1 /* 2 * Copyright (C) 2016 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 android.view.accessibility.cts; 18 19 import static com.android.compatibility.common.util.TestUtils.waitOn; 20 21 import android.content.ContentResolver; 22 import android.content.Context; 23 import android.provider.Settings; 24 import android.view.accessibility.AccessibilityManager; 25 26 import java.util.function.BooleanSupplier; 27 28 /** 29 * Utility methods for enabling and disabling the services used in this package 30 */ 31 public class ServiceControlUtils { 32 33 public static String getEnabledServices(ContentResolver cr) { 34 return Settings.Secure.getString(cr, Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES); 35 } 36 37 /** 38 * Wait for a specified condition that will change with a services state change 39 * 40 * @param context A valid context 41 * @param condition The condition to check 42 * @param timeoutMs The timeout in millis 43 * @param conditionName The name to include in the assertion. If null, will be given a default. 44 */ 45 public static void waitForConditionWithServiceStateChange(Context context, 46 BooleanSupplier condition, long timeoutMs, String conditionName) { 47 AccessibilityManager manager = 48 (AccessibilityManager) context.getSystemService(Context.ACCESSIBILITY_SERVICE); 49 Object lock = new Object(); 50 AccessibilityManager.AccessibilityServicesStateChangeListener listener = (m) -> { 51 synchronized (lock) { 52 lock.notifyAll(); 53 } 54 }; 55 manager.addAccessibilityServicesStateChangeListener(listener, null); 56 try { 57 waitOn(lock, condition, timeoutMs, conditionName); 58 } finally { 59 manager.removeAccessibilityServicesStateChangeListener(listener); 60 } 61 } 62 } 63
