Merge "1. Replace use of java.util.HashSet with android.util.ArraySet in...

package com.android.launcher3.notification;

import android.annotation.TargetApi;

import android.app.Notification;

import android.app.NotificationChannel;

import android.os.Build;

import android.os.Handler;

import android.os.Looper;

import android.os.Message;

import android.service.notification.StatusBarNotification;

import android.support.annotation.Nullable;

import android.text.TextUtils;

import android.util.ArraySet;

import android.util.Pair;

import com.android.launcher3.LauncherModel;

import com.android.launcher3.config.FeatureFlags;

import com.android.launcher3.util.PackageUserKey;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Collections;

import java.util.HashSet;

import java.util.List;

import java.util.Set;

 * as well and when this service first connects. An instance of NotificationListener,

 * and its methods for getting notifications, can be obtained via {@link #getInstanceIfConnected()}.

 */

@TargetApi(Build.VERSION_CODES.O)

public class NotificationListener extends NotificationListenerService {

    private static final int MSG_NOTIFICATION_POSTED = 1;

    private final Handler mWorkerHandler;

    private final Handler mUiHandler;

    private Ranking mTempRanking = new Ranking();

    private final Ranking mTempRanking = new Ranking();

    private Handler.Callback mWorkerCallback = new Handler.Callback() {

    private final Handler.Callback mWorkerCallback = new Handler.Callback() {

        @Override

        public boolean handleMessage(Message message) {

            switch (message.what) {

        }

    };

    private Handler.Callback mUiCallback = new Handler.Callback() {

    private final Handler.Callback mUiCallback = new Handler.Callback() {

        @Override

        public boolean handleMessage(Message message) {

            switch (message.what) {

     * An object containing data to send to MSG_NOTIFICATION_POSTED targets.

     */

    private class NotificationPostedMsg {

        PackageUserKey packageUserKey;

        NotificationKeyData notificationKey;

        boolean shouldBeFilteredOut;

        final PackageUserKey packageUserKey;

        final NotificationKeyData notificationKey;

        final boolean shouldBeFilteredOut;

        NotificationPostedMsg(StatusBarNotification sbn) {

            packageUserKey = PackageUserKey.fromNotification(sbn);

        StatusBarNotification[] notifications = NotificationListener.this

                .getActiveNotifications(NotificationKeyData.extractKeysOnly(keys)

                        .toArray(new String[keys.size()]));

        return notifications == null ? Collections.EMPTY_LIST : Arrays.asList(notifications);

        return notifications == null

            ? Collections.<StatusBarNotification>emptyList() : Arrays.asList(notifications);

    }

    /**

    private List<StatusBarNotification> filterNotifications(

            StatusBarNotification[] notifications) {

        if (notifications == null) return null;

        Set<Integer> removedNotifications = new HashSet<>();

        Set<Integer> removedNotifications = new ArraySet<>();

        for (int i = 0; i < notifications.length; i++) {

            if (shouldBeFilteredOut(notifications[i])) {

                removedNotifications.add(i);