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.statusbar.ui
18 
19 import android.content.Context
20 import com.android.internal.policy.SystemBarUtils
21 import com.android.systemui.dagger.qualifiers.Application
22 import com.android.systemui.res.R
23 import dagger.Binds
24 import javax.inject.Inject
25 import kotlin.math.max
26 
27 /**
28  * Proxy interface to [SystemBarUtils], allowing injection of different logic for testing.
29  *
30  * Developers should almost always prefer [SystemBarUtilsState] instead.
31  */
32 interface SystemBarUtilsProxy {
getStatusBarHeightnull33     fun getStatusBarHeight(): Int
34     fun getStatusBarHeaderHeightKeyguard(): Int
35 }
36 
37 class SystemBarUtilsProxyImpl
38 @Inject
39 constructor(
40     @Application private val context: Context,
41 ) : SystemBarUtilsProxy {
42     override fun getStatusBarHeight(): Int = SystemBarUtils.getStatusBarHeight(context)
43     override fun getStatusBarHeaderHeightKeyguard(): Int {
44         val cutout = context.display.cutout
45         val waterfallInsetTop = if (cutout == null) 0 else cutout.waterfallInsets.top
46         val statusBarHeaderHeightKeyguard =
47             context.resources.getDimensionPixelSize(R.dimen.status_bar_header_height_keyguard)
48         return max(getStatusBarHeight(), statusBarHeaderHeightKeyguard + waterfallInsetTop)
49     }
50 
51     @dagger.Module
52     interface Module {
53         @Binds fun bindImpl(impl: SystemBarUtilsProxyImpl): SystemBarUtilsProxy
54     }
55 }
56