Merge "Add ViewCapture to all tests which implement AbstractLauncherUiTest."... (0bb6f7ca) · Commits · e / os / android_frameworks_libs_systemui

motiontoollib/src/com/android/app/motiontool/MotionToolManager.kt

+2 −5

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@ import android.view.Choreographer
		import android.view.View
		import android.view.WindowManagerGlobal
		import androidx.annotation.VisibleForTesting
		import com.android.app.viewcapture.SimpleViewCapture
		import com.android.app.viewcapture.ViewCapture
		import com.android.app.viewcapture.data.MotionWindowData

		@@ -43,7 +44,7 @@ import com.android.app.viewcapture.data.MotionWindowData
		* @see [DdmHandleMotionTool]
		*/
		class MotionToolManager private constructor(private val windowManagerGlobal: WindowManagerGlobal) {
		private val viewCapture: ViewCapture = SimpleViewCapture()
		private val viewCapture: ViewCapture = SimpleViewCapture("MTViewCapture")

		companion object {
		private const val TAG = "MotionToolManager"
		@@ -135,10 +136,6 @@ class MotionToolManager private constructor(private val windowManagerGlobal: Win
		private fun getRootView(windowId: String): View? {
		return windowManagerGlobal.getRootView(windowId)
		}

		class SimpleViewCapture : ViewCapture(DEFAULT_MEMORY_SIZE, DEFAULT_INIT_POOL_SIZE,
		MAIN_EXECUTOR.submit { Choreographer.getInstance() }.get(),
		createAndStartNewLooperExecutor("MTViewCapture", Process.THREAD_PRIORITY_FOREGROUND))
		}

		private data class TraceMetadata(

viewcapturelib/src/com/android/app/viewcapture/SettingsAwareViewCapture.kt

+10 −1

Original line number	Diff line number	Diff line
		@@ -24,12 +24,15 @@ import android.os.Looper
		import android.os.ParcelFileDescriptor
		import android.os.Process
		import android.provider.Settings
		import android.util.Log
		import android.view.Choreographer
		import android.window.IDumpCallback
		import androidx.annotation.AnyThread
		import androidx.annotation.VisibleForTesting
		import java.util.concurrent.Executor

		private val TAG = SettingsAwareViewCapture::class.java.simpleName

		/**
		* ViewCapture that listens to system updates and enables / disables attached ViewCapture
		* WindowListeners accordingly. The Settings toggle is currently controlled by the Winscope
		@@ -41,7 +44,13 @@ internal constructor(private val context: Context, choreographer: Choreographer,
		: ViewCapture(DEFAULT_MEMORY_SIZE, DEFAULT_INIT_POOL_SIZE, choreographer, executor) {
		/** Dumps all the active view captures to the wm trace directory via LauncherAppService */
		private val mDumpCallback: IDumpCallback.Stub = object : IDumpCallback.Stub() {
		override fun onDump(out: ParcelFileDescriptor) = dumpTo(out, context)
		override fun onDump(out: ParcelFileDescriptor) {
		try {
		ParcelFileDescriptor.AutoCloseOutputStream(out).use { os -> dumpTo(os, context) }
		} catch (e: Exception) {
		Log.e(TAG, "failed to dump data to wm trace", e)
		}
		}
		}

		init {

viewcapturelib/src/com/android/app/viewcapture/SimpleViewCapture.kt

0 → 100644

+8 −0

Original line number	Diff line number	Diff line
		package com.android.app.viewcapture

		import android.os.Process
		import android.view.Choreographer

		open class SimpleViewCapture(threadName: String) : ViewCapture(DEFAULT_MEMORY_SIZE, DEFAULT_INIT_POOL_SIZE,
		MAIN_EXECUTOR.submit { Choreographer.getInstance() }.get(),
		createAndStartNewLooperExecutor(threadName, Process.THREAD_PRIORITY_FOREGROUND))
		No newline at end of file

viewcapturelib/src/com/android/app/viewcapture/ViewCapture.java

+36 −17

Original line number	Diff line number	Diff line
		@@ -21,10 +21,8 @@ import android.content.res.Resources;
		import android.media.permission.SafeCloseable;
		import android.os.HandlerThread;
		import android.os.Looper;
		import android.os.ParcelFileDescriptor;
		import android.os.Trace;
		import android.text.TextUtils;
		import android.util.Log;
		import android.util.SparseArray;
		import android.view.Choreographer;
		import android.view.View;
		@@ -33,8 +31,10 @@ import android.view.ViewTreeObserver;
		import android.view.Window;

		import androidx.annotation.AnyThread;
		import androidx.annotation.NonNull;
		import androidx.annotation.Nullable;
		import androidx.annotation.UiThread;
		import androidx.annotation.VisibleForTesting;
		import androidx.annotation.WorkerThread;

		import com.android.app.viewcapture.data.ExportedData;
		@@ -120,6 +120,7 @@ public abstract class ViewCapture {
		/**
		* Attaches the ViewCapture to the provided window and returns a handle to detach the listener
		*/
		@NonNull
		public SafeCloseable startCapture(Window window) {
		String title = window.getAttributes().getTitle().toString();
		String name = TextUtils.isEmpty(title) ? window.toString() : title;
		@@ -130,6 +131,7 @@ public abstract class ViewCapture {
		* Attaches the ViewCapture to the provided window and returns a handle to detach the listener.
		* Verifies that ViewCapture is enabled before actually attaching an onDrawListener.
		*/
		@NonNull
		public SafeCloseable startCapture(View view, String name) {
		WindowListener listener = new WindowListener(view, name);
		if (mIsEnabled) MAIN_EXECUTOR.execute(listener::attachToRoot);
		@@ -140,6 +142,25 @@ public abstract class ViewCapture {
		};
		}

		/**
		* Launcher checks for leaks in many spots during its instrumented tests. The WindowListeners
		* appear to have leaks because they store mRoot views. In reality, attached views close their
		* respective window listeners when they are destroyed.
		* <p>
		* This method deletes detaches and deletes mRoot views from windowListeners. This makes the
		* WindowListeners unusable for anything except dumping previously captured information. They
		* are still technically enabled to allow for dumping.
		*/
		@VisibleForTesting
		public void stopCapture(@NonNull View rootView) {
		mListeners.forEach(it -> {
		if (rootView == it.mRoot) {
		it.mRoot.getViewTreeObserver().removeOnDrawListener(it);
		it.mRoot = null;
		}
		});
		}

		@UiThread
		protected void enableOrDisableWindowListeners(boolean isEnabled) {
		mIsEnabled = isEnabled;
		@@ -148,23 +169,18 @@ public abstract class ViewCapture {
		}

		@AnyThread
		protected void dumpTo(ParcelFileDescriptor outFd, Context context) {
		public void dumpTo(OutputStream os, Context context)
		throws InterruptedException, ExecutionException, IOException {
		if (!mIsEnabled) {
		return;
		}
		ArrayList<Class> classList = new ArrayList<>();
		try (OutputStream os = new ParcelFileDescriptor.AutoCloseOutputStream(outFd)) {
		ExportedData.newBuilder()
		.setPackage(context.getPackageName())
		.addAllWindowData(getWindowData(context, classList, l -> l.mIsActive).get())
		.addAllClassname(toStringList(classList))
		.build()
		.writeTo(os);
		} catch (InterruptedException \| ExecutionException e) {
		Log.e(TAG, "failed to get window data", e);
		} catch (IOException e) {
		Log.e(TAG, "failed to output data to wm trace", e);
		}
		}

		private static List<String> toStringList(List<Class> classList) {
		@@ -232,7 +248,8 @@ public abstract class ViewCapture {
		*/
		private class WindowListener implements ViewTreeObserver.OnDrawListener {

		public final View mRoot;
		@Nullable // Nullable in tests only
		public View mRoot;
		public final String name;

		private final ViewRef mViewRef = new ViewRef();
		@@ -378,8 +395,10 @@ public abstract class ViewCapture {

		void detachFromRoot() {
		mIsActive = false;
		if (mRoot != null) {
		mRoot.getViewTreeObserver().removeOnDrawListener(this);
		}
		}

		private void safelyEnableOnDrawListener() {
		mRoot.getViewTreeObserver().removeOnDrawListener(this);