1 /* 2 * Copyright (C) 2022 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.user 18 19 import android.content.Context 20 import android.util.AttributeSet 21 import android.view.MotionEvent 22 import androidx.constraintlayout.widget.ConstraintLayout 23 import com.android.systemui.Gefingerpoken 24 25 /** A simple subclass that allows for observing touch events as they happen. */ 26 class UserSwitcherRootView( 27 context: Context, 28 attrs: AttributeSet? 29 ) : ConstraintLayout(context, attrs) { 30 31 /** Assign this field to observer touch events. */ 32 var touchHandler: Gefingerpoken? = null 33 dispatchTouchEventnull34 override fun dispatchTouchEvent(ev: MotionEvent): Boolean { 35 touchHandler?.onTouchEvent(ev) 36 return super.dispatchTouchEvent(ev) 37 } 38 } 39