| /* |
| * 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 com.android.server.devicepolicy; |
| |
| import android.annotation.UserIdInt; |
| import android.app.admin.DevicePolicyCache; |
| import android.app.admin.DevicePolicyManager; |
| import android.util.SparseBooleanArray; |
| import android.util.SparseIntArray; |
| |
| import com.android.internal.annotations.GuardedBy; |
| |
| import java.io.PrintWriter; |
| |
| /** |
| * Implementation of {@link DevicePolicyCache}, to which {@link DevicePolicyManagerService} pushes |
| * policies. |
| * |
| * TODO Move other copies of policies into this class too. |
| */ |
| public class DevicePolicyCacheImpl extends DevicePolicyCache { |
| /** |
| * Lock object. For simplicity we just always use this as the lock. We could use each object |
| * as a lock object to make it more fine-grained, but that'd make copy-paste error-prone. |
| */ |
| private final Object mLock = new Object(); |
| |
| @GuardedBy("mLock") |
| private final SparseBooleanArray mScreenCaptureDisabled = new SparseBooleanArray(); |
| |
| @GuardedBy("mLock") |
| private final SparseIntArray mPasswordQuality = new SparseIntArray(); |
| |
| public void onUserRemoved(int userHandle) { |
| synchronized (mLock) { |
| mScreenCaptureDisabled.delete(userHandle); |
| mPasswordQuality.delete(userHandle); |
| } |
| } |
| |
| @Override |
| public boolean getScreenCaptureDisabled(int userHandle) { |
| synchronized (mLock) { |
| return mScreenCaptureDisabled.get(userHandle); |
| } |
| } |
| |
| public void setScreenCaptureDisabled(int userHandle, boolean disabled) { |
| synchronized (mLock) { |
| mScreenCaptureDisabled.put(userHandle, disabled); |
| } |
| } |
| |
| @Override |
| public int getPasswordQuality(@UserIdInt int userHandle) { |
| synchronized (mLock) { |
| return mPasswordQuality.get(userHandle, |
| DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED); |
| } |
| } |
| |
| /** Updat the password quality cache for the given user */ |
| public void setPasswordQuality(int userHandle, int quality) { |
| synchronized (mLock) { |
| mPasswordQuality.put(userHandle, quality); |
| } |
| } |
| |
| /** Dump content */ |
| public void dump(String prefix, PrintWriter pw) { |
| pw.println("Device policy cache"); |
| pw.println(prefix + "Screen capture disabled: " + mScreenCaptureDisabled.toString()); |
| pw.println(prefix + "Password quality: " + mPasswordQuality.toString()); |
| } |
| } |