Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.view; |
| 18 | |
| 19 | import android.graphics.Rect; |
| 20 | import android.os.IBinder; |
| 21 | import android.os.Parcel; |
| 22 | import android.os.Parcelable; |
| 23 | import android.util.Pools; |
| 24 | |
| 25 | import java.util.ArrayList; |
| 26 | import java.util.List; |
| 27 | |
| 28 | /** |
| 29 | * This class represents information about a window from the |
| 30 | * window manager to another part of the system. |
| 31 | * |
| 32 | * @hide |
| 33 | */ |
| 34 | public class WindowInfo implements Parcelable { |
| 35 | private static final int MAX_POOL_SIZE = 10; |
| 36 | |
| 37 | private static final Pools.SynchronizedPool<WindowInfo> sPool = |
| 38 | new Pools.SynchronizedPool<WindowInfo>(MAX_POOL_SIZE); |
| 39 | |
| 40 | public int type; |
| 41 | public int layer; |
| 42 | public IBinder token; |
| 43 | public IBinder parentToken; |
| 44 | public boolean focused; |
| 45 | public final Rect boundsInScreen = new Rect(); |
| 46 | public List<IBinder> childTokens; |
Phil Weaver | 396d549 | 2016-03-22 17:53:50 -0700 | [diff] [blame] | 47 | public CharSequence title; |
| 48 | public int accessibilityIdOfAnchor = View.NO_ID; |
Phil Weaver | f00cd14 | 2017-03-03 13:44:00 -0800 | [diff] [blame] | 49 | public boolean inPictureInPicture; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 50 | |
| 51 | private WindowInfo() { |
| 52 | /* do nothing - hide constructor */ |
| 53 | } |
| 54 | |
| 55 | public static WindowInfo obtain() { |
| 56 | WindowInfo window = sPool.acquire(); |
| 57 | if (window == null) { |
| 58 | window = new WindowInfo(); |
| 59 | } |
| 60 | return window; |
| 61 | } |
| 62 | |
| 63 | public static WindowInfo obtain(WindowInfo other) { |
| 64 | WindowInfo window = obtain(); |
| 65 | window.type = other.type; |
| 66 | window.layer = other.layer; |
| 67 | window.token = other.token; |
| 68 | window.parentToken = other.parentToken; |
| 69 | window.focused = other.focused; |
| 70 | window.boundsInScreen.set(other.boundsInScreen); |
Phil Weaver | 396d549 | 2016-03-22 17:53:50 -0700 | [diff] [blame] | 71 | window.title = other.title; |
| 72 | window.accessibilityIdOfAnchor = other.accessibilityIdOfAnchor; |
Phil Weaver | f00cd14 | 2017-03-03 13:44:00 -0800 | [diff] [blame] | 73 | window.inPictureInPicture = other.inPictureInPicture; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 74 | |
| 75 | if (other.childTokens != null && !other.childTokens.isEmpty()) { |
| 76 | if (window.childTokens == null) { |
| 77 | window.childTokens = new ArrayList<IBinder>(other.childTokens); |
| 78 | } else { |
| 79 | window.childTokens.addAll(other.childTokens); |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | return window; |
| 84 | } |
| 85 | |
| 86 | public void recycle() { |
| 87 | clear(); |
| 88 | sPool.release(this); |
| 89 | } |
| 90 | |
| 91 | @Override |
| 92 | public int describeContents() { |
| 93 | return 0; |
| 94 | } |
| 95 | |
| 96 | @Override |
| 97 | public void writeToParcel(Parcel parcel, int flags) { |
| 98 | parcel.writeInt(type); |
| 99 | parcel.writeInt(layer); |
| 100 | parcel.writeStrongBinder(token); |
| 101 | parcel.writeStrongBinder(parentToken); |
| 102 | parcel.writeInt(focused ? 1 : 0); |
| 103 | boundsInScreen.writeToParcel(parcel, flags); |
Phil Weaver | 396d549 | 2016-03-22 17:53:50 -0700 | [diff] [blame] | 104 | parcel.writeCharSequence(title); |
| 105 | parcel.writeInt(accessibilityIdOfAnchor); |
Phil Weaver | f00cd14 | 2017-03-03 13:44:00 -0800 | [diff] [blame] | 106 | parcel.writeInt(inPictureInPicture ? 1 : 0); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 107 | |
| 108 | if (childTokens != null && !childTokens.isEmpty()) { |
| 109 | parcel.writeInt(1); |
| 110 | parcel.writeBinderList(childTokens); |
| 111 | } else { |
| 112 | parcel.writeInt(0); |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | @Override |
| 117 | public String toString() { |
| 118 | StringBuilder builder = new StringBuilder(); |
| 119 | builder.append("WindowInfo["); |
Phil Weaver | 396d549 | 2016-03-22 17:53:50 -0700 | [diff] [blame] | 120 | builder.append("title=").append(title); |
| 121 | builder.append(", type=").append(type); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 122 | builder.append(", layer=").append(layer); |
| 123 | builder.append(", token=").append(token); |
Svetoslav | f7174e8 | 2014-06-12 11:29:35 -0700 | [diff] [blame] | 124 | builder.append(", bounds=").append(boundsInScreen); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 125 | builder.append(", parent=").append(parentToken); |
| 126 | builder.append(", focused=").append(focused); |
| 127 | builder.append(", children=").append(childTokens); |
Phil Weaver | 396d549 | 2016-03-22 17:53:50 -0700 | [diff] [blame] | 128 | builder.append(", accessibility anchor=").append(accessibilityIdOfAnchor); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 129 | builder.append(']'); |
| 130 | return builder.toString(); |
| 131 | } |
| 132 | |
| 133 | private void initFromParcel(Parcel parcel) { |
| 134 | type = parcel.readInt(); |
| 135 | layer = parcel.readInt(); |
| 136 | token = parcel.readStrongBinder(); |
| 137 | parentToken = parcel.readStrongBinder(); |
| 138 | focused = (parcel.readInt() == 1); |
| 139 | boundsInScreen.readFromParcel(parcel); |
Phil Weaver | 396d549 | 2016-03-22 17:53:50 -0700 | [diff] [blame] | 140 | title = parcel.readCharSequence(); |
| 141 | accessibilityIdOfAnchor = parcel.readInt(); |
Phil Weaver | f00cd14 | 2017-03-03 13:44:00 -0800 | [diff] [blame] | 142 | inPictureInPicture = (parcel.readInt() == 1); |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 143 | |
| 144 | final boolean hasChildren = (parcel.readInt() == 1); |
| 145 | if (hasChildren) { |
| 146 | if (childTokens == null) { |
| 147 | childTokens = new ArrayList<IBinder>(); |
| 148 | } |
| 149 | parcel.readBinderList(childTokens); |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | private void clear() { |
| 154 | type = 0; |
| 155 | layer = 0; |
| 156 | token = null; |
| 157 | parentToken = null; |
| 158 | focused = false; |
| 159 | boundsInScreen.setEmpty(); |
| 160 | if (childTokens != null) { |
| 161 | childTokens.clear(); |
| 162 | } |
Phil Weaver | f00cd14 | 2017-03-03 13:44:00 -0800 | [diff] [blame] | 163 | inPictureInPicture = false; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 164 | } |
| 165 | |
| 166 | public static final Parcelable.Creator<WindowInfo> CREATOR = |
| 167 | new Creator<WindowInfo>() { |
| 168 | @Override |
| 169 | public WindowInfo createFromParcel(Parcel parcel) { |
| 170 | WindowInfo window = obtain(); |
| 171 | window.initFromParcel(parcel); |
| 172 | return window; |
| 173 | } |
| 174 | |
| 175 | @Override |
| 176 | public WindowInfo[] newArray(int size) { |
| 177 | return new WindowInfo[size]; |
| 178 | } |
| 179 | }; |
| 180 | } |