89 lines
2.8 KiB
Java
89 lines
2.8 KiB
Java
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/*
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* Copyright (C) 2016 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 android.os.health;
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import android.annotation.TestApi;
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import android.compat.annotation.UnsupportedAppUsage;
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import android.os.Build;
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import android.os.Parcel;
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import android.os.Parcelable;
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/**
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* Class to allow sending the HealthStats through aidl generated glue.
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*
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* The alternative would be to send a HealthStats object, which would
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* require constructing one, and then immediately flattening it. This
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* saves that step at the cost of doing the extra flattening when
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* accessed in the same process as the writer.
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*
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* The HealthStatsWriter passed in the constructor is retained, so don't
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* reuse them.
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* @hide
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*/
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@TestApi
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public class HealthStatsParceler implements Parcelable {
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private HealthStatsWriter mWriter;
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private HealthStats mHealthStats;
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@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
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public static final @android.annotation.NonNull Parcelable.Creator<HealthStatsParceler> CREATOR
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= new Parcelable.Creator<HealthStatsParceler>() {
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public HealthStatsParceler createFromParcel(Parcel in) {
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return new HealthStatsParceler(in);
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}
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public HealthStatsParceler[] newArray(int size) {
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return new HealthStatsParceler[size];
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}
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};
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public HealthStatsParceler(HealthStatsWriter writer) {
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mWriter = writer;
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}
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public HealthStatsParceler(Parcel in) {
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mHealthStats = new HealthStats(in);
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}
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public int describeContents() {
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return 0;
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}
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public void writeToParcel(Parcel out, int flags) {
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// See comment on mWriter declaration above.
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if (mWriter != null) {
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mWriter.flattenToParcel(out);
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} else {
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throw new RuntimeException("Can not re-parcel HealthStatsParceler that was"
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+ " constructed from a Parcel");
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}
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}
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public HealthStats getHealthStats() {
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if (mWriter != null) {
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final Parcel parcel = Parcel.obtain();
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mWriter.flattenToParcel(parcel);
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parcel.setDataPosition(0);
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mHealthStats = new HealthStats(parcel);
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parcel.recycle();
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}
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return mHealthStats;
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}
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}
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