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 package com.android.wallpaper.util
17 
18 import android.content.Context
19 import android.hardware.display.DisplayManager
20 import android.util.Log
21 import android.view.Display
22 import dagger.hilt.android.qualifiers.ApplicationContext
23 import javax.inject.Inject
24 import javax.inject.Singleton
25 
26 @Singleton
27 class DisplaysProviderImpl
28 @Inject
29 constructor(@ApplicationContext private val appContext: Context) : DisplaysProvider {
<lambda>null30     private val displayManager: DisplayManager by lazy {
31         appContext.getSystemService(Context.DISPLAY_SERVICE) as DisplayManager
32     }
33 
getInternalDisplaysnull34     override fun getInternalDisplays(): List<Display> {
35         val allDisplays: Array<out Display> =
36             displayManager.getDisplays(DisplayManager.DISPLAY_CATEGORY_ALL_INCLUDING_DISABLED)
37         if (allDisplays.isEmpty()) {
38             Log.e(TAG, "No displays found on context $appContext")
39             throw RuntimeException("No displays found!")
40         }
41         return allDisplays.filter { it.type == Display.TYPE_INTERNAL }
42     }
43     companion object {
44         private const val TAG = "DisplaysProviderImpl"
45     }
46 }
47