--- /dev/null
+/*
+ * Copyright (C) 2015 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.settingslib.applications;
+
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.content.pm.PermissionGroupInfo;
+import android.content.pm.PermissionInfo;
+import android.graphics.drawable.Drawable;
+import android.os.AsyncTask;
+import android.os.Build;
+import android.os.UserHandle;
+import android.os.UserManager;
+import android.util.ArrayMap;
+import android.util.Log;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
+public class PermissionsInfo {
+
+ private static final String TAG = "PermissionsInfo";
+
+ private final PackageManager mPm;
+ private final ArrayList<PermissionGroup> mGroups = new ArrayList<>();
+ private final Map<String, PermissionGroup> mGroupLookup = new ArrayMap<>();
+ private final Callback mCallback;
+ private final Context mContext;
+ // Count of apps that request runtime permissions.
+ private int mRuntimePermAppsCt;
+ // Count of apps that are granted runtime permissions.
+ private int mRuntimePermAppsGrantedCt;
+
+ public PermissionsInfo(Context context, Callback callback) {
+ mContext = context;
+ mPm = context.getPackageManager();
+ mCallback = callback;
+ new PermissionsLoader().execute();
+ }
+
+ public List<PermissionGroup> getGroups() {
+ synchronized (mGroups) {
+ return new ArrayList<>(mGroups);
+ }
+ }
+
+ public int getRuntimePermAppsCount() {
+ return mRuntimePermAppsCt;
+ }
+
+ public int getRuntimePermAppsGrantedCount() {
+ return mRuntimePermAppsGrantedCt;
+ }
+
+ private PermissionGroup getOrCreateGroup(String permission) {
+ PermissionGroup group = mGroupLookup.get(permission);
+ if (group == null) {
+ // Some permissions don't have a group, in that case treat them like a group
+ // and create their own PermissionGroup (only if they are runtime).
+ try {
+ PermissionInfo info = mPm.getPermissionInfo(permission, 0);
+ if (info.protectionLevel == PermissionInfo.PROTECTION_DANGEROUS) {
+ group = new PermissionGroup();
+ // TODO: Add default permission icon.
+ group.icon = info.icon != 0 ? info.loadIcon(mPm) : mContext.getDrawable(
+ com.android.internal.R.drawable.ic_perm_device_info);
+ group.name = info.name;
+ group.packageName = info.packageName;
+ group.label = info.loadLabel(mPm).toString();
+ mGroups.add(group);
+ mGroupLookup.put(permission, group);
+ }
+ } catch (NameNotFoundException e) {
+ Log.w(TAG, "Unknown permission " + permission, e);
+ }
+ }
+ return group;
+ }
+
+ private class PermissionsLoader extends AsyncTask<Void, Void, Void> {
+
+ @Override
+ protected Void doInBackground(Void... params) {
+ List<PermissionGroupInfo> groups =
+ mPm.getAllPermissionGroups(PackageManager.GET_META_DATA);
+ // Get the groups.
+ for (PermissionGroupInfo groupInfo : groups) {
+ PermissionGroup group = new PermissionGroup();
+ // TODO: Add default permission icon.
+ group.icon = groupInfo.icon != 0 ? groupInfo.loadIcon(mPm) : mContext.getDrawable(
+ com.android.internal.R.drawable.ic_perm_device_info);
+ group.name = groupInfo.name;
+ group.packageName = groupInfo.packageName;
+ group.label = groupInfo.loadLabel(mPm).toString();
+ synchronized (mGroups) {
+ mGroups.add(group);
+ }
+ }
+ // Load permissions and which are runtime.
+ for (PermissionGroup group : mGroups) {
+ try {
+ List<PermissionInfo> permissions =
+ mPm.queryPermissionsByGroup(group.name, 0);
+ for (PermissionInfo info : permissions) {
+ if (info.protectionLevel != PermissionInfo.PROTECTION_DANGEROUS) continue;
+ mGroupLookup.put(info.name, group);
+ }
+ } catch (NameNotFoundException e) {
+ Log.w(TAG, "Problem getting permissions", e);
+ }
+ }
+ // Load granted info.
+ for (UserHandle user : UserManager.get(mContext).getUserProfiles()) {
+ List<PackageInfo> allApps = mPm.getInstalledPackages(
+ PackageManager.GET_PERMISSIONS, user.getIdentifier());
+ for (PackageInfo info : allApps) {
+ if (info.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1
+ || info.requestedPermissions == null) {
+ continue;
+ }
+ final int N = info.requestedPermissionsFlags.length;
+ boolean appHasRuntimePerms = false;
+ boolean appGrantedRuntimePerms = false;
+ for (int i = 0; i < N; i++) {
+ boolean granted = (info.requestedPermissionsFlags[i]
+ & PackageInfo.REQUESTED_PERMISSION_GRANTED) != 0;
+ PermissionGroup group = getOrCreateGroup(info.requestedPermissions[i]);
+ String key = Integer.toString(info.applicationInfo.uid);
+ if (group != null && !group.possibleApps.contains(key)) {
+ appHasRuntimePerms = true;
+ group.possibleApps.add(key);
+ if (granted) {
+ appGrantedRuntimePerms = true;
+ group.grantedApps.add(key);
+ }
+ }
+ }
+ if (appHasRuntimePerms) {
+ mRuntimePermAppsCt++;
+ if (appGrantedRuntimePerms) {
+ mRuntimePermAppsGrantedCt++;
+ }
+ }
+ }
+ }
+ Collections.sort(mGroups);
+
+ return null;
+ }
+
+ @Override
+ protected void onPostExecute(Void result) {
+ mCallback.onPermissionLoadComplete();
+ }
+ }
+
+ public static class PermissionGroup implements Comparable<PermissionGroup> {
+ public final List<String> possibleApps = new ArrayList<>();
+ public final List<String> grantedApps = new ArrayList<>();
+ public String name;
+ public String packageName;
+ public String label;
+ public Drawable icon;
+
+ @Override
+ public int compareTo(PermissionGroup another) {
+ return label.compareTo(another.label);
+ }
+ }
+
+ public interface Callback {
+ void onPermissionLoadComplete();
+ }
+
+}
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