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The Android Open Source Project31dd5032009-03-03 19:32:27 -08001/*
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
Joe Onoratoa5902522009-07-30 13:37:37 -070017package com.android.launcher2;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080018
19/**
20 * Handles scrolling while dragging
21 *
22 */
23public interface DragScroller {
24 void scrollLeft();
25 void scrollRight();
Patrick Dubroy1262e362010-10-06 15:49:50 -070026
27 /**
28 * The touch point has entered the scroll area; a scroll is imminent.
29 *
30 * @param direction The scroll direction
31 */
32 void onEnterScrollArea(int direction);
33
34 /**
35 * The touch point has left the scroll area.
36 */
37 void onExitScrollArea();
The Android Open Source Project31dd5032009-03-03 19:32:27 -080038}