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 
18 package com.android.systemui.keyguard.ui.transitions
19 
20 import kotlinx.coroutines.flow.Flow
21 
22 /**
23  * Each DeviceEntryIconTransition is responsible for updating the given parameters for the current
24  * keyguard transition.
25  * *
26  * MUST list implementing classes in dagger module [DeviceEntryIconTransitionModule].
27  */
28 interface DeviceEntryIconTransition {
29     val deviceEntryParentViewAlpha: Flow<Float>
30 }
31