InputMonitor.java revision 201708ad89d5fa32e44afe5c4a9a2cacd5f800dc
1/* 2 * Copyright (C) 2010 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 17package com.android.server.wm; 18 19import static android.app.ActivityManager.StackId.PINNED_STACK_ID; 20import static android.view.Display.DEFAULT_DISPLAY; 21import static android.view.WindowManager.INPUT_CONSUMER_NAVIGATION; 22import static android.view.WindowManager.INPUT_CONSUMER_PIP; 23import static android.view.WindowManager.INPUT_CONSUMER_WALLPAPER; 24import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL; 25import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_DISABLE_WALLPAPER_TOUCH_EVENTS; 26import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD; 27import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER; 28import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_DRAG; 29import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_FOCUS_LIGHT; 30import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_INPUT; 31import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_TASK_POSITIONING; 32import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; 33 34import android.app.ActivityManager; 35import android.graphics.Rect; 36import android.os.Debug; 37import android.os.Looper; 38import android.os.RemoteException; 39import android.util.ArrayMap; 40import android.util.Log; 41import android.util.Slog; 42import android.view.InputChannel; 43import android.view.InputEventReceiver; 44import android.view.KeyEvent; 45import android.view.WindowManager; 46 47import android.view.WindowManagerPolicy; 48 49import com.android.server.input.InputApplicationHandle; 50import com.android.server.input.InputManagerService; 51import com.android.server.input.InputWindowHandle; 52 53import java.io.PrintWriter; 54import java.util.Arrays; 55import java.util.function.Consumer; 56 57final class InputMonitor implements InputManagerService.WindowManagerCallbacks { 58 private final WindowManagerService mService; 59 60 // Current window with input focus for keys and other non-touch events. May be null. 61 private WindowState mInputFocus; 62 63 // When true, prevents input dispatch from proceeding until set to false again. 64 private boolean mInputDispatchFrozen; 65 66 // The reason the input is currently frozen or null if the input isn't frozen. 67 private String mInputFreezeReason = null; 68 69 // When true, input dispatch proceeds normally. Otherwise all events are dropped. 70 // Initially false, so that input does not get dispatched until boot is finished at 71 // which point the ActivityManager will enable dispatching. 72 private boolean mInputDispatchEnabled; 73 74 // When true, need to call updateInputWindowsLw(). 75 private boolean mUpdateInputWindowsNeeded = true; 76 77 // Array of window handles to provide to the input dispatcher. 78 private InputWindowHandle[] mInputWindowHandles; 79 private int mInputWindowHandleCount; 80 private boolean mAddInputConsumerHandle; 81 private boolean mAddPipInputConsumerHandle; 82 private boolean mAddWallpaperInputConsumerHandle; 83 private boolean mDisableWallpaperTouchEvents; 84 private final Rect mTmpRect = new Rect(); 85 private final UpdateInputForAllWindowsConsumer mUpdateInputForAllWindowsConsumer = 86 new UpdateInputForAllWindowsConsumer(); 87 88 // Set to true when the first input device configuration change notification 89 // is received to indicate that the input devices are ready. 90 private final Object mInputDevicesReadyMonitor = new Object(); 91 private boolean mInputDevicesReady; 92 93 /** 94 * The set of input consumer added to the window manager by name, which consumes input events 95 * for the windows below it. 96 */ 97 private final ArrayMap<String, InputConsumerImpl> mInputConsumers = new ArrayMap(); 98 99 private static final class EventReceiverInputConsumer extends InputConsumerImpl 100 implements WindowManagerPolicy.InputConsumer { 101 private InputMonitor mInputMonitor; 102 private final InputEventReceiver mInputEventReceiver; 103 104 EventReceiverInputConsumer(WindowManagerService service, InputMonitor monitor, 105 Looper looper, String name, 106 InputEventReceiver.Factory inputEventReceiverFactory) { 107 super(service, name, null); 108 mInputMonitor = monitor; 109 mInputEventReceiver = inputEventReceiverFactory.createInputEventReceiver( 110 mClientChannel, looper); 111 } 112 113 @Override 114 public void dismiss() { 115 synchronized (mService.mWindowMap) { 116 if (mInputMonitor.destroyInputConsumer(mWindowHandle.name)) { 117 mInputEventReceiver.dispose(); 118 } 119 } 120 } 121 } 122 123 public InputMonitor(WindowManagerService service) { 124 mService = service; 125 } 126 127 private void addInputConsumer(String name, InputConsumerImpl consumer) { 128 mInputConsumers.put(name, consumer); 129 updateInputWindowsLw(true /* force */); 130 } 131 132 boolean destroyInputConsumer(String name) { 133 if (disposeInputConsumer(mInputConsumers.remove(name))) { 134 updateInputWindowsLw(true /* force */); 135 return true; 136 } 137 return false; 138 } 139 140 private boolean disposeInputConsumer(InputConsumerImpl consumer) { 141 if (consumer != null) { 142 consumer.disposeChannelsLw(); 143 return true; 144 } 145 return false; 146 } 147 148 InputConsumerImpl getInputConsumer(String name, int displayId) { 149 // TODO(multi-display): Allow input consumers on non-default displays? 150 return (displayId == DEFAULT_DISPLAY) ? mInputConsumers.get(name) : null; 151 } 152 153 void layoutInputConsumers(int dw, int dh) { 154 for (int i = mInputConsumers.size() - 1; i >= 0; i--) { 155 mInputConsumers.valueAt(i).layout(dw, dh); 156 } 157 } 158 159 WindowManagerPolicy.InputConsumer createInputConsumer(Looper looper, String name, 160 InputEventReceiver.Factory inputEventReceiverFactory) { 161 if (mInputConsumers.containsKey(name)) { 162 throw new IllegalStateException("Existing input consumer found with name: " + name); 163 } 164 165 final EventReceiverInputConsumer consumer = new EventReceiverInputConsumer(mService, 166 this, looper, name, inputEventReceiverFactory); 167 addInputConsumer(name, consumer); 168 return consumer; 169 } 170 171 void createInputConsumer(String name, InputChannel inputChannel) { 172 if (mInputConsumers.containsKey(name)) { 173 throw new IllegalStateException("Existing input consumer found with name: " + name); 174 } 175 176 final InputConsumerImpl consumer = new InputConsumerImpl(mService, name, inputChannel); 177 switch (name) { 178 case INPUT_CONSUMER_WALLPAPER: 179 consumer.mWindowHandle.hasWallpaper = true; 180 break; 181 case INPUT_CONSUMER_PIP: 182 // The touchable region of the Pip input window is cropped to the bounds of the 183 // stack, and we need FLAG_NOT_TOUCH_MODAL to ensure other events fall through 184 consumer.mWindowHandle.layoutParamsFlags |= FLAG_NOT_TOUCH_MODAL; 185 break; 186 } 187 addInputConsumer(name, consumer); 188 } 189 190 /* Notifies the window manager about a broken input channel. 191 * 192 * Called by the InputManager. 193 */ 194 @Override 195 public void notifyInputChannelBroken(InputWindowHandle inputWindowHandle) { 196 if (inputWindowHandle == null) { 197 return; 198 } 199 200 synchronized (mService.mWindowMap) { 201 WindowState windowState = (WindowState) inputWindowHandle.windowState; 202 if (windowState != null) { 203 Slog.i(TAG_WM, "WINDOW DIED " + windowState); 204 windowState.removeIfPossible(); 205 } 206 } 207 } 208 209 /* Notifies the window manager about an application that is not responding. 210 * Returns a new timeout to continue waiting in nanoseconds, or 0 to abort dispatch. 211 * 212 * Called by the InputManager. 213 */ 214 @Override 215 public long notifyANR(InputApplicationHandle inputApplicationHandle, 216 InputWindowHandle inputWindowHandle, String reason) { 217 AppWindowToken appWindowToken = null; 218 WindowState windowState = null; 219 boolean aboveSystem = false; 220 synchronized (mService.mWindowMap) { 221 if (inputWindowHandle != null) { 222 windowState = (WindowState) inputWindowHandle.windowState; 223 if (windowState != null) { 224 appWindowToken = windowState.mAppToken; 225 } 226 } 227 if (appWindowToken == null && inputApplicationHandle != null) { 228 appWindowToken = (AppWindowToken)inputApplicationHandle.appWindowToken; 229 } 230 231 if (windowState != null) { 232 Slog.i(TAG_WM, "Input event dispatching timed out " 233 + "sending to " + windowState.mAttrs.getTitle() 234 + ". Reason: " + reason); 235 // Figure out whether this window is layered above system windows. 236 // We need to do this here to help the activity manager know how to 237 // layer its ANR dialog. 238 int systemAlertLayer = mService.mPolicy.windowTypeToLayerLw( 239 WindowManager.LayoutParams.TYPE_SYSTEM_ALERT); 240 aboveSystem = windowState.mBaseLayer > systemAlertLayer; 241 } else if (appWindowToken != null) { 242 Slog.i(TAG_WM, "Input event dispatching timed out " 243 + "sending to application " + appWindowToken.stringName 244 + ". Reason: " + reason); 245 } else { 246 Slog.i(TAG_WM, "Input event dispatching timed out " 247 + ". Reason: " + reason); 248 } 249 250 mService.saveANRStateLocked(appWindowToken, windowState, reason); 251 } 252 253 if (appWindowToken != null && appWindowToken.appToken != null) { 254 try { 255 // Notify the activity manager about the timeout and let it decide whether 256 // to abort dispatching or keep waiting. 257 boolean abort = appWindowToken.appToken.keyDispatchingTimedOut(reason); 258 if (! abort) { 259 // The activity manager declined to abort dispatching. 260 // Wait a bit longer and timeout again later. 261 return appWindowToken.mInputDispatchingTimeoutNanos; 262 } 263 } catch (RemoteException ex) { 264 } 265 } else if (windowState != null) { 266 try { 267 // Notify the activity manager about the timeout and let it decide whether 268 // to abort dispatching or keep waiting. 269 long timeout = ActivityManager.getService().inputDispatchingTimedOut( 270 windowState.mSession.mPid, aboveSystem, reason); 271 if (timeout >= 0) { 272 // The activity manager declined to abort dispatching. 273 // Wait a bit longer and timeout again later. 274 return timeout * 1000000L; // nanoseconds 275 } 276 } catch (RemoteException ex) { 277 } 278 } 279 return 0; // abort dispatching 280 } 281 282 void addInputWindowHandle(final InputWindowHandle windowHandle) { 283 if (mInputWindowHandles == null) { 284 mInputWindowHandles = new InputWindowHandle[16]; 285 } 286 if (mInputWindowHandleCount >= mInputWindowHandles.length) { 287 mInputWindowHandles = Arrays.copyOf(mInputWindowHandles, 288 mInputWindowHandleCount * 2); 289 } 290 mInputWindowHandles[mInputWindowHandleCount++] = windowHandle; 291 } 292 293 void addInputWindowHandle(final InputWindowHandle inputWindowHandle, 294 final WindowState child, int flags, final int type, final boolean isVisible, 295 final boolean hasFocus, final boolean hasWallpaper) { 296 // Add a window to our list of input windows. 297 inputWindowHandle.name = child.toString(); 298 flags = child.getTouchableRegion(inputWindowHandle.touchableRegion, flags); 299 inputWindowHandle.layoutParamsFlags = flags; 300 inputWindowHandle.layoutParamsType = type; 301 inputWindowHandle.dispatchingTimeoutNanos = child.getInputDispatchingTimeoutNanos(); 302 inputWindowHandle.visible = isVisible; 303 inputWindowHandle.canReceiveKeys = child.canReceiveKeys(); 304 inputWindowHandle.hasFocus = hasFocus; 305 inputWindowHandle.hasWallpaper = hasWallpaper; 306 inputWindowHandle.paused = child.mAppToken != null ? child.mAppToken.paused : false; 307 inputWindowHandle.layer = child.mLayer; 308 inputWindowHandle.ownerPid = child.mSession.mPid; 309 inputWindowHandle.ownerUid = child.mSession.mUid; 310 inputWindowHandle.inputFeatures = child.mAttrs.inputFeatures; 311 312 final Rect frame = child.mFrame; 313 inputWindowHandle.frameLeft = frame.left; 314 inputWindowHandle.frameTop = frame.top; 315 inputWindowHandle.frameRight = frame.right; 316 inputWindowHandle.frameBottom = frame.bottom; 317 318 if (child.mGlobalScale != 1) { 319 // If we are scaling the window, input coordinates need 320 // to be inversely scaled to map from what is on screen 321 // to what is actually being touched in the UI. 322 inputWindowHandle.scaleFactor = 1.0f/child.mGlobalScale; 323 } else { 324 inputWindowHandle.scaleFactor = 1; 325 } 326 327 if (DEBUG_INPUT) { 328 Slog.d(TAG_WM, "addInputWindowHandle: " 329 + child + ", " + inputWindowHandle); 330 } 331 addInputWindowHandle(inputWindowHandle); 332 } 333 334 private void clearInputWindowHandlesLw() { 335 while (mInputWindowHandleCount != 0) { 336 mInputWindowHandles[--mInputWindowHandleCount] = null; 337 } 338 } 339 340 void setUpdateInputWindowsNeededLw() { 341 mUpdateInputWindowsNeeded = true; 342 } 343 344 /* Updates the cached window information provided to the input dispatcher. */ 345 void updateInputWindowsLw(boolean force) { 346 if (!force && !mUpdateInputWindowsNeeded) { 347 return; 348 } 349 mUpdateInputWindowsNeeded = false; 350 351 if (false) Slog.d(TAG_WM, ">>>>>> ENTERED updateInputWindowsLw"); 352 353 // Populate the input window list with information about all of the windows that 354 // could potentially receive input. 355 // As an optimization, we could try to prune the list of windows but this turns 356 // out to be difficult because only the native code knows for sure which window 357 // currently has touch focus. 358 359 // If there's a drag in flight, provide a pseudo-window to catch drag input 360 final boolean inDrag = (mService.mDragState != null); 361 if (inDrag) { 362 if (DEBUG_DRAG) { 363 Log.d(TAG_WM, "Inserting drag window"); 364 } 365 final InputWindowHandle dragWindowHandle = mService.mDragState.getInputWindowHandle(); 366 if (dragWindowHandle != null) { 367 addInputWindowHandle(dragWindowHandle); 368 } else { 369 Slog.w(TAG_WM, "Drag is in progress but there is no " 370 + "drag window handle."); 371 } 372 } 373 374 final boolean inPositioning = (mService.mTaskPositioner != null); 375 if (inPositioning) { 376 if (DEBUG_TASK_POSITIONING) { 377 Log.d(TAG_WM, "Inserting window handle for repositioning"); 378 } 379 final InputWindowHandle dragWindowHandle = mService.mTaskPositioner.mDragWindowHandle; 380 if (dragWindowHandle != null) { 381 addInputWindowHandle(dragWindowHandle); 382 } else { 383 Slog.e(TAG_WM, 384 "Repositioning is in progress but there is no drag window handle."); 385 } 386 } 387 388 // Add all windows on the default display. 389 mUpdateInputForAllWindowsConsumer.updateInputWindows(inDrag); 390 391 if (false) Slog.d(TAG_WM, "<<<<<<< EXITED updateInputWindowsLw"); 392 } 393 394 /* Notifies that the input device configuration has changed. */ 395 @Override 396 public void notifyConfigurationChanged() { 397 // TODO(multi-display): Notify proper displays that are associated with this input device. 398 mService.sendNewConfiguration(DEFAULT_DISPLAY); 399 400 synchronized (mInputDevicesReadyMonitor) { 401 if (!mInputDevicesReady) { 402 mInputDevicesReady = true; 403 mInputDevicesReadyMonitor.notifyAll(); 404 } 405 } 406 } 407 408 /* Waits until the built-in input devices have been configured. */ 409 public boolean waitForInputDevicesReady(long timeoutMillis) { 410 synchronized (mInputDevicesReadyMonitor) { 411 if (!mInputDevicesReady) { 412 try { 413 mInputDevicesReadyMonitor.wait(timeoutMillis); 414 } catch (InterruptedException ex) { 415 } 416 } 417 return mInputDevicesReady; 418 } 419 } 420 421 /* Notifies that the lid switch changed state. */ 422 @Override 423 public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) { 424 mService.mPolicy.notifyLidSwitchChanged(whenNanos, lidOpen); 425 } 426 427 /* Notifies that the camera lens cover state has changed. */ 428 @Override 429 public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) { 430 mService.mPolicy.notifyCameraLensCoverSwitchChanged(whenNanos, lensCovered); 431 } 432 433 /* Provides an opportunity for the window manager policy to intercept early key 434 * processing as soon as the key has been read from the device. */ 435 @Override 436 public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) { 437 return mService.mPolicy.interceptKeyBeforeQueueing(event, policyFlags); 438 } 439 440 /* Provides an opportunity for the window manager policy to intercept early motion event 441 * processing when the device is in a non-interactive state since these events are normally 442 * dropped. */ 443 @Override 444 public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) { 445 return mService.mPolicy.interceptMotionBeforeQueueingNonInteractive( 446 whenNanos, policyFlags); 447 } 448 449 /* Provides an opportunity for the window manager policy to process a key before 450 * ordinary dispatch. */ 451 @Override 452 public long interceptKeyBeforeDispatching( 453 InputWindowHandle focus, KeyEvent event, int policyFlags) { 454 WindowState windowState = focus != null ? (WindowState) focus.windowState : null; 455 return mService.mPolicy.interceptKeyBeforeDispatching(windowState, event, policyFlags); 456 } 457 458 /* Provides an opportunity for the window manager policy to process a key that 459 * the application did not handle. */ 460 @Override 461 public KeyEvent dispatchUnhandledKey( 462 InputWindowHandle focus, KeyEvent event, int policyFlags) { 463 WindowState windowState = focus != null ? (WindowState) focus.windowState : null; 464 return mService.mPolicy.dispatchUnhandledKey(windowState, event, policyFlags); 465 } 466 467 /* Callback to get pointer layer. */ 468 @Override 469 public int getPointerLayer() { 470 return mService.mPolicy.windowTypeToLayerLw(WindowManager.LayoutParams.TYPE_POINTER) 471 * WindowManagerService.TYPE_LAYER_MULTIPLIER 472 + WindowManagerService.TYPE_LAYER_OFFSET; 473 } 474 475 /* Called when the current input focus changes. 476 * Layer assignment is assumed to be complete by the time this is called. 477 */ 478 public void setInputFocusLw(WindowState newWindow, boolean updateInputWindows) { 479 if (DEBUG_FOCUS_LIGHT || DEBUG_INPUT) { 480 Slog.d(TAG_WM, "Input focus has changed to " + newWindow); 481 } 482 483 if (newWindow != mInputFocus) { 484 if (newWindow != null && newWindow.canReceiveKeys()) { 485 // Displaying a window implicitly causes dispatching to be unpaused. 486 // This is to protect against bugs if someone pauses dispatching but 487 // forgets to resume. 488 newWindow.mToken.paused = false; 489 } 490 491 mInputFocus = newWindow; 492 setUpdateInputWindowsNeededLw(); 493 494 if (updateInputWindows) { 495 updateInputWindowsLw(false /*force*/); 496 } 497 } 498 } 499 500 public void setFocusedAppLw(AppWindowToken newApp) { 501 // Focused app has changed. 502 if (newApp == null) { 503 mService.mInputManager.setFocusedApplication(null); 504 } else { 505 final InputApplicationHandle handle = newApp.mInputApplicationHandle; 506 handle.name = newApp.toString(); 507 handle.dispatchingTimeoutNanos = newApp.mInputDispatchingTimeoutNanos; 508 509 mService.mInputManager.setFocusedApplication(handle); 510 } 511 } 512 513 public void pauseDispatchingLw(WindowToken window) { 514 if (! window.paused) { 515 if (DEBUG_INPUT) { 516 Slog.v(TAG_WM, "Pausing WindowToken " + window); 517 } 518 519 window.paused = true; 520 updateInputWindowsLw(true /*force*/); 521 } 522 } 523 524 public void resumeDispatchingLw(WindowToken window) { 525 if (window.paused) { 526 if (DEBUG_INPUT) { 527 Slog.v(TAG_WM, "Resuming WindowToken " + window); 528 } 529 530 window.paused = false; 531 updateInputWindowsLw(true /*force*/); 532 } 533 } 534 535 public void freezeInputDispatchingLw() { 536 if (!mInputDispatchFrozen) { 537 if (DEBUG_INPUT) { 538 Slog.v(TAG_WM, "Freezing input dispatching"); 539 } 540 541 mInputDispatchFrozen = true; 542 543 if (DEBUG_INPUT || true) { 544 mInputFreezeReason = Debug.getCallers(6); 545 } 546 updateInputDispatchModeLw(); 547 } 548 } 549 550 public void thawInputDispatchingLw() { 551 if (mInputDispatchFrozen) { 552 if (DEBUG_INPUT) { 553 Slog.v(TAG_WM, "Thawing input dispatching"); 554 } 555 556 mInputDispatchFrozen = false; 557 mInputFreezeReason = null; 558 updateInputDispatchModeLw(); 559 } 560 } 561 562 public void setEventDispatchingLw(boolean enabled) { 563 if (mInputDispatchEnabled != enabled) { 564 if (DEBUG_INPUT) { 565 Slog.v(TAG_WM, "Setting event dispatching to " + enabled); 566 } 567 568 mInputDispatchEnabled = enabled; 569 updateInputDispatchModeLw(); 570 } 571 } 572 573 private void updateInputDispatchModeLw() { 574 mService.mInputManager.setInputDispatchMode(mInputDispatchEnabled, mInputDispatchFrozen); 575 } 576 577 void dump(PrintWriter pw, String prefix) { 578 if (mInputFreezeReason != null) { 579 pw.println(prefix + "mInputFreezeReason=" + mInputFreezeReason); 580 } 581 } 582 583 private final class UpdateInputForAllWindowsConsumer implements Consumer<WindowState> { 584 585 InputConsumerImpl navInputConsumer; 586 InputConsumerImpl pipInputConsumer; 587 InputConsumerImpl wallpaperInputConsumer; 588 Rect pipTouchableBounds; 589 boolean inDrag; 590 WallpaperController wallpaperController; 591 592 private void updateInputWindows(boolean inDrag) { 593 594 // TODO: multi-display 595 navInputConsumer = getInputConsumer(INPUT_CONSUMER_NAVIGATION, DEFAULT_DISPLAY); 596 pipInputConsumer = getInputConsumer(INPUT_CONSUMER_PIP, DEFAULT_DISPLAY); 597 wallpaperInputConsumer = getInputConsumer(INPUT_CONSUMER_WALLPAPER, DEFAULT_DISPLAY); 598 mAddInputConsumerHandle = navInputConsumer != null; 599 mAddPipInputConsumerHandle = pipInputConsumer != null; 600 mAddWallpaperInputConsumerHandle = wallpaperInputConsumer != null; 601 mTmpRect.setEmpty(); 602 pipTouchableBounds = mAddPipInputConsumerHandle ? mTmpRect : null; 603 mDisableWallpaperTouchEvents = false; 604 this.inDrag = inDrag; 605 wallpaperController = mService.mRoot.mWallpaperController; 606 607 mService.mRoot.forAllWindows(this, true /* traverseTopToBottom */); 608 if (mAddWallpaperInputConsumerHandle) { 609 // No visible wallpaper found, add the wallpaper input consumer at the end. 610 addInputWindowHandle(wallpaperInputConsumer.mWindowHandle); 611 } 612 613 // Send windows to native code. 614 mService.mInputManager.setInputWindows(mInputWindowHandles); 615 616 clearInputWindowHandlesLw(); 617 } 618 619 @Override 620 public void accept(WindowState w) { 621 final InputChannel inputChannel = w.mInputChannel; 622 final InputWindowHandle inputWindowHandle = w.mInputWindowHandle; 623 if (inputChannel == null || inputWindowHandle == null || w.mRemoved 624 || w.isAdjustedForMinimizedDock()) { 625 // Skip this window because it cannot possibly receive input. 626 return; 627 } 628 629 if (mAddPipInputConsumerHandle 630 && w.getStackId() == PINNED_STACK_ID 631 && inputWindowHandle.layer <= pipInputConsumer.mWindowHandle.layer) { 632 // Update the bounds of the Pip input consumer to match the Pinned stack 633 w.getStack().getBounds(pipTouchableBounds); 634 pipInputConsumer.mWindowHandle.touchableRegion.set(pipTouchableBounds); 635 addInputWindowHandle(pipInputConsumer.mWindowHandle); 636 mAddPipInputConsumerHandle = false; 637 } 638 639 if (mAddInputConsumerHandle 640 && inputWindowHandle.layer <= navInputConsumer.mWindowHandle.layer) { 641 addInputWindowHandle(navInputConsumer.mWindowHandle); 642 mAddInputConsumerHandle = false; 643 } 644 645 if (mAddWallpaperInputConsumerHandle) { 646 if (w.mAttrs.type == TYPE_WALLPAPER && w.isVisibleLw()) { 647 // Add the wallpaper input consumer above the first visible wallpaper. 648 addInputWindowHandle(wallpaperInputConsumer.mWindowHandle); 649 mAddWallpaperInputConsumerHandle = false; 650 } 651 } 652 653 final int flags = w.mAttrs.flags; 654 final int privateFlags = w.mAttrs.privateFlags; 655 final int type = w.mAttrs.type; 656 657 final boolean hasFocus = w == mInputFocus; 658 final boolean isVisible = w.isVisibleLw(); 659 if ((privateFlags & PRIVATE_FLAG_DISABLE_WALLPAPER_TOUCH_EVENTS) != 0) { 660 mDisableWallpaperTouchEvents = true; 661 } 662 final boolean hasWallpaper = wallpaperController.isWallpaperTarget(w) 663 && (privateFlags & PRIVATE_FLAG_KEYGUARD) == 0 664 && !mDisableWallpaperTouchEvents; 665 666 // If there's a drag in progress and 'child' is a potential drop target, 667 // make sure it's been told about the drag 668 if (inDrag && isVisible && w.getDisplayContent().isDefaultDisplay) { 669 mService.mDragState.sendDragStartedIfNeededLw(w); 670 } 671 672 addInputWindowHandle( 673 inputWindowHandle, w, flags, type, isVisible, hasFocus, hasWallpaper); 674 } 675 } 676} 677