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/*
* Copyright (C) 2022 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.service.ambientcontext;
import android.annotation.NonNull;
import android.annotation.SuppressLint;
import android.annotation.SystemApi;
import android.app.ambientcontext.AmbientContextEvent;
import android.os.Parcelable;
import com.android.internal.util.AnnotationValidations;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
/**
* Represents a {@code AmbientContextEvent} detection result reported by the detection service.
*
* @hide
*/
@SystemApi
public final class AmbientContextDetectionResult implements Parcelable {
/**
* The bundle key for this class of object, used in {@code RemoteCallback#sendResult}.
*
* @hide
*/
public static final String RESULT_RESPONSE_BUNDLE_KEY =
"android.app.ambientcontext.AmbientContextDetectionResultBundleKey";
@NonNull private final List<AmbientContextEvent> mEvents;
@NonNull private final String mPackageName;
AmbientContextDetectionResult(
@NonNull List<AmbientContextEvent> events,
@NonNull String packageName) {
this.mEvents = events;
AnnotationValidations.validate(NonNull.class, null, mEvents);
this.mPackageName = packageName;
AnnotationValidations.validate(NonNull.class, null, mPackageName);
}
/**
* A list of detected event.
*/
@SuppressLint("ConcreteCollection")
public @NonNull List<AmbientContextEvent> getEvents() {
return mEvents;
}
/**
* The package to deliver the response to.
*/
public @NonNull String getPackageName() {
return mPackageName;
}
@Override
public String toString() {
return "AmbientContextEventResponse { "
+ "events = " + mEvents + ", " + "packageName = " + mPackageName + " }";
}
@Override
public void writeToParcel(@NonNull android.os.Parcel dest, int flags) {
byte flg = 0;
dest.writeByte(flg);
dest.writeParcelableList(mEvents, flags);
dest.writeString(mPackageName);
}
@Override
public int describeContents() {
return 0;
}
/** @hide */
@SuppressWarnings({"unchecked", "RedundantCast"})
AmbientContextDetectionResult(@NonNull android.os.Parcel in) {
byte flg = in.readByte();
ArrayList<AmbientContextEvent> events = new ArrayList<>();
in.readParcelableList(events, AmbientContextEvent.class.getClassLoader(),
AmbientContextEvent.class);
String packageName = in.readString();
this.mEvents = events;
AnnotationValidations.validate(
NonNull.class, null, mEvents);
this.mPackageName = packageName;
AnnotationValidations.validate(
NonNull.class, null, mPackageName);
}
public static final @NonNull Creator<AmbientContextDetectionResult> CREATOR =
new Creator<AmbientContextDetectionResult>() {
@Override
public AmbientContextDetectionResult[] newArray(int size) {
return new AmbientContextDetectionResult[size];
}
@Override
public AmbientContextDetectionResult createFromParcel(@NonNull android.os.Parcel in) {
return new AmbientContextDetectionResult(in);
}
};
/**
* A builder for {@link AmbientContextDetectionResult}
*/
@SuppressWarnings("WeakerAccess")
public static final class Builder {
private @NonNull ArrayList<AmbientContextEvent> mEvents;
private @NonNull String mPackageName;
private long mBuilderFieldsSet = 0L;
public Builder(@NonNull String packageName) {
Objects.requireNonNull(packageName);
mPackageName = packageName;
}
/**
* Adds an event to the builder.
*/
public @NonNull Builder addEvent(@NonNull AmbientContextEvent value) {
checkNotUsed();
if (mEvents == null) {
mBuilderFieldsSet |= 0x1;
mEvents = new ArrayList<>();
}
mEvents.add(value);
return this;
}
/**
* Adds a list of events to the builder.
*/
public @NonNull Builder addEvents(@NonNull List<AmbientContextEvent> values) {
checkNotUsed();
if (mEvents == null) {
mBuilderFieldsSet |= 0x1;
mEvents = new ArrayList<>();
}
mEvents.addAll(values);
return this;
}
/**
* Clears all events from the builder.
*/
public @NonNull Builder clearEvents() {
checkNotUsed();
if (mEvents != null) {
mEvents.clear();
}
return this;
}
/** Builds the instance. This builder should not be touched after calling this! */
public @NonNull AmbientContextDetectionResult build() {
checkNotUsed();
mBuilderFieldsSet |= 0x2; // Mark builder used
if ((mBuilderFieldsSet & 0x1) == 0) {
mEvents = new ArrayList<>();
}
AmbientContextDetectionResult o = new AmbientContextDetectionResult(
mEvents,
mPackageName);
return o;
}
private void checkNotUsed() {
if ((mBuilderFieldsSet & 0x2) != 0) {
throw new IllegalStateException(
"This Builder should not be reused. Use a new Builder instance instead");
}
}
}
}
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