San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 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.Activity; |
| 20 | import android.app.Notification; |
| 21 | import android.app.NotificationManager; |
| 22 | import android.app.PendingIntent; |
| 23 | import android.content.BroadcastReceiver; |
| 24 | import android.content.Context; |
| 25 | import android.content.DialogInterface; |
| 26 | import android.content.Intent; |
| 27 | import android.content.IntentFilter; |
| 28 | import android.content.pm.PackageManager; |
| 29 | import android.content.res.Resources; |
| 30 | import android.os.Bundle; |
| 31 | import android.os.Environment; |
| 32 | import android.os.Handler; |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame^] | 33 | import android.os.storage.IMountService; |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 34 | import android.os.Message; |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 35 | import android.os.ServiceManager; |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame^] | 36 | import android.os.storage.StorageEventListener; |
| 37 | import android.os.storage.StorageManager; |
| 38 | import android.os.storage.StorageResultCode; |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 39 | import android.util.Log; |
| 40 | import android.view.View; |
| 41 | import android.widget.Button; |
| 42 | import android.widget.ImageView; |
| 43 | import android.widget.TextView; |
| 44 | import android.widget.Toast; |
| 45 | |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame^] | 46 | public class StorageNotification extends StorageEventListener { |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 47 | private static final String TAG = "StorageNotification"; |
| 48 | |
| 49 | /** |
| 50 | * Binder context for this service |
| 51 | */ |
| 52 | private Context mContext; |
| 53 | |
| 54 | /** |
| 55 | * The notification that is shown when a USB mass storage host |
| 56 | * is connected. |
| 57 | * <p> |
| 58 | * This is lazily created, so use {@link #setUsbStorageNotification()}. |
| 59 | */ |
| 60 | private Notification mUsbStorageNotification; |
| 61 | |
| 62 | /** |
| 63 | * The notification that is shown when the following media events occur: |
| 64 | * - Media is being checked |
| 65 | * - Media is blank (or unknown filesystem) |
| 66 | * - Media is corrupt |
| 67 | * - Media is safe to unmount |
| 68 | * - Media is missing |
| 69 | * <p> |
| 70 | * This is lazily created, so use {@link #setMediaStorageNotification()}. |
| 71 | */ |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame^] | 72 | private Notification mMediaStorageNotification; |
| 73 | private boolean mUmsAvailable; |
| 74 | private StorageManager mStorageManager; |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 75 | |
| 76 | public StorageNotification(Context context) { |
| 77 | mContext = context; |
| 78 | |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame^] | 79 | mStorageManager = (StorageManager) context.getSystemService(Context.STORAGE_SERVICE); |
| 80 | mUmsAvailable = mStorageManager.isUsbMassStorageConnected(); |
| 81 | Log.d(TAG, String.format( "Startup with UMS connection %s (media state %s)", mUmsAvailable, |
| 82 | Environment.getExternalStorageState())); |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 83 | } |
| 84 | |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame^] | 85 | /* |
| 86 | * @override com.android.os.storage.StorageEventListener |
| 87 | */ |
| 88 | @Override |
| 89 | public void onUsbMassStorageConnectionChanged(boolean connected) { |
| 90 | mUmsAvailable = connected; |
| 91 | /* |
| 92 | * Even though we may have a UMS host connected, we the SD card |
| 93 | * may not be in a state for export. |
| 94 | */ |
| 95 | String st = Environment.getExternalStorageState(); |
| 96 | |
| 97 | Log.i(TAG, String.format("UMS connection changed to %s (media state %s)", connected, st)); |
| 98 | |
| 99 | if (connected && (st.equals( |
| 100 | Environment.MEDIA_REMOVED) || st.equals(Environment.MEDIA_CHECKING))) { |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 101 | /* |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame^] | 102 | * No card or card being checked = don't display |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 103 | */ |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame^] | 104 | connected = false; |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 105 | } |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame^] | 106 | updateUsbMassStorageNotification(connected); |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 107 | } |
| 108 | |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame^] | 109 | /* |
| 110 | * @override com.android.os.storage.StorageEventListener |
| 111 | */ |
| 112 | @Override |
| 113 | public void onStorageStateChanged(String path, String oldState, String newState) { |
| 114 | Log.i(TAG, String.format( |
| 115 | "Media {%s} state changed from {%s} -> {%s}", path, oldState, newState)); |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 116 | if (newState.equals(Environment.MEDIA_SHARED)) { |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame^] | 117 | /* |
| 118 | * Storage is now shared. Modify the UMS notification |
| 119 | * for stopping UMS. |
| 120 | */ |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 121 | Intent intent = new Intent(); |
| 122 | intent.setClass(mContext, com.android.internal.app.UsbStorageActivity.class); |
| 123 | PendingIntent pi = PendingIntent.getActivity(mContext, 0, intent, 0); |
| 124 | setUsbStorageNotification( |
| 125 | com.android.internal.R.string.usb_storage_stop_notification_title, |
| 126 | com.android.internal.R.string.usb_storage_stop_notification_message, |
| 127 | com.android.internal.R.drawable.stat_sys_warning, false, true, pi); |
| 128 | } else if (newState.equals(Environment.MEDIA_CHECKING)) { |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame^] | 129 | /* |
| 130 | * Storage is now checking. Update media notification and disable |
| 131 | * UMS notification. |
| 132 | */ |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 133 | setMediaStorageNotification( |
| 134 | com.android.internal.R.string.ext_media_checking_notification_title, |
| 135 | com.android.internal.R.string.ext_media_checking_notification_message, |
| 136 | com.android.internal.R.drawable.stat_notify_sdcard_prepare, true, false, null); |
| 137 | updateUsbMassStorageNotification(false); |
| 138 | } else if (newState.equals(Environment.MEDIA_MOUNTED)) { |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame^] | 139 | /* |
| 140 | * Storage is now mounted. Dismiss any media notifications, |
| 141 | * and enable UMS notification if connected. |
| 142 | */ |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 143 | setMediaStorageNotification(0, 0, 0, false, false, null); |
| 144 | updateUsbMassStorageNotification(mUmsAvailable); |
| 145 | } else if (newState.equals(Environment.MEDIA_UNMOUNTED)) { |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame^] | 146 | /* |
| 147 | * Storage is now unmounted. We may have been unmounted |
| 148 | * because the user is enabling/disabling UMS, in which case we don't |
| 149 | * want to display the 'safe to unmount' notification. |
| 150 | */ |
| 151 | if (!mStorageManager.isUsbMassStorageEnabled()) { |
| 152 | if (oldState.equals(Environment.MEDIA_SHARED)) { |
| 153 | /* |
| 154 | * The unmount was due to UMS being enabled. Dismiss any |
| 155 | * media notifications, and enable UMS notification if connected |
| 156 | */ |
| 157 | setMediaStorageNotification(0, 0, 0, false, false, null); |
| 158 | updateUsbMassStorageNotification(mUmsAvailable); |
| 159 | } else { |
| 160 | /* |
| 161 | * Show safe to unmount media notification, and enable UMS |
| 162 | * notification if connected. |
| 163 | */ |
| 164 | setMediaStorageNotification( |
| 165 | com.android.internal.R.string.ext_media_safe_unmount_notification_title, |
| 166 | com.android.internal.R.string.ext_media_safe_unmount_notification_message, |
| 167 | com.android.internal.R.drawable.stat_notify_sdcard, true, true, null); |
| 168 | updateUsbMassStorageNotification(mUmsAvailable); |
| 169 | } |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 170 | } else { |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame^] | 171 | /* |
| 172 | * The unmount was due to UMS being enabled. Dismiss any |
| 173 | * media notifications, and disable the UMS notification |
| 174 | */ |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 175 | setMediaStorageNotification(0, 0, 0, false, false, null); |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame^] | 176 | updateUsbMassStorageNotification(false); |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 177 | } |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 178 | } else if (newState.equals(Environment.MEDIA_NOFS)) { |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame^] | 179 | /* |
| 180 | * Storage has no filesystem. Show blank media notification, |
| 181 | * and enable UMS notification if connected. |
| 182 | */ |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 183 | Intent intent = new Intent(); |
| 184 | intent.setClass(mContext, com.android.internal.app.ExternalMediaFormatActivity.class); |
| 185 | PendingIntent pi = PendingIntent.getActivity(mContext, 0, intent, 0); |
| 186 | |
| 187 | setMediaStorageNotification( |
| 188 | com.android.internal.R.string.ext_media_nofs_notification_title, |
| 189 | com.android.internal.R.string.ext_media_nofs_notification_message, |
| 190 | com.android.internal.R.drawable.stat_notify_sdcard_usb, true, false, pi); |
| 191 | updateUsbMassStorageNotification(mUmsAvailable); |
| 192 | } else if (newState.equals(Environment.MEDIA_UNMOUNTABLE)) { |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame^] | 193 | /* |
| 194 | * Storage is corrupt. Show corrupt media notification, |
| 195 | * and enable UMS notification if connected. |
| 196 | */ |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 197 | Intent intent = new Intent(); |
| 198 | intent.setClass(mContext, com.android.internal.app.ExternalMediaFormatActivity.class); |
| 199 | PendingIntent pi = PendingIntent.getActivity(mContext, 0, intent, 0); |
| 200 | |
| 201 | setMediaStorageNotification( |
| 202 | com.android.internal.R.string.ext_media_unmountable_notification_title, |
| 203 | com.android.internal.R.string.ext_media_unmountable_notification_message, |
| 204 | com.android.internal.R.drawable.stat_notify_sdcard_usb, true, false, pi); |
| 205 | updateUsbMassStorageNotification(mUmsAvailable); |
San Mehat | b104340 | 2010-02-05 08:26:50 -0800 | [diff] [blame^] | 206 | } else if (newState.equals(Environment.MEDIA_REMOVED)) { |
| 207 | /* |
| 208 | * Storage has been removed. Show nomedia media notification, |
| 209 | * and disable UMS notification regardless of connection state. |
| 210 | */ |
| 211 | setMediaStorageNotification( |
| 212 | com.android.internal.R.string.ext_media_nomedia_notification_title, |
| 213 | com.android.internal.R.string.ext_media_nomedia_notification_message, |
| 214 | com.android.internal.R.drawable.stat_notify_sdcard_usb, |
| 215 | true, false, null); |
| 216 | updateUsbMassStorageNotification(false); |
| 217 | } else if (newState.equals(Environment.MEDIA_BAD_REMOVAL)) { |
| 218 | /* |
| 219 | * Storage has been removed unsafely. Show bad removal media notification, |
| 220 | * and disable UMS notification regardless of connection state. |
| 221 | */ |
| 222 | setMediaStorageNotification( |
| 223 | com.android.internal.R.string.ext_media_badremoval_notification_title, |
| 224 | com.android.internal.R.string.ext_media_badremoval_notification_message, |
| 225 | com.android.internal.R.drawable.stat_sys_warning, |
| 226 | true, true, null); |
| 227 | updateUsbMassStorageNotification(false); |
| 228 | } else { |
| 229 | Log.w(TAG, String.format("Ignoring unknown state {%s}", newState)); |
San Mehat | 64e6a45 | 2010-02-04 20:53:48 -0800 | [diff] [blame] | 230 | } |
| 231 | } |
| 232 | |
| 233 | /** |
| 234 | * Update the state of the USB mass storage notification |
| 235 | */ |
| 236 | void updateUsbMassStorageNotification(boolean available) { |
| 237 | |
| 238 | if (available) { |
| 239 | Intent intent = new Intent(); |
| 240 | intent.setClass(mContext, com.android.internal.app.UsbStorageActivity.class); |
| 241 | intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| 242 | PendingIntent pi = PendingIntent.getActivity(mContext, 0, intent, 0); |
| 243 | setUsbStorageNotification( |
| 244 | com.android.internal.R.string.usb_storage_notification_title, |
| 245 | com.android.internal.R.string.usb_storage_notification_message, |
| 246 | com.android.internal.R.drawable.stat_sys_data_usb, |
| 247 | false, true, pi); |
| 248 | } else { |
| 249 | setUsbStorageNotification(0, 0, 0, false, false, null); |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | /** |
| 254 | * Sets the USB storage notification. |
| 255 | */ |
| 256 | private synchronized void setUsbStorageNotification(int titleId, int messageId, int icon, boolean sound, boolean visible, |
| 257 | PendingIntent pi) { |
| 258 | |
| 259 | if (!visible && mUsbStorageNotification == null) { |
| 260 | return; |
| 261 | } |
| 262 | |
| 263 | NotificationManager notificationManager = (NotificationManager) mContext |
| 264 | .getSystemService(Context.NOTIFICATION_SERVICE); |
| 265 | |
| 266 | if (notificationManager == null) { |
| 267 | return; |
| 268 | } |
| 269 | |
| 270 | if (visible) { |
| 271 | Resources r = Resources.getSystem(); |
| 272 | CharSequence title = r.getText(titleId); |
| 273 | CharSequence message = r.getText(messageId); |
| 274 | |
| 275 | if (mUsbStorageNotification == null) { |
| 276 | mUsbStorageNotification = new Notification(); |
| 277 | mUsbStorageNotification.icon = icon; |
| 278 | mUsbStorageNotification.when = 0; |
| 279 | } |
| 280 | |
| 281 | if (sound) { |
| 282 | mUsbStorageNotification.defaults |= Notification.DEFAULT_SOUND; |
| 283 | } else { |
| 284 | mUsbStorageNotification.defaults &= ~Notification.DEFAULT_SOUND; |
| 285 | } |
| 286 | |
| 287 | mUsbStorageNotification.flags = Notification.FLAG_ONGOING_EVENT; |
| 288 | |
| 289 | mUsbStorageNotification.tickerText = title; |
| 290 | if (pi == null) { |
| 291 | Intent intent = new Intent(); |
| 292 | pi = PendingIntent.getBroadcast(mContext, 0, intent, 0); |
| 293 | } |
| 294 | |
| 295 | mUsbStorageNotification.setLatestEventInfo(mContext, title, message, pi); |
| 296 | } |
| 297 | |
| 298 | final int notificationId = mUsbStorageNotification.icon; |
| 299 | if (visible) { |
| 300 | notificationManager.notify(notificationId, mUsbStorageNotification); |
| 301 | } else { |
| 302 | notificationManager.cancel(notificationId); |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | private synchronized boolean getMediaStorageNotificationDismissable() { |
| 307 | if ((mMediaStorageNotification != null) && |
| 308 | ((mMediaStorageNotification.flags & Notification.FLAG_AUTO_CANCEL) == |
| 309 | Notification.FLAG_AUTO_CANCEL)) |
| 310 | return true; |
| 311 | |
| 312 | return false; |
| 313 | } |
| 314 | |
| 315 | /** |
| 316 | * Sets the media storage notification. |
| 317 | */ |
| 318 | private synchronized void setMediaStorageNotification(int titleId, int messageId, int icon, boolean visible, |
| 319 | boolean dismissable, PendingIntent pi) { |
| 320 | |
| 321 | if (!visible && mMediaStorageNotification == null) { |
| 322 | return; |
| 323 | } |
| 324 | |
| 325 | NotificationManager notificationManager = (NotificationManager) mContext |
| 326 | .getSystemService(Context.NOTIFICATION_SERVICE); |
| 327 | |
| 328 | if (notificationManager == null) { |
| 329 | return; |
| 330 | } |
| 331 | |
| 332 | if (mMediaStorageNotification != null && visible) { |
| 333 | /* |
| 334 | * Dismiss the previous notification - we're about to |
| 335 | * re-use it. |
| 336 | */ |
| 337 | final int notificationId = mMediaStorageNotification.icon; |
| 338 | notificationManager.cancel(notificationId); |
| 339 | } |
| 340 | |
| 341 | if (visible) { |
| 342 | Resources r = Resources.getSystem(); |
| 343 | CharSequence title = r.getText(titleId); |
| 344 | CharSequence message = r.getText(messageId); |
| 345 | |
| 346 | if (mMediaStorageNotification == null) { |
| 347 | mMediaStorageNotification = new Notification(); |
| 348 | mMediaStorageNotification.when = 0; |
| 349 | } |
| 350 | |
| 351 | mMediaStorageNotification.defaults &= ~Notification.DEFAULT_SOUND; |
| 352 | |
| 353 | if (dismissable) { |
| 354 | mMediaStorageNotification.flags = Notification.FLAG_AUTO_CANCEL; |
| 355 | } else { |
| 356 | mMediaStorageNotification.flags = Notification.FLAG_ONGOING_EVENT; |
| 357 | } |
| 358 | |
| 359 | mMediaStorageNotification.tickerText = title; |
| 360 | if (pi == null) { |
| 361 | Intent intent = new Intent(); |
| 362 | pi = PendingIntent.getBroadcast(mContext, 0, intent, 0); |
| 363 | } |
| 364 | |
| 365 | mMediaStorageNotification.icon = icon; |
| 366 | mMediaStorageNotification.setLatestEventInfo(mContext, title, message, pi); |
| 367 | } |
| 368 | |
| 369 | final int notificationId = mMediaStorageNotification.icon; |
| 370 | if (visible) { |
| 371 | notificationManager.notify(notificationId, mMediaStorageNotification); |
| 372 | } else { |
| 373 | notificationManager.cancel(notificationId); |
| 374 | } |
| 375 | } |
| 376 | } |