPC constants */ 57 static final String descriptor = "android.content.IBulkCursor"; 58 59 static final int GET_CURSOR_WINDOW_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION; 60 static final int DEACTIVATE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 1; 61 static final int REQUERY_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 2; 62 static final int ON_MOVE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 3; 63 static final int GET_EXTRAS_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 4; 64 static final int RESPOND_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 5; 65 static final int CLOSE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 6; 66 } 67