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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.Notification;
     20 import android.content.Context;
     21 import android.content.res.Configuration;
     22 import android.os.Bundle;
     23 
     24 import java.io.FileDescriptor;
     25 import java.io.PrintWriter;
     26 import java.util.Map;
     27 
     28 public abstract class SystemUI implements SysUiServiceProvider {
     29     public Context mContext;
     30     public Map<Class<?>, Object> mComponents;
     31 
     32     public abstract void start();
     33 
     34     protected void onConfigurationChanged(Configuration newConfig) {
     35     }
     36 
     37     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
     38     }
     39 
     40     protected void onBootCompleted() {
     41     }
     42 
     43     @SuppressWarnings("unchecked")
     44     public <T> T getComponent(Class<T> interfaceType) {
     45         return (T) (mComponents != null ? mComponents.get(interfaceType) : null);
     46     }
     47 
     48     public <T, C extends T> void putComponent(Class<T> interfaceType, C component) {
     49         if (mComponents != null) {
     50             mComponents.put(interfaceType, component);
     51         }
     52     }
     53 
     54     public static void overrideNotificationAppName(Context context, Notification.Builder n) {
     55         final Bundle extras = new Bundle();
     56         extras.putString(Notification.EXTRA_SUBSTITUTE_APP_NAME,
     57                 context.getString(com.android.internal.R.string.android_system_label));
     58 
     59         n.addExtras(extras);
     60     }
     61 }
     62