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/*
* 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.launcher3.compat;
import android.annotation.TargetApi;
import android.content.Context;
import android.os.Build;
import android.os.UserManager;
import com.android.launcher3.util.LongArrayMap;
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
public class UserManagerCompatV17 extends UserManagerCompatV16 {
protected LongArrayMap<UserHandleCompat> mUsers;
protected UserManager mUserManager;
UserManagerCompatV17(Context context) {
mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
}
public long getSerialNumberForUser(UserHandleCompat user) {
synchronized (this) {
if (mUsers != null) {
int index = mUsers.indexOfValue(user);
return (index >= 0) ? mUsers.keyAt(index) : 0;
}
}
return mUserManager.getSerialNumberForUser(user.getUser());
}
public UserHandleCompat getUserForSerialNumber(long serialNumber) {
synchronized (this) {
if (mUsers != null) {
return mUsers.get(serialNumber);
}
}
return UserHandleCompat.fromUser(mUserManager.getUserForSerialNumber(serialNumber));
}
@Override
public void enableAndResetCache() {
synchronized (this) {
mUsers = new LongArrayMap<UserHandleCompat>();
UserHandleCompat myUser = UserHandleCompat.myUserHandle();
mUsers.put(mUserManager.getSerialNumberForUser(myUser.getUser()), myUser);
}
}
}
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