Add raw configuration change listener updates. (852dd9d8) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityThread.java

+23 −0

Original line number	Diff line number	Diff line
		@@ -255,6 +255,7 @@ import java.util.Objects;
		import java.util.TimeZone;
		import java.util.concurrent.Executor;
		import java.util.concurrent.atomic.AtomicInteger;
		import java.util.function.Consumer;

		/**
		* This manages the execution of the main thread in an
		@@ -369,6 +370,11 @@ public final class ActivityThread extends ClientTransactionHandler
		@GuardedBy("mAppThread")
		private int mLastProcessState = PROCESS_STATE_UNKNOWN;
		final ArrayList<WeakReference<AssistStructure>> mLastAssistStructures = new ArrayList<>();

		@NonNull
		private final ConfigurationChangedListenerController mConfigurationChangedListenerController =
		new ConfigurationChangedListenerController();

		private int mLastSessionId;
		// Holds the value of the last reported device ID value from the server for the top activity.
		int mLastReportedDeviceId;
		@@ -3536,6 +3542,21 @@ public final class ActivityThread extends ClientTransactionHandler
		return mConfigurationController.getConfiguration();
		}

		/**
		* @hide
		*/
		public void addConfigurationChangedListener(Executor executor,
		Consumer<IBinder> consumer) {
		mConfigurationChangedListenerController.addListener(executor, consumer);
		}

		/**
		* @hide
		*/
		public void removeConfigurationChangedListener(Consumer<IBinder> consumer) {
		mConfigurationChangedListenerController.removeListener(consumer);
		}

		@Override
		public void updatePendingConfiguration(Configuration config) {
		final Configuration updatedConfig =
		@@ -6094,6 +6115,8 @@ public final class ActivityThread extends ClientTransactionHandler
		" did not call through to super.onConfigurationChanged()");
		}
		}
		mConfigurationChangedListenerController
		.dispatchOnConfigurationChanged(activity.getActivityToken());

		return configToReport;
		}

core/java/android/app/ConfigurationChangedListenerController.java

0 → 100644

+116 −0

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 android.app;

		import android.annotation.NonNull;
		import android.os.IBinder;

		import com.android.internal.annotations.GuardedBy;

		import java.util.ArrayList;
		import java.util.List;
		import java.util.concurrent.Executor;
		import java.util.function.Consumer;

		/**
		* Manages listeners for unfiltered configuration changes.
		* @hide
		*/
		class ConfigurationChangedListenerController {

		private final Object mLock = new Object();

		@GuardedBy("mLock")
		private final List<ListenerContainer> mListenerContainers = new ArrayList<>();

		/**
		* Adds a listener to receive updates when they are dispatched. This only dispatches updates and
		* does not relay the last emitted value. If called with the same listener then this method does
		* not have any effect.
		* @param executor an executor that is used to dispatch the updates.
		* @param consumer a listener interested in receiving updates.
		*/
		void addListener(@NonNull Executor executor,
		@NonNull Consumer<IBinder> consumer) {
		synchronized (mLock) {
		if (indexOf(consumer) > -1) {
		return;
		}
		mListenerContainers.add(new ListenerContainer(executor, consumer));
		}
		}

		/**
		* Removes the listener that was previously registered. If the listener was not registered this
		* method does not have any effect.
		*/
		void removeListener(@NonNull Consumer<IBinder> consumer) {
		synchronized (mLock) {
		final int index = indexOf(consumer);
		if (index > -1) {
		mListenerContainers.remove(index);
		}
		}
		}

		/**
		* Dispatches the update to all registered listeners
		* @param activityToken a token for the {@link Activity} that received a configuration update.
		*/
		void dispatchOnConfigurationChanged(@NonNull IBinder activityToken) {
		final List<ListenerContainer> consumers;
		synchronized (mLock) {
		consumers = new ArrayList<>(mListenerContainers);
		}
		for (int i = 0; i < consumers.size(); i++) {
		consumers.get(i).accept(activityToken);
		}
		}

		@GuardedBy("mLock")
		private int indexOf(Consumer<IBinder> consumer) {
		for (int i = 0; i < mListenerContainers.size(); i++) {
		if (mListenerContainers.get(i).isMatch(consumer)) {
		return i;
		}
		}
		return -1;
		}

		private static final class ListenerContainer {

		@NonNull
		private final Executor mExecutor;
		@NonNull
		private final Consumer<IBinder> mConsumer;

		ListenerContainer(@NonNull Executor executor,
		@NonNull Consumer<IBinder> consumer) {
		mExecutor = executor;
		mConsumer = consumer;
		}

		public boolean isMatch(@NonNull Consumer<IBinder> consumer) {
		return mConsumer.equals(consumer);
		}

		public void accept(@NonNull IBinder activityToken) {
		mExecutor.execute(() -> mConsumer.accept(activityToken));
		}

		}
		}

libs/WindowManager/Jetpack/src/androidx/window/extensions/layout/WindowLayoutComponentImpl.java

+35 −4

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@ import static androidx.window.util.ExtensionHelper.rotateRectToDisplayRotation;
		import static androidx.window.util.ExtensionHelper.transformToWindowSpaceRect;

		import android.app.Activity;
		import android.app.ActivityThread;
		import android.app.Application;
		import android.app.WindowConfiguration;
		import android.content.ComponentCallbacks;
		@@ -33,6 +34,7 @@ import android.graphics.Rect;
		import android.os.Bundle;
		import android.os.IBinder;
		import android.util.ArrayMap;
		import android.util.Log;

		import androidx.annotation.GuardedBy;
		import androidx.annotation.NonNull;
		@@ -59,7 +61,7 @@ import java.util.Set;
		* Please refer to {@link androidx.window.sidecar.SampleSidecarImpl} instead.
		*/
		public class WindowLayoutComponentImpl implements WindowLayoutComponent {
		private static final String TAG = "SampleExtension";
		private static final String TAG = WindowLayoutComponentImpl.class.getSimpleName();

		private final Object mLock = new Object();

		@@ -81,6 +83,9 @@ public class WindowLayoutComponentImpl implements WindowLayoutComponent {
		private final Map<java.util.function.Consumer<WindowLayoutInfo>, Consumer<WindowLayoutInfo>>
		mJavaToExtConsumers = new ArrayMap<>();

		private final RawConfigurationChangedListener mRawConfigurationChangedListener =
		new RawConfigurationChangedListener();

		public WindowLayoutComponentImpl(@NonNull Context context,
		@NonNull DeviceStateManagerFoldingFeatureProducer foldingFeatureProducer) {
		((Application) context.getApplicationContext())
		@@ -109,6 +114,7 @@ public class WindowLayoutComponentImpl implements WindowLayoutComponent {
		final Consumer<WindowLayoutInfo> extConsumer = consumer::accept;
		synchronized (mLock) {
		mJavaToExtConsumers.put(consumer, extConsumer);
		updateListenerRegistrations();
		}
		addWindowLayoutInfoListener(activity, extConsumer);
		}
		@@ -162,6 +168,7 @@ public class WindowLayoutComponentImpl implements WindowLayoutComponent {
		final Consumer<WindowLayoutInfo> extConsumer;
		synchronized (mLock) {
		extConsumer = mJavaToExtConsumers.remove(consumer);
		updateListenerRegistrations();
		}
		if (extConsumer != null) {
		removeWindowLayoutInfoListener(extConsumer);
		@@ -191,6 +198,17 @@ public class WindowLayoutComponentImpl implements WindowLayoutComponent {
		}
		}

		@GuardedBy("mLock")
		private void updateListenerRegistrations() {
		ActivityThread currentThread = ActivityThread.currentActivityThread();
		if (mJavaToExtConsumers.isEmpty()) {
		currentThread.removeConfigurationChangedListener(mRawConfigurationChangedListener);
		} else {
		currentThread.addConfigurationChangedListener(Runnable::run,
		mRawConfigurationChangedListener);
		}
		}

		@GuardedBy("mLock")
		@NonNull
		private Set<Context> getContextsListeningForLayoutChanges() {
		@@ -336,25 +354,28 @@ public class WindowLayoutComponentImpl implements WindowLayoutComponent {
		continue;
		}
		if (featureRect.left != 0 && featureRect.top != 0) {
		throw new IllegalArgumentException("Bounding rectangle must start at the top or "
		Log.wtf(TAG, "Bounding rectangle must start at the top or "
		+ "left of the window. BaseFeatureRect: " + baseFeature.getRect()
		+ ", FeatureRect: " + featureRect
		+ ", WindowConfiguration: " + windowConfiguration);
		continue;

		}
		if (featureRect.left == 0
		&& featureRect.width() != windowConfiguration.getBounds().width()) {
		throw new IllegalArgumentException("Horizontal FoldingFeature must have full width."
		Log.wtf(TAG, "Horizontal FoldingFeature must have full width."
		+ " BaseFeatureRect: " + baseFeature.getRect()
		+ ", FeatureRect: " + featureRect
		+ ", WindowConfiguration: " + windowConfiguration);
		continue;
		}
		if (featureRect.top == 0
		&& featureRect.height() != windowConfiguration.getBounds().height()) {
		throw new IllegalArgumentException("Vertical FoldingFeature must have full height."
		Log.wtf(TAG, "Vertical FoldingFeature must have full height."
		+ " BaseFeatureRect: " + baseFeature.getRect()
		+ ", FeatureRect: " + featureRect
		+ ", WindowConfiguration: " + windowConfiguration);
		continue;
		}
		features.add(new FoldingFeature(featureRect, baseFeature.getType(), state));
		}
		@@ -407,6 +428,16 @@ public class WindowLayoutComponentImpl implements WindowLayoutComponent {
		}
		}

		private final class RawConfigurationChangedListener implements
		java.util.function.Consumer<IBinder> {
		@Override
		public void accept(IBinder activityToken) {
		synchronized (mLock) {
		onDisplayFeaturesChangedIfListening(activityToken);
		}
		}
		}

		private final class ConfigurationChangeListener implements ComponentCallbacks {
		final IBinder mToken;