1 /*
2  * Copyright (C) 2024 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.scene.ui.viewmodel
18 
19 import com.android.compose.animation.scene.Edge
20 import com.android.compose.animation.scene.Swipe
21 import com.android.compose.animation.scene.SwipeDirection
22 import com.android.compose.animation.scene.UserAction
23 import com.android.compose.animation.scene.UserActionResult
24 import com.android.systemui.dagger.SysUISingleton
25 import com.android.systemui.dagger.qualifiers.Application
26 import com.android.systemui.scene.shared.model.SceneFamilies
27 import com.android.systemui.scene.shared.model.TransitionKeys.ToSplitShade
28 import com.android.systemui.shade.domain.interactor.ShadeInteractor
29 import com.android.systemui.shade.shared.model.ShadeMode
30 import javax.inject.Inject
31 import kotlinx.coroutines.CoroutineScope
32 import kotlinx.coroutines.flow.SharingStarted
33 import kotlinx.coroutines.flow.StateFlow
34 import kotlinx.coroutines.flow.map
35 import kotlinx.coroutines.flow.stateIn
36 
37 @SysUISingleton
38 class GoneSceneViewModel
39 @Inject
40 constructor(
41     @Application private val applicationScope: CoroutineScope,
42     shadeInteractor: ShadeInteractor,
43 ) {
44     val destinationScenes: StateFlow<Map<UserAction, UserActionResult>> =
45         shadeInteractor.shadeMode
46             .map(::destinationScenes)
47             .stateIn(
48                 scope = applicationScope,
49                 started = SharingStarted.WhileSubscribed(),
50                 initialValue =
51                     destinationScenes(
52                         shadeMode = shadeInteractor.shadeMode.value,
53                     )
54             )
55 
destinationScenesnull56     private fun destinationScenes(
57         shadeMode: ShadeMode,
58     ): Map<UserAction, UserActionResult> {
59         return buildMap {
60             if (
61                 shadeMode is ShadeMode.Single ||
62                     // TODO(b/338577208): Remove this once we add Dual Shade invocation zones.
63                     shadeMode is ShadeMode.Dual
64             ) {
65                 put(
66                     Swipe(
67                         pointerCount = 2,
68                         fromSource = Edge.Top,
69                         direction = SwipeDirection.Down,
70                     ),
71                     UserActionResult(SceneFamilies.QuickSettings)
72                 )
73             }
74 
75             put(
76                 Swipe(direction = SwipeDirection.Down),
77                 UserActionResult(
78                     SceneFamilies.NotifShade,
79                     ToSplitShade.takeIf { shadeMode is ShadeMode.Split }
80                 )
81             )
82         }
83     }
84 }
85