1 /* 2 * Copyright (C) 2008 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 public interface CrossProcessCursor extends Cursor{ 20 /** 21 * returns a pre-filled window, return NULL if no such window 22 */ 23 CursorWindow getWindow(); 24 25 /** 26 * copies cursor data into the window start at pos 27 */ 28 void fillWindow(int pos, CursorWindow winow); 29 30 /** 31 * This function is called every time the cursor is successfully scrolled 32 * to a new position, giving the subclass a chance to update any state it 33 * may have. If it returns false the move function will also do so and the 34 * cursor will scroll to the beforeFirst position. 35 * 36 * @param oldPosition the position that we're moving from 37 * @param newPosition the position that we're moving to 38 * @return true if the move is successful, false otherwise 39 */ 40 boolean onMove(int oldPosition, int newPosition); 41 42 } 43
