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
17package android.database;
18
19import android.os.Bundle;
20import android.os.IBinder;
21import android.os.IInterface;
22import 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 */
31public 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     */
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     */
44    public void onMove(int position) throws RemoteException;
45
46    public void deactivate() throws RemoteException;
47
48    public void close() throws RemoteException;
49
50    public int requery(IContentObserver observer) throws RemoteException;
51
52    Bundle getExtras() throws RemoteException;
53
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