Sunny Goyal
65 lines
2.1 KiB
Java
65 lines
2.1 KiB
Java
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3.compat;
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import android.annotation.TargetApi;
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import android.content.Context;
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import android.os.Build;
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import android.os.UserManager;
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import com.android.launcher3.util.LongArrayMap;
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@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
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public class UserManagerCompatV17 extends UserManagerCompatV16 {
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protected LongArrayMap<UserHandleCompat> mUsers;
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protected UserManager mUserManager;
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UserManagerCompatV17(Context context) {
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mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
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}
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public long getSerialNumberForUser(UserHandleCompat user) {
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synchronized (this) {
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if (mUsers != null) {
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int index = mUsers.indexOfValue(user);
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return (index >= 0) ? mUsers.keyAt(index) : 0;
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}
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}
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return mUserManager.getSerialNumberForUser(user.getUser());
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}
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public UserHandleCompat getUserForSerialNumber(long serialNumber) {
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synchronized (this) {
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if (mUsers != null) {
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return mUsers.get(serialNumber);
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}
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}
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return UserHandleCompat.fromUser(mUserManager.getUserForSerialNumber(serialNumber));
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}
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@Override
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public void enableAndResetCache() {
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synchronized (this) {
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mUsers = new LongArrayMap<UserHandleCompat>();
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UserHandleCompat myUser = UserHandleCompat.myUserHandle();
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mUsers.put(mUserManager.getSerialNumberForUser(myUser.getUser()), myUser);
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}
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}
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}
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