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/*
* Copyright (C) 2021 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 android.os;
import android.annotation.NonNull;
import android.util.TypedXmlPullParser;
import android.util.TypedXmlSerializer;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import java.io.IOException;
import java.io.PrintWriter;
/**
* Contains power consumption data across the entire device.
*
* {@hide}
*/
public final class AggregateBatteryConsumer extends BatteryConsumer implements Parcelable {
private final double mConsumedPowerMah;
public AggregateBatteryConsumer(@NonNull Builder builder) {
super(builder.mPowerComponentsBuilder.build());
mConsumedPowerMah = builder.mConsumedPowerMah;
}
private AggregateBatteryConsumer(@NonNull Parcel source) {
super(new PowerComponents(source));
mConsumedPowerMah = source.readDouble();
}
@Override
public void dump(PrintWriter pw, boolean skipEmptyComponents) {
mPowerComponents.dump(pw, skipEmptyComponents);
}
@Override
public void writeToParcel(@NonNull Parcel dest, int flags) {
super.writeToParcel(dest, flags);
dest.writeDouble(mConsumedPowerMah);
}
@Override
public int describeContents() {
return 0;
}
@NonNull
public static final Creator<AggregateBatteryConsumer> CREATOR =
new Creator<AggregateBatteryConsumer>() {
public AggregateBatteryConsumer createFromParcel(@NonNull Parcel source) {
return new AggregateBatteryConsumer(source);
}
public AggregateBatteryConsumer[] newArray(int size) {
return new AggregateBatteryConsumer[size];
}
};
@Override
public double getConsumedPower() {
return mConsumedPowerMah;
}
/** Serializes this object to XML */
void writeToXml(TypedXmlSerializer serializer,
@BatteryUsageStats.AggregateBatteryConsumerScope int scope) throws IOException {
serializer.startTag(null, BatteryUsageStats.XML_TAG_AGGREGATE);
serializer.attributeInt(null, BatteryUsageStats.XML_ATTR_SCOPE, scope);
serializer.attributeDouble(null, BatteryUsageStats.XML_ATTR_POWER, mConsumedPowerMah);
mPowerComponents.writeToXml(serializer);
serializer.endTag(null, BatteryUsageStats.XML_TAG_AGGREGATE);
}
/** Parses an XML representation and populates the BatteryUsageStats builder */
static void parseXml(TypedXmlPullParser parser, BatteryUsageStats.Builder builder)
throws XmlPullParserException, IOException {
final int scope = parser.getAttributeInt(null, BatteryUsageStats.XML_ATTR_SCOPE);
final Builder consumerBuilder = builder.getAggregateBatteryConsumerBuilder(scope);
int eventType = parser.getEventType();
if (eventType != XmlPullParser.START_TAG || !parser.getName().equals(
BatteryUsageStats.XML_TAG_AGGREGATE)) {
throw new XmlPullParserException("Invalid XML parser state");
}
consumerBuilder.setConsumedPower(
parser.getAttributeDouble(null, BatteryUsageStats.XML_ATTR_POWER));
while (!(eventType == XmlPullParser.END_TAG && parser.getName().equals(
BatteryUsageStats.XML_TAG_AGGREGATE))
&& eventType != XmlPullParser.END_DOCUMENT) {
if (eventType == XmlPullParser.START_TAG) {
if (parser.getName().equals(BatteryUsageStats.XML_TAG_POWER_COMPONENTS)) {
PowerComponents.parseXml(parser, consumerBuilder.mPowerComponentsBuilder);
}
}
eventType = parser.next();
}
}
/**
* Builder for DeviceBatteryConsumer.
*/
public static final class Builder extends BaseBuilder<AggregateBatteryConsumer.Builder> {
private double mConsumedPowerMah;
public Builder(@NonNull String[] customPowerComponentNames, boolean includePowerModels) {
super(customPowerComponentNames, includePowerModels);
}
/**
* Sets the total power included in this aggregate.
*/
public Builder setConsumedPower(double consumedPowerMah) {
mConsumedPowerMah = consumedPowerMah;
return this;
}
/**
* Adds power and usage duration from the supplied AggregateBatteryConsumer.
*/
public void add(AggregateBatteryConsumer aggregateBatteryConsumer) {
mConsumedPowerMah += aggregateBatteryConsumer.mConsumedPowerMah;
mPowerComponentsBuilder.addPowerAndDuration(aggregateBatteryConsumer.mPowerComponents);
}
/**
* Creates a read-only object out of the Builder values.
*/
@NonNull
public AggregateBatteryConsumer build() {
return new AggregateBatteryConsumer(this);
}
}
}
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