1 files changed, 241 insertions, 0 deletions
diff --git a/unbundle/java/com/android/tv/settings/unbundle/sdklib/RecentLocationAppsCompat.java b/unbundle/java/com/android/tv/settings/unbundle/sdklib/RecentLocationAppsCompat.java
new file mode 100644
index 000000000..9e1d66289
--- /dev/null
+++ b/unbundle/java/com/android/tv/settings/unbundle/sdklib/RecentLocationAppsCompat.java
@@ -0,0 +1,241 @@
+/*
+ * Copyright (C) 2022 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.tv.settings.unbundle.sdklib;
+
+import android.app.AppOpsManager;
+import android.content.Context;
+import android.content.PermissionChecker;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.graphics.drawable.Drawable;
+import android.os.UserHandle;
+import android.os.UserManager;
+import android.text.format.DateUtils;
+import android.util.IconDrawableFactory;
+import android.util.Log;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+public class RecentLocationAppsCompat {
+    private static final String TAG = RecentLocationAppsCompat.class.getSimpleName();
+    static final String ANDROID_SYSTEM_PACKAGE_NAME = "android";
+
+    // Keep last 24 hours of location app information.
+    private static final long RECENT_TIME_INTERVAL_MILLIS = DateUtils.DAY_IN_MILLIS;
+
+    static final int[] LOCATION_REQUEST_OPS = new int[]{
+            AppOpsManager.OP_MONITOR_LOCATION,
+            AppOpsManager.OP_MONITOR_HIGH_POWER_LOCATION,
+    };
+    static final int[] LOCATION_PERMISSION_OPS = new int[]{
+            AppOpsManager.OP_FINE_LOCATION,
+            AppOpsManager.OP_COARSE_LOCATION,
+    };
+
+    private final PackageManager mPackageManager;
+    private final Context mContext;
+    private final IconDrawableFactory mDrawableFactory;
+
+    public RecentLocationAppsCompat(Context context) {
+        mContext = context;
+        mPackageManager = context.getPackageManager();
+        mDrawableFactory = IconDrawableFactory.newInstance(context);
+    }
+
+    /**
+     * Fills a list of applications which queried location recently within specified time.
+     * Apps are sorted by recency. Apps with more recent location requests are in the front.
+     */
+    public List<Request> getAppList(boolean showSystemApps) {
+        // Retrieve a location usage list from AppOps
+        PackageManager pm = mContext.getPackageManager();
+        // Retrieve a location usage list from AppOps
+        AppOpsManager aoManager =
+                (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
+        List<AppOpsManager.PackageOps> appOps = aoManager.getPackagesForOps(LOCATION_REQUEST_OPS);
+
+        final int appOpsCount = appOps != null ? appOps.size() : 0;
+
+        // Process the AppOps list and generate a preference list.
+        ArrayList<Request> requests = new ArrayList<>(appOpsCount);
+        final long now = System.currentTimeMillis();
+        final UserManager um = (UserManager) mContext.getSystemService(Context.USER_SERVICE);
+        final List<UserHandle> profiles = um.getUserProfiles();
+
+        for (int i = 0; i < appOpsCount; ++i) {
+            AppOpsManager.PackageOps ops = appOps.get(i);
+            // Don't show the Android System in the list - it's not actionable for the user.
+            // Also don't show apps belonging to background users except managed users.
+            String packageName = ops.getPackageName();
+            int uid = ops.getUid();
+            final UserHandle user = UserHandle.getUserHandleForUid(uid);
+
+            boolean isAndroidOs =
+                    (uid == android.os.Process.SYSTEM_UID) && ANDROID_SYSTEM_PACKAGE_NAME.equals(
+                            packageName);
+            if (isAndroidOs || !profiles.contains(user)) {
+                continue;
+            }
+
+            // Don't show apps that do not have user sensitive location permissions
+            boolean showApp = true;
+            if (!showSystemApps) {
+                for (int op : LOCATION_PERMISSION_OPS) {
+                    final String permission = AppOpsManager.opToPermission(op);
+                    final int permissionFlags = pm.getPermissionFlags(permission, packageName,
+                            user);
+                    if (PermissionChecker.checkPermissionForPreflight(mContext, permission,
+                            PermissionChecker.PID_UNKNOWN, uid, packageName)
+                            == PermissionChecker.PERMISSION_GRANTED) {
+                        if ((permissionFlags
+                                & PackageManager.FLAG_PERMISSION_USER_SENSITIVE_WHEN_GRANTED)
+                                == 0) {
+                            showApp = false;
+                            break;
+                        }
+                    } else {
+                        if ((permissionFlags
+                                & PackageManager.FLAG_PERMISSION_USER_SENSITIVE_WHEN_DENIED) == 0) {
+                            showApp = false;
+                            break;
+                        }
+                    }
+                }
+            }
+            if (showApp) {
+                Request request = getRequestFromOps(now, ops);
+                if (request != null) {
+                    requests.add(request);
+                }
+            }
+        }
+        return requests;
+    }
+
+    /**
+     * Gets a list of apps that requested for location recently, sorting by recency.
+     *
+     * @param showSystemApps whether includes system apps in the list.
+     * @return the list of apps that recently requested for location.
+     */
+    public List<Request> getAppListSorted(boolean showSystemApps) {
+        List<Request> requests = getAppList(showSystemApps);
+        // Sort the list of Requests by recency. Most recent request first.
+        Collections.sort(requests, Collections.reverseOrder(new Comparator<Request>() {
+            @Override
+            public int compare(Request request1, Request request2) {
+                return Long.compare(request1.requestFinishTime, request2.requestFinishTime);
+            }
+        }));
+        return requests;
+    }
+
+    /**
+     * Creates a Request entry for the given PackageOps.
+     *
+     * This method examines the time interval of the PackageOps first. If the PackageOps is older
+     * than the designated interval, this method ignores the PackageOps object and returns null.
+     * When the PackageOps is fresh enough, this method returns a Request object for the package
+     */
+    private Request getRequestFromOps(long now,
+            AppOpsManager.PackageOps ops) {
+        String packageName = ops.getPackageName();
+        List<AppOpsManager.OpEntry> entries = ops.getOps();
+        boolean highBattery = false;
+        boolean normalBattery = false;
+        long locationRequestFinishTime = 0L;
+        // Earliest time for a location request to end and still be shown in list.
+        long recentLocationCutoffTime = now - RECENT_TIME_INTERVAL_MILLIS;
+        for (AppOpsManager.OpEntry entry : entries) {
+            if (entry.isRunning() || entry.getTime() >= recentLocationCutoffTime) {
+                locationRequestFinishTime = entry.getTime() + entry.getDuration();
+                switch (entry.getOp()) {
+                    case AppOpsManager.OP_MONITOR_LOCATION:
+                        normalBattery = true;
+                        break;
+                    case AppOpsManager.OP_MONITOR_HIGH_POWER_LOCATION:
+                        highBattery = true;
+                        break;
+                    default:
+                        break;
+                }
+            }
+        }
+
+        if (!highBattery && !normalBattery) {
+            if (Log.isLoggable(TAG, Log.VERBOSE)) {
+                Log.v(TAG, packageName + " hadn't used location within the time interval.");
+            }
+            return null;
+        }
+
+        // The package is fresh enough, continue.
+        int uid = ops.getUid();
+        int userId = UserHandle.getUserId(uid);
+
+        Request request = null;
+        try {
+            ApplicationInfo appInfo = mPackageManager.getApplicationInfoAsUser(
+                    packageName, PackageManager.GET_META_DATA, userId);
+            if (appInfo == null) {
+                Log.w(TAG, "Null application info retrieved for package " + packageName
+                        + ", userId " + userId);
+                return null;
+            }
+
+            final UserHandle userHandle = new UserHandle(userId);
+            Drawable icon = mDrawableFactory.getBadgedIcon(appInfo, userId);
+            CharSequence appLabel = mPackageManager.getApplicationLabel(appInfo);
+            CharSequence badgedAppLabel = mPackageManager.getUserBadgedLabel(appLabel, userHandle);
+            if (appLabel.toString().contentEquals(badgedAppLabel)) {
+                // If badged label is not different from original then no need for it as
+                // a separate content description.
+                badgedAppLabel = null;
+            }
+            request = new Request(packageName, userHandle, icon, appLabel, highBattery,
+                    badgedAppLabel, locationRequestFinishTime);
+        } catch (PackageManager.NameNotFoundException e) {
+            Log.w(TAG, "package name not found for " + packageName + ", userId " + userId);
+        }
+        return request;
+    }
+
+    public static class Request {
+        public final String packageName;
+        public final UserHandle userHandle;
+        public final Drawable icon;
+        public final CharSequence label;
+        public final boolean isHighBattery;
+        public final CharSequence contentDescription;
+        public final long requestFinishTime;
+
+        public Request(String packageName, UserHandle userHandle, Drawable icon,
+                CharSequence label, boolean isHighBattery, CharSequence contentDescription,
+                long requestFinishTime) {
+            this.packageName = packageName;
+            this.userHandle = userHandle;
+            this.icon = icon;
+            this.label = label;
+            this.isHighBattery = isHighBattery;
+            this.contentDescription = contentDescription;
+            this.requestFinishTime = requestFinishTime;
+        }
+    }
+}