ArtistAlbumBrowserActivity.java revision d57d69855619bd57ef2205e1c5089fa8e11b6cb1
1/* 2 * Copyright (C) 2007 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.music; 18 19import com.android.music.QueryBrowserActivity.QueryListAdapter.QueryHandler; 20 21import android.app.ExpandableListActivity; 22import android.app.SearchManager; 23import android.content.AsyncQueryHandler; 24import android.content.BroadcastReceiver; 25import android.content.ContentResolver; 26import android.content.Context; 27import android.content.Intent; 28import android.content.IntentFilter; 29import android.content.res.Resources; 30import android.database.Cursor; 31import android.database.CursorWrapper; 32import android.graphics.drawable.BitmapDrawable; 33import android.graphics.drawable.Drawable; 34import android.media.AudioManager; 35import android.media.MediaFile; 36import android.net.Uri; 37import android.os.Bundle; 38import android.os.Handler; 39import android.os.Message; 40import android.provider.MediaStore; 41import android.util.Log; 42import android.view.ContextMenu; 43import android.view.Menu; 44import android.view.MenuItem; 45import android.view.SubMenu; 46import android.view.View; 47import android.view.ViewGroup; 48import android.view.Window; 49import android.view.ContextMenu.ContextMenuInfo; 50import android.widget.CursorAdapter; 51import android.widget.CursorTreeAdapter; 52import android.widget.ExpandableListAdapter; 53import android.widget.ExpandableListView; 54import android.widget.ImageView; 55import android.widget.SectionIndexer; 56import android.widget.SimpleCursorTreeAdapter; 57import android.widget.TextView; 58import android.widget.ExpandableListView.ExpandableListContextMenuInfo; 59 60import java.text.Collator; 61 62 63public class ArtistAlbumBrowserActivity extends ExpandableListActivity 64 implements View.OnCreateContextMenuListener, MusicUtils.Defs 65{ 66 private String mCurrentArtistId; 67 private String mCurrentArtistName; 68 private String mCurrentAlbumId; 69 private String mCurrentAlbumName; 70 private String mCurrentArtistNameForAlbum; 71 private ArtistAlbumListAdapter mAdapter; 72 private boolean mAdapterSent; 73 private final static int SEARCH = CHILD_MENU_BASE; 74 75 public ArtistAlbumBrowserActivity() 76 { 77 } 78 79 /** Called when the activity is first created. */ 80 @Override 81 public void onCreate(Bundle icicle) { 82 super.onCreate(icicle); 83 requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); 84 setVolumeControlStream(AudioManager.STREAM_MUSIC); 85 if (icicle != null) { 86 mCurrentAlbumId = icicle.getString("selectedalbum"); 87 mCurrentAlbumName = icicle.getString("selectedalbumname"); 88 mCurrentArtistId = icicle.getString("selectedartist"); 89 mCurrentArtistName = icicle.getString("selectedartistname"); 90 } 91 MusicUtils.bindToService(this); 92 93 IntentFilter f = new IntentFilter(); 94 f.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED); 95 f.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED); 96 f.addAction(Intent.ACTION_MEDIA_UNMOUNTED); 97 f.addDataScheme("file"); 98 registerReceiver(mScanListener, f); 99 100 setContentView(R.layout.media_picker_activity_expanding); 101 ExpandableListView lv = getExpandableListView(); 102 lv.setFastScrollEnabled(true); 103 lv.setOnCreateContextMenuListener(this); 104 lv.setTextFilterEnabled(true); 105 106 mAdapter = (ArtistAlbumListAdapter) getLastNonConfigurationInstance(); 107 if (mAdapter == null) { 108 //Log.i("@@@", "starting query"); 109 mAdapter = new ArtistAlbumListAdapter( 110 getApplication(), 111 this, 112 null, // cursor 113 R.layout.track_list_item_group, 114 new String[] {}, 115 new int[] {}, 116 R.layout.track_list_item_child, 117 new String[] {}, 118 new int[] {}); 119 setListAdapter(mAdapter); 120 setTitle(R.string.working_artists); 121 getArtistCursor(mAdapter.getQueryHandler(), null); 122 } else { 123 mAdapter.setActivity(this); 124 setListAdapter(mAdapter); 125 mArtistCursor = mAdapter.getCursor(); 126 if (mArtistCursor != null) { 127 init(mArtistCursor); 128 setTitle(); 129 } else { 130 getArtistCursor(mAdapter.getQueryHandler(), null); 131 } 132 } 133 } 134 135 @Override 136 public Object onRetainNonConfigurationInstance() { 137 mAdapterSent = true; 138 return mAdapter; 139 } 140 141 @Override 142 public void onSaveInstanceState(Bundle outcicle) { 143 // need to store the selected item so we don't lose it in case 144 // of an orientation switch. Otherwise we could lose it while 145 // in the middle of specifying a playlist to add the item to. 146 outcicle.putString("selectedalbum", mCurrentAlbumId); 147 outcicle.putString("selectedalbumname", mCurrentAlbumName); 148 outcicle.putString("selectedartist", mCurrentArtistId); 149 outcicle.putString("selectedartistname", mCurrentArtistName); 150 super.onSaveInstanceState(outcicle); 151 } 152 153 @Override 154 public void onDestroy() { 155 MusicUtils.unbindFromService(this); 156 if (!mAdapterSent) { 157 Cursor c = mAdapter.getCursor(); 158 if (c != null) { 159 c.close(); 160 } 161 } 162 unregisterReceiver(mScanListener); 163 super.onDestroy(); 164 } 165 166 @Override 167 public void onResume() { 168 super.onResume(); 169 IntentFilter f = new IntentFilter(); 170 f.addAction(MediaPlaybackService.META_CHANGED); 171 f.addAction(MediaPlaybackService.QUEUE_CHANGED); 172 registerReceiver(mTrackListListener, f); 173 mTrackListListener.onReceive(null, null); 174 175 MusicUtils.setSpinnerState(this); 176 } 177 178 private BroadcastReceiver mTrackListListener = new BroadcastReceiver() { 179 @Override 180 public void onReceive(Context context, Intent intent) { 181 getExpandableListView().invalidateViews(); 182 } 183 }; 184 private BroadcastReceiver mScanListener = new BroadcastReceiver() { 185 @Override 186 public void onReceive(Context context, Intent intent) { 187 MusicUtils.setSpinnerState(ArtistAlbumBrowserActivity.this); 188 mReScanHandler.sendEmptyMessage(0); 189 if (intent.getAction().equals(Intent.ACTION_MEDIA_UNMOUNTED)) { 190 MusicUtils.clearAlbumArtCache(); 191 } 192 } 193 }; 194 195 private Handler mReScanHandler = new Handler() { 196 @Override 197 public void handleMessage(Message msg) { 198 setTitle(); 199 getArtistCursor(mAdapter.getQueryHandler(), null); 200 } 201 }; 202 203 @Override 204 public void onPause() { 205 unregisterReceiver(mTrackListListener); 206 mReScanHandler.removeCallbacksAndMessages(null); 207 super.onPause(); 208 } 209 210 public void init(Cursor c) { 211 212 mAdapter.changeCursor(c); // also sets mArtistCursor 213 214 if (mArtistCursor == null) { 215 MusicUtils.displayDatabaseError(this); 216 closeContextMenu(); 217 mReScanHandler.sendEmptyMessageDelayed(0, 1000); 218 return; 219 } 220 221 MusicUtils.hideDatabaseError(this); 222 } 223 224 private void setTitle() { 225 setTitle(R.string.artists_title); 226 } 227 228 @Override 229 public boolean onChildClick(ExpandableListView parent, View v, int groupPosition, int childPosition, long id) { 230 231 mCurrentAlbumId = Long.valueOf(id).toString(); 232 233 Intent intent = new Intent(Intent.ACTION_PICK); 234 intent.setDataAndType(Uri.EMPTY, "vnd.android.cursor.dir/track"); 235 intent.putExtra("album", mCurrentAlbumId); 236 Cursor c = (Cursor) getExpandableListAdapter().getChild(groupPosition, childPosition); 237 String album = c.getString(c.getColumnIndex(MediaStore.Audio.Albums.ALBUM)); 238 if (album.equals(MediaFile.UNKNOWN_STRING)) { 239 // unknown album, so we should include the artist ID to limit the songs to songs only by that artist 240 mArtistCursor.moveToPosition(groupPosition); 241 mCurrentArtistId = mArtistCursor.getString(mArtistCursor.getColumnIndex(MediaStore.Audio.Artists._ID)); 242 intent.putExtra("artist", mCurrentArtistId); 243 } 244 startActivity(intent); 245 return true; 246 } 247 248 @Override 249 public boolean onCreateOptionsMenu(Menu menu) { 250 super.onCreateOptionsMenu(menu); 251 menu.add(0, GOTO_START, 0, R.string.goto_start).setIcon(R.drawable.ic_menu_music_library); 252 menu.add(0, GOTO_PLAYBACK, 0, R.string.goto_playback).setIcon(R.drawable.ic_menu_playback); 253 menu.add(0, SHUFFLE_ALL, 0, R.string.shuffle_all).setIcon(R.drawable.ic_menu_shuffle); 254 return true; 255 } 256 257 @Override 258 public boolean onPrepareOptionsMenu(Menu menu) { 259 menu.findItem(GOTO_PLAYBACK).setVisible(MusicUtils.isMusicLoaded()); 260 return super.onPrepareOptionsMenu(menu); 261 } 262 263 @Override 264 public boolean onOptionsItemSelected(MenuItem item) { 265 Intent intent; 266 Cursor cursor; 267 switch (item.getItemId()) { 268 case GOTO_START: 269 intent = new Intent(); 270 intent.setClass(this, MusicBrowserActivity.class); 271 intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); 272 startActivity(intent); 273 return true; 274 275 case GOTO_PLAYBACK: 276 intent = new Intent("com.android.music.PLAYBACK_VIEWER"); 277 startActivity(intent); 278 return true; 279 280 case SHUFFLE_ALL: 281 cursor = MusicUtils.query(this, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, 282 new String [] { MediaStore.Audio.Media._ID}, 283 MediaStore.Audio.Media.IS_MUSIC + "=1", null, 284 MediaStore.Audio.Media.DEFAULT_SORT_ORDER); 285 if (cursor != null) { 286 MusicUtils.shuffleAll(this, cursor); 287 cursor.close(); 288 } 289 return true; 290 } 291 return super.onOptionsItemSelected(item); 292 } 293 294 @Override 295 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo menuInfoIn) { 296 menu.add(0, PLAY_SELECTION, 0, R.string.play_selection); 297 SubMenu sub = menu.addSubMenu(0, ADD_TO_PLAYLIST, 0, R.string.add_to_playlist); 298 MusicUtils.makePlaylistMenu(this, sub); 299 menu.add(0, DELETE_ITEM, 0, R.string.delete_item); 300 menu.add(0, SEARCH, 0, R.string.search_title); 301 302 ExpandableListContextMenuInfo mi = (ExpandableListContextMenuInfo) menuInfoIn; 303 304 int itemtype = ExpandableListView.getPackedPositionType(mi.packedPosition); 305 int gpos = ExpandableListView.getPackedPositionGroup(mi.packedPosition); 306 int cpos = ExpandableListView.getPackedPositionChild(mi.packedPosition); 307 if (itemtype == ExpandableListView.PACKED_POSITION_TYPE_GROUP) { 308 if (gpos == -1) { 309 // this shouldn't happen 310 Log.d("Artist/Album", "no group"); 311 return; 312 } 313 gpos = gpos - getExpandableListView().getHeaderViewsCount(); 314 mArtistCursor.moveToPosition(gpos); 315 mCurrentArtistId = mArtistCursor.getString(mArtistCursor.getColumnIndexOrThrow(MediaStore.Audio.Artists._ID)); 316 mCurrentArtistName = mArtistCursor.getString(mArtistCursor.getColumnIndexOrThrow(MediaStore.Audio.Artists.ARTIST)); 317 mCurrentAlbumId = null; 318 menu.setHeaderTitle(mCurrentArtistName); 319 return; 320 } else if (itemtype == ExpandableListView.PACKED_POSITION_TYPE_CHILD) { 321 if (cpos == -1) { 322 // this shouldn't happen 323 Log.d("Artist/Album", "no child"); 324 return; 325 } 326 Cursor c = (Cursor) getExpandableListAdapter().getChild(gpos, cpos); 327 c.moveToPosition(cpos); 328 mCurrentArtistId = null; 329 mCurrentAlbumId = Long.valueOf(mi.id).toString(); 330 mCurrentAlbumName = c.getString(c.getColumnIndexOrThrow(MediaStore.Audio.Albums.ALBUM)); 331 gpos = gpos - getExpandableListView().getHeaderViewsCount(); 332 mArtistCursor.moveToPosition(gpos); 333 mCurrentArtistNameForAlbum = mArtistCursor.getString( 334 mArtistCursor.getColumnIndexOrThrow(MediaStore.Audio.Artists.ARTIST)); 335 menu.setHeaderTitle(mCurrentAlbumName); 336 } 337 } 338 339 @Override 340 public boolean onContextItemSelected(MenuItem item) { 341 switch (item.getItemId()) { 342 case PLAY_SELECTION: { 343 // play everything by the selected artist 344 int [] list = 345 mCurrentArtistId != null ? 346 MusicUtils.getSongListForArtist(this, Integer.parseInt(mCurrentArtistId)) 347 : MusicUtils.getSongListForAlbum(this, Integer.parseInt(mCurrentAlbumId)); 348 349 MusicUtils.playAll(this, list, 0); 350 return true; 351 } 352 353 case QUEUE: { 354 int [] list = 355 mCurrentArtistId != null ? 356 MusicUtils.getSongListForArtist(this, Integer.parseInt(mCurrentArtistId)) 357 : MusicUtils.getSongListForAlbum(this, Integer.parseInt(mCurrentAlbumId)); 358 MusicUtils.addToCurrentPlaylist(this, list); 359 return true; 360 } 361 362 case NEW_PLAYLIST: { 363 Intent intent = new Intent(); 364 intent.setClass(this, CreatePlaylist.class); 365 startActivityForResult(intent, NEW_PLAYLIST); 366 return true; 367 } 368 369 case PLAYLIST_SELECTED: { 370 int [] list = 371 mCurrentArtistId != null ? 372 MusicUtils.getSongListForArtist(this, Integer.parseInt(mCurrentArtistId)) 373 : MusicUtils.getSongListForAlbum(this, Integer.parseInt(mCurrentAlbumId)); 374 int playlist = item.getIntent().getIntExtra("playlist", 0); 375 MusicUtils.addToPlaylist(this, list, playlist); 376 return true; 377 } 378 379 case DELETE_ITEM: { 380 int [] list; 381 String desc; 382 if (mCurrentArtistId != null) { 383 list = MusicUtils.getSongListForArtist(this, Integer.parseInt(mCurrentArtistId)); 384 String f = getString(R.string.delete_artist_desc); 385 desc = String.format(f, mCurrentArtistName); 386 } else { 387 list = MusicUtils.getSongListForAlbum(this, Integer.parseInt(mCurrentAlbumId)); 388 String f = getString(R.string.delete_album_desc); 389 desc = String.format(f, mCurrentAlbumName); 390 } 391 Bundle b = new Bundle(); 392 b.putString("description", desc); 393 b.putIntArray("items", list); 394 Intent intent = new Intent(); 395 intent.setClass(this, DeleteItems.class); 396 intent.putExtras(b); 397 startActivityForResult(intent, -1); 398 return true; 399 } 400 401 case SEARCH: 402 doSearch(); 403 return true; 404 } 405 return super.onContextItemSelected(item); 406 } 407 408 void doSearch() { 409 CharSequence title = null; 410 String query = null; 411 412 Intent i = new Intent(); 413 i.setAction(MediaStore.INTENT_ACTION_MEDIA_SEARCH); 414 415 if (mCurrentArtistId != null) { 416 title = mCurrentArtistName; 417 query = mCurrentArtistName; 418 i.putExtra(MediaStore.EXTRA_MEDIA_ARTIST, mCurrentArtistName); 419 i.putExtra(MediaStore.EXTRA_MEDIA_FOCUS, MediaStore.Audio.Artists.ENTRY_CONTENT_TYPE); 420 } else { 421 title = mCurrentAlbumName; 422 query = mCurrentArtistNameForAlbum + " " + mCurrentAlbumName; 423 i.putExtra(MediaStore.EXTRA_MEDIA_ARTIST, mCurrentArtistNameForAlbum); 424 i.putExtra(MediaStore.EXTRA_MEDIA_ALBUM, mCurrentAlbumName); 425 i.putExtra(MediaStore.EXTRA_MEDIA_FOCUS, MediaStore.Audio.Albums.ENTRY_CONTENT_TYPE); 426 } 427 title = getString(R.string.mediasearch, title); 428 i.putExtra(SearchManager.QUERY, query); 429 430 startActivity(Intent.createChooser(i, title)); 431 } 432 433 @Override 434 protected void onActivityResult(int requestCode, int resultCode, Intent intent) { 435 switch (requestCode) { 436 case SCAN_DONE: 437 if (resultCode == RESULT_CANCELED) { 438 finish(); 439 } else { 440 getArtistCursor(mAdapter.getQueryHandler(), null); 441 } 442 break; 443 444 case NEW_PLAYLIST: 445 if (resultCode == RESULT_OK) { 446 Uri uri = intent.getData(); 447 if (uri != null) { 448 int [] list = null; 449 if (mCurrentArtistId != null) { 450 list = MusicUtils.getSongListForArtist(this, Integer.parseInt(mCurrentArtistId)); 451 } else if (mCurrentAlbumId != null) { 452 list = MusicUtils.getSongListForAlbum(this, Integer.parseInt(mCurrentAlbumId)); 453 } 454 MusicUtils.addToPlaylist(this, list, Integer.parseInt(uri.getLastPathSegment())); 455 } 456 } 457 break; 458 } 459 } 460 461 private Cursor getArtistCursor(AsyncQueryHandler async, String filter) { 462 463 StringBuilder where = new StringBuilder(); 464 where.append(MediaStore.Audio.Artists.ARTIST + " != ''"); 465 466 // Add in the filtering constraints 467 String [] keywords = null; 468 if (filter != null) { 469 String [] searchWords = filter.split(" "); 470 keywords = new String[searchWords.length]; 471 Collator col = Collator.getInstance(); 472 col.setStrength(Collator.PRIMARY); 473 for (int i = 0; i < searchWords.length; i++) { 474 keywords[i] = '%' + MediaStore.Audio.keyFor(searchWords[i]) + '%'; 475 } 476 for (int i = 0; i < searchWords.length; i++) { 477 where.append(" AND "); 478 where.append(MediaStore.Audio.Media.ARTIST_KEY + " LIKE ?"); 479 } 480 } 481 482 String whereclause = where.toString(); 483 String[] cols = new String[] { 484 MediaStore.Audio.Artists._ID, 485 MediaStore.Audio.Artists.ARTIST, 486 MediaStore.Audio.Artists.NUMBER_OF_ALBUMS, 487 MediaStore.Audio.Artists.NUMBER_OF_TRACKS 488 }; 489 Cursor ret = null; 490 if (async != null) { 491 async.startQuery(0, null, MediaStore.Audio.Artists.EXTERNAL_CONTENT_URI, 492 cols, whereclause , keywords, MediaStore.Audio.Artists.ARTIST_KEY); 493 } else { 494 ret = MusicUtils.query(this, MediaStore.Audio.Artists.EXTERNAL_CONTENT_URI, 495 cols, whereclause , keywords, MediaStore.Audio.Artists.ARTIST_KEY); 496 } 497 return ret; 498 } 499 500 static class ArtistAlbumListAdapter extends SimpleCursorTreeAdapter implements SectionIndexer { 501 502 private final Drawable mNowPlayingOverlay; 503 private final BitmapDrawable mDefaultAlbumIcon; 504 private int mGroupArtistIdIdx; 505 private int mGroupArtistIdx; 506 private int mGroupAlbumIdx; 507 private int mGroupSongIdx; 508 private final Context mContext; 509 private final Resources mResources; 510 private final String mAlbumSongSeparator; 511 private final String mUnknownAlbum; 512 private final String mUnknownArtist; 513 private final StringBuilder mBuffer = new StringBuilder(); 514 private final Object[] mFormatArgs = new Object[1]; 515 private final Object[] mFormatArgs3 = new Object[3]; 516 private MusicAlphabetIndexer mIndexer; 517 private ArtistAlbumBrowserActivity mActivity; 518 private AsyncQueryHandler mQueryHandler; 519 520 class ViewHolder { 521 TextView line1; 522 TextView line2; 523 ImageView play_indicator; 524 ImageView icon; 525 } 526 527 class QueryHandler extends AsyncQueryHandler { 528 QueryHandler(ContentResolver res) { 529 super(res); 530 } 531 532 @Override 533 protected void onQueryComplete(int token, Object cookie, Cursor cursor) { 534 //Log.i("@@@", "query complete"); 535 mActivity.init(cursor); 536 mActivity.setTitle(); 537 } 538 } 539 540 ArtistAlbumListAdapter(Context context, ArtistAlbumBrowserActivity currentactivity, 541 Cursor cursor, int glayout, String[] gfrom, int[] gto, 542 int clayout, String[] cfrom, int[] cto) { 543 super(context, cursor, glayout, gfrom, gto, clayout, cfrom, cto); 544 mActivity = currentactivity; 545 mQueryHandler = new QueryHandler(context.getContentResolver()); 546 547 Resources r = context.getResources(); 548 mNowPlayingOverlay = r.getDrawable(R.drawable.indicator_ic_mp_playing_list); 549 mDefaultAlbumIcon = (BitmapDrawable) r.getDrawable(R.drawable.albumart_mp_unknown_list); 550 // no filter or dither, it's a lot faster and we can't tell the difference 551 mDefaultAlbumIcon.setFilterBitmap(false); 552 mDefaultAlbumIcon.setDither(false); 553 554 mContext = context; 555 getColumnIndices(cursor); 556 mResources = context.getResources(); 557 mAlbumSongSeparator = context.getString(R.string.albumsongseparator); 558 mUnknownAlbum = context.getString(R.string.unknown_album_name); 559 mUnknownArtist = context.getString(R.string.unknown_artist_name); 560 } 561 562 private void getColumnIndices(Cursor cursor) { 563 if (cursor != null) { 564 mGroupArtistIdIdx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Artists._ID); 565 mGroupArtistIdx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Artists.ARTIST); 566 mGroupAlbumIdx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Artists.NUMBER_OF_ALBUMS); 567 mGroupSongIdx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Artists.NUMBER_OF_TRACKS); 568 if (mIndexer != null) { 569 mIndexer.setCursor(cursor); 570 } else { 571 mIndexer = new MusicAlphabetIndexer(cursor, mGroupArtistIdx, 572 mResources.getString(com.android.internal.R.string.fast_scroll_alphabet)); 573 } 574 } 575 } 576 577 public void setActivity(ArtistAlbumBrowserActivity newactivity) { 578 mActivity = newactivity; 579 } 580 581 public AsyncQueryHandler getQueryHandler() { 582 return mQueryHandler; 583 } 584 585 @Override 586 public View newGroupView(Context context, Cursor cursor, boolean isExpanded, ViewGroup parent) { 587 View v = super.newGroupView(context, cursor, isExpanded, parent); 588 ImageView iv = (ImageView) v.findViewById(R.id.icon); 589 ViewGroup.LayoutParams p = iv.getLayoutParams(); 590 p.width = ViewGroup.LayoutParams.WRAP_CONTENT; 591 p.height = ViewGroup.LayoutParams.WRAP_CONTENT; 592 ViewHolder vh = new ViewHolder(); 593 vh.line1 = (TextView) v.findViewById(R.id.line1); 594 vh.line2 = (TextView) v.findViewById(R.id.line2); 595 vh.play_indicator = (ImageView) v.findViewById(R.id.play_indicator); 596 vh.icon = (ImageView) v.findViewById(R.id.icon); 597 vh.icon.setPadding(0, 0, 1, 0); 598 v.setTag(vh); 599 return v; 600 } 601 602 @Override 603 public View newChildView(Context context, Cursor cursor, boolean isLastChild, 604 ViewGroup parent) { 605 View v = super.newChildView(context, cursor, isLastChild, parent); 606 ViewHolder vh = new ViewHolder(); 607 vh.line1 = (TextView) v.findViewById(R.id.line1); 608 vh.line2 = (TextView) v.findViewById(R.id.line2); 609 vh.play_indicator = (ImageView) v.findViewById(R.id.play_indicator); 610 vh.icon = (ImageView) v.findViewById(R.id.icon); 611 vh.icon.setBackgroundDrawable(mDefaultAlbumIcon); 612 vh.icon.setPadding(0, 0, 1, 0); 613 v.setTag(vh); 614 return v; 615 } 616 617 @Override 618 public void bindGroupView(View view, Context context, Cursor cursor, boolean isexpanded) { 619 620 ViewHolder vh = (ViewHolder) view.getTag(); 621 622 String artist = cursor.getString(mGroupArtistIdx); 623 String displayartist = artist; 624 boolean unknown = MediaFile.UNKNOWN_STRING.equals(artist); 625 if (unknown) { 626 displayartist = mUnknownArtist; 627 } 628 vh.line1.setText(displayartist); 629 630 int numalbums = cursor.getInt(mGroupAlbumIdx); 631 int numsongs = cursor.getInt(mGroupSongIdx); 632 633 String songs_albums = MusicUtils.makeAlbumsLabel(context, 634 numalbums, numsongs, unknown); 635 636 vh.line2.setText(songs_albums); 637 638 int currentartistid = MusicUtils.getCurrentArtistId(); 639 int artistid = cursor.getInt(mGroupArtistIdIdx); 640 if (currentartistid == artistid && !isexpanded) { 641 vh.play_indicator.setImageDrawable(mNowPlayingOverlay); 642 } else { 643 vh.play_indicator.setImageDrawable(null); 644 } 645 } 646 647 @Override 648 public void bindChildView(View view, Context context, Cursor cursor, boolean islast) { 649 650 ViewHolder vh = (ViewHolder) view.getTag(); 651 652 String name = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Audio.Albums.ALBUM)); 653 String displayname = name; 654 boolean unknown = name.equals(MediaFile.UNKNOWN_STRING); 655 if (unknown) { 656 displayname = mUnknownAlbum; 657 } 658 vh.line1.setText(displayname); 659 660 int numsongs = cursor.getInt(cursor.getColumnIndexOrThrow(MediaStore.Audio.Albums.NUMBER_OF_SONGS)); 661 int numartistsongs = cursor.getInt(cursor.getColumnIndexOrThrow(MediaStore.Audio.Albums.NUMBER_OF_SONGS_FOR_ARTIST)); 662 int first = cursor.getInt(cursor.getColumnIndexOrThrow(MediaStore.Audio.Albums.FIRST_YEAR)); 663 int last = cursor.getInt(cursor.getColumnIndexOrThrow(MediaStore.Audio.Albums.LAST_YEAR)); 664 665 if (first == 0) { 666 first = last; 667 } 668 669 final StringBuilder builder = mBuffer; 670 builder.delete(0, builder.length()); 671 if (unknown) { 672 numsongs = numartistsongs; 673 } 674 675 if (numsongs == 1) { 676 builder.append(context.getString(R.string.onesong)); 677 } else { 678 if (numsongs == numartistsongs) { 679 final Object[] args = mFormatArgs; 680 args[0] = numsongs; 681 builder.append(mResources.getQuantityString(R.plurals.Nsongs, numsongs, args)); 682 } else { 683 final Object[] args = mFormatArgs3; 684 args[0] = numsongs; 685 args[1] = numartistsongs; 686 args[2] = cursor.getString(cursor.getColumnIndexOrThrow(MediaStore.Audio.Artists.ARTIST)); 687 builder.append(mResources.getQuantityString(R.plurals.Nsongscomp, numsongs, args)); 688 } 689 } 690 vh.line2.setText(builder.toString()); 691 692 ImageView iv = vh.icon; 693 // We don't actually need the path to the thumbnail file, 694 // we just use it to see if there is album art or not 695 String art = cursor.getString(cursor.getColumnIndexOrThrow( 696 MediaStore.Audio.Albums.ALBUM_ART)); 697 if (art == null || art.length() == 0) { 698 iv.setBackgroundDrawable(mDefaultAlbumIcon); 699 iv.setImageDrawable(null); 700 } else { 701 int artIndex = cursor.getInt(0); 702 Drawable d = MusicUtils.getCachedArtwork(context, artIndex, mDefaultAlbumIcon); 703 iv.setImageDrawable(d); 704 } 705 706 int currentalbumid = MusicUtils.getCurrentAlbumId(); 707 int aid = cursor.getInt(0); 708 iv = vh.play_indicator; 709 if (currentalbumid == aid) { 710 iv.setImageDrawable(mNowPlayingOverlay); 711 } else { 712 iv.setImageDrawable(null); 713 } 714 } 715 716 717 @Override 718 protected Cursor getChildrenCursor(Cursor groupCursor) { 719 720 int id = groupCursor.getInt(groupCursor.getColumnIndexOrThrow(MediaStore.Audio.Artists._ID)); 721 722 String[] cols = new String[] { 723 MediaStore.Audio.Albums._ID, 724 MediaStore.Audio.Albums.ALBUM, 725 MediaStore.Audio.Albums.NUMBER_OF_SONGS, 726 MediaStore.Audio.Albums.NUMBER_OF_SONGS_FOR_ARTIST, 727 MediaStore.Audio.Albums.FIRST_YEAR, 728 MediaStore.Audio.Albums.LAST_YEAR, 729 MediaStore.Audio.Albums.ALBUM_ART 730 }; 731 Cursor c = MusicUtils.query(mActivity, 732 MediaStore.Audio.Artists.Albums.getContentUri("external", id), 733 cols, null, null, MediaStore.Audio.Albums.DEFAULT_SORT_ORDER); 734 735 class MyCursorWrapper extends CursorWrapper { 736 String mArtistName; 737 int mMagicColumnIdx; 738 MyCursorWrapper(Cursor c, String artist) { 739 super(c); 740 mArtistName = artist; 741 if (MediaFile.UNKNOWN_STRING.equals(mArtistName)) { 742 mArtistName = mUnknownArtist; 743 } 744 mMagicColumnIdx = c.getColumnCount(); 745 } 746 747 @Override 748 public String getString(int columnIndex) { 749 if (columnIndex != mMagicColumnIdx) { 750 return super.getString(columnIndex); 751 } 752 return mArtistName; 753 } 754 755 @Override 756 public int getColumnIndexOrThrow(String name) { 757 if (name.equals(MediaStore.Audio.Albums.ARTIST)) { 758 return mMagicColumnIdx; 759 } 760 return super.getColumnIndexOrThrow(name); 761 } 762 763 @Override 764 public String getColumnName(int idx) { 765 if (idx != mMagicColumnIdx) { 766 return super.getColumnName(idx); 767 } 768 return MediaStore.Audio.Albums.ARTIST; 769 } 770 771 @Override 772 public int getColumnCount() { 773 return super.getColumnCount() + 1; 774 } 775 } 776 return new MyCursorWrapper(c, groupCursor.getString(mGroupArtistIdx)); 777 } 778 779 @Override 780 public void changeCursor(Cursor cursor) { 781 if (cursor != mActivity.mArtistCursor) { 782 mActivity.mArtistCursor = cursor; 783 getColumnIndices(cursor); 784 super.changeCursor(cursor); 785 } 786 } 787 788 @Override 789 public Cursor runQueryOnBackgroundThread(CharSequence constraint) { 790 return mActivity.getArtistCursor(null, constraint.toString()); 791 } 792 793 public Object[] getSections() { 794 return mIndexer.getSections(); 795 } 796 797 public int getPositionForSection(int sectionIndex) { 798 return mIndexer.getPositionForSection(sectionIndex); 799 } 800 801 public int getSectionForPosition(int position) { 802 return 0; 803 } 804 } 805 806 private Cursor mArtistCursor; 807} 808 809