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/*
* Copyright (C) 2017 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 com.android.launcher3.dot;
import com.android.launcher3.notification.NotificationInfo;
import com.android.launcher3.notification.NotificationKeyData;
import java.util.ArrayList;
import java.util.List;
/**
* Contains data to be used for a notification dot.
*/
public class DotInfo {
public static final int MAX_COUNT = 999;
/**
* The keys of the notifications that this dot represents. These keys can later be
* used to retrieve {@link NotificationInfo}'s.
*/
private final List<NotificationKeyData> mNotificationKeys = new ArrayList<>();
/**
* The current sum of the counts in {@link #mNotificationKeys},
* updated whenever a key is added or removed.
*/
private int mTotalCount;
/**
* Returns whether the notification was added or its count changed.
*/
public boolean addOrUpdateNotificationKey(NotificationKeyData notificationKey) {
int indexOfPrevKey = mNotificationKeys.indexOf(notificationKey);
NotificationKeyData prevKey = indexOfPrevKey == -1 ? null
: mNotificationKeys.get(indexOfPrevKey);
if (prevKey != null) {
if (prevKey.count == notificationKey.count) {
return false;
}
// Notification was updated with a new count.
mTotalCount -= prevKey.count;
mTotalCount += notificationKey.count;
prevKey.count = notificationKey.count;
return true;
}
boolean added = mNotificationKeys.add(notificationKey);
if (added) {
mTotalCount += notificationKey.count;
}
return added;
}
/**
* Returns whether the notification was removed (false if it didn't exist).
*/
public boolean removeNotificationKey(NotificationKeyData notificationKey) {
boolean removed = mNotificationKeys.remove(notificationKey);
if (removed) {
mTotalCount -= notificationKey.count;
}
return removed;
}
public List<NotificationKeyData> getNotificationKeys() {
return mNotificationKeys;
}
public int getNotificationCount() {
return Math.min(mTotalCount, MAX_COUNT);
}
}
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