1/*
2 * Copyright (C) 2016 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 com.android.dialer.app.list;
18
19/**
20 * Classes that want to receive callbacks in response to drag events should implement this
21 * interface.
22 */
23public interface OnDragDropListener {
24
25  /**
26   * Called when a drag is started.
27   *
28   * @param x X-coordinate of the drag event
29   * @param y Y-coordinate of the drag event
30   * @param view The contact tile which the drag was started on
31   */
32  void onDragStarted(int x, int y, PhoneFavoriteSquareTileView view);
33
34  /**
35   * Called when a drag is in progress and the user moves the dragged contact to a location.
36   *
37   * @param x X-coordinate of the drag event
38   * @param y Y-coordinate of the drag event
39   * @param view Contact tile in the ListView which is currently being displaced by the dragged
40   *     contact
41   */
42  void onDragHovered(int x, int y, PhoneFavoriteSquareTileView view);
43
44  /**
45   * Called when a drag is completed (whether by dropping it somewhere or simply by dragging the
46   * contact off the screen)
47   *
48   * @param x X-coordinate of the drag event
49   * @param y Y-coordinate of the drag event
50   */
51  void onDragFinished(int x, int y);
52
53  /**
54   * Called when a contact has been dropped on the remove view, indicating that the user wants to
55   * remove this contact.
56   */
57  void onDroppedOnRemove();
58}
59