Push DO/PO package names from DPMS to PM
Bug 29126573
Change-Id: I95ea1559f6acf5d2f0e1b0953568cdfc938e83b9
diff --git a/services/core/java/com/android/server/pm/ProtectedPackages.java b/services/core/java/com/android/server/pm/ProtectedPackages.java
new file mode 100644
index 0000000..7bdea18
--- /dev/null
+++ b/services/core/java/com/android/server/pm/ProtectedPackages.java
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2016 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.pm;
+
+import android.annotation.UserIdInt;
+import android.os.UserHandle;
+import android.util.SparseArray;
+
+/**
+ * Manages package names that need special protection.
+ *
+ * TODO: This class should persist the information by itself, and also keeps track of device admin
+ * packages for all users. Then PMS.isPackageDeviceAdmin() should use it instead of talking
+ * to DPMS.
+ */
+public class ProtectedPackages {
+ @UserIdInt
+ private int mDeviceOwnerUserId;
+
+ private String mDeviceOwnerPackage;
+
+ private SparseArray<String> mProfileOwnerPackages;
+
+ private final Object mLock = new Object();
+
+ /**
+ * Sets the device/profile owner information.
+ */
+ public void setDeviceAndProfileOwnerPackages(
+ int deviceOwnerUserId, String deviceOwnerPackage,
+ SparseArray<String> profileOwnerPackages) {
+ synchronized (mLock) {
+ mDeviceOwnerUserId = deviceOwnerUserId;
+ mDeviceOwnerPackage =
+ (deviceOwnerUserId == UserHandle.USER_NULL) ? null : deviceOwnerPackage;
+ mProfileOwnerPackages = (profileOwnerPackages == null) ? null
+ : profileOwnerPackages.clone();
+ }
+ }
+
+ private boolean hasDeviceOwnerOrProfileOwner(int userId, String packageName) {
+ if (packageName == null) {
+ return false;
+ }
+ synchronized (mLock) {
+ if (mDeviceOwnerPackage != null) {
+ if ((mDeviceOwnerUserId == userId)
+ && (packageName.equals(mDeviceOwnerPackage))) {
+ return true;
+ }
+ }
+ if (mProfileOwnerPackages != null) {
+ if (packageName.equals(mProfileOwnerPackages.get(userId))) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+
+ /**
+ * Whether a package or the components in a package's enabled state can be changed
+ * by other callers than itself.
+ */
+ public boolean canPackageStateBeChanged(@UserIdInt int userId, String packageName) {
+ return hasDeviceOwnerOrProfileOwner(userId, packageName);
+ }
+
+ /**
+ * Whether a package's data be cleared.
+ */
+ public boolean canPackageBeWiped(@UserIdInt int userId, String packageName) {
+ return hasDeviceOwnerOrProfileOwner(userId, packageName);
+ }
+}