Remove ImeTargetVisibilityPolicy (3d7e6c22) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/inputmethod/InputMethodManagerService.java

+2 −6

Original line number	Diff line number	Diff line
		@@ -192,7 +192,6 @@ import com.android.server.inputmethod.InputMethodSubtypeSwitchingController.ImeS
		import com.android.server.pm.UserManagerInternal;
		import com.android.server.statusbar.StatusBarManagerInternal;
		import com.android.server.utils.PriorityDump;
		import com.android.server.wm.ImeTargetVisibilityPolicy;
		import com.android.server.wm.WindowManagerInternal;

		import java.io.FileDescriptor;
		@@ -435,8 +434,6 @@ public final class InputMethodManagerService implements IInputMethodManagerImpl.
		@MultiUserUnawareField
		private final InputMethodMenuController mMenuController;
		private final InputMethodMenuControllerNew mMenuControllerNew;
		@NonNull
		private final ImeTargetVisibilityPolicy mImeTargetVisibilityPolicy;

		/**
		* Cache the result of {@code LocalServices.getService(AudioManagerInternal.class)}.
		@@ -1243,7 +1240,6 @@ public final class InputMethodManagerService implements IInputMethodManagerImpl.
		mImePlatformCompatUtils = new ImePlatformCompatUtils();
		mInputMethodDeviceConfigs = new InputMethodDeviceConfigs();
		mUserManagerInternal = LocalServices.getService(UserManagerInternal.class);
		mImeTargetVisibilityPolicy = LocalServices.getService(ImeTargetVisibilityPolicy.class);

		mSlotIme = mContext.getString(com.android.internal.R.string.status_bar_ime);

		@@ -5422,7 +5418,7 @@ public final class InputMethodManagerService implements IInputMethodManagerImpl.
		@VisibleForTesting
		@GuardedBy("ImfLock.class")
		void showImeScreenshot(IBinder imeTarget, int displayId, @UserIdInt int userId) {
		if (mImeTargetVisibilityPolicy.showImeScreenshot(imeTarget, displayId)) {
		if (mWindowManagerInternal.showImeScreenshot(imeTarget, displayId)) {
		onShowHideSoftInputRequested(false /* show */, imeTarget,
		SoftInputShowHideReason.SHOW_IME_SCREENSHOT_FROM_IMMS, null /* statsToken */,
		userId);
		@@ -5439,7 +5435,7 @@ public final class InputMethodManagerService implements IInputMethodManagerImpl.
		@VisibleForTesting
		@GuardedBy("ImfLock.class")
		void removeImeScreenshot(IBinder imeTarget, int displayId, @UserIdInt int userId) {
		if (mImeTargetVisibilityPolicy.removeImeScreenshot(displayId)) {
		if (mWindowManagerInternal.removeImeScreenshot(displayId)) {
		onShowHideSoftInputRequested(false /* show */, imeTarget,
		SoftInputShowHideReason.REMOVE_IME_SCREENSHOT_FROM_IMMS, null /* statsToken */,
		userId);

services/core/java/com/android/server/wm/DisplayContent.java

+81 −1

Original line number	Diff line number	Diff line
		@@ -4902,7 +4902,7 @@ class DisplayContent extends RootDisplayArea implements WindowManagerPolicy.Disp
		@VisibleForTesting
		@Nullable
		WindowContainer computeImeParent() {
		if (!ImeTargetVisibilityPolicy.canComputeImeParent(mImeLayeringTarget, mImeInputTarget)) {
		if (!canComputeImeParent(mImeLayeringTarget, mImeInputTarget)) {
		return null;
		}
		// Attach it to app if the IME layering target is part of an app that is covering the entire
		@@ -4915,6 +4915,86 @@ class DisplayContent extends RootDisplayArea implements WindowManagerPolicy.Disp
		return mImeWindowsContainer.getParent();
		}

		/**
		* Called from {@link #computeImeParent()} to check if we can compute the new IME parent
		* based on the given IME layering and IME input target.
		*
		* @param imeLayeringTarget The window the IME is on top of.
		* @param imeInputTarget The target which receives input from the IME.
		* @return {@code true} to keep computing the IME parent, {@code false} to defer this operation.
		*/
		private static boolean canComputeImeParent(@Nullable WindowState imeLayeringTarget,
		@Nullable InputTarget imeInputTarget) {
		if (imeLayeringTarget == null) {
		return false;
		}
		if (shouldComputeImeParentForEmbeddedActivity(imeLayeringTarget, imeInputTarget)) {
		return true;
		}
		// Ensure changing the IME parent when the layering target that may use IME has
		// became to the input target for preventing IME flickers.
		// Note that:
		// 1) For the imeLayeringTarget that may not use IME but requires IME on top
		// of it (e.g. an overlay window with NOT_FOCUSABLE\|ALT_FOCUSABLE_IM flags), we allow
		// it to re-parent the IME on top the display to keep the legacy behavior.
		// 2) Even though the starting window won't use IME, the associated activity
		// behind the starting window may request the input. If so, then we should still hold
		// the IME parent change until the activity started the input.
		boolean imeLayeringTargetMayUseIme =
		WindowManager.LayoutParams.mayUseInputMethod(imeLayeringTarget.mAttrs.flags)
		\|\| imeLayeringTarget.mAttrs.type == TYPE_APPLICATION_STARTING;
		// Do not change parent if the window hasn't requested IME.
		boolean inputAndLayeringTargetsDisagree = (imeInputTarget == null
		\|\| imeLayeringTarget.mActivityRecord != imeInputTarget.getActivityRecord());
		boolean inputTargetStale = imeLayeringTargetMayUseIme && inputAndLayeringTargetsDisagree;

		return !inputTargetStale;
		}

		/**
		* Called from {@link #computeImeParent()} to check if the IME surface parent should be
		* updated in ActivityEmbeddings, based on the given IME layering and IME input target.
		*
		* <p>As the IME layering target is calculated according to the window hierarchy by
		* {@link #computeImeLayeringTarget}, the layering target and input target may be different
		* when the window hasn't started input connection, WindowManagerService hasn't yet received
		* the input target which reported from InputMethodManagerService. To make sure the IME
		* surface will be shown on the best fit IME layering target, we basically won't update IME
		* parent until both IME layering and input target are updated, for better IME transition.
		*
		* <p>However, in activity embedding, tapping a window won't update it to the top window so the
		* IME layering target may be higher than input target. Update IME parent in this case.
		*
		* @param imeLayeringTarget The window the IME is on top of.
		* @param imeInputTarget The target which receives input from the IME.
		*
		* @return {@code true} means the layer of IME layering target is higher than the input target
		* and {@link #computeImeParent()} should keep progressing to update the IME surface parent
		* on the display in case the IME surface was left behind.
		*/
		private static boolean shouldComputeImeParentForEmbeddedActivity(
		@Nullable WindowState imeLayeringTarget, @Nullable InputTarget imeInputTarget) {
		if (imeInputTarget == null \|\| imeLayeringTarget == null) {
		return false;
		}
		final WindowState inputTargetWindow = imeInputTarget.getWindowState();
		if (inputTargetWindow == null \|\| !imeLayeringTarget.isAttached()
		\|\| !inputTargetWindow.isAttached()) {
		return false;
		}

		final ActivityRecord inputTargetRecord = imeInputTarget.getActivityRecord();
		final ActivityRecord layeringTargetRecord = imeLayeringTarget.getActivityRecord();
		if (inputTargetRecord == null \|\| layeringTargetRecord == null
		\|\| inputTargetRecord == layeringTargetRecord
		\|\| (inputTargetRecord.getTask() != layeringTargetRecord.getTask())
		\|\| !inputTargetRecord.isEmbedded() \|\| !layeringTargetRecord.isEmbedded()) {
		// Check whether the input target and layering target are embedded in the same Task.
		return false;
		}
		return imeLayeringTarget.compareTo(inputTargetWindow) > 0;
		}

		void setLayoutNeeded() {
		if (DEBUG_LAYOUT) Slog.w(TAG_WM, "setLayoutNeeded: callers=" + Debug.getCallers(3));
		mLayoutNeeded = true;

services/core/java/com/android/server/wm/ImeTargetVisibilityPolicy.java

deleted100644 → 0

+0 −131

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2023 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.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.os.IBinder;
		import android.view.WindowManager;

		/**
		* A class for {@link com.android.server.inputmethod.InputMethodManagerService} to
		* control IME visibility operations in {@link WindowManagerService}.
		*/
		public abstract class ImeTargetVisibilityPolicy {

		/**
		* Shows the IME screenshot and attaches it to the given IME target window.
		*
		* @param imeTarget the token of the IME target window.
		* @param displayId the ID of the display to show the screenshot on.
		* @return {@code true} if successful, {@code false} otherwise.
		*/
		public abstract boolean showImeScreenshot(@NonNull IBinder imeTarget, int displayId);

		/**
		* Removes the IME screenshot from the given display.
		*
		* @param displayId The target display of showing IME screenshot.
		* @return {@code true} if successful, {@code false} otherwise.
		*/
		public abstract boolean removeImeScreenshot(int displayId);

		/**
		* Called from {@link DisplayContent#computeImeParent()} to check if we can compute the new IME
		* parent based on the given IME layering and IME input target.
		*
		* @param imeLayeringTarget The window the IME is on top of.
		* @param imeInputTarget The target which receives input from the IME.
		* @return {@code true} to keep computing the IME parent, {@code false} to defer this operation.
		*/
		public static boolean canComputeImeParent(@Nullable WindowState imeLayeringTarget,
		@Nullable InputTarget imeInputTarget) {
		if (imeLayeringTarget == null) {
		return false;
		}
		if (shouldComputeImeParentForEmbeddedActivity(imeLayeringTarget, imeInputTarget)) {
		return true;
		}
		// Ensure changing the IME parent when the layering target that may use IME has
		// became to the input target for preventing IME flickers.
		// Note that:
		// 1) For the imeLayeringTarget that may not use IME but requires IME on top
		// of it (e.g. an overlay window with NOT_FOCUSABLE\|ALT_FOCUSABLE_IM flags), we allow
		// it to re-parent the IME on top the display to keep the legacy behavior.
		// 2) Even though the starting window won't use IME, the associated activity
		// behind the starting window may request the input. If so, then we should still hold
		// the IME parent change until the activity started the input.
		boolean imeLayeringTargetMayUseIme =
		WindowManager.LayoutParams.mayUseInputMethod(imeLayeringTarget.mAttrs.flags)
		\|\| imeLayeringTarget.mAttrs.type == TYPE_APPLICATION_STARTING;
		// Do not change parent if the window hasn't requested IME.
		boolean inputAndLayeringTargetsDisagree = (imeInputTarget == null
		\|\| imeLayeringTarget.mActivityRecord != imeInputTarget.getActivityRecord());
		boolean inputTargetStale = imeLayeringTargetMayUseIme && inputAndLayeringTargetsDisagree;

		return !inputTargetStale;
		}


		/**
		* Called from {@link DisplayContent#computeImeParent()} to check if the IME surface parent
		* should be updated in ActivityEmbeddings, based on the given IME layering and IME input
		* target.
		*
		* <p>As the IME layering target is calculated according to the window hierarchy by
		* {@link DisplayContent#computeImeLayeringTarget}, the layering target and input target may be
		* different when the window hasn't started input connection, WindowManagerService hasn't yet
		* received the input target which reported from InputMethodManagerService. To make sure the IME
		* surface will be shown on the best fit IME layering target, we basically won't update IME
		* parent until both IME layering and input target are updated, for better IME transition.
		*
		* <p>However, in activity embedding, tapping a window won't update it to the top window so the
		* IME layering target may be higher than input target. Update IME parent in this case.
		*
		* @param imeLayeringTarget The window the IME is on top of.
		* @param imeInputTarget The target which receives input from the IME.
		*
		* @return {@code true} means the layer of IME layering target is higher than the input target
		* and {@link DisplayContent#computeImeParent()} should keep progressing to update the IME
		* surface parent on the display in case the IME surface was left behind.
		*/
		private static boolean shouldComputeImeParentForEmbeddedActivity(
		@Nullable WindowState imeLayeringTarget, @Nullable InputTarget imeInputTarget) {
		if (imeInputTarget == null \|\| imeLayeringTarget == null) {
		return false;
		}
		final WindowState inputTargetWindow = imeInputTarget.getWindowState();
		if (inputTargetWindow == null \|\| !imeLayeringTarget.isAttached()
		\|\| !inputTargetWindow.isAttached()) {
		return false;
		}

		final ActivityRecord inputTargetRecord = imeInputTarget.getActivityRecord();
		final ActivityRecord layeringTargetRecord = imeLayeringTarget.getActivityRecord();
		if (inputTargetRecord == null \|\| layeringTargetRecord == null
		\|\| inputTargetRecord == layeringTargetRecord
		\|\| (inputTargetRecord.getTask() != layeringTargetRecord.getTask())
		\|\| !inputTargetRecord.isEmbedded() \|\| !layeringTargetRecord.isEmbedded()) {
		// Check whether the input target and layering target are embedded in the same Task.
		return false;
		}
		return imeLayeringTarget.compareTo(inputTargetWindow) > 0;
		}
		}

services/core/java/com/android/server/wm/WindowManagerInternal.java

+17 −0

Original line number	Diff line number	Diff line
		@@ -713,6 +713,23 @@ public abstract class WindowManagerInternal {
		*/
		public abstract void updateImeTargetWindow(@NonNull IBinder windowToken);

		/**
		* Shows the IME screenshot and attaches it to the given IME target window.
		*
		* @param imeTarget the token of the IME target window.
		* @param displayId the ID of the display to show the screenshot on.
		* @return {@code true} if successful, {@code false} otherwise.
		*/
		public abstract boolean showImeScreenshot(@NonNull IBinder imeTarget, int displayId);

		/**
		* Removes the IME screenshot from the given display.
		*
		* @param displayId The target display of showing IME screenshot.
		* @return {@code true} if successful, {@code false} otherwise.
		*/
		public abstract boolean removeImeScreenshot(int displayId);

		/**
		* Returns true when the hardware keyboard is available.
		*/

services/core/java/com/android/server/wm/WindowManagerService.java

+32 −36

Original line number	Diff line number	Diff line
		@@ -1514,8 +1514,6 @@ public class WindowManagerService extends IWindowManager.Stub
		mConstants.start(new HandlerExecutor(mH));

		LocalServices.addService(WindowManagerInternal.class, new LocalService());
		LocalServices.addService(
		ImeTargetVisibilityPolicy.class, new ImeTargetVisibilityPolicyImpl());
		mEmbeddedWindowController = new EmbeddedWindowController(mAtmService, inputManager);

		mDisplayAreaPolicyProvider = DisplayAreaPolicy.Provider.fromResources(
		@@ -8345,6 +8343,38 @@ public class WindowManagerService extends IWindowManager.Stub
		}
		}

		@Override
		public boolean showImeScreenshot(@NonNull IBinder imeTarget, int displayId) {
		synchronized (mGlobalLock) {
		final WindowState imeTargetWindow = mWindowMap.get(imeTarget);
		if (imeTargetWindow == null) {
		return false;
		}
		final DisplayContent dc = mRoot.getDisplayContent(displayId);
		if (dc == null) {
		Slog.w(TAG, "Invalid displayId:" + displayId + ", fail to show IME screenshot");
		return false;
		}

		dc.showImeScreenshot(imeTargetWindow);
		return true;
		}
		}

		@Override
		public boolean removeImeScreenshot(int displayId) {
		synchronized (mGlobalLock) {
		final DisplayContent dc = mRoot.getDisplayContent(displayId);
		if (dc == null) {
		Slog.w(TAG, "Invalid displayId:" + displayId
		+ ", fail to remove IME screenshot");
		return false;
		}
		dc.removeImeScreenshotImmediately();
		return true;
		}
		}

		@Override
		public boolean isHardKeyboardAvailable() {
		synchronized (mGlobalLock) {
		@@ -9018,40 +9048,6 @@ public class WindowManagerService extends IWindowManager.Stub
		}
		}

		private final class ImeTargetVisibilityPolicyImpl extends ImeTargetVisibilityPolicy {

		@Override
		public boolean showImeScreenshot(@NonNull IBinder imeTarget, int displayId) {
		synchronized (mGlobalLock) {
		final WindowState imeTargetWindow = mWindowMap.get(imeTarget);
		if (imeTargetWindow == null) {
		return false;
		}
		final DisplayContent dc = mRoot.getDisplayContent(displayId);
		if (dc == null) {
		Slog.w(TAG, "Invalid displayId:" + displayId + ", fail to show IME screenshot");
		return false;
		}

		dc.showImeScreenshot(imeTargetWindow);
		return true;
		}
		}
		@Override
		public boolean removeImeScreenshot(int displayId) {
		synchronized (mGlobalLock) {
		final DisplayContent dc = mRoot.getDisplayContent(displayId);
		if (dc == null) {
		Slog.w(TAG, "Invalid displayId:" + displayId
		+ ", fail to remove IME screenshot");
		return false;
		}
		dc.removeImeScreenshotImmediately();
		return true;
		}
		}
		}

		/** Called to inform window manager if non-Vr UI shoul be disabled or not. */
		public void disableNonVrUi(boolean disable) {
		synchronized (mGlobalLock) {