| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| package com.android.providers.contacts; |
| |
| import android.database.AbstractWindowedCursor; |
| import android.database.Cursor; |
| import android.database.CursorWindow; |
| import android.database.DatabaseUtils; |
| |
| /** |
| * Implementation of an in-memory cursor backed by a cursor window. |
| */ |
| public class MemoryCursor extends AbstractWindowedCursor { |
| |
| private final String[] mColumnNames; |
| |
| public MemoryCursor(String name, String[] columnNames) { |
| setWindow(new CursorWindow(name)); |
| mColumnNames = columnNames; |
| } |
| |
| public void fillFromCursor(Cursor cursor) { |
| DatabaseUtils.cursorFillWindow(cursor, 0, getWindow()); |
| } |
| |
| @Override |
| public int getCount() { |
| return getWindow().getNumRows(); |
| } |
| |
| @Override |
| public String[] getColumnNames() { |
| return mColumnNames; |
| } |
| } |