1 /*
2  * Copyright (C) 2021 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package android.server.wm.other;
18 
19 import static android.server.wm.app.Components.RenderService.BROADCAST_EMBED_CONTENT;
20 import static android.server.wm.app.Components.RenderService.EXTRAS_BUNDLE;
21 import static android.server.wm.app.Components.RenderService.EXTRAS_DISPLAY_ID;
22 import static android.server.wm.app.Components.RenderService.EXTRAS_HOST_TOKEN;
23 import static android.server.wm.app.Components.RenderService.EXTRAS_SURFACE_PACKAGE;
24 import static android.server.wm.app.Components.UnresponsiveActivity.EXTRA_ON_MOTIONEVENT_DELAY_MS;
25 
26 import android.app.Activity;
27 import android.content.BroadcastReceiver;
28 import android.content.ComponentName;
29 import android.content.Context;
30 import android.content.Intent;
31 import android.content.IntentFilter;
32 import android.content.ServiceConnection;
33 import android.os.Bundle;
34 import android.os.IBinder;
35 import android.view.SurfaceControlViewHost;
36 import android.view.SurfaceHolder;
37 import android.view.SurfaceView;
38 import android.view.ViewGroup;
39 import android.widget.RelativeLayout;
40 
41 import java.util.concurrent.CountDownLatch;
42 
43 
44 public class HostActivity extends Activity implements SurfaceHolder.Callback{
45     private SurfaceView mSurfaceView;
46     public CountDownLatch mEmbeddedViewAttachedLatch =  new CountDownLatch(1);
47     private ServiceConnection mConnection = new ServiceConnection() {
48         @Override
49         public void onServiceConnected(ComponentName name, IBinder service) {}
50 
51         @Override
52         public void onServiceDisconnected(ComponentName className) {}
53     };
54 
55     private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
56         @Override
57         public void onReceive(Context context, Intent intent) {
58             SurfaceControlViewHost.SurfacePackage surfacePackage =
59                     intent.getParcelableExtra(EXTRAS_SURFACE_PACKAGE);
60             if (surfacePackage != null) {
61                 mSurfaceView.setChildSurfacePackage(surfacePackage);
62                 mEmbeddedViewAttachedLatch.countDown();
63             }
64         }
65     };
66 
67     @Override
onCreate(Bundle savedInstanceState)68     public void onCreate(Bundle savedInstanceState) {
69         super.onCreate(savedInstanceState);
70 
71         IntentFilter filter = new IntentFilter(BROADCAST_EMBED_CONTENT);
72         registerReceiver(mReceiver, filter, Context.RECEIVER_EXPORTED);
73 
74         final RelativeLayout content = new RelativeLayout(this);
75         mSurfaceView = new SurfaceView(this);
76         mSurfaceView.setZOrderOnTop(true);
77         content.addView(mSurfaceView,
78                 new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT,
79                         RelativeLayout.LayoutParams.MATCH_PARENT));
80         setContentView(content, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
81                 ViewGroup.LayoutParams.MATCH_PARENT));
82         mSurfaceView.getHolder().addCallback(this);
83     }
84 
85     @Override
onPause()86     protected void onPause() {
87         unregisterReceiver(mReceiver);
88         super.onPause();
89     }
90 
91     @Override
surfaceCreated(SurfaceHolder holder)92     public void surfaceCreated(SurfaceHolder holder) {
93         Intent mIntent = new Intent();
94         mIntent.setComponent(new ComponentName(
95                 "android.server.wm.app", "android.server.wm.app.RenderService"));
96         Bundle bundle = new Bundle();
97         bundle.putBinder(EXTRAS_HOST_TOKEN, mSurfaceView.getHostToken());
98         bundle.putInt(EXTRAS_DISPLAY_ID, getDisplay().getDisplayId());
99         bundle.putInt(EXTRA_ON_MOTIONEVENT_DELAY_MS, 60000);
100         mIntent.putExtra(EXTRAS_BUNDLE, bundle);
101         bindService(mIntent, mConnection, Context.BIND_AUTO_CREATE | Context.BIND_IMPORTANT);
102     }
103 
104     @Override
surfaceChanged(SurfaceHolder holder, int format, int width, int height)105     public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {}
106 
107     @Override
surfaceDestroyed(SurfaceHolder holder)108     public void surfaceDestroyed(SurfaceHolder holder) {}
109 }
110