| /* |
| * Copyright (C) 2015 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.internal.statusbar; |
| |
| import android.os.Message; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| import android.util.Log; |
| |
| import java.util.ArrayDeque; |
| import java.util.Collection; |
| |
| public class NotificationVisibility implements Parcelable { |
| private static final String TAG = "NoViz"; |
| private static final int MAX_POOL_SIZE = 25; |
| private static ArrayDeque<NotificationVisibility> sPool = new ArrayDeque<>(MAX_POOL_SIZE); |
| private static int sNexrId = 0; |
| |
| public String key; |
| public int rank; |
| public boolean visible = true; |
| /*package*/ int id; |
| |
| private NotificationVisibility() { |
| id = sNexrId++; |
| } |
| |
| private NotificationVisibility(String key, int rank, boolean visibile) { |
| this(); |
| this.key = key; |
| this.rank = rank; |
| this.visible = visibile; |
| } |
| |
| @Override |
| public String toString() { |
| return "NotificationVisibility(id=" + id |
| + "key=" + key |
| + " rank=" + rank |
| + (visible?" visible":"") |
| + " )"; |
| } |
| |
| @Override |
| public NotificationVisibility clone() { |
| return obtain(this.key, this.rank, this.visible); |
| } |
| |
| @Override |
| public int hashCode() { |
| // allow lookups by key, which _should_ never be null. |
| return key == null ? 0 : key.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object that) { |
| // allow lookups by key, which _should_ never be null. |
| if (that instanceof NotificationVisibility) { |
| NotificationVisibility thatViz = (NotificationVisibility) that; |
| return (key == null && thatViz.key == null) || key.equals(thatViz.key); |
| } |
| return false; |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel out, int flags) { |
| out.writeString(this.key); |
| out.writeInt(this.rank); |
| out.writeInt(this.visible ? 1 : 0); |
| } |
| |
| private void readFromParcel(Parcel in) { |
| this.key = in.readString(); |
| this.rank = in.readInt(); |
| this.visible = in.readInt() != 0; |
| } |
| |
| /** |
| * Return a new NotificationVisibility instance from the global pool. Allows us to |
| * avoid allocating new objects in many cases. |
| */ |
| public static NotificationVisibility obtain(String key, int rank, boolean visible) { |
| NotificationVisibility vo = obtain(); |
| vo.key = key; |
| vo.rank = rank; |
| vo.visible = visible; |
| return vo; |
| } |
| |
| private static NotificationVisibility obtain(Parcel in) { |
| NotificationVisibility vo = obtain(); |
| vo.readFromParcel(in); |
| return vo; |
| } |
| |
| private static NotificationVisibility obtain() { |
| synchronized (sPool) { |
| if (!sPool.isEmpty()) { |
| return sPool.poll(); |
| } |
| } |
| return new NotificationVisibility(); |
| } |
| |
| /** |
| * Return a NotificationVisibility instance to the global pool. |
| * <p> |
| * You MUST NOT touch the NotificationVisibility after calling this function because it has |
| * effectively been freed. |
| * </p> |
| */ |
| public void recycle() { |
| if (key == null) { |
| // do nothing on multiple recycles |
| return; |
| } |
| key = null; |
| if (sPool.size() < MAX_POOL_SIZE) { |
| synchronized (sPool) { |
| sPool.offer(this); |
| } |
| } |
| } |
| |
| /** |
| * Parcelable.Creator that instantiates NotificationVisibility objects |
| */ |
| public static final Parcelable.Creator<NotificationVisibility> CREATOR |
| = new Parcelable.Creator<NotificationVisibility>() |
| { |
| public NotificationVisibility createFromParcel(Parcel parcel) |
| { |
| return obtain(parcel); |
| } |
| |
| public NotificationVisibility[] newArray(int size) |
| { |
| return new NotificationVisibility[size]; |
| } |
| }; |
| } |
| |