62 lines
2.3 KiB
Java
62 lines
2.3 KiB
Java
/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3;
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import static android.view.MotionEvent.CLASSIFICATION_TWO_FINGER_SWIPE;
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import static com.android.launcher3.config.FeatureFlags.ENABLE_TRACKPAD_GESTURE;
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import android.annotation.TargetApi;
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import android.os.Build;
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import android.view.MotionEvent;
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/** Handles motion events from trackpad. */
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public class MotionEventsUtils {
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/** {@link MotionEvent#CLASSIFICATION_MULTI_FINGER_SWIPE} is hidden. */
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public static final int CLASSIFICATION_MULTI_FINGER_SWIPE = 4;
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/** {@link MotionEvent#AXIS_GESTURE_SWIPE_FINGER_COUNT} is hidden. */
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private static final int AXIS_GESTURE_SWIPE_FINGER_COUNT = 53;
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@TargetApi(Build.VERSION_CODES.UPSIDE_DOWN_CAKE)
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public static boolean isTrackpadScroll(MotionEvent event) {
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return ENABLE_TRACKPAD_GESTURE.get()
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&& event.getClassification() == CLASSIFICATION_TWO_FINGER_SWIPE;
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}
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@TargetApi(Build.VERSION_CODES.UPSIDE_DOWN_CAKE)
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public static boolean isTrackpadMultiFingerSwipe(MotionEvent event) {
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return ENABLE_TRACKPAD_GESTURE.get()
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&& event.getClassification() == CLASSIFICATION_MULTI_FINGER_SWIPE;
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}
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public static boolean isTrackpadThreeFingerSwipe(MotionEvent event) {
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return isTrackpadMultiFingerSwipe(event) && event.getAxisValue(
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AXIS_GESTURE_SWIPE_FINGER_COUNT) == 3;
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}
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public static boolean isTrackpadFourFingerSwipe(MotionEvent event) {
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return isTrackpadMultiFingerSwipe(event) && event.getAxisValue(
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AXIS_GESTURE_SWIPE_FINGER_COUNT) == 4;
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}
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public static boolean isTrackpadMotionEvent(MotionEvent event) {
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return isTrackpadScroll(event) || isTrackpadMultiFingerSwipe(event);
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}
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}
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