Home | History | Annotate | Download | only in systemui 
      1 /*
      2  * Copyright (C) 2010 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 com.android.systemui;
     18 
     19 import android.app.Service;
     20 import android.content.Intent;
     21 import android.os.Build;
     22 import android.os.IBinder;
     23 import android.os.Process;
     24 import android.os.SystemProperties;
     25 import android.util.Slog;
     26 
     27 import java.io.FileDescriptor;
     28 import java.io.PrintWriter;
     29 
     30 import com.android.internal.os.BinderInternal;
     31 import com.android.systemui.plugins.PluginManager;
     32 import com.android.systemui.plugins.PluginManagerImpl;
     33 
     34 public class SystemUIService extends Service {
     35 
     36     @Override
     37     public void onCreate() {
     38         super.onCreate();
     39         ((SystemUIApplication) getApplication()).startServicesIfNeeded();
     40 
     41         // For debugging RescueParty
     42         if (Build.IS_DEBUGGABLE && SystemProperties.getBoolean("debug.crash_sysui", false)) {
     43             throw new RuntimeException();
     44         }
     45 
     46         if (Build.IS_DEBUGGABLE) {
     47             // b/71353150 - looking for leaked binder proxies
     48             BinderInternal.nSetBinderProxyCountEnabled(true);
     49             BinderInternal.nSetBinderProxyCountWatermarks(1000,900);
     50             BinderInternal.setBinderProxyCountCallback(
     51                     new BinderInternal.BinderProxyLimitListener() {
     52                         @Override
     53                         public void onLimitReached(int uid) {
     54                             Slog.w(SystemUIApplication.TAG,
     55                                     "uid " + uid + " sent too many Binder proxies to uid "
     56                                     + Process.myUid());
     57                         }
     58                     }, Dependency.get(Dependency.MAIN_HANDLER));
     59         }
     60     }
     61 
     62     @Override
     63     public IBinder onBind(Intent intent) {
     64         return null;
     65     }
     66 
     67     @Override
     68     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
     69         SystemUI[] services = ((SystemUIApplication) getApplication()).getServices();
     70         if (args == null || args.length == 0) {
     71             for (SystemUI ui: services) {
     72                 pw.println("dumping service: " + ui.getClass().getName());
     73                 ui.dump(fd, pw, args);
     74             }
     75             if (Build.IS_DEBUGGABLE) {
     76                 pw.println("dumping plugins:");
     77                 ((PluginManagerImpl) Dependency.get(PluginManager.class)).dump(fd, pw, args);
     78             }
     79         } else {
     80             String svc = args[0];
     81             for (SystemUI ui: services) {
     82                 String name = ui.getClass().getName();
     83                 if (name.endsWith(svc)) {
     84                     ui.dump(fd, pw, args);
     85                 }
     86             }
     87         }
     88     }
     89 }
     90 
     91