Wale Ogunwale | 822e512 | 2017-07-26 06:02:24 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 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.app; |
| 18 | |
| 19 | import android.annotation.IntDef; |
| 20 | import android.annotation.NonNull; |
| 21 | import android.content.res.Configuration; |
| 22 | import android.graphics.Rect; |
| 23 | import android.os.Parcel; |
| 24 | import android.os.Parcelable; |
| 25 | import android.view.DisplayInfo; |
| 26 | |
| 27 | import java.lang.annotation.Retention; |
| 28 | import java.lang.annotation.RetentionPolicy; |
| 29 | |
| 30 | /** |
| 31 | * Class that contains windowing configuration/state for other objects that contain windows directly |
| 32 | * or indirectly. E.g. Activities, Task, Displays, ... |
| 33 | * The test class is {@link com.android.server.wm.WindowConfigurationTests} which must be kept |
| 34 | * up-to-date and ran anytime changes are made to this class. |
| 35 | * @hide |
| 36 | */ |
| 37 | public class WindowConfiguration implements Parcelable, Comparable<WindowConfiguration> { |
| 38 | |
| 39 | /** |
| 40 | * {@link android.graphics.Rect} defining app bounds. The dimensions override usages of |
| 41 | * {@link DisplayInfo#appHeight} and {@link DisplayInfo#appWidth} and mirrors these values at |
| 42 | * the display level. Lower levels can override these values to provide custom bounds to enforce |
| 43 | * features such as a max aspect ratio. |
| 44 | */ |
| 45 | private Rect mAppBounds; |
| 46 | |
Wale Ogunwale | 687b427 | 2017-07-27 02:56:23 -0700 | [diff] [blame] | 47 | /** The current windowing mode of the configuration. */ |
| 48 | private @WindowingMode int mWindowingMode; |
| 49 | |
| 50 | /** Windowing mode is currently not defined. */ |
| 51 | public static final int WINDOWING_MODE_UNDEFINED = 0; |
| 52 | /** Occupies the full area of the screen or the parent container. */ |
| 53 | public static final int WINDOWING_MODE_FULLSCREEN = 1; |
| 54 | /** Always on-top (always visible). of other siblings in its parent container. */ |
| 55 | public static final int WINDOWING_MODE_PINNED = 2; |
| 56 | /** Occupies a dedicated region of the screen or its parent container. */ |
| 57 | public static final int WINDOWING_MODE_DOCKED = 3; |
| 58 | /** Can be freely resized within its parent container. */ |
| 59 | public static final int WINDOWING_MODE_FREEFORM = 4; |
| 60 | |
| 61 | @IntDef(value = { |
| 62 | WINDOWING_MODE_UNDEFINED, |
| 63 | WINDOWING_MODE_FULLSCREEN, |
| 64 | WINDOWING_MODE_PINNED, |
| 65 | WINDOWING_MODE_DOCKED, |
| 66 | WINDOWING_MODE_FREEFORM, |
| 67 | }) |
Wale Ogunwale | 822e512 | 2017-07-26 06:02:24 -0700 | [diff] [blame] | 68 | @Retention(RetentionPolicy.SOURCE) |
Wale Ogunwale | 687b427 | 2017-07-27 02:56:23 -0700 | [diff] [blame] | 69 | public @interface WindowingMode {} |
Wale Ogunwale | 822e512 | 2017-07-26 06:02:24 -0700 | [diff] [blame] | 70 | |
| 71 | /** Bit that indicates that the {@link #mAppBounds} changed. */ |
| 72 | public static final int WINDOW_CONFIG_APP_BOUNDS = 1 << 0; |
Wale Ogunwale | 687b427 | 2017-07-27 02:56:23 -0700 | [diff] [blame] | 73 | /** Bit that indicates that the {@link #mWindowingMode} changed. */ |
| 74 | public static final int WINDOW_CONFIG_WINDOWING_MODE = 1 << 1; |
| 75 | |
| 76 | @IntDef(flag = true, |
| 77 | value = { |
| 78 | WINDOW_CONFIG_APP_BOUNDS, |
| 79 | WINDOW_CONFIG_WINDOWING_MODE, |
| 80 | }) |
| 81 | @Retention(RetentionPolicy.SOURCE) |
| 82 | public @interface WindowConfig {} |
Wale Ogunwale | 822e512 | 2017-07-26 06:02:24 -0700 | [diff] [blame] | 83 | |
| 84 | public WindowConfiguration() { |
| 85 | unset(); |
| 86 | } |
| 87 | |
| 88 | public WindowConfiguration(WindowConfiguration configuration) { |
| 89 | setTo(configuration); |
| 90 | } |
| 91 | |
| 92 | private WindowConfiguration(Parcel in) { |
| 93 | readFromParcel(in); |
| 94 | } |
| 95 | |
| 96 | @Override |
| 97 | public void writeToParcel(Parcel dest, int flags) { |
| 98 | dest.writeParcelable(mAppBounds, flags); |
Wale Ogunwale | 687b427 | 2017-07-27 02:56:23 -0700 | [diff] [blame] | 99 | dest.writeInt(mWindowingMode); |
Wale Ogunwale | 822e512 | 2017-07-26 06:02:24 -0700 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | private void readFromParcel(Parcel source) { |
| 103 | mAppBounds = source.readParcelable(Rect.class.getClassLoader()); |
Wale Ogunwale | 687b427 | 2017-07-27 02:56:23 -0700 | [diff] [blame] | 104 | mWindowingMode = source.readInt(); |
Wale Ogunwale | 822e512 | 2017-07-26 06:02:24 -0700 | [diff] [blame] | 105 | } |
| 106 | |
| 107 | @Override |
| 108 | public int describeContents() { |
| 109 | return 0; |
| 110 | } |
| 111 | |
| 112 | public static final Creator<WindowConfiguration> CREATOR = new Creator<WindowConfiguration>() { |
| 113 | @Override |
| 114 | public WindowConfiguration createFromParcel(Parcel in) { |
| 115 | return new WindowConfiguration(in); |
| 116 | } |
| 117 | |
| 118 | @Override |
| 119 | public WindowConfiguration[] newArray(int size) { |
| 120 | return new WindowConfiguration[size]; |
| 121 | } |
| 122 | }; |
| 123 | |
| 124 | /** |
| 125 | * Set {@link #mAppBounds} to the input Rect. |
| 126 | * @param rect The rect value to set {@link #mAppBounds} to. |
| 127 | * @see #getAppBounds() |
| 128 | */ |
| 129 | public void setAppBounds(Rect rect) { |
| 130 | if (rect == null) { |
| 131 | mAppBounds = null; |
| 132 | return; |
| 133 | } |
| 134 | |
| 135 | setAppBounds(rect.left, rect.top, rect.right, rect.bottom); |
| 136 | } |
| 137 | |
| 138 | /** |
| 139 | * @see #setAppBounds(Rect) |
| 140 | * @see #getAppBounds() |
| 141 | */ |
| 142 | public void setAppBounds(int left, int top, int right, int bottom) { |
| 143 | if (mAppBounds == null) { |
| 144 | mAppBounds = new Rect(); |
| 145 | } |
| 146 | |
| 147 | mAppBounds.set(left, top, right, bottom); |
| 148 | } |
| 149 | |
| 150 | /** |
| 151 | * @see #setAppBounds(Rect) |
| 152 | */ |
| 153 | public Rect getAppBounds() { |
| 154 | return mAppBounds; |
| 155 | } |
| 156 | |
Wale Ogunwale | 687b427 | 2017-07-27 02:56:23 -0700 | [diff] [blame] | 157 | public void setWindowingMode(@WindowingMode int windowingMode) { |
| 158 | mWindowingMode = windowingMode; |
| 159 | } |
| 160 | |
| 161 | @WindowingMode |
| 162 | public int getWindowingMode() { |
| 163 | return mWindowingMode; |
| 164 | } |
| 165 | |
Wale Ogunwale | 822e512 | 2017-07-26 06:02:24 -0700 | [diff] [blame] | 166 | public void setTo(WindowConfiguration other) { |
| 167 | setAppBounds(other.mAppBounds); |
Wale Ogunwale | 687b427 | 2017-07-27 02:56:23 -0700 | [diff] [blame] | 168 | setWindowingMode(other.mWindowingMode); |
Wale Ogunwale | 822e512 | 2017-07-26 06:02:24 -0700 | [diff] [blame] | 169 | } |
| 170 | |
| 171 | /** Set this object to completely undefined. */ |
| 172 | public void unset() { |
| 173 | setToDefaults(); |
| 174 | } |
| 175 | |
| 176 | public void setToDefaults() { |
| 177 | setAppBounds(null); |
Wale Ogunwale | 687b427 | 2017-07-27 02:56:23 -0700 | [diff] [blame] | 178 | setWindowingMode(WINDOWING_MODE_UNDEFINED); |
Wale Ogunwale | 822e512 | 2017-07-26 06:02:24 -0700 | [diff] [blame] | 179 | } |
| 180 | |
| 181 | /** |
| 182 | * Copies the fields from delta into this Configuration object, keeping |
| 183 | * track of which ones have changed. Any undefined fields in {@code delta} |
| 184 | * are ignored and not copied in to the current Configuration. |
| 185 | * |
| 186 | * @return a bit mask of the changed fields, as per {@link #diff} |
| 187 | */ |
| 188 | public @WindowConfig int updateFrom(@NonNull WindowConfiguration delta) { |
| 189 | int changed = 0; |
| 190 | if (delta.mAppBounds != null && !delta.mAppBounds.equals(mAppBounds)) { |
| 191 | changed |= WINDOW_CONFIG_APP_BOUNDS; |
| 192 | setAppBounds(delta.mAppBounds); |
| 193 | } |
Wale Ogunwale | 687b427 | 2017-07-27 02:56:23 -0700 | [diff] [blame] | 194 | if (delta.mWindowingMode != WINDOWING_MODE_UNDEFINED |
| 195 | && mWindowingMode != delta.mWindowingMode) { |
| 196 | changed |= WINDOW_CONFIG_WINDOWING_MODE; |
| 197 | setWindowingMode(delta.mWindowingMode); |
| 198 | } |
Wale Ogunwale | 822e512 | 2017-07-26 06:02:24 -0700 | [diff] [blame] | 199 | return changed; |
| 200 | } |
| 201 | |
| 202 | /** |
| 203 | * Return a bit mask of the differences between this Configuration object and the given one. |
| 204 | * Does not change the values of either. Any undefined fields in <var>other</var> are ignored. |
| 205 | * @param other The configuration to diff against. |
| 206 | * @param compareUndefined If undefined values should be compared. |
| 207 | * @return Returns a bit mask indicating which configuration |
| 208 | * values has changed, containing any combination of {@link WindowConfig} flags. |
| 209 | * |
| 210 | * @see Configuration#diff(Configuration) |
| 211 | */ |
| 212 | public @WindowConfig long diff(WindowConfiguration other, boolean compareUndefined) { |
| 213 | long changes = 0; |
| 214 | |
| 215 | // Make sure that one of the values is not null and that they are not equal. |
| 216 | if ((compareUndefined || other.mAppBounds != null) |
| 217 | && mAppBounds != other.mAppBounds |
| 218 | && (mAppBounds == null || !mAppBounds.equals(other.mAppBounds))) { |
| 219 | changes |= WINDOW_CONFIG_APP_BOUNDS; |
| 220 | } |
| 221 | |
Wale Ogunwale | 687b427 | 2017-07-27 02:56:23 -0700 | [diff] [blame] | 222 | if ((compareUndefined || other.mWindowingMode != WINDOWING_MODE_UNDEFINED) |
| 223 | && mWindowingMode != other.mWindowingMode) { |
| 224 | changes |= WINDOW_CONFIG_WINDOWING_MODE; |
| 225 | } |
| 226 | |
Wale Ogunwale | 822e512 | 2017-07-26 06:02:24 -0700 | [diff] [blame] | 227 | return changes; |
| 228 | } |
| 229 | |
| 230 | @Override |
| 231 | public int compareTo(WindowConfiguration that) { |
| 232 | int n = 0; |
| 233 | if (mAppBounds == null && that.mAppBounds != null) { |
| 234 | return 1; |
| 235 | } else if (mAppBounds != null && that.mAppBounds == null) { |
| 236 | return -1; |
| 237 | } else if (mAppBounds != null && that.mAppBounds != null) { |
| 238 | n = mAppBounds.left - that.mAppBounds.left; |
| 239 | if (n != 0) return n; |
| 240 | n = mAppBounds.top - that.mAppBounds.top; |
| 241 | if (n != 0) return n; |
| 242 | n = mAppBounds.right - that.mAppBounds.right; |
| 243 | if (n != 0) return n; |
| 244 | n = mAppBounds.bottom - that.mAppBounds.bottom; |
| 245 | if (n != 0) return n; |
| 246 | } |
Wale Ogunwale | 687b427 | 2017-07-27 02:56:23 -0700 | [diff] [blame] | 247 | n = mWindowingMode - that.mWindowingMode; |
| 248 | if (n != 0) return n; |
Wale Ogunwale | 822e512 | 2017-07-26 06:02:24 -0700 | [diff] [blame] | 249 | |
| 250 | // if (n != 0) return n; |
| 251 | return n; |
| 252 | } |
| 253 | |
| 254 | @Override |
| 255 | public boolean equals(Object that) { |
| 256 | if (that == null) return false; |
| 257 | if (that == this) return true; |
| 258 | if (!(that instanceof WindowConfiguration)) { |
| 259 | return false; |
| 260 | } |
| 261 | return this.compareTo((WindowConfiguration) that) == 0; |
| 262 | } |
| 263 | |
| 264 | @Override |
| 265 | public int hashCode() { |
| 266 | int result = 0; |
| 267 | if (mAppBounds != null) { |
| 268 | result = 31 * result + mAppBounds.hashCode(); |
| 269 | } |
Wale Ogunwale | 687b427 | 2017-07-27 02:56:23 -0700 | [diff] [blame] | 270 | result = 31 * result + mWindowingMode; |
Wale Ogunwale | 822e512 | 2017-07-26 06:02:24 -0700 | [diff] [blame] | 271 | return result; |
| 272 | } |
| 273 | |
| 274 | @Override |
| 275 | public String toString() { |
Wale Ogunwale | 687b427 | 2017-07-27 02:56:23 -0700 | [diff] [blame] | 276 | return "{mAppBounds=" + mAppBounds |
| 277 | + " mWindowingMode=" + windowingModeToString(mWindowingMode) + "}"; |
| 278 | } |
| 279 | |
| 280 | private static String windowingModeToString(@WindowingMode int windowingMode) { |
| 281 | switch (windowingMode) { |
| 282 | case WINDOWING_MODE_UNDEFINED: return "undefined"; |
| 283 | case WINDOWING_MODE_FULLSCREEN: return "fullscreen"; |
| 284 | case WINDOWING_MODE_PINNED: return "pinned"; |
| 285 | case WINDOWING_MODE_DOCKED: return "docked"; |
| 286 | case WINDOWING_MODE_FREEFORM: return "freeform"; |
| 287 | } |
| 288 | return String.valueOf(windowingMode); |
Wale Ogunwale | 822e512 | 2017-07-26 06:02:24 -0700 | [diff] [blame] | 289 | } |
| 290 | } |