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.data.repository
18 
19 import com.android.systemui.dagger.SysUISingleton
20 import javax.inject.Inject
21 import kotlinx.coroutines.flow.Flow
22 import kotlinx.coroutines.flow.MutableStateFlow
23 import kotlinx.coroutines.flow.asStateFlow
24 
25 /**
26  * State related to SysUI's handling of the surface behind the keyguard (typically an app or the
27  * launcher). We manipulate this surface during unlock animations.
28  */
29 interface KeyguardSurfaceBehindRepository {
30 
31     /** Whether we're running animations on the surface. */
32     val isAnimatingSurface: Flow<Boolean>
33 
34     /** Whether we have a RemoteAnimationTarget to run animations on the surface. */
35     val isSurfaceRemoteAnimationTargetAvailable: Flow<Boolean>
36 
37     /** Set whether we're running animations on the surface. */
setAnimatingSurfacenull38     fun setAnimatingSurface(animating: Boolean)
39 
40     /** Set whether we have a RemoteAnimationTarget with which to run animations on the surface. */
41     fun setSurfaceRemoteAnimationTargetAvailable(available: Boolean)
42 }
43 
44 @SysUISingleton
45 class KeyguardSurfaceBehindRepositoryImpl @Inject constructor() : KeyguardSurfaceBehindRepository {
46     private val _isAnimatingSurface = MutableStateFlow(false)
47     override val isAnimatingSurface = _isAnimatingSurface.asStateFlow()
48 
49     private val _isSurfaceRemoteAnimationTargetAvailable = MutableStateFlow(false)
50     override val isSurfaceRemoteAnimationTargetAvailable =
51         _isSurfaceRemoteAnimationTargetAvailable.asStateFlow()
52 
53     override fun setAnimatingSurface(animating: Boolean) {
54         _isAnimatingSurface.value = animating
55     }
56 
57     override fun setSurfaceRemoteAnimationTargetAvailable(available: Boolean) {
58         _isSurfaceRemoteAnimationTargetAvailable.value = available
59     }
60 }
61