| /* |
| * Copyright (C) 2014 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.systemui.statusbar.policy; |
| |
| import static android.os.UserManager.SWITCHABILITY_STATUS_OK; |
| |
| import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin; |
| import static com.android.systemui.DejankUtils.whitelistIpcs; |
| |
| import android.annotation.UserIdInt; |
| import android.app.ActivityManager; |
| import android.app.AlertDialog; |
| import android.app.Dialog; |
| import android.app.IActivityTaskManager; |
| import android.app.admin.DevicePolicyManager; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.UserInfo; |
| import android.database.ContentObserver; |
| import android.graphics.Bitmap; |
| import android.graphics.ColorFilter; |
| import android.graphics.ColorMatrix; |
| import android.graphics.ColorMatrixColorFilter; |
| import android.graphics.drawable.Drawable; |
| import android.os.AsyncTask; |
| import android.os.Handler; |
| import android.os.RemoteException; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.provider.Settings; |
| import android.telephony.TelephonyCallback; |
| import android.util.Log; |
| import android.util.SparseArray; |
| import android.util.SparseBooleanArray; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.WindowManagerGlobal; |
| import android.widget.BaseAdapter; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.logging.UiEventLogger; |
| import com.android.internal.logging.nano.MetricsProto.MetricsEvent; |
| import com.android.settingslib.RestrictedLockUtilsInternal; |
| import com.android.systemui.Dumpable; |
| import com.android.systemui.GuestResumeSessionReceiver; |
| import com.android.systemui.Prefs; |
| import com.android.systemui.Prefs.Key; |
| import com.android.systemui.R; |
| import com.android.systemui.SystemUISecondaryUserService; |
| import com.android.systemui.broadcast.BroadcastDispatcher; |
| import com.android.systemui.dagger.SysUISingleton; |
| import com.android.systemui.dagger.qualifiers.Background; |
| import com.android.systemui.dagger.qualifiers.Main; |
| import com.android.systemui.plugins.ActivityStarter; |
| import com.android.systemui.plugins.FalsingManager; |
| import com.android.systemui.plugins.qs.DetailAdapter; |
| import com.android.systemui.qs.QSUserSwitcherEvent; |
| import com.android.systemui.qs.tiles.UserDetailView; |
| import com.android.systemui.settings.UserTracker; |
| import com.android.systemui.statusbar.phone.SystemUIDialog; |
| import com.android.systemui.telephony.TelephonyListenerManager; |
| import com.android.systemui.user.CreateUserActivity; |
| import com.android.systemui.util.settings.SecureSettings; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.lang.ref.WeakReference; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.Executor; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import javax.inject.Inject; |
| import javax.inject.Provider; |
| |
| /** |
| * Keeps a list of all users on the device for user switching. |
| */ |
| @SysUISingleton |
| public class UserSwitcherController implements Dumpable { |
| |
| public static final float USER_SWITCH_ENABLED_ALPHA = 1.0f; |
| public static final float USER_SWITCH_DISABLED_ALPHA = 0.38f; |
| |
| private static final String TAG = "UserSwitcherController"; |
| private static final boolean DEBUG = false; |
| private static final String SIMPLE_USER_SWITCHER_GLOBAL_SETTING = |
| "lockscreenSimpleUserSwitcher"; |
| private static final int PAUSE_REFRESH_USERS_TIMEOUT_MS = 3000; |
| |
| private static final String PERMISSION_SELF = "com.android.systemui.permission.SELF"; |
| |
| protected final Context mContext; |
| protected final UserTracker mUserTracker; |
| protected final UserManager mUserManager; |
| private final ContentObserver mSettingsObserver; |
| private final ArrayList<WeakReference<BaseUserAdapter>> mAdapters = new ArrayList<>(); |
| @VisibleForTesting |
| final GuestResumeSessionReceiver mGuestResumeSessionReceiver; |
| private final KeyguardStateController mKeyguardStateController; |
| private final DeviceProvisionedController mDeviceProvisionedController; |
| private final DevicePolicyManager mDevicePolicyManager; |
| protected final Handler mHandler; |
| private final ActivityStarter mActivityStarter; |
| private final BroadcastDispatcher mBroadcastDispatcher; |
| private final TelephonyListenerManager mTelephonyListenerManager; |
| private final IActivityTaskManager mActivityTaskManager; |
| |
| private ArrayList<UserRecord> mUsers = new ArrayList<>(); |
| @VisibleForTesting |
| AlertDialog mExitGuestDialog; |
| @VisibleForTesting |
| Dialog mAddUserDialog; |
| private int mLastNonGuestUser = UserHandle.USER_SYSTEM; |
| private boolean mResumeUserOnGuestLogout = true; |
| private boolean mSimpleUserSwitcher; |
| // When false, there won't be any visual affordance to add a new user from the keyguard even if |
| // the user is unlocked |
| private boolean mAddUsersFromLockScreen; |
| @VisibleForTesting |
| boolean mPauseRefreshUsers; |
| private int mSecondaryUser = UserHandle.USER_NULL; |
| private Intent mSecondaryUserServiceIntent; |
| private SparseBooleanArray mForcePictureLoadForUserId = new SparseBooleanArray(2); |
| private final UiEventLogger mUiEventLogger; |
| public final DetailAdapter mUserDetailAdapter; |
| private final Executor mBgExecutor; |
| private final boolean mGuestUserAutoCreated; |
| private final AtomicBoolean mGuestIsResetting; |
| private final AtomicBoolean mGuestCreationScheduled; |
| private FalsingManager mFalsingManager; |
| |
| @Inject |
| public UserSwitcherController(Context context, |
| UserManager userManager, |
| UserTracker userTracker, |
| KeyguardStateController keyguardStateController, |
| DeviceProvisionedController deviceProvisionedController, |
| DevicePolicyManager devicePolicyManager, |
| @Main Handler handler, |
| ActivityStarter activityStarter, |
| BroadcastDispatcher broadcastDispatcher, |
| UiEventLogger uiEventLogger, |
| FalsingManager falsingManager, |
| TelephonyListenerManager telephonyListenerManager, |
| IActivityTaskManager activityTaskManager, |
| UserDetailAdapter userDetailAdapter, |
| SecureSettings secureSettings, |
| @Background Executor bgExecutor) { |
| mContext = context; |
| mUserTracker = userTracker; |
| mBroadcastDispatcher = broadcastDispatcher; |
| mTelephonyListenerManager = telephonyListenerManager; |
| mActivityTaskManager = activityTaskManager; |
| mUiEventLogger = uiEventLogger; |
| mFalsingManager = falsingManager; |
| mGuestResumeSessionReceiver = new GuestResumeSessionReceiver( |
| this, mUserTracker, mUiEventLogger, secureSettings); |
| mUserDetailAdapter = userDetailAdapter; |
| mBgExecutor = bgExecutor; |
| if (!UserManager.isGuestUserEphemeral()) { |
| mGuestResumeSessionReceiver.register(mBroadcastDispatcher); |
| } |
| mGuestUserAutoCreated = mContext.getResources().getBoolean( |
| com.android.internal.R.bool.config_guestUserAutoCreated); |
| mGuestIsResetting = new AtomicBoolean(); |
| mGuestCreationScheduled = new AtomicBoolean(); |
| mKeyguardStateController = keyguardStateController; |
| mDeviceProvisionedController = deviceProvisionedController; |
| mDevicePolicyManager = devicePolicyManager; |
| mHandler = handler; |
| mActivityStarter = activityStarter; |
| mUserManager = userManager; |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_USER_ADDED); |
| filter.addAction(Intent.ACTION_USER_REMOVED); |
| filter.addAction(Intent.ACTION_USER_INFO_CHANGED); |
| filter.addAction(Intent.ACTION_USER_SWITCHED); |
| filter.addAction(Intent.ACTION_USER_STOPPED); |
| filter.addAction(Intent.ACTION_USER_UNLOCKED); |
| mBroadcastDispatcher.registerReceiver( |
| mReceiver, filter, null /* handler */, UserHandle.SYSTEM); |
| |
| mSimpleUserSwitcher = shouldUseSimpleUserSwitcher(); |
| |
| mSecondaryUserServiceIntent = new Intent(context, SystemUISecondaryUserService.class); |
| |
| filter = new IntentFilter(); |
| mContext.registerReceiverAsUser(mReceiver, UserHandle.SYSTEM, filter, |
| PERMISSION_SELF, null /* scheduler */); |
| |
| mSettingsObserver = new ContentObserver(mHandler) { |
| @Override |
| public void onChange(boolean selfChange) { |
| mSimpleUserSwitcher = shouldUseSimpleUserSwitcher(); |
| mAddUsersFromLockScreen = Settings.Global.getInt(mContext.getContentResolver(), |
| Settings.Global.ADD_USERS_WHEN_LOCKED, 0) != 0; |
| refreshUsers(UserHandle.USER_NULL); |
| }; |
| }; |
| mContext.getContentResolver().registerContentObserver( |
| Settings.Global.getUriFor(SIMPLE_USER_SWITCHER_GLOBAL_SETTING), true, |
| mSettingsObserver); |
| mContext.getContentResolver().registerContentObserver( |
| Settings.Global.getUriFor(Settings.Global.ADD_USERS_WHEN_LOCKED), true, |
| mSettingsObserver); |
| mContext.getContentResolver().registerContentObserver( |
| Settings.Global.getUriFor( |
| Settings.Global.ALLOW_USER_SWITCHING_WHEN_SYSTEM_USER_LOCKED), |
| true, mSettingsObserver); |
| // Fetch initial values. |
| mSettingsObserver.onChange(false); |
| |
| keyguardStateController.addCallback(mCallback); |
| listenForCallState(); |
| |
| refreshUsers(UserHandle.USER_NULL); |
| } |
| |
| /** |
| * Refreshes users from UserManager. |
| * |
| * The pictures are only loaded if they have not been loaded yet. |
| * |
| * @param forcePictureLoadForId forces the picture of the given user to be reloaded. |
| */ |
| @SuppressWarnings("unchecked") |
| private void refreshUsers(int forcePictureLoadForId) { |
| if (DEBUG) Log.d(TAG, "refreshUsers(forcePictureLoadForId=" + forcePictureLoadForId+")"); |
| if (forcePictureLoadForId != UserHandle.USER_NULL) { |
| mForcePictureLoadForUserId.put(forcePictureLoadForId, true); |
| } |
| |
| if (mPauseRefreshUsers) { |
| return; |
| } |
| |
| boolean forceAllUsers = mForcePictureLoadForUserId.get(UserHandle.USER_ALL); |
| SparseArray<Bitmap> bitmaps = new SparseArray<>(mUsers.size()); |
| final int N = mUsers.size(); |
| for (int i = 0; i < N; i++) { |
| UserRecord r = mUsers.get(i); |
| if (r == null || r.picture == null || r.info == null || forceAllUsers |
| || mForcePictureLoadForUserId.get(r.info.id)) { |
| continue; |
| } |
| bitmaps.put(r.info.id, r.picture); |
| } |
| mForcePictureLoadForUserId.clear(); |
| |
| final boolean addUsersWhenLocked = mAddUsersFromLockScreen; |
| new AsyncTask<SparseArray<Bitmap>, Void, ArrayList<UserRecord>>() { |
| @SuppressWarnings("unchecked") |
| @Override |
| protected ArrayList<UserRecord> doInBackground(SparseArray<Bitmap>... params) { |
| final SparseArray<Bitmap> bitmaps = params[0]; |
| List<UserInfo> infos = mUserManager.getAliveUsers(); |
| if (infos == null) { |
| return null; |
| } |
| ArrayList<UserRecord> records = new ArrayList<>(infos.size()); |
| int currentId = mUserTracker.getUserId(); |
| // Check user switchability of the foreground user since SystemUI is running in |
| // User 0 |
| boolean canSwitchUsers = mUserManager.getUserSwitchability( |
| UserHandle.of(mUserTracker.getUserId())) == SWITCHABILITY_STATUS_OK; |
| UserInfo currentUserInfo = null; |
| UserRecord guestRecord = null; |
| |
| for (UserInfo info : infos) { |
| boolean isCurrent = currentId == info.id; |
| if (isCurrent) { |
| currentUserInfo = info; |
| } |
| boolean switchToEnabled = canSwitchUsers || isCurrent; |
| if (info.isEnabled()) { |
| if (info.isGuest()) { |
| // Tapping guest icon triggers remove and a user switch therefore |
| // the icon shouldn't be enabled even if the user is current |
| guestRecord = new UserRecord(info, null /* picture */, |
| true /* isGuest */, isCurrent, false /* isAddUser */, |
| false /* isRestricted */, canSwitchUsers); |
| } else if (info.supportsSwitchToByUser()) { |
| Bitmap picture = bitmaps.get(info.id); |
| if (picture == null) { |
| picture = mUserManager.getUserIcon(info.id); |
| |
| if (picture != null) { |
| int avatarSize = mContext.getResources() |
| .getDimensionPixelSize(R.dimen.max_avatar_size); |
| picture = Bitmap.createScaledBitmap( |
| picture, avatarSize, avatarSize, true); |
| } |
| } |
| records.add(new UserRecord(info, picture, false /* isGuest */, |
| isCurrent, false /* isAddUser */, false /* isRestricted */, |
| switchToEnabled)); |
| } |
| } |
| } |
| if (records.size() > 1 || guestRecord != null) { |
| Prefs.putBoolean(mContext, Key.SEEN_MULTI_USER, true); |
| } |
| |
| boolean systemCanCreateUsers = !mUserManager.hasBaseUserRestriction( |
| UserManager.DISALLOW_ADD_USER, UserHandle.SYSTEM); |
| boolean currentUserCanCreateUsers = currentUserInfo != null |
| && (currentUserInfo.isAdmin() |
| || currentUserInfo.id == UserHandle.USER_SYSTEM) |
| && systemCanCreateUsers; |
| boolean anyoneCanCreateUsers = systemCanCreateUsers && addUsersWhenLocked; |
| boolean canCreateGuest = (currentUserCanCreateUsers || anyoneCanCreateUsers) |
| && guestRecord == null; |
| boolean canCreateUser = (currentUserCanCreateUsers || anyoneCanCreateUsers) |
| && mUserManager.canAddMoreUsers(); |
| boolean createIsRestricted = !addUsersWhenLocked; |
| |
| if (guestRecord == null) { |
| if (mGuestUserAutoCreated) { |
| // If mGuestIsResetting=true, the switch should be disabled since |
| // we will just use it as an indicator for "Resetting guest...". |
| // Otherwise, default to canSwitchUsers. |
| boolean isSwitchToGuestEnabled = |
| !mGuestIsResetting.get() && canSwitchUsers; |
| guestRecord = new UserRecord(null /* info */, null /* picture */, |
| true /* isGuest */, false /* isCurrent */, |
| false /* isAddUser */, false /* isRestricted */, |
| isSwitchToGuestEnabled); |
| checkIfAddUserDisallowedByAdminOnly(guestRecord); |
| records.add(guestRecord); |
| } else if (canCreateGuest) { |
| guestRecord = new UserRecord(null /* info */, null /* picture */, |
| true /* isGuest */, false /* isCurrent */, |
| false /* isAddUser */, createIsRestricted, canSwitchUsers); |
| checkIfAddUserDisallowedByAdminOnly(guestRecord); |
| records.add(guestRecord); |
| } |
| } else { |
| records.add(guestRecord); |
| } |
| |
| if (canCreateUser) { |
| UserRecord addUserRecord = new UserRecord(null /* info */, null /* picture */, |
| false /* isGuest */, false /* isCurrent */, true /* isAddUser */, |
| createIsRestricted, canSwitchUsers); |
| checkIfAddUserDisallowedByAdminOnly(addUserRecord); |
| records.add(addUserRecord); |
| } |
| |
| return records; |
| } |
| |
| @Override |
| protected void onPostExecute(ArrayList<UserRecord> userRecords) { |
| if (userRecords != null) { |
| mUsers = userRecords; |
| notifyAdapters(); |
| } |
| } |
| }.execute((SparseArray) bitmaps); |
| } |
| |
| private void pauseRefreshUsers() { |
| if (!mPauseRefreshUsers) { |
| mHandler.postDelayed(mUnpauseRefreshUsers, PAUSE_REFRESH_USERS_TIMEOUT_MS); |
| mPauseRefreshUsers = true; |
| } |
| } |
| |
| private void notifyAdapters() { |
| for (int i = mAdapters.size() - 1; i >= 0; i--) { |
| BaseUserAdapter adapter = mAdapters.get(i).get(); |
| if (adapter != null) { |
| adapter.notifyDataSetChanged(); |
| } else { |
| mAdapters.remove(i); |
| } |
| } |
| } |
| |
| public boolean isSimpleUserSwitcher() { |
| return mSimpleUserSwitcher; |
| } |
| |
| public boolean useFullscreenUserSwitcher() { |
| // Use adb to override: |
| // adb shell settings put system enable_fullscreen_user_switcher 0 # Turn it off. |
| // adb shell settings put system enable_fullscreen_user_switcher 1 # Turn it on. |
| // Restart SystemUI or adb reboot. |
| final int DEFAULT = -1; |
| final int overrideUseFullscreenUserSwitcher = |
| whitelistIpcs(() -> Settings.System.getInt(mContext.getContentResolver(), |
| "enable_fullscreen_user_switcher", DEFAULT)); |
| if (overrideUseFullscreenUserSwitcher != DEFAULT) { |
| return overrideUseFullscreenUserSwitcher != 0; |
| } |
| // Otherwise default to the build setting. |
| return mContext.getResources().getBoolean(R.bool.config_enableFullscreenUserSwitcher); |
| } |
| |
| public void setResumeUserOnGuestLogout(boolean resume) { |
| mResumeUserOnGuestLogout = resume; |
| } |
| |
| public void logoutCurrentUser() { |
| int currentUser = mUserTracker.getUserId(); |
| if (currentUser != UserHandle.USER_SYSTEM) { |
| pauseRefreshUsers(); |
| ActivityManager.logoutCurrentUser(); |
| } |
| } |
| |
| public void removeUserId(int userId) { |
| if (userId == UserHandle.USER_SYSTEM) { |
| Log.w(TAG, "User " + userId + " could not removed."); |
| return; |
| } |
| if (mUserTracker.getUserId() == userId) { |
| switchToUserId(UserHandle.USER_SYSTEM); |
| } |
| if (mUserManager.removeUser(userId)) { |
| refreshUsers(UserHandle.USER_NULL); |
| } |
| } |
| |
| @VisibleForTesting |
| void onUserListItemClicked(UserRecord record) { |
| int id; |
| if (record.isGuest && record.info == null) { |
| // No guest user. Create one. |
| int guestId = createGuest(); |
| if (guestId == UserHandle.USER_NULL) { |
| // This may happen if we haven't reloaded the user list yet. |
| return; |
| } |
| mUiEventLogger.log(QSUserSwitcherEvent.QS_USER_GUEST_ADD); |
| id = guestId; |
| } else if (record.isAddUser) { |
| showAddUserDialog(); |
| return; |
| } else { |
| id = record.info.id; |
| } |
| |
| int currUserId = mUserTracker.getUserId(); |
| if (currUserId == id) { |
| if (record.isGuest) { |
| showExitGuestDialog(id); |
| } |
| return; |
| } |
| |
| if (UserManager.isGuestUserEphemeral()) { |
| // If switching from guest, we want to bring up the guest exit dialog instead of switching |
| UserInfo currUserInfo = mUserManager.getUserInfo(currUserId); |
| if (currUserInfo != null && currUserInfo.isGuest()) { |
| showExitGuestDialog(currUserId, record.resolveId()); |
| return; |
| } |
| } |
| |
| switchToUserId(id); |
| } |
| |
| protected void switchToUserId(int id) { |
| try { |
| pauseRefreshUsers(); |
| ActivityManager.getService().switchUser(id); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Couldn't switch user.", e); |
| } |
| } |
| |
| protected void showExitGuestDialog(int id) { |
| int newId = UserHandle.USER_SYSTEM; |
| if (mResumeUserOnGuestLogout && mLastNonGuestUser != UserHandle.USER_SYSTEM) { |
| UserInfo info = mUserManager.getUserInfo(mLastNonGuestUser); |
| if (info != null && info.isEnabled() && info.supportsSwitchToByUser()) { |
| newId = info.id; |
| } |
| } |
| showExitGuestDialog(id, newId); |
| } |
| |
| protected void showExitGuestDialog(int id, int targetId) { |
| if (mExitGuestDialog != null && mExitGuestDialog.isShowing()) { |
| mExitGuestDialog.cancel(); |
| } |
| mExitGuestDialog = new ExitGuestDialog(mContext, id, targetId); |
| mExitGuestDialog.show(); |
| } |
| |
| public void showAddUserDialog() { |
| if (mAddUserDialog != null && mAddUserDialog.isShowing()) { |
| mAddUserDialog.cancel(); |
| } |
| mAddUserDialog = new AddUserDialog(mContext); |
| mAddUserDialog.show(); |
| } |
| |
| private void listenForCallState() { |
| mTelephonyListenerManager.addCallStateListener(mPhoneStateListener); |
| } |
| |
| private final TelephonyCallback.CallStateListener mPhoneStateListener = |
| new TelephonyCallback.CallStateListener() { |
| private int mCallState; |
| |
| @Override |
| public void onCallStateChanged(int state) { |
| if (mCallState == state) return; |
| if (DEBUG) Log.v(TAG, "Call state changed: " + state); |
| mCallState = state; |
| refreshUsers(UserHandle.USER_NULL); |
| } |
| }; |
| |
| private BroadcastReceiver mReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (DEBUG) { |
| Log.v(TAG, "Broadcast: a=" + intent.getAction() |
| + " user=" + intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1)); |
| } |
| |
| boolean unpauseRefreshUsers = false; |
| int forcePictureLoadForId = UserHandle.USER_NULL; |
| |
| if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) { |
| if (mExitGuestDialog != null && mExitGuestDialog.isShowing()) { |
| mExitGuestDialog.cancel(); |
| mExitGuestDialog = null; |
| } |
| |
| final int currentId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1); |
| final UserInfo userInfo = mUserManager.getUserInfo(currentId); |
| final int N = mUsers.size(); |
| for (int i = 0; i < N; i++) { |
| UserRecord record = mUsers.get(i); |
| if (record.info == null) continue; |
| boolean shouldBeCurrent = record.info.id == currentId; |
| if (record.isCurrent != shouldBeCurrent) { |
| mUsers.set(i, record.copyWithIsCurrent(shouldBeCurrent)); |
| } |
| if (shouldBeCurrent && !record.isGuest) { |
| mLastNonGuestUser = record.info.id; |
| } |
| if ((userInfo == null || !userInfo.isAdmin()) && record.isRestricted) { |
| // Immediately remove restricted records in case the AsyncTask is too slow. |
| mUsers.remove(i); |
| i--; |
| } |
| } |
| notifyAdapters(); |
| |
| // Disconnect from the old secondary user's service |
| if (mSecondaryUser != UserHandle.USER_NULL) { |
| context.stopServiceAsUser(mSecondaryUserServiceIntent, |
| UserHandle.of(mSecondaryUser)); |
| mSecondaryUser = UserHandle.USER_NULL; |
| } |
| // Connect to the new secondary user's service (purely to ensure that a persistent |
| // SystemUI application is created for that user) |
| if (userInfo != null && userInfo.id != UserHandle.USER_SYSTEM) { |
| context.startServiceAsUser(mSecondaryUserServiceIntent, |
| UserHandle.of(userInfo.id)); |
| mSecondaryUser = userInfo.id; |
| } |
| unpauseRefreshUsers = true; |
| if (mGuestUserAutoCreated) { |
| // Guest user must be scheduled for creation AFTER switching to the target user. |
| // This avoids lock contention which will produce UX bugs on the keyguard |
| // (b/193933686). |
| // TODO(b/191067027): Move guest user recreation to system_server |
| guaranteeGuestPresent(); |
| } |
| } else if (Intent.ACTION_USER_INFO_CHANGED.equals(intent.getAction())) { |
| forcePictureLoadForId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, |
| UserHandle.USER_NULL); |
| } else if (Intent.ACTION_USER_UNLOCKED.equals(intent.getAction())) { |
| // Unlocking the system user may require a refresh |
| int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL); |
| if (userId != UserHandle.USER_SYSTEM) { |
| return; |
| } |
| } |
| refreshUsers(forcePictureLoadForId); |
| if (unpauseRefreshUsers) { |
| mUnpauseRefreshUsers.run(); |
| } |
| } |
| }; |
| |
| private final Runnable mUnpauseRefreshUsers = new Runnable() { |
| @Override |
| public void run() { |
| mHandler.removeCallbacks(this); |
| mPauseRefreshUsers = false; |
| refreshUsers(UserHandle.USER_NULL); |
| } |
| }; |
| |
| @Override |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| pw.println("UserSwitcherController state:"); |
| pw.println(" mLastNonGuestUser=" + mLastNonGuestUser); |
| pw.print(" mUsers.size="); pw.println(mUsers.size()); |
| for (int i = 0; i < mUsers.size(); i++) { |
| final UserRecord u = mUsers.get(i); |
| pw.print(" "); pw.println(u.toString()); |
| } |
| pw.println("mSimpleUserSwitcher=" + mSimpleUserSwitcher); |
| pw.println("mGuestUserAutoCreated=" + mGuestUserAutoCreated); |
| } |
| |
| /** Returns the name of the current user of the phone. */ |
| public String getCurrentUserName() { |
| if (mUsers.isEmpty()) return null; |
| UserRecord item = mUsers.get(0); |
| if (item == null || item.info == null) return null; |
| if (item.isGuest) return mContext.getString( |
| com.android.settingslib.R.string.guest_nickname); |
| return item.info.name; |
| } |
| |
| public void onDensityOrFontScaleChanged() { |
| refreshUsers(UserHandle.USER_ALL); |
| } |
| |
| @VisibleForTesting |
| public void addAdapter(WeakReference<BaseUserAdapter> adapter) { |
| mAdapters.add(adapter); |
| } |
| |
| @VisibleForTesting |
| public ArrayList<UserRecord> getUsers() { |
| return mUsers; |
| } |
| |
| /** |
| * Removes guest user and switches to target user. The guest must be the current user and its id |
| * must be {@code guestUserId}. |
| * |
| * <p>If {@code targetUserId} is {@link UserHandle.USER_NULL}, then create a new guest user in |
| * the foreground, and immediately switch to it. This is used for wiping the current guest and |
| * replacing it with a new one. |
| * |
| * <p>If {@code targetUserId} is specified, then remove the guest in the background while |
| * switching to {@code targetUserId}. |
| * |
| * <p>If device is configured with {@link |
| * com.android.internal.R.bool.config_guestUserAutoCreated}, then after guest user is removed, a |
| * new one is created in the background. This has no effect if {@code targetUserId} is {@link |
| * UserHandle.USER_NULL}. |
| * |
| * @param guestUserId id of the guest user to remove |
| * @param targetUserId id of the user to switch to after guest is removed. If {@link |
| * UserHandle.USER_NULL}, then switch immediately to the newly created guest user. |
| */ |
| public void removeGuestUser(@UserIdInt int guestUserId, @UserIdInt int targetUserId) { |
| UserInfo currentUser = mUserTracker.getUserInfo(); |
| if (currentUser.id != guestUserId) { |
| Log.w(TAG, "User requesting to start a new session (" + guestUserId + ")" |
| + " is not current user (" + currentUser.id + ")"); |
| return; |
| } |
| if (!currentUser.isGuest()) { |
| Log.w(TAG, "User requesting to start a new session (" + guestUserId + ")" |
| + " is not a guest"); |
| return; |
| } |
| |
| boolean marked = mUserManager.markGuestForDeletion(currentUser.id); |
| if (!marked) { |
| Log.w(TAG, "Couldn't mark the guest for deletion for user " + guestUserId); |
| return; |
| } |
| |
| try { |
| if (targetUserId == UserHandle.USER_NULL) { |
| // Create a new guest in the foreground, and then immediately switch to it |
| int newGuestId = createGuest(); |
| if (newGuestId == UserHandle.USER_NULL) { |
| Log.e(TAG, "Could not create new guest, switching back to system user"); |
| switchToUserId(UserHandle.USER_SYSTEM); |
| mUserManager.removeUser(currentUser.id); |
| WindowManagerGlobal.getWindowManagerService().lockNow(/* options= */ null); |
| return; |
| } |
| switchToUserId(newGuestId); |
| mUserManager.removeUser(currentUser.id); |
| } else { |
| if (mGuestUserAutoCreated) { |
| mGuestIsResetting.set(true); |
| } |
| switchToUserId(targetUserId); |
| mUserManager.removeUser(currentUser.id); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG, "Couldn't remove guest because ActivityManager or WindowManager is dead"); |
| return; |
| } |
| } |
| |
| private void scheduleGuestCreation() { |
| if (!mGuestCreationScheduled.compareAndSet(false, true)) { |
| return; |
| } |
| |
| mBgExecutor.execute(() -> { |
| int newGuestId = createGuest(); |
| mGuestCreationScheduled.set(false); |
| mGuestIsResetting.set(false); |
| if (newGuestId == UserHandle.USER_NULL) { |
| Log.w(TAG, "Could not create new guest while exiting existing guest"); |
| // Refresh users so that we still display "Guest" if |
| // config_guestUserAutoCreated=true |
| refreshUsers(UserHandle.USER_NULL); |
| } |
| }); |
| |
| } |
| |
| /** |
| * Guarantee guest is present only if the device is provisioned. Otherwise, create a content |
| * observer to wait until the device is provisioned, then schedule the guest creation. |
| */ |
| public void schedulePostBootGuestCreation() { |
| if (isDeviceAllowedToAddGuest()) { |
| guaranteeGuestPresent(); |
| } else { |
| mDeviceProvisionedController.addCallback(mGuaranteeGuestPresentAfterProvisioned); |
| } |
| } |
| |
| private boolean isDeviceAllowedToAddGuest() { |
| return mDeviceProvisionedController.isDeviceProvisioned() |
| && !mDevicePolicyManager.isDeviceManaged(); |
| } |
| |
| /** |
| * If there is no guest on the device, schedule creation of a new guest user in the background. |
| */ |
| private void guaranteeGuestPresent() { |
| if (isDeviceAllowedToAddGuest() && mUserManager.findCurrentGuestUser() == null) { |
| scheduleGuestCreation(); |
| } |
| } |
| |
| /** |
| * Creates a guest user and return its multi-user user ID. |
| * |
| * This method does not check if a guest already exists before it makes a call to |
| * {@link UserManager} to create a new one. |
| * |
| * @return The multi-user user ID of the newly created guest user, or |
| * {@link UserHandle.USER_NULL} if the guest couldn't be created. |
| */ |
| public @UserIdInt int createGuest() { |
| UserInfo guest; |
| try { |
| guest = mUserManager.createGuest(mContext, |
| mContext.getString(com.android.settingslib.R.string.guest_nickname)); |
| } catch (UserManager.UserOperationException e) { |
| Log.e(TAG, "Couldn't create guest user", e); |
| return UserHandle.USER_NULL; |
| } |
| if (guest == null) { |
| Log.e(TAG, "Couldn't create guest, most likely because there already exists one"); |
| return UserHandle.USER_NULL; |
| } |
| return guest.id; |
| } |
| |
| public static abstract class BaseUserAdapter extends BaseAdapter { |
| |
| final UserSwitcherController mController; |
| private final KeyguardStateController mKeyguardStateController; |
| |
| protected BaseUserAdapter(UserSwitcherController controller) { |
| mController = controller; |
| mKeyguardStateController = controller.mKeyguardStateController; |
| controller.addAdapter(new WeakReference<>(this)); |
| } |
| |
| protected ArrayList<UserRecord> getUsers() { |
| return mController.getUsers(); |
| } |
| |
| public int getUserCount() { |
| return countUsers(false); |
| } |
| |
| @Override |
| public int getCount() { |
| return countUsers(true); |
| } |
| |
| private int countUsers(boolean includeGuest) { |
| boolean keyguardShowing = mKeyguardStateController.isShowing(); |
| final int userSize = getUsers().size(); |
| int count = 0; |
| for (int i = 0; i < userSize; i++) { |
| if (getUsers().get(i).isGuest && !includeGuest) { |
| continue; |
| } |
| if (getUsers().get(i).isRestricted && keyguardShowing) { |
| break; |
| } |
| count++; |
| } |
| return count; |
| } |
| |
| @Override |
| public UserRecord getItem(int position) { |
| return getUsers().get(position); |
| } |
| |
| @Override |
| public long getItemId(int position) { |
| return position; |
| } |
| |
| /** |
| * It handles click events on user list items. |
| */ |
| public void onUserListItemClicked(UserRecord record) { |
| mController.onUserListItemClicked(record); |
| } |
| |
| public String getName(Context context, UserRecord item) { |
| if (item.isGuest) { |
| if (item.isCurrent) { |
| return context.getString(mController.mGuestUserAutoCreated |
| ? com.android.settingslib.R.string.guest_reset_guest |
| : com.android.settingslib.R.string.guest_exit_guest); |
| } else { |
| if (item.info != null) { |
| return context.getString(com.android.settingslib.R.string.guest_nickname); |
| } else { |
| if (mController.mGuestUserAutoCreated) { |
| // If mGuestIsResetting=true, we expect the guest user to be created |
| // shortly, so display a "Resetting guest..." as an indicator that we |
| // are busy. Otherwise, if mGuestIsResetting=false, we probably failed |
| // to create a guest at some point. In this case, always show guest |
| // nickname instead of "Add guest" to make it seem as though the device |
| // always has a guest ready for use. |
| return context.getString( |
| mController.mGuestIsResetting.get() |
| ? com.android.settingslib.R.string.guest_resetting |
| : com.android.settingslib.R.string.guest_nickname); |
| } else { |
| return context.getString( |
| com.android.settingslib.R.string.guest_new_guest); |
| } |
| } |
| } |
| } else if (item.isAddUser) { |
| return context.getString(R.string.user_add_user); |
| } else { |
| return item.info.name; |
| } |
| } |
| |
| protected static ColorFilter getDisabledUserAvatarColorFilter() { |
| ColorMatrix matrix = new ColorMatrix(); |
| matrix.setSaturation(0f); // 0 - grayscale |
| return new ColorMatrixColorFilter(matrix); |
| } |
| |
| protected static Drawable getIconDrawable(Context context, UserRecord item) { |
| int iconRes; |
| if (item.isAddUser) { |
| iconRes = R.drawable.ic_add_circle; |
| } else if (item.isGuest) { |
| iconRes = R.drawable.ic_avatar_guest_user; |
| } else { |
| iconRes = R.drawable.ic_avatar_user; |
| } |
| |
| return context.getDrawable(iconRes); |
| } |
| |
| public void refresh() { |
| mController.refreshUsers(UserHandle.USER_NULL); |
| } |
| } |
| |
| private void checkIfAddUserDisallowedByAdminOnly(UserRecord record) { |
| EnforcedAdmin admin = RestrictedLockUtilsInternal.checkIfRestrictionEnforced(mContext, |
| UserManager.DISALLOW_ADD_USER, mUserTracker.getUserId()); |
| if (admin != null && !RestrictedLockUtilsInternal.hasBaseUserRestriction(mContext, |
| UserManager.DISALLOW_ADD_USER, mUserTracker.getUserId())) { |
| record.isDisabledByAdmin = true; |
| record.enforcedAdmin = admin; |
| } else { |
| record.isDisabledByAdmin = false; |
| record.enforcedAdmin = null; |
| } |
| } |
| |
| private boolean shouldUseSimpleUserSwitcher() { |
| int defaultSimpleUserSwitcher = mContext.getResources().getBoolean( |
| com.android.internal.R.bool.config_expandLockScreenUserSwitcher) ? 1 : 0; |
| return Settings.Global.getInt(mContext.getContentResolver(), |
| SIMPLE_USER_SWITCHER_GLOBAL_SETTING, defaultSimpleUserSwitcher) != 0; |
| } |
| |
| public void startActivity(Intent intent) { |
| mActivityStarter.startActivity(intent, true); |
| } |
| |
| public static final class UserRecord { |
| public final UserInfo info; |
| public final Bitmap picture; |
| public final boolean isGuest; |
| public final boolean isCurrent; |
| public final boolean isAddUser; |
| /** If true, the record is only visible to the owner and only when unlocked. */ |
| public final boolean isRestricted; |
| public boolean isDisabledByAdmin; |
| public EnforcedAdmin enforcedAdmin; |
| public boolean isSwitchToEnabled; |
| |
| public UserRecord(UserInfo info, Bitmap picture, boolean isGuest, boolean isCurrent, |
| boolean isAddUser, boolean isRestricted, boolean isSwitchToEnabled) { |
| this.info = info; |
| this.picture = picture; |
| this.isGuest = isGuest; |
| this.isCurrent = isCurrent; |
| this.isAddUser = isAddUser; |
| this.isRestricted = isRestricted; |
| this.isSwitchToEnabled = isSwitchToEnabled; |
| } |
| |
| public UserRecord copyWithIsCurrent(boolean _isCurrent) { |
| return new UserRecord(info, picture, isGuest, _isCurrent, isAddUser, isRestricted, |
| isSwitchToEnabled); |
| } |
| |
| public int resolveId() { |
| if (isGuest || info == null) { |
| return UserHandle.USER_NULL; |
| } |
| return info.id; |
| } |
| |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("UserRecord("); |
| if (info != null) { |
| sb.append("name=\"").append(info.name).append("\" id=").append(info.id); |
| } else { |
| if (isGuest) { |
| sb.append("<add guest placeholder>"); |
| } else if (isAddUser) { |
| sb.append("<add user placeholder>"); |
| } |
| } |
| if (isGuest) sb.append(" <isGuest>"); |
| if (isAddUser) sb.append(" <isAddUser>"); |
| if (isCurrent) sb.append(" <isCurrent>"); |
| if (picture != null) sb.append(" <hasPicture>"); |
| if (isRestricted) sb.append(" <isRestricted>"); |
| if (isDisabledByAdmin) { |
| sb.append(" <isDisabledByAdmin>"); |
| sb.append(" enforcedAdmin=").append(enforcedAdmin); |
| } |
| if (isSwitchToEnabled) { |
| sb.append(" <isSwitchToEnabled>"); |
| } |
| sb.append(')'); |
| return sb.toString(); |
| } |
| } |
| |
| public static class UserDetailAdapter implements DetailAdapter { |
| private final Intent USER_SETTINGS_INTENT = new Intent(Settings.ACTION_USER_SETTINGS); |
| |
| private final Context mContext; |
| private final Provider<UserDetailView.Adapter> mUserDetailViewAdapterProvider; |
| |
| @Inject |
| UserDetailAdapter(Context context, |
| Provider<UserDetailView.Adapter> userDetailViewAdapterProvider) { |
| mContext = context; |
| mUserDetailViewAdapterProvider = userDetailViewAdapterProvider; |
| } |
| |
| @Override |
| public CharSequence getTitle() { |
| return mContext.getString(R.string.quick_settings_user_title); |
| } |
| |
| @Override |
| public View createDetailView(Context context, View convertView, ViewGroup parent) { |
| UserDetailView v; |
| if (!(convertView instanceof UserDetailView)) { |
| v = UserDetailView.inflate(context, parent, false); |
| v.setAdapter(mUserDetailViewAdapterProvider.get()); |
| } else { |
| v = (UserDetailView) convertView; |
| } |
| v.refreshAdapter(); |
| return v; |
| } |
| |
| @Override |
| public Intent getSettingsIntent() { |
| return USER_SETTINGS_INTENT; |
| } |
| |
| @Override |
| public int getSettingsText() { |
| return R.string.quick_settings_more_user_settings; |
| } |
| |
| @Override |
| public Boolean getToggleState() { |
| return null; |
| } |
| |
| @Override |
| public void setToggleState(boolean state) { |
| } |
| |
| @Override |
| public int getMetricsCategory() { |
| return MetricsEvent.QS_USERDETAIL; |
| } |
| |
| @Override |
| public UiEventLogger.UiEventEnum openDetailEvent() { |
| return QSUserSwitcherEvent.QS_USER_DETAIL_OPEN; |
| } |
| |
| @Override |
| public UiEventLogger.UiEventEnum closeDetailEvent() { |
| return QSUserSwitcherEvent.QS_USER_DETAIL_CLOSE; |
| } |
| |
| @Override |
| public UiEventLogger.UiEventEnum moreSettingsEvent() { |
| return QSUserSwitcherEvent.QS_USER_MORE_SETTINGS; |
| } |
| }; |
| |
| private final KeyguardStateController.Callback mCallback = |
| new KeyguardStateController.Callback() { |
| @Override |
| public void onKeyguardShowingChanged() { |
| |
| // When Keyguard is going away, we don't need to update our items immediately |
| // which |
| // helps making the transition faster. |
| if (!mKeyguardStateController.isShowing()) { |
| mHandler.post(UserSwitcherController.this::notifyAdapters); |
| } else { |
| notifyAdapters(); |
| } |
| } |
| }; |
| |
| private final DeviceProvisionedController.DeviceProvisionedListener |
| mGuaranteeGuestPresentAfterProvisioned = |
| new DeviceProvisionedController.DeviceProvisionedListener() { |
| @Override |
| public void onDeviceProvisionedChanged() { |
| if (isDeviceAllowedToAddGuest()) { |
| mBgExecutor.execute( |
| () -> mDeviceProvisionedController.removeCallback( |
| mGuaranteeGuestPresentAfterProvisioned)); |
| guaranteeGuestPresent(); |
| } |
| } |
| }; |
| |
| |
| private final class ExitGuestDialog extends SystemUIDialog implements |
| DialogInterface.OnClickListener { |
| |
| private final int mGuestId; |
| private final int mTargetId; |
| |
| public ExitGuestDialog(Context context, int guestId, int targetId) { |
| super(context); |
| setTitle(mGuestUserAutoCreated |
| ? com.android.settingslib.R.string.guest_reset_guest_dialog_title |
| : R.string.guest_exit_guest_dialog_title); |
| setMessage(context.getString(R.string.guest_exit_guest_dialog_message)); |
| setButton(DialogInterface.BUTTON_NEGATIVE, |
| context.getString(android.R.string.cancel), this); |
| setButton(DialogInterface.BUTTON_POSITIVE, |
| context.getString(mGuestUserAutoCreated |
| ? com.android.settingslib.R.string.guest_reset_guest_confirm_button |
| : R.string.guest_exit_guest_dialog_remove), this); |
| SystemUIDialog.setWindowOnTop(this); |
| setCanceledOnTouchOutside(false); |
| mGuestId = guestId; |
| mTargetId = targetId; |
| } |
| |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| int penalty = which == BUTTON_NEGATIVE ? FalsingManager.NO_PENALTY |
| : FalsingManager.HIGH_PENALTY; |
| if (mFalsingManager.isFalseTap(penalty)) { |
| return; |
| } |
| if (which == BUTTON_NEGATIVE) { |
| cancel(); |
| } else { |
| mUiEventLogger.log(QSUserSwitcherEvent.QS_USER_GUEST_REMOVE); |
| dismiss(); |
| removeGuestUser(mGuestId, mTargetId); |
| } |
| } |
| } |
| |
| @VisibleForTesting |
| final class AddUserDialog extends SystemUIDialog implements |
| DialogInterface.OnClickListener { |
| |
| public AddUserDialog(Context context) { |
| super(context); |
| setTitle(R.string.user_add_user_title); |
| setMessage(context.getString(R.string.user_add_user_message_short)); |
| setButton(DialogInterface.BUTTON_NEGATIVE, |
| context.getString(android.R.string.cancel), this); |
| setButton(DialogInterface.BUTTON_POSITIVE, |
| context.getString(android.R.string.ok), this); |
| SystemUIDialog.setWindowOnTop(this); |
| } |
| |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| int penalty = which == BUTTON_NEGATIVE ? FalsingManager.NO_PENALTY |
| : FalsingManager.MODERATE_PENALTY; |
| if (mFalsingManager.isFalseTap(penalty)) { |
| return; |
| } |
| if (which == BUTTON_NEGATIVE) { |
| cancel(); |
| } else { |
| dismiss(); |
| if (ActivityManager.isUserAMonkey()) { |
| return; |
| } |
| Intent intent = CreateUserActivity.createIntentForStart(getContext()); |
| |
| // There are some differences between ActivityStarter and ActivityTaskManager in |
| // terms of how they start an activity. ActivityStarter hides the notification bar |
| // before starting the activity to make sure nothing is in front of the new |
| // activity. ActivityStarter also tries to unlock the device if it's locked. |
| // When locked with PIN/pattern/password then it shows the prompt, if there are no |
| // security steps then it dismisses the keyguard and then starts the activity. |
| // ActivityTaskManager doesn't hide the notification bar or unlocks the device, but |
| // it can start an activity on top of the locked screen. |
| if (!mKeyguardStateController.isUnlocked() |
| && !mKeyguardStateController.canDismissLockScreen()) { |
| // Device is locked and can't be unlocked without a PIN/pattern/password so we |
| // need to use ActivityTaskManager to start the activity on top of the locked |
| // screen. |
| try { |
| mActivityTaskManager.startActivity(null, |
| mContext.getBasePackageName(), mContext.getAttributionTag(), intent, |
| intent.resolveTypeIfNeeded(mContext.getContentResolver()), null, |
| null, 0, 0, null, null); |
| } catch (RemoteException e) { |
| e.printStackTrace(); |
| Log.e(TAG, "Couldn't start create user activity", e); |
| } |
| } else { |
| mActivityStarter.startActivity(intent, true); |
| } |
| } |
| } |
| } |
| } |
