MediaProvider.java revision 282dc90a0e201d992cdd0d0176028da6a565f9d5
1/* 2 * Copyright (C) 2006 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.providers.media; 18 19import android.app.SearchManager; 20import android.content.BroadcastReceiver; 21import android.content.ComponentName; 22import android.content.ContentProvider; 23import android.content.ContentProviderOperation; 24import android.content.ContentProviderResult; 25import android.content.ContentResolver; 26import android.content.ContentUris; 27import android.content.ContentValues; 28import android.content.Context; 29import android.content.Intent; 30import android.content.IntentFilter; 31import android.content.OperationApplicationException; 32import android.content.ServiceConnection; 33import android.content.UriMatcher; 34import android.database.Cursor; 35import android.database.DatabaseUtils; 36import android.database.MatrixCursor; 37import android.database.SQLException; 38import android.database.sqlite.SQLiteDatabase; 39import android.database.sqlite.SQLiteOpenHelper; 40import android.database.sqlite.SQLiteQueryBuilder; 41import android.graphics.Bitmap; 42import android.graphics.BitmapFactory; 43import android.media.MediaFile; 44import android.media.MediaScanner; 45import android.media.MiniThumbFile; 46import android.media.MtpConstants; 47import android.net.Uri; 48import android.os.Binder; 49import android.os.Environment; 50import android.os.FileUtils; 51import android.os.Handler; 52import android.os.HandlerThread; 53import android.os.Message; 54import android.os.ParcelFileDescriptor; 55import android.os.Process; 56import android.os.RemoteException; 57import android.os.SystemProperties; 58import android.provider.BaseColumns; 59import android.provider.MediaStore; 60import android.provider.MediaStore.Audio; 61import android.provider.MediaStore.Files; 62import android.provider.MediaStore.Images; 63import android.provider.MediaStore.MediaColumns; 64import android.provider.MediaStore.Video; 65import android.provider.MediaStore.Files.FileColumns; 66import android.provider.MediaStore.Images.ImageColumns; 67import android.text.TextUtils; 68import android.util.Log; 69 70import java.io.File; 71import java.io.FileInputStream; 72import java.io.FileNotFoundException; 73import java.io.IOException; 74import java.io.OutputStream; 75import java.text.Collator; 76import java.util.ArrayList; 77import java.util.HashMap; 78import java.util.HashSet; 79import java.util.Iterator; 80import java.util.List; 81import java.util.PriorityQueue; 82import java.util.Stack; 83 84/** 85 * Media content provider. See {@link android.provider.MediaStore} for details. 86 * Separate databases are kept for each external storage card we see (using the 87 * card's ID as an index). The content visible at content://media/external/... 88 * changes with the card. 89 */ 90public class MediaProvider extends ContentProvider { 91 private static final Uri MEDIA_URI = Uri.parse("content://media"); 92 private static final Uri ALBUMART_URI = Uri.parse("content://media/external/audio/albumart"); 93 private static final int ALBUM_THUMB = 1; 94 private static final int IMAGE_THUMB = 2; 95 96 private static final HashMap<String, String> sArtistAlbumsMap = new HashMap<String, String>(); 97 private static final HashMap<String, String> sFolderArtMap = new HashMap<String, String>(); 98 99 // A HashSet of paths that are pending creation of album art thumbnails. 100 private HashSet mPendingThumbs = new HashSet(); 101 102 // A Stack of outstanding thumbnail requests. 103 private Stack mThumbRequestStack = new Stack(); 104 105 // The lock of mMediaThumbQueue protects both mMediaThumbQueue and mCurrentThumbRequest. 106 private MediaThumbRequest mCurrentThumbRequest = null; 107 private PriorityQueue<MediaThumbRequest> mMediaThumbQueue = 108 new PriorityQueue<MediaThumbRequest>(MediaThumbRequest.PRIORITY_NORMAL, 109 MediaThumbRequest.getComparator()); 110 111 // For compatibility with the approximately 0 apps that used mediaprovider search in 112 // releases 1.0, 1.1 or 1.5 113 private String[] mSearchColsLegacy = new String[] { 114 android.provider.BaseColumns._ID, 115 MediaStore.Audio.Media.MIME_TYPE, 116 "(CASE WHEN grouporder=1 THEN " + R.drawable.ic_search_category_music_artist + 117 " ELSE CASE WHEN grouporder=2 THEN " + R.drawable.ic_search_category_music_album + 118 " ELSE " + R.drawable.ic_search_category_music_song + " END END" + 119 ") AS " + SearchManager.SUGGEST_COLUMN_ICON_1, 120 "0 AS " + SearchManager.SUGGEST_COLUMN_ICON_2, 121 "text1 AS " + SearchManager.SUGGEST_COLUMN_TEXT_1, 122 "text1 AS " + SearchManager.SUGGEST_COLUMN_QUERY, 123 "CASE when grouporder=1 THEN data1 ELSE artist END AS data1", 124 "CASE when grouporder=1 THEN data2 ELSE " + 125 "CASE WHEN grouporder=2 THEN NULL ELSE album END END AS data2", 126 "match as ar", 127 SearchManager.SUGGEST_COLUMN_INTENT_DATA, 128 "grouporder", 129 "NULL AS itemorder" // We should be sorting by the artist/album/title keys, but that 130 // column is not available here, and the list is already sorted. 131 }; 132 private String[] mSearchColsFancy = new String[] { 133 android.provider.BaseColumns._ID, 134 MediaStore.Audio.Media.MIME_TYPE, 135 MediaStore.Audio.Artists.ARTIST, 136 MediaStore.Audio.Albums.ALBUM, 137 MediaStore.Audio.Media.TITLE, 138 "data1", 139 "data2", 140 }; 141 // If this array gets changed, please update the constant below to point to the correct item. 142 private String[] mSearchColsBasic = new String[] { 143 android.provider.BaseColumns._ID, 144 MediaStore.Audio.Media.MIME_TYPE, 145 "(CASE WHEN grouporder=1 THEN " + R.drawable.ic_search_category_music_artist + 146 " ELSE CASE WHEN grouporder=2 THEN " + R.drawable.ic_search_category_music_album + 147 " ELSE " + R.drawable.ic_search_category_music_song + " END END" + 148 ") AS " + SearchManager.SUGGEST_COLUMN_ICON_1, 149 "text1 AS " + SearchManager.SUGGEST_COLUMN_TEXT_1, 150 "text1 AS " + SearchManager.SUGGEST_COLUMN_QUERY, 151 "(CASE WHEN grouporder=1 THEN '%1'" + // %1 gets replaced with localized string. 152 " ELSE CASE WHEN grouporder=3 THEN artist || ' - ' || album" + 153 " ELSE CASE WHEN text2!='" + MediaStore.UNKNOWN_STRING + "' THEN text2" + 154 " ELSE NULL END END END) AS " + SearchManager.SUGGEST_COLUMN_TEXT_2, 155 SearchManager.SUGGEST_COLUMN_INTENT_DATA 156 }; 157 // Position of the TEXT_2 item in the above array. 158 private final int SEARCH_COLUMN_BASIC_TEXT2 = 5; 159 160 private static final String[] mMediaTableColumns = new String[] { 161 FileColumns._ID, 162 FileColumns.MEDIA_TYPE, 163 }; 164 165 private Uri mAlbumArtBaseUri = Uri.parse("content://media/external/audio/albumart"); 166 167 private BroadcastReceiver mUnmountReceiver = new BroadcastReceiver() { 168 @Override 169 public void onReceive(Context context, Intent intent) { 170 if (intent.getAction().equals(Intent.ACTION_MEDIA_EJECT)) { 171 // Remove the external volume and then notify all cursors backed by 172 // data on that volume 173 detachVolume(Uri.parse("content://media/external")); 174 sFolderArtMap.clear(); 175 MiniThumbFile.reset(); 176 } 177 } 178 }; 179 180 // set to disable sending events when the operation originates from MTP 181 private boolean mDisableMtpObjectCallbacks; 182 183 private final SQLiteDatabase.CustomFunction mObjectRemovedCallback = 184 new SQLiteDatabase.CustomFunction() { 185 public void callback(String[] args) { 186 // do nothing if the operation originated from MTP 187 if (mDisableMtpObjectCallbacks) return; 188 189 Log.d(TAG, "object removed " + args[0]); 190 IMtpService mtpService = mMtpService; 191 if (mtpService != null) { 192 try { 193 sendObjectRemoved(Integer.parseInt(args[0])); 194 } catch (NumberFormatException e) { 195 Log.e(TAG, "NumberFormatException in mObjectRemovedCallback", e); 196 } 197 } 198 } 199 }; 200 201 // path to external storage, or media directory in internal storage 202 private static String mMediaStoragePath; 203 // legacy path, which needs to get remapped to mMediaStoragePath 204 private static String mExternalStoragePath; 205 206 /* package */ static String externalToMediaPath(String path) { 207 // convert external storage path to media path 208 if (path != null && mMediaStoragePath != null 209 && mExternalStoragePath != null 210 && path.startsWith(mExternalStoragePath)) { 211 path = mMediaStoragePath + path.substring(mExternalStoragePath.length()); 212 } 213 return path; 214 } 215 216 private static String mediaToExternalPath(String path) { 217 // convert external storage path to media path 218 if (path != null && mMediaStoragePath != null 219 && mExternalStoragePath != null 220 && path.startsWith(mMediaStoragePath)) { 221 path = mExternalStoragePath + path.substring(mMediaStoragePath.length()); 222 } 223 return path; 224 } 225 226 private static ContentValues mediaToExternalPath(ContentValues values) { 227 String path = values.getAsString(MediaStore.MediaColumns.DATA); 228 if (path != null) { 229 String fixedPath = mediaToExternalPath(path); 230 if (!path.equals(fixedPath)) { 231 values = new ContentValues(values); 232 values.put(MediaStore.MediaColumns.DATA, fixedPath); 233 } 234 } 235 return values; 236 } 237 238 /** 239 * Wrapper class for a specific database (associated with one particular 240 * external card, or with internal storage). Can open the actual database 241 * on demand, create and upgrade the schema, etc. 242 */ 243 private final class DatabaseHelper extends SQLiteOpenHelper { 244 final Context mContext; 245 final String mName; 246 final boolean mInternal; // True if this is the internal database 247 boolean mUpgradeAttempted; // Used for upgrade error handling 248 249 // In memory caches of artist and album data. 250 HashMap<String, Long> mArtistCache = new HashMap<String, Long>(); 251 HashMap<String, Long> mAlbumCache = new HashMap<String, Long>(); 252 253 public DatabaseHelper(Context context, String name, boolean internal) { 254 super(context, name, null, DATABASE_VERSION); 255 mContext = context; 256 mName = name; 257 mInternal = internal; 258 } 259 260 /** 261 * Creates database the first time we try to open it. 262 */ 263 @Override 264 public void onCreate(final SQLiteDatabase db) { 265 updateDatabase(db, mInternal, 0, DATABASE_VERSION); 266 } 267 268 /** 269 * Updates the database format when a new content provider is used 270 * with an older database format. 271 */ 272 @Override 273 public void onUpgrade(final SQLiteDatabase db, final int oldV, final int newV) { 274 mUpgradeAttempted = true; 275 updateDatabase(db, mInternal, oldV, newV); 276 } 277 278 public synchronized SQLiteDatabase getWritableDatabase() { 279 SQLiteDatabase result = null; 280 mUpgradeAttempted = false; 281 try { 282 result = super.getWritableDatabase(); 283 } catch (Exception e) { 284 if (!mUpgradeAttempted) { 285 Log.e(TAG, "failed to open database " + mName, e); 286 return null; 287 } 288 } 289 290 // If we failed to open the database during an upgrade, delete the file and try again. 291 // This will result in the creation of a fresh database, which will be repopulated 292 // when the media scanner runs. 293 if (result == null && mUpgradeAttempted) { 294 mContext.getDatabasePath(mName).delete(); 295 result = super.getWritableDatabase(); 296 } 297 return result; 298 } 299 300 /** 301 * Touch this particular database and garbage collect old databases. 302 * An LRU cache system is used to clean up databases for old external 303 * storage volumes. 304 */ 305 @Override 306 public void onOpen(SQLiteDatabase db) { 307 308 // Turn off WAL optimization as it appears to cause difficult to repoduce 309 // disk i/o errors. 310 db.disableWriteAheadLogging(); 311 312 if (mInternal) return; // The internal database is kept separately. 313 314 db.addCustomFunction("_OBJECT_REMOVED", 1, mObjectRemovedCallback); 315 316 // touch the database file to show it is most recently used 317 File file = new File(db.getPath()); 318 long now = System.currentTimeMillis(); 319 file.setLastModified(now); 320 321 // delete least recently used databases if we are over the limit 322 String[] databases = mContext.databaseList(); 323 int count = databases.length; 324 int limit = MAX_EXTERNAL_DATABASES; 325 326 // delete external databases that have not been used in the past two months 327 long twoMonthsAgo = now - OBSOLETE_DATABASE_DB; 328 for (int i = 0; i < databases.length; i++) { 329 File other = mContext.getDatabasePath(databases[i]); 330 if (INTERNAL_DATABASE_NAME.equals(databases[i]) || file.equals(other)) { 331 databases[i] = null; 332 count--; 333 if (file.equals(other)) { 334 // reduce limit to account for the existence of the database we 335 // are about to open, which we removed from the list. 336 limit--; 337 } 338 } else { 339 long time = other.lastModified(); 340 if (time < twoMonthsAgo) { 341 if (LOCAL_LOGV) Log.v(TAG, "Deleting old database " + databases[i]); 342 mContext.deleteDatabase(databases[i]); 343 databases[i] = null; 344 count--; 345 } 346 } 347 } 348 349 // delete least recently used databases until 350 // we are no longer over the limit 351 while (count > limit) { 352 int lruIndex = -1; 353 long lruTime = 0; 354 355 for (int i = 0; i < databases.length; i++) { 356 if (databases[i] != null) { 357 long time = mContext.getDatabasePath(databases[i]).lastModified(); 358 if (lruTime == 0 || time < lruTime) { 359 lruIndex = i; 360 lruTime = time; 361 } 362 } 363 } 364 365 // delete least recently used database 366 if (lruIndex != -1) { 367 if (LOCAL_LOGV) Log.v(TAG, "Deleting old database " + databases[lruIndex]); 368 mContext.deleteDatabase(databases[lruIndex]); 369 databases[lruIndex] = null; 370 count--; 371 } 372 } 373 } 374 } 375 376 private IMtpService mMtpService; 377 378 private final ServiceConnection mMtpServiceConnection = new ServiceConnection() { 379 public void onServiceConnected(ComponentName className, android.os.IBinder service) { 380 Log.d(TAG, "mMtpService connected"); 381 mMtpService = IMtpService.Stub.asInterface(service); 382 } 383 384 public void onServiceDisconnected(ComponentName className) { 385 Log.d(TAG, "mMtpService disconnected"); 386 mMtpService = null; 387 } 388 }; 389 390 @Override 391 public boolean onCreate() { 392 final Context context = getContext(); 393 394 sArtistAlbumsMap.put(MediaStore.Audio.Albums._ID, "audio.album_id AS " + 395 MediaStore.Audio.Albums._ID); 396 sArtistAlbumsMap.put(MediaStore.Audio.Albums.ALBUM, "album"); 397 sArtistAlbumsMap.put(MediaStore.Audio.Albums.ALBUM_KEY, "album_key"); 398 sArtistAlbumsMap.put(MediaStore.Audio.Albums.FIRST_YEAR, "MIN(year) AS " + 399 MediaStore.Audio.Albums.FIRST_YEAR); 400 sArtistAlbumsMap.put(MediaStore.Audio.Albums.LAST_YEAR, "MAX(year) AS " + 401 MediaStore.Audio.Albums.LAST_YEAR); 402 sArtistAlbumsMap.put(MediaStore.Audio.Media.ARTIST, "artist"); 403 sArtistAlbumsMap.put(MediaStore.Audio.Media.ARTIST_ID, "artist"); 404 sArtistAlbumsMap.put(MediaStore.Audio.Media.ARTIST_KEY, "artist_key"); 405 sArtistAlbumsMap.put(MediaStore.Audio.Albums.NUMBER_OF_SONGS, "count(*) AS " + 406 MediaStore.Audio.Albums.NUMBER_OF_SONGS); 407 sArtistAlbumsMap.put(MediaStore.Audio.Albums.ALBUM_ART, "album_art._data AS " + 408 MediaStore.Audio.Albums.ALBUM_ART); 409 410 mSearchColsBasic[SEARCH_COLUMN_BASIC_TEXT2] = 411 mSearchColsBasic[SEARCH_COLUMN_BASIC_TEXT2].replaceAll( 412 "%1", context.getString(R.string.artist_label)); 413 mDatabases = new HashMap<String, DatabaseHelper>(); 414 attachVolume(INTERNAL_VOLUME); 415 416 IntentFilter iFilter = new IntentFilter(Intent.ACTION_MEDIA_EJECT); 417 iFilter.addDataScheme("file"); 418 context.registerReceiver(mUnmountReceiver, iFilter); 419 420 // figure out correct path to use for external storage 421 mMediaStoragePath = SystemProperties.get("ro.media.storage"); 422 if (mMediaStoragePath == null || mMediaStoragePath.length() == 0) { 423 mMediaStoragePath = Environment.getExternalStorageDirectory().getAbsolutePath(); 424 } else { 425 // apps may use the legacy /mnt/sdcard path instead. 426 // if so, we need to transform the paths to use the mMediaStoragePath prefix 427 mExternalStoragePath = Environment.getExternalStorageDirectory().getAbsolutePath(); 428 if (mMediaStoragePath.equals(mExternalStoragePath)) { 429 // paths are equal - no remapping necessary 430 mExternalStoragePath = null; 431 } 432 } 433 434 // open external database if external storage is mounted 435 String state = Environment.getExternalStorageState(); 436 if (Environment.MEDIA_MOUNTED.equals(state) || 437 Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) { 438 attachVolume(EXTERNAL_VOLUME); 439 } 440 441 HandlerThread ht = new HandlerThread("thumbs thread", Process.THREAD_PRIORITY_BACKGROUND); 442 ht.start(); 443 mThumbHandler = new Handler(ht.getLooper()) { 444 @Override 445 public void handleMessage(Message msg) { 446 if (msg.what == IMAGE_THUMB) { 447 synchronized (mMediaThumbQueue) { 448 mCurrentThumbRequest = mMediaThumbQueue.poll(); 449 } 450 if (mCurrentThumbRequest == null) { 451 Log.w(TAG, "Have message but no request?"); 452 } else { 453 try { 454 File origFile = new File(mCurrentThumbRequest.mPath); 455 if (origFile.exists() && origFile.length() > 0) { 456 mCurrentThumbRequest.execute(); 457 } else { 458 // original file hasn't been stored yet 459 synchronized (mMediaThumbQueue) { 460 Log.w(TAG, "original file hasn't been stored yet: " + mCurrentThumbRequest.mPath); 461 } 462 } 463 } catch (IOException ex) { 464 Log.w(TAG, ex); 465 } catch (UnsupportedOperationException ex) { 466 // This could happen if we unplug the sd card during insert/update/delete 467 // See getDatabaseForUri. 468 Log.w(TAG, ex); 469 } catch (OutOfMemoryError err) { 470 /* 471 * Note: Catching Errors is in most cases considered 472 * bad practice. However, in this case it is 473 * motivated by the fact that corrupt or very large 474 * images may cause a huge allocation to be 475 * requested and denied. The bitmap handling API in 476 * Android offers no other way to guard against 477 * these problems than by catching OutOfMemoryError. 478 */ 479 Log.w(TAG, err); 480 } finally { 481 synchronized (mCurrentThumbRequest) { 482 mCurrentThumbRequest.mState = MediaThumbRequest.State.DONE; 483 mCurrentThumbRequest.notifyAll(); 484 } 485 } 486 } 487 } else if (msg.what == ALBUM_THUMB) { 488 ThumbData d; 489 synchronized (mThumbRequestStack) { 490 d = (ThumbData)mThumbRequestStack.pop(); 491 } 492 493 makeThumbInternal(d); 494 synchronized (mPendingThumbs) { 495 mPendingThumbs.remove(d.path); 496 } 497 } 498 } 499 }; 500 501 context.bindService(new Intent(context, MtpService.class), 502 mMtpServiceConnection, Context.BIND_AUTO_CREATE); 503 return true; 504 } 505 506 private static final String IMAGE_COLUMNS = 507 "_data,_size,_display_name,mime_type,title,date_added," + 508 "date_modified,description,picasa_id,isprivate,latitude,longitude," + 509 "datetaken,orientation,mini_thumb_magic,bucket_id,bucket_display_name"; 510 511 private static final String AUDIO_COLUMNSv99 = 512 "_data,_display_name,_size,mime_type,date_added," + 513 "date_modified,title,title_key,duration,artist_id,composer,album_id," + 514 "track,year,is_ringtone,is_music,is_alarm,is_notification,is_podcast," + 515 "bookmark"; 516 517 private static final String AUDIO_COLUMNSv100 = 518 "_data,_display_name,_size,mime_type,date_added," + 519 "date_modified,title,title_key,duration,artist_id,composer,album_id," + 520 "track,year,is_ringtone,is_music,is_alarm,is_notification,is_podcast," + 521 "bookmark,album_artist"; 522 523 private static final String VIDEO_COLUMNS = 524 "_data,_display_name,_size,mime_type,date_added,date_modified," + 525 "title,duration,artist,album,resolution,description,isprivate,tags," + 526 "category,language,mini_thumb_data,latitude,longitude,datetaken," + 527 "mini_thumb_magic,bucket_id,bucket_display_name, bookmark"; 528 529 private static final String PLAYLIST_COLUMNS = "_data,name,date_added,date_modified"; 530 531 /** 532 * This method takes care of updating all the tables in the database to the 533 * current version, creating them if necessary. 534 * This method can only update databases at schema 63 or higher, which was 535 * created August 1, 2008. Older database will be cleared and recreated. 536 * @param db Database 537 * @param internal True if this is the internal media database 538 */ 539 private static void updateDatabase(SQLiteDatabase db, boolean internal, 540 int fromVersion, int toVersion) { 541 542 // sanity checks 543 if (toVersion != DATABASE_VERSION) { 544 Log.e(TAG, "Illegal update request. Got " + toVersion + ", expected " + 545 DATABASE_VERSION); 546 throw new IllegalArgumentException(); 547 } else if (fromVersion > toVersion) { 548 Log.e(TAG, "Illegal update request: can't downgrade from " + fromVersion + 549 " to " + toVersion + ". Did you forget to wipe data?"); 550 throw new IllegalArgumentException(); 551 } 552 553 // Revisions 84-86 were a failed attempt at supporting the "album artist" id3 tag. 554 // We can't downgrade from those revisions, so start over. 555 // (the initial change to do this was wrong, so now we actually need to start over 556 // if the database version is 84-89) 557 // Post-gingerbread, revisions 91-94 were broken in a way that is not easy to repair. 558 // However version 91 was reused in a divergent development path for gingerbread, 559 // so we need to support upgrades from 91. 560 // Therefore we will only force a reset for versions 92 - 94. 561 if (fromVersion < 63 || (fromVersion >= 84 && fromVersion <= 89) || 562 (fromVersion >= 92 && fromVersion <= 94)) { 563 fromVersion = 63; 564 // Drop everything and start over. 565 Log.i(TAG, "Upgrading media database from version " + 566 fromVersion + " to " + toVersion + ", which will destroy all old data"); 567 db.execSQL("DROP TABLE IF EXISTS images"); 568 db.execSQL("DROP TRIGGER IF EXISTS images_cleanup"); 569 db.execSQL("DROP TABLE IF EXISTS thumbnails"); 570 db.execSQL("DROP TRIGGER IF EXISTS thumbnails_cleanup"); 571 db.execSQL("DROP TABLE IF EXISTS audio_meta"); 572 db.execSQL("DROP TABLE IF EXISTS artists"); 573 db.execSQL("DROP TABLE IF EXISTS albums"); 574 db.execSQL("DROP TABLE IF EXISTS album_art"); 575 db.execSQL("DROP VIEW IF EXISTS artist_info"); 576 db.execSQL("DROP VIEW IF EXISTS album_info"); 577 db.execSQL("DROP VIEW IF EXISTS artists_albums_map"); 578 db.execSQL("DROP TRIGGER IF EXISTS audio_meta_cleanup"); 579 db.execSQL("DROP TABLE IF EXISTS audio_genres"); 580 db.execSQL("DROP TABLE IF EXISTS audio_genres_map"); 581 db.execSQL("DROP TRIGGER IF EXISTS audio_genres_cleanup"); 582 db.execSQL("DROP TABLE IF EXISTS audio_playlists"); 583 db.execSQL("DROP TABLE IF EXISTS audio_playlists_map"); 584 db.execSQL("DROP TRIGGER IF EXISTS audio_playlists_cleanup"); 585 db.execSQL("DROP TRIGGER IF EXISTS albumart_cleanup1"); 586 db.execSQL("DROP TRIGGER IF EXISTS albumart_cleanup2"); 587 db.execSQL("DROP TABLE IF EXISTS video"); 588 db.execSQL("DROP TRIGGER IF EXISTS video_cleanup"); 589 db.execSQL("DROP TABLE IF EXISTS objects"); 590 db.execSQL("DROP TRIGGER IF EXISTS images_objects_cleanup"); 591 db.execSQL("DROP TRIGGER IF EXISTS audio_objects_cleanup"); 592 db.execSQL("DROP TRIGGER IF EXISTS video_objects_cleanup"); 593 db.execSQL("DROP TRIGGER IF EXISTS playlists_objects_cleanup"); 594 595 db.execSQL("CREATE TABLE IF NOT EXISTS images (" + 596 "_id INTEGER PRIMARY KEY," + 597 "_data TEXT," + 598 "_size INTEGER," + 599 "_display_name TEXT," + 600 "mime_type TEXT," + 601 "title TEXT," + 602 "date_added INTEGER," + 603 "date_modified INTEGER," + 604 "description TEXT," + 605 "picasa_id TEXT," + 606 "isprivate INTEGER," + 607 "latitude DOUBLE," + 608 "longitude DOUBLE," + 609 "datetaken INTEGER," + 610 "orientation INTEGER," + 611 "mini_thumb_magic INTEGER," + 612 "bucket_id TEXT," + 613 "bucket_display_name TEXT" + 614 ");"); 615 616 db.execSQL("CREATE INDEX IF NOT EXISTS mini_thumb_magic_index on images(mini_thumb_magic);"); 617 618 db.execSQL("CREATE TRIGGER IF NOT EXISTS images_cleanup DELETE ON images " + 619 "BEGIN " + 620 "DELETE FROM thumbnails WHERE image_id = old._id;" + 621 "SELECT _DELETE_FILE(old._data);" + 622 "END"); 623 624 // create image thumbnail table 625 db.execSQL("CREATE TABLE IF NOT EXISTS thumbnails (" + 626 "_id INTEGER PRIMARY KEY," + 627 "_data TEXT," + 628 "image_id INTEGER," + 629 "kind INTEGER," + 630 "width INTEGER," + 631 "height INTEGER" + 632 ");"); 633 634 db.execSQL("CREATE INDEX IF NOT EXISTS image_id_index on thumbnails(image_id);"); 635 636 db.execSQL("CREATE TRIGGER IF NOT EXISTS thumbnails_cleanup DELETE ON thumbnails " + 637 "BEGIN " + 638 "SELECT _DELETE_FILE(old._data);" + 639 "END"); 640 641 // Contains meta data about audio files 642 db.execSQL("CREATE TABLE IF NOT EXISTS audio_meta (" + 643 "_id INTEGER PRIMARY KEY," + 644 "_data TEXT UNIQUE NOT NULL," + 645 "_display_name TEXT," + 646 "_size INTEGER," + 647 "mime_type TEXT," + 648 "date_added INTEGER," + 649 "date_modified INTEGER," + 650 "title TEXT NOT NULL," + 651 "title_key TEXT NOT NULL," + 652 "duration INTEGER," + 653 "artist_id INTEGER," + 654 "composer TEXT," + 655 "album_id INTEGER," + 656 "track INTEGER," + // track is an integer to allow proper sorting 657 "year INTEGER CHECK(year!=0)," + 658 "is_ringtone INTEGER," + 659 "is_music INTEGER," + 660 "is_alarm INTEGER," + 661 "is_notification INTEGER" + 662 ");"); 663 664 // Contains a sort/group "key" and the preferred display name for artists 665 db.execSQL("CREATE TABLE IF NOT EXISTS artists (" + 666 "artist_id INTEGER PRIMARY KEY," + 667 "artist_key TEXT NOT NULL UNIQUE," + 668 "artist TEXT NOT NULL" + 669 ");"); 670 671 // Contains a sort/group "key" and the preferred display name for albums 672 db.execSQL("CREATE TABLE IF NOT EXISTS albums (" + 673 "album_id INTEGER PRIMARY KEY," + 674 "album_key TEXT NOT NULL UNIQUE," + 675 "album TEXT NOT NULL" + 676 ");"); 677 678 db.execSQL("CREATE TABLE IF NOT EXISTS album_art (" + 679 "album_id INTEGER PRIMARY KEY," + 680 "_data TEXT" + 681 ");"); 682 683 recreateAudioView(db); 684 685 686 // Provides some extra info about artists, like the number of tracks 687 // and albums for this artist 688 db.execSQL("CREATE VIEW IF NOT EXISTS artist_info AS " + 689 "SELECT artist_id AS _id, artist, artist_key, " + 690 "COUNT(DISTINCT album) AS number_of_albums, " + 691 "COUNT(*) AS number_of_tracks FROM audio WHERE is_music=1 "+ 692 "GROUP BY artist_key;"); 693 694 // Provides extra info albums, such as the number of tracks 695 db.execSQL("CREATE VIEW IF NOT EXISTS album_info AS " + 696 "SELECT audio.album_id AS _id, album, album_key, " + 697 "MIN(year) AS minyear, " + 698 "MAX(year) AS maxyear, artist, artist_id, artist_key, " + 699 "count(*) AS " + MediaStore.Audio.Albums.NUMBER_OF_SONGS + 700 ",album_art._data AS album_art" + 701 " FROM audio LEFT OUTER JOIN album_art ON audio.album_id=album_art.album_id" + 702 " WHERE is_music=1 GROUP BY audio.album_id;"); 703 704 // For a given artist_id, provides the album_id for albums on 705 // which the artist appears. 706 db.execSQL("CREATE VIEW IF NOT EXISTS artists_albums_map AS " + 707 "SELECT DISTINCT artist_id, album_id FROM audio_meta;"); 708 709 /* 710 * Only external media volumes can handle genres, playlists, etc. 711 */ 712 if (!internal) { 713 // Cleans up when an audio file is deleted 714 db.execSQL("CREATE TRIGGER IF NOT EXISTS audio_meta_cleanup DELETE ON audio_meta " + 715 "BEGIN " + 716 "DELETE FROM audio_genres_map WHERE audio_id = old._id;" + 717 "DELETE FROM audio_playlists_map WHERE audio_id = old._id;" + 718 "END"); 719 720 // Contains audio genre definitions 721 db.execSQL("CREATE TABLE IF NOT EXISTS audio_genres (" + 722 "_id INTEGER PRIMARY KEY," + 723 "name TEXT NOT NULL" + 724 ");"); 725 726 // Contiains mappings between audio genres and audio files 727 db.execSQL("CREATE TABLE IF NOT EXISTS audio_genres_map (" + 728 "_id INTEGER PRIMARY KEY," + 729 "audio_id INTEGER NOT NULL," + 730 "genre_id INTEGER NOT NULL" + 731 ");"); 732 733 // Cleans up when an audio genre is delete 734 db.execSQL("CREATE TRIGGER IF NOT EXISTS audio_genres_cleanup DELETE ON audio_genres " + 735 "BEGIN " + 736 "DELETE FROM audio_genres_map WHERE genre_id = old._id;" + 737 "END"); 738 739 // Contains audio playlist definitions 740 db.execSQL("CREATE TABLE IF NOT EXISTS audio_playlists (" + 741 "_id INTEGER PRIMARY KEY," + 742 "_data TEXT," + // _data is path for file based playlists, or null 743 "name TEXT NOT NULL," + 744 "date_added INTEGER," + 745 "date_modified INTEGER" + 746 ");"); 747 748 // Contains mappings between audio playlists and audio files 749 db.execSQL("CREATE TABLE IF NOT EXISTS audio_playlists_map (" + 750 "_id INTEGER PRIMARY KEY," + 751 "audio_id INTEGER NOT NULL," + 752 "playlist_id INTEGER NOT NULL," + 753 "play_order INTEGER NOT NULL" + 754 ");"); 755 756 // Cleans up when an audio playlist is deleted 757 db.execSQL("CREATE TRIGGER IF NOT EXISTS audio_playlists_cleanup DELETE ON audio_playlists " + 758 "BEGIN " + 759 "DELETE FROM audio_playlists_map WHERE playlist_id = old._id;" + 760 "SELECT _DELETE_FILE(old._data);" + 761 "END"); 762 763 // Cleans up album_art table entry when an album is deleted 764 db.execSQL("CREATE TRIGGER IF NOT EXISTS albumart_cleanup1 DELETE ON albums " + 765 "BEGIN " + 766 "DELETE FROM album_art WHERE album_id = old.album_id;" + 767 "END"); 768 769 // Cleans up album_art when an album is deleted 770 db.execSQL("CREATE TRIGGER IF NOT EXISTS albumart_cleanup2 DELETE ON album_art " + 771 "BEGIN " + 772 "SELECT _DELETE_FILE(old._data);" + 773 "END"); 774 } 775 776 // Contains meta data about video files 777 db.execSQL("CREATE TABLE IF NOT EXISTS video (" + 778 "_id INTEGER PRIMARY KEY," + 779 "_data TEXT NOT NULL," + 780 "_display_name TEXT," + 781 "_size INTEGER," + 782 "mime_type TEXT," + 783 "date_added INTEGER," + 784 "date_modified INTEGER," + 785 "title TEXT," + 786 "duration INTEGER," + 787 "artist TEXT," + 788 "album TEXT," + 789 "resolution TEXT," + 790 "description TEXT," + 791 "isprivate INTEGER," + // for YouTube videos 792 "tags TEXT," + // for YouTube videos 793 "category TEXT," + // for YouTube videos 794 "language TEXT," + // for YouTube videos 795 "mini_thumb_data TEXT," + 796 "latitude DOUBLE," + 797 "longitude DOUBLE," + 798 "datetaken INTEGER," + 799 "mini_thumb_magic INTEGER" + 800 ");"); 801 802 db.execSQL("CREATE TRIGGER IF NOT EXISTS video_cleanup DELETE ON video " + 803 "BEGIN " + 804 "SELECT _DELETE_FILE(old._data);" + 805 "END"); 806 } 807 808 // At this point the database is at least at schema version 63 (it was 809 // either created at version 63 by the code above, or was already at 810 // version 63 or later) 811 812 if (fromVersion < 64) { 813 // create the index that updates the database to schema version 64 814 db.execSQL("CREATE INDEX IF NOT EXISTS sort_index on images(datetaken ASC, _id ASC);"); 815 } 816 817 /* 818 * Android 1.0 shipped with database version 64 819 */ 820 821 if (fromVersion < 65) { 822 // create the index that updates the database to schema version 65 823 db.execSQL("CREATE INDEX IF NOT EXISTS titlekey_index on audio_meta(title_key);"); 824 } 825 826 // In version 66, originally we updateBucketNames(db, "images"), 827 // but we need to do it in version 89 and therefore save the update here. 828 829 if (fromVersion < 67) { 830 // create the indices that update the database to schema version 67 831 db.execSQL("CREATE INDEX IF NOT EXISTS albumkey_index on albums(album_key);"); 832 db.execSQL("CREATE INDEX IF NOT EXISTS artistkey_index on artists(artist_key);"); 833 } 834 835 if (fromVersion < 68) { 836 // Create bucket_id and bucket_display_name columns for the video table. 837 db.execSQL("ALTER TABLE video ADD COLUMN bucket_id TEXT;"); 838 db.execSQL("ALTER TABLE video ADD COLUMN bucket_display_name TEXT"); 839 840 // In version 68, originally we updateBucketNames(db, "video"), 841 // but we need to do it in version 89 and therefore save the update here. 842 } 843 844 if (fromVersion < 69) { 845 updateDisplayName(db, "images"); 846 } 847 848 if (fromVersion < 70) { 849 // Create bookmark column for the video table. 850 db.execSQL("ALTER TABLE video ADD COLUMN bookmark INTEGER;"); 851 } 852 853 if (fromVersion < 71) { 854 // There is no change to the database schema, however a code change 855 // fixed parsing of metadata for certain files bought from the 856 // iTunes music store, so we want to rescan files that might need it. 857 // We do this by clearing the modification date in the database for 858 // those files, so that the media scanner will see them as updated 859 // and rescan them. 860 db.execSQL("UPDATE audio_meta SET date_modified=0 WHERE _id IN (" + 861 "SELECT _id FROM audio where mime_type='audio/mp4' AND " + 862 "artist='" + MediaStore.UNKNOWN_STRING + "' AND " + 863 "album='" + MediaStore.UNKNOWN_STRING + "'" + 864 ");"); 865 } 866 867 if (fromVersion < 72) { 868 // Create is_podcast and bookmark columns for the audio table. 869 db.execSQL("ALTER TABLE audio_meta ADD COLUMN is_podcast INTEGER;"); 870 db.execSQL("UPDATE audio_meta SET is_podcast=1 WHERE _data LIKE '%/podcasts/%';"); 871 db.execSQL("UPDATE audio_meta SET is_music=0 WHERE is_podcast=1" + 872 " AND _data NOT LIKE '%/music/%';"); 873 db.execSQL("ALTER TABLE audio_meta ADD COLUMN bookmark INTEGER;"); 874 875 // New columns added to tables aren't visible in views on those tables 876 // without opening and closing the database (or using the 'vacuum' command, 877 // which we can't do here because all this code runs inside a transaction). 878 // To work around this, we drop and recreate the affected view and trigger. 879 recreateAudioView(db); 880 } 881 882 /* 883 * Android 1.5 shipped with database version 72 884 */ 885 886 if (fromVersion < 73) { 887 // There is no change to the database schema, but we now do case insensitive 888 // matching of folder names when determining whether something is music, a 889 // ringtone, podcast, etc, so we might need to reclassify some files. 890 db.execSQL("UPDATE audio_meta SET is_music=1 WHERE is_music=0 AND " + 891 "_data LIKE '%/music/%';"); 892 db.execSQL("UPDATE audio_meta SET is_ringtone=1 WHERE is_ringtone=0 AND " + 893 "_data LIKE '%/ringtones/%';"); 894 db.execSQL("UPDATE audio_meta SET is_notification=1 WHERE is_notification=0 AND " + 895 "_data LIKE '%/notifications/%';"); 896 db.execSQL("UPDATE audio_meta SET is_alarm=1 WHERE is_alarm=0 AND " + 897 "_data LIKE '%/alarms/%';"); 898 db.execSQL("UPDATE audio_meta SET is_podcast=1 WHERE is_podcast=0 AND " + 899 "_data LIKE '%/podcasts/%';"); 900 } 901 902 if (fromVersion < 74) { 903 // This view is used instead of the audio view by the union below, to force 904 // sqlite to use the title_key index. This greatly reduces memory usage 905 // (no separate copy pass needed for sorting, which could cause errors on 906 // large datasets) and improves speed (by about 35% on a large dataset) 907 db.execSQL("CREATE VIEW IF NOT EXISTS searchhelpertitle AS SELECT * FROM audio " + 908 "ORDER BY title_key;"); 909 910 db.execSQL("CREATE VIEW IF NOT EXISTS search AS " + 911 "SELECT _id," + 912 "'artist' AS mime_type," + 913 "artist," + 914 "NULL AS album," + 915 "NULL AS title," + 916 "artist AS text1," + 917 "NULL AS text2," + 918 "number_of_albums AS data1," + 919 "number_of_tracks AS data2," + 920 "artist_key AS match," + 921 "'content://media/external/audio/artists/'||_id AS suggest_intent_data," + 922 "1 AS grouporder " + 923 "FROM artist_info WHERE (artist!='" + MediaStore.UNKNOWN_STRING + "') " + 924 "UNION ALL " + 925 "SELECT _id," + 926 "'album' AS mime_type," + 927 "artist," + 928 "album," + 929 "NULL AS title," + 930 "album AS text1," + 931 "artist AS text2," + 932 "NULL AS data1," + 933 "NULL AS data2," + 934 "artist_key||' '||album_key AS match," + 935 "'content://media/external/audio/albums/'||_id AS suggest_intent_data," + 936 "2 AS grouporder " + 937 "FROM album_info WHERE (album!='" + MediaStore.UNKNOWN_STRING + "') " + 938 "UNION ALL " + 939 "SELECT searchhelpertitle._id AS _id," + 940 "mime_type," + 941 "artist," + 942 "album," + 943 "title," + 944 "title AS text1," + 945 "artist AS text2," + 946 "NULL AS data1," + 947 "NULL AS data2," + 948 "artist_key||' '||album_key||' '||title_key AS match," + 949 "'content://media/external/audio/media/'||searchhelpertitle._id AS " + 950 "suggest_intent_data," + 951 "3 AS grouporder " + 952 "FROM searchhelpertitle WHERE (title != '') " 953 ); 954 } 955 956 if (fromVersion < 75) { 957 // Force a rescan of the audio entries so we can apply the new logic to 958 // distinguish same-named albums. 959 db.execSQL("UPDATE audio_meta SET date_modified=0;"); 960 db.execSQL("DELETE FROM albums"); 961 } 962 963 if (fromVersion < 76) { 964 // We now ignore double quotes when building the key, so we have to remove all of them 965 // from existing keys. 966 db.execSQL("UPDATE audio_meta SET title_key=" + 967 "REPLACE(title_key,x'081D08C29F081D',x'081D') " + 968 "WHERE title_key LIKE '%'||x'081D08C29F081D'||'%';"); 969 db.execSQL("UPDATE albums SET album_key=" + 970 "REPLACE(album_key,x'081D08C29F081D',x'081D') " + 971 "WHERE album_key LIKE '%'||x'081D08C29F081D'||'%';"); 972 db.execSQL("UPDATE artists SET artist_key=" + 973 "REPLACE(artist_key,x'081D08C29F081D',x'081D') " + 974 "WHERE artist_key LIKE '%'||x'081D08C29F081D'||'%';"); 975 } 976 977 /* 978 * Android 1.6 shipped with database version 76 979 */ 980 981 if (fromVersion < 77) { 982 // create video thumbnail table 983 db.execSQL("CREATE TABLE IF NOT EXISTS videothumbnails (" + 984 "_id INTEGER PRIMARY KEY," + 985 "_data TEXT," + 986 "video_id INTEGER," + 987 "kind INTEGER," + 988 "width INTEGER," + 989 "height INTEGER" + 990 ");"); 991 992 db.execSQL("CREATE INDEX IF NOT EXISTS video_id_index on videothumbnails(video_id);"); 993 994 db.execSQL("CREATE TRIGGER IF NOT EXISTS videothumbnails_cleanup DELETE ON videothumbnails " + 995 "BEGIN " + 996 "SELECT _DELETE_FILE(old._data);" + 997 "END"); 998 } 999 1000 /* 1001 * Android 2.0 and 2.0.1 shipped with database version 77 1002 */ 1003 1004 if (fromVersion < 78) { 1005 // Force a rescan of the video entries so we can update 1006 // latest changed DATE_TAKEN units (in milliseconds). 1007 db.execSQL("UPDATE video SET date_modified=0;"); 1008 } 1009 1010 /* 1011 * Android 2.1 shipped with database version 78 1012 */ 1013 1014 if (fromVersion < 79) { 1015 // move /sdcard/albumthumbs to 1016 // /sdcard/Android/data/com.android.providers.media/albumthumbs, 1017 // and update the database accordingly 1018 1019 String oldthumbspath = mMediaStoragePath + "/albumthumbs"; 1020 String newthumbspath = mMediaStoragePath + "/" + ALBUM_THUMB_FOLDER; 1021 File thumbsfolder = new File(oldthumbspath); 1022 if (thumbsfolder.exists()) { 1023 // move folder to its new location 1024 File newthumbsfolder = new File(newthumbspath); 1025 newthumbsfolder.getParentFile().mkdirs(); 1026 if(thumbsfolder.renameTo(newthumbsfolder)) { 1027 // update the database 1028 db.execSQL("UPDATE album_art SET _data=REPLACE(_data, '" + 1029 oldthumbspath + "','" + newthumbspath + "');"); 1030 } 1031 } 1032 } 1033 1034 if (fromVersion < 80) { 1035 // Force rescan of image entries to update DATE_TAKEN as UTC timestamp. 1036 db.execSQL("UPDATE images SET date_modified=0;"); 1037 } 1038 1039 if (fromVersion < 81 && !internal) { 1040 // Delete entries starting with /mnt/sdcard. This is for the benefit 1041 // of users running builds between 2.0.1 and 2.1 final only, since 1042 // users updating from 2.0 or earlier will not have such entries. 1043 1044 // First we need to update the _data fields in the affected tables, since 1045 // otherwise deleting the entries will also delete the underlying files 1046 // (via a trigger), and we want to keep them. 1047 db.execSQL("UPDATE audio_playlists SET _data='////' WHERE _data LIKE '/mnt/sdcard/%';"); 1048 db.execSQL("UPDATE images SET _data='////' WHERE _data LIKE '/mnt/sdcard/%';"); 1049 db.execSQL("UPDATE video SET _data='////' WHERE _data LIKE '/mnt/sdcard/%';"); 1050 db.execSQL("UPDATE videothumbnails SET _data='////' WHERE _data LIKE '/mnt/sdcard/%';"); 1051 db.execSQL("UPDATE thumbnails SET _data='////' WHERE _data LIKE '/mnt/sdcard/%';"); 1052 db.execSQL("UPDATE album_art SET _data='////' WHERE _data LIKE '/mnt/sdcard/%';"); 1053 db.execSQL("UPDATE audio_meta SET _data='////' WHERE _data LIKE '/mnt/sdcard/%';"); 1054 // Once the paths have been renamed, we can safely delete the entries 1055 db.execSQL("DELETE FROM audio_playlists WHERE _data IS '////';"); 1056 db.execSQL("DELETE FROM images WHERE _data IS '////';"); 1057 db.execSQL("DELETE FROM video WHERE _data IS '////';"); 1058 db.execSQL("DELETE FROM videothumbnails WHERE _data IS '////';"); 1059 db.execSQL("DELETE FROM thumbnails WHERE _data IS '////';"); 1060 db.execSQL("DELETE FROM audio_meta WHERE _data IS '////';"); 1061 db.execSQL("DELETE FROM album_art WHERE _data IS '////';"); 1062 1063 // rename existing entries starting with /sdcard to /mnt/sdcard 1064 db.execSQL("UPDATE audio_meta" + 1065 " SET _data='/mnt/sdcard'||SUBSTR(_data,8) WHERE _data LIKE '/sdcard/%';"); 1066 db.execSQL("UPDATE audio_playlists" + 1067 " SET _data='/mnt/sdcard'||SUBSTR(_data,8) WHERE _data LIKE '/sdcard/%';"); 1068 db.execSQL("UPDATE images" + 1069 " SET _data='/mnt/sdcard'||SUBSTR(_data,8) WHERE _data LIKE '/sdcard/%';"); 1070 db.execSQL("UPDATE video" + 1071 " SET _data='/mnt/sdcard'||SUBSTR(_data,8) WHERE _data LIKE '/sdcard/%';"); 1072 db.execSQL("UPDATE videothumbnails" + 1073 " SET _data='/mnt/sdcard'||SUBSTR(_data,8) WHERE _data LIKE '/sdcard/%';"); 1074 db.execSQL("UPDATE thumbnails" + 1075 " SET _data='/mnt/sdcard'||SUBSTR(_data,8) WHERE _data LIKE '/sdcard/%';"); 1076 db.execSQL("UPDATE album_art" + 1077 " SET _data='/mnt/sdcard'||SUBSTR(_data,8) WHERE _data LIKE '/sdcard/%';"); 1078 1079 // Delete albums and artists, then clear the modification time on songs, which 1080 // will cause the media scanner to rescan everything, rebuilding the artist and 1081 // album tables along the way, while preserving playlists. 1082 // We need this rescan because ICU also changed, and now generates different 1083 // collation keys 1084 db.execSQL("DELETE from albums"); 1085 db.execSQL("DELETE from artists"); 1086 db.execSQL("UPDATE audio_meta SET date_modified=0;"); 1087 } 1088 1089 if (fromVersion < 82) { 1090 // recreate this view with the correct "group by" specifier 1091 db.execSQL("DROP VIEW IF EXISTS artist_info"); 1092 db.execSQL("CREATE VIEW IF NOT EXISTS artist_info AS " + 1093 "SELECT artist_id AS _id, artist, artist_key, " + 1094 "COUNT(DISTINCT album_key) AS number_of_albums, " + 1095 "COUNT(*) AS number_of_tracks FROM audio WHERE is_music=1 "+ 1096 "GROUP BY artist_key;"); 1097 } 1098 1099 /* we skipped over version 83, and reverted versions 84, 85 and 86 */ 1100 1101 if (fromVersion < 87) { 1102 // The fastscroll thumb needs an index on the strings being displayed, 1103 // otherwise the queries it does to determine the correct position 1104 // becomes really inefficient 1105 db.execSQL("CREATE INDEX IF NOT EXISTS title_idx on audio_meta(title);"); 1106 db.execSQL("CREATE INDEX IF NOT EXISTS artist_idx on artists(artist);"); 1107 db.execSQL("CREATE INDEX IF NOT EXISTS album_idx on albums(album);"); 1108 } 1109 1110 if (fromVersion < 88) { 1111 // Clean up a few more things from versions 84/85/86, and recreate 1112 // the few things worth keeping from those changes. 1113 db.execSQL("DROP TRIGGER IF EXISTS albums_update1;"); 1114 db.execSQL("DROP TRIGGER IF EXISTS albums_update2;"); 1115 db.execSQL("DROP TRIGGER IF EXISTS albums_update3;"); 1116 db.execSQL("DROP TRIGGER IF EXISTS albums_update4;"); 1117 db.execSQL("DROP TRIGGER IF EXISTS artist_update1;"); 1118 db.execSQL("DROP TRIGGER IF EXISTS artist_update2;"); 1119 db.execSQL("DROP TRIGGER IF EXISTS artist_update3;"); 1120 db.execSQL("DROP TRIGGER IF EXISTS artist_update4;"); 1121 db.execSQL("DROP VIEW IF EXISTS album_artists;"); 1122 db.execSQL("CREATE INDEX IF NOT EXISTS album_id_idx on audio_meta(album_id);"); 1123 db.execSQL("CREATE INDEX IF NOT EXISTS artist_id_idx on audio_meta(artist_id);"); 1124 // For a given artist_id, provides the album_id for albums on 1125 // which the artist appears. 1126 db.execSQL("CREATE VIEW IF NOT EXISTS artists_albums_map AS " + 1127 "SELECT DISTINCT artist_id, album_id FROM audio_meta;"); 1128 } 1129 1130 if (fromVersion < 89) { 1131 updateBucketNames(db, "images"); 1132 updateBucketNames(db, "video"); 1133 } 1134 1135 if (fromVersion < 91) { 1136 // Never query by mini_thumb_magic_index 1137 db.execSQL("DROP INDEX IF EXISTS mini_thumb_magic_index"); 1138 1139 // sort the items by taken date in each bucket 1140 db.execSQL("CREATE INDEX IF NOT EXISTS image_bucket_index ON images(bucket_id, datetaken)"); 1141 db.execSQL("CREATE INDEX IF NOT EXISTS video_bucket_index ON video(bucket_id, datetaken)"); 1142 } 1143 1144 // versions 92 - 98 were work in progress on MTP obsoleted by version 99 1145 if (fromVersion < 92) { 1146 // Delete albums and artists, then clear the modification time on songs, which 1147 // will cause the media scanner to rescan everything, rebuilding the artist and 1148 // album tables along the way, while preserving playlists. 1149 // We need this rescan because ICU also changed, and now generates different 1150 // collation keys 1151 db.execSQL("DELETE from albums"); 1152 db.execSQL("DELETE from artists"); 1153 db.execSQL("UPDATE audio_meta SET date_modified=0;"); 1154 } 1155 1156 if (fromVersion < 99) { 1157 // Remove various stages of work in progress for MTP support 1158 db.execSQL("DROP TABLE IF EXISTS objects"); 1159 db.execSQL("DROP TABLE IF EXISTS files"); 1160 db.execSQL("DROP TRIGGER IF EXISTS images_objects_cleanup;"); 1161 db.execSQL("DROP TRIGGER IF EXISTS audio_objects_cleanup;"); 1162 db.execSQL("DROP TRIGGER IF EXISTS video_objects_cleanup;"); 1163 db.execSQL("DROP TRIGGER IF EXISTS playlists_objects_cleanup;"); 1164 db.execSQL("DROP TRIGGER IF EXISTS files_cleanup_images;"); 1165 db.execSQL("DROP TRIGGER IF EXISTS files_cleanup_audio;"); 1166 db.execSQL("DROP TRIGGER IF EXISTS files_cleanup_video;"); 1167 db.execSQL("DROP TRIGGER IF EXISTS files_cleanup_playlists;"); 1168 db.execSQL("DROP TRIGGER IF EXISTS media_cleanup;"); 1169 1170 // Create a new table to manage all files in our storage. 1171 // This contains a union of all the columns from the old 1172 // images, audio_meta, videos and audio_playlist tables. 1173 db.execSQL("CREATE TABLE files (" + 1174 "_id INTEGER PRIMARY KEY AUTOINCREMENT," + 1175 "_data TEXT," + // this can be null for playlists 1176 "_size INTEGER," + 1177 "format INTEGER," + 1178 "parent INTEGER," + 1179 "date_added INTEGER," + 1180 "date_modified INTEGER," + 1181 "mime_type TEXT," + 1182 "title TEXT," + 1183 "description TEXT," + 1184 "_display_name TEXT," + 1185 1186 // for images 1187 "picasa_id TEXT," + 1188 "orientation INTEGER," + 1189 1190 // for images and video 1191 "latitude DOUBLE," + 1192 "longitude DOUBLE," + 1193 "datetaken INTEGER," + 1194 "mini_thumb_magic INTEGER," + 1195 "bucket_id TEXT," + 1196 "bucket_display_name TEXT," + 1197 "isprivate INTEGER," + 1198 1199 // for audio 1200 "title_key TEXT," + 1201 "artist_id INTEGER," + 1202 "album_id INTEGER," + 1203 "composer TEXT," + 1204 "track INTEGER," + 1205 "year INTEGER CHECK(year!=0)," + 1206 "is_ringtone INTEGER," + 1207 "is_music INTEGER," + 1208 "is_alarm INTEGER," + 1209 "is_notification INTEGER," + 1210 "is_podcast INTEGER," + 1211 1212 // for audio and video 1213 "duration INTEGER," + 1214 "bookmark INTEGER," + 1215 1216 // for video 1217 "artist TEXT," + 1218 "album TEXT," + 1219 "resolution TEXT," + 1220 "tags TEXT," + 1221 "category TEXT," + 1222 "language TEXT," + 1223 "mini_thumb_data TEXT," + 1224 1225 // for playlists 1226 "name TEXT," + 1227 1228 // media_type is used by the views to emulate the old 1229 // images, audio_meta, videos and audio_playlist tables. 1230 "media_type INTEGER," + 1231 1232 // Value of _id from the old media table. 1233 // Used only for updating other tables during database upgrade. 1234 "old_id INTEGER" + 1235 ");"); 1236 db.execSQL("CREATE INDEX path_index ON files(_data);"); 1237 db.execSQL("CREATE INDEX media_type_index ON files(media_type);"); 1238 1239 // Copy all data from our obsolete tables to the new files table 1240 db.execSQL("INSERT INTO files (" + IMAGE_COLUMNS + ",old_id,media_type) SELECT " 1241 + IMAGE_COLUMNS + ",_id," + FileColumns.MEDIA_TYPE_IMAGE + " FROM images;"); 1242 db.execSQL("INSERT INTO files (" + AUDIO_COLUMNSv99 + ",old_id,media_type) SELECT " 1243 + AUDIO_COLUMNSv99 + ",_id," + FileColumns.MEDIA_TYPE_AUDIO + " FROM audio_meta;"); 1244 db.execSQL("INSERT INTO files (" + VIDEO_COLUMNS + ",old_id,media_type) SELECT " 1245 + VIDEO_COLUMNS + ",_id," + FileColumns.MEDIA_TYPE_VIDEO + " FROM video;"); 1246 if (!internal) { 1247 db.execSQL("INSERT INTO files (" + PLAYLIST_COLUMNS + ",old_id,media_type) SELECT " 1248 + PLAYLIST_COLUMNS + ",_id," + FileColumns.MEDIA_TYPE_PLAYLIST 1249 + " FROM audio_playlists;"); 1250 } 1251 1252 // Delete the old tables 1253 db.execSQL("DROP TABLE IF EXISTS images"); 1254 db.execSQL("DROP TABLE IF EXISTS audio_meta"); 1255 db.execSQL("DROP TABLE IF EXISTS video"); 1256 db.execSQL("DROP TABLE IF EXISTS audio_playlists"); 1257 1258 // Create views to replace our old tables 1259 db.execSQL("CREATE VIEW images AS SELECT _id," + IMAGE_COLUMNS + 1260 " FROM files WHERE " + FileColumns.MEDIA_TYPE + "=" 1261 + FileColumns.MEDIA_TYPE_IMAGE + ";"); 1262// audio_meta will be created below for schema 100 1263// db.execSQL("CREATE VIEW audio_meta AS SELECT _id," + AUDIO_COLUMNSv99 + 1264// " FROM files WHERE " + FileColumns.MEDIA_TYPE + "=" 1265// + FileColumns.MEDIA_TYPE_AUDIO + ";"); 1266 db.execSQL("CREATE VIEW video AS SELECT _id," + VIDEO_COLUMNS + 1267 " FROM files WHERE " + FileColumns.MEDIA_TYPE + "=" 1268 + FileColumns.MEDIA_TYPE_VIDEO + ";"); 1269 if (!internal) { 1270 db.execSQL("CREATE VIEW audio_playlists AS SELECT _id," + PLAYLIST_COLUMNS + 1271 " FROM files WHERE " + FileColumns.MEDIA_TYPE + "=" 1272 + FileColumns.MEDIA_TYPE_PLAYLIST + ";"); 1273 } 1274 1275 // update the image_id column in the thumbnails table. 1276 db.execSQL("UPDATE thumbnails SET image_id = (SELECT _id FROM files " 1277 + "WHERE files.old_id = thumbnails.image_id AND files.media_type = " 1278 + FileColumns.MEDIA_TYPE_IMAGE + ");"); 1279 1280 if (!internal) { 1281 // update audio_id in the audio_genres_map and audio_playlists_map tables. 1282 db.execSQL("UPDATE audio_genres_map SET audio_id = (SELECT _id FROM files " 1283 + "WHERE files.old_id = audio_genres_map.audio_id AND files.media_type = " 1284 + FileColumns.MEDIA_TYPE_AUDIO + ");"); 1285 db.execSQL("UPDATE audio_playlists_map SET audio_id = (SELECT _id FROM files " 1286 + "WHERE files.old_id = audio_playlists_map.audio_id " 1287 + "AND files.media_type = " + FileColumns.MEDIA_TYPE_AUDIO + ");"); 1288 } 1289 1290 // update video_id in the videothumbnails table. 1291 db.execSQL("UPDATE videothumbnails SET video_id = (SELECT _id FROM files " 1292 + "WHERE files.old_id = videothumbnails.video_id AND files.media_type = " 1293 + FileColumns.MEDIA_TYPE_VIDEO + ");"); 1294 1295 // update indices to work on the files table 1296 db.execSQL("DROP INDEX IF EXISTS title_idx"); 1297 db.execSQL("DROP INDEX IF EXISTS album_id_idx"); 1298 db.execSQL("DROP INDEX IF EXISTS image_bucket_index"); 1299 db.execSQL("DROP INDEX IF EXISTS video_bucket_index"); 1300 db.execSQL("DROP INDEX IF EXISTS sort_index"); 1301 db.execSQL("DROP INDEX IF EXISTS titlekey_index"); 1302 db.execSQL("DROP INDEX IF EXISTS artist_id_idx"); 1303 db.execSQL("CREATE INDEX title_idx ON files(title);"); 1304 db.execSQL("CREATE INDEX album_id_idx ON files(album_id);"); 1305 db.execSQL("CREATE INDEX bucket_index ON files(bucket_id, datetaken);"); 1306 db.execSQL("CREATE INDEX sort_index ON files(datetaken ASC, _id ASC);"); 1307 db.execSQL("CREATE INDEX titlekey_index ON files(title_key);"); 1308 db.execSQL("CREATE INDEX artist_id_idx ON files(artist_id);"); 1309 1310 // Recreate triggers for our obsolete tables on the new files table 1311 db.execSQL("DROP TRIGGER IF EXISTS images_cleanup"); 1312 db.execSQL("DROP TRIGGER IF EXISTS audio_meta_cleanup"); 1313 db.execSQL("DROP TRIGGER IF EXISTS video_cleanup"); 1314 db.execSQL("DROP TRIGGER IF EXISTS audio_playlists_cleanup"); 1315 db.execSQL("DROP TRIGGER IF EXISTS audio_delete"); 1316 1317 db.execSQL("CREATE TRIGGER IF NOT EXISTS images_cleanup DELETE ON files " + 1318 "WHEN old.media_type = " + FileColumns.MEDIA_TYPE_IMAGE + " " + 1319 "BEGIN " + 1320 "DELETE FROM thumbnails WHERE image_id = old._id;" + 1321 "SELECT _DELETE_FILE(old._data);" + 1322 "END"); 1323 1324 db.execSQL("CREATE TRIGGER IF NOT EXISTS video_cleanup DELETE ON files " + 1325 "WHEN old.media_type = " + FileColumns.MEDIA_TYPE_VIDEO + " " + 1326 "BEGIN " + 1327 "SELECT _DELETE_FILE(old._data);" + 1328 "END"); 1329 1330 if (!internal) { 1331 db.execSQL("CREATE TRIGGER IF NOT EXISTS audio_meta_cleanup DELETE ON files " + 1332 "WHEN old.media_type = " + FileColumns.MEDIA_TYPE_AUDIO + " " + 1333 "BEGIN " + 1334 "DELETE FROM audio_genres_map WHERE audio_id = old._id;" + 1335 "DELETE FROM audio_playlists_map WHERE audio_id = old._id;" + 1336 "END"); 1337 1338 db.execSQL("CREATE TRIGGER IF NOT EXISTS audio_playlists_cleanup DELETE ON files " + 1339 "WHEN old.media_type = " + FileColumns.MEDIA_TYPE_PLAYLIST + " " + 1340 "BEGIN " + 1341 "DELETE FROM audio_playlists_map WHERE playlist_id = old._id;" + 1342 "SELECT _DELETE_FILE(old._data);" + 1343 "END"); 1344 1345 db.execSQL("CREATE TRIGGER IF NOT EXISTS audio_delete INSTEAD OF DELETE ON audio " + 1346 "BEGIN " + 1347 "DELETE from files where _id=old._id;" + 1348 "DELETE from audio_playlists_map where audio_id=old._id;" + 1349 "DELETE from audio_genres_map where audio_id=old._id;" + 1350 "END"); 1351 } 1352 } 1353 1354 if (fromVersion < 100) { 1355 db.execSQL("ALTER TABLE files ADD COLUMN album_artist TEXT;"); 1356 db.execSQL("DROP VIEW IF EXISTS audio_meta;"); 1357 db.execSQL("CREATE VIEW audio_meta AS SELECT _id," + AUDIO_COLUMNSv100 + 1358 " FROM files WHERE " + FileColumns.MEDIA_TYPE + "=" 1359 + FileColumns.MEDIA_TYPE_AUDIO + ";"); 1360 db.execSQL("UPDATE files SET date_modified=0 WHERE " + FileColumns.MEDIA_TYPE + "=" 1361 + FileColumns.MEDIA_TYPE_AUDIO + ";"); 1362 } 1363 1364 sanityCheck(db, fromVersion); 1365 } 1366 1367 /** 1368 * Perform a simple sanity check on the database. Currently this tests 1369 * whether all the _data entries in audio_meta are unique 1370 */ 1371 private static void sanityCheck(SQLiteDatabase db, int fromVersion) { 1372 Cursor c1 = db.query("audio_meta", new String[] {"count(*)"}, 1373 null, null, null, null, null); 1374 Cursor c2 = db.query("audio_meta", new String[] {"count(distinct _data)"}, 1375 null, null, null, null, null); 1376 c1.moveToFirst(); 1377 c2.moveToFirst(); 1378 int num1 = c1.getInt(0); 1379 int num2 = c2.getInt(0); 1380 c1.close(); 1381 c2.close(); 1382 if (num1 != num2) { 1383 Log.e(TAG, "audio_meta._data column is not unique while upgrading" + 1384 " from schema " +fromVersion + " : " + num1 +"/" + num2); 1385 // Delete all audio_meta rows so they will be rebuilt by the media scanner 1386 db.execSQL("DELETE FROM audio_meta;"); 1387 } 1388 } 1389 1390 private static void recreateAudioView(SQLiteDatabase db) { 1391 // Provides a unified audio/artist/album info view. 1392 // Note that views are read-only, so we define a trigger to allow deletes. 1393 db.execSQL("DROP VIEW IF EXISTS audio"); 1394 db.execSQL("DROP TRIGGER IF EXISTS audio_delete"); 1395 db.execSQL("CREATE VIEW IF NOT EXISTS audio as SELECT * FROM audio_meta " + 1396 "LEFT OUTER JOIN artists ON audio_meta.artist_id=artists.artist_id " + 1397 "LEFT OUTER JOIN albums ON audio_meta.album_id=albums.album_id;"); 1398 1399 db.execSQL("CREATE TRIGGER IF NOT EXISTS audio_delete INSTEAD OF DELETE ON audio " + 1400 "BEGIN " + 1401 "DELETE from audio_meta where _id=old._id;" + 1402 "DELETE from audio_playlists_map where audio_id=old._id;" + 1403 "DELETE from audio_genres_map where audio_id=old._id;" + 1404 "END"); 1405 } 1406 1407 /** 1408 * Iterate through the rows of a table in a database, ensuring that the bucket_id and 1409 * bucket_display_name columns are correct. 1410 * @param db 1411 * @param tableName 1412 */ 1413 private static void updateBucketNames(SQLiteDatabase db, String tableName) { 1414 // Rebuild the bucket_display_name column using the natural case rather than lower case. 1415 db.beginTransaction(); 1416 try { 1417 String[] columns = {BaseColumns._ID, MediaColumns.DATA}; 1418 Cursor cursor = db.query(tableName, columns, null, null, null, null, null); 1419 try { 1420 final int idColumnIndex = cursor.getColumnIndex(BaseColumns._ID); 1421 final int dataColumnIndex = cursor.getColumnIndex(MediaColumns.DATA); 1422 while (cursor.moveToNext()) { 1423 String data = cursor.getString(dataColumnIndex); 1424 ContentValues values = new ContentValues(); 1425 computeBucketValues(data, values); 1426 int rowId = cursor.getInt(idColumnIndex); 1427 db.update(tableName, values, "_id=" + rowId, null); 1428 } 1429 } finally { 1430 cursor.close(); 1431 } 1432 db.setTransactionSuccessful(); 1433 } finally { 1434 db.endTransaction(); 1435 } 1436 } 1437 1438 /** 1439 * Iterate through the rows of a table in a database, ensuring that the 1440 * display name column has a value. 1441 * @param db 1442 * @param tableName 1443 */ 1444 private static void updateDisplayName(SQLiteDatabase db, String tableName) { 1445 // Fill in default values for null displayName values 1446 db.beginTransaction(); 1447 try { 1448 String[] columns = {BaseColumns._ID, MediaColumns.DATA, MediaColumns.DISPLAY_NAME}; 1449 Cursor cursor = db.query(tableName, columns, null, null, null, null, null); 1450 try { 1451 final int idColumnIndex = cursor.getColumnIndex(BaseColumns._ID); 1452 final int dataColumnIndex = cursor.getColumnIndex(MediaColumns.DATA); 1453 final int displayNameIndex = cursor.getColumnIndex(MediaColumns.DISPLAY_NAME); 1454 ContentValues values = new ContentValues(); 1455 while (cursor.moveToNext()) { 1456 String displayName = cursor.getString(displayNameIndex); 1457 if (displayName == null) { 1458 String data = cursor.getString(dataColumnIndex); 1459 values.clear(); 1460 computeDisplayName(data, values); 1461 int rowId = cursor.getInt(idColumnIndex); 1462 db.update(tableName, values, "_id=" + rowId, null); 1463 } 1464 } 1465 } finally { 1466 cursor.close(); 1467 } 1468 db.setTransactionSuccessful(); 1469 } finally { 1470 db.endTransaction(); 1471 } 1472 } 1473 /** 1474 * @param data The input path 1475 * @param values the content values, where the bucked id name and bucket display name are updated. 1476 * 1477 */ 1478 1479 private static void computeBucketValues(String data, ContentValues values) { 1480 data = mediaToExternalPath(data); 1481 File parentFile = new File(data).getParentFile(); 1482 if (parentFile == null) { 1483 parentFile = new File("/"); 1484 } 1485 1486 // Lowercase the path for hashing. This avoids duplicate buckets if the 1487 // filepath case is changed externally. 1488 // Keep the original case for display. 1489 String path = parentFile.toString().toLowerCase(); 1490 String name = parentFile.getName(); 1491 1492 // Note: the BUCKET_ID and BUCKET_DISPLAY_NAME attributes are spelled the 1493 // same for both images and video. However, for backwards-compatibility reasons 1494 // there is no common base class. We use the ImageColumns version here 1495 values.put(ImageColumns.BUCKET_ID, path.hashCode()); 1496 values.put(ImageColumns.BUCKET_DISPLAY_NAME, name); 1497 } 1498 1499 /** 1500 * @param data The input path 1501 * @param values the content values, where the display name is updated. 1502 * 1503 */ 1504 private static void computeDisplayName(String data, ContentValues values) { 1505 String s = (data == null ? "" : data.toString()); 1506 int idx = s.lastIndexOf('/'); 1507 if (idx >= 0) { 1508 s = s.substring(idx + 1); 1509 } 1510 values.put("_display_name", s); 1511 } 1512 1513 /** 1514 * Copy taken time from date_modified if we lost the original value (e.g. after factory reset) 1515 * This works for both video and image tables. 1516 * 1517 * @param values the content values, where taken time is updated. 1518 */ 1519 private static void computeTakenTime(ContentValues values) { 1520 if (! values.containsKey(Images.Media.DATE_TAKEN)) { 1521 // This only happens when MediaScanner finds an image file that doesn't have any useful 1522 // reference to get this value. (e.g. GPSTimeStamp) 1523 Long lastModified = values.getAsLong(MediaColumns.DATE_MODIFIED); 1524 if (lastModified != null) { 1525 values.put(Images.Media.DATE_TAKEN, lastModified * 1000); 1526 } 1527 } 1528 } 1529 1530 /** 1531 * This method blocks until thumbnail is ready. 1532 * 1533 * @param thumbUri 1534 * @return 1535 */ 1536 private boolean waitForThumbnailReady(Uri origUri) { 1537 Cursor c = this.query(origUri, new String[] { ImageColumns._ID, ImageColumns.DATA, 1538 ImageColumns.MINI_THUMB_MAGIC}, null, null, null); 1539 if (c == null) return false; 1540 1541 boolean result = false; 1542 1543 if (c.moveToFirst()) { 1544 long id = c.getLong(0); 1545 String path = c.getString(1); 1546 long magic = c.getLong(2); 1547 path = mediaToExternalPath(path); 1548 1549 MediaThumbRequest req = requestMediaThumbnail(path, origUri, 1550 MediaThumbRequest.PRIORITY_HIGH, magic); 1551 if (req == null) { 1552 return false; 1553 } 1554 synchronized (req) { 1555 try { 1556 while (req.mState == MediaThumbRequest.State.WAIT) { 1557 req.wait(); 1558 } 1559 } catch (InterruptedException e) { 1560 Log.w(TAG, e); 1561 } 1562 if (req.mState == MediaThumbRequest.State.DONE) { 1563 result = true; 1564 } 1565 } 1566 } 1567 c.close(); 1568 1569 return result; 1570 } 1571 1572 private boolean matchThumbRequest(MediaThumbRequest req, int pid, long id, long gid, 1573 boolean isVideo) { 1574 boolean cancelAllOrigId = (id == -1); 1575 boolean cancelAllGroupId = (gid == -1); 1576 return (req.mCallingPid == pid) && 1577 (cancelAllGroupId || req.mGroupId == gid) && 1578 (cancelAllOrigId || req.mOrigId == id) && 1579 (req.mIsVideo == isVideo); 1580 } 1581 1582 private boolean queryThumbnail(SQLiteQueryBuilder qb, Uri uri, String table, 1583 String column, boolean hasThumbnailId) { 1584 qb.setTables(table); 1585 if (hasThumbnailId) { 1586 // For uri dispatched to this method, the 4th path segment is always 1587 // the thumbnail id. 1588 qb.appendWhere("_id = " + uri.getPathSegments().get(3)); 1589 // client already knows which thumbnail it wants, bypass it. 1590 return true; 1591 } 1592 String origId = uri.getQueryParameter("orig_id"); 1593 // We can't query ready_flag unless we know original id 1594 if (origId == null) { 1595 // this could be thumbnail query for other purpose, bypass it. 1596 return true; 1597 } 1598 1599 boolean needBlocking = "1".equals(uri.getQueryParameter("blocking")); 1600 boolean cancelRequest = "1".equals(uri.getQueryParameter("cancel")); 1601 Uri origUri = uri.buildUpon().encodedPath( 1602 uri.getPath().replaceFirst("thumbnails", "media")) 1603 .appendPath(origId).build(); 1604 1605 if (needBlocking && !waitForThumbnailReady(origUri)) { 1606 Log.w(TAG, "original media doesn't exist or it's canceled."); 1607 return false; 1608 } else if (cancelRequest) { 1609 String groupId = uri.getQueryParameter("group_id"); 1610 boolean isVideo = "video".equals(uri.getPathSegments().get(1)); 1611 int pid = Binder.getCallingPid(); 1612 long id = -1; 1613 long gid = -1; 1614 1615 try { 1616 id = Long.parseLong(origId); 1617 gid = Long.parseLong(groupId); 1618 } catch (NumberFormatException ex) { 1619 // invalid cancel request 1620 return false; 1621 } 1622 1623 synchronized (mMediaThumbQueue) { 1624 if (mCurrentThumbRequest != null && 1625 matchThumbRequest(mCurrentThumbRequest, pid, id, gid, isVideo)) { 1626 synchronized (mCurrentThumbRequest) { 1627 mCurrentThumbRequest.mState = MediaThumbRequest.State.CANCEL; 1628 mCurrentThumbRequest.notifyAll(); 1629 } 1630 } 1631 for (MediaThumbRequest mtq : mMediaThumbQueue) { 1632 if (matchThumbRequest(mtq, pid, id, gid, isVideo)) { 1633 synchronized (mtq) { 1634 mtq.mState = MediaThumbRequest.State.CANCEL; 1635 mtq.notifyAll(); 1636 } 1637 1638 mMediaThumbQueue.remove(mtq); 1639 } 1640 } 1641 } 1642 } 1643 1644 if (origId != null) { 1645 qb.appendWhere(column + " = " + origId); 1646 } 1647 return true; 1648 } 1649 @SuppressWarnings("fallthrough") 1650 @Override 1651 public Cursor query(Uri uri, String[] projectionIn, String selection, 1652 String[] selectionArgs, String sort) { 1653 int table = URI_MATCHER.match(uri); 1654 1655 // Log.v(TAG, "query: uri="+uri+", selection="+selection); 1656 // handle MEDIA_SCANNER before calling getDatabaseForUri() 1657 if (table == MEDIA_SCANNER) { 1658 if (mMediaScannerVolume == null) { 1659 return null; 1660 } else { 1661 // create a cursor to return volume currently being scanned by the media scanner 1662 MatrixCursor c = new MatrixCursor(new String[] {MediaStore.MEDIA_SCANNER_VOLUME}); 1663 c.addRow(new String[] {mMediaScannerVolume}); 1664 return c; 1665 } 1666 } 1667 1668 // Used temporarily (until we have unique media IDs) to get an identifier 1669 // for the current sd card, so that the music app doesn't have to use the 1670 // non-public getFatVolumeId method 1671 if (table == FS_ID) { 1672 MatrixCursor c = new MatrixCursor(new String[] {"fsid"}); 1673 c.addRow(new Integer[] {mVolumeId}); 1674 return c; 1675 } 1676 1677 String groupBy = null; 1678 DatabaseHelper database = getDatabaseForUri(uri); 1679 if (database == null) { 1680 return null; 1681 } 1682 SQLiteDatabase db = database.getReadableDatabase(); 1683 SQLiteQueryBuilder qb = new SQLiteQueryBuilder(); 1684 String limit = uri.getQueryParameter("limit"); 1685 String filter = uri.getQueryParameter("filter"); 1686 String [] keywords = null; 1687 if (filter != null) { 1688 filter = Uri.decode(filter).trim(); 1689 if (!TextUtils.isEmpty(filter)) { 1690 String [] searchWords = filter.split(" "); 1691 keywords = new String[searchWords.length]; 1692 Collator col = Collator.getInstance(); 1693 col.setStrength(Collator.PRIMARY); 1694 for (int i = 0; i < searchWords.length; i++) { 1695 String key = MediaStore.Audio.keyFor(searchWords[i]); 1696 key = key.replace("\\", "\\\\"); 1697 key = key.replace("%", "\\%"); 1698 key = key.replace("_", "\\_"); 1699 keywords[i] = key; 1700 } 1701 } 1702 } 1703 1704 boolean hasThumbnailId = false; 1705 1706 switch (table) { 1707 case IMAGES_MEDIA: 1708 qb.setTables("images"); 1709 if (uri.getQueryParameter("distinct") != null) 1710 qb.setDistinct(true); 1711 1712 // set the project map so that data dir is prepended to _data. 1713 //qb.setProjectionMap(mImagesProjectionMap, true); 1714 break; 1715 1716 case IMAGES_MEDIA_ID: 1717 qb.setTables("images"); 1718 if (uri.getQueryParameter("distinct") != null) 1719 qb.setDistinct(true); 1720 1721 // set the project map so that data dir is prepended to _data. 1722 //qb.setProjectionMap(mImagesProjectionMap, true); 1723 qb.appendWhere("_id = " + uri.getPathSegments().get(3)); 1724 break; 1725 1726 case IMAGES_THUMBNAILS_ID: 1727 hasThumbnailId = true; 1728 case IMAGES_THUMBNAILS: 1729 if (!queryThumbnail(qb, uri, "thumbnails", "image_id", hasThumbnailId)) { 1730 return null; 1731 } 1732 break; 1733 1734 case AUDIO_MEDIA: 1735 if (projectionIn != null && projectionIn.length == 1 && selectionArgs == null 1736 && (selection == null || selection.equalsIgnoreCase("is_music=1") 1737 || selection.equalsIgnoreCase("is_podcast=1") ) 1738 && projectionIn[0].equalsIgnoreCase("count(*)") 1739 && keywords != null) { 1740 //Log.i("@@@@", "taking fast path for counting songs"); 1741 qb.setTables("audio_meta"); 1742 } else { 1743 qb.setTables("audio"); 1744 for (int i = 0; keywords != null && i < keywords.length; i++) { 1745 if (i > 0) { 1746 qb.appendWhere(" AND "); 1747 } 1748 qb.appendWhere(MediaStore.Audio.Media.ARTIST_KEY + 1749 "||" + MediaStore.Audio.Media.ALBUM_KEY + 1750 "||" + MediaStore.Audio.Media.TITLE_KEY + " LIKE '%" + 1751 keywords[i] + "%' ESCAPE '\\'"); 1752 } 1753 } 1754 break; 1755 1756 case AUDIO_MEDIA_ID: 1757 qb.setTables("audio"); 1758 qb.appendWhere("_id=" + uri.getPathSegments().get(3)); 1759 break; 1760 1761 case AUDIO_MEDIA_ID_GENRES: 1762 qb.setTables("audio_genres"); 1763 qb.appendWhere("_id IN (SELECT genre_id FROM " + 1764 "audio_genres_map WHERE audio_id = " + 1765 uri.getPathSegments().get(3) + ")"); 1766 break; 1767 1768 case AUDIO_MEDIA_ID_GENRES_ID: 1769 qb.setTables("audio_genres"); 1770 qb.appendWhere("_id=" + uri.getPathSegments().get(5)); 1771 break; 1772 1773 case AUDIO_MEDIA_ID_PLAYLISTS: 1774 qb.setTables("audio_playlists"); 1775 qb.appendWhere("_id IN (SELECT playlist_id FROM " + 1776 "audio_playlists_map WHERE audio_id = " + 1777 uri.getPathSegments().get(3) + ")"); 1778 break; 1779 1780 case AUDIO_MEDIA_ID_PLAYLISTS_ID: 1781 qb.setTables("audio_playlists"); 1782 qb.appendWhere("_id=" + uri.getPathSegments().get(5)); 1783 break; 1784 1785 case AUDIO_GENRES: 1786 qb.setTables("audio_genres"); 1787 break; 1788 1789 case AUDIO_GENRES_ID: 1790 qb.setTables("audio_genres"); 1791 qb.appendWhere("_id=" + uri.getPathSegments().get(3)); 1792 break; 1793 1794 case AUDIO_GENRES_ID_MEMBERS: 1795 qb.setTables("audio"); 1796 qb.appendWhere("_id IN (SELECT audio_id FROM " + 1797 "audio_genres_map WHERE genre_id = " + 1798 uri.getPathSegments().get(3) + ")"); 1799 break; 1800 1801 case AUDIO_GENRES_ID_MEMBERS_ID: 1802 qb.setTables("audio"); 1803 qb.appendWhere("_id=" + uri.getPathSegments().get(5)); 1804 break; 1805 1806 case AUDIO_PLAYLISTS: 1807 qb.setTables("audio_playlists"); 1808 break; 1809 1810 case AUDIO_PLAYLISTS_ID: 1811 qb.setTables("audio_playlists"); 1812 qb.appendWhere("_id=" + uri.getPathSegments().get(3)); 1813 break; 1814 1815 case AUDIO_PLAYLISTS_ID_MEMBERS: 1816 if (projectionIn != null) { 1817 for (int i = 0; i < projectionIn.length; i++) { 1818 if (projectionIn[i].equals("_id")) { 1819 projectionIn[i] = "audio_playlists_map._id AS _id"; 1820 } 1821 } 1822 } 1823 qb.setTables("audio_playlists_map, audio"); 1824 qb.appendWhere("audio._id = audio_id AND playlist_id = " 1825 + uri.getPathSegments().get(3)); 1826 for (int i = 0; keywords != null && i < keywords.length; i++) { 1827 qb.appendWhere(" AND "); 1828 qb.appendWhere(MediaStore.Audio.Media.ARTIST_KEY + 1829 "||" + MediaStore.Audio.Media.ALBUM_KEY + 1830 "||" + MediaStore.Audio.Media.TITLE_KEY + 1831 " LIKE '%" + keywords[i] + "%' ESCAPE '\\'"); 1832 } 1833 break; 1834 1835 case AUDIO_PLAYLISTS_ID_MEMBERS_ID: 1836 qb.setTables("audio"); 1837 qb.appendWhere("_id=" + uri.getPathSegments().get(5)); 1838 break; 1839 1840 case VIDEO_MEDIA: 1841 qb.setTables("video"); 1842 if (uri.getQueryParameter("distinct") != null) { 1843 qb.setDistinct(true); 1844 } 1845 break; 1846 case VIDEO_MEDIA_ID: 1847 qb.setTables("video"); 1848 if (uri.getQueryParameter("distinct") != null) { 1849 qb.setDistinct(true); 1850 } 1851 qb.appendWhere("_id=" + uri.getPathSegments().get(3)); 1852 break; 1853 1854 case VIDEO_THUMBNAILS_ID: 1855 hasThumbnailId = true; 1856 case VIDEO_THUMBNAILS: 1857 if (!queryThumbnail(qb, uri, "videothumbnails", "video_id", hasThumbnailId)) { 1858 return null; 1859 } 1860 break; 1861 1862 case AUDIO_ARTISTS: 1863 if (projectionIn != null && projectionIn.length == 1 && selectionArgs == null 1864 && (selection == null || selection.length() == 0) 1865 && projectionIn[0].equalsIgnoreCase("count(*)") 1866 && keywords != null) { 1867 //Log.i("@@@@", "taking fast path for counting artists"); 1868 qb.setTables("audio_meta"); 1869 projectionIn[0] = "count(distinct artist_id)"; 1870 qb.appendWhere("is_music=1"); 1871 } else { 1872 qb.setTables("artist_info"); 1873 for (int i = 0; keywords != null && i < keywords.length; i++) { 1874 if (i > 0) { 1875 qb.appendWhere(" AND "); 1876 } 1877 qb.appendWhere(MediaStore.Audio.Media.ARTIST_KEY + 1878 " LIKE '%" + keywords[i] + "%' ESCAPE '\\'"); 1879 } 1880 } 1881 break; 1882 1883 case AUDIO_ARTISTS_ID: 1884 qb.setTables("artist_info"); 1885 qb.appendWhere("_id=" + uri.getPathSegments().get(3)); 1886 break; 1887 1888 case AUDIO_ARTISTS_ID_ALBUMS: 1889 String aid = uri.getPathSegments().get(3); 1890 qb.setTables("audio LEFT OUTER JOIN album_art ON" + 1891 " audio.album_id=album_art.album_id"); 1892 qb.appendWhere("is_music=1 AND audio.album_id IN (SELECT album_id FROM " + 1893 "artists_albums_map WHERE artist_id = " + 1894 aid + ")"); 1895 for (int i = 0; keywords != null && i < keywords.length; i++) { 1896 qb.appendWhere(" AND "); 1897 qb.appendWhere(MediaStore.Audio.Media.ARTIST_KEY + 1898 "||" + MediaStore.Audio.Media.ALBUM_KEY + 1899 " LIKE '%" + keywords[i] + "%' ESCAPE '\\'"); 1900 } 1901 groupBy = "audio.album_id"; 1902 sArtistAlbumsMap.put(MediaStore.Audio.Albums.NUMBER_OF_SONGS_FOR_ARTIST, 1903 "count(CASE WHEN artist_id==" + aid + " THEN 'foo' ELSE NULL END) AS " + 1904 MediaStore.Audio.Albums.NUMBER_OF_SONGS_FOR_ARTIST); 1905 qb.setProjectionMap(sArtistAlbumsMap); 1906 break; 1907 1908 case AUDIO_ALBUMS: 1909 if (projectionIn != null && projectionIn.length == 1 && selectionArgs == null 1910 && (selection == null || selection.length() == 0) 1911 && projectionIn[0].equalsIgnoreCase("count(*)") 1912 && keywords != null) { 1913 //Log.i("@@@@", "taking fast path for counting albums"); 1914 qb.setTables("audio_meta"); 1915 projectionIn[0] = "count(distinct album_id)"; 1916 qb.appendWhere("is_music=1"); 1917 } else { 1918 qb.setTables("album_info"); 1919 for (int i = 0; keywords != null && i < keywords.length; i++) { 1920 if (i > 0) { 1921 qb.appendWhere(" AND "); 1922 } 1923 qb.appendWhere(MediaStore.Audio.Media.ARTIST_KEY + 1924 "||" + MediaStore.Audio.Media.ALBUM_KEY + 1925 " LIKE '%" + keywords[i] + "%' ESCAPE '\\'"); 1926 } 1927 } 1928 break; 1929 1930 case AUDIO_ALBUMS_ID: 1931 qb.setTables("album_info"); 1932 qb.appendWhere("_id=" + uri.getPathSegments().get(3)); 1933 break; 1934 1935 case AUDIO_ALBUMART_ID: 1936 qb.setTables("album_art"); 1937 qb.appendWhere("album_id=" + uri.getPathSegments().get(3)); 1938 break; 1939 1940 case AUDIO_SEARCH_LEGACY: 1941 Log.w(TAG, "Legacy media search Uri used. Please update your code."); 1942 // fall through 1943 case AUDIO_SEARCH_FANCY: 1944 case AUDIO_SEARCH_BASIC: 1945 return doAudioSearch(db, qb, uri, projectionIn, selection, selectionArgs, sort, 1946 table, limit); 1947 1948 case FILES_ID: 1949 case MTP_OBJECTS_ID: 1950 qb.appendWhere("_id=" + uri.getPathSegments().get(2)); 1951 // fall through 1952 case FILES: 1953 case MTP_OBJECTS: 1954 qb.setTables("files"); 1955 break; 1956 1957 case MTP_OBJECT_REFERENCES: 1958 int handle = Integer.parseInt(uri.getPathSegments().get(2)); 1959 return getObjectReferences(db, handle); 1960 1961 default: 1962 throw new IllegalStateException("Unknown URL: " + uri.toString()); 1963 } 1964 1965 // Log.v(TAG, "query = "+ qb.buildQuery(projectionIn, selection, selectionArgs, groupBy, null, sort, limit)); 1966 Cursor c = qb.query(db, projectionIn, selection, 1967 selectionArgs, groupBy, null, sort, limit); 1968 1969 if (c != null) { 1970 c.setNotificationUri(getContext().getContentResolver(), uri); 1971 } 1972 1973 return c; 1974 } 1975 1976 private Cursor doAudioSearch(SQLiteDatabase db, SQLiteQueryBuilder qb, 1977 Uri uri, String[] projectionIn, String selection, 1978 String[] selectionArgs, String sort, int mode, 1979 String limit) { 1980 1981 String mSearchString = uri.getPath().endsWith("/") ? "" : uri.getLastPathSegment(); 1982 mSearchString = mSearchString.replaceAll(" ", " ").trim().toLowerCase(); 1983 1984 String [] searchWords = mSearchString.length() > 0 ? 1985 mSearchString.split(" ") : new String[0]; 1986 String [] wildcardWords = new String[searchWords.length]; 1987 Collator col = Collator.getInstance(); 1988 col.setStrength(Collator.PRIMARY); 1989 int len = searchWords.length; 1990 for (int i = 0; i < len; i++) { 1991 // Because we match on individual words here, we need to remove words 1992 // like 'a' and 'the' that aren't part of the keys. 1993 String key = MediaStore.Audio.keyFor(searchWords[i]); 1994 key = key.replace("\\", "\\\\"); 1995 key = key.replace("%", "\\%"); 1996 key = key.replace("_", "\\_"); 1997 wildcardWords[i] = 1998 (searchWords[i].equals("a") || searchWords[i].equals("an") || 1999 searchWords[i].equals("the")) ? "%" : "%" + key + "%"; 2000 } 2001 2002 String where = ""; 2003 for (int i = 0; i < searchWords.length; i++) { 2004 if (i == 0) { 2005 where = "match LIKE ? ESCAPE '\\'"; 2006 } else { 2007 where += " AND match LIKE ? ESCAPE '\\'"; 2008 } 2009 } 2010 2011 qb.setTables("search"); 2012 String [] cols; 2013 if (mode == AUDIO_SEARCH_FANCY) { 2014 cols = mSearchColsFancy; 2015 } else if (mode == AUDIO_SEARCH_BASIC) { 2016 cols = mSearchColsBasic; 2017 } else { 2018 cols = mSearchColsLegacy; 2019 } 2020 return qb.query(db, cols, where, wildcardWords, null, null, null, limit); 2021 } 2022 2023 @Override 2024 public String getType(Uri url) 2025 { 2026 switch (URI_MATCHER.match(url)) { 2027 case IMAGES_MEDIA_ID: 2028 case AUDIO_MEDIA_ID: 2029 case AUDIO_GENRES_ID_MEMBERS_ID: 2030 case AUDIO_PLAYLISTS_ID_MEMBERS_ID: 2031 case VIDEO_MEDIA_ID: 2032 case FILES_ID: 2033 Cursor c = null; 2034 try { 2035 c = query(url, MIME_TYPE_PROJECTION, null, null, null); 2036 if (c != null && c.getCount() == 1) { 2037 c.moveToFirst(); 2038 String mimeType = c.getString(1); 2039 c.deactivate(); 2040 return mimeType; 2041 } 2042 } finally { 2043 if (c != null) { 2044 c.close(); 2045 } 2046 } 2047 break; 2048 2049 case IMAGES_MEDIA: 2050 case IMAGES_THUMBNAILS: 2051 return Images.Media.CONTENT_TYPE; 2052 case AUDIO_ALBUMART_ID: 2053 case IMAGES_THUMBNAILS_ID: 2054 return "image/jpeg"; 2055 2056 case AUDIO_MEDIA: 2057 case AUDIO_GENRES_ID_MEMBERS: 2058 case AUDIO_PLAYLISTS_ID_MEMBERS: 2059 return Audio.Media.CONTENT_TYPE; 2060 2061 case AUDIO_GENRES: 2062 case AUDIO_MEDIA_ID_GENRES: 2063 return Audio.Genres.CONTENT_TYPE; 2064 case AUDIO_GENRES_ID: 2065 case AUDIO_MEDIA_ID_GENRES_ID: 2066 return Audio.Genres.ENTRY_CONTENT_TYPE; 2067 case AUDIO_PLAYLISTS: 2068 case AUDIO_MEDIA_ID_PLAYLISTS: 2069 return Audio.Playlists.CONTENT_TYPE; 2070 case AUDIO_PLAYLISTS_ID: 2071 case AUDIO_MEDIA_ID_PLAYLISTS_ID: 2072 return Audio.Playlists.ENTRY_CONTENT_TYPE; 2073 2074 case VIDEO_MEDIA: 2075 return Video.Media.CONTENT_TYPE; 2076 } 2077 throw new IllegalStateException("Unknown URL : " + url); 2078 } 2079 2080 /** 2081 * Ensures there is a file in the _data column of values, if one isn't 2082 * present a new file is created. 2083 * 2084 * @param initialValues the values passed to insert by the caller 2085 * @return the new values 2086 */ 2087 private ContentValues ensureFile(boolean internal, ContentValues initialValues, 2088 String preferredExtension, String directoryName) { 2089 ContentValues values; 2090 String file = initialValues.getAsString("_data"); 2091 file = mediaToExternalPath(file); 2092 if (TextUtils.isEmpty(file)) { 2093 file = generateFileName(internal, preferredExtension, directoryName); 2094 values = new ContentValues(initialValues); 2095 values.put("_data", file); 2096 } else { 2097 values = initialValues; 2098 } 2099 2100 if (!ensureFileExists(file)) { 2101 throw new IllegalStateException("Unable to create new file: " + file); 2102 } 2103 return values; 2104 } 2105 2106 private void sendObjectAdded(long objectHandle) { 2107 IMtpService mtpService = mMtpService; 2108 if (mtpService != null) { 2109 try { 2110 mtpService.sendObjectAdded((int)objectHandle); 2111 } catch (RemoteException e) { 2112 Log.e(TAG, "RemoteException in sendObjectAdded", e); 2113 } 2114 } 2115 } 2116 2117 private void sendObjectRemoved(long objectHandle) { 2118 IMtpService mtpService = mMtpService; 2119 if (mtpService != null) { 2120 try { 2121 mtpService.sendObjectRemoved((int)objectHandle); 2122 } catch (RemoteException e) { 2123 Log.e(TAG, "RemoteException in sendObjectRemoved", e); 2124 } 2125 } 2126 } 2127 2128 @Override 2129 public int bulkInsert(Uri uri, ContentValues values[]) { 2130 for (int i = 0; i < values.length; i++) { 2131 values[i] = mediaToExternalPath(values[i]); 2132 } 2133 int match = URI_MATCHER.match(uri); 2134 if (match == VOLUMES) { 2135 return super.bulkInsert(uri, values); 2136 } 2137 DatabaseHelper database = getDatabaseForUri(uri); 2138 if (database == null) { 2139 throw new UnsupportedOperationException( 2140 "Unknown URI: " + uri); 2141 } 2142 SQLiteDatabase db = database.getWritableDatabase(); 2143 2144 if (match == AUDIO_PLAYLISTS_ID || match == AUDIO_PLAYLISTS_ID_MEMBERS) { 2145 return playlistBulkInsert(db, uri, values); 2146 } else if (match == MTP_OBJECT_REFERENCES) { 2147 int handle = Integer.parseInt(uri.getPathSegments().get(2)); 2148 return setObjectReferences(db, handle, values); 2149 } 2150 2151 db.beginTransaction(); 2152 int numInserted = 0; 2153 try { 2154 int len = values.length; 2155 for (int i = 0; i < len; i++) { 2156 insertInternal(uri, match, values[i]); 2157 } 2158 numInserted = len; 2159 db.setTransactionSuccessful(); 2160 } finally { 2161 db.endTransaction(); 2162 } 2163 getContext().getContentResolver().notifyChange(uri, null); 2164 return numInserted; 2165 } 2166 2167 @Override 2168 public Uri insert(Uri uri, ContentValues initialValues) 2169 { 2170 initialValues = mediaToExternalPath(initialValues); 2171 int match = URI_MATCHER.match(uri); 2172 Uri newUri = insertInternal(uri, match, initialValues); 2173 // do not signal notification for MTP objects. 2174 // we will signal instead after file transfer is successful. 2175 if (newUri != null && match != MTP_OBJECTS) { 2176 getContext().getContentResolver().notifyChange(uri, null); 2177 } 2178 return newUri; 2179 } 2180 2181 private int playlistBulkInsert(SQLiteDatabase db, Uri uri, ContentValues values[]) { 2182 DatabaseUtils.InsertHelper helper = 2183 new DatabaseUtils.InsertHelper(db, "audio_playlists_map"); 2184 int audioidcolidx = helper.getColumnIndex(MediaStore.Audio.Playlists.Members.AUDIO_ID); 2185 int playlistididx = helper.getColumnIndex(Audio.Playlists.Members.PLAYLIST_ID); 2186 int playorderidx = helper.getColumnIndex(MediaStore.Audio.Playlists.Members.PLAY_ORDER); 2187 long playlistId = Long.parseLong(uri.getPathSegments().get(3)); 2188 2189 db.beginTransaction(); 2190 int numInserted = 0; 2191 try { 2192 int len = values.length; 2193 for (int i = 0; i < len; i++) { 2194 helper.prepareForInsert(); 2195 // getting the raw Object and converting it long ourselves saves 2196 // an allocation (the alternative is ContentValues.getAsLong, which 2197 // returns a Long object) 2198 long audioid = ((Number) values[i].get( 2199 MediaStore.Audio.Playlists.Members.AUDIO_ID)).longValue(); 2200 helper.bind(audioidcolidx, audioid); 2201 helper.bind(playlistididx, playlistId); 2202 // convert to int ourselves to save an allocation. 2203 int playorder = ((Number) values[i].get( 2204 MediaStore.Audio.Playlists.Members.PLAY_ORDER)).intValue(); 2205 helper.bind(playorderidx, playorder); 2206 helper.execute(); 2207 } 2208 numInserted = len; 2209 db.setTransactionSuccessful(); 2210 } finally { 2211 db.endTransaction(); 2212 helper.close(); 2213 } 2214 getContext().getContentResolver().notifyChange(uri, null); 2215 return numInserted; 2216 } 2217 2218 private long getParent(SQLiteDatabase db, String path) { 2219 int lastSlash = path.lastIndexOf('/'); 2220 if (lastSlash > 0) { 2221 String parentPath = path.substring(0, lastSlash); 2222 if (parentPath.equals(mExternalStoragePath)) { 2223 return 0; 2224 } 2225 String [] selargs = { parentPath }; 2226 Cursor c = db.query("files", null, MediaStore.MediaColumns.DATA + "=?", 2227 selargs, null, null, null); 2228 try { 2229 if (c == null || c.getCount() == 0) { 2230 // parent isn't in the database - so add it 2231 ContentValues values = new ContentValues(); 2232 values.put(FileColumns.FORMAT, MtpConstants.FORMAT_ASSOCIATION); 2233 values.put(FileColumns.DATA, parentPath); 2234 values.put(FileColumns.PARENT, getParent(db, parentPath)); 2235 long parent = db.insert("files", FileColumns.DATE_MODIFIED, values); 2236 sendObjectAdded(parent); 2237 return parent; 2238 } else { 2239 c.moveToFirst(); 2240 return c.getLong(0); 2241 } 2242 } finally { 2243 if (c != null) c.close(); 2244 } 2245 } else { 2246 return 0; 2247 } 2248 } 2249 2250 private long insertFile(DatabaseHelper database, Uri uri, ContentValues initialValues, int mediaType, 2251 boolean notify) { 2252 SQLiteDatabase db = database.getWritableDatabase(); 2253 ContentValues values = null; 2254 2255 switch (mediaType) { 2256 case FileColumns.MEDIA_TYPE_IMAGE: { 2257 values = ensureFile(database.mInternal, initialValues, ".jpg", "DCIM/Camera"); 2258 2259 values.put(MediaStore.MediaColumns.DATE_ADDED, System.currentTimeMillis() / 1000); 2260 String data = values.getAsString(MediaColumns.DATA); 2261 if (! values.containsKey(MediaColumns.DISPLAY_NAME)) { 2262 computeDisplayName(data, values); 2263 } 2264 computeBucketValues(data, values); 2265 computeTakenTime(values); 2266 break; 2267 } 2268 2269 case FileColumns.MEDIA_TYPE_AUDIO: { 2270 // SQLite Views are read-only, so we need to deconstruct this 2271 // insert and do inserts into the underlying tables. 2272 // If doing this here turns out to be a performance bottleneck, 2273 // consider moving this to native code and using triggers on 2274 // the view. 2275 values = new ContentValues(initialValues); 2276 2277 // Insert the artist into the artist table and remove it from 2278 // the input values 2279 Object so = values.get("artist"); 2280 String s = (so == null ? "" : so.toString()); 2281 values.remove("artist"); 2282 long artistRowId; 2283 HashMap<String, Long> artistCache = database.mArtistCache; 2284 String path = values.getAsString("_data"); 2285 path = mediaToExternalPath(path); 2286 synchronized(artistCache) { 2287 Long temp = artistCache.get(s); 2288 if (temp == null) { 2289 artistRowId = getKeyIdForName(db, "artists", "artist_key", "artist", 2290 s, s, path, 0, null, artistCache, uri); 2291 } else { 2292 artistRowId = temp.longValue(); 2293 } 2294 } 2295 String artist = s; 2296 2297 // Do the same for the album field 2298 so = values.get("album"); 2299 s = (so == null ? "" : so.toString()); 2300 values.remove("album"); 2301 long albumRowId; 2302 HashMap<String, Long> albumCache = database.mAlbumCache; 2303 synchronized(albumCache) { 2304 int albumhash = path.substring(0, path.lastIndexOf('/')).hashCode(); 2305 String cacheName = s + albumhash; 2306 Long temp = albumCache.get(cacheName); 2307 if (temp == null) { 2308 albumRowId = getKeyIdForName(db, "albums", "album_key", "album", 2309 s, cacheName, path, albumhash, artist, albumCache, uri); 2310 } else { 2311 albumRowId = temp; 2312 } 2313 } 2314 2315 values.put("artist_id", Integer.toString((int)artistRowId)); 2316 values.put("album_id", Integer.toString((int)albumRowId)); 2317 so = values.getAsString("title"); 2318 s = (so == null ? "" : so.toString()); 2319 values.put("title_key", MediaStore.Audio.keyFor(s)); 2320 // do a final trim of the title, in case it started with the special 2321 // "sort first" character (ascii \001) 2322 values.remove("title"); 2323 values.put("title", s.trim()); 2324 2325 computeDisplayName(values.getAsString("_data"), values); 2326 values.put(MediaStore.MediaColumns.DATE_ADDED, System.currentTimeMillis() / 1000); 2327 break; 2328 } 2329 2330 case FileColumns.MEDIA_TYPE_VIDEO: { 2331 values = ensureFile(database.mInternal, initialValues, ".3gp", "video"); 2332 String data = values.getAsString("_data"); 2333 computeDisplayName(data, values); 2334 computeBucketValues(data, values); 2335 values.put(MediaStore.MediaColumns.DATE_ADDED, System.currentTimeMillis() / 1000); 2336 computeTakenTime(values); 2337 break; 2338 } 2339 } 2340 2341 if (values == null) { 2342 values = new ContentValues(initialValues); 2343 } 2344 String path = values.getAsString(MediaStore.MediaColumns.DATA); 2345 2346 long rowId = 0; 2347 Integer i = values.getAsInteger( 2348 MediaStore.MediaColumns.MEDIA_SCANNER_NEW_OBJECT_ID); 2349 if (i != null) { 2350 rowId = i.intValue(); 2351 values = new ContentValues(values); 2352 values.remove(MediaStore.MediaColumns.MEDIA_SCANNER_NEW_OBJECT_ID); 2353 } 2354 2355 String title = values.getAsString(MediaStore.MediaColumns.TITLE); 2356 if (title == null && path != null) { 2357 title = MediaFile.getFileTitle(path); 2358 } 2359 values.put(FileColumns.TITLE, title); 2360 2361 String mimeType = values.getAsString(MediaStore.MediaColumns.MIME_TYPE); 2362 Integer formatObject = values.getAsInteger(FileColumns.FORMAT); 2363 int format = (formatObject == null ? 0 : formatObject.intValue()); 2364 if (format == 0) { 2365 if (path == null) { 2366 // special case device created playlists 2367 if (mediaType == FileColumns.MEDIA_TYPE_PLAYLIST) { 2368 values.put(FileColumns.FORMAT, MtpConstants.FORMAT_ABSTRACT_AV_PLAYLIST); 2369 // create a file path for the benefit of MTP 2370 path = mMediaStoragePath 2371 + "/Playlists/" + values.getAsString(Audio.Playlists.NAME); 2372 values.put(MediaStore.MediaColumns.DATA, path); 2373 values.put(FileColumns.PARENT, getParent(db, path)); 2374 } else { 2375 Log.e(TAG, "path is null in insertObject()"); 2376 } 2377 } else { 2378 format = MediaFile.getFormatCode(path, mimeType); 2379 } 2380 } 2381 if (format != 0) { 2382 values.put(FileColumns.FORMAT, format); 2383 if (mimeType == null) { 2384 mimeType = MediaFile.getMimeTypeForFormatCode(format); 2385 } 2386 } 2387 2388 if (mimeType == null) { 2389 mimeType = MediaFile.getMimeTypeForFile(path); 2390 } 2391 if (mimeType != null) { 2392 values.put(FileColumns.MIME_TYPE, mimeType); 2393 2394 if (mediaType == FileColumns.MEDIA_TYPE_NONE) { 2395 int fileType = MediaFile.getFileTypeForMimeType(mimeType); 2396 if (MediaFile.isAudioFileType(fileType)) { 2397 mediaType = FileColumns.MEDIA_TYPE_AUDIO; 2398 } else if (MediaFile.isVideoFileType(fileType)) { 2399 mediaType = FileColumns.MEDIA_TYPE_VIDEO; 2400 } else if (MediaFile.isImageFileType(fileType)) { 2401 mediaType = FileColumns.MEDIA_TYPE_IMAGE; 2402 } else if (MediaFile.isPlayListFileType(fileType)) { 2403 mediaType = FileColumns.MEDIA_TYPE_PLAYLIST; 2404 } 2405 } 2406 } 2407 values.put(FileColumns.MEDIA_TYPE, mediaType); 2408 2409 if (rowId == 0) { 2410 if (mediaType == FileColumns.MEDIA_TYPE_PLAYLIST) { 2411 String name = values.getAsString(Audio.Playlists.NAME); 2412 if (name == null && path == null) { 2413 // MediaScanner will compute the name from the path if we have one 2414 throw new IllegalArgumentException( 2415 "no name was provided when inserting abstract playlist"); 2416 } 2417 } else { 2418 if (path == null) { 2419 // path might be null for playlists created on the device 2420 // or transfered via MTP 2421 throw new IllegalArgumentException( 2422 "no path was provided when inserting new file"); 2423 } 2424 } 2425 2426 Long size = values.getAsLong(MediaStore.MediaColumns.SIZE); 2427 if (size == null) { 2428 if (path != null) { 2429 File file = new File(path); 2430 values.put(FileColumns.SIZE, file.length()); 2431 } 2432 } else { 2433 values.put(FileColumns.SIZE, size); 2434 } 2435 2436 Long parent = values.getAsLong(FileColumns.PARENT); 2437 if (parent == null) { 2438 if (path != null) { 2439 long parentId = getParent(db, path); 2440 values.put(FileColumns.PARENT, parentId); 2441 } 2442 } else { 2443 values.put(FileColumns.PARENT, parent); 2444 } 2445 2446 Integer modified = values.getAsInteger(MediaStore.MediaColumns.DATE_MODIFIED); 2447 if (modified != null) { 2448 values.put(FileColumns.DATE_MODIFIED, modified); 2449 } 2450 2451 rowId = db.insert("files", FileColumns.DATE_MODIFIED, values); 2452 if (LOCAL_LOGV) Log.v(TAG, "insertFile: values=" + values + " returned: " + rowId); 2453 2454 if (rowId != 0 && notify) { 2455 sendObjectAdded(rowId); 2456 } 2457 } else { 2458 db.update("files", values, FileColumns._ID + "=?", 2459 new String[] { Long.toString(rowId) }); 2460 } 2461 2462 return rowId; 2463 } 2464 2465 private Cursor getObjectReferences(SQLiteDatabase db, int handle) { 2466 Cursor c = db.query("files", mMediaTableColumns, "_id=?", 2467 new String[] { Integer.toString(handle) }, 2468 null, null, null); 2469 try { 2470 if (c != null && c.moveToNext()) { 2471 long playlistId = c.getLong(0); 2472 int mediaType = c.getInt(1); 2473 if (mediaType != FileColumns.MEDIA_TYPE_PLAYLIST) { 2474 // we only support object references for playlist objects 2475 return null; 2476 } 2477 return db.rawQuery(OBJECT_REFERENCES_QUERY, 2478 new String[] { Long.toString(playlistId) } ); 2479 } 2480 } finally { 2481 if (c != null) { 2482 c.close(); 2483 } 2484 } 2485 return null; 2486 } 2487 2488 private int setObjectReferences(SQLiteDatabase db, int handle, ContentValues values[]) { 2489 // first look up the media table and media ID for the object 2490 long playlistId = 0; 2491 Cursor c = db.query("files", mMediaTableColumns, "_id=?", 2492 new String[] { Integer.toString(handle) }, 2493 null, null, null); 2494 try { 2495 if (c != null && c.moveToNext()) { 2496 int mediaType = c.getInt(1); 2497 if (mediaType != FileColumns.MEDIA_TYPE_PLAYLIST) { 2498 // we only support object references for playlist objects 2499 return 0; 2500 } 2501 playlistId = c.getLong(0); 2502 } 2503 } finally { 2504 if (c != null) { 2505 c.close(); 2506 } 2507 } 2508 if (playlistId == 0) { 2509 return 0; 2510 } 2511 2512 // next delete any existing entries 2513 db.delete("audio_playlists_map", "playlist_id=?", 2514 new String[] { Long.toString(playlistId) }); 2515 2516 // finally add the new entries 2517 int count = values.length; 2518 int added = 0; 2519 ContentValues[] valuesList = new ContentValues[count]; 2520 for (int i = 0; i < count; i++) { 2521 // convert object ID to audio ID 2522 long audioId = 0; 2523 long objectId = values[i].getAsLong(MediaStore.MediaColumns._ID); 2524 c = db.query("files", mMediaTableColumns, "_id=?", 2525 new String[] { Long.toString(objectId) }, 2526 null, null, null); 2527 try { 2528 if (c != null && c.moveToNext()) { 2529 int mediaType = c.getInt(1); 2530 if (mediaType != FileColumns.MEDIA_TYPE_AUDIO) { 2531 // we only allow audio files in playlists, so skip 2532 continue; 2533 } 2534 audioId = c.getLong(0); 2535 } 2536 } finally { 2537 if (c != null) { 2538 c.close(); 2539 } 2540 } 2541 if (audioId != 0) { 2542 ContentValues v = new ContentValues(); 2543 v.put(MediaStore.Audio.Playlists.Members.PLAYLIST_ID, playlistId); 2544 v.put(MediaStore.Audio.Playlists.Members.AUDIO_ID, audioId); 2545 v.put(MediaStore.Audio.Playlists.Members.PLAY_ORDER, added++); 2546 valuesList[i] = v; 2547 } 2548 } 2549 if (added < count) { 2550 // we weren't able to find everything on the list, so lets resize the array 2551 // and pass what we have. 2552 ContentValues[] newValues = new ContentValues[added]; 2553 System.arraycopy(valuesList, 0, newValues, 0, added); 2554 valuesList = newValues; 2555 } 2556 return playlistBulkInsert(db, 2557 Audio.Playlists.Members.getContentUri(EXTERNAL_VOLUME, playlistId), 2558 valuesList); 2559 } 2560 2561 private Uri insertInternal(Uri uri, int match, ContentValues initialValues) { 2562 long rowId; 2563 2564 if (LOCAL_LOGV) Log.v(TAG, "insertInternal: "+uri+", initValues="+initialValues); 2565 // handle MEDIA_SCANNER before calling getDatabaseForUri() 2566 if (match == MEDIA_SCANNER) { 2567 mMediaScannerVolume = initialValues.getAsString(MediaStore.MEDIA_SCANNER_VOLUME); 2568 return MediaStore.getMediaScannerUri(); 2569 } 2570 2571 Uri newUri = null; 2572 DatabaseHelper database = getDatabaseForUri(uri); 2573 if (database == null && match != VOLUMES) { 2574 throw new UnsupportedOperationException( 2575 "Unknown URI: " + uri); 2576 } 2577 SQLiteDatabase db = (match == VOLUMES ? null : database.getWritableDatabase()); 2578 2579 switch (match) { 2580 case IMAGES_MEDIA: { 2581 rowId = insertFile(database, uri, initialValues, FileColumns.MEDIA_TYPE_IMAGE, true); 2582 if (rowId > 0) { 2583 newUri = ContentUris.withAppendedId( 2584 Images.Media.getContentUri(uri.getPathSegments().get(0)), rowId); 2585 } 2586 break; 2587 } 2588 2589 // This will be triggered by requestMediaThumbnail (see getThumbnailUri) 2590 case IMAGES_THUMBNAILS: { 2591 ContentValues values = ensureFile(database.mInternal, initialValues, ".jpg", 2592 "DCIM/.thumbnails"); 2593 rowId = db.insert("thumbnails", "name", values); 2594 if (rowId > 0) { 2595 newUri = ContentUris.withAppendedId(Images.Thumbnails. 2596 getContentUri(uri.getPathSegments().get(0)), rowId); 2597 } 2598 break; 2599 } 2600 2601 // This is currently only used by MICRO_KIND video thumbnail (see getThumbnailUri) 2602 case VIDEO_THUMBNAILS: { 2603 ContentValues values = ensureFile(database.mInternal, initialValues, ".jpg", 2604 "DCIM/.thumbnails"); 2605 rowId = db.insert("videothumbnails", "name", values); 2606 if (rowId > 0) { 2607 newUri = ContentUris.withAppendedId(Video.Thumbnails. 2608 getContentUri(uri.getPathSegments().get(0)), rowId); 2609 } 2610 break; 2611 } 2612 2613 case AUDIO_MEDIA: { 2614 rowId = insertFile(database, uri, initialValues, FileColumns.MEDIA_TYPE_AUDIO, true); 2615 if (rowId > 0) { 2616 newUri = ContentUris.withAppendedId(Audio.Media.getContentUri(uri.getPathSegments().get(0)), rowId); 2617 } 2618 break; 2619 } 2620 2621 case AUDIO_MEDIA_ID_GENRES: { 2622 Long audioId = Long.parseLong(uri.getPathSegments().get(2)); 2623 ContentValues values = new ContentValues(initialValues); 2624 values.put(Audio.Genres.Members.AUDIO_ID, audioId); 2625 rowId = db.insert("audio_genres_map", "genre_id", values); 2626 if (rowId > 0) { 2627 newUri = ContentUris.withAppendedId(uri, rowId); 2628 } 2629 break; 2630 } 2631 2632 case AUDIO_MEDIA_ID_PLAYLISTS: { 2633 Long audioId = Long.parseLong(uri.getPathSegments().get(2)); 2634 ContentValues values = new ContentValues(initialValues); 2635 values.put(Audio.Playlists.Members.AUDIO_ID, audioId); 2636 rowId = db.insert("audio_playlists_map", "playlist_id", 2637 values); 2638 if (rowId > 0) { 2639 newUri = ContentUris.withAppendedId(uri, rowId); 2640 } 2641 break; 2642 } 2643 2644 case AUDIO_GENRES: { 2645 rowId = db.insert("audio_genres", "audio_id", initialValues); 2646 if (rowId > 0) { 2647 newUri = ContentUris.withAppendedId(Audio.Genres.getContentUri(uri.getPathSegments().get(0)), rowId); 2648 } 2649 break; 2650 } 2651 2652 case AUDIO_GENRES_ID_MEMBERS: { 2653 Long genreId = Long.parseLong(uri.getPathSegments().get(3)); 2654 ContentValues values = new ContentValues(initialValues); 2655 values.put(Audio.Genres.Members.GENRE_ID, genreId); 2656 rowId = db.insert("audio_genres_map", "genre_id", values); 2657 if (rowId > 0) { 2658 newUri = ContentUris.withAppendedId(uri, rowId); 2659 } 2660 break; 2661 } 2662 2663 case AUDIO_PLAYLISTS: { 2664 ContentValues values = new ContentValues(initialValues); 2665 values.put(MediaStore.Audio.Playlists.DATE_ADDED, System.currentTimeMillis() / 1000); 2666 rowId = insertFile(database, uri, values, FileColumns.MEDIA_TYPE_PLAYLIST, true); 2667 if (rowId > 0) { 2668 newUri = ContentUris.withAppendedId(Audio.Playlists.getContentUri(uri.getPathSegments().get(0)), rowId); 2669 } 2670 break; 2671 } 2672 2673 case AUDIO_PLAYLISTS_ID: 2674 case AUDIO_PLAYLISTS_ID_MEMBERS: { 2675 Long playlistId = Long.parseLong(uri.getPathSegments().get(3)); 2676 ContentValues values = new ContentValues(initialValues); 2677 values.put(Audio.Playlists.Members.PLAYLIST_ID, playlistId); 2678 rowId = db.insert("audio_playlists_map", "playlist_id", values); 2679 if (rowId > 0) { 2680 newUri = ContentUris.withAppendedId(uri, rowId); 2681 } 2682 break; 2683 } 2684 2685 case VIDEO_MEDIA: { 2686 rowId = insertFile(database, uri, initialValues, FileColumns.MEDIA_TYPE_VIDEO, true); 2687 if (rowId > 0) { 2688 newUri = ContentUris.withAppendedId(Video.Media.getContentUri( 2689 uri.getPathSegments().get(0)), rowId); 2690 } 2691 break; 2692 } 2693 2694 case AUDIO_ALBUMART: { 2695 if (database.mInternal) { 2696 throw new UnsupportedOperationException("no internal album art allowed"); 2697 } 2698 ContentValues values = null; 2699 try { 2700 values = ensureFile(false, initialValues, "", ALBUM_THUMB_FOLDER); 2701 } catch (IllegalStateException ex) { 2702 // probably no more room to store albumthumbs 2703 values = initialValues; 2704 } 2705 rowId = db.insert("album_art", "_data", values); 2706 if (rowId > 0) { 2707 newUri = ContentUris.withAppendedId(uri, rowId); 2708 } 2709 break; 2710 } 2711 2712 case VOLUMES: 2713 return attachVolume(initialValues.getAsString("name")); 2714 2715 case FILES: 2716 rowId = insertFile(database, uri, initialValues, 2717 FileColumns.MEDIA_TYPE_NONE, true); 2718 if (rowId > 0) { 2719 newUri = Files.getContentUri(uri.getPathSegments().get(0), rowId); 2720 } 2721 break; 2722 2723 case MTP_OBJECTS: 2724 // don't send a notification if the insert originated from MTP 2725 rowId = insertFile(database, uri, initialValues, 2726 FileColumns.MEDIA_TYPE_NONE, false); 2727 if (rowId > 0) { 2728 newUri = Files.getMtpObjectsUri(uri.getPathSegments().get(0), rowId); 2729 } 2730 break; 2731 2732 default: 2733 throw new UnsupportedOperationException("Invalid URI " + uri); 2734 } 2735 2736 return newUri; 2737 } 2738 2739 @Override 2740 public ContentProviderResult[] applyBatch(ArrayList<ContentProviderOperation> operations) 2741 throws OperationApplicationException { 2742 2743 // The operations array provides no overall information about the URI(s) being operated 2744 // on, so begin a transaction for ALL of the databases. 2745 DatabaseHelper ihelper = getDatabaseForUri(MediaStore.Audio.Media.INTERNAL_CONTENT_URI); 2746 DatabaseHelper ehelper = getDatabaseForUri(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI); 2747 SQLiteDatabase idb = ihelper.getWritableDatabase(); 2748 idb.beginTransaction(); 2749 SQLiteDatabase edb = null; 2750 if (ehelper != null) { 2751 edb = ehelper.getWritableDatabase(); 2752 edb.beginTransaction(); 2753 } 2754 try { 2755 ContentProviderResult[] result = super.applyBatch(operations); 2756 idb.setTransactionSuccessful(); 2757 if (edb != null) { 2758 edb.setTransactionSuccessful(); 2759 } 2760 // Rather than sending targeted change notifications for every Uri 2761 // affected by the batch operation, just invalidate the entire internal 2762 // and external name space. 2763 ContentResolver res = getContext().getContentResolver(); 2764 res.notifyChange(Uri.parse("content://media/"), null); 2765 return result; 2766 } finally { 2767 idb.endTransaction(); 2768 if (edb != null) { 2769 edb.endTransaction(); 2770 } 2771 } 2772 } 2773 2774 2775 private MediaThumbRequest requestMediaThumbnail(String path, Uri uri, int priority, long magic) { 2776 path = mediaToExternalPath(path); 2777 synchronized (mMediaThumbQueue) { 2778 MediaThumbRequest req = null; 2779 try { 2780 req = new MediaThumbRequest( 2781 getContext().getContentResolver(), path, uri, priority, magic); 2782 mMediaThumbQueue.add(req); 2783 // Trigger the handler. 2784 Message msg = mThumbHandler.obtainMessage(IMAGE_THUMB); 2785 msg.sendToTarget(); 2786 } catch (Throwable t) { 2787 Log.w(TAG, t); 2788 } 2789 return req; 2790 } 2791 } 2792 2793 private String generateFileName(boolean internal, String preferredExtension, String directoryName) 2794 { 2795 // create a random file 2796 String name = String.valueOf(System.currentTimeMillis()); 2797 2798 if (internal) { 2799 throw new UnsupportedOperationException("Writing to internal storage is not supported."); 2800// return Environment.getDataDirectory() 2801// + "/" + directoryName + "/" + name + preferredExtension; 2802 } else { 2803 return mMediaStoragePath + "/" + directoryName + "/" + name + preferredExtension; 2804 } 2805 } 2806 2807 private boolean ensureFileExists(String path) { 2808 File file = new File(path); 2809 if (file.exists()) { 2810 return true; 2811 } else { 2812 // we will not attempt to create the first directory in the path 2813 // (for example, do not create /sdcard if the SD card is not mounted) 2814 int secondSlash = path.indexOf('/', 1); 2815 if (secondSlash < 1) return false; 2816 String directoryPath = path.substring(0, secondSlash); 2817 File directory = new File(directoryPath); 2818 if (!directory.exists()) 2819 return false; 2820 File parent = file.getParentFile(); 2821 // create parent directories if necessary, and ensure they have correct permissions 2822 if (!parent.exists()) { 2823 parent.mkdirs(); 2824 String parentPath = parent.getPath(); 2825 if (parentPath.startsWith(mMediaStoragePath)) { 2826 while (parent != null && !mMediaStoragePath.equals(parentPath)) { 2827 FileUtils.setPermissions(parentPath, 0775, Process.myUid(), 2828 Process.SDCARD_RW_GID); 2829 parent = parent.getParentFile(); 2830 parentPath = parent.getPath(); 2831 } 2832 } 2833 2834 } 2835 try { 2836 if (file.createNewFile()) { 2837 // file should be writeable for SDCARD_RW group and world readable 2838 FileUtils.setPermissions(file.getPath(), 0664, Process.myUid(), 2839 Process.SDCARD_RW_GID); 2840 return true; 2841 } 2842 } catch(IOException ioe) { 2843 Log.e(TAG, "File creation failed", ioe); 2844 } 2845 return false; 2846 } 2847 } 2848 2849 private static final class GetTableAndWhereOutParameter { 2850 public String table; 2851 public String where; 2852 } 2853 2854 static final GetTableAndWhereOutParameter sGetTableAndWhereParam = 2855 new GetTableAndWhereOutParameter(); 2856 2857 private void getTableAndWhere(Uri uri, int match, String userWhere, 2858 GetTableAndWhereOutParameter out) { 2859 String where = null; 2860 switch (match) { 2861 case IMAGES_MEDIA: 2862 out.table = "files"; 2863 where = FileColumns.MEDIA_TYPE + "=" + FileColumns.MEDIA_TYPE_IMAGE; 2864 break; 2865 2866 case IMAGES_MEDIA_ID: 2867 out.table = "files"; 2868 where = "_id = " + uri.getPathSegments().get(3); 2869 break; 2870 2871 case IMAGES_THUMBNAILS_ID: 2872 where = "_id=" + uri.getPathSegments().get(3); 2873 case IMAGES_THUMBNAILS: 2874 out.table = "thumbnails"; 2875 break; 2876 2877 case AUDIO_MEDIA: 2878 out.table = "files"; 2879 where = FileColumns.MEDIA_TYPE + "=" + FileColumns.MEDIA_TYPE_AUDIO; 2880 break; 2881 2882 case AUDIO_MEDIA_ID: 2883 out.table = "files"; 2884 where = "_id=" + uri.getPathSegments().get(3); 2885 break; 2886 2887 case AUDIO_MEDIA_ID_GENRES: 2888 out.table = "audio_genres"; 2889 where = "audio_id=" + uri.getPathSegments().get(3); 2890 break; 2891 2892 case AUDIO_MEDIA_ID_GENRES_ID: 2893 out.table = "audio_genres"; 2894 where = "audio_id=" + uri.getPathSegments().get(3) + 2895 " AND genre_id=" + uri.getPathSegments().get(5); 2896 break; 2897 2898 case AUDIO_MEDIA_ID_PLAYLISTS: 2899 out.table = "audio_playlists"; 2900 where = "audio_id=" + uri.getPathSegments().get(3); 2901 break; 2902 2903 case AUDIO_MEDIA_ID_PLAYLISTS_ID: 2904 out.table = "audio_playlists"; 2905 where = "audio_id=" + uri.getPathSegments().get(3) + 2906 " AND playlists_id=" + uri.getPathSegments().get(5); 2907 break; 2908 2909 case AUDIO_GENRES: 2910 out.table = "audio_genres"; 2911 break; 2912 2913 case AUDIO_GENRES_ID: 2914 out.table = "audio_genres"; 2915 where = "_id=" + uri.getPathSegments().get(3); 2916 break; 2917 2918 case AUDIO_GENRES_ID_MEMBERS: 2919 out.table = "audio_genres"; 2920 where = "genre_id=" + uri.getPathSegments().get(3); 2921 break; 2922 2923 case AUDIO_GENRES_ID_MEMBERS_ID: 2924 out.table = "audio_genres"; 2925 where = "genre_id=" + uri.getPathSegments().get(3) + 2926 " AND audio_id =" + uri.getPathSegments().get(5); 2927 break; 2928 2929 case AUDIO_PLAYLISTS: 2930 out.table = "files"; 2931 where = FileColumns.MEDIA_TYPE + "=" + FileColumns.MEDIA_TYPE_PLAYLIST; 2932 break; 2933 2934 case AUDIO_PLAYLISTS_ID: 2935 out.table = "files"; 2936 where = "_id=" + uri.getPathSegments().get(3); 2937 break; 2938 2939 case AUDIO_PLAYLISTS_ID_MEMBERS: 2940 out.table = "audio_playlists_map"; 2941 where = "playlist_id=" + uri.getPathSegments().get(3); 2942 break; 2943 2944 case AUDIO_PLAYLISTS_ID_MEMBERS_ID: 2945 out.table = "audio_playlists_map"; 2946 where = "playlist_id=" + uri.getPathSegments().get(3) + 2947 " AND _id=" + uri.getPathSegments().get(5); 2948 break; 2949 2950 case AUDIO_ALBUMART_ID: 2951 out.table = "album_art"; 2952 where = "album_id=" + uri.getPathSegments().get(3); 2953 break; 2954 2955 case VIDEO_MEDIA: 2956 out.table = "files"; 2957 where = FileColumns.MEDIA_TYPE + "=" + FileColumns.MEDIA_TYPE_VIDEO; 2958 break; 2959 2960 case VIDEO_MEDIA_ID: 2961 out.table = "files"; 2962 where = "_id=" + uri.getPathSegments().get(3); 2963 break; 2964 2965 case VIDEO_THUMBNAILS_ID: 2966 where = "_id=" + uri.getPathSegments().get(3); 2967 case VIDEO_THUMBNAILS: 2968 out.table = "videothumbnails"; 2969 break; 2970 2971 case FILES_ID: 2972 case MTP_OBJECTS_ID: 2973 where = "_id=" + uri.getPathSegments().get(2); 2974 case FILES: 2975 case MTP_OBJECTS: 2976 out.table = "files"; 2977 break; 2978 2979 default: 2980 throw new UnsupportedOperationException( 2981 "Unknown or unsupported URL: " + uri.toString()); 2982 } 2983 2984 // Add in the user requested WHERE clause, if needed 2985 if (!TextUtils.isEmpty(userWhere)) { 2986 if (!TextUtils.isEmpty(where)) { 2987 out.where = where + " AND (" + userWhere + ")"; 2988 } else { 2989 out.where = userWhere; 2990 } 2991 } else { 2992 out.where = where; 2993 } 2994 } 2995 2996 @Override 2997 public int delete(Uri uri, String userWhere, String[] whereArgs) { 2998 int count; 2999 int match = URI_MATCHER.match(uri); 3000 3001 // handle MEDIA_SCANNER before calling getDatabaseForUri() 3002 if (match == MEDIA_SCANNER) { 3003 if (mMediaScannerVolume == null) { 3004 return 0; 3005 } 3006 mMediaScannerVolume = null; 3007 return 1; 3008 } 3009 3010 if (match != VOLUMES_ID) { 3011 DatabaseHelper database = getDatabaseForUri(uri); 3012 if (database == null) { 3013 throw new UnsupportedOperationException( 3014 "Unknown URI: " + uri); 3015 } 3016 SQLiteDatabase db = database.getWritableDatabase(); 3017 3018 synchronized (sGetTableAndWhereParam) { 3019 getTableAndWhere(uri, match, userWhere, sGetTableAndWhereParam); 3020 switch (match) { 3021 case MTP_OBJECTS: 3022 case MTP_OBJECTS_ID: 3023 try { 3024 // don't send objectRemoved event since this originated from MTP 3025 mDisableMtpObjectCallbacks = true; 3026 count = db.delete("files", sGetTableAndWhereParam.where, whereArgs); 3027 } finally { 3028 mDisableMtpObjectCallbacks = false; 3029 } 3030 break; 3031 3032 default: 3033 count = db.delete(sGetTableAndWhereParam.table, 3034 sGetTableAndWhereParam.where, whereArgs); 3035 break; 3036 } 3037 // Since there are multiple Uris that can refer to the same files 3038 // and deletes can affect other objects in storage (like subdirectories 3039 // or playlists) we will notify a change on the entire volume to make 3040 // sure no listeners miss the notification. 3041 String volume = uri.getPathSegments().get(0); 3042 Uri notifyUri = Uri.parse("content://" + MediaStore.AUTHORITY + "/" + volume); 3043 getContext().getContentResolver().notifyChange(notifyUri, null); 3044 } 3045 } else { 3046 detachVolume(uri); 3047 count = 1; 3048 } 3049 3050 return count; 3051 } 3052 3053 @Override 3054 public int update(Uri uri, ContentValues initialValues, String userWhere, 3055 String[] whereArgs) { 3056 initialValues = mediaToExternalPath(initialValues); 3057 int count; 3058 // Log.v(TAG, "update for uri="+uri+", initValues="+initialValues); 3059 int match = URI_MATCHER.match(uri); 3060 DatabaseHelper database = getDatabaseForUri(uri); 3061 if (database == null) { 3062 throw new UnsupportedOperationException( 3063 "Unknown URI: " + uri); 3064 } 3065 SQLiteDatabase db = database.getWritableDatabase(); 3066 3067 synchronized (sGetTableAndWhereParam) { 3068 getTableAndWhere(uri, match, userWhere, sGetTableAndWhereParam); 3069 3070 // special case renaming directories via MTP. 3071 // in this case we must update all paths in the database with 3072 // the directory name as a prefix 3073 if ((match == MTP_OBJECTS || match == MTP_OBJECTS_ID) 3074 && initialValues != null && initialValues.size() == 1) { 3075 String oldPath = null; 3076 String newPath = initialValues.getAsString("_data"); 3077 // MtpDatabase will rename the directory first, so we test the new file name 3078 if (newPath != null && (new File(newPath)).isDirectory()) { 3079 Cursor cursor = db.query(sGetTableAndWhereParam.table, PATH_PROJECTION, 3080 userWhere, whereArgs, null, null, null); 3081 try { 3082 if (cursor != null && cursor.moveToNext()) { 3083 oldPath = cursor.getString(1); 3084 } 3085 } finally { 3086 if (cursor != null) cursor.close(); 3087 } 3088 if (oldPath != null) { 3089 // first rename the row for the directory 3090 count = db.update(sGetTableAndWhereParam.table, initialValues, 3091 sGetTableAndWhereParam.where, whereArgs); 3092 if (count > 0) { 3093 // then update the paths of any files and folders contained in the directory. 3094 db.execSQL("UPDATE files SET _data=REPLACE(_data, '" 3095 + oldPath + "/','" + newPath + "/');"); 3096 } 3097 3098 if (count > 0 && !db.inTransaction()) { 3099 getContext().getContentResolver().notifyChange(uri, null); 3100 } 3101 return count; 3102 } 3103 } 3104 } 3105 3106 switch (match) { 3107 case AUDIO_MEDIA: 3108 case AUDIO_MEDIA_ID: 3109 { 3110 ContentValues values = new ContentValues(initialValues); 3111 3112 // Insert the artist into the artist table and remove it from 3113 // the input values 3114 String artist = values.getAsString("artist"); 3115 values.remove("artist"); 3116 if (artist != null) { 3117 long artistRowId; 3118 HashMap<String, Long> artistCache = database.mArtistCache; 3119 synchronized(artistCache) { 3120 Long temp = artistCache.get(artist); 3121 if (temp == null) { 3122 artistRowId = getKeyIdForName(db, "artists", "artist_key", "artist", 3123 artist, artist, null, 0, null, artistCache, uri); 3124 } else { 3125 artistRowId = temp.longValue(); 3126 } 3127 } 3128 values.put("artist_id", Integer.toString((int)artistRowId)); 3129 } 3130 3131 // Do the same for the album field. 3132 String so = values.getAsString("album"); 3133 values.remove("album"); 3134 if (so != null) { 3135 String path = values.getAsString("_data"); 3136 int albumHash = 0; 3137 if (path == null) { 3138 // If the path is null, we don't have a hash for the file in question. 3139 Log.w(TAG, "Update without specified path."); 3140 } else { 3141 path = mediaToExternalPath(path); 3142 albumHash = path.substring(0, path.lastIndexOf('/')).hashCode(); 3143 } 3144 String s = so.toString(); 3145 long albumRowId; 3146 HashMap<String, Long> albumCache = database.mAlbumCache; 3147 synchronized(albumCache) { 3148 String cacheName = s + albumHash; 3149 Long temp = albumCache.get(cacheName); 3150 if (temp == null) { 3151 albumRowId = getKeyIdForName(db, "albums", "album_key", "album", 3152 s, cacheName, path, albumHash, artist, albumCache, uri); 3153 } else { 3154 albumRowId = temp.longValue(); 3155 } 3156 } 3157 values.put("album_id", Integer.toString((int)albumRowId)); 3158 } 3159 3160 // don't allow the title_key field to be updated directly 3161 values.remove("title_key"); 3162 // If the title field is modified, update the title_key 3163 so = values.getAsString("title"); 3164 if (so != null) { 3165 String s = so.toString(); 3166 values.put("title_key", MediaStore.Audio.keyFor(s)); 3167 // do a final trim of the title, in case it started with the special 3168 // "sort first" character (ascii \001) 3169 values.remove("title"); 3170 values.put("title", s.trim()); 3171 } 3172 3173 count = db.update(sGetTableAndWhereParam.table, values, 3174 sGetTableAndWhereParam.where, whereArgs); 3175 } 3176 break; 3177 case IMAGES_MEDIA: 3178 case IMAGES_MEDIA_ID: 3179 case VIDEO_MEDIA: 3180 case VIDEO_MEDIA_ID: 3181 { 3182 ContentValues values = new ContentValues(initialValues); 3183 // Don't allow bucket id or display name to be updated directly. 3184 // The same names are used for both images and table columns, so 3185 // we use the ImageColumns constants here. 3186 values.remove(ImageColumns.BUCKET_ID); 3187 values.remove(ImageColumns.BUCKET_DISPLAY_NAME); 3188 // If the data is being modified update the bucket values 3189 String data = values.getAsString(MediaColumns.DATA); 3190 if (data != null) { 3191 computeBucketValues(data, values); 3192 } 3193 computeTakenTime(values); 3194 count = db.update(sGetTableAndWhereParam.table, values, 3195 sGetTableAndWhereParam.where, whereArgs); 3196 // if this is a request from MediaScanner, DATA should contains file path 3197 // we only process update request from media scanner, otherwise the requests 3198 // could be duplicate. 3199 if (count > 0 && values.getAsString(MediaStore.MediaColumns.DATA) != null) { 3200 Cursor c = db.query(sGetTableAndWhereParam.table, 3201 READY_FLAG_PROJECTION, sGetTableAndWhereParam.where, 3202 whereArgs, null, null, null); 3203 if (c != null) { 3204 try { 3205 while (c.moveToNext()) { 3206 long magic = c.getLong(2); 3207 if (magic == 0) { 3208 requestMediaThumbnail(c.getString(1), uri, 3209 MediaThumbRequest.PRIORITY_NORMAL, 0); 3210 } 3211 } 3212 } finally { 3213 c.close(); 3214 } 3215 } 3216 } 3217 } 3218 break; 3219 3220 case AUDIO_PLAYLISTS_ID_MEMBERS_ID: 3221 String moveit = uri.getQueryParameter("move"); 3222 if (moveit != null) { 3223 String key = MediaStore.Audio.Playlists.Members.PLAY_ORDER; 3224 if (initialValues.containsKey(key)) { 3225 int newpos = initialValues.getAsInteger(key); 3226 List <String> segments = uri.getPathSegments(); 3227 long playlist = Long.valueOf(segments.get(3)); 3228 int oldpos = Integer.valueOf(segments.get(5)); 3229 return movePlaylistEntry(db, playlist, oldpos, newpos); 3230 } 3231 throw new IllegalArgumentException("Need to specify " + key + 3232 " when using 'move' parameter"); 3233 } 3234 // fall through 3235 default: 3236 count = db.update(sGetTableAndWhereParam.table, initialValues, 3237 sGetTableAndWhereParam.where, whereArgs); 3238 break; 3239 } 3240 } 3241 // in a transaction, the code that began the transaction should be taking 3242 // care of notifications once it ends the transaction successfully 3243 if (count > 0 && !db.inTransaction()) { 3244 getContext().getContentResolver().notifyChange(uri, null); 3245 } 3246 return count; 3247 } 3248 3249 private int movePlaylistEntry(SQLiteDatabase db, long playlist, int from, int to) { 3250 if (from == to) { 3251 return 0; 3252 } 3253 db.beginTransaction(); 3254 try { 3255 int numlines = 0; 3256 db.execSQL("UPDATE audio_playlists_map SET play_order=-1" + 3257 " WHERE play_order=" + from + 3258 " AND playlist_id=" + playlist); 3259 // We could just run both of the next two statements, but only one of 3260 // of them will actually do anything, so might as well skip the compile 3261 // and execute steps. 3262 if (from < to) { 3263 db.execSQL("UPDATE audio_playlists_map SET play_order=play_order-1" + 3264 " WHERE play_order<=" + to + " AND play_order>" + from + 3265 " AND playlist_id=" + playlist); 3266 numlines = to - from + 1; 3267 } else { 3268 db.execSQL("UPDATE audio_playlists_map SET play_order=play_order+1" + 3269 " WHERE play_order>=" + to + " AND play_order<" + from + 3270 " AND playlist_id=" + playlist); 3271 numlines = from - to + 1; 3272 } 3273 db.execSQL("UPDATE audio_playlists_map SET play_order=" + to + 3274 " WHERE play_order=-1 AND playlist_id=" + playlist); 3275 db.setTransactionSuccessful(); 3276 Uri uri = MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI 3277 .buildUpon().appendEncodedPath(String.valueOf(playlist)).build(); 3278 getContext().getContentResolver().notifyChange(uri, null); 3279 return numlines; 3280 } finally { 3281 db.endTransaction(); 3282 } 3283 } 3284 3285 private static final String[] openFileColumns = new String[] { 3286 MediaStore.MediaColumns.DATA, 3287 }; 3288 3289 /* Same as ContentProvider.openFileHelper, except we will convert paths 3290 in external storage to internal media storage to avoid Fuse overhead. 3291 */ 3292 private final ParcelFileDescriptor doOpenFile(Uri uri, 3293 String mode) throws FileNotFoundException { 3294 Cursor c = query(uri, new String[]{"_data"}, null, null, null); 3295 int count = (c != null) ? c.getCount() : 0; 3296 if (count != 1) { 3297 // If there is not exactly one result, throw an appropriate 3298 // exception. 3299 if (c != null) { 3300 c.close(); 3301 } 3302 if (count == 0) { 3303 throw new FileNotFoundException("No entry for " + uri); 3304 } 3305 throw new FileNotFoundException("Multiple items at " + uri); 3306 } 3307 3308 c.moveToFirst(); 3309 int i = c.getColumnIndex("_data"); 3310 String path = (i >= 0 ? c.getString(i) : null); 3311 c.close(); 3312 if (path == null) { 3313 throw new FileNotFoundException("Column _data not found."); 3314 } 3315 3316 path = externalToMediaPath(path); 3317 int modeBits = ContentResolver.modeToMode(uri, mode); 3318 return ParcelFileDescriptor.open(new File(path), modeBits); 3319 } 3320 3321 @Override 3322 public ParcelFileDescriptor openFile(Uri uri, String mode) 3323 throws FileNotFoundException { 3324 3325 ParcelFileDescriptor pfd = null; 3326 3327 if (URI_MATCHER.match(uri) == AUDIO_ALBUMART_FILE_ID) { 3328 // get album art for the specified media file 3329 DatabaseHelper database = getDatabaseForUri(uri); 3330 if (database == null) { 3331 throw new IllegalStateException("Couldn't open database for " + uri); 3332 } 3333 SQLiteDatabase db = database.getReadableDatabase(); 3334 SQLiteQueryBuilder qb = new SQLiteQueryBuilder(); 3335 int songid = Integer.parseInt(uri.getPathSegments().get(3)); 3336 qb.setTables("audio_meta"); 3337 qb.appendWhere("_id=" + songid); 3338 Cursor c = qb.query(db, 3339 new String [] { 3340 MediaStore.Audio.Media.DATA, 3341 MediaStore.Audio.Media.ALBUM_ID }, 3342 null, null, null, null, null); 3343 if (c.moveToFirst()) { 3344 String audiopath = c.getString(0); 3345 int albumid = c.getInt(1); 3346 // Try to get existing album art for this album first, which 3347 // could possibly have been obtained from a different file. 3348 // If that fails, try to get it from this specific file. 3349 Uri newUri = ContentUris.withAppendedId(ALBUMART_URI, albumid); 3350 try { 3351 pfd = openFile(newUri, mode); // recursive call 3352 } catch (FileNotFoundException ex) { 3353 // That didn't work, now try to get it from the specific file 3354 pfd = getThumb(db, audiopath, albumid, null); 3355 } 3356 } 3357 c.close(); 3358 return pfd; 3359 } 3360 3361 try { 3362 pfd = openFileHelper(uri, mode); 3363 } catch (FileNotFoundException ex) { 3364 if (mode.contains("w")) { 3365 // if the file couldn't be created, we shouldn't extract album art 3366 throw ex; 3367 } 3368 3369 if (URI_MATCHER.match(uri) == AUDIO_ALBUMART_ID) { 3370 // Tried to open an album art file which does not exist. Regenerate. 3371 DatabaseHelper database = getDatabaseForUri(uri); 3372 if (database == null) { 3373 throw ex; 3374 } 3375 SQLiteDatabase db = database.getReadableDatabase(); 3376 SQLiteQueryBuilder qb = new SQLiteQueryBuilder(); 3377 int albumid = Integer.parseInt(uri.getPathSegments().get(3)); 3378 qb.setTables("audio_meta"); 3379 qb.appendWhere("album_id=" + albumid); 3380 Cursor c = qb.query(db, 3381 new String [] { 3382 MediaStore.Audio.Media.DATA }, 3383 null, null, null, null, MediaStore.Audio.Media.TRACK); 3384 if (c.moveToFirst()) { 3385 String audiopath = c.getString(0); 3386 pfd = getThumb(db, audiopath, albumid, uri); 3387 } 3388 c.close(); 3389 } 3390 if (pfd == null) { 3391 throw ex; 3392 } 3393 } 3394 return pfd; 3395 } 3396 3397 private class ThumbData { 3398 SQLiteDatabase db; 3399 String path; 3400 long album_id; 3401 Uri albumart_uri; 3402 } 3403 3404 private void makeThumbAsync(SQLiteDatabase db, String path, long album_id) { 3405 synchronized (mPendingThumbs) { 3406 if (mPendingThumbs.contains(path)) { 3407 // There's already a request to make an album art thumbnail 3408 // for this audio file in the queue. 3409 return; 3410 } 3411 3412 mPendingThumbs.add(path); 3413 } 3414 3415 ThumbData d = new ThumbData(); 3416 d.db = db; 3417 d.path = path; 3418 d.album_id = album_id; 3419 d.albumart_uri = ContentUris.withAppendedId(mAlbumArtBaseUri, album_id); 3420 3421 // Instead of processing thumbnail requests in the order they were 3422 // received we instead process them stack-based, i.e. LIFO. 3423 // The idea behind this is that the most recently requested thumbnails 3424 // are most likely the ones still in the user's view, whereas those 3425 // requested earlier may have already scrolled off. 3426 synchronized (mThumbRequestStack) { 3427 mThumbRequestStack.push(d); 3428 } 3429 3430 // Trigger the handler. 3431 Message msg = mThumbHandler.obtainMessage(ALBUM_THUMB); 3432 msg.sendToTarget(); 3433 } 3434 3435 // Extract compressed image data from the audio file itself or, if that fails, 3436 // look for a file "AlbumArt.jpg" in the containing directory. 3437 private static byte[] getCompressedAlbumArt(Context context, String path) { 3438 byte[] compressed = null; 3439 3440 try { 3441 path = mediaToExternalPath(path); 3442 File f = new File(path); 3443 ParcelFileDescriptor pfd = ParcelFileDescriptor.open(f, 3444 ParcelFileDescriptor.MODE_READ_ONLY); 3445 3446 MediaScanner scanner = new MediaScanner(context); 3447 compressed = scanner.extractAlbumArt(pfd.getFileDescriptor()); 3448 pfd.close(); 3449 3450 // If no embedded art exists, look for a suitable image file in the 3451 // same directory as the media file, except if that directory is 3452 // is the root directory of the sd card or the download directory. 3453 // We look for, in order of preference: 3454 // 0 AlbumArt.jpg 3455 // 1 AlbumArt*Large.jpg 3456 // 2 Any other jpg image with 'albumart' anywhere in the name 3457 // 3 Any other jpg image 3458 // 4 any other png image 3459 if (compressed == null && path != null) { 3460 int lastSlash = path.lastIndexOf('/'); 3461 if (lastSlash > 0) { 3462 3463 String artPath = path.substring(0, lastSlash); 3464 String sdroot = mMediaStoragePath; 3465 String dwndir = Environment.getExternalStoragePublicDirectory( 3466 Environment.DIRECTORY_DOWNLOADS).getAbsolutePath(); 3467 3468 String bestmatch = null; 3469 synchronized (sFolderArtMap) { 3470 if (sFolderArtMap.containsKey(artPath)) { 3471 bestmatch = sFolderArtMap.get(artPath); 3472 } else if (!artPath.equalsIgnoreCase(sdroot) && 3473 !artPath.equalsIgnoreCase(dwndir)) { 3474 File dir = new File(artPath); 3475 String [] entrynames = dir.list(); 3476 if (entrynames == null) { 3477 return null; 3478 } 3479 bestmatch = null; 3480 int matchlevel = 1000; 3481 for (int i = entrynames.length - 1; i >=0; i--) { 3482 String entry = entrynames[i].toLowerCase(); 3483 if (entry.equals("albumart.jpg")) { 3484 bestmatch = entrynames[i]; 3485 break; 3486 } else if (entry.startsWith("albumart") 3487 && entry.endsWith("large.jpg") 3488 && matchlevel > 1) { 3489 bestmatch = entrynames[i]; 3490 matchlevel = 1; 3491 } else if (entry.contains("albumart") 3492 && entry.endsWith(".jpg") 3493 && matchlevel > 2) { 3494 bestmatch = entrynames[i]; 3495 matchlevel = 2; 3496 } else if (entry.endsWith(".jpg") && matchlevel > 3) { 3497 bestmatch = entrynames[i]; 3498 matchlevel = 3; 3499 } else if (entry.endsWith(".png") && matchlevel > 4) { 3500 bestmatch = entrynames[i]; 3501 matchlevel = 4; 3502 } 3503 } 3504 // note that this may insert null if no album art was found 3505 sFolderArtMap.put(artPath, bestmatch); 3506 } 3507 } 3508 3509 if (bestmatch != null) { 3510 File file = new File(artPath, bestmatch); 3511 if (file.exists()) { 3512 compressed = new byte[(int)file.length()]; 3513 FileInputStream stream = null; 3514 try { 3515 stream = new FileInputStream(file); 3516 stream.read(compressed); 3517 } catch (IOException ex) { 3518 compressed = null; 3519 } finally { 3520 if (stream != null) { 3521 stream.close(); 3522 } 3523 } 3524 } 3525 } 3526 } 3527 } 3528 } catch (IOException e) { 3529 } 3530 3531 return compressed; 3532 } 3533 3534 // Return a URI to write the album art to and update the database as necessary. 3535 Uri getAlbumArtOutputUri(SQLiteDatabase db, long album_id, Uri albumart_uri) { 3536 Uri out = null; 3537 // TODO: this could be done more efficiently with a call to db.replace(), which 3538 // replaces or inserts as needed, making it unnecessary to query() first. 3539 if (albumart_uri != null) { 3540 Cursor c = query(albumart_uri, new String [] { "_data" }, 3541 null, null, null); 3542 try { 3543 if (c != null && c.moveToFirst()) { 3544 String albumart_path = c.getString(0); 3545 if (ensureFileExists(albumart_path)) { 3546 out = albumart_uri; 3547 } 3548 } else { 3549 albumart_uri = null; 3550 } 3551 } finally { 3552 if (c != null) { 3553 c.close(); 3554 } 3555 } 3556 } 3557 if (albumart_uri == null){ 3558 ContentValues initialValues = new ContentValues(); 3559 initialValues.put("album_id", album_id); 3560 try { 3561 ContentValues values = ensureFile(false, initialValues, "", ALBUM_THUMB_FOLDER); 3562 long rowId = db.insert("album_art", "_data", values); 3563 if (rowId > 0) { 3564 out = ContentUris.withAppendedId(ALBUMART_URI, rowId); 3565 } 3566 } catch (IllegalStateException ex) { 3567 Log.e(TAG, "error creating album thumb file"); 3568 } 3569 } 3570 return out; 3571 } 3572 3573 // Write out the album art to the output URI, recompresses the given Bitmap 3574 // if necessary, otherwise writes the compressed data. 3575 private void writeAlbumArt( 3576 boolean need_to_recompress, Uri out, byte[] compressed, Bitmap bm) { 3577 boolean success = false; 3578 try { 3579 OutputStream outstream = getContext().getContentResolver().openOutputStream(out); 3580 3581 if (!need_to_recompress) { 3582 // No need to recompress here, just write out the original 3583 // compressed data here. 3584 outstream.write(compressed); 3585 success = true; 3586 } else { 3587 success = bm.compress(Bitmap.CompressFormat.JPEG, 75, outstream); 3588 } 3589 3590 outstream.close(); 3591 } catch (FileNotFoundException ex) { 3592 Log.e(TAG, "error creating file", ex); 3593 } catch (IOException ex) { 3594 Log.e(TAG, "error creating file", ex); 3595 } 3596 if (!success) { 3597 // the thumbnail was not written successfully, delete the entry that refers to it 3598 getContext().getContentResolver().delete(out, null, null); 3599 } 3600 } 3601 3602 private ParcelFileDescriptor getThumb(SQLiteDatabase db, String path, long album_id, 3603 Uri albumart_uri) { 3604 ThumbData d = new ThumbData(); 3605 d.db = db; 3606 d.path = path; 3607 d.album_id = album_id; 3608 d.albumart_uri = albumart_uri; 3609 return makeThumbInternal(d); 3610 } 3611 3612 private ParcelFileDescriptor makeThumbInternal(ThumbData d) { 3613 byte[] compressed = getCompressedAlbumArt(getContext(), d.path); 3614 3615 if (compressed == null) { 3616 return null; 3617 } 3618 3619 Bitmap bm = null; 3620 boolean need_to_recompress = true; 3621 3622 try { 3623 // get the size of the bitmap 3624 BitmapFactory.Options opts = new BitmapFactory.Options(); 3625 opts.inJustDecodeBounds = true; 3626 opts.inSampleSize = 1; 3627 BitmapFactory.decodeByteArray(compressed, 0, compressed.length, opts); 3628 3629 // request a reasonably sized output image 3630 // TODO: don't hardcode the size 3631 while (opts.outHeight > 320 || opts.outWidth > 320) { 3632 opts.outHeight /= 2; 3633 opts.outWidth /= 2; 3634 opts.inSampleSize *= 2; 3635 } 3636 3637 if (opts.inSampleSize == 1) { 3638 // The original album art was of proper size, we won't have to 3639 // recompress the bitmap later. 3640 need_to_recompress = false; 3641 } else { 3642 // get the image for real now 3643 opts.inJustDecodeBounds = false; 3644 opts.inPreferredConfig = Bitmap.Config.RGB_565; 3645 bm = BitmapFactory.decodeByteArray(compressed, 0, compressed.length, opts); 3646 3647 if (bm != null && bm.getConfig() == null) { 3648 Bitmap nbm = bm.copy(Bitmap.Config.RGB_565, false); 3649 if (nbm != null && nbm != bm) { 3650 bm.recycle(); 3651 bm = nbm; 3652 } 3653 } 3654 } 3655 } catch (Exception e) { 3656 } 3657 3658 if (need_to_recompress && bm == null) { 3659 return null; 3660 } 3661 3662 if (d.albumart_uri == null) { 3663 // this one doesn't need to be saved (probably a song with an unknown album), 3664 // so stick it in a memory file and return that 3665 try { 3666 return ParcelFileDescriptor.fromData(compressed, "albumthumb"); 3667 } catch (IOException e) { 3668 } 3669 } else { 3670 // This one needs to actually be saved on the sd card. 3671 // This is wrapped in a transaction because there are various things 3672 // that could go wrong while generating the thumbnail, and we only want 3673 // to update the database when all steps succeeded. 3674 d.db.beginTransaction(); 3675 try { 3676 Uri out = getAlbumArtOutputUri(d.db, d.album_id, d.albumart_uri); 3677 3678 if (out != null) { 3679 writeAlbumArt(need_to_recompress, out, compressed, bm); 3680 getContext().getContentResolver().notifyChange(MEDIA_URI, null); 3681 ParcelFileDescriptor pfd = openFileHelper(out, "r"); 3682 d.db.setTransactionSuccessful(); 3683 return pfd; 3684 } 3685 } catch (FileNotFoundException ex) { 3686 // do nothing, just return null below 3687 } catch (UnsupportedOperationException ex) { 3688 // do nothing, just return null below 3689 } finally { 3690 d.db.endTransaction(); 3691 if (bm != null) { 3692 bm.recycle(); 3693 } 3694 } 3695 } 3696 return null; 3697 } 3698 3699 /** 3700 * Look up the artist or album entry for the given name, creating that entry 3701 * if it does not already exists. 3702 * @param db The database 3703 * @param table The table to store the key/name pair in. 3704 * @param keyField The name of the key-column 3705 * @param nameField The name of the name-column 3706 * @param rawName The name that the calling app was trying to insert into the database 3707 * @param cacheName The string that will be inserted in to the cache 3708 * @param path The full path to the file being inserted in to the audio table 3709 * @param albumHash A hash to distinguish between different albums of the same name 3710 * @param artist The name of the artist, if known 3711 * @param cache The cache to add this entry to 3712 * @param srcuri The Uri that prompted the call to this method, used for determining whether this is 3713 * the internal or external database 3714 * @return The row ID for this artist/album, or -1 if the provided name was invalid 3715 */ 3716 private long getKeyIdForName(SQLiteDatabase db, String table, String keyField, String nameField, 3717 String rawName, String cacheName, String path, int albumHash, 3718 String artist, HashMap<String, Long> cache, Uri srcuri) { 3719 long rowId; 3720 3721 if (rawName == null || rawName.length() == 0) { 3722 return -1; 3723 } 3724 String k = MediaStore.Audio.keyFor(rawName); 3725 3726 if (k == null) { 3727 return -1; 3728 } 3729 3730 boolean isAlbum = table.equals("albums"); 3731 boolean isUnknown = MediaStore.UNKNOWN_STRING.equals(rawName); 3732 3733 // To distinguish same-named albums, we append a hash of the path. 3734 // Ideally we would also take things like CDDB ID in to account, so 3735 // we can group files from the same album that aren't in the same 3736 // folder, but this is a quick and easy start that works immediately 3737 // without requiring support from the mp3, mp4 and Ogg meta data 3738 // readers, as long as the albums are in different folders. 3739 if (isAlbum) { 3740 k = k + albumHash; 3741 if (isUnknown) { 3742 k = k + artist; 3743 } 3744 } 3745 3746 String [] selargs = { k }; 3747 Cursor c = db.query(table, null, keyField + "=?", selargs, null, null, null); 3748 3749 try { 3750 switch (c.getCount()) { 3751 case 0: { 3752 // insert new entry into table 3753 ContentValues otherValues = new ContentValues(); 3754 otherValues.put(keyField, k); 3755 otherValues.put(nameField, rawName); 3756 rowId = db.insert(table, "duration", otherValues); 3757 if (path != null && isAlbum && ! isUnknown) { 3758 // We just inserted a new album. Now create an album art thumbnail for it. 3759 makeThumbAsync(db, path, rowId); 3760 } 3761 if (rowId > 0) { 3762 String volume = srcuri.toString().substring(16, 24); // extract internal/external 3763 Uri uri = Uri.parse("content://media/" + volume + "/audio/" + table + "/" + rowId); 3764 getContext().getContentResolver().notifyChange(uri, null); 3765 } 3766 } 3767 break; 3768 case 1: { 3769 // Use the existing entry 3770 c.moveToFirst(); 3771 rowId = c.getLong(0); 3772 3773 // Determine whether the current rawName is better than what's 3774 // currently stored in the table, and update the table if it is. 3775 String currentFancyName = c.getString(2); 3776 String bestName = makeBestName(rawName, currentFancyName); 3777 if (!bestName.equals(currentFancyName)) { 3778 // update the table with the new name 3779 ContentValues newValues = new ContentValues(); 3780 newValues.put(nameField, bestName); 3781 db.update(table, newValues, "rowid="+Integer.toString((int)rowId), null); 3782 String volume = srcuri.toString().substring(16, 24); // extract internal/external 3783 Uri uri = Uri.parse("content://media/" + volume + "/audio/" + table + "/" + rowId); 3784 getContext().getContentResolver().notifyChange(uri, null); 3785 } 3786 } 3787 break; 3788 default: 3789 // corrupt database 3790 Log.e(TAG, "Multiple entries in table " + table + " for key " + k); 3791 rowId = -1; 3792 break; 3793 } 3794 } finally { 3795 if (c != null) c.close(); 3796 } 3797 3798 if (cache != null && ! isUnknown) { 3799 cache.put(cacheName, rowId); 3800 } 3801 return rowId; 3802 } 3803 3804 /** 3805 * Returns the best string to use for display, given two names. 3806 * Note that this function does not necessarily return either one 3807 * of the provided names; it may decide to return a better alternative 3808 * (for example, specifying the inputs "Police" and "Police, The" will 3809 * return "The Police") 3810 * 3811 * The basic assumptions are: 3812 * - longer is better ("The police" is better than "Police") 3813 * - prefix is better ("The Police" is better than "Police, The") 3814 * - accents are better ("Motörhead" is better than "Motorhead") 3815 * 3816 * @param one The first of the two names to consider 3817 * @param two The last of the two names to consider 3818 * @return The actual name to use 3819 */ 3820 String makeBestName(String one, String two) { 3821 String name; 3822 3823 // Longer names are usually better. 3824 if (one.length() > two.length()) { 3825 name = one; 3826 } else { 3827 // Names with accents are usually better, and conveniently sort later 3828 if (one.toLowerCase().compareTo(two.toLowerCase()) > 0) { 3829 name = one; 3830 } else { 3831 name = two; 3832 } 3833 } 3834 3835 // Prefixes are better than postfixes. 3836 if (name.endsWith(", the") || name.endsWith(",the") || 3837 name.endsWith(", an") || name.endsWith(",an") || 3838 name.endsWith(", a") || name.endsWith(",a")) { 3839 String fix = name.substring(1 + name.lastIndexOf(',')); 3840 name = fix.trim() + " " + name.substring(0, name.lastIndexOf(',')); 3841 } 3842 3843 // TODO: word-capitalize the resulting name 3844 return name; 3845 } 3846 3847 3848 /** 3849 * Looks up the database based on the given URI. 3850 * 3851 * @param uri The requested URI 3852 * @returns the database for the given URI 3853 */ 3854 private DatabaseHelper getDatabaseForUri(Uri uri) { 3855 synchronized (mDatabases) { 3856 if (uri.getPathSegments().size() > 1) { 3857 return mDatabases.get(uri.getPathSegments().get(0)); 3858 } 3859 } 3860 return null; 3861 } 3862 3863 /** 3864 * Attach the database for a volume (internal or external). 3865 * Does nothing if the volume is already attached, otherwise 3866 * checks the volume ID and sets up the corresponding database. 3867 * 3868 * @param volume to attach, either {@link #INTERNAL_VOLUME} or {@link #EXTERNAL_VOLUME}. 3869 * @return the content URI of the attached volume. 3870 */ 3871 private Uri attachVolume(String volume) { 3872 if (Process.supportsProcesses() && Binder.getCallingPid() != Process.myPid()) { 3873 throw new SecurityException( 3874 "Opening and closing databases not allowed."); 3875 } 3876 3877 synchronized (mDatabases) { 3878 if (mDatabases.get(volume) != null) { // Already attached 3879 return Uri.parse("content://media/" + volume); 3880 } 3881 3882 DatabaseHelper db; 3883 if (INTERNAL_VOLUME.equals(volume)) { 3884 db = new DatabaseHelper(getContext(), INTERNAL_DATABASE_NAME, true); 3885 } else if (EXTERNAL_VOLUME.equals(volume)) { 3886 String path = mMediaStoragePath; 3887 int volumeID = FileUtils.getFatVolumeId(path); 3888 if (LOCAL_LOGV) Log.v(TAG, path + " volume ID: " + volumeID); 3889 3890 // generate database name based on volume ID 3891 String dbName = "external-" + Integer.toHexString(volumeID) + ".db"; 3892 db = new DatabaseHelper(getContext(), dbName, false); 3893 mVolumeId = volumeID; 3894 } else { 3895 throw new IllegalArgumentException("There is no volume named " + volume); 3896 } 3897 3898 mDatabases.put(volume, db); 3899 3900 if (!db.mInternal) { 3901 // clean up stray album art files: delete every file not in the database 3902 File[] files = new File(mMediaStoragePath, ALBUM_THUMB_FOLDER).listFiles(); 3903 HashSet<String> fileSet = new HashSet(); 3904 for (int i = 0; files != null && i < files.length; i++) { 3905 fileSet.add(files[i].getPath()); 3906 } 3907 3908 Cursor cursor = query(MediaStore.Audio.Albums.EXTERNAL_CONTENT_URI, 3909 new String[] { MediaStore.Audio.Albums.ALBUM_ART }, null, null, null); 3910 try { 3911 while (cursor != null && cursor.moveToNext()) { 3912 fileSet.remove(cursor.getString(0)); 3913 } 3914 } finally { 3915 if (cursor != null) cursor.close(); 3916 } 3917 3918 Iterator<String> iterator = fileSet.iterator(); 3919 while (iterator.hasNext()) { 3920 String filename = iterator.next(); 3921 if (LOCAL_LOGV) Log.v(TAG, "deleting obsolete album art " + filename); 3922 new File(filename).delete(); 3923 } 3924 } 3925 } 3926 3927 if (LOCAL_LOGV) Log.v(TAG, "Attached volume: " + volume); 3928 return Uri.parse("content://media/" + volume); 3929 } 3930 3931 /** 3932 * Detach the database for a volume (must be external). 3933 * Does nothing if the volume is already detached, otherwise 3934 * closes the database and sends a notification to listeners. 3935 * 3936 * @param uri The content URI of the volume, as returned by {@link #attachVolume} 3937 */ 3938 private void detachVolume(Uri uri) { 3939 if (Process.supportsProcesses() && Binder.getCallingPid() != Process.myPid()) { 3940 throw new SecurityException( 3941 "Opening and closing databases not allowed."); 3942 } 3943 3944 String volume = uri.getPathSegments().get(0); 3945 if (INTERNAL_VOLUME.equals(volume)) { 3946 throw new UnsupportedOperationException( 3947 "Deleting the internal volume is not allowed"); 3948 } else if (!EXTERNAL_VOLUME.equals(volume)) { 3949 throw new IllegalArgumentException( 3950 "There is no volume named " + volume); 3951 } 3952 3953 synchronized (mDatabases) { 3954 DatabaseHelper database = mDatabases.get(volume); 3955 if (database == null) return; 3956 3957 try { 3958 // touch the database file to show it is most recently used 3959 File file = new File(database.getReadableDatabase().getPath()); 3960 file.setLastModified(System.currentTimeMillis()); 3961 } catch (SQLException e) { 3962 Log.e(TAG, "Can't touch database file", e); 3963 } 3964 3965 mDatabases.remove(volume); 3966 database.close(); 3967 } 3968 3969 getContext().getContentResolver().notifyChange(uri, null); 3970 if (LOCAL_LOGV) Log.v(TAG, "Detached volume: " + volume); 3971 } 3972 3973 private static String TAG = "MediaProvider"; 3974 private static final boolean LOCAL_LOGV = false; 3975 private static final int DATABASE_VERSION = 100; 3976 private static final String INTERNAL_DATABASE_NAME = "internal.db"; 3977 3978 // maximum number of cached external databases to keep 3979 private static final int MAX_EXTERNAL_DATABASES = 3; 3980 3981 // Delete databases that have not been used in two months 3982 // 60 days in milliseconds (1000 * 60 * 60 * 24 * 60) 3983 private static final long OBSOLETE_DATABASE_DB = 5184000000L; 3984 3985 private HashMap<String, DatabaseHelper> mDatabases; 3986 3987 private Handler mThumbHandler; 3988 3989 // name of the volume currently being scanned by the media scanner (or null) 3990 private String mMediaScannerVolume; 3991 3992 // current FAT volume ID 3993 private int mVolumeId; 3994 3995 static final String INTERNAL_VOLUME = "internal"; 3996 static final String EXTERNAL_VOLUME = "external"; 3997 static final String ALBUM_THUMB_FOLDER = "Android/data/com.android.providers.media/albumthumbs"; 3998 3999 // path for writing contents of in memory temp database 4000 private String mTempDatabasePath; 4001 4002 // WARNING: the values of IMAGES_MEDIA, AUDIO_MEDIA, and VIDEO_MEDIA and AUDIO_PLAYLISTS 4003 // are stored in the "files" table, so do not renumber them unless you also add 4004 // a corresponding database upgrade step for it. 4005 private static final int IMAGES_MEDIA = 1; 4006 private static final int IMAGES_MEDIA_ID = 2; 4007 private static final int IMAGES_THUMBNAILS = 3; 4008 private static final int IMAGES_THUMBNAILS_ID = 4; 4009 4010 private static final int AUDIO_MEDIA = 100; 4011 private static final int AUDIO_MEDIA_ID = 101; 4012 private static final int AUDIO_MEDIA_ID_GENRES = 102; 4013 private static final int AUDIO_MEDIA_ID_GENRES_ID = 103; 4014 private static final int AUDIO_MEDIA_ID_PLAYLISTS = 104; 4015 private static final int AUDIO_MEDIA_ID_PLAYLISTS_ID = 105; 4016 private static final int AUDIO_GENRES = 106; 4017 private static final int AUDIO_GENRES_ID = 107; 4018 private static final int AUDIO_GENRES_ID_MEMBERS = 108; 4019 private static final int AUDIO_GENRES_ID_MEMBERS_ID = 109; 4020 private static final int AUDIO_PLAYLISTS = 110; 4021 private static final int AUDIO_PLAYLISTS_ID = 111; 4022 private static final int AUDIO_PLAYLISTS_ID_MEMBERS = 112; 4023 private static final int AUDIO_PLAYLISTS_ID_MEMBERS_ID = 113; 4024 private static final int AUDIO_ARTISTS = 114; 4025 private static final int AUDIO_ARTISTS_ID = 115; 4026 private static final int AUDIO_ALBUMS = 116; 4027 private static final int AUDIO_ALBUMS_ID = 117; 4028 private static final int AUDIO_ARTISTS_ID_ALBUMS = 118; 4029 private static final int AUDIO_ALBUMART = 119; 4030 private static final int AUDIO_ALBUMART_ID = 120; 4031 private static final int AUDIO_ALBUMART_FILE_ID = 121; 4032 4033 private static final int VIDEO_MEDIA = 200; 4034 private static final int VIDEO_MEDIA_ID = 201; 4035 private static final int VIDEO_THUMBNAILS = 202; 4036 private static final int VIDEO_THUMBNAILS_ID = 203; 4037 4038 private static final int VOLUMES = 300; 4039 private static final int VOLUMES_ID = 301; 4040 4041 private static final int AUDIO_SEARCH_LEGACY = 400; 4042 private static final int AUDIO_SEARCH_BASIC = 401; 4043 private static final int AUDIO_SEARCH_FANCY = 402; 4044 4045 private static final int MEDIA_SCANNER = 500; 4046 4047 private static final int FS_ID = 600; 4048 4049 private static final int FILES = 700; 4050 private static final int FILES_ID = 701; 4051 4052 // Used only by the MTP implementation 4053 private static final int MTP_OBJECTS = 702; 4054 private static final int MTP_OBJECTS_ID = 703; 4055 private static final int MTP_OBJECT_REFERENCES = 704; 4056 4057 private static final UriMatcher URI_MATCHER = 4058 new UriMatcher(UriMatcher.NO_MATCH); 4059 4060 private static final String[] ID_PROJECTION = new String[] { 4061 MediaStore.MediaColumns._ID 4062 }; 4063 4064 private static final String[] PATH_PROJECTION = new String[] { 4065 MediaStore.MediaColumns._ID, 4066 MediaStore.MediaColumns.DATA, 4067 }; 4068 4069 private static final String[] MIME_TYPE_PROJECTION = new String[] { 4070 MediaStore.MediaColumns._ID, // 0 4071 MediaStore.MediaColumns.MIME_TYPE, // 1 4072 }; 4073 4074 private static final String[] READY_FLAG_PROJECTION = new String[] { 4075 MediaStore.MediaColumns._ID, 4076 MediaStore.MediaColumns.DATA, 4077 Images.Media.MINI_THUMB_MAGIC 4078 }; 4079 4080 private static final String OBJECT_REFERENCES_QUERY = 4081 "SELECT " + Audio.Playlists.Members.AUDIO_ID + " FROM audio_playlists_map" 4082 + " WHERE " + Audio.Playlists.Members.PLAYLIST_ID + "=?" 4083 + " ORDER BY " + Audio.Playlists.Members.PLAY_ORDER; 4084 4085 static 4086 { 4087 URI_MATCHER.addURI("media", "*/images/media", IMAGES_MEDIA); 4088 URI_MATCHER.addURI("media", "*/images/media/#", IMAGES_MEDIA_ID); 4089 URI_MATCHER.addURI("media", "*/images/thumbnails", IMAGES_THUMBNAILS); 4090 URI_MATCHER.addURI("media", "*/images/thumbnails/#", IMAGES_THUMBNAILS_ID); 4091 4092 URI_MATCHER.addURI("media", "*/audio/media", AUDIO_MEDIA); 4093 URI_MATCHER.addURI("media", "*/audio/media/#", AUDIO_MEDIA_ID); 4094 URI_MATCHER.addURI("media", "*/audio/media/#/genres", AUDIO_MEDIA_ID_GENRES); 4095 URI_MATCHER.addURI("media", "*/audio/media/#/genres/#", AUDIO_MEDIA_ID_GENRES_ID); 4096 URI_MATCHER.addURI("media", "*/audio/media/#/playlists", AUDIO_MEDIA_ID_PLAYLISTS); 4097 URI_MATCHER.addURI("media", "*/audio/media/#/playlists/#", AUDIO_MEDIA_ID_PLAYLISTS_ID); 4098 URI_MATCHER.addURI("media", "*/audio/genres", AUDIO_GENRES); 4099 URI_MATCHER.addURI("media", "*/audio/genres/#", AUDIO_GENRES_ID); 4100 URI_MATCHER.addURI("media", "*/audio/genres/#/members", AUDIO_GENRES_ID_MEMBERS); 4101 URI_MATCHER.addURI("media", "*/audio/genres/#/members/#", AUDIO_GENRES_ID_MEMBERS_ID); 4102 URI_MATCHER.addURI("media", "*/audio/playlists", AUDIO_PLAYLISTS); 4103 URI_MATCHER.addURI("media", "*/audio/playlists/#", AUDIO_PLAYLISTS_ID); 4104 URI_MATCHER.addURI("media", "*/audio/playlists/#/members", AUDIO_PLAYLISTS_ID_MEMBERS); 4105 URI_MATCHER.addURI("media", "*/audio/playlists/#/members/#", AUDIO_PLAYLISTS_ID_MEMBERS_ID); 4106 URI_MATCHER.addURI("media", "*/audio/artists", AUDIO_ARTISTS); 4107 URI_MATCHER.addURI("media", "*/audio/artists/#", AUDIO_ARTISTS_ID); 4108 URI_MATCHER.addURI("media", "*/audio/artists/#/albums", AUDIO_ARTISTS_ID_ALBUMS); 4109 URI_MATCHER.addURI("media", "*/audio/albums", AUDIO_ALBUMS); 4110 URI_MATCHER.addURI("media", "*/audio/albums/#", AUDIO_ALBUMS_ID); 4111 URI_MATCHER.addURI("media", "*/audio/albumart", AUDIO_ALBUMART); 4112 URI_MATCHER.addURI("media", "*/audio/albumart/#", AUDIO_ALBUMART_ID); 4113 URI_MATCHER.addURI("media", "*/audio/media/#/albumart", AUDIO_ALBUMART_FILE_ID); 4114 4115 URI_MATCHER.addURI("media", "*/video/media", VIDEO_MEDIA); 4116 URI_MATCHER.addURI("media", "*/video/media/#", VIDEO_MEDIA_ID); 4117 URI_MATCHER.addURI("media", "*/video/thumbnails", VIDEO_THUMBNAILS); 4118 URI_MATCHER.addURI("media", "*/video/thumbnails/#", VIDEO_THUMBNAILS_ID); 4119 4120 URI_MATCHER.addURI("media", "*/media_scanner", MEDIA_SCANNER); 4121 4122 URI_MATCHER.addURI("media", "*/fs_id", FS_ID); 4123 4124 URI_MATCHER.addURI("media", "*", VOLUMES_ID); 4125 URI_MATCHER.addURI("media", null, VOLUMES); 4126 4127 // Used by MTP implementation 4128 URI_MATCHER.addURI("media", "*/file", FILES); 4129 URI_MATCHER.addURI("media", "*/file/#", FILES_ID); 4130 URI_MATCHER.addURI("media", "*/object", MTP_OBJECTS); 4131 URI_MATCHER.addURI("media", "*/object/#", MTP_OBJECTS_ID); 4132 URI_MATCHER.addURI("media", "*/object/#/references", MTP_OBJECT_REFERENCES); 4133 4134 /** 4135 * @deprecated use the 'basic' or 'fancy' search Uris instead 4136 */ 4137 URI_MATCHER.addURI("media", "*/audio/" + SearchManager.SUGGEST_URI_PATH_QUERY, 4138 AUDIO_SEARCH_LEGACY); 4139 URI_MATCHER.addURI("media", "*/audio/" + SearchManager.SUGGEST_URI_PATH_QUERY + "/*", 4140 AUDIO_SEARCH_LEGACY); 4141 4142 // used for search suggestions 4143 URI_MATCHER.addURI("media", "*/audio/search/" + SearchManager.SUGGEST_URI_PATH_QUERY, 4144 AUDIO_SEARCH_BASIC); 4145 URI_MATCHER.addURI("media", "*/audio/search/" + SearchManager.SUGGEST_URI_PATH_QUERY + 4146 "/*", AUDIO_SEARCH_BASIC); 4147 4148 // used by the music app's search activity 4149 URI_MATCHER.addURI("media", "*/audio/search/fancy", AUDIO_SEARCH_FANCY); 4150 URI_MATCHER.addURI("media", "*/audio/search/fancy/*", AUDIO_SEARCH_FANCY); 4151 } 4152} 4153