blob: 40de003bd4150776d194719bac9c1cbabc5caa1b [file] [log] [blame]
Tracy Zhoud248ee72023-01-23 22:06:19 -08001/*
2 * Copyright (C) 2023 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
Tracy Zhoua33fb692023-03-20 10:57:02 -070017package com.android.launcher3;
Tracy Zhoud248ee72023-01-23 22:06:19 -080018
19import static android.view.MotionEvent.CLASSIFICATION_TWO_FINGER_SWIPE;
20
21import static com.android.launcher3.config.FeatureFlags.ENABLE_TRACKPAD_GESTURE;
22
23import android.annotation.TargetApi;
24import android.os.Build;
25import android.view.MotionEvent;
26
27/** Handles motion events from trackpad. */
28public class MotionEventsUtils {
29
30 /** {@link MotionEvent#CLASSIFICATION_MULTI_FINGER_SWIPE} is hidden. */
31 public static final int CLASSIFICATION_MULTI_FINGER_SWIPE = 4;
32
33 @TargetApi(Build.VERSION_CODES.UPSIDE_DOWN_CAKE)
34 public static boolean isTrackpadScroll(MotionEvent event) {
35 return ENABLE_TRACKPAD_GESTURE.get()
36 && event.getClassification() == CLASSIFICATION_TWO_FINGER_SWIPE;
37 }
38
39 @TargetApi(Build.VERSION_CODES.UPSIDE_DOWN_CAKE)
40 public static boolean isTrackpadMultiFingerSwipe(MotionEvent event) {
41 return ENABLE_TRACKPAD_GESTURE.get()
42 && event.getClassification() == CLASSIFICATION_MULTI_FINGER_SWIPE;
43 }
44
Tracy Zhou7dc9e3a2023-03-15 01:12:30 -070045 public static boolean isTrackpadThreeFingerSwipe(MotionEvent event) {
46 return isTrackpadMultiFingerSwipe(event) && event.getPointerCount() == 3;
47 }
48
49 public static boolean isTrackpadFourFingerSwipe(MotionEvent event) {
50 return isTrackpadMultiFingerSwipe(event) && event.getPointerCount() == 4;
51 }
52
Tracy Zhoud248ee72023-01-23 22:06:19 -080053 public static boolean isTrackpadMotionEvent(MotionEvent event) {
54 return isTrackpadScroll(event) || isTrackpadMultiFingerSwipe(event);
55 }
56}