| /* |
| * Copyright (C) 2022 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.surfaceflinger; |
| |
| import android.app.Activity; |
| import android.content.Context; |
| import android.os.Bundle; |
| import android.view.SurfaceControl; |
| import android.view.SurfaceHolder; |
| import android.view.SurfaceView; |
| import android.view.WindowManager; |
| |
| import java.util.concurrent.CountDownLatch; |
| |
| /** |
| * A simple activity used for testing, e.g. performance of activity switching, or as a base |
| * container of testing view. |
| */ |
| public class SurfaceFlingerTestActivity extends Activity { |
| public TestSurfaceView mTestSurfaceView; |
| SurfaceControl mSurfaceControl; |
| CountDownLatch mIsReady = new CountDownLatch(1); |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); |
| mTestSurfaceView = new TestSurfaceView(this); |
| setContentView(mTestSurfaceView); |
| } |
| |
| public SurfaceControl createChildSurfaceControl() throws InterruptedException { |
| return mTestSurfaceView.getChildSurfaceControlHelper(); |
| } |
| |
| public class TestSurfaceView extends SurfaceView { |
| public TestSurfaceView(Context context) { |
| super(context); |
| SurfaceHolder holder = getHolder(); |
| holder.addCallback(new SurfaceHolder.Callback() { |
| @Override |
| public void surfaceCreated(SurfaceHolder holder) { |
| mIsReady.countDown(); |
| } |
| @Override |
| public void surfaceChanged(SurfaceHolder holder, int format, int width, |
| int height) {} |
| @Override |
| public void surfaceDestroyed(SurfaceHolder holder) { |
| } |
| }); |
| } |
| |
| public SurfaceControl getChildSurfaceControlHelper() throws InterruptedException { |
| mIsReady.await(); |
| SurfaceHolder holder = getHolder(); |
| |
| // check to see if surface is valid |
| if (holder.getSurface().isValid()) { |
| mSurfaceControl = getSurfaceControl(); |
| } |
| return new SurfaceControl.Builder() |
| .setName("ChildSurfaceControl") |
| .setParent(mSurfaceControl) |
| .build(); |
| } |
| } |
| } |