Merge "Change WebView fallback mechanism to consider all users' package states."

1 files changed, 94 insertions, 0 deletions

diff --git a/core/java/android/webkit/UserPackage.java b/core/java/android/webkit/UserPackage.java
new file mode 100644
index 000000000000..404bcf453aaf
--- /dev/null
+++ b/core/java/android/webkit/UserPackage.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2017 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.webkit;
+
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.content.pm.UserInfo;
+import android.os.UserManager;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Utility class for storing a (user,PackageInfo) mapping.
+ * @hide
+ */
+public class UserPackage {
+    private final UserInfo mUserInfo;
+    private final PackageInfo mPackageInfo;
+
+    public UserPackage(UserInfo user, PackageInfo packageInfo) {
+        this.mUserInfo = user;
+        this.mPackageInfo = packageInfo;
+    }
+
+    /**
+     * Returns a list of (User,PackageInfo) pairs corresponding to the PackageInfos for all
+     * device users for the package named {@param packageName}.
+     */
+    public static List<UserPackage> getPackageInfosAllUsers(Context context,
+            String packageName, int packageFlags) {
+        List<UserInfo> users = getAllUsers(context);
+        List<UserPackage> userPackages = new ArrayList<UserPackage>(users.size());
+        for (UserInfo user : users) {
+            PackageInfo packageInfo = null;
+            try {
+                packageInfo = context.getPackageManager().getPackageInfoAsUser(
+                        packageName, packageFlags, user.id);
+            } catch (NameNotFoundException e) {
+            }
+            userPackages.add(new UserPackage(user, packageInfo));
+        }
+        return userPackages;
+    }
+
+    /**
+     * Returns whether the given package is enabled.
+     * This state can be changed by the user from Settings->Apps
+     */
+    public boolean isEnabledPackage() {
+        if (mPackageInfo == null) return false;
+        return mPackageInfo.applicationInfo.enabled;
+    }
+
+    /**
+     * Return true if the package is installed and not hidden
+     */
+    public boolean isInstalledPackage() {
+        if (mPackageInfo == null) return false;
+        return (((mPackageInfo.applicationInfo.flags & ApplicationInfo.FLAG_INSTALLED) != 0)
+            && ((mPackageInfo.applicationInfo.privateFlags
+                        & ApplicationInfo.PRIVATE_FLAG_HIDDEN) == 0));
+    }
+
+    public UserInfo getUserInfo() {
+        return mUserInfo;
+    }
+
+    public PackageInfo getPackageInfo() {
+        return mPackageInfo;
+    }
+
+
+    private static List<UserInfo> getAllUsers(Context context) {
+        UserManager userManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
+        return userManager.getUsers(false);
+    }
+
+}