| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package android.app.admin; |
| |
| import android.annotation.UserIdInt; |
| |
| import com.android.server.LocalServices; |
| |
| /** |
| * Stores a copy of the set of device policies maintained by {@link DevicePolicyManager} that |
| * can be accessed from any place without risking dead locks. |
| * |
| * @hide |
| */ |
| public abstract class DevicePolicyCache { |
| protected DevicePolicyCache() { |
| } |
| |
| /** |
| * @return the instance. |
| */ |
| public static DevicePolicyCache getInstance() { |
| final DevicePolicyManagerInternal dpmi = |
| LocalServices.getService(DevicePolicyManagerInternal.class); |
| return (dpmi != null) ? dpmi.getDevicePolicyCache() : EmptyDevicePolicyCache.INSTANCE; |
| } |
| |
| /** |
| * See {@link DevicePolicyManager#getScreenCaptureDisabled} |
| */ |
| public abstract boolean getScreenCaptureDisabled(@UserIdInt int userHandle); |
| |
| /** |
| * Caches {@link DevicePolicyManager#getPasswordQuality(android.content.ComponentName)} of the |
| * given user with {@code null} passed in as argument. |
| */ |
| public abstract int getPasswordQuality(@UserIdInt int userHandle); |
| |
| /** |
| * Empty implementation. |
| */ |
| private static class EmptyDevicePolicyCache extends DevicePolicyCache { |
| private static final EmptyDevicePolicyCache INSTANCE = new EmptyDevicePolicyCache(); |
| |
| @Override |
| public boolean getScreenCaptureDisabled(int userHandle) { |
| return false; |
| } |
| |
| @Override |
| public int getPasswordQuality(int userHandle) { |
| return DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED; |
| } |
| } |
| } |