Santos Cordon | 7d4ddf6 | 2013-07-10 11:58:08 -0700 | [diff] [blame^] | 1 | /* |
| 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 | |
| 17 | package com.android.phone; |
| 18 | |
| 19 | import android.app.Notification; |
| 20 | import android.app.NotificationManager; |
| 21 | import android.app.PendingIntent; |
| 22 | import android.app.Service; |
| 23 | import android.content.BroadcastReceiver; |
| 24 | import android.content.Context; |
| 25 | import android.content.Intent; |
| 26 | import android.content.IntentFilter; |
| 27 | import android.content.res.Resources; |
| 28 | import android.os.AsyncResult; |
| 29 | import android.os.Binder; |
| 30 | import android.os.CountDownTimer; |
| 31 | import android.os.Handler; |
| 32 | import android.os.IBinder; |
| 33 | import android.os.Message; |
| 34 | import android.os.SystemProperties; |
| 35 | import android.util.Log; |
| 36 | |
| 37 | import com.android.internal.telephony.cdma.CDMAPhone; |
| 38 | import com.android.internal.telephony.Phone; |
| 39 | import com.android.internal.telephony.PhoneConstants; |
| 40 | import com.android.internal.telephony.PhoneFactory; |
| 41 | import com.android.internal.telephony.TelephonyIntents; |
| 42 | import 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 | */ |
| 50 | public 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 | } |