1 /*
2  * Copyright (C) 2021 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 package com.android.systemui.unfold.updates.screen
17 
18 import com.android.systemui.unfold.updates.screen.ScreenStatusProvider.ScreenListener
19 import com.android.systemui.unfold.util.CallbackController
20 
21 interface ScreenStatusProvider : CallbackController<ScreenListener> {
22 
23     interface ScreenListener {
24         /**
25          * Called when the screen is on and ready (windows are drawn and screen blocker is removed)
26          */
27         fun onScreenTurnedOn()
28 
29         /**
30          * Called when the screen is starting to be turned off.
31          */
32         fun onScreenTurningOff()
33 
34         /**
35          * Called when the screen is starting to be turned on.
36          */
37         fun onScreenTurningOn()
38 
39         /**
40          * Called when the screen is already turned on but it happened before the creation
41          * of the unfold progress provider, so we won't play the actual animation but we treat
42          * the current state of the screen as 'turned on'
43          */
44         fun markScreenAsTurnedOn()
45     }
46 }
47