2 * Copyright (C) 2007 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package com.android.music;
19 import android.app.ListActivity;
20 import android.app.SearchManager;
21 import android.content.AsyncQueryHandler;
22 import android.content.BroadcastReceiver;
23 import android.content.ContentResolver;
24 import android.content.Context;
25 import android.content.Intent;
26 import android.content.IntentFilter;
27 import android.content.res.Resources;
28 import android.database.Cursor;
29 import android.graphics.Bitmap;
30 import android.graphics.BitmapFactory;
31 import android.graphics.drawable.BitmapDrawable;
32 import android.graphics.drawable.Drawable;
33 import android.media.AudioManager;
34 import android.media.MediaFile;
35 import android.net.Uri;
36 import android.os.Bundle;
37 import android.os.Handler;
38 import android.os.Message;
39 import android.provider.MediaStore;
40 import android.view.ContextMenu;
41 import android.view.Menu;
42 import android.view.MenuItem;
43 import android.view.SubMenu;
44 import android.view.View;
45 import android.view.ViewGroup;
46 import android.view.Window;
47 import android.view.ContextMenu.ContextMenuInfo;
48 import android.widget.Adapter;
49 import android.widget.AlphabetIndexer;
50 import android.widget.CursorAdapter;
51 import android.widget.ImageView;
52 import android.widget.ListAdapter;
53 import android.widget.ListView;
54 import android.widget.SectionIndexer;
55 import android.widget.SimpleCursorAdapter;
56 import android.widget.TextView;
57 import android.widget.AdapterView.AdapterContextMenuInfo;
59 import java.text.Collator;
61 public class AlbumBrowserActivity extends ListActivity
62 implements View.OnCreateContextMenuListener, MusicUtils.Defs
64 private String mCurrentAlbumId;
65 private String mCurrentAlbumName;
66 private String mCurrentArtistNameForAlbum;
67 private AlbumListAdapter mAdapter;
68 private boolean mAdapterSent;
69 private final static int SEARCH = CHILD_MENU_BASE;
71 public AlbumBrowserActivity()
75 /** Called when the activity is first created. */
77 public void onCreate(Bundle icicle)
80 mCurrentAlbumId = icicle.getString("selectedalbum");
81 mArtistId = icicle.getString("artist");
83 mArtistId = getIntent().getStringExtra("artist");
85 super.onCreate(icicle);
86 requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
87 setVolumeControlStream(AudioManager.STREAM_MUSIC);
88 MusicUtils.bindToService(this);
90 IntentFilter f = new IntentFilter();
91 f.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED);
92 f.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED);
93 f.addAction(Intent.ACTION_MEDIA_UNMOUNTED);
94 f.addDataScheme("file");
95 registerReceiver(mScanListener, f);
97 setContentView(R.layout.media_picker_activity);
98 ListView lv = getListView();
99 lv.setFastScrollEnabled(true);
100 lv.setOnCreateContextMenuListener(this);
101 lv.setTextFilterEnabled(true);
103 mAdapter = (AlbumListAdapter) getLastNonConfigurationInstance();
104 if (mAdapter == null) {
105 //Log.i("@@@", "starting query");
106 mAdapter = new AlbumListAdapter(
109 R.layout.track_list_item,
113 setListAdapter(mAdapter);
114 setTitle(R.string.working_albums);
115 getAlbumCursor(mAdapter.getQueryHandler(), null);
117 mAdapter.setActivity(this);
118 setListAdapter(mAdapter);
119 mAlbumCursor = mAdapter.getCursor();
120 if (mAlbumCursor != null) {
123 getAlbumCursor(mAdapter.getQueryHandler(), null);
129 public Object onRetainNonConfigurationInstance() {
135 public void onSaveInstanceState(Bundle outcicle) {
136 // need to store the selected item so we don't lose it in case
137 // of an orientation switch. Otherwise we could lose it while
138 // in the middle of specifying a playlist to add the item to.
139 outcicle.putString("selectedalbum", mCurrentAlbumId);
140 outcicle.putString("artist", mArtistId);
141 super.onSaveInstanceState(outcicle);
145 public void onDestroy() {
146 MusicUtils.unbindFromService(this);
148 Cursor c = mAdapter.getCursor();
153 unregisterReceiver(mScanListener);
158 public void onResume() {
160 IntentFilter f = new IntentFilter();
161 f.addAction(MediaPlaybackService.META_CHANGED);
162 f.addAction(MediaPlaybackService.QUEUE_CHANGED);
163 registerReceiver(mTrackListListener, f);
164 mTrackListListener.onReceive(null, null);
166 MusicUtils.setSpinnerState(this);
169 private BroadcastReceiver mTrackListListener = new BroadcastReceiver() {
171 public void onReceive(Context context, Intent intent) {
172 getListView().invalidateViews();
175 private BroadcastReceiver mScanListener = new BroadcastReceiver() {
177 public void onReceive(Context context, Intent intent) {
178 MusicUtils.setSpinnerState(AlbumBrowserActivity.this);
179 mReScanHandler.sendEmptyMessage(0);
180 if (intent.getAction().equals(Intent.ACTION_MEDIA_UNMOUNTED)) {
181 MusicUtils.clearAlbumArtCache();
186 private Handler mReScanHandler = new Handler() {
188 public void handleMessage(Message msg) {
189 getAlbumCursor(mAdapter.getQueryHandler(), null);
194 public void onPause() {
195 unregisterReceiver(mTrackListListener);
196 mReScanHandler.removeCallbacksAndMessages(null);
200 public void init(Cursor c) {
202 mAdapter.changeCursor(c); // also sets mAlbumCursor
204 if (mAlbumCursor == null) {
205 MusicUtils.displayDatabaseError(this);
207 mReScanHandler.sendEmptyMessageDelayed(0, 1000);
211 MusicUtils.hideDatabaseError(this);
215 private void setTitle() {
216 CharSequence fancyName = "";
217 if (mAlbumCursor != null && mAlbumCursor.getCount() > 0) {
218 mAlbumCursor.moveToFirst();
219 fancyName = mAlbumCursor.getString(3);
220 if (fancyName == null || fancyName.equals(MediaFile.UNKNOWN_STRING))
221 fancyName = getText(R.string.unknown_artist_name);
224 if (mArtistId != null && fancyName != null)
227 setTitle(R.string.albums_title);
231 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo menuInfoIn) {
232 menu.add(0, PLAY_SELECTION, 0, R.string.play_selection);
233 SubMenu sub = menu.addSubMenu(0, ADD_TO_PLAYLIST, 0, R.string.add_to_playlist);
234 MusicUtils.makePlaylistMenu(this, sub);
235 menu.add(0, DELETE_ITEM, 0, R.string.delete_item);
236 menu.add(0, SEARCH, 0, R.string.search_title);
238 AdapterContextMenuInfo mi = (AdapterContextMenuInfo) menuInfoIn;
239 mAlbumCursor.moveToPosition(mi.position);
240 mCurrentAlbumId = mAlbumCursor.getString(mAlbumCursor.getColumnIndexOrThrow(MediaStore.Audio.Albums._ID));
241 mCurrentAlbumName = mAlbumCursor.getString(mAlbumCursor.getColumnIndexOrThrow(MediaStore.Audio.Albums.ALBUM));
242 mCurrentArtistNameForAlbum = mAlbumCursor.getString(
243 mAlbumCursor.getColumnIndexOrThrow(MediaStore.Audio.Albums.ARTIST));
244 menu.setHeaderTitle(mCurrentAlbumName);
248 public boolean onContextItemSelected(MenuItem item) {
249 switch (item.getItemId()) {
250 case PLAY_SELECTION: {
251 // play the selected album
252 int [] list = MusicUtils.getSongListForAlbum(this, Integer.parseInt(mCurrentAlbumId));
253 MusicUtils.playAll(this, list, 0);
258 int [] list = MusicUtils.getSongListForAlbum(this, Integer.parseInt(mCurrentAlbumId));
259 MusicUtils.addToCurrentPlaylist(this, list);
264 Intent intent = new Intent();
265 intent.setClass(this, CreatePlaylist.class);
266 startActivityForResult(intent, NEW_PLAYLIST);
270 case PLAYLIST_SELECTED: {
271 int [] list = MusicUtils.getSongListForAlbum(this, Integer.parseInt(mCurrentAlbumId));
272 int playlist = item.getIntent().getIntExtra("playlist", 0);
273 MusicUtils.addToPlaylist(this, list, playlist);
277 int [] list = MusicUtils.getSongListForAlbum(this, Integer.parseInt(mCurrentAlbumId));
278 String f = getString(R.string.delete_album_desc);
279 String desc = String.format(f, mCurrentAlbumName);
280 Bundle b = new Bundle();
281 b.putString("description", desc);
282 b.putIntArray("items", list);
283 Intent intent = new Intent();
284 intent.setClass(this, DeleteItems.class);
286 startActivityForResult(intent, -1);
294 return super.onContextItemSelected(item);
298 CharSequence title = null;
301 Intent i = new Intent();
302 i.setAction(MediaStore.INTENT_ACTION_MEDIA_SEARCH);
303 i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
305 title = mCurrentAlbumName;
306 query = mCurrentArtistNameForAlbum + " " + mCurrentAlbumName;
307 i.putExtra(MediaStore.EXTRA_MEDIA_ARTIST, mCurrentArtistNameForAlbum);
308 i.putExtra(MediaStore.EXTRA_MEDIA_ALBUM, mCurrentAlbumName);
309 i.putExtra(MediaStore.EXTRA_MEDIA_FOCUS, MediaStore.Audio.Albums.ENTRY_CONTENT_TYPE);
310 title = getString(R.string.mediasearch, title);
311 i.putExtra(SearchManager.QUERY, query);
313 startActivity(Intent.createChooser(i, title));
317 protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
318 switch (requestCode) {
320 if (resultCode == RESULT_CANCELED) {
323 getAlbumCursor(mAdapter.getQueryHandler(), null);
328 if (resultCode == RESULT_OK) {
329 Uri uri = intent.getData();
331 int [] list = MusicUtils.getSongListForAlbum(this, Integer.parseInt(mCurrentAlbumId));
332 MusicUtils.addToPlaylist(this, list, Integer.parseInt(uri.getLastPathSegment()));
340 protected void onListItemClick(ListView l, View v, int position, long id)
342 Intent intent = new Intent(Intent.ACTION_PICK);
343 intent.setDataAndType(Uri.EMPTY, "vnd.android.cursor.dir/track");
344 intent.putExtra("album", Long.valueOf(id).toString());
345 intent.putExtra("artist", mArtistId);
346 startActivity(intent);
350 public boolean onCreateOptionsMenu(Menu menu) {
351 super.onCreateOptionsMenu(menu);
352 menu.add(0, GOTO_START, 0, R.string.goto_start).setIcon(R.drawable.ic_menu_music_library);
353 menu.add(0, GOTO_PLAYBACK, 0, R.string.goto_playback).setIcon(R.drawable.ic_menu_playback);
354 menu.add(0, SHUFFLE_ALL, 0, R.string.shuffle_all).setIcon(R.drawable.ic_menu_shuffle);
359 public boolean onPrepareOptionsMenu(Menu menu) {
360 menu.findItem(GOTO_PLAYBACK).setVisible(MusicUtils.isMusicLoaded());
361 return super.onPrepareOptionsMenu(menu);
365 public boolean onOptionsItemSelected(MenuItem item) {
368 switch (item.getItemId()) {
370 intent = new Intent();
371 intent.setClass(this, MusicBrowserActivity.class);
372 intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
373 startActivity(intent);
377 intent = new Intent("com.android.music.PLAYBACK_VIEWER");
378 startActivity(intent);
382 cursor = MusicUtils.query(this, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
383 new String [] { MediaStore.Audio.Media._ID},
384 MediaStore.Audio.Media.IS_MUSIC + "=1", null,
385 MediaStore.Audio.Media.DEFAULT_SORT_ORDER);
386 if (cursor != null) {
387 MusicUtils.shuffleAll(this, cursor);
392 return super.onOptionsItemSelected(item);
395 private Cursor getAlbumCursor(AsyncQueryHandler async, String filter) {
396 StringBuilder where = new StringBuilder();
397 where.append(MediaStore.Audio.Albums.ALBUM + " != ''");
399 // Add in the filtering constraints
400 String [] keywords = null;
401 if (filter != null) {
402 String [] searchWords = filter.split(" ");
403 keywords = new String[searchWords.length];
404 Collator col = Collator.getInstance();
405 col.setStrength(Collator.PRIMARY);
406 for (int i = 0; i < searchWords.length; i++) {
407 keywords[i] = '%' + MediaStore.Audio.keyFor(searchWords[i]) + '%';
409 for (int i = 0; i < searchWords.length; i++) {
410 where.append(" AND ");
411 where.append(MediaStore.Audio.Media.ARTIST_KEY + "||");
412 where.append(MediaStore.Audio.Media.ALBUM_KEY + " LIKE ?");
416 String whereclause = where.toString();
418 String[] cols = new String[] {
419 MediaStore.Audio.Albums._ID,
420 MediaStore.Audio.Albums.ALBUM,
421 MediaStore.Audio.Albums.ALBUM_KEY,
422 MediaStore.Audio.Albums.ARTIST,
423 MediaStore.Audio.Albums.NUMBER_OF_SONGS,
424 MediaStore.Audio.Albums.ALBUM_ART
427 if (mArtistId != null) {
429 async.startQuery(0, null,
430 MediaStore.Audio.Artists.Albums.getContentUri("external",
431 Long.valueOf(mArtistId)),
432 cols, whereclause, keywords, MediaStore.Audio.Albums.DEFAULT_SORT_ORDER);
434 ret = MusicUtils.query(this,
435 MediaStore.Audio.Artists.Albums.getContentUri("external",
436 Long.valueOf(mArtistId)),
437 cols, whereclause, keywords, MediaStore.Audio.Albums.DEFAULT_SORT_ORDER);
441 async.startQuery(0, null,
442 MediaStore.Audio.Albums.EXTERNAL_CONTENT_URI,
443 cols, whereclause, keywords, MediaStore.Audio.Albums.DEFAULT_SORT_ORDER);
445 ret = MusicUtils.query(this, MediaStore.Audio.Albums.EXTERNAL_CONTENT_URI,
446 cols, whereclause, keywords, MediaStore.Audio.Albums.DEFAULT_SORT_ORDER);
452 static class AlbumListAdapter extends SimpleCursorAdapter implements SectionIndexer {
454 private final Drawable mNowPlayingOverlay;
455 private final BitmapDrawable mDefaultAlbumIcon;
456 private int mAlbumIdx;
457 private int mArtistIdx;
458 private int mNumSongsIdx;
459 private int mAlbumArtIndex;
460 private final Resources mResources;
461 private final StringBuilder mStringBuilder = new StringBuilder();
462 private final String mUnknownAlbum;
463 private final String mUnknownArtist;
464 private final String mAlbumSongSeparator;
465 private final Object[] mFormatArgs = new Object[1];
466 private AlphabetIndexer mIndexer;
467 private AlbumBrowserActivity mActivity;
468 private AsyncQueryHandler mQueryHandler;
469 private String mConstraint = null;
470 private boolean mConstraintIsValid = false;
476 ImageView play_indicator;
480 class QueryHandler extends AsyncQueryHandler {
481 QueryHandler(ContentResolver res) {
486 protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
487 //Log.i("@@@", "query complete");
488 mActivity.init(cursor);
492 AlbumListAdapter(Context context, AlbumBrowserActivity currentactivity,
493 int layout, Cursor cursor, String[] from, int[] to) {
494 super(context, layout, cursor, from, to);
496 mActivity = currentactivity;
497 mQueryHandler = new QueryHandler(context.getContentResolver());
499 mUnknownAlbum = context.getString(R.string.unknown_album_name);
500 mUnknownArtist = context.getString(R.string.unknown_artist_name);
501 mAlbumSongSeparator = context.getString(R.string.albumsongseparator);
503 Resources r = context.getResources();
504 mNowPlayingOverlay = r.getDrawable(R.drawable.indicator_ic_mp_playing_list);
506 Bitmap b = BitmapFactory.decodeResource(r, R.drawable.albumart_mp_unknown_list);
507 mDefaultAlbumIcon = new BitmapDrawable(b);
508 // no filter or dither, it's a lot faster and we can't tell the difference
509 mDefaultAlbumIcon.setFilterBitmap(false);
510 mDefaultAlbumIcon.setDither(false);
511 getColumnIndices(cursor);
512 mResources = context.getResources();
515 private void getColumnIndices(Cursor cursor) {
516 if (cursor != null) {
517 mAlbumIdx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Albums.ALBUM);
518 mArtistIdx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Albums.ARTIST);
519 mNumSongsIdx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Albums.NUMBER_OF_SONGS);
520 mAlbumArtIndex = cursor.getColumnIndexOrThrow(MediaStore.Audio.Albums.ALBUM_ART);
522 if (mIndexer != null) {
523 mIndexer.setCursor(cursor);
525 mIndexer = new MusicAlphabetIndexer(cursor, mAlbumIdx, mResources.getString(
526 com.android.internal.R.string.fast_scroll_alphabet));
531 public void setActivity(AlbumBrowserActivity newactivity) {
532 mActivity = newactivity;
535 public AsyncQueryHandler getQueryHandler() {
536 return mQueryHandler;
540 public View newView(Context context, Cursor cursor, ViewGroup parent) {
541 View v = super.newView(context, cursor, parent);
542 ViewHolder vh = new ViewHolder();
543 vh.line1 = (TextView) v.findViewById(R.id.line1);
544 vh.line2 = (TextView) v.findViewById(R.id.line2);
545 vh.duration = (TextView) v.findViewById(R.id.duration);
546 vh.play_indicator = (ImageView) v.findViewById(R.id.play_indicator);
547 vh.icon = (ImageView) v.findViewById(R.id.icon);
548 vh.icon.setBackgroundDrawable(mDefaultAlbumIcon);
549 vh.icon.setPadding(0, 0, 1, 0);
555 public void bindView(View view, Context context, Cursor cursor) {
557 ViewHolder vh = (ViewHolder) view.getTag();
559 String name = cursor.getString(mAlbumIdx);
560 String displayname = name;
561 boolean unknown = name == null || name.equals(MediaFile.UNKNOWN_STRING);
563 displayname = mUnknownAlbum;
565 vh.line1.setText(displayname);
567 name = cursor.getString(mArtistIdx);
569 if (name == null || name.equals(MediaFile.UNKNOWN_STRING)) {
570 displayname = mUnknownArtist;
572 vh.line2.setText(displayname);
574 ImageView iv = vh.icon;
575 // We don't actually need the path to the thumbnail file,
576 // we just use it to see if there is album art or not
577 String art = cursor.getString(mAlbumArtIndex);
578 if (unknown || art == null || art.length() == 0) {
579 iv.setImageDrawable(null);
581 int artIndex = cursor.getInt(0);
582 Drawable d = MusicUtils.getCachedArtwork(context, artIndex, mDefaultAlbumIcon);
583 iv.setImageDrawable(d);
586 int currentalbumid = MusicUtils.getCurrentAlbumId();
587 int aid = cursor.getInt(0);
588 iv = vh.play_indicator;
589 if (currentalbumid == aid) {
590 iv.setImageDrawable(mNowPlayingOverlay);
592 iv.setImageDrawable(null);
597 public void changeCursor(Cursor cursor) {
598 if (cursor != mActivity.mAlbumCursor) {
599 mActivity.mAlbumCursor = cursor;
600 getColumnIndices(cursor);
601 super.changeCursor(cursor);
606 public Cursor runQueryOnBackgroundThread(CharSequence constraint) {
607 String s = constraint.toString();
608 if (mConstraintIsValid && (
609 (s == null && mConstraint == null) ||
610 (s != null && s.equals(mConstraint)))) {
613 Cursor c = mActivity.getAlbumCursor(null, s);
615 mConstraintIsValid = true;
619 public Object[] getSections() {
620 return mIndexer.getSections();
623 public int getPositionForSection(int section) {
624 return mIndexer.getPositionForSection(section);
627 public int getSectionForPosition(int position) {
632 private Cursor mAlbumCursor;
633 private String mArtistId;