| /* |
| * Copyright (C) 2010 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.server.wm; |
| |
| import static android.app.ActivityManager.StackId.PINNED_STACK_ID; |
| import static android.view.Display.DEFAULT_DISPLAY; |
| import static android.view.WindowManager.INPUT_CONSUMER_NAVIGATION; |
| import static android.view.WindowManager.INPUT_CONSUMER_PIP; |
| import static android.view.WindowManager.INPUT_CONSUMER_WALLPAPER; |
| import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL; |
| import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_DISABLE_WALLPAPER_TOUCH_EVENTS; |
| import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD; |
| import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY; |
| import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_DRAG; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_FOCUS_LIGHT; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_INPUT; |
| import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_TASK_POSITIONING; |
| import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM; |
| |
| import android.app.ActivityManager; |
| import android.graphics.Rect; |
| import android.os.Debug; |
| import android.os.Looper; |
| import android.os.RemoteException; |
| import android.util.ArrayMap; |
| import android.util.Log; |
| import android.util.Slog; |
| import android.view.InputChannel; |
| import android.view.InputEventReceiver; |
| import android.view.KeyEvent; |
| import android.view.WindowManager; |
| |
| import android.view.WindowManagerPolicy; |
| |
| import com.android.server.input.InputApplicationHandle; |
| import com.android.server.input.InputManagerService; |
| import com.android.server.input.InputWindowHandle; |
| |
| import java.io.PrintWriter; |
| import java.util.Arrays; |
| import java.util.function.Consumer; |
| |
| final class InputMonitor implements InputManagerService.WindowManagerCallbacks { |
| private final WindowManagerService mService; |
| |
| // Current window with input focus for keys and other non-touch events. May be null. |
| private WindowState mInputFocus; |
| |
| // When true, prevents input dispatch from proceeding until set to false again. |
| private boolean mInputDispatchFrozen; |
| |
| // The reason the input is currently frozen or null if the input isn't frozen. |
| private String mInputFreezeReason = null; |
| |
| // When true, input dispatch proceeds normally. Otherwise all events are dropped. |
| // Initially false, so that input does not get dispatched until boot is finished at |
| // which point the ActivityManager will enable dispatching. |
| private boolean mInputDispatchEnabled; |
| |
| // When true, need to call updateInputWindowsLw(). |
| private boolean mUpdateInputWindowsNeeded = true; |
| |
| // Array of window handles to provide to the input dispatcher. |
| private InputWindowHandle[] mInputWindowHandles; |
| private int mInputWindowHandleCount; |
| private InputWindowHandle mFocusedInputWindowHandle; |
| |
| private boolean mAddInputConsumerHandle; |
| private boolean mAddPipInputConsumerHandle; |
| private boolean mAddWallpaperInputConsumerHandle; |
| private boolean mDisableWallpaperTouchEvents; |
| private final Rect mTmpRect = new Rect(); |
| private final UpdateInputForAllWindowsConsumer mUpdateInputForAllWindowsConsumer = |
| new UpdateInputForAllWindowsConsumer(); |
| |
| // Set to true when the first input device configuration change notification |
| // is received to indicate that the input devices are ready. |
| private final Object mInputDevicesReadyMonitor = new Object(); |
| private boolean mInputDevicesReady; |
| |
| /** |
| * The set of input consumer added to the window manager by name, which consumes input events |
| * for the windows below it. |
| */ |
| private final ArrayMap<String, InputConsumerImpl> mInputConsumers = new ArrayMap(); |
| |
| private static final class EventReceiverInputConsumer extends InputConsumerImpl |
| implements WindowManagerPolicy.InputConsumer { |
| private InputMonitor mInputMonitor; |
| private final InputEventReceiver mInputEventReceiver; |
| |
| EventReceiverInputConsumer(WindowManagerService service, InputMonitor monitor, |
| Looper looper, String name, |
| InputEventReceiver.Factory inputEventReceiverFactory) { |
| super(service, name, null); |
| mInputMonitor = monitor; |
| mInputEventReceiver = inputEventReceiverFactory.createInputEventReceiver( |
| mClientChannel, looper); |
| } |
| |
| @Override |
| public void dismiss() { |
| synchronized (mService.mWindowMap) { |
| if (mInputMonitor.destroyInputConsumer(mWindowHandle.name)) { |
| mInputEventReceiver.dispose(); |
| } |
| } |
| } |
| } |
| |
| public InputMonitor(WindowManagerService service) { |
| mService = service; |
| } |
| |
| private void addInputConsumer(String name, InputConsumerImpl consumer) { |
| mInputConsumers.put(name, consumer); |
| updateInputWindowsLw(true /* force */); |
| } |
| |
| boolean destroyInputConsumer(String name) { |
| if (disposeInputConsumer(mInputConsumers.remove(name))) { |
| updateInputWindowsLw(true /* force */); |
| return true; |
| } |
| return false; |
| } |
| |
| private boolean disposeInputConsumer(InputConsumerImpl consumer) { |
| if (consumer != null) { |
| consumer.disposeChannelsLw(); |
| return true; |
| } |
| return false; |
| } |
| |
| InputConsumerImpl getInputConsumer(String name, int displayId) { |
| // TODO(multi-display): Allow input consumers on non-default displays? |
| return (displayId == DEFAULT_DISPLAY) ? mInputConsumers.get(name) : null; |
| } |
| |
| void layoutInputConsumers(int dw, int dh) { |
| for (int i = mInputConsumers.size() - 1; i >= 0; i--) { |
| mInputConsumers.valueAt(i).layout(dw, dh); |
| } |
| } |
| |
| WindowManagerPolicy.InputConsumer createInputConsumer(Looper looper, String name, |
| InputEventReceiver.Factory inputEventReceiverFactory) { |
| if (mInputConsumers.containsKey(name)) { |
| throw new IllegalStateException("Existing input consumer found with name: " + name); |
| } |
| |
| final EventReceiverInputConsumer consumer = new EventReceiverInputConsumer(mService, |
| this, looper, name, inputEventReceiverFactory); |
| addInputConsumer(name, consumer); |
| return consumer; |
| } |
| |
| void createInputConsumer(String name, InputChannel inputChannel) { |
| if (mInputConsumers.containsKey(name)) { |
| throw new IllegalStateException("Existing input consumer found with name: " + name); |
| } |
| |
| final InputConsumerImpl consumer = new InputConsumerImpl(mService, name, inputChannel); |
| switch (name) { |
| case INPUT_CONSUMER_WALLPAPER: |
| consumer.mWindowHandle.hasWallpaper = true; |
| break; |
| case INPUT_CONSUMER_PIP: |
| // The touchable region of the Pip input window is cropped to the bounds of the |
| // stack, and we need FLAG_NOT_TOUCH_MODAL to ensure other events fall through |
| consumer.mWindowHandle.layoutParamsFlags |= FLAG_NOT_TOUCH_MODAL; |
| break; |
| } |
| addInputConsumer(name, consumer); |
| } |
| |
| /* Notifies the window manager about a broken input channel. |
| * |
| * Called by the InputManager. |
| */ |
| @Override |
| public void notifyInputChannelBroken(InputWindowHandle inputWindowHandle) { |
| if (inputWindowHandle == null) { |
| return; |
| } |
| |
| synchronized (mService.mWindowMap) { |
| WindowState windowState = (WindowState) inputWindowHandle.windowState; |
| if (windowState != null) { |
| Slog.i(TAG_WM, "WINDOW DIED " + windowState); |
| windowState.removeIfPossible(); |
| } |
| } |
| } |
| |
| /* Notifies the window manager about an application that is not responding. |
| * Returns a new timeout to continue waiting in nanoseconds, or 0 to abort dispatch. |
| * |
| * Called by the InputManager. |
| */ |
| @Override |
| public long notifyANR(InputApplicationHandle inputApplicationHandle, |
| InputWindowHandle inputWindowHandle, String reason) { |
| AppWindowToken appWindowToken = null; |
| WindowState windowState = null; |
| boolean aboveSystem = false; |
| synchronized (mService.mWindowMap) { |
| if (inputWindowHandle != null) { |
| windowState = (WindowState) inputWindowHandle.windowState; |
| if (windowState != null) { |
| appWindowToken = windowState.mAppToken; |
| } |
| } |
| if (appWindowToken == null && inputApplicationHandle != null) { |
| appWindowToken = (AppWindowToken)inputApplicationHandle.appWindowToken; |
| } |
| |
| if (windowState != null) { |
| Slog.i(TAG_WM, "Input event dispatching timed out " |
| + "sending to " + windowState.mAttrs.getTitle() |
| + ". Reason: " + reason); |
| // Figure out whether this window is layered above system windows. |
| // We need to do this here to help the activity manager know how to |
| // layer its ANR dialog. |
| int systemAlertLayer = mService.mPolicy.getWindowLayerFromTypeLw( |
| TYPE_APPLICATION_OVERLAY, windowState.mOwnerCanAddInternalSystemWindow); |
| aboveSystem = windowState.mBaseLayer > systemAlertLayer; |
| } else if (appWindowToken != null) { |
| Slog.i(TAG_WM, "Input event dispatching timed out " |
| + "sending to application " + appWindowToken.stringName |
| + ". Reason: " + reason); |
| } else { |
| Slog.i(TAG_WM, "Input event dispatching timed out " |
| + ". Reason: " + reason); |
| } |
| |
| mService.saveANRStateLocked(appWindowToken, windowState, reason); |
| } |
| |
| if (appWindowToken != null && appWindowToken.appToken != null) { |
| // Notify the activity manager about the timeout and let it decide whether |
| // to abort dispatching or keep waiting. |
| final AppWindowContainerController controller = appWindowToken.getController(); |
| final boolean abort = controller != null && controller.keyDispatchingTimedOut(reason); |
| if (!abort) { |
| // The activity manager declined to abort dispatching. |
| // Wait a bit longer and timeout again later. |
| return appWindowToken.mInputDispatchingTimeoutNanos; |
| } |
| } else if (windowState != null) { |
| try { |
| // Notify the activity manager about the timeout and let it decide whether |
| // to abort dispatching or keep waiting. |
| long timeout = ActivityManager.getService().inputDispatchingTimedOut( |
| windowState.mSession.mPid, aboveSystem, reason); |
| if (timeout >= 0) { |
| // The activity manager declined to abort dispatching. |
| // Wait a bit longer and timeout again later. |
| return timeout * 1000000L; // nanoseconds |
| } |
| } catch (RemoteException ex) { |
| } |
| } |
| return 0; // abort dispatching |
| } |
| |
| void addInputWindowHandle(final InputWindowHandle windowHandle) { |
| if (mInputWindowHandles == null) { |
| mInputWindowHandles = new InputWindowHandle[16]; |
| } |
| if (mInputWindowHandleCount >= mInputWindowHandles.length) { |
| mInputWindowHandles = Arrays.copyOf(mInputWindowHandles, |
| mInputWindowHandleCount * 2); |
| } |
| mInputWindowHandles[mInputWindowHandleCount++] = windowHandle; |
| } |
| |
| void addInputWindowHandle(final InputWindowHandle inputWindowHandle, |
| final WindowState child, int flags, final int type, final boolean isVisible, |
| final boolean hasFocus, final boolean hasWallpaper) { |
| // Add a window to our list of input windows. |
| inputWindowHandle.name = child.toString(); |
| flags = child.getTouchableRegion(inputWindowHandle.touchableRegion, flags); |
| inputWindowHandle.layoutParamsFlags = flags; |
| inputWindowHandle.layoutParamsType = type; |
| inputWindowHandle.dispatchingTimeoutNanos = child.getInputDispatchingTimeoutNanos(); |
| inputWindowHandle.visible = isVisible; |
| inputWindowHandle.canReceiveKeys = child.canReceiveKeys(); |
| inputWindowHandle.hasFocus = hasFocus; |
| inputWindowHandle.hasWallpaper = hasWallpaper; |
| inputWindowHandle.paused = child.mAppToken != null ? child.mAppToken.paused : false; |
| inputWindowHandle.layer = child.mLayer; |
| inputWindowHandle.ownerPid = child.mSession.mPid; |
| inputWindowHandle.ownerUid = child.mSession.mUid; |
| inputWindowHandle.inputFeatures = child.mAttrs.inputFeatures; |
| |
| final Rect frame = child.mFrame; |
| inputWindowHandle.frameLeft = frame.left; |
| inputWindowHandle.frameTop = frame.top; |
| inputWindowHandle.frameRight = frame.right; |
| inputWindowHandle.frameBottom = frame.bottom; |
| |
| if (child.mGlobalScale != 1) { |
| // If we are scaling the window, input coordinates need |
| // to be inversely scaled to map from what is on screen |
| // to what is actually being touched in the UI. |
| inputWindowHandle.scaleFactor = 1.0f/child.mGlobalScale; |
| } else { |
| inputWindowHandle.scaleFactor = 1; |
| } |
| |
| if (DEBUG_INPUT) { |
| Slog.d(TAG_WM, "addInputWindowHandle: " |
| + child + ", " + inputWindowHandle); |
| } |
| addInputWindowHandle(inputWindowHandle); |
| if (hasFocus) { |
| mFocusedInputWindowHandle = inputWindowHandle; |
| } |
| } |
| |
| private void clearInputWindowHandlesLw() { |
| while (mInputWindowHandleCount != 0) { |
| mInputWindowHandles[--mInputWindowHandleCount] = null; |
| } |
| mFocusedInputWindowHandle = null; |
| } |
| |
| void setUpdateInputWindowsNeededLw() { |
| mUpdateInputWindowsNeeded = true; |
| } |
| |
| /* Updates the cached window information provided to the input dispatcher. */ |
| void updateInputWindowsLw(boolean force) { |
| if (!force && !mUpdateInputWindowsNeeded) { |
| return; |
| } |
| mUpdateInputWindowsNeeded = false; |
| |
| if (false) Slog.d(TAG_WM, ">>>>>> ENTERED updateInputWindowsLw"); |
| |
| // Populate the input window list with information about all of the windows that |
| // could potentially receive input. |
| // As an optimization, we could try to prune the list of windows but this turns |
| // out to be difficult because only the native code knows for sure which window |
| // currently has touch focus. |
| |
| // If there's a drag in flight, provide a pseudo-window to catch drag input |
| final boolean inDrag = (mService.mDragState != null); |
| if (inDrag) { |
| if (DEBUG_DRAG) { |
| Log.d(TAG_WM, "Inserting drag window"); |
| } |
| final InputWindowHandle dragWindowHandle = mService.mDragState.getInputWindowHandle(); |
| if (dragWindowHandle != null) { |
| addInputWindowHandle(dragWindowHandle); |
| } else { |
| Slog.w(TAG_WM, "Drag is in progress but there is no " |
| + "drag window handle."); |
| } |
| } |
| |
| final boolean inPositioning = (mService.mTaskPositioner != null); |
| if (inPositioning) { |
| if (DEBUG_TASK_POSITIONING) { |
| Log.d(TAG_WM, "Inserting window handle for repositioning"); |
| } |
| final InputWindowHandle dragWindowHandle = mService.mTaskPositioner.mDragWindowHandle; |
| if (dragWindowHandle != null) { |
| addInputWindowHandle(dragWindowHandle); |
| } else { |
| Slog.e(TAG_WM, |
| "Repositioning is in progress but there is no drag window handle."); |
| } |
| } |
| |
| // Add all windows on the default display. |
| mUpdateInputForAllWindowsConsumer.updateInputWindows(inDrag); |
| |
| if (false) Slog.d(TAG_WM, "<<<<<<< EXITED updateInputWindowsLw"); |
| } |
| |
| /* Notifies that the input device configuration has changed. */ |
| @Override |
| public void notifyConfigurationChanged() { |
| // TODO(multi-display): Notify proper displays that are associated with this input device. |
| mService.sendNewConfiguration(DEFAULT_DISPLAY); |
| |
| synchronized (mInputDevicesReadyMonitor) { |
| if (!mInputDevicesReady) { |
| mInputDevicesReady = true; |
| mInputDevicesReadyMonitor.notifyAll(); |
| } |
| } |
| } |
| |
| /* Waits until the built-in input devices have been configured. */ |
| public boolean waitForInputDevicesReady(long timeoutMillis) { |
| synchronized (mInputDevicesReadyMonitor) { |
| if (!mInputDevicesReady) { |
| try { |
| mInputDevicesReadyMonitor.wait(timeoutMillis); |
| } catch (InterruptedException ex) { |
| } |
| } |
| return mInputDevicesReady; |
| } |
| } |
| |
| /* Notifies that the lid switch changed state. */ |
| @Override |
| public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) { |
| mService.mPolicy.notifyLidSwitchChanged(whenNanos, lidOpen); |
| } |
| |
| /* Notifies that the camera lens cover state has changed. */ |
| @Override |
| public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) { |
| mService.mPolicy.notifyCameraLensCoverSwitchChanged(whenNanos, lensCovered); |
| } |
| |
| /* Provides an opportunity for the window manager policy to intercept early key |
| * processing as soon as the key has been read from the device. */ |
| @Override |
| public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) { |
| return mService.mPolicy.interceptKeyBeforeQueueing(event, policyFlags); |
| } |
| |
| /* Provides an opportunity for the window manager policy to intercept early motion event |
| * processing when the device is in a non-interactive state since these events are normally |
| * dropped. */ |
| @Override |
| public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) { |
| return mService.mPolicy.interceptMotionBeforeQueueingNonInteractive( |
| whenNanos, policyFlags); |
| } |
| |
| /* Provides an opportunity for the window manager policy to process a key before |
| * ordinary dispatch. */ |
| @Override |
| public long interceptKeyBeforeDispatching( |
| InputWindowHandle focus, KeyEvent event, int policyFlags) { |
| WindowState windowState = focus != null ? (WindowState) focus.windowState : null; |
| return mService.mPolicy.interceptKeyBeforeDispatching(windowState, event, policyFlags); |
| } |
| |
| /* Provides an opportunity for the window manager policy to process a key that |
| * the application did not handle. */ |
| @Override |
| public KeyEvent dispatchUnhandledKey( |
| InputWindowHandle focus, KeyEvent event, int policyFlags) { |
| WindowState windowState = focus != null ? (WindowState) focus.windowState : null; |
| return mService.mPolicy.dispatchUnhandledKey(windowState, event, policyFlags); |
| } |
| |
| /* Callback to get pointer layer. */ |
| @Override |
| public int getPointerLayer() { |
| return mService.mPolicy.getWindowLayerFromTypeLw(WindowManager.LayoutParams.TYPE_POINTER) |
| * WindowManagerService.TYPE_LAYER_MULTIPLIER |
| + WindowManagerService.TYPE_LAYER_OFFSET; |
| } |
| |
| /* Called when the current input focus changes. |
| * Layer assignment is assumed to be complete by the time this is called. |
| */ |
| public void setInputFocusLw(WindowState newWindow, boolean updateInputWindows) { |
| if (DEBUG_FOCUS_LIGHT || DEBUG_INPUT) { |
| Slog.d(TAG_WM, "Input focus has changed to " + newWindow); |
| } |
| |
| if (newWindow != mInputFocus) { |
| if (newWindow != null && newWindow.canReceiveKeys()) { |
| // Displaying a window implicitly causes dispatching to be unpaused. |
| // This is to protect against bugs if someone pauses dispatching but |
| // forgets to resume. |
| newWindow.mToken.paused = false; |
| } |
| |
| mInputFocus = newWindow; |
| setUpdateInputWindowsNeededLw(); |
| |
| if (updateInputWindows) { |
| updateInputWindowsLw(false /*force*/); |
| } |
| } |
| } |
| |
| public void setFocusedAppLw(AppWindowToken newApp) { |
| // Focused app has changed. |
| if (newApp == null) { |
| mService.mInputManager.setFocusedApplication(null); |
| } else { |
| final InputApplicationHandle handle = newApp.mInputApplicationHandle; |
| handle.name = newApp.toString(); |
| handle.dispatchingTimeoutNanos = newApp.mInputDispatchingTimeoutNanos; |
| |
| mService.mInputManager.setFocusedApplication(handle); |
| } |
| } |
| |
| public void pauseDispatchingLw(WindowToken window) { |
| if (! window.paused) { |
| if (DEBUG_INPUT) { |
| Slog.v(TAG_WM, "Pausing WindowToken " + window); |
| } |
| |
| window.paused = true; |
| updateInputWindowsLw(true /*force*/); |
| } |
| } |
| |
| public void resumeDispatchingLw(WindowToken window) { |
| if (window.paused) { |
| if (DEBUG_INPUT) { |
| Slog.v(TAG_WM, "Resuming WindowToken " + window); |
| } |
| |
| window.paused = false; |
| updateInputWindowsLw(true /*force*/); |
| } |
| } |
| |
| public void freezeInputDispatchingLw() { |
| if (!mInputDispatchFrozen) { |
| if (DEBUG_INPUT) { |
| Slog.v(TAG_WM, "Freezing input dispatching"); |
| } |
| |
| mInputDispatchFrozen = true; |
| |
| if (DEBUG_INPUT || true) { |
| mInputFreezeReason = Debug.getCallers(6); |
| } |
| updateInputDispatchModeLw(); |
| } |
| } |
| |
| public void thawInputDispatchingLw() { |
| if (mInputDispatchFrozen) { |
| if (DEBUG_INPUT) { |
| Slog.v(TAG_WM, "Thawing input dispatching"); |
| } |
| |
| mInputDispatchFrozen = false; |
| mInputFreezeReason = null; |
| updateInputDispatchModeLw(); |
| } |
| } |
| |
| public void setEventDispatchingLw(boolean enabled) { |
| if (mInputDispatchEnabled != enabled) { |
| if (DEBUG_INPUT) { |
| Slog.v(TAG_WM, "Setting event dispatching to " + enabled); |
| } |
| |
| mInputDispatchEnabled = enabled; |
| updateInputDispatchModeLw(); |
| } |
| } |
| |
| private void updateInputDispatchModeLw() { |
| mService.mInputManager.setInputDispatchMode(mInputDispatchEnabled, mInputDispatchFrozen); |
| } |
| |
| void dump(PrintWriter pw, String prefix) { |
| if (mInputFreezeReason != null) { |
| pw.println(prefix + "mInputFreezeReason=" + mInputFreezeReason); |
| } |
| } |
| |
| private final class UpdateInputForAllWindowsConsumer implements Consumer<WindowState> { |
| |
| InputConsumerImpl navInputConsumer; |
| InputConsumerImpl pipInputConsumer; |
| InputConsumerImpl wallpaperInputConsumer; |
| Rect pipTouchableBounds; |
| boolean inDrag; |
| WallpaperController wallpaperController; |
| |
| private void updateInputWindows(boolean inDrag) { |
| |
| // TODO: multi-display |
| navInputConsumer = getInputConsumer(INPUT_CONSUMER_NAVIGATION, DEFAULT_DISPLAY); |
| pipInputConsumer = getInputConsumer(INPUT_CONSUMER_PIP, DEFAULT_DISPLAY); |
| wallpaperInputConsumer = getInputConsumer(INPUT_CONSUMER_WALLPAPER, DEFAULT_DISPLAY); |
| mAddInputConsumerHandle = navInputConsumer != null; |
| mAddPipInputConsumerHandle = pipInputConsumer != null; |
| mAddWallpaperInputConsumerHandle = wallpaperInputConsumer != null; |
| mTmpRect.setEmpty(); |
| pipTouchableBounds = mAddPipInputConsumerHandle ? mTmpRect : null; |
| mDisableWallpaperTouchEvents = false; |
| this.inDrag = inDrag; |
| wallpaperController = mService.mRoot.mWallpaperController; |
| |
| mService.mRoot.forAllWindows(this, true /* traverseTopToBottom */); |
| if (mAddWallpaperInputConsumerHandle) { |
| // No visible wallpaper found, add the wallpaper input consumer at the end. |
| addInputWindowHandle(wallpaperInputConsumer.mWindowHandle); |
| } |
| |
| // Send windows to native code. |
| mService.mInputManager.setInputWindows(mInputWindowHandles, mFocusedInputWindowHandle); |
| |
| clearInputWindowHandlesLw(); |
| } |
| |
| @Override |
| public void accept(WindowState w) { |
| final InputChannel inputChannel = w.mInputChannel; |
| final InputWindowHandle inputWindowHandle = w.mInputWindowHandle; |
| if (inputChannel == null || inputWindowHandle == null || w.mRemoved |
| || w.canReceiveTouchInput()) { |
| // Skip this window because it cannot possibly receive input. |
| return; |
| } |
| |
| final int flags = w.mAttrs.flags; |
| final int privateFlags = w.mAttrs.privateFlags; |
| final int type = w.mAttrs.type; |
| final boolean hasFocus = w == mInputFocus; |
| final boolean isVisible = w.isVisibleLw(); |
| |
| if (w.getStackId() == PINNED_STACK_ID) { |
| if (mAddPipInputConsumerHandle |
| && (inputWindowHandle.layer <= pipInputConsumer.mWindowHandle.layer)) { |
| // Update the bounds of the Pip input consumer to match the Pinned stack |
| w.getStack().getBounds(pipTouchableBounds); |
| pipInputConsumer.mWindowHandle.touchableRegion.set(pipTouchableBounds); |
| addInputWindowHandle(pipInputConsumer.mWindowHandle); |
| mAddPipInputConsumerHandle = false; |
| } |
| // TODO: Fix w.canReceiveTouchInput() to handle this case |
| if (!hasFocus) { |
| // Skip this pinned stack window if it does not have focus |
| return; |
| } |
| } |
| |
| if (mAddInputConsumerHandle |
| && inputWindowHandle.layer <= navInputConsumer.mWindowHandle.layer) { |
| addInputWindowHandle(navInputConsumer.mWindowHandle); |
| mAddInputConsumerHandle = false; |
| } |
| |
| if (mAddWallpaperInputConsumerHandle) { |
| if (w.mAttrs.type == TYPE_WALLPAPER && w.isVisibleLw()) { |
| // Add the wallpaper input consumer above the first visible wallpaper. |
| addInputWindowHandle(wallpaperInputConsumer.mWindowHandle); |
| mAddWallpaperInputConsumerHandle = false; |
| } |
| } |
| |
| if ((privateFlags & PRIVATE_FLAG_DISABLE_WALLPAPER_TOUCH_EVENTS) != 0) { |
| mDisableWallpaperTouchEvents = true; |
| } |
| final boolean hasWallpaper = wallpaperController.isWallpaperTarget(w) |
| && (privateFlags & PRIVATE_FLAG_KEYGUARD) == 0 |
| && !mDisableWallpaperTouchEvents; |
| |
| // If there's a drag in progress and 'child' is a potential drop target, |
| // make sure it's been told about the drag |
| if (inDrag && isVisible && w.getDisplayContent().isDefaultDisplay) { |
| mService.mDragState.sendDragStartedIfNeededLw(w); |
| } |
| |
| addInputWindowHandle( |
| inputWindowHandle, w, flags, type, isVisible, hasFocus, hasWallpaper); |
| } |
| } |
| } |