Tony Mantler | e662ca6 | 2016-01-11 11:42:12 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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.users; |
| 18 | |
| 19 | import android.app.AppGlobals; |
| 20 | import android.appwidget.AppWidgetManager; |
| 21 | import android.content.Context; |
| 22 | import android.content.Intent; |
| 23 | import android.content.pm.ApplicationInfo; |
| 24 | import android.content.pm.IPackageManager; |
| 25 | import android.content.pm.PackageInfo; |
| 26 | import android.content.pm.PackageManager; |
| 27 | import android.content.pm.ParceledListSlice; |
| 28 | import android.content.pm.ResolveInfo; |
| 29 | import android.content.res.Resources; |
| 30 | import android.graphics.drawable.Drawable; |
| 31 | import android.os.RemoteException; |
Tony Mantler | e662ca6 | 2016-01-11 11:42:12 -0800 | [diff] [blame] | 32 | import android.os.UserHandle; |
| 33 | import android.os.UserManager; |
| 34 | import android.text.TextUtils; |
| 35 | import android.util.Log; |
| 36 | import android.view.inputmethod.InputMethodInfo; |
| 37 | import android.view.inputmethod.InputMethodManager; |
| 38 | |
| 39 | import java.util.ArrayList; |
| 40 | import java.util.Collections; |
| 41 | import java.util.Comparator; |
| 42 | import java.util.HashMap; |
| 43 | import java.util.HashSet; |
| 44 | import java.util.List; |
| 45 | import java.util.Map; |
| 46 | import java.util.Set; |
| 47 | |
| 48 | public class AppRestrictionsHelper { |
| 49 | private static final boolean DEBUG = false; |
| 50 | private static final String TAG = "AppRestrictionsHelper"; |
| 51 | |
| 52 | private final Context mContext; |
| 53 | private final PackageManager mPackageManager; |
| 54 | private final IPackageManager mIPm; |
| 55 | private final UserManager mUserManager; |
| 56 | private final UserHandle mUser; |
| 57 | private final boolean mRestrictedProfile; |
Tony Mantler | a1ae289 | 2016-01-13 11:07:44 -0800 | [diff] [blame] | 58 | private boolean mLeanback; |
Tony Mantler | e662ca6 | 2016-01-11 11:42:12 -0800 | [diff] [blame] | 59 | |
| 60 | HashMap<String,Boolean> mSelectedPackages = new HashMap<>(); |
| 61 | private List<SelectableAppInfo> mVisibleApps; |
| 62 | |
| 63 | public AppRestrictionsHelper(Context context, UserHandle user) { |
| 64 | mContext = context; |
| 65 | mPackageManager = context.getPackageManager(); |
| 66 | mIPm = AppGlobals.getPackageManager(); |
| 67 | mUser = user; |
| 68 | mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE); |
| 69 | mRestrictedProfile = mUserManager.getUserInfo(mUser.getIdentifier()).isRestricted(); |
| 70 | } |
| 71 | |
| 72 | public void setPackageSelected(String packageName, boolean selected) { |
| 73 | mSelectedPackages.put(packageName, selected); |
| 74 | } |
| 75 | |
| 76 | public boolean isPackageSelected(String packageName) { |
| 77 | return mSelectedPackages.get(packageName); |
| 78 | } |
| 79 | |
Tony Mantler | a1ae289 | 2016-01-13 11:07:44 -0800 | [diff] [blame] | 80 | public void setLeanback(boolean isLeanback) { |
| 81 | mLeanback = isLeanback; |
| 82 | } |
| 83 | |
Tony Mantler | e662ca6 | 2016-01-11 11:42:12 -0800 | [diff] [blame] | 84 | public List<SelectableAppInfo> getVisibleApps() { |
| 85 | return mVisibleApps; |
| 86 | } |
| 87 | |
| 88 | public void applyUserAppsStates(OnDisableUiForPackageListener listener) { |
| 89 | final int userId = mUser.getIdentifier(); |
| 90 | if (!mUserManager.getUserInfo(userId).isRestricted() && userId != UserHandle.myUserId()) { |
| 91 | Log.e(TAG, "Cannot apply application restrictions on another user!"); |
| 92 | return; |
| 93 | } |
| 94 | for (Map.Entry<String,Boolean> entry : mSelectedPackages.entrySet()) { |
| 95 | String packageName = entry.getKey(); |
| 96 | boolean enabled = entry.getValue(); |
| 97 | applyUserAppState(packageName, enabled, listener); |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | public void applyUserAppState(String packageName, boolean enabled, |
| 102 | OnDisableUiForPackageListener listener) { |
| 103 | final int userId = mUser.getIdentifier(); |
| 104 | if (enabled) { |
| 105 | // Enable selected apps |
| 106 | try { |
| 107 | ApplicationInfo info = mIPm.getApplicationInfo(packageName, |
| 108 | PackageManager.MATCH_UNINSTALLED_PACKAGES, userId); |
| 109 | if (info == null || !info.enabled |
| 110 | || (info.flags&ApplicationInfo.FLAG_INSTALLED) == 0) { |
| 111 | mIPm.installExistingPackageAsUser(packageName, mUser.getIdentifier()); |
| 112 | if (DEBUG) { |
| 113 | Log.d(TAG, "Installing " + packageName); |
| 114 | } |
| 115 | } |
| 116 | if (info != null && (info.privateFlags&ApplicationInfo.PRIVATE_FLAG_HIDDEN) != 0 |
| 117 | && (info.flags&ApplicationInfo.FLAG_INSTALLED) != 0) { |
| 118 | listener.onDisableUiForPackage(packageName); |
| 119 | mIPm.setApplicationHiddenSettingAsUser(packageName, false, userId); |
| 120 | if (DEBUG) { |
| 121 | Log.d(TAG, "Unhiding " + packageName); |
| 122 | } |
| 123 | } |
| 124 | } catch (RemoteException re) { |
| 125 | // Ignore |
| 126 | } |
| 127 | } else { |
| 128 | // Blacklist all other apps, system or downloaded |
| 129 | try { |
| 130 | ApplicationInfo info = mIPm.getApplicationInfo(packageName, 0, userId); |
| 131 | if (info != null) { |
| 132 | if (mRestrictedProfile) { |
| 133 | mIPm.deletePackageAsUser(packageName, null, mUser.getIdentifier(), |
| 134 | PackageManager.DELETE_SYSTEM_APP); |
| 135 | if (DEBUG) { |
| 136 | Log.d(TAG, "Uninstalling " + packageName); |
| 137 | } |
| 138 | } else { |
| 139 | listener.onDisableUiForPackage(packageName); |
| 140 | mIPm.setApplicationHiddenSettingAsUser(packageName, true, userId); |
| 141 | if (DEBUG) { |
| 142 | Log.d(TAG, "Hiding " + packageName); |
| 143 | } |
| 144 | } |
| 145 | } |
| 146 | } catch (RemoteException re) { |
| 147 | // Ignore |
| 148 | } |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | public void fetchAndMergeApps() { |
| 153 | mVisibleApps = new ArrayList<>(); |
| 154 | final PackageManager pm = mPackageManager; |
| 155 | final IPackageManager ipm = mIPm; |
| 156 | |
| 157 | final HashSet<String> excludePackages = new HashSet<>(); |
| 158 | addSystemImes(excludePackages); |
| 159 | |
| 160 | // Add launchers |
| 161 | Intent launcherIntent = new Intent(Intent.ACTION_MAIN); |
Tony Mantler | a1ae289 | 2016-01-13 11:07:44 -0800 | [diff] [blame] | 162 | if (mLeanback) { |
| 163 | launcherIntent.addCategory(Intent.CATEGORY_LEANBACK_LAUNCHER); |
| 164 | } else { |
| 165 | launcherIntent.addCategory(Intent.CATEGORY_LAUNCHER); |
| 166 | } |
Tony Mantler | e662ca6 | 2016-01-11 11:42:12 -0800 | [diff] [blame] | 167 | addSystemApps(mVisibleApps, launcherIntent, excludePackages); |
| 168 | |
| 169 | // Add widgets |
| 170 | Intent widgetIntent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); |
| 171 | addSystemApps(mVisibleApps, widgetIntent, excludePackages); |
| 172 | |
| 173 | List<ApplicationInfo> installedApps = pm.getInstalledApplications( |
| 174 | PackageManager.MATCH_UNINSTALLED_PACKAGES); |
| 175 | for (ApplicationInfo app : installedApps) { |
| 176 | // If it's not installed, skip |
| 177 | if ((app.flags & ApplicationInfo.FLAG_INSTALLED) == 0) continue; |
| 178 | |
| 179 | if ((app.flags & ApplicationInfo.FLAG_SYSTEM) == 0 |
| 180 | && (app.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) == 0) { |
| 181 | // Downloaded app |
| 182 | SelectableAppInfo info = new SelectableAppInfo(); |
| 183 | info.packageName = app.packageName; |
| 184 | info.appName = app.loadLabel(pm); |
| 185 | info.activityName = info.appName; |
| 186 | info.icon = app.loadIcon(pm); |
| 187 | mVisibleApps.add(info); |
| 188 | } else { |
| 189 | try { |
| 190 | PackageInfo pi = pm.getPackageInfo(app.packageName, 0); |
| 191 | // If it's a system app that requires an account and doesn't see restricted |
| 192 | // accounts, mark for removal. It might get shown in the UI if it has an icon |
| 193 | // but will still be marked as false and immutable. |
| 194 | if (mRestrictedProfile |
| 195 | && pi.requiredAccountType != null && pi.restrictedAccountType == null) { |
| 196 | mSelectedPackages.put(app.packageName, false); |
| 197 | } |
| 198 | } catch (PackageManager.NameNotFoundException re) { |
| 199 | // Skip |
| 200 | } |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | // Get the list of apps already installed for the user |
| 205 | List<ApplicationInfo> userApps = null; |
| 206 | try { |
| 207 | ParceledListSlice<ApplicationInfo> listSlice = ipm.getInstalledApplications( |
| 208 | PackageManager.MATCH_UNINSTALLED_PACKAGES, mUser.getIdentifier()); |
| 209 | if (listSlice != null) { |
| 210 | userApps = listSlice.getList(); |
| 211 | } |
| 212 | } catch (RemoteException re) { |
| 213 | // Ignore |
| 214 | } |
| 215 | |
| 216 | if (userApps != null) { |
| 217 | for (ApplicationInfo app : userApps) { |
| 218 | if ((app.flags & ApplicationInfo.FLAG_INSTALLED) == 0) continue; |
| 219 | |
| 220 | if ((app.flags & ApplicationInfo.FLAG_SYSTEM) == 0 |
| 221 | && (app.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) == 0) { |
| 222 | // Downloaded app |
| 223 | SelectableAppInfo info = new SelectableAppInfo(); |
| 224 | info.packageName = app.packageName; |
| 225 | info.appName = app.loadLabel(pm); |
| 226 | info.activityName = info.appName; |
| 227 | info.icon = app.loadIcon(pm); |
| 228 | mVisibleApps.add(info); |
| 229 | } |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | // Sort the list of visible apps |
| 234 | Collections.sort(mVisibleApps, new AppLabelComparator()); |
| 235 | |
| 236 | // Remove dupes |
| 237 | Set<String> dedupPackageSet = new HashSet<String>(); |
| 238 | for (int i = mVisibleApps.size() - 1; i >= 0; i--) { |
| 239 | SelectableAppInfo info = mVisibleApps.get(i); |
| 240 | if (DEBUG) Log.i(TAG, info.toString()); |
| 241 | String both = info.packageName + "+" + info.activityName; |
| 242 | if (!TextUtils.isEmpty(info.packageName) |
| 243 | && !TextUtils.isEmpty(info.activityName) |
| 244 | && dedupPackageSet.contains(both)) { |
| 245 | mVisibleApps.remove(i); |
| 246 | } else { |
| 247 | dedupPackageSet.add(both); |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | // Establish master/slave relationship for entries that share a package name |
| 252 | HashMap<String,SelectableAppInfo> packageMap = new HashMap<String,SelectableAppInfo>(); |
| 253 | for (SelectableAppInfo info : mVisibleApps) { |
| 254 | if (packageMap.containsKey(info.packageName)) { |
| 255 | info.masterEntry = packageMap.get(info.packageName); |
| 256 | } else { |
| 257 | packageMap.put(info.packageName, info); |
| 258 | } |
| 259 | } |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * Find all pre-installed input methods that are marked as default |
| 264 | * and add them to an exclusion list so that they aren't |
| 265 | * presented to the user for toggling. |
| 266 | * Don't add non-default ones, as they may include other stuff that we |
| 267 | * don't need to auto-include. |
| 268 | * @param excludePackages the set of package names to append to |
| 269 | */ |
| 270 | private void addSystemImes(Set<String> excludePackages) { |
| 271 | InputMethodManager imm = (InputMethodManager) |
| 272 | mContext.getSystemService(Context.INPUT_METHOD_SERVICE); |
| 273 | List<InputMethodInfo> imis = imm.getInputMethodList(); |
| 274 | for (InputMethodInfo imi : imis) { |
| 275 | try { |
| 276 | if (imi.isDefault(mContext) && isSystemPackage(imi.getPackageName())) { |
| 277 | excludePackages.add(imi.getPackageName()); |
| 278 | } |
| 279 | } catch (Resources.NotFoundException rnfe) { |
| 280 | // Not default |
| 281 | } |
| 282 | } |
| 283 | } |
| 284 | |
| 285 | /** |
| 286 | * Add system apps that match an intent to the list, excluding any packages in the exclude list. |
| 287 | * @param visibleApps list of apps to append the new list to |
| 288 | * @param intent the intent to match |
| 289 | * @param excludePackages the set of package names to be excluded, since they're required |
| 290 | */ |
| 291 | private void addSystemApps(List<SelectableAppInfo> visibleApps, Intent intent, |
| 292 | Set<String> excludePackages) { |
| 293 | final PackageManager pm = mPackageManager; |
| 294 | List<ResolveInfo> launchableApps = pm.queryIntentActivities(intent, |
| 295 | PackageManager.MATCH_DISABLED_COMPONENTS | PackageManager.MATCH_UNINSTALLED_PACKAGES); |
| 296 | for (ResolveInfo app : launchableApps) { |
| 297 | if (app.activityInfo != null && app.activityInfo.applicationInfo != null) { |
| 298 | final String packageName = app.activityInfo.packageName; |
| 299 | int flags = app.activityInfo.applicationInfo.flags; |
| 300 | if ((flags & ApplicationInfo.FLAG_SYSTEM) != 0 |
| 301 | || (flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0) { |
| 302 | // System app |
| 303 | // Skip excluded packages |
| 304 | if (excludePackages.contains(packageName)) continue; |
| 305 | int enabled = pm.getApplicationEnabledSetting(packageName); |
| 306 | if (enabled == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED |
| 307 | || enabled == PackageManager.COMPONENT_ENABLED_STATE_DISABLED) { |
| 308 | // Check if the app is already enabled for the target user |
| 309 | ApplicationInfo targetUserAppInfo = getAppInfoForUser(packageName, |
| 310 | 0, mUser); |
| 311 | if (targetUserAppInfo == null |
| 312 | || (targetUserAppInfo.flags&ApplicationInfo.FLAG_INSTALLED) == 0) { |
| 313 | continue; |
| 314 | } |
| 315 | } |
| 316 | SelectableAppInfo info = new SelectableAppInfo(); |
| 317 | info.packageName = app.activityInfo.packageName; |
| 318 | info.appName = app.activityInfo.applicationInfo.loadLabel(pm); |
| 319 | info.icon = app.activityInfo.loadIcon(pm); |
| 320 | info.activityName = app.activityInfo.loadLabel(pm); |
| 321 | if (info.activityName == null) info.activityName = info.appName; |
| 322 | |
| 323 | visibleApps.add(info); |
| 324 | } |
| 325 | } |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | private boolean isSystemPackage(String packageName) { |
| 330 | try { |
| 331 | final PackageInfo pi = mPackageManager.getPackageInfo(packageName, 0); |
| 332 | if (pi.applicationInfo == null) return false; |
| 333 | final int flags = pi.applicationInfo.flags; |
| 334 | if ((flags & ApplicationInfo.FLAG_SYSTEM) != 0 |
| 335 | || (flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0) { |
| 336 | return true; |
| 337 | } |
| 338 | } catch (PackageManager.NameNotFoundException nnfe) { |
| 339 | // Missing package? |
| 340 | } |
| 341 | return false; |
| 342 | } |
| 343 | |
| 344 | private ApplicationInfo getAppInfoForUser(String packageName, int flags, UserHandle user) { |
| 345 | try { |
| 346 | return mIPm.getApplicationInfo(packageName, flags, user.getIdentifier()); |
| 347 | } catch (RemoteException re) { |
| 348 | return null; |
| 349 | } |
| 350 | } |
| 351 | |
| 352 | public interface OnDisableUiForPackageListener { |
| 353 | void onDisableUiForPackage(String packageName); |
| 354 | } |
| 355 | |
| 356 | public static class SelectableAppInfo { |
| 357 | public String packageName; |
| 358 | public CharSequence appName; |
| 359 | public CharSequence activityName; |
| 360 | public Drawable icon; |
| 361 | public SelectableAppInfo masterEntry; |
| 362 | |
| 363 | @Override |
| 364 | public String toString() { |
| 365 | return packageName + ": appName=" + appName + "; activityName=" + activityName |
| 366 | + "; icon=" + icon + "; masterEntry=" + masterEntry; |
| 367 | } |
| 368 | } |
| 369 | |
| 370 | private static class AppLabelComparator implements Comparator<SelectableAppInfo> { |
| 371 | |
| 372 | @Override |
| 373 | public int compare(SelectableAppInfo lhs, SelectableAppInfo rhs) { |
| 374 | String lhsLabel = lhs.activityName.toString(); |
| 375 | String rhsLabel = rhs.activityName.toString(); |
| 376 | return lhsLabel.toLowerCase().compareTo(rhsLabel.toLowerCase()); |
| 377 | } |
| 378 | } |
| 379 | } |