1 /*
2  * Copyright (C) 2017 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 com.android.systemui.recents.events.ui.focus;
18 
19 import android.view.KeyEvent;
20 import com.android.systemui.recents.events.EventBus;
21 
22 /**
23  * Navigates the task view by arrow keys.
24  */
25 public class NavigateTaskViewEvent extends EventBus.Event {
26     public enum Direction {
27         UNDEFINED, UP, DOWN, LEFT, RIGHT;
28     }
29 
30     public Direction direction;
NavigateTaskViewEvent(Direction direction)31     public NavigateTaskViewEvent(Direction direction) {
32         this.direction = direction;
33     }
34 
getDirectionFromKeyCode(int keyCode)35     public static Direction getDirectionFromKeyCode(int keyCode) {
36         switch (keyCode) {
37             case KeyEvent.KEYCODE_DPAD_UP:
38                 return Direction.UP;
39             case KeyEvent.KEYCODE_DPAD_DOWN:
40                 return Direction.DOWN;
41             case KeyEvent.KEYCODE_DPAD_LEFT:
42                 return Direction.LEFT;
43             case KeyEvent.KEYCODE_DPAD_RIGHT:
44                 return Direction.RIGHT;
45             default:
46                 return Direction.UNDEFINED;
47         }
48     }
49 }
50