private void removeUserStateLocked(final int userHandle) {
// Cleanup package manager settings
mPm.cleanUpUserLILPw(userHandle);
// Remove this user from the list
mUsers.remove(userHandle);
// Have user ID linger for several seconds to let external storage VFS
// cache entries expire. This must be greater than the 'entry_valid'
// timeout used by the FUSE daemon.
mHandler.postDelayed(
new Runnable() {
@Override
public void run() {
synchronized (mPackagesLock) {
mRemovingUserIds.delete(userHandle);
}
}
},
MINUTE_IN_MILLIS);
// Remove user file
AtomicFile userFile = new AtomicFile(new File(mUsersDir, userHandle + ".xml"));
userFile.delete();
// Update the user list
writeUserListLocked();
updateUserIdsLocked();
removeDirectoryRecursive(Environment.getUserSystemDirectory(userHandle));
}
@Override
public UserInfo createUser(String name, int flags) {
checkManageUsersPermission("Only the system can create users");
final long ident = Binder.clearCallingIdentity();
final UserInfo userInfo;
try {
synchronized (mInstallLock) {
synchronized (mPackagesLock) {
if (isUserLimitReachedLocked()) return null;
int userId = getNextAvailableIdLocked();
userInfo = new UserInfo(userId, name, null, flags);
File userPath = new File(mBaseUserPath, Integer.toString(userId));
userInfo.serialNumber = mNextSerialNumber++;
long now = System.currentTimeMillis();
userInfo.creationTime = (now > EPOCH_PLUS_30_YEARS) ? now : 0;
userInfo.partial = true;
Environment.getUserSystemDirectory(userInfo.id).mkdirs();
mUsers.put(userId, userInfo);
writeUserListLocked();
writeUserLocked(userInfo);
mPm.createNewUserLILPw(userId, userPath);
userInfo.partial = false;
writeUserLocked(userInfo);
updateUserIdsLocked();
}
}
if (userInfo != null) {
Intent addedIntent = new Intent(Intent.ACTION_USER_ADDED);
addedIntent.putExtra(Intent.EXTRA_USER_HANDLE, userInfo.id);
mContext.sendBroadcastAsUser(
addedIntent, UserHandle.ALL, android.Manifest.permission.MANAGE_USERS);
}
} finally {
Binder.restoreCallingIdentity(ident);
}
return userInfo;
}
public class WallpaperBackupHelper extends FileBackupHelperBase implements BackupHelper {
private static final boolean DEBUG = false;
private static final String STAGE_FILE =
(new File(Environment.getUserSystemDirectory(0), "wallpaper-tmp")).getAbsolutePath();
private static final String TAG = "WallpaperBackupHelper";
public static final String WALLPAPER_IMAGE =
(new File(Environment.getUserSystemDirectory(0), "wallpaper")).getAbsolutePath();
public static final String WALLPAPER_IMAGE_KEY =
"/data/data/com.android.settings/files/wallpaper";
public static final String WALLPAPER_INFO =
(new File(Environment.getUserSystemDirectory(0), "wallpaper_info.xml")).getAbsolutePath();
public static final String WALLPAPER_INFO_KEY = "/data/system/wallpaper_info.xml";
Context mContext;
double mDesiredMinHeight;
double mDesiredMinWidth;
String mFiles[];
String mKeys[];
public WallpaperBackupHelper(Context context, String as[], String as1[]) {
super(context);
mContext = context;
mFiles = as;
mKeys = as1;
WallpaperManager wallpapermanager = (WallpaperManager) context.getSystemService("wallpaper");
mDesiredMinWidth = wallpapermanager.getDesiredMinimumWidth();
mDesiredMinHeight = wallpapermanager.getDesiredMinimumHeight();
if (mDesiredMinWidth <= 0.0D || mDesiredMinHeight <= 0.0D) {
Display display = ((WindowManager) context.getSystemService("window")).getDefaultDisplay();
Point point = new Point();
display.getSize(point);
mDesiredMinWidth = point.x;
mDesiredMinHeight = point.y;
}
}
public void performBackup(
ParcelFileDescriptor parcelfiledescriptor,
BackupDataOutput backupdataoutput,
ParcelFileDescriptor parcelfiledescriptor1) {
performBackup_checked(
parcelfiledescriptor, backupdataoutput, parcelfiledescriptor1, mFiles, mKeys);
}
public void restoreEntity(BackupDataInputStream backupdatainputstream) {
String s = backupdatainputstream.getKey();
if (isKeyInList(s, mKeys))
if (s.equals("/data/data/com.android.settings/files/wallpaper")) {
File file = new File(STAGE_FILE);
if (writeFile(file, backupdatainputstream)) {
android.graphics.BitmapFactory.Options options =
new android.graphics.BitmapFactory.Options();
options.inJustDecodeBounds = true;
BitmapFactory.decodeFile(STAGE_FILE, options);
double d = mDesiredMinWidth / (double) options.outWidth;
double d1 = mDesiredMinHeight / (double) options.outHeight;
if (d > 0.0D && d < 1.3300000000000001D && d1 > 0.0D && d1 < 1.3300000000000001D) {
file.renameTo(new File(WALLPAPER_IMAGE));
} else {
file.delete();
return;
}
}
} else if (s.equals("/data/system/wallpaper_info.xml")) {
writeFile(new File(WALLPAPER_INFO), backupdatainputstream);
return;
}
}
public volatile void writeNewStateDescription(ParcelFileDescriptor parcelfiledescriptor) {
super.writeNewStateDescription(parcelfiledescriptor);
}
}