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      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.content.res.Configuration;
     22 import android.os.IBinder;
     23 import android.util.Log;
     24 
     25 import java.io.FileDescriptor;
     26 import java.io.PrintWriter;
     27 import java.util.HashMap;
     28 
     29 public class SystemUIService extends Service {
     30     private static final String TAG = "SystemUIService";
     31 
     32     /**
     33      * The classes of the stuff to start.
     34      */
     35     private final Class<?>[] SERVICES = new Class[] {
     36             com.android.systemui.recent.Recents.class,
     37             com.android.systemui.statusbar.SystemBars.class,
     38             com.android.systemui.usb.StorageNotification.class,
     39             com.android.systemui.power.PowerUI.class,
     40             com.android.systemui.media.RingtonePlayer.class,
     41             com.android.systemui.settings.SettingsUI.class,
     42         };
     43 
     44     /**
     45      * Hold a reference on the stuff we start.
     46      */
     47     private final SystemUI[] mServices = new SystemUI[SERVICES.length];
     48 
     49     @Override
     50     public void onCreate() {
     51         HashMap<Class<?>, Object> components = new HashMap<Class<?>, Object>();
     52         final int N = SERVICES.length;
     53         for (int i=0; i<N; i++) {
     54             Class<?> cl = SERVICES[i];
     55             Log.d(TAG, "loading: " + cl);
     56             try {
     57                 mServices[i] = (SystemUI)cl.newInstance();
     58             } catch (IllegalAccessException ex) {
     59                 throw new RuntimeException(ex);
     60             } catch (InstantiationException ex) {
     61                 throw new RuntimeException(ex);
     62             }
     63             mServices[i].mContext = this;
     64             mServices[i].mComponents = components;
     65             Log.d(TAG, "running: " + mServices[i]);
     66             mServices[i].start();
     67         }
     68     }
     69 
     70     @Override
     71     public void onConfigurationChanged(Configuration newConfig) {
     72         for (SystemUI ui: mServices) {
     73             ui.onConfigurationChanged(newConfig);
     74         }
     75     }
     76 
     77     /**
     78      * Nobody binds to us.
     79      */
     80     @Override
     81     public IBinder onBind(Intent intent) {
     82         return null;
     83     }
     84 
     85     @Override
     86     protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
     87         if (args == null || args.length == 0) {
     88             for (SystemUI ui: mServices) {
     89                 pw.println("dumping service: " + ui.getClass().getName());
     90                 ui.dump(fd, pw, args);
     91             }
     92         } else {
     93             String svc = args[0];
     94             for (SystemUI ui: mServices) {
     95                 String name = ui.getClass().getName();
     96                 if (name.endsWith(svc)) {
     97                     ui.dump(fd, pw, args);
     98                 }
     99             }
    100         }
    101     }
    102 }
    103 
    104