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