1 /*
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 
17 package com.android.systemui.keyguard.ui.binder
18 
19 import android.graphics.PointF
20 import android.view.MotionEvent
21 import android.view.View
22 import android.view.ViewConfiguration
23 import com.android.systemui.common.ui.view.rawDistanceFrom
24 import com.android.systemui.keyguard.ui.viewmodel.KeyguardSettingsMenuViewModel
25 
26 class KeyguardSettingsButtonOnTouchListener(
27     private val viewModel: KeyguardSettingsMenuViewModel,
28 ) : View.OnTouchListener {
29 
30     private val downPositionDisplayCoords = PointF()
31 
onTouchnull32     override fun onTouch(view: View, motionEvent: MotionEvent): Boolean {
33         when (motionEvent.actionMasked) {
34             MotionEvent.ACTION_DOWN -> {
35                 view.isPressed = true
36                 downPositionDisplayCoords.set(motionEvent.rawX, motionEvent.rawY)
37                 viewModel.onTouchGestureStarted()
38             }
39             MotionEvent.ACTION_UP -> {
40                 view.isPressed = false
41                 val distanceMoved =
42                     motionEvent.rawDistanceFrom(
43                         downPositionDisplayCoords.x,
44                         downPositionDisplayCoords.y
45                     )
46                 val isClick = distanceMoved < ViewConfiguration.getTouchSlop()
47                 viewModel.onTouchGestureEnded(isClick)
48                 if (isClick) {
49                     view.performClick()
50                 }
51             }
52             MotionEvent.ACTION_CANCEL -> {
53                 view.isPressed = false
54                 viewModel.onTouchGestureEnded(/* isClick= */ false)
55             }
56         }
57 
58         return true
59     }
60 }
61