1 /* 2 * Copyright (C) 2007 Google Inc. 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.internal.app; 18 19 import android.app.AlertDialog; 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.os.Bundle; 26 import android.os.Handler; 27 import android.os.IMountService; 28 import android.os.Message; 29 import android.os.RemoteException; 30 import android.os.ServiceManager; 31 import android.widget.Toast; 32 import android.util.Log; 33 import android.location.LocationManager; 34 import com.android.internal.location.GpsLocationProvider; 35 import com.android.internal.location.GpsNetInitiatedHandler; 36 37 /** 38 * This activity is shown to the user for him/her to accept or deny network-initiated 39 * requests. It uses the alert dialog style. It will be launched from a notification. 40 */ 41 public class NetInitiatedActivity extends AlertActivity implements DialogInterface.OnClickListener { 42 43 private static final String TAG = "NetInitiatedActivity"; 44 45 private static final boolean DEBUG = true; 46 private static final boolean VERBOSE = false; 47 48 private static final int POSITIVE_BUTTON = AlertDialog.BUTTON1; 49 private static final int NEGATIVE_BUTTON = AlertDialog.BUTTON2; 50 51 // Dialog button text 52 public static final String BUTTON_TEXT_ACCEPT = "Accept"; 53 public static final String BUTTON_TEXT_DENY = "Deny"; 54 55 // Received ID from intent, -1 when no notification is in progress 56 private int notificationId = -1; 57 58 /** Used to detect when NI request is received */ 59 private BroadcastReceiver mNetInitiatedReceiver = new BroadcastReceiver() { 60 @Override 61 public void onReceive(Context context, Intent intent) { 62 if (DEBUG) Log.d(TAG, "NetInitiatedReceiver onReceive: " + intent.getAction()); 63 if (intent.getAction() == GpsNetInitiatedHandler.ACTION_NI_VERIFY) { 64 handleNIVerify(intent); 65 } 66 } 67 }; 68 69 @Override onCreate(Bundle savedInstanceState)70 protected void onCreate(Bundle savedInstanceState) { 71 super.onCreate(savedInstanceState); 72 73 // Set up the "dialog" 74 final Intent intent = getIntent(); 75 final AlertController.AlertParams p = mAlertParams; 76 p.mIconId = com.android.internal.R.drawable.ic_dialog_usb; 77 p.mTitle = intent.getStringExtra(GpsNetInitiatedHandler.NI_INTENT_KEY_TITLE); 78 p.mMessage = intent.getStringExtra(GpsNetInitiatedHandler.NI_INTENT_KEY_MESSAGE); 79 p.mPositiveButtonText = BUTTON_TEXT_ACCEPT; 80 p.mPositiveButtonListener = this; 81 p.mNegativeButtonText = BUTTON_TEXT_DENY; 82 p.mNegativeButtonListener = this; 83 84 notificationId = intent.getIntExtra(GpsNetInitiatedHandler.NI_INTENT_KEY_NOTIF_ID, -1); 85 if (DEBUG) Log.d(TAG, "onCreate, notifId: " + notificationId); 86 87 setupAlert(); 88 } 89 90 @Override onResume()91 protected void onResume() { 92 super.onResume(); 93 if (DEBUG) Log.d(TAG, "onResume"); 94 registerReceiver(mNetInitiatedReceiver, new IntentFilter(GpsNetInitiatedHandler.ACTION_NI_VERIFY)); 95 } 96 97 @Override onPause()98 protected void onPause() { 99 super.onPause(); 100 if (DEBUG) Log.d(TAG, "onPause"); 101 unregisterReceiver(mNetInitiatedReceiver); 102 } 103 104 /** 105 * {@inheritDoc} 106 */ onClick(DialogInterface dialog, int which)107 public void onClick(DialogInterface dialog, int which) { 108 if (which == POSITIVE_BUTTON) { 109 sendUserResponse(GpsNetInitiatedHandler.GPS_NI_RESPONSE_ACCEPT); 110 } 111 if (which == NEGATIVE_BUTTON) { 112 sendUserResponse(GpsNetInitiatedHandler.GPS_NI_RESPONSE_DENY); 113 } 114 115 // No matter what, finish the activity 116 finish(); 117 notificationId = -1; 118 } 119 120 // Respond to NI Handler under GpsLocationProvider, 1 = accept, 2 = deny sendUserResponse(int response)121 private void sendUserResponse(int response) { 122 if (DEBUG) Log.d(TAG, "sendUserResponse, response: " + response); 123 LocationManager locationManager = (LocationManager) 124 this.getSystemService(Context.LOCATION_SERVICE); 125 locationManager.sendNiResponse(notificationId, response); 126 } 127 handleNIVerify(Intent intent)128 private void handleNIVerify(Intent intent) { 129 int notifId = intent.getIntExtra(GpsNetInitiatedHandler.NI_INTENT_KEY_NOTIF_ID, -1); 130 notificationId = notifId; 131 132 if (DEBUG) Log.d(TAG, "handleNIVerify action: " + intent.getAction()); 133 } 134 showNIError()135 private void showNIError() { 136 Toast.makeText(this, "NI error" /* com.android.internal.R.string.usb_storage_error_message */, 137 Toast.LENGTH_LONG).show(); 138 } 139 } 140