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.animation.view.LaunchableLinearLayout
24 import com.android.systemui.common.ui.view.rawDistanceFrom
25 import com.android.systemui.keyguard.ui.viewmodel.KeyguardSettingsMenuViewModel
26 
27 class KeyguardSettingsButtonOnTouchListener(
28     private val view: LaunchableLinearLayout,
29     private val viewModel: KeyguardSettingsMenuViewModel,
30 ) : View.OnTouchListener {
31 
32     private val downPositionDisplayCoords = PointF()
33 
34     override fun onTouch(view: View, motionEvent: MotionEvent): Boolean {
35         when (motionEvent.actionMasked) {
36             MotionEvent.ACTION_DOWN -> {
37                 view.isPressed = true
38                 downPositionDisplayCoords.set(motionEvent.rawX, motionEvent.rawY)
39                 viewModel.onTouchGestureStarted()
40             }
41             MotionEvent.ACTION_UP -> {
42                 view.isPressed = false
43                 val distanceMoved =
44                     motionEvent
45                         .rawDistanceFrom(downPositionDisplayCoords.x, downPositionDisplayCoords.y)
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