Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.settingslib.location; |
| 18 | |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 19 | import android.app.AppOpsManager; |
| 20 | import android.content.Context; |
Lifu Tang | b131757 | 2019-05-07 14:40:04 -0700 | [diff] [blame] | 21 | import android.content.PermissionChecker; |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 22 | import android.content.pm.ApplicationInfo; |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 23 | import android.content.pm.PackageManager; |
Maggie | 704c423 | 2017-12-11 18:02:36 -0800 | [diff] [blame] | 24 | import android.content.pm.PackageManager.NameNotFoundException; |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 25 | import android.graphics.drawable.Drawable; |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 26 | import android.os.UserHandle; |
| 27 | import android.os.UserManager; |
Wei Wang | ec281b1 | 2018-05-01 11:21:31 -0700 | [diff] [blame] | 28 | import android.text.format.DateUtils; |
Sunny Goyal | bab3075 | 2017-04-12 15:36:42 -0700 | [diff] [blame] | 29 | import android.util.IconDrawableFactory; |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 30 | import android.util.Log; |
Fan Zhang | f7802ea | 2018-08-28 15:15:19 -0700 | [diff] [blame] | 31 | |
| 32 | import androidx.annotation.VisibleForTesting; |
| 33 | |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 34 | import java.util.ArrayList; |
Maggie | 704c423 | 2017-12-11 18:02:36 -0800 | [diff] [blame] | 35 | import java.util.Collections; |
| 36 | import java.util.Comparator; |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 37 | import java.util.List; |
| 38 | |
| 39 | /** |
| 40 | * Retrieves the information of applications which accessed location recently. |
| 41 | */ |
| 42 | public class RecentLocationApps { |
| 43 | private static final String TAG = RecentLocationApps.class.getSimpleName(); |
Maggie | 704c423 | 2017-12-11 18:02:36 -0800 | [diff] [blame] | 44 | @VisibleForTesting |
| 45 | static final String ANDROID_SYSTEM_PACKAGE_NAME = "android"; |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 46 | |
Wei Wang | ec281b1 | 2018-05-01 11:21:31 -0700 | [diff] [blame] | 47 | // Keep last 24 hours of location app information. |
| 48 | private static final long RECENT_TIME_INTERVAL_MILLIS = DateUtils.DAY_IN_MILLIS; |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 49 | |
Maggie | 704c423 | 2017-12-11 18:02:36 -0800 | [diff] [blame] | 50 | @VisibleForTesting |
Lifu Tang | b131757 | 2019-05-07 14:40:04 -0700 | [diff] [blame] | 51 | static final int[] LOCATION_REQUEST_OPS = new int[]{ |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 52 | AppOpsManager.OP_MONITOR_LOCATION, |
| 53 | AppOpsManager.OP_MONITOR_HIGH_POWER_LOCATION, |
| 54 | }; |
Lifu Tang | b131757 | 2019-05-07 14:40:04 -0700 | [diff] [blame] | 55 | @VisibleForTesting |
| 56 | static final int[] LOCATION_PERMISSION_OPS = new int[]{ |
| 57 | AppOpsManager.OP_FINE_LOCATION, |
| 58 | AppOpsManager.OP_COARSE_LOCATION, |
| 59 | }; |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 60 | |
| 61 | private final PackageManager mPackageManager; |
| 62 | private final Context mContext; |
Sunny Goyal | bab3075 | 2017-04-12 15:36:42 -0700 | [diff] [blame] | 63 | private final IconDrawableFactory mDrawableFactory; |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 64 | |
| 65 | public RecentLocationApps(Context context) { |
| 66 | mContext = context; |
| 67 | mPackageManager = context.getPackageManager(); |
Sunny Goyal | bab3075 | 2017-04-12 15:36:42 -0700 | [diff] [blame] | 68 | mDrawableFactory = IconDrawableFactory.newInstance(context); |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Fills a list of applications which queried location recently within specified time. |
Maggie | 704c423 | 2017-12-11 18:02:36 -0800 | [diff] [blame] | 73 | * Apps are sorted by recency. Apps with more recent location requests are in the front. |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 74 | */ |
Lifu Tang | b131757 | 2019-05-07 14:40:04 -0700 | [diff] [blame] | 75 | public List<Request> getAppList(boolean showSystemApps) { |
| 76 | // Retrieve a location usage list from AppOps |
| 77 | PackageManager pm = mContext.getPackageManager(); |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 78 | // Retrieve a location usage list from AppOps |
| 79 | AppOpsManager aoManager = |
| 80 | (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE); |
Lifu Tang | b131757 | 2019-05-07 14:40:04 -0700 | [diff] [blame] | 81 | List<AppOpsManager.PackageOps> appOps = aoManager.getPackagesForOps(LOCATION_REQUEST_OPS); |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 82 | |
Tony Mantler | d6cc7909 | 2016-02-09 14:12:43 -0800 | [diff] [blame] | 83 | final int appOpsCount = appOps != null ? appOps.size() : 0; |
| 84 | |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 85 | // Process the AppOps list and generate a preference list. |
Tony Mantler | d6cc7909 | 2016-02-09 14:12:43 -0800 | [diff] [blame] | 86 | ArrayList<Request> requests = new ArrayList<>(appOpsCount); |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 87 | final long now = System.currentTimeMillis(); |
| 88 | final UserManager um = (UserManager) mContext.getSystemService(Context.USER_SERVICE); |
| 89 | final List<UserHandle> profiles = um.getUserProfiles(); |
| 90 | |
Tony Mantler | d6cc7909 | 2016-02-09 14:12:43 -0800 | [diff] [blame] | 91 | for (int i = 0; i < appOpsCount; ++i) { |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 92 | AppOpsManager.PackageOps ops = appOps.get(i); |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 93 | String packageName = ops.getPackageName(); |
| 94 | int uid = ops.getUid(); |
Lifu Tang | b131757 | 2019-05-07 14:40:04 -0700 | [diff] [blame] | 95 | final UserHandle user = UserHandle.getUserHandleForUid(uid); |
| 96 | |
| 97 | // Don't show apps belonging to background users except managed users. |
| 98 | if (!profiles.contains(user)) { |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 99 | continue; |
| 100 | } |
Lifu Tang | b131757 | 2019-05-07 14:40:04 -0700 | [diff] [blame] | 101 | |
| 102 | // Don't show apps that do not have user sensitive location permissions |
| 103 | boolean showApp = true; |
| 104 | if (!showSystemApps) { |
| 105 | for (int op : LOCATION_PERMISSION_OPS) { |
| 106 | final String permission = AppOpsManager.opToPermission(op); |
| 107 | final int permissionFlags = pm.getPermissionFlags(permission, packageName, |
| 108 | user); |
| 109 | if (PermissionChecker.checkPermission(mContext, permission, -1, uid, |
| 110 | packageName) |
| 111 | == PermissionChecker.PERMISSION_GRANTED) { |
| 112 | if ((permissionFlags |
| 113 | & PackageManager.FLAG_PERMISSION_USER_SENSITIVE_WHEN_GRANTED) |
| 114 | == 0) { |
| 115 | showApp = false; |
| 116 | break; |
| 117 | } |
| 118 | } else { |
| 119 | if ((permissionFlags |
| 120 | & PackageManager.FLAG_PERMISSION_USER_SENSITIVE_WHEN_DENIED) == 0) { |
| 121 | showApp = false; |
| 122 | break; |
| 123 | } |
| 124 | } |
| 125 | } |
| 126 | } |
| 127 | if (showApp) { |
| 128 | Request request = getRequestFromOps(now, ops); |
| 129 | if (request != null) { |
| 130 | requests.add(request); |
| 131 | } |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 132 | } |
| 133 | } |
Maggie | 704c423 | 2017-12-11 18:02:36 -0800 | [diff] [blame] | 134 | return requests; |
| 135 | } |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 136 | |
Lifu Tang | b131757 | 2019-05-07 14:40:04 -0700 | [diff] [blame] | 137 | /** |
| 138 | * Gets a list of apps that requested for location recently, sorting by recency. |
| 139 | * |
| 140 | * @param showSystemApps whether includes system apps in the list. |
| 141 | * @return the list of apps that recently requested for location. |
| 142 | */ |
| 143 | public List<Request> getAppListSorted(boolean showSystemApps) { |
| 144 | List<Request> requests = getAppList(showSystemApps); |
Maggie | 704c423 | 2017-12-11 18:02:36 -0800 | [diff] [blame] | 145 | // Sort the list of Requests by recency. Most recent request first. |
| 146 | Collections.sort(requests, Collections.reverseOrder(new Comparator<Request>() { |
| 147 | @Override |
| 148 | public int compare(Request request1, Request request2) { |
| 149 | return Long.compare(request1.requestFinishTime, request2.requestFinishTime); |
| 150 | } |
| 151 | })); |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 152 | return requests; |
| 153 | } |
| 154 | |
| 155 | /** |
| 156 | * Creates a Request entry for the given PackageOps. |
| 157 | * |
| 158 | * This method examines the time interval of the PackageOps first. If the PackageOps is older |
| 159 | * than the designated interval, this method ignores the PackageOps object and returns null. |
| 160 | * When the PackageOps is fresh enough, this method returns a Request object for the package |
| 161 | */ |
| 162 | private Request getRequestFromOps(long now, |
| 163 | AppOpsManager.PackageOps ops) { |
| 164 | String packageName = ops.getPackageName(); |
| 165 | List<AppOpsManager.OpEntry> entries = ops.getOps(); |
| 166 | boolean highBattery = false; |
| 167 | boolean normalBattery = false; |
Maggie | 704c423 | 2017-12-11 18:02:36 -0800 | [diff] [blame] | 168 | long locationRequestFinishTime = 0L; |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 169 | // Earliest time for a location request to end and still be shown in list. |
| 170 | long recentLocationCutoffTime = now - RECENT_TIME_INTERVAL_MILLIS; |
| 171 | for (AppOpsManager.OpEntry entry : entries) { |
| 172 | if (entry.isRunning() || entry.getTime() >= recentLocationCutoffTime) { |
Maggie | 704c423 | 2017-12-11 18:02:36 -0800 | [diff] [blame] | 173 | locationRequestFinishTime = entry.getTime() + entry.getDuration(); |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 174 | switch (entry.getOp()) { |
| 175 | case AppOpsManager.OP_MONITOR_LOCATION: |
| 176 | normalBattery = true; |
| 177 | break; |
| 178 | case AppOpsManager.OP_MONITOR_HIGH_POWER_LOCATION: |
| 179 | highBattery = true; |
| 180 | break; |
| 181 | default: |
| 182 | break; |
| 183 | } |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | if (!highBattery && !normalBattery) { |
| 188 | if (Log.isLoggable(TAG, Log.VERBOSE)) { |
| 189 | Log.v(TAG, packageName + " hadn't used location within the time interval."); |
| 190 | } |
| 191 | return null; |
| 192 | } |
| 193 | |
| 194 | // The package is fresh enough, continue. |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 195 | int uid = ops.getUid(); |
| 196 | int userId = UserHandle.getUserId(uid); |
| 197 | |
| 198 | Request request = null; |
| 199 | try { |
Maggie | 704c423 | 2017-12-11 18:02:36 -0800 | [diff] [blame] | 200 | ApplicationInfo appInfo = mPackageManager.getApplicationInfoAsUser( |
| 201 | packageName, PackageManager.GET_META_DATA, userId); |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 202 | if (appInfo == null) { |
| 203 | Log.w(TAG, "Null application info retrieved for package " + packageName |
| 204 | + ", userId " + userId); |
| 205 | return null; |
| 206 | } |
| 207 | |
| 208 | final UserHandle userHandle = new UserHandle(userId); |
Sunny Goyal | bab3075 | 2017-04-12 15:36:42 -0700 | [diff] [blame] | 209 | Drawable icon = mDrawableFactory.getBadgedIcon(appInfo, userId); |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 210 | CharSequence appLabel = mPackageManager.getApplicationLabel(appInfo); |
| 211 | CharSequence badgedAppLabel = mPackageManager.getUserBadgedLabel(appLabel, userHandle); |
| 212 | if (appLabel.toString().contentEquals(badgedAppLabel)) { |
| 213 | // If badged label is not different from original then no need for it as |
| 214 | // a separate content description. |
| 215 | badgedAppLabel = null; |
| 216 | } |
| 217 | request = new Request(packageName, userHandle, icon, appLabel, highBattery, |
Maggie | 704c423 | 2017-12-11 18:02:36 -0800 | [diff] [blame] | 218 | badgedAppLabel, locationRequestFinishTime); |
| 219 | } catch (NameNotFoundException e) { |
| 220 | Log.w(TAG, "package name not found for " + packageName + ", userId " + userId); |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 221 | } |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 222 | return request; |
| 223 | } |
| 224 | |
| 225 | public static class Request { |
| 226 | public final String packageName; |
| 227 | public final UserHandle userHandle; |
| 228 | public final Drawable icon; |
| 229 | public final CharSequence label; |
| 230 | public final boolean isHighBattery; |
| 231 | public final CharSequence contentDescription; |
Maggie | 704c423 | 2017-12-11 18:02:36 -0800 | [diff] [blame] | 232 | public final long requestFinishTime; |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 233 | |
| 234 | private Request(String packageName, UserHandle userHandle, Drawable icon, |
Maggie | 704c423 | 2017-12-11 18:02:36 -0800 | [diff] [blame] | 235 | CharSequence label, boolean isHighBattery, CharSequence contentDescription, |
| 236 | long requestFinishTime) { |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 237 | this.packageName = packageName; |
| 238 | this.userHandle = userHandle; |
| 239 | this.icon = icon; |
| 240 | this.label = label; |
| 241 | this.isHighBattery = isHighBattery; |
| 242 | this.contentDescription = contentDescription; |
Maggie | 704c423 | 2017-12-11 18:02:36 -0800 | [diff] [blame] | 243 | this.requestFinishTime = requestFinishTime; |
Tony Mantler | 65eb4ad | 2015-11-04 15:52:25 -0800 | [diff] [blame] | 244 | } |
| 245 | } |
| 246 | } |