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gerrit-public.fairphone.software / platform / packages / apps / Music / 792a2206a4f05f6bd13fce902d3663892d2947af / . / src / com / android / music / ArtistAlbumBrowserActivity.java
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The Android Open Source Project792a2202009-03-03 19:32:30 -0800[diff] [blame^]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 } else {
129 getArtistCursor(mAdapter.getQueryHandler(), null);
130 }
131 }
132 }
133
134 @Override
135 public Object onRetainNonConfigurationInstance() {
136 mAdapterSent = true;
137 return mAdapter;
138 }
139
140 @Override
141 public void onSaveInstanceState(Bundle outcicle) {
142 // need to store the selected item so we don't lose it in case
143 // of an orientation switch. Otherwise we could lose it while
144 // in the middle of specifying a playlist to add the item to.
145 outcicle.putString("selectedalbum", mCurrentAlbumId);
146 outcicle.putString("selectedalbumname", mCurrentAlbumName);
147 outcicle.putString("selectedartist", mCurrentArtistId);
148 outcicle.putString("selectedartistname", mCurrentArtistName);
149 super.onSaveInstanceState(outcicle);
150 }
151
152 @Override
153 public void onDestroy() {
154 MusicUtils.unbindFromService(this);
155 if (!mAdapterSent) {
156 Cursor c = mAdapter.getCursor();
157 if (c != null) {
158 c.close();
159 }
160 }
161 unregisterReceiver(mScanListener);
162 super.onDestroy();
163 }
164
165 @Override
166 public void onResume() {
167 super.onResume();
168 IntentFilter f = new IntentFilter();
169 f.addAction(MediaPlaybackService.META_CHANGED);
170 f.addAction(MediaPlaybackService.QUEUE_CHANGED);
171 registerReceiver(mTrackListListener, f);
172 mTrackListListener.onReceive(null, null);
173
174 MusicUtils.setSpinnerState(this);
175 }
176
177 private BroadcastReceiver mTrackListListener = new BroadcastReceiver() {
178 @Override
179 public void onReceive(Context context, Intent intent) {
180 getExpandableListView().invalidateViews();
181 }
182 };
183 private BroadcastReceiver mScanListener = new BroadcastReceiver() {
184 @Override
185 public void onReceive(Context context, Intent intent) {
186 MusicUtils.setSpinnerState(ArtistAlbumBrowserActivity.this);
187 mReScanHandler.sendEmptyMessage(0);
188 if (intent.getAction().equals(Intent.ACTION_MEDIA_UNMOUNTED)) {
189 MusicUtils.clearAlbumArtCache();
190 }
191 }
192 };
193
194 private Handler mReScanHandler = new Handler() {
195 @Override
196 public void handleMessage(Message msg) {
197 getArtistCursor(mAdapter.getQueryHandler(), null);
198 }
199 };
200
201 @Override
202 public void onPause() {
203 unregisterReceiver(mTrackListListener);
204 mReScanHandler.removeCallbacksAndMessages(null);
205 super.onPause();
206 }
207
208 public void init(Cursor c) {
209
210 mAdapter.changeCursor(c); // also sets mArtistCursor
211
212 if (mArtistCursor == null) {
213 MusicUtils.displayDatabaseError(this);
214 closeContextMenu();
215 mReScanHandler.sendEmptyMessageDelayed(0, 1000);
216 return;
217 }
218
219 MusicUtils.hideDatabaseError(this);
220 setTitle();
221 }
222
223 private void setTitle() {
224 setTitle(R.string.artists_title);
225 }
226
227 @Override
228 public boolean onChildClick(ExpandableListView parent, View v, int groupPosition, int childPosition, long id) {
229
230 mCurrentAlbumId = Long.valueOf(id).toString();
231
232 Intent intent = new Intent(Intent.ACTION_PICK);
233 intent.setDataAndType(Uri.EMPTY, "vnd.android.cursor.dir/track");
234 intent.putExtra("album", mCurrentAlbumId);
235 Cursor c = (Cursor) getExpandableListAdapter().getChild(groupPosition, childPosition);
236 String album = c.getString(c.getColumnIndex(MediaStore.Audio.Albums.ALBUM));
237 if (album.equals(MediaFile.UNKNOWN_STRING)) {
238 // unknown album, so we should include the artist ID to limit the songs to songs only by that artist
239 mArtistCursor.moveToPosition(groupPosition);
240 mCurrentArtistId = mArtistCursor.getString(mArtistCursor.getColumnIndex(MediaStore.Audio.Artists._ID));
241 intent.putExtra("artist", mCurrentArtistId);
242 }
243 startActivity(intent);
244 return true;
245 }
246
247 @Override
248 public boolean onCreateOptionsMenu(Menu menu) {
249 super.onCreateOptionsMenu(menu);
250 menu.add(0, GOTO_START, 0, R.string.goto_start).setIcon(R.drawable.ic_menu_music_library);
251 menu.add(0, GOTO_PLAYBACK, 0, R.string.goto_playback).setIcon(R.drawable.ic_menu_playback);
252 menu.add(0, SHUFFLE_ALL, 0, R.string.shuffle_all).setIcon(R.drawable.ic_menu_shuffle);
253 return true;
254 }
255
256 @Override
257 public boolean onPrepareOptionsMenu(Menu menu) {
258 menu.findItem(GOTO_PLAYBACK).setVisible(MusicUtils.isMusicLoaded());
259 return super.onPrepareOptionsMenu(menu);
260 }
261
262 @Override
263 public boolean onOptionsItemSelected(MenuItem item) {
264 Intent intent;
265 Cursor cursor;
266 switch (item.getItemId()) {
267 case GOTO_START:
268 intent = new Intent();
269 intent.setClass(this, MusicBrowserActivity.class);
270 intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
271 startActivity(intent);
272 return true;
273
274 case GOTO_PLAYBACK:
275 intent = new Intent("com.android.music.PLAYBACK_VIEWER");
276 startActivity(intent);
277 return true;
278
279 case SHUFFLE_ALL:
280 cursor = MusicUtils.query(this, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
281 new String [] { MediaStore.Audio.Media._ID},
282 MediaStore.Audio.Media.IS_MUSIC + "=1", null,
283 MediaStore.Audio.Media.DEFAULT_SORT_ORDER);
284 if (cursor != null) {
285 MusicUtils.shuffleAll(this, cursor);
286 cursor.close();
287 }
288 return true;
289 }
290 return super.onOptionsItemSelected(item);
291 }
292
293 @Override
294 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo menuInfoIn) {
295 menu.add(0, PLAY_SELECTION, 0, R.string.play_selection);
296 SubMenu sub = menu.addSubMenu(0, ADD_TO_PLAYLIST, 0, R.string.add_to_playlist);
297 MusicUtils.makePlaylistMenu(this, sub);
298 menu.add(0, DELETE_ITEM, 0, R.string.delete_item);
299 menu.add(0, SEARCH, 0, R.string.search_title);
300
301 ExpandableListContextMenuInfo mi = (ExpandableListContextMenuInfo) menuInfoIn;
302
303 int itemtype = ExpandableListView.getPackedPositionType(mi.packedPosition);
304 int gpos = ExpandableListView.getPackedPositionGroup(mi.packedPosition);
305 int cpos = ExpandableListView.getPackedPositionChild(mi.packedPosition);
306 if (itemtype == ExpandableListView.PACKED_POSITION_TYPE_GROUP) {
307 if (gpos == -1) {
308 // this shouldn't happen
309 Log.d("Artist/Album", "no group");
310 return;
311 }
312 gpos = gpos - getExpandableListView().getHeaderViewsCount();
313 mArtistCursor.moveToPosition(gpos);
314 mCurrentArtistId = mArtistCursor.getString(mArtistCursor.getColumnIndexOrThrow(MediaStore.Audio.Artists._ID));
315 mCurrentArtistName = mArtistCursor.getString(mArtistCursor.getColumnIndexOrThrow(MediaStore.Audio.Artists.ARTIST));
316 mCurrentAlbumId = null;
317 menu.setHeaderTitle(mCurrentArtistName);
318 return;
319 } else if (itemtype == ExpandableListView.PACKED_POSITION_TYPE_CHILD) {
320 if (cpos == -1) {
321 // this shouldn't happen
322 Log.d("Artist/Album", "no child");
323 return;
324 }
325 Cursor c = (Cursor) getExpandableListAdapter().getChild(gpos, cpos);
326 c.moveToPosition(cpos);
327 mCurrentArtistId = null;
328 mCurrentAlbumId = Long.valueOf(mi.id).toString();
329 mCurrentAlbumName = c.getString(c.getColumnIndexOrThrow(MediaStore.Audio.Albums.ALBUM));
330 gpos = gpos - getExpandableListView().getHeaderViewsCount();
331 mArtistCursor.moveToPosition(gpos);
332 mCurrentArtistNameForAlbum = mArtistCursor.getString(
333 mArtistCursor.getColumnIndexOrThrow(MediaStore.Audio.Artists.ARTIST));
334 menu.setHeaderTitle(mCurrentAlbumName);
335 }
336 }
337
338 @Override
339 public boolean onContextItemSelected(MenuItem item) {
340 switch (item.getItemId()) {
341 case PLAY_SELECTION: {
342 // play everything by the selected artist
343 int [] list =
344 mCurrentArtistId != null ?
345 MusicUtils.getSongListForArtist(this, Integer.parseInt(mCurrentArtistId))
346 : MusicUtils.getSongListForAlbum(this, Integer.parseInt(mCurrentAlbumId));
347
348 MusicUtils.playAll(this, list, 0);
349 return true;
350 }
351
352 case QUEUE: {
353 int [] list =
354 mCurrentArtistId != null ?
355 MusicUtils.getSongListForArtist(this, Integer.parseInt(mCurrentArtistId))
356 : MusicUtils.getSongListForAlbum(this, Integer.parseInt(mCurrentAlbumId));
357 MusicUtils.addToCurrentPlaylist(this, list);
358 return true;
359 }
360
361 case NEW_PLAYLIST: {
362 Intent intent = new Intent();
363 intent.setClass(this, CreatePlaylist.class);
364 startActivityForResult(intent, NEW_PLAYLIST);
365 return true;
366 }
367
368 case PLAYLIST_SELECTED: {
369 int [] list =
370 mCurrentArtistId != null ?
371 MusicUtils.getSongListForArtist(this, Integer.parseInt(mCurrentArtistId))
372 : MusicUtils.getSongListForAlbum(this, Integer.parseInt(mCurrentAlbumId));
373 int playlist = item.getIntent().getIntExtra("playlist", 0);
374 MusicUtils.addToPlaylist(this, list, playlist);
375 return true;
376 }
377
378 case DELETE_ITEM: {
379 int [] list;
380 String desc;
381 if (mCurrentArtistId != null) {
382 list = MusicUtils.getSongListForArtist(this, Integer.parseInt(mCurrentArtistId));
383 String f = getString(R.string.delete_artist_desc);
384 desc = String.format(f, mCurrentArtistName);
385 } else {
386 list = MusicUtils.getSongListForAlbum(this, Integer.parseInt(mCurrentAlbumId));
387 String f = getString(R.string.delete_album_desc);
388 desc = String.format(f, mCurrentAlbumName);
389 }
390 Bundle b = new Bundle();
391 b.putString("description", desc);
392 b.putIntArray("items", list);
393 Intent intent = new Intent();
394 intent.setClass(this, DeleteItems.class);
395 intent.putExtras(b);
396 startActivityForResult(intent, -1);
397 return true;
398 }
399
400 case SEARCH:
401 doSearch();
402 return true;
403 }
404 return super.onContextItemSelected(item);
405 }
406
407 void doSearch() {
408 CharSequence title = null;
409 String query = null;
410
411 Intent i = new Intent();
412 i.setAction(MediaStore.INTENT_ACTION_MEDIA_SEARCH);
413
414 if (mCurrentArtistId != null) {
415 title = mCurrentArtistName;
416 query = mCurrentArtistName;
417 i.putExtra(MediaStore.EXTRA_MEDIA_ARTIST, mCurrentArtistName);
418 i.putExtra(MediaStore.EXTRA_MEDIA_FOCUS, MediaStore.Audio.Artists.ENTRY_CONTENT_TYPE);
419 } else {
420 title = mCurrentAlbumName;
421 query = mCurrentArtistNameForAlbum + " " + mCurrentAlbumName;
422 i.putExtra(MediaStore.EXTRA_MEDIA_ARTIST, mCurrentArtistNameForAlbum);
423 i.putExtra(MediaStore.EXTRA_MEDIA_ALBUM, mCurrentAlbumName);
424 i.putExtra(MediaStore.EXTRA_MEDIA_FOCUS, MediaStore.Audio.Albums.ENTRY_CONTENT_TYPE);
425 }
426 title = getString(R.string.mediasearch, title);
427 i.putExtra(SearchManager.QUERY, query);
428
429 startActivity(Intent.createChooser(i, title));
430 }
431
432 @Override
433 protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
434 switch (requestCode) {
435 case SCAN_DONE:
436 if (resultCode == RESULT_CANCELED) {
437 finish();
438 } else {
439 getArtistCursor(mAdapter.getQueryHandler(), null);
440 }
441 break;
442
443 case NEW_PLAYLIST:
444 if (resultCode == RESULT_OK) {
445 Uri uri = intent.getData();
446 if (uri != null) {
447 int [] list = null;
448 if (mCurrentArtistId != null) {
449 list = MusicUtils.getSongListForArtist(this, Integer.parseInt(mCurrentArtistId));
450 } else if (mCurrentAlbumId != null) {
451 list = MusicUtils.getSongListForAlbum(this, Integer.parseInt(mCurrentAlbumId));
452 }
453 MusicUtils.addToPlaylist(this, list, Integer.parseInt(uri.getLastPathSegment()));
454 }
455 }
456 break;
457 }
458 }
459
460 private Cursor getArtistCursor(AsyncQueryHandler async, String filter) {
461
462 StringBuilder where = new StringBuilder();
463 where.append(MediaStore.Audio.Artists.ARTIST + " != ''");
464
465 // Add in the filtering constraints
466 String [] keywords = null;
467 if (filter != null) {
468 String [] searchWords = filter.split(" ");
469 keywords = new String[searchWords.length];
470 Collator col = Collator.getInstance();
471 col.setStrength(Collator.PRIMARY);
472 for (int i = 0; i < searchWords.length; i++) {
473 keywords[i] = '%' + MediaStore.Audio.keyFor(searchWords[i]) + '%';
474 }
475 for (int i = 0; i < searchWords.length; i++) {
476 where.append(" AND ");
477 where.append(MediaStore.Audio.Media.ARTIST_KEY + " LIKE ?");
478 }
479 }
480
481 String whereclause = where.toString();
482 String[] cols = new String[] {
483 MediaStore.Audio.Artists._ID,
484 MediaStore.Audio.Artists.ARTIST,
485 MediaStore.Audio.Artists.NUMBER_OF_ALBUMS,
486 MediaStore.Audio.Artists.NUMBER_OF_TRACKS
487 };
488 Cursor ret = null;
489 if (async != null) {
490 async.startQuery(0, null, MediaStore.Audio.Artists.EXTERNAL_CONTENT_URI,
491 cols, whereclause , keywords, MediaStore.Audio.Artists.ARTIST_KEY);
492 } else {
493 ret = MusicUtils.query(this, MediaStore.Audio.Artists.EXTERNAL_CONTENT_URI,
494 cols, whereclause , keywords, MediaStore.Audio.Artists.ARTIST_KEY);
495 }
496 return ret;
497 }
498
499 static class ArtistAlbumListAdapter extends SimpleCursorTreeAdapter implements SectionIndexer {
500
501 private final Drawable mNowPlayingOverlay;
502 private final BitmapDrawable mDefaultAlbumIcon;
503 private int mGroupArtistIdIdx;
504 private int mGroupArtistIdx;
505 private int mGroupAlbumIdx;
506 private int mGroupSongIdx;
507 private final Context mContext;
508 private final Resources mResources;
509 private final String mAlbumSongSeparator;
510 private final String mUnknownAlbum;
511 private final String mUnknownArtist;
512 private final StringBuilder mBuffer = new StringBuilder();
513 private final Object[] mFormatArgs = new Object[1];
514 private final Object[] mFormatArgs3 = new Object[3];
515 private MusicAlphabetIndexer mIndexer;
516 private ArtistAlbumBrowserActivity mActivity;
517 private AsyncQueryHandler mQueryHandler;
518 private String mConstraint = null;
519 private boolean mConstraintIsValid = false;
520
521 class ViewHolder {
522 TextView line1;
523 TextView line2;
524 ImageView play_indicator;
525 ImageView icon;
526 }
527
528 class QueryHandler extends AsyncQueryHandler {
529 QueryHandler(ContentResolver res) {
530 super(res);
531 }
532
533 @Override
534 protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
535 //Log.i("@@@", "query complete");
536 mActivity.init(cursor);
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 (unknown || 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 String s = constraint.toString();
791 if (mConstraintIsValid && (
792 (s == null && mConstraint == null) ||
793 (s != null && s.equals(mConstraint)))) {
794 return getCursor();
795 }
796 Cursor c = mActivity.getArtistCursor(null, s);
797 mConstraint = s;
798 mConstraintIsValid = true;
799 return c;
800 }
801
802 public Object[] getSections() {
803 return mIndexer.getSections();
804 }
805
806 public int getPositionForSection(int sectionIndex) {
807 return mIndexer.getPositionForSection(sectionIndex);
808 }
809
810 public int getSectionForPosition(int position) {
811 return 0;
812 }
813 }
814
815 private Cursor mArtistCursor;
816}
817