1 /* <lambda>null2 * Copyright 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 17 package com.android.cts.display 18 19 import android.hardware.display.DisplayManager 20 import android.util.Log 21 import android.view.Display 22 23 fun validateOnlyDefaultDisplayOn(displayManager: DisplayManager, tag: String): Boolean { 24 val invalidStateDisplays = displayManager.displays.toList().filter { display -> 25 // default display is not ON 26 (display.displayId == Display.DEFAULT_DISPLAY && display.state != Display.STATE_ON) || 27 // other than default display is ON 28 (display.displayId != Display.DEFAULT_DISPLAY && 29 display.state == Display.STATE_ON) 30 }.map { display -> Pair(display.displayId, display.state) } 31 32 if (invalidStateDisplays.isNotEmpty()) { 33 Log.d(tag, "Displays are in invalid state: $invalidStateDisplays") 34 return false 35 } 36 return true 37 } 38