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.keyguard.domain.interactor
18 
19 import android.animation.ValueAnimator
20 import com.android.app.animation.Interpolators
21 import com.android.systemui.dagger.SysUISingleton
22 import com.android.systemui.dagger.qualifiers.Application
23 import com.android.systemui.keyguard.data.repository.KeyguardTransitionRepository
24 import com.android.systemui.keyguard.shared.model.KeyguardState
25 import com.android.systemui.keyguard.shared.model.WakefulnessState
26 import com.android.systemui.util.kotlin.Utils.Companion.toTriple
27 import com.android.systemui.util.kotlin.sample
28 import javax.inject.Inject
29 import kotlin.time.Duration.Companion.milliseconds
30 import kotlinx.coroutines.CoroutineScope
31 import kotlinx.coroutines.flow.combine
32 import kotlinx.coroutines.launch
33 
34 @SysUISingleton
35 class FromOccludedTransitionInteractor
36 @Inject
37 constructor(
38     override val transitionRepository: KeyguardTransitionRepository,
39     override val transitionInteractor: KeyguardTransitionInteractor,
40     @Application private val scope: CoroutineScope,
41     private val keyguardInteractor: KeyguardInteractor,
42 ) :
43     TransitionInteractor(
44         fromState = KeyguardState.OCCLUDED,
45     ) {
46 
47     override fun start() {
48         listenForOccludedToLockscreen()
49         listenForOccludedToDreaming()
50         listenForOccludedToAodOrDozing()
51         listenForOccludedToGone()
52         listenForOccludedToAlternateBouncer()
53     }
54 
55     private fun listenForOccludedToDreaming() {
56         scope.launch {
57             keyguardInteractor.isAbleToDream
58                 .sample(transitionInteractor.finishedKeyguardState, ::Pair)
59                 .collect { pair ->
60                     val (isAbleToDream, keyguardState) = pair
61                     if (isAbleToDream && keyguardState == KeyguardState.OCCLUDED) {
62                         startTransitionTo(KeyguardState.DREAMING)
63                     }
64                 }
65         }
66     }
67 
68     private fun listenForOccludedToLockscreen() {
69         scope.launch {
70             keyguardInteractor.isKeyguardOccluded
71                 .sample(
72                     combine(
73                         keyguardInteractor.isKeyguardShowing,
74                         transitionInteractor.startedKeyguardTransitionStep,
75                         ::Pair
76                     ),
77                     ::toTriple
78                 )
79                 .collect { (isOccluded, isShowing, lastStartedKeyguardState) ->
80                     // Occlusion signals come from the framework, and should interrupt any
81                     // existing transition
82                     if (
83                         !isOccluded &&
84                             isShowing &&
85                             lastStartedKeyguardState.to == KeyguardState.OCCLUDED
86                     ) {
87                         startTransitionTo(KeyguardState.LOCKSCREEN)
88                     }
89                 }
90         }
91     }
92 
93     private fun listenForOccludedToGone() {
94         scope.launch {
95             keyguardInteractor.isKeyguardOccluded
96                 .sample(
97                     combine(
98                         keyguardInteractor.isKeyguardShowing,
99                         transitionInteractor.startedKeyguardTransitionStep,
100                         ::Pair
101                     ),
102                     ::toTriple
103                 )
104                 .collect { (isOccluded, isShowing, lastStartedKeyguardState) ->
105                     // Occlusion signals come from the framework, and should interrupt any
106                     // existing transition
107                     if (
108                         !isOccluded &&
109                             !isShowing &&
110                             lastStartedKeyguardState.to == KeyguardState.OCCLUDED
111                     ) {
112                         startTransitionTo(KeyguardState.GONE)
113                     }
114                 }
115         }
116     }
117 
118     private fun listenForOccludedToAodOrDozing() {
119         scope.launch {
120             keyguardInteractor.wakefulnessModel
121                 .sample(
122                     combine(
123                         transitionInteractor.startedKeyguardTransitionStep,
124                         keyguardInteractor.isAodAvailable,
125                         ::Pair
126                     ),
127                     ::toTriple
128                 )
129                 .collect { (wakefulnessState, lastStartedStep, isAodAvailable) ->
130                     if (
131                         lastStartedStep.to == KeyguardState.OCCLUDED &&
132                             wakefulnessState.state == WakefulnessState.STARTING_TO_SLEEP
133                     ) {
134                         startTransitionTo(
135                             if (isAodAvailable) KeyguardState.AOD else KeyguardState.DOZING
136                         )
137                     }
138                 }
139         }
140     }
141 
142     private fun listenForOccludedToAlternateBouncer() {
143         scope.launch {
144             keyguardInteractor.alternateBouncerShowing
145                 .sample(transitionInteractor.startedKeyguardTransitionStep, ::Pair)
146                 .collect { (isAlternateBouncerShowing, lastStartedTransitionStep) ->
147                     if (
148                         isAlternateBouncerShowing &&
149                             lastStartedTransitionStep.to == KeyguardState.OCCLUDED
150                     ) {
151                         startTransitionTo(KeyguardState.ALTERNATE_BOUNCER)
152                     }
153                 }
154         }
155     }
156 
157     override fun getDefaultAnimatorForTransitionsToState(toState: KeyguardState): ValueAnimator {
158         return ValueAnimator().apply {
159             interpolator =
160                 when (toState) {
161                     KeyguardState.ALTERNATE_BOUNCER -> Interpolators.FAST_OUT_SLOW_IN
162                     else -> Interpolators.LINEAR
163                 }
164 
165             duration =
166                 when (toState) {
167                     KeyguardState.LOCKSCREEN -> TO_LOCKSCREEN_DURATION
168                     else -> DEFAULT_DURATION
169                 }.inWholeMilliseconds
170         }
171     }
172 
173     companion object {
174         private val DEFAULT_DURATION = 500.milliseconds
175         val TO_LOCKSCREEN_DURATION = 933.milliseconds
176     }
177 }
178