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.accessibility; |
| 18 | |
| 19 | import android.graphics.Rect; |
| 20 | import android.os.Parcel; |
| 21 | import android.os.Parcelable; |
| 22 | import android.util.LongArray; |
| 23 | import android.util.Pools.SynchronizedPool; |
| 24 | |
| 25 | /** |
| 26 | * This class represents a state snapshot of a window for accessibility |
| 27 | * purposes. The screen content contains one or more windows where some |
| 28 | * windows can be descendants of other windows, which is the windows are |
| 29 | * hierarchically ordered. Note that there is no root window. Hence, the |
| 30 | * screen content can be seen as a collection of window trees. |
| 31 | */ |
| 32 | public final class AccessibilityWindowInfo implements Parcelable { |
| 33 | |
| 34 | private static final boolean DEBUG = false; |
| 35 | |
| 36 | /** |
| 37 | * Window type: This is an application window. Such a window shows UI for |
| 38 | * interacting with an application. |
| 39 | */ |
| 40 | public static final int TYPE_APPLICATION = 1; |
| 41 | |
| 42 | /** |
| 43 | * Window type: This is an input method window. Such a window shows UI for |
| 44 | * inputting text such as keyboard, suggestions, etc. |
| 45 | */ |
| 46 | public static final int TYPE_INPUT_METHOD = 2; |
| 47 | |
| 48 | /** |
| 49 | * Window type: This is an system window. Such a window shows UI for |
| 50 | * interacting with the system. |
| 51 | */ |
| 52 | public static final int TYPE_SYSTEM = 3; |
| 53 | |
Svetoslav | 3a5c721 | 2014-10-14 09:54:26 -0700 | [diff] [blame] | 54 | /** |
| 55 | * Window type: Windows that are overlaid <em>only</em> by an {@link |
| 56 | * android.accessibilityservice.AccessibilityService} for interception of |
| 57 | * user interactions without changing the windows an accessibility service |
| 58 | * can introspect. In particular, an accessibility service can introspect |
| 59 | * only windows that a sighted user can interact with which they can touch |
| 60 | * these windows or can type into these windows. For example, if there |
| 61 | * is a full screen accessibility overlay that is touchable, the windows |
| 62 | * below it will be introspectable by an accessibility service regardless |
| 63 | * they are covered by a touchable window. |
| 64 | */ |
| 65 | public static final int TYPE_ACCESSIBILITY_OVERLAY = 4; |
| 66 | |
Phil Weaver | 315c34e | 2016-02-19 15:12:29 -0800 | [diff] [blame] | 67 | /** |
| 68 | * Window type: A system window used to divide the screen in split-screen mode. |
| 69 | * This type of window is present only in split-screen mode. |
| 70 | */ |
| 71 | public static final int TYPE_SPLIT_SCREEN_DIVIDER = 5; |
| 72 | |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 73 | private static final int UNDEFINED = -1; |
| 74 | |
| 75 | private static final int BOOLEAN_PROPERTY_ACTIVE = 1 << 0; |
| 76 | private static final int BOOLEAN_PROPERTY_FOCUSED = 1 << 1; |
Svetoslav | 3a5c721 | 2014-10-14 09:54:26 -0700 | [diff] [blame] | 77 | private static final int BOOLEAN_PROPERTY_ACCESSIBILITY_FOCUSED = 1 << 2; |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 78 | |
| 79 | // Housekeeping. |
| 80 | private static final int MAX_POOL_SIZE = 10; |
| 81 | private static final SynchronizedPool<AccessibilityWindowInfo> sPool = |
| 82 | new SynchronizedPool<AccessibilityWindowInfo>(MAX_POOL_SIZE); |
| 83 | |
| 84 | // Data. |
| 85 | private int mType = UNDEFINED; |
| 86 | private int mLayer = UNDEFINED; |
| 87 | private int mBooleanProperties; |
| 88 | private int mId = UNDEFINED; |
| 89 | private int mParentId = UNDEFINED; |
| 90 | private final Rect mBoundsInScreen = new Rect(); |
| 91 | private LongArray mChildIds; |
| 92 | |
| 93 | private int mConnectionId = UNDEFINED; |
| 94 | |
| 95 | private AccessibilityWindowInfo() { |
| 96 | /* do nothing - hide constructor */ |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Gets the type of the window. |
| 101 | * |
| 102 | * @return The type. |
| 103 | * |
| 104 | * @see #TYPE_APPLICATION |
| 105 | * @see #TYPE_INPUT_METHOD |
| 106 | * @see #TYPE_SYSTEM |
Svetoslav | 3a5c721 | 2014-10-14 09:54:26 -0700 | [diff] [blame] | 107 | * @see #TYPE_ACCESSIBILITY_OVERLAY |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 108 | */ |
| 109 | public int getType() { |
| 110 | return mType; |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * Sets the type of the window. |
| 115 | * |
Svetoslav | 3a5c721 | 2014-10-14 09:54:26 -0700 | [diff] [blame] | 116 | * @param type The type |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 117 | * |
| 118 | * @hide |
| 119 | */ |
| 120 | public void setType(int type) { |
| 121 | mType = type; |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * Gets the layer which determines the Z-order of the window. Windows |
| 126 | * with greater layer appear on top of windows with lesser layer. |
| 127 | * |
| 128 | * @return The window layer. |
| 129 | */ |
| 130 | public int getLayer() { |
| 131 | return mLayer; |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * Sets the layer which determines the Z-order of the window. Windows |
| 136 | * with greater layer appear on top of windows with lesser layer. |
| 137 | * |
Svetoslav | 3a5c721 | 2014-10-14 09:54:26 -0700 | [diff] [blame] | 138 | * @param layer The window layer. |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 139 | * |
| 140 | * @hide |
| 141 | */ |
| 142 | public void setLayer(int layer) { |
| 143 | mLayer = layer; |
| 144 | } |
| 145 | |
| 146 | /** |
| 147 | * Gets the root node in the window's hierarchy. |
| 148 | * |
| 149 | * @return The root node. |
| 150 | */ |
| 151 | public AccessibilityNodeInfo getRoot() { |
| 152 | if (mConnectionId == UNDEFINED) { |
| 153 | return null; |
| 154 | } |
| 155 | AccessibilityInteractionClient client = AccessibilityInteractionClient.getInstance(); |
| 156 | return client.findAccessibilityNodeInfoByAccessibilityId(mConnectionId, |
| 157 | mId, AccessibilityNodeInfo.ROOT_NODE_ID, |
| 158 | true, AccessibilityNodeInfo.FLAG_PREFETCH_DESCENDANTS); |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * Gets the parent window if such. |
| 163 | * |
| 164 | * @return The parent window. |
| 165 | */ |
| 166 | public AccessibilityWindowInfo getParent() { |
| 167 | if (mConnectionId == UNDEFINED || mParentId == UNDEFINED) { |
| 168 | return null; |
| 169 | } |
| 170 | AccessibilityInteractionClient client = AccessibilityInteractionClient.getInstance(); |
| 171 | return client.getWindow(mConnectionId, mParentId); |
| 172 | } |
| 173 | |
| 174 | /** |
| 175 | * Sets the parent window id. |
| 176 | * |
| 177 | * @param parentId The parent id. |
| 178 | * |
| 179 | * @hide |
| 180 | */ |
| 181 | public void setParentId(int parentId) { |
| 182 | mParentId = parentId; |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * Gets the unique window id. |
| 187 | * |
| 188 | * @return windowId The window id. |
| 189 | */ |
| 190 | public int getId() { |
| 191 | return mId; |
| 192 | } |
| 193 | |
| 194 | /** |
| 195 | * Sets the unique window id. |
| 196 | * |
Svetoslav | 3a5c721 | 2014-10-14 09:54:26 -0700 | [diff] [blame] | 197 | * @param id The window id. |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 198 | * |
| 199 | * @hide |
| 200 | */ |
| 201 | public void setId(int id) { |
| 202 | mId = id; |
| 203 | } |
| 204 | |
| 205 | /** |
| 206 | * Sets the unique id of the IAccessibilityServiceConnection over which |
| 207 | * this instance can send requests to the system. |
| 208 | * |
| 209 | * @param connectionId The connection id. |
| 210 | * |
| 211 | * @hide |
| 212 | */ |
| 213 | public void setConnectionId(int connectionId) { |
| 214 | mConnectionId = connectionId; |
| 215 | } |
| 216 | |
| 217 | /** |
| 218 | * Gets the bounds of this window in the screen. |
| 219 | * |
| 220 | * @param outBounds The out window bounds. |
| 221 | */ |
| 222 | public void getBoundsInScreen(Rect outBounds) { |
| 223 | outBounds.set(mBoundsInScreen); |
| 224 | } |
| 225 | |
| 226 | /** |
| 227 | * Sets the bounds of this window in the screen. |
| 228 | * |
| 229 | * @param bounds The out window bounds. |
| 230 | * |
| 231 | * @hide |
| 232 | */ |
| 233 | public void setBoundsInScreen(Rect bounds) { |
| 234 | mBoundsInScreen.set(bounds); |
| 235 | } |
| 236 | |
| 237 | /** |
| 238 | * Gets if this window is active. An active window is the one |
| 239 | * the user is currently touching or the window has input focus |
| 240 | * and the user is not touching any window. |
| 241 | * |
| 242 | * @return Whether this is the active window. |
| 243 | */ |
| 244 | public boolean isActive() { |
| 245 | return getBooleanProperty(BOOLEAN_PROPERTY_ACTIVE); |
| 246 | } |
| 247 | |
| 248 | /** |
| 249 | * Sets if this window is active, which is this is the window |
| 250 | * the user is currently touching or the window has input focus |
| 251 | * and the user is not touching any window. |
| 252 | * |
Svetoslav | 3a5c721 | 2014-10-14 09:54:26 -0700 | [diff] [blame] | 253 | * @param active Whether this is the active window. |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 254 | * |
| 255 | * @hide |
| 256 | */ |
| 257 | public void setActive(boolean active) { |
| 258 | setBooleanProperty(BOOLEAN_PROPERTY_ACTIVE, active); |
| 259 | } |
| 260 | |
| 261 | /** |
| 262 | * Gets if this window has input focus. |
| 263 | * |
| 264 | * @return Whether has input focus. |
| 265 | */ |
| 266 | public boolean isFocused() { |
| 267 | return getBooleanProperty(BOOLEAN_PROPERTY_FOCUSED); |
| 268 | } |
| 269 | |
| 270 | /** |
| 271 | * Sets if this window has input focus. |
| 272 | * |
Svetoslav | 3a5c721 | 2014-10-14 09:54:26 -0700 | [diff] [blame] | 273 | * @param focused Whether has input focus. |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 274 | * |
| 275 | * @hide |
| 276 | */ |
| 277 | public void setFocused(boolean focused) { |
| 278 | setBooleanProperty(BOOLEAN_PROPERTY_FOCUSED, focused); |
| 279 | } |
| 280 | |
| 281 | /** |
Svetoslav | 04cab1b | 2014-08-25 18:35:57 -0700 | [diff] [blame] | 282 | * Gets if this window has accessibility focus. |
| 283 | * |
| 284 | * @return Whether has accessibility focus. |
| 285 | */ |
| 286 | public boolean isAccessibilityFocused() { |
Svetoslav | 3a5c721 | 2014-10-14 09:54:26 -0700 | [diff] [blame] | 287 | return getBooleanProperty(BOOLEAN_PROPERTY_ACCESSIBILITY_FOCUSED); |
Svetoslav | 04cab1b | 2014-08-25 18:35:57 -0700 | [diff] [blame] | 288 | } |
| 289 | |
| 290 | /** |
| 291 | * Sets if this window has accessibility focus. |
| 292 | * |
Svetoslav | 3a5c721 | 2014-10-14 09:54:26 -0700 | [diff] [blame] | 293 | * @param focused Whether has accessibility focus. |
Svetoslav | 04cab1b | 2014-08-25 18:35:57 -0700 | [diff] [blame] | 294 | * |
| 295 | * @hide |
| 296 | */ |
| 297 | public void setAccessibilityFocused(boolean focused) { |
Svetoslav | 3a5c721 | 2014-10-14 09:54:26 -0700 | [diff] [blame] | 298 | setBooleanProperty(BOOLEAN_PROPERTY_ACCESSIBILITY_FOCUSED, focused); |
Svetoslav | 04cab1b | 2014-08-25 18:35:57 -0700 | [diff] [blame] | 299 | } |
| 300 | |
| 301 | /** |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 302 | * Gets the number of child windows. |
| 303 | * |
| 304 | * @return The child count. |
| 305 | */ |
| 306 | public int getChildCount() { |
| 307 | return (mChildIds != null) ? mChildIds.size() : 0; |
| 308 | } |
| 309 | |
| 310 | /** |
| 311 | * Gets the child window at a given index. |
| 312 | * |
| 313 | * @param index The index. |
| 314 | * @return The child. |
| 315 | */ |
| 316 | public AccessibilityWindowInfo getChild(int index) { |
| 317 | if (mChildIds == null) { |
| 318 | throw new IndexOutOfBoundsException(); |
| 319 | } |
| 320 | if (mConnectionId == UNDEFINED) { |
| 321 | return null; |
| 322 | } |
| 323 | final int childId = (int) mChildIds.get(index); |
| 324 | AccessibilityInteractionClient client = AccessibilityInteractionClient.getInstance(); |
| 325 | return client.getWindow(mConnectionId, childId); |
| 326 | } |
| 327 | |
| 328 | /** |
| 329 | * Adds a child window. |
| 330 | * |
| 331 | * @param childId The child window id. |
| 332 | * |
| 333 | * @hide |
| 334 | */ |
| 335 | public void addChild(int childId) { |
| 336 | if (mChildIds == null) { |
| 337 | mChildIds = new LongArray(); |
| 338 | } |
| 339 | mChildIds.add(childId); |
| 340 | } |
| 341 | |
| 342 | /** |
| 343 | * Returns a cached instance if such is available or a new one is |
| 344 | * created. |
| 345 | * |
| 346 | * @return An instance. |
| 347 | */ |
| 348 | public static AccessibilityWindowInfo obtain() { |
| 349 | AccessibilityWindowInfo info = sPool.acquire(); |
| 350 | if (info == null) { |
| 351 | info = new AccessibilityWindowInfo(); |
| 352 | } |
| 353 | return info; |
| 354 | } |
| 355 | |
| 356 | /** |
| 357 | * Returns a cached instance if such is available or a new one is |
| 358 | * created. The returned instance is initialized from the given |
| 359 | * <code>info</code>. |
| 360 | * |
| 361 | * @param info The other info. |
| 362 | * @return An instance. |
| 363 | */ |
| 364 | public static AccessibilityWindowInfo obtain(AccessibilityWindowInfo info) { |
| 365 | AccessibilityWindowInfo infoClone = obtain(); |
| 366 | |
| 367 | infoClone.mType = info.mType; |
| 368 | infoClone.mLayer = info.mLayer; |
| 369 | infoClone.mBooleanProperties = info.mBooleanProperties; |
| 370 | infoClone.mId = info.mId; |
| 371 | infoClone.mParentId = info.mParentId; |
| 372 | infoClone.mBoundsInScreen.set(info.mBoundsInScreen); |
| 373 | |
| 374 | if (info.mChildIds != null && info.mChildIds.size() > 0) { |
| 375 | if (infoClone.mChildIds == null) { |
| 376 | infoClone.mChildIds = info.mChildIds.clone(); |
| 377 | } else { |
| 378 | infoClone.mChildIds.addAll(info.mChildIds); |
| 379 | } |
| 380 | } |
| 381 | |
| 382 | infoClone.mConnectionId = info.mConnectionId; |
| 383 | |
| 384 | return infoClone; |
| 385 | } |
| 386 | |
| 387 | /** |
| 388 | * Return an instance back to be reused. |
| 389 | * <p> |
| 390 | * <strong>Note:</strong> You must not touch the object after calling this function. |
| 391 | * </p> |
| 392 | * |
| 393 | * @throws IllegalStateException If the info is already recycled. |
| 394 | */ |
| 395 | public void recycle() { |
| 396 | clear(); |
| 397 | sPool.release(this); |
| 398 | } |
| 399 | |
| 400 | @Override |
| 401 | public int describeContents() { |
| 402 | return 0; |
| 403 | } |
| 404 | |
| 405 | @Override |
| 406 | public void writeToParcel(Parcel parcel, int flags) { |
| 407 | parcel.writeInt(mType); |
| 408 | parcel.writeInt(mLayer); |
| 409 | parcel.writeInt(mBooleanProperties); |
| 410 | parcel.writeInt(mId); |
| 411 | parcel.writeInt(mParentId); |
| 412 | mBoundsInScreen.writeToParcel(parcel, flags); |
| 413 | |
| 414 | final LongArray childIds = mChildIds; |
| 415 | if (childIds == null) { |
| 416 | parcel.writeInt(0); |
| 417 | } else { |
| 418 | final int childCount = childIds.size(); |
| 419 | parcel.writeInt(childCount); |
| 420 | for (int i = 0; i < childCount; i++) { |
| 421 | parcel.writeInt((int) childIds.get(i)); |
| 422 | } |
| 423 | } |
| 424 | |
| 425 | parcel.writeInt(mConnectionId); |
| 426 | } |
| 427 | |
| 428 | private void initFromParcel(Parcel parcel) { |
| 429 | mType = parcel.readInt(); |
| 430 | mLayer = parcel.readInt(); |
| 431 | mBooleanProperties = parcel.readInt(); |
| 432 | mId = parcel.readInt(); |
| 433 | mParentId = parcel.readInt(); |
| 434 | mBoundsInScreen.readFromParcel(parcel); |
| 435 | |
| 436 | final int childCount = parcel.readInt(); |
| 437 | if (childCount > 0) { |
| 438 | if (mChildIds == null) { |
| 439 | mChildIds = new LongArray(childCount); |
| 440 | } |
| 441 | for (int i = 0; i < childCount; i++) { |
| 442 | final int childId = parcel.readInt(); |
| 443 | mChildIds.add(childId); |
| 444 | } |
| 445 | } |
| 446 | |
| 447 | mConnectionId = parcel.readInt(); |
| 448 | } |
| 449 | |
| 450 | @Override |
| 451 | public int hashCode() { |
| 452 | return mId; |
| 453 | } |
| 454 | |
| 455 | @Override |
| 456 | public boolean equals(Object obj) { |
| 457 | if (this == obj) { |
| 458 | return true; |
| 459 | } |
| 460 | if (obj == null) { |
| 461 | return false; |
| 462 | } |
| 463 | if (getClass() != obj.getClass()) { |
| 464 | return false; |
| 465 | } |
| 466 | AccessibilityWindowInfo other = (AccessibilityWindowInfo) obj; |
| 467 | return (mId == other.mId); |
| 468 | } |
| 469 | |
| 470 | @Override |
| 471 | public String toString() { |
| 472 | StringBuilder builder = new StringBuilder(); |
| 473 | builder.append("AccessibilityWindowInfo["); |
| 474 | builder.append("id=").append(mId); |
| 475 | builder.append(", type=").append(typeToString(mType)); |
| 476 | builder.append(", layer=").append(mLayer); |
| 477 | builder.append(", bounds=").append(mBoundsInScreen); |
| 478 | builder.append(", focused=").append(isFocused()); |
| 479 | builder.append(", active=").append(isActive()); |
| 480 | if (DEBUG) { |
| 481 | builder.append(", parent=").append(mParentId); |
| 482 | builder.append(", children=["); |
| 483 | if (mChildIds != null) { |
| 484 | final int childCount = mChildIds.size(); |
| 485 | for (int i = 0; i < childCount; i++) { |
| 486 | builder.append(mChildIds.get(i)); |
| 487 | if (i < childCount - 1) { |
| 488 | builder.append(','); |
| 489 | } |
| 490 | } |
| 491 | } else { |
| 492 | builder.append("null"); |
| 493 | } |
| 494 | builder.append(']'); |
| 495 | } else { |
| 496 | builder.append(", hasParent=").append(mParentId != UNDEFINED); |
| 497 | builder.append(", hasChildren=").append(mChildIds != null |
| 498 | && mChildIds.size() > 0); |
| 499 | } |
| 500 | builder.append(']'); |
| 501 | return builder.toString(); |
| 502 | } |
| 503 | |
| 504 | /** |
| 505 | * Clears the internal state. |
| 506 | */ |
| 507 | private void clear() { |
| 508 | mType = UNDEFINED; |
| 509 | mLayer = UNDEFINED; |
| 510 | mBooleanProperties = 0; |
| 511 | mId = UNDEFINED; |
| 512 | mParentId = UNDEFINED; |
| 513 | mBoundsInScreen.setEmpty(); |
| 514 | if (mChildIds != null) { |
| 515 | mChildIds.clear(); |
| 516 | } |
| 517 | mConnectionId = UNDEFINED; |
| 518 | } |
| 519 | |
| 520 | /** |
| 521 | * Gets the value of a boolean property. |
| 522 | * |
| 523 | * @param property The property. |
| 524 | * @return The value. |
| 525 | */ |
| 526 | private boolean getBooleanProperty(int property) { |
| 527 | return (mBooleanProperties & property) != 0; |
| 528 | } |
| 529 | |
| 530 | /** |
| 531 | * Sets a boolean property. |
| 532 | * |
| 533 | * @param property The property. |
| 534 | * @param value The value. |
| 535 | * |
| 536 | * @throws IllegalStateException If called from an AccessibilityService. |
| 537 | */ |
| 538 | private void setBooleanProperty(int property, boolean value) { |
| 539 | if (value) { |
| 540 | mBooleanProperties |= property; |
| 541 | } else { |
| 542 | mBooleanProperties &= ~property; |
| 543 | } |
| 544 | } |
| 545 | |
| 546 | private static String typeToString(int type) { |
| 547 | switch (type) { |
| 548 | case TYPE_APPLICATION: { |
| 549 | return "TYPE_APPLICATION"; |
| 550 | } |
| 551 | case TYPE_INPUT_METHOD: { |
| 552 | return "TYPE_INPUT_METHOD"; |
| 553 | } |
| 554 | case TYPE_SYSTEM: { |
| 555 | return "TYPE_SYSTEM"; |
| 556 | } |
Svetoslav | 3a5c721 | 2014-10-14 09:54:26 -0700 | [diff] [blame] | 557 | case TYPE_ACCESSIBILITY_OVERLAY: { |
| 558 | return "TYPE_ACCESSIBILITY_OVERLAY"; |
| 559 | } |
Phil Weaver | 315c34e | 2016-02-19 15:12:29 -0800 | [diff] [blame] | 560 | case TYPE_SPLIT_SCREEN_DIVIDER: { |
| 561 | return "TYPE_SPLIT_SCREEN_DIVIDER"; |
| 562 | } |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 563 | default: |
| 564 | return "<UNKNOWN>"; |
| 565 | } |
| 566 | } |
| 567 | |
| 568 | /** |
| 569 | * Checks whether this window changed. The argument should be |
| 570 | * another state of the same window, which is have the same id |
| 571 | * and type as they never change. |
| 572 | * |
| 573 | * @param other The new state. |
| 574 | * @return Whether something changed. |
| 575 | * |
| 576 | * @hide |
| 577 | */ |
| 578 | public boolean changed(AccessibilityWindowInfo other) { |
| 579 | if (other.mId != mId) { |
| 580 | throw new IllegalArgumentException("Not same window."); |
| 581 | } |
| 582 | if (other.mType != mType) { |
| 583 | throw new IllegalArgumentException("Not same type."); |
| 584 | } |
Andreas Gampe | 650989b | 2015-03-15 18:04:41 -0700 | [diff] [blame] | 585 | if (!mBoundsInScreen.equals(other.mBoundsInScreen)) { |
Svetoslav | 8e3feb1 | 2014-02-24 13:46:47 -0800 | [diff] [blame] | 586 | return true; |
| 587 | } |
| 588 | if (mLayer != other.mLayer) { |
| 589 | return true; |
| 590 | } |
| 591 | if (mBooleanProperties != other.mBooleanProperties) { |
| 592 | return true; |
| 593 | } |
| 594 | if (mParentId != other.mParentId) { |
| 595 | return true; |
| 596 | } |
| 597 | if (mChildIds == null) { |
| 598 | if (other.mChildIds != null) { |
| 599 | return true; |
| 600 | } |
| 601 | } else if (!mChildIds.equals(other.mChildIds)) { |
| 602 | return true; |
| 603 | } |
| 604 | return false; |
| 605 | } |
| 606 | |
| 607 | public static final Parcelable.Creator<AccessibilityWindowInfo> CREATOR = |
| 608 | new Creator<AccessibilityWindowInfo>() { |
| 609 | @Override |
| 610 | public AccessibilityWindowInfo createFromParcel(Parcel parcel) { |
| 611 | AccessibilityWindowInfo info = obtain(); |
| 612 | info.initFromParcel(parcel); |
| 613 | return info; |
| 614 | } |
| 615 | |
| 616 | @Override |
| 617 | public AccessibilityWindowInfo[] newArray(int size) { |
| 618 | return new AccessibilityWindowInfo[size]; |
| 619 | } |
| 620 | }; |
| 621 | } |