Merge "Add WindowInfosListenerForTest" into udc-dev (a3decbe1) · Commits · e / os / android_frameworks_base

core/api/test-current.txt

+12 −0

Original line number	Diff line number	Diff line
		@@ -3939,6 +3939,18 @@ package android.window {
		method public abstract void onTransactionReady(int, @NonNull android.view.SurfaceControl.Transaction);
		}

		public class WindowInfosListenerForTest {
		ctor public WindowInfosListenerForTest();
		method @RequiresPermission(android.Manifest.permission.ACCESS_SURFACE_FLINGER) public void addWindowInfosListener(@NonNull java.util.function.Consumer<java.util.List<android.window.WindowInfosListenerForTest.WindowInfo>>);
		method public void removeWindowInfosListener(@NonNull java.util.function.Consumer<java.util.List<android.window.WindowInfosListenerForTest.WindowInfo>>);
		}

		public static class WindowInfosListenerForTest.WindowInfo {
		field @NonNull public final android.graphics.Rect bounds;
		field @NonNull public final String name;
		field @NonNull public final android.os.IBinder windowToken;
		}

		public class WindowOrganizer {
		ctor public WindowOrganizer();
		method @RequiresPermission(android.Manifest.permission.MANAGE_ACTIVITY_TASKS) public int applySyncTransaction(@NonNull android.window.WindowContainerTransaction, @NonNull android.window.WindowContainerTransactionCallback);

core/java/android/view/InputWindowHandle.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -244,6 +244,10 @@ public final class InputWindowHandle {
		window = iwindow;
		}

		public @Nullable IBinder getWindowToken() {
		return windowToken;
		}

		public IWindow getWindow() {
		if (window != null) {
		return window;

core/java/android/window/WindowInfosListener.java

+9 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,8 @@

		package android.window;

		import android.Manifest;
		import android.annotation.RequiresPermission;
		import android.graphics.Matrix;
		import android.util.Pair;
		import android.util.Size;
		@@ -49,10 +51,13 @@ public abstract class WindowInfosListener {
		/**
		* Register the WindowInfosListener.
		*
		* Registering WindowInfosListeners should only be done within system_server and shell.
		*
		* @return The cached values for InputWindowHandles and DisplayInfos. This is the last updated
		* value that was sent from SurfaceFlinger to this particular process. If there was nothing
		* registered previously, then the data can be empty.
		*/
		@RequiresPermission(Manifest.permission.ACCESS_SURFACE_FLINGER)
		public Pair<InputWindowHandle[], DisplayInfo[]> register() {
		return nativeRegister(mNativeListener);
		}
		@@ -65,8 +70,12 @@ public abstract class WindowInfosListener {
		}

		private static native long nativeCreate(WindowInfosListener thiz);

		@RequiresPermission(Manifest.permission.ACCESS_SURFACE_FLINGER)
		private static native Pair<InputWindowHandle[], DisplayInfo[]> nativeRegister(long ptr);

		private static native void nativeUnregister(long ptr);

		private static native long nativeGetFinalizer();

		/**

core/java/android/window/WindowInfosListenerForTest.java

0 → 100644

+136 −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.window;

		import android.Manifest;
		import android.annotation.NonNull;
		import android.annotation.RequiresPermission;
		import android.annotation.TestApi;
		import android.graphics.Rect;
		import android.os.IBinder;
		import android.os.InputConfig;
		import android.util.ArrayMap;
		import android.util.Log;
		import android.util.Pair;
		import android.view.InputWindowHandle;

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

		/**
		* Wrapper class to provide access to WindowInfosListener within tests.
		*
		* @hide
		*/
		@TestApi
		public class WindowInfosListenerForTest {

		/**
		* Window properties passed to {@code @WindowInfosListenerForTest#onWindowInfosChanged}.
		*/
		public static class WindowInfo {
		/**
		* The window's token.
		*/
		@NonNull
		public final IBinder windowToken;

		/**
		* The window's name.
		*/
		@NonNull
		public final String name;

		/**
		* The window's position and size in display space.
		*/
		@NonNull
		public final Rect bounds;

		WindowInfo(@NonNull IBinder windowToken, @NonNull String name, @NonNull Rect bounds) {
		this.windowToken = windowToken;
		this.name = name;
		this.bounds = bounds;
		}
		}

		private static final String TAG = "WindowInfosListenerForTest";

		private ArrayMap<Consumer<List<WindowInfo>>, WindowInfosListener> mListeners;

		public WindowInfosListenerForTest() {
		mListeners = new ArrayMap<>();
		}

		/**
		* Register a listener that is called when the system's list of visible windows has changes in
		* position or visibility.
		*
		* @param consumer Consumer that is called with reverse Z ordered lists of WindowInfo instances
		* where the first value is the topmost window.
		*/
		@RequiresPermission(Manifest.permission.ACCESS_SURFACE_FLINGER)
		public void addWindowInfosListener(
		@NonNull Consumer<List<WindowInfo>> consumer) {
		var calledWithInitialState = new CountDownLatch(1);
		var listener = new WindowInfosListener() {
		@Override
		public void onWindowInfosChanged(InputWindowHandle[] windowHandles,
		DisplayInfo[] displayInfos) {
		try {
		calledWithInitialState.await();
		} catch (InterruptedException exception) {
		Log.e(TAG,
		"Exception thrown while waiting for listener to be called with "
		+ "initial state");
		}
		consumer.accept(buildWindowInfos(windowHandles));
		}
		};
		mListeners.put(consumer, listener);
		Pair<InputWindowHandle[], WindowInfosListener.DisplayInfo[]> initialState =
		listener.register();
		consumer.accept(buildWindowInfos(initialState.first));
		calledWithInitialState.countDown();
		}

		/**
		* Unregisters the listener.
		*/
		public void removeWindowInfosListener(@NonNull Consumer<List<WindowInfo>> consumer) {
		WindowInfosListener listener = mListeners.remove(consumer);
		if (listener == null) {
		return;
		}
		listener.unregister();
		}

		private static List<WindowInfo> buildWindowInfos(InputWindowHandle[] windowHandles) {
		var windowInfos = new ArrayList<WindowInfo>(windowHandles.length);
		for (var handle : windowHandles) {
		if ((handle.inputConfig & InputConfig.NOT_VISIBLE) != 0) {
		continue;
		}
		var bounds = new Rect(handle.frameLeft, handle.frameTop, handle.frameRight,
		handle.frameBottom);
		windowInfos.add(new WindowInfo(handle.getWindowToken(), handle.name, bounds));
		}
		return windowInfos;
		}
		}