blob: b5065982c383ba0483eba0a2238d6e9fce61dade [file] [log] [blame]
Santos Cordon7d4ddf62013-07-10 11:58:08 -07001/*
2 * Copyright (C) 2009 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
17package com.android.phone;
18
19import android.app.Notification;
20import android.app.NotificationManager;
21import android.app.PendingIntent;
22import android.app.Service;
23import android.content.BroadcastReceiver;
24import android.content.Context;
25import android.content.Intent;
26import android.content.IntentFilter;
27import android.content.res.Resources;
28import android.os.AsyncResult;
29import android.os.Binder;
30import android.os.CountDownTimer;
31import android.os.Handler;
32import android.os.IBinder;
33import android.os.Message;
34import android.os.SystemProperties;
35import android.util.Log;
36
37import com.android.internal.telephony.cdma.CDMAPhone;
38import com.android.internal.telephony.Phone;
39import com.android.internal.telephony.PhoneConstants;
40import com.android.internal.telephony.PhoneFactory;
41import com.android.internal.telephony.TelephonyIntents;
42import com.android.internal.telephony.TelephonyProperties;
43
44/**
45 * Application service that inserts/removes Emergency Callback Mode notification and
46 * updates Emergency Callback Mode countdown clock in the notification
47 *
48 * @see EmergencyCallbackModeExitDialog
49 */
50public class EmergencyCallbackModeService extends Service {
51
52 // Default Emergency Callback Mode timeout value
53 private static final int DEFAULT_ECM_EXIT_TIMER_VALUE = 300000;
54 private static final String LOG_TAG = "EmergencyCallbackModeService";
55
56 private NotificationManager mNotificationManager = null;
57 private CountDownTimer mTimer = null;
58 private long mTimeLeft = 0;
59 private Phone mPhone = null;
60 private boolean mInEmergencyCall = false;
61
62 private static final int ECM_TIMER_RESET = 1;
63
64 private Handler mHandler = new Handler () {
65 public void handleMessage(Message msg) {
66 switch (msg.what) {
67 case ECM_TIMER_RESET:
68 resetEcmTimer((AsyncResult) msg.obj);
69 break;
70 }
71 }
72 };
73
74 @Override
75 public void onCreate() {
76 // Check if it is CDMA phone
77 if (PhoneFactory.getDefaultPhone().getPhoneType() != PhoneConstants.PHONE_TYPE_CDMA) {
78 Log.e(LOG_TAG, "Error! Emergency Callback Mode not supported for " +
79 PhoneFactory.getDefaultPhone().getPhoneName() + " phones");
80 stopSelf();
81 }
82
83 // Register receiver for intents
84 IntentFilter filter = new IntentFilter();
85 filter.addAction(TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED);
86 filter.addAction(TelephonyIntents.ACTION_SHOW_NOTICE_ECM_BLOCK_OTHERS);
87 registerReceiver(mEcmReceiver, filter);
88
89 mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
90
91 // Register ECM timer reset notfication
92 mPhone = PhoneFactory.getDefaultPhone();
93 mPhone.registerForEcmTimerReset(mHandler, ECM_TIMER_RESET, null);
94
95 startTimerNotification();
96 }
97
98 @Override
99 public void onDestroy() {
100 // Unregister receiver
101 unregisterReceiver(mEcmReceiver);
102 // Unregister ECM timer reset notification
103 mPhone.unregisterForEcmTimerReset(mHandler);
104
105 // Cancel the notification and timer
106 mNotificationManager.cancel(R.string.phone_in_ecm_notification_title);
107 mTimer.cancel();
108 }
109
110 /**
111 * Listens for Emergency Callback Mode intents
112 */
113 private BroadcastReceiver mEcmReceiver = new BroadcastReceiver() {
114 @Override
115 public void onReceive(Context context, Intent intent) {
116 // Stop the service when phone exits Emergency Callback Mode
117 if (intent.getAction().equals(
118 TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED)) {
119 if (intent.getBooleanExtra("phoneinECMState", false) == false) {
120 stopSelf();
121 }
122 }
123 // Show dialog box
124 else if (intent.getAction().equals(
125 TelephonyIntents.ACTION_SHOW_NOTICE_ECM_BLOCK_OTHERS)) {
126 context.startActivity(
127 new Intent(TelephonyIntents.ACTION_SHOW_NOTICE_ECM_BLOCK_OTHERS)
128 .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK));
129 }
130 }
131 };
132
133 /**
134 * Start timer notification for Emergency Callback Mode
135 */
136 private void startTimerNotification() {
137 // Get Emergency Callback Mode timeout value
138 long ecmTimeout = SystemProperties.getLong(
139 TelephonyProperties.PROPERTY_ECM_EXIT_TIMER, DEFAULT_ECM_EXIT_TIMER_VALUE);
140
141 // Show the notification
142 showNotification(ecmTimeout);
143
144 // Start countdown timer for the notification updates
145 mTimer = new CountDownTimer(ecmTimeout, 1000) {
146
147 @Override
148 public void onTick(long millisUntilFinished) {
149 mTimeLeft = millisUntilFinished;
150 EmergencyCallbackModeService.this.showNotification(millisUntilFinished);
151 }
152
153 @Override
154 public void onFinish() {
155 //Do nothing
156 }
157
158 }.start();
159 }
160
161 /**
162 * Shows notification for Emergency Callback Mode
163 */
164 private void showNotification(long millisUntilFinished) {
165
166 // Set the icon and text
167 Notification notification = new Notification(
168 R.drawable.picture_emergency25x25,
169 getText(R.string.phone_entered_ecm_text), 0);
170
171 // PendingIntent to launch Emergency Callback Mode Exit activity if the user selects
172 // this notification
173 PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
174 new Intent(EmergencyCallbackModeExitDialog.ACTION_SHOW_ECM_EXIT_DIALOG), 0);
175
176 // Format notification string
177 String text = null;
178 if(mInEmergencyCall) {
179 text = getText(R.string.phone_in_ecm_call_notification_text).toString();
180 } else {
181 int minutes = (int)(millisUntilFinished / 60000);
182 String time = String.format("%d:%02d", minutes, (millisUntilFinished % 60000) / 1000);
183 text = String.format(getResources().getQuantityText(
184 R.plurals.phone_in_ecm_notification_time, minutes).toString(), time);
185 }
186 // Set the info in the notification
187 notification.setLatestEventInfo(this, getText(R.string.phone_in_ecm_notification_title),
188 text, contentIntent);
189
190 notification.flags = Notification.FLAG_ONGOING_EVENT;
191
192 // Show notification
193 mNotificationManager.notify(R.string.phone_in_ecm_notification_title, notification);
194 }
195
196 /**
197 * Handle ECM_TIMER_RESET notification
198 */
199 private void resetEcmTimer(AsyncResult r) {
200 boolean isTimerCanceled = ((Boolean)r.result).booleanValue();
201
202 if (isTimerCanceled) {
203 mInEmergencyCall = true;
204 mTimer.cancel();
205 showNotification(0);
206 } else {
207 mInEmergencyCall = false;
208 startTimerNotification();
209 }
210 }
211
212 @Override
213 public IBinder onBind(Intent intent) {
214 return mBinder;
215 }
216
217 // This is the object that receives interactions from clients.
218 private final IBinder mBinder = new LocalBinder();
219
220 /**
221 * Class for clients to access
222 */
223 public class LocalBinder extends Binder {
224 EmergencyCallbackModeService getService() {
225 return EmergencyCallbackModeService.this;
226 }
227 }
228
229 /**
230 * Returns Emergency Callback Mode timeout value
231 */
232 public long getEmergencyCallbackModeTimeout() {
233 return mTimeLeft;
234 }
235
236 /**
237 * Returns Emergency Callback Mode call state
238 */
239 public boolean getEmergencyCallbackModeCallState() {
240 return mInEmergencyCall;
241 }
242}