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      1 /*
      2  * Copyright (C) 2015 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.usb;
     18 
     19 import android.app.Activity;
     20 import android.content.BroadcastReceiver;
     21 import android.content.Context;
     22 import android.content.DialogInterface;
     23 import android.content.Intent;
     24 import android.content.IntentFilter;
     25 import android.hardware.usb.UsbManager;
     26 import android.os.Bundle;
     27 import android.os.SystemProperties;
     28 
     29 import com.android.internal.app.AlertActivity;
     30 import com.android.internal.app.AlertController;
     31 import com.android.systemui.R;
     32 
     33 public class UsbDebuggingSecondaryUserActivity extends AlertActivity
     34         implements DialogInterface.OnClickListener {
     35     private UsbDisconnectedReceiver mDisconnectedReceiver;
     36 
     37     @Override
     38     public void onCreate(Bundle icicle) {
     39         super.onCreate(icicle);
     40 
     41         if (SystemProperties.getInt("service.adb.tcp.port", 0) == 0) {
     42             mDisconnectedReceiver = new UsbDisconnectedReceiver(this);
     43         }
     44 
     45         final AlertController.AlertParams ap = mAlertParams;
     46         ap.mTitle = getString(R.string.usb_debugging_secondary_user_title);
     47         ap.mMessage = getString(R.string.usb_debugging_secondary_user_message);
     48         ap.mPositiveButtonText = getString(android.R.string.ok);
     49         ap.mPositiveButtonListener = this;
     50 
     51         setupAlert();
     52     }
     53 
     54     private class UsbDisconnectedReceiver extends BroadcastReceiver {
     55         private final Activity mActivity;
     56         public UsbDisconnectedReceiver(Activity activity) {
     57             mActivity = activity;
     58         }
     59 
     60         @Override
     61         public void onReceive(Context content, Intent intent) {
     62             String action = intent.getAction();
     63             if (UsbManager.ACTION_USB_STATE.equals(action)) {
     64                 boolean connected = intent.getBooleanExtra(UsbManager.USB_CONNECTED, false);
     65                 if (!connected) {
     66                     mActivity.finish();
     67                 }
     68             }
     69         }
     70     }
     71 
     72     @Override
     73     public void onStart() {
     74         super.onStart();
     75 
     76         IntentFilter filter = new IntentFilter(UsbManager.ACTION_USB_STATE);
     77         registerReceiver(mDisconnectedReceiver, filter);
     78     }
     79 
     80     @Override
     81     protected void onStop() {
     82         if (mDisconnectedReceiver != null) {
     83             unregisterReceiver(mDisconnectedReceiver);
     84         }
     85         super.onStop();
     86     }
     87 
     88     @Override
     89     public void onClick(DialogInterface dialog, int which) {
     90         finish();
     91     }
     92 }
     93