/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.music;
import android.app.ListActivity;
import android.app.SearchManager;
import android.content.AsyncQueryHandler;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.database.AbstractCursor;
import android.database.CharArrayBuffer;
import android.database.Cursor;
import android.media.AudioManager;
import android.media.MediaFile;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.os.RemoteException;
import android.provider.MediaStore;
import android.provider.MediaStore.Audio.Playlists;
import android.util.Log;
import android.view.ContextMenu;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.SubMenu;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.ContextMenu.ContextMenuInfo;
import android.widget.AlphabetIndexer;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.SectionIndexer;
import android.widget.SimpleCursorAdapter;
import android.widget.TextView;
import android.widget.AdapterView.AdapterContextMenuInfo;
import java.text.Collator;
import java.util.Arrays;
public class TrackBrowserActivity extends ListActivity
implements View.OnCreateContextMenuListener, MusicUtils.Defs, ServiceConnection
{
private final int Q_SELECTED = CHILD_MENU_BASE;
private final int Q_ALL = CHILD_MENU_BASE + 1;
private final int SAVE_AS_PLAYLIST = CHILD_MENU_BASE + 2;
private final int PLAY_ALL = CHILD_MENU_BASE + 3;
private final int CLEAR_PLAYLIST = CHILD_MENU_BASE + 4;
private final int REMOVE = CHILD_MENU_BASE + 5;
private final int SEARCH = CHILD_MENU_BASE + 6;
private static final String LOGTAG = "TrackBrowser";
private String[] mCursorCols;
private String[] mPlaylistMemberCols;
private boolean mDeletedOneRow = false;
private boolean mEditMode = false;
private String mCurrentTrackName;
private String mCurrentAlbumName;
private String mCurrentArtistNameForAlbum;
private ListView mTrackList;
private Cursor mTrackCursor;
private TrackListAdapter mAdapter;
private boolean mAdapterSent = false;
private String mAlbumId;
private String mArtistId;
private String mPlaylist;
private String mGenre;
private String mSortOrder;
private int mSelectedPosition;
private long mSelectedId;
public TrackBrowserActivity()
{
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle icicle)
{
super.onCreate(icicle);
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
setVolumeControlStream(AudioManager.STREAM_MUSIC);
if (icicle != null) {
mSelectedId = icicle.getLong("selectedtrack");
mAlbumId = icicle.getString("album");
mArtistId = icicle.getString("artist");
mPlaylist = icicle.getString("playlist");
mGenre = icicle.getString("genre");
mEditMode = icicle.getBoolean("editmode", false);
} else {
mAlbumId = getIntent().getStringExtra("album");
// If we have an album, show everything on the album, not just stuff
// by a particular artist.
Intent intent = getIntent();
mArtistId = intent.getStringExtra("artist");
mPlaylist = intent.getStringExtra("playlist");
mGenre = intent.getStringExtra("genre");
mEditMode = intent.getAction().equals(Intent.ACTION_EDIT);
}
mCursorCols = new String[] {
MediaStore.Audio.Media._ID,
MediaStore.Audio.Media.TITLE,
MediaStore.Audio.Media.TITLE_KEY,
MediaStore.Audio.Media.DATA,
MediaStore.Audio.Media.ALBUM,
MediaStore.Audio.Media.ARTIST,
MediaStore.Audio.Media.ARTIST_ID,
MediaStore.Audio.Media.DURATION
};
mPlaylistMemberCols = new String[] {
MediaStore.Audio.Playlists.Members._ID,
MediaStore.Audio.Media.TITLE,
MediaStore.Audio.Media.TITLE_KEY,
MediaStore.Audio.Media.DATA,
MediaStore.Audio.Media.ALBUM,
MediaStore.Audio.Media.ARTIST,
MediaStore.Audio.Media.ARTIST_ID,
MediaStore.Audio.Media.DURATION,
MediaStore.Audio.Playlists.Members.PLAY_ORDER,
MediaStore.Audio.Playlists.Members.AUDIO_ID
};
setContentView(R.layout.media_picker_activity);
mTrackList = getListView();
mTrackList.setOnCreateContextMenuListener(this);
if (mEditMode) {
//((TouchInterceptor) mTrackList).setDragListener(mDragListener);
((TouchInterceptor) mTrackList).setDropListener(mDropListener);
((TouchInterceptor) mTrackList).setRemoveListener(mRemoveListener);
mTrackList.setCacheColorHint(0);
} else {
mTrackList.setTextFilterEnabled(true);
}
mAdapter = (TrackListAdapter) getLastNonConfigurationInstance();
if (mAdapter != null) {
mAdapter.setActivity(this);
setListAdapter(mAdapter);
}
MusicUtils.bindToService(this, this);
}
public void onServiceConnected(ComponentName name, IBinder service)
{
IntentFilter f = new IntentFilter();
f.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED);
f.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED);
f.addAction(Intent.ACTION_MEDIA_UNMOUNTED);
f.addDataScheme("file");
registerReceiver(mScanListener, f);
if (mAdapter == null) {
//Log.i("@@@", "starting query");
mAdapter = new TrackListAdapter(
getApplication(), // need to use application context to avoid leaks
this,
mEditMode ? R.layout.edit_track_list_item : R.layout.track_list_item,
null, // cursor
new String[] {},
new int[] {},
"nowplaying".equals(mPlaylist),
mPlaylist != null &&
!(mPlaylist.equals("podcasts") || mPlaylist.equals("recentlyadded")));
setListAdapter(mAdapter);
setTitle(R.string.working_songs);
getTrackCursor(mAdapter.getQueryHandler(), null);
} else {
mTrackCursor = mAdapter.getCursor();
// If mTrackCursor is null, this can be because it doesn't have
// a cursor yet (because the initial query that sets its cursor
// is still in progress), or because the query failed.
// In order to not flash the error dialog at the user for the
// first case, simply retry the query when the cursor is null.
// Worst case, we end up doing the same query twice.
if (mTrackCursor != null) {
init(mTrackCursor);
} else {
setTitle(R.string.working_songs);
getTrackCursor(mAdapter.getQueryHandler(), null);
}
}
}
public void onServiceDisconnected(ComponentName name) {
// we can't really function without the service, so don't
finish();
}
@Override
public Object onRetainNonConfigurationInstance() {
TrackListAdapter a = mAdapter;
mAdapterSent = true;
return a;
}
@Override
public void onDestroy() {
MusicUtils.unbindFromService(this);
try {
if ("nowplaying".equals(mPlaylist)) {
unregisterReceiverSafe(mNowPlayingListener);
} else {
unregisterReceiverSafe(mTrackListListener);
}
} catch (IllegalArgumentException ex) {
// we end up here in case we never registered the listeners
}
// if we didn't send the adapter off to another activity, we should
// close the cursor
if (!mAdapterSent) {
Cursor c = mAdapter.getCursor();
if (c != null) {
c.close();
}
}
unregisterReceiverSafe(mScanListener);
super.onDestroy();
}
/**
* Unregister a receiver, but eat the exception that is thrown if the
* receiver was never registered to begin with. This is a little easier
* than keeping track of whether the receivers have actually been
* registered by the time onDestroy() is called.
*/
private void unregisterReceiverSafe(BroadcastReceiver receiver) {
try {
unregisterReceiver(receiver);
} catch (IllegalArgumentException e) {
// ignore
}
}
@Override
public void onResume() {
super.onResume();
if (mTrackCursor != null) {
getListView().invalidateViews();
}
MusicUtils.setSpinnerState(this);
}
@Override
public void onPause() {
mReScanHandler.removeCallbacksAndMessages(null);
super.onPause();
}
/*
* This listener gets called when the media scanner starts up or finishes, and
* when the sd card is unmounted.
*/
private BroadcastReceiver mScanListener = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (Intent.ACTION_MEDIA_SCANNER_STARTED.equals(action) ||
Intent.ACTION_MEDIA_SCANNER_FINISHED.equals(action)) {
MusicUtils.setSpinnerState(TrackBrowserActivity.this);
}
mReScanHandler.sendEmptyMessage(0);
}
};
private Handler mReScanHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
getTrackCursor(mAdapter.getQueryHandler(), null);
// if the query results in a null cursor, onQueryComplete() will
// call init(), which will post a delayed message to this handler
// in order to try again.
}
};
public void onSaveInstanceState(Bundle outcicle) {
// need to store the selected item so we don't lose it in case
// of an orientation switch. Otherwise we could lose it while
// in the middle of specifying a playlist to add the item to.
outcicle.putLong("selectedtrack", mSelectedId);
outcicle.putString("artist", mArtistId);
outcicle.putString("album", mAlbumId);
outcicle.putString("playlist", mPlaylist);
outcicle.putString("genre", mGenre);
outcicle.putBoolean("editmode", mEditMode);
super.onSaveInstanceState(outcicle);
}
public void init(Cursor newCursor) {
mAdapter.changeCursor(newCursor); // also sets mTrackCursor
if (mTrackCursor == null) {
MusicUtils.displayDatabaseError(this);
closeContextMenu();
mReScanHandler.sendEmptyMessageDelayed(0, 1000);
return;
}
MusicUtils.hideDatabaseError(this);
setTitle();
// When showing the queue, position the selection on the currently playing track
// Otherwise, position the selection on the first matching artist, if any
IntentFilter f = new IntentFilter();
f.addAction(MediaPlaybackService.META_CHANGED);
f.addAction(MediaPlaybackService.QUEUE_CHANGED);
if ("nowplaying".equals(mPlaylist)) {
try {
int cur = MusicUtils.sService.getQueuePosition();
setSelection(cur);
registerReceiver(mNowPlayingListener, new IntentFilter(f));
mNowPlayingListener.onReceive(this, new Intent(MediaPlaybackService.META_CHANGED));
} catch (RemoteException ex) {
}
} else {
String key = getIntent().getStringExtra("artist");
if (key != null) {
int keyidx = mTrackCursor.getColumnIndexOrThrow(MediaStore.Audio.Media.ARTIST_ID);
mTrackCursor.moveToFirst();
while (! mTrackCursor.isAfterLast()) {
String artist = mTrackCursor.getString(keyidx);
if (artist.equals(key)) {
setSelection(mTrackCursor.getPosition());
break;
}
mTrackCursor.moveToNext();
}
}
registerReceiver(mTrackListListener, new IntentFilter(f));
mTrackListListener.onReceive(this, new Intent(MediaPlaybackService.META_CHANGED));
}
}
private void setTitle() {
CharSequence fancyName = null;
if (mAlbumId != null) {
int numresults = mTrackCursor != null ? mTrackCursor.getCount() : 0;
if (numresults > 0) {
mTrackCursor.moveToFirst();
int idx = mTrackCursor.getColumnIndexOrThrow(MediaStore.Audio.Media.ALBUM);
fancyName = mTrackCursor.getString(idx);
// For compilation albums show only the album title,
// but for regular albums show "artist - album".
// To determine whether something is a compilation
// album, do a query for the artist + album of the
// first item, and see if it returns the same number
// of results as the album query.
String where = MediaStore.Audio.Media.ALBUM_ID + "='" + mAlbumId +
"' AND " + MediaStore.Audio.Media.ARTIST_ID + "=" +
mTrackCursor.getLong(mTrackCursor.getColumnIndexOrThrow(
MediaStore.Audio.Media.ARTIST_ID));
Cursor cursor = MusicUtils.query(this, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
new String[] {MediaStore.Audio.Media.ALBUM}, where, null, null);
if (cursor != null) {
if (cursor.getCount() != numresults) {
// compilation album
fancyName = mTrackCursor.getString(idx);
}
cursor.deactivate();
}
if (fancyName == null || fancyName.equals(MediaFile.UNKNOWN_STRING)) {
fancyName = getString(R.string.unknown_album_name);
}
}
} else if (mPlaylist != null) {
if (mPlaylist.equals("nowplaying")) {
if (MusicUtils.getCurrentShuffleMode() == MediaPlaybackService.SHUFFLE_AUTO) {
fancyName = getText(R.string.partyshuffle_title);
} else {
fancyName = getText(R.string.nowplaying_title);
}
} else if (mPlaylist.equals("podcasts")){
fancyName = getText(R.string.podcasts_title);
} else if (mPlaylist.equals("recentlyadded")){
fancyName = getText(R.string.recentlyadded_title);
} else {
String [] cols = new String [] {
MediaStore.Audio.Playlists.NAME
};
Cursor cursor = MusicUtils.query(this,
ContentUris.withAppendedId(Playlists.EXTERNAL_CONTENT_URI, Long.valueOf(mPlaylist)),
cols, null, null, null);
if (cursor != null) {
if (cursor.getCount() != 0) {
cursor.moveToFirst();
fancyName = cursor.getString(0);
}
cursor.deactivate();
}
}
} else if (mGenre != null) {
String [] cols = new String [] {
MediaStore.Audio.Genres.NAME
};
Cursor cursor = MusicUtils.query(this,
ContentUris.withAppendedId(MediaStore.Audio.Genres.EXTERNAL_CONTENT_URI, Long.valueOf(mGenre)),
cols, null, null, null);
if (cursor != null) {
if (cursor.getCount() != 0) {
cursor.moveToFirst();
fancyName = cursor.getString(0);
}
cursor.deactivate();
}
}
if (fancyName != null) {
setTitle(fancyName);
} else {
setTitle(R.string.tracks_title);
}
}
private TouchInterceptor.DragListener mDragListener =
new TouchInterceptor.DragListener() {
public void drag(int from, int to) {
if (mTrackCursor instanceof NowPlayingCursor) {
NowPlayingCursor c = (NowPlayingCursor) mTrackCursor;
c.moveItem(from, to);
((TrackListAdapter)getListAdapter()).notifyDataSetChanged();
getListView().invalidateViews();
mDeletedOneRow = true;
}
}
};
private TouchInterceptor.DropListener mDropListener =
new TouchInterceptor.DropListener() {
public void drop(int from, int to) {
if (mTrackCursor instanceof NowPlayingCursor) {
// update the currently playing list
NowPlayingCursor c = (NowPlayingCursor) mTrackCursor;
c.moveItem(from, to);
((TrackListAdapter)getListAdapter()).notifyDataSetChanged();
getListView().invalidateViews();
mDeletedOneRow = true;
} else {
// update a saved playlist
Uri baseUri = MediaStore.Audio.Playlists.Members.getContentUri("external",
Long.valueOf(mPlaylist));
ContentValues values = new ContentValues();
String where = MediaStore.Audio.Playlists.Members._ID + "=?";
String [] wherearg = new String[1];
ContentResolver res = getContentResolver();
int colidx = mTrackCursor.getColumnIndexOrThrow(
MediaStore.Audio.Playlists.Members.PLAY_ORDER);
if (from < to) {
// move the item to somewhere later in the list
mTrackCursor.moveToPosition(to);
int toidx = mTrackCursor.getInt(colidx);
mTrackCursor.moveToPosition(from);
values.put(MediaStore.Audio.Playlists.Members.PLAY_ORDER, toidx);
wherearg[0] = mTrackCursor.getString(0);
res.update(baseUri, values, where, wherearg);
for (int i = from + 1; i <= to; i++) {
mTrackCursor.moveToPosition(i);
values.put(MediaStore.Audio.Playlists.Members.PLAY_ORDER, i - 1);
wherearg[0] = mTrackCursor.getString(0);
res.update(baseUri, values, where, wherearg);
}
} else if (from > to) {
// move the item to somewhere earlier in the list
mTrackCursor.moveToPosition(to);
int toidx = mTrackCursor.getInt(colidx);
mTrackCursor.moveToPosition(from);
values.put(MediaStore.Audio.Playlists.Members.PLAY_ORDER, toidx);
wherearg[0] = mTrackCursor.getString(0);
res.update(baseUri, values, where, wherearg);
for (int i = from - 1; i >= to; i--) {
mTrackCursor.moveToPosition(i);
values.put(MediaStore.Audio.Playlists.Members.PLAY_ORDER, i + 1);
wherearg[0] = mTrackCursor.getString(0);
res.update(baseUri, values, where, wherearg);
}
}
}
}
};
private TouchInterceptor.RemoveListener mRemoveListener =
new TouchInterceptor.RemoveListener() {
public void remove(int which) {
removePlaylistItem(which);
}
};
private void removePlaylistItem(int which) {
View v = mTrackList.getChildAt(which - mTrackList.getFirstVisiblePosition());
try {
if (MusicUtils.sService != null
&& which != MusicUtils.sService.getQueuePosition()) {
mDeletedOneRow = true;
}
} catch (RemoteException e) {
// Service died, so nothing playing.
mDeletedOneRow = true;
}
v.setVisibility(View.GONE);
mTrackList.invalidateViews();
if (mTrackCursor instanceof NowPlayingCursor) {
((NowPlayingCursor)mTrackCursor).removeItem(which);
} else {
int colidx = mTrackCursor.getColumnIndexOrThrow(
MediaStore.Audio.Playlists.Members._ID);
mTrackCursor.moveToPosition(which);
long id = mTrackCursor.getLong(colidx);
Uri uri = MediaStore.Audio.Playlists.Members.getContentUri("external",
Long.valueOf(mPlaylist));
getContentResolver().delete(
ContentUris.withAppendedId(uri, id), null, null);
}
v.setVisibility(View.VISIBLE);
mTrackList.invalidateViews();
}
private BroadcastReceiver mTrackListListener = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
getListView().invalidateViews();
}
};
private BroadcastReceiver mNowPlayingListener = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(MediaPlaybackService.META_CHANGED)) {
getListView().invalidateViews();
} else if (intent.getAction().equals(MediaPlaybackService.QUEUE_CHANGED)) {
if (mDeletedOneRow) {
// This is the notification for a single row that was
// deleted previously, which is already reflected in
// the UI.
mDeletedOneRow = false;
return;
}
Cursor c = new NowPlayingCursor(MusicUtils.sService, mCursorCols);
if (c.getCount() == 0) {
finish();
return;
}
mAdapter.changeCursor(c);
}
}
};
@Override
public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo menuInfoIn) {
menu.add(0, PLAY_SELECTION, 0, R.string.play_selection);
SubMenu sub = menu.addSubMenu(0, ADD_TO_PLAYLIST, 0, R.string.add_to_playlist);
MusicUtils.makePlaylistMenu(this, sub);
if (mEditMode) {
menu.add(0, REMOVE, 0, R.string.remove_from_playlist);
}
menu.add(0, USE_AS_RINGTONE, 0, R.string.ringtone_menu);
menu.add(0, DELETE_ITEM, 0, R.string.delete_item);
menu.add(0, SEARCH, 0, R.string.search_title);
AdapterContextMenuInfo mi = (AdapterContextMenuInfo) menuInfoIn;
mSelectedPosition = mi.position;
mTrackCursor.moveToPosition(mSelectedPosition);
try {
int id_idx = mTrackCursor.getColumnIndexOrThrow(
MediaStore.Audio.Playlists.Members.AUDIO_ID);
mSelectedId = mTrackCursor.getInt(id_idx);
} catch (IllegalArgumentException ex) {
mSelectedId = mi.id;
}
mCurrentAlbumName = mTrackCursor.getString(mTrackCursor.getColumnIndexOrThrow(
MediaStore.Audio.Media.ALBUM));
mCurrentArtistNameForAlbum = mTrackCursor.getString(mTrackCursor.getColumnIndexOrThrow(
MediaStore.Audio.Media.ARTIST));
mCurrentTrackName = mTrackCursor.getString(mTrackCursor.getColumnIndexOrThrow(
MediaStore.Audio.Media.TITLE));
menu.setHeaderTitle(mCurrentTrackName);
}
@Override
public boolean onContextItemSelected(MenuItem item) {
switch (item.getItemId()) {
case PLAY_SELECTION: {
// play the track
int position = mSelectedPosition;
MusicUtils.playAll(this, mTrackCursor, position);
return true;
}
case QUEUE: {
int [] list = new int[] { (int) mSelectedId };
MusicUtils.addToCurrentPlaylist(this, list);
return true;
}
case NEW_PLAYLIST: {
Intent intent = new Intent();
intent.setClass(this, CreatePlaylist.class);
startActivityForResult(intent, NEW_PLAYLIST);
return true;
}
case PLAYLIST_SELECTED: {
int [] list = new int[] { (int) mSelectedId };
int playlist = item.getIntent().getIntExtra("playlist", 0);
MusicUtils.addToPlaylist(this, list, playlist);
return true;
}
case USE_AS_RINGTONE:
// Set the system setting to make this the current ringtone
MusicUtils.setRingtone(this, mSelectedId);
return true;
case DELETE_ITEM: {
int [] list = new int[1];
list[0] = (int) mSelectedId;
Bundle b = new Bundle();
String f = getString(R.string.delete_song_desc);
String desc = String.format(f, mCurrentTrackName);
b.putString("description", desc);
b.putIntArray("items", list);
Intent intent = new Intent();
intent.setClass(this, DeleteItems.class);
intent.putExtras(b);
startActivityForResult(intent, -1);
return true;
}
case REMOVE:
removePlaylistItem(mSelectedPosition);
return true;
case SEARCH:
doSearch();
return true;
}
return super.onContextItemSelected(item);
}
void doSearch() {
CharSequence title = null;
String query = null;
Intent i = new Intent();
i.setAction(MediaStore.INTENT_ACTION_MEDIA_SEARCH);
title = mCurrentAlbumName;
query = mCurrentArtistNameForAlbum + " " + mCurrentAlbumName;
i.putExtra(MediaStore.EXTRA_MEDIA_ARTIST, mCurrentArtistNameForAlbum);
i.putExtra(MediaStore.EXTRA_MEDIA_ALBUM, mCurrentAlbumName);
i.putExtra(MediaStore.EXTRA_MEDIA_FOCUS, "audio/*");
title = getString(R.string.mediasearch, title);
i.putExtra(SearchManager.QUERY, query);
startActivity(Intent.createChooser(i, title));
}
// In order to use alt-up/down as a shortcut for moving the selected item
// in the list, we need to override dispatchKeyEvent, not onKeyDown.
// (onKeyDown never sees these events, since they are handled by the list)
@Override
public boolean dispatchKeyEvent(KeyEvent event) {
if (mPlaylist != null && event.getMetaState() != 0 &&
event.getAction() == KeyEvent.ACTION_DOWN) {
switch (event.getKeyCode()) {
case KeyEvent.KEYCODE_DPAD_UP:
moveItem(true);
return true;
case KeyEvent.KEYCODE_DPAD_DOWN:
moveItem(false);
return true;
case KeyEvent.KEYCODE_DEL:
removeItem();
return true;
}
}
return super.dispatchKeyEvent(event);
}
private void removeItem() {
int curcount = mTrackCursor.getCount();
int curpos = mTrackList.getSelectedItemPosition();
if (curcount == 0 || curpos < 0) {
return;
}
if ("nowplaying".equals(mPlaylist)) {
// remove track from queue
// Work around bug 902971. To get quick visual feedback
// of the deletion of the item, hide the selected view.
try {
if (curpos != MusicUtils.sService.getQueuePosition()) {
mDeletedOneRow = true;
}
} catch (RemoteException ex) {
}
View v = mTrackList.getSelectedView();
v.setVisibility(View.GONE);
mTrackList.invalidateViews();
((NowPlayingCursor)mTrackCursor).removeItem(curpos);
v.setVisibility(View.VISIBLE);
mTrackList.invalidateViews();
} else {
// remove track from playlist
int colidx = mTrackCursor.getColumnIndexOrThrow(
MediaStore.Audio.Playlists.Members._ID);
mTrackCursor.moveToPosition(curpos);
long id = mTrackCursor.getLong(colidx);
Uri uri = MediaStore.Audio.Playlists.Members.getContentUri("external",
Long.valueOf(mPlaylist));
getContentResolver().delete(
ContentUris.withAppendedId(uri, id), null, null);
curcount--;
if (curcount == 0) {
finish();
} else {
mTrackList.setSelection(curpos < curcount ? curpos : curcount);
}
}
}
private void moveItem(boolean up) {
int curcount = mTrackCursor.getCount();
int curpos = mTrackList.getSelectedItemPosition();
if ( (up && curpos < 1) || (!up && curpos >= curcount - 1)) {
return;
}
if (mTrackCursor instanceof NowPlayingCursor) {
NowPlayingCursor c = (NowPlayingCursor) mTrackCursor;
c.moveItem(curpos, up ? curpos - 1 : curpos + 1);
((TrackListAdapter)getListAdapter()).notifyDataSetChanged();
getListView().invalidateViews();
mDeletedOneRow = true;
if (up) {
mTrackList.setSelection(curpos - 1);
} else {
mTrackList.setSelection(curpos + 1);
}
} else {
int colidx = mTrackCursor.getColumnIndexOrThrow(
MediaStore.Audio.Playlists.Members.PLAY_ORDER);
mTrackCursor.moveToPosition(curpos);
int currentplayidx = mTrackCursor.getInt(colidx);
Uri baseUri = MediaStore.Audio.Playlists.Members.getContentUri("external",
Long.valueOf(mPlaylist));
ContentValues values = new ContentValues();
String where = MediaStore.Audio.Playlists.Members._ID + "=?";
String [] wherearg = new String[1];
ContentResolver res = getContentResolver();
if (up) {
values.put(MediaStore.Audio.Playlists.Members.PLAY_ORDER, currentplayidx - 1);
wherearg[0] = mTrackCursor.getString(0);
res.update(baseUri, values, where, wherearg);
mTrackCursor.moveToPrevious();
} else {
values.put(MediaStore.Audio.Playlists.Members.PLAY_ORDER, currentplayidx + 1);
wherearg[0] = mTrackCursor.getString(0);
res.update(baseUri, values, where, wherearg);
mTrackCursor.moveToNext();
}
values.put(MediaStore.Audio.Playlists.Members.PLAY_ORDER, currentplayidx);
wherearg[0] = mTrackCursor.getString(0);
res.update(baseUri, values, where, wherearg);
}
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id)
{
if (mTrackCursor.getCount() == 0) {
return;
}
MusicUtils.playAll(this, mTrackCursor, position);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
/* This activity is used for a number of different browsing modes, and the menu can
* be different for each of them:
* - all tracks, optionally restricted to an album, artist or playlist
* - the list of currently playing songs
*/
super.onCreateOptionsMenu(menu);
if (mPlaylist == null) {
menu.add(0, PLAY_ALL, 0, R.string.play_all).setIcon(com.android.internal.R.drawable.ic_menu_play_clip);
}
menu.add(0, GOTO_START, 0, R.string.goto_start).setIcon(R.drawable.ic_menu_music_library);
menu.add(0, GOTO_PLAYBACK, 0, R.string.goto_playback).setIcon(R.drawable.ic_menu_playback)
.setVisible(MusicUtils.isMusicLoaded());
menu.add(0, SHUFFLE_ALL, 0, R.string.shuffle_all).setIcon(R.drawable.ic_menu_shuffle);
if (mPlaylist != null) {
menu.add(0, SAVE_AS_PLAYLIST, 0, R.string.save_as_playlist).setIcon(android.R.drawable.ic_menu_save);
if (mPlaylist.equals("nowplaying")) {
menu.add(0, CLEAR_PLAYLIST, 0, R.string.clear_playlist).setIcon(com.android.internal.R.drawable.ic_menu_clear_playlist);
}
}
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
Intent intent;
Cursor cursor;
switch (item.getItemId()) {
case PLAY_ALL: {
MusicUtils.playAll(this, mTrackCursor);
return true;
}
case GOTO_START:
intent = new Intent();
intent.setClass(this, MusicBrowserActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
return true;
case GOTO_PLAYBACK:
intent = new Intent("com.android.music.PLAYBACK_VIEWER");
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
return true;
case SHUFFLE_ALL:
// Should 'shuffle all' shuffle ALL, or only the tracks shown?
cursor = MusicUtils.query(this, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
new String [] { MediaStore.Audio.Media._ID},
MediaStore.Audio.Media.IS_MUSIC + "=1", null,
MediaStore.Audio.Media.DEFAULT_SORT_ORDER);
if (cursor != null) {
MusicUtils.shuffleAll(this, cursor);
cursor.close();
}
return true;
case SAVE_AS_PLAYLIST:
intent = new Intent();
intent.setClass(this, CreatePlaylist.class);
startActivityForResult(intent, SAVE_AS_PLAYLIST);
return true;
case CLEAR_PLAYLIST:
// We only clear the current playlist
MusicUtils.clearQueue();
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
switch (requestCode) {
case SCAN_DONE:
if (resultCode == RESULT_CANCELED) {
finish();
} else {
getTrackCursor(mAdapter.getQueryHandler(), null);
}
break;
case NEW_PLAYLIST:
if (resultCode == RESULT_OK) {
Uri uri = intent.getData();
if (uri != null) {
int [] list = new int[] { (int) mSelectedId };
MusicUtils.addToPlaylist(this, list, Integer.valueOf(uri.getLastPathSegment()));
}
}
break;
case SAVE_AS_PLAYLIST:
if (resultCode == RESULT_OK) {
Uri uri = intent.getData();
if (uri != null) {
int [] list = MusicUtils.getSongListForCursor(mTrackCursor);
int plid = Integer.parseInt(uri.getLastPathSegment());
MusicUtils.addToPlaylist(this, list, plid);
}
}
break;
}
}
private Cursor getTrackCursor(AsyncQueryHandler async, String filter) {
Cursor ret = null;
mSortOrder = MediaStore.Audio.Media.TITLE_KEY;
StringBuilder where = new StringBuilder();
where.append(MediaStore.Audio.Media.TITLE + " != ''");
// Add in the filtering constraints
String [] keywords = null;
if (filter != null) {
String [] searchWords = filter.split(" ");
keywords = new String[searchWords.length];
Collator col = Collator.getInstance();
col.setStrength(Collator.PRIMARY);
for (int i = 0; i < searchWords.length; i++) {
keywords[i] = '%' + MediaStore.Audio.keyFor(searchWords[i]) + '%';
}
for (int i = 0; i < searchWords.length; i++) {
where.append(" AND ");
where.append(MediaStore.Audio.Media.ARTIST_KEY + "||");
where.append(MediaStore.Audio.Media.ALBUM_KEY + "||");
where.append(MediaStore.Audio.Media.TITLE_KEY + " LIKE ?");
}
}
if (mGenre != null) {
mSortOrder = MediaStore.Audio.Genres.Members.DEFAULT_SORT_ORDER;
if (async != null) {
async.startQuery(0, null,
MediaStore.Audio.Genres.Members.getContentUri("external",
Integer.valueOf(mGenre)),
mCursorCols, where.toString(), keywords, mSortOrder);
ret = null;
} else {
ret = MusicUtils.query(this,
MediaStore.Audio.Genres.Members.getContentUri("external", Integer.valueOf(mGenre)),
mCursorCols, where.toString(), keywords, mSortOrder);
}
} else if (mPlaylist != null) {
if (mPlaylist.equals("nowplaying")) {
if (MusicUtils.sService != null) {
ret = new NowPlayingCursor(MusicUtils.sService, mCursorCols);
if (ret.getCount() == 0) {
finish();
}
} else {
// Nothing is playing.
}
} else if (mPlaylist.equals("podcasts")) {
where.append(" AND " + MediaStore.Audio.Media.IS_PODCAST + "=1");
if (async != null) {
async.startQuery(0, null,
MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, mCursorCols,
where.toString(), keywords, MediaStore.Audio.Media.DEFAULT_SORT_ORDER);
ret = null;
} else {
ret = MusicUtils.query(this,
MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, mCursorCols,
where.toString(), keywords, MediaStore.Audio.Media.DEFAULT_SORT_ORDER);
}
} else if (mPlaylist.equals("recentlyadded")) {
// do a query for all songs added in the last X weeks
int X = MusicUtils.getIntPref(this, "numweeks", 2) * (3600 * 24 * 7);
where.append(" AND " + MediaStore.MediaColumns.DATE_ADDED + ">");
where.append(System.currentTimeMillis() / 1000 - X);
if (async != null) {
async.startQuery(0, null,
MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, mCursorCols,
where.toString(), keywords, MediaStore.Audio.Media.DEFAULT_SORT_ORDER);
ret = null;
} else {
ret = MusicUtils.query(this,
MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, mCursorCols,
where.toString(), keywords, MediaStore.Audio.Media.DEFAULT_SORT_ORDER);
}
} else {
mSortOrder = MediaStore.Audio.Playlists.Members.DEFAULT_SORT_ORDER;
if (async != null) {
async.startQuery(0, null,
MediaStore.Audio.Playlists.Members.getContentUri("external", Long.valueOf(mPlaylist)),
mPlaylistMemberCols, where.toString(), keywords, mSortOrder);
ret = null;
} else {
ret = MusicUtils.query(this,
MediaStore.Audio.Playlists.Members.getContentUri("external", Long.valueOf(mPlaylist)),
mPlaylistMemberCols, where.toString(), keywords, mSortOrder);
}
}
} else {
if (mAlbumId != null) {
where.append(" AND " + MediaStore.Audio.Media.ALBUM_ID + "=" + mAlbumId);
mSortOrder = MediaStore.Audio.Media.TRACK + ", " + mSortOrder;
}
if (mArtistId != null) {
where.append(" AND " + MediaStore.Audio.Media.ARTIST_ID + "=" + mArtistId);
}
where.append(" AND " + MediaStore.Audio.Media.IS_MUSIC + "=1");
if (async != null) {
async.startQuery(0, null,
MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
mCursorCols, where.toString() , keywords, mSortOrder);
ret = null;
} else {
ret = MusicUtils.query(this, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
mCursorCols, where.toString() , keywords, mSortOrder);
}
}
// This special case is for the "nowplaying" cursor, which cannot be handled
// asynchronously using AsyncQueryHandler, so we do some extra initialization here.
if (ret != null && async != null) {
init(ret);
setTitle();
}
return ret;
}
private class NowPlayingCursor extends AbstractCursor
{
public NowPlayingCursor(IMediaPlaybackService service, String [] cols)
{
mCols = cols;
mService = service;
makeNowPlayingCursor();
}
private void makeNowPlayingCursor() {
mCurrentPlaylistCursor = null;
try {
mNowPlaying = mService.getQueue();
} catch (RemoteException ex) {
mNowPlaying = new int[0];
}
mSize = mNowPlaying.length;
if (mSize == 0) {
return;
}
StringBuilder where = new StringBuilder();
where.append(MediaStore.Audio.Media._ID + " IN (");
for (int i = 0; i < mSize; i++) {
where.append(mNowPlaying[i]);
if (i < mSize - 1) {
where.append(",");
}
}
where.append(")");
mCurrentPlaylistCursor = MusicUtils.query(TrackBrowserActivity.this,
MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
mCols, where.toString(), null, MediaStore.Audio.Media._ID);
if (mCurrentPlaylistCursor == null) {
mSize = 0;
return;
}
int size = mCurrentPlaylistCursor.getCount();
mCursorIdxs = new int[size];
mCurrentPlaylistCursor.moveToFirst();
int colidx = mCurrentPlaylistCursor.getColumnIndexOrThrow(MediaStore.Audio.Media._ID);
for (int i = 0; i < size; i++) {
mCursorIdxs[i] = mCurrentPlaylistCursor.getInt(colidx);
mCurrentPlaylistCursor.moveToNext();
}
mCurrentPlaylistCursor.moveToFirst();
mCurPos = -1;
// At this point we can verify the 'now playing' list we got
// earlier to make sure that all the items in there still exist
// in the database, and remove those that aren't. This way we
// don't get any blank items in the list.
try {
int removed = 0;
for (int i = mNowPlaying.length - 1; i >= 0; i--) {
int trackid = mNowPlaying[i];
int crsridx = Arrays.binarySearch(mCursorIdxs, trackid);
if (crsridx < 0) {
//Log.i("@@@@@", "item no longer exists in db: " + trackid);
removed += mService.removeTrack(trackid);
}
}
if (removed > 0) {
mNowPlaying = mService.getQueue();
mSize = mNowPlaying.length;
if (mSize == 0) {
mCursorIdxs = null;
return;
}
}
} catch (RemoteException ex) {
mNowPlaying = new int[0];
}
}
@Override
public int getCount()
{
return mSize;
}
@Override
public boolean onMove(int oldPosition, int newPosition)
{
if (oldPosition == newPosition)
return true;
if (mNowPlaying == null || mCursorIdxs == null) {
return false;
}
// The cursor doesn't have any duplicates in it, and is not ordered
// in queue-order, so we need to figure out where in the cursor we
// should be.
int newid = mNowPlaying[newPosition];
int crsridx = Arrays.binarySearch(mCursorIdxs, newid);
mCurrentPlaylistCursor.moveToPosition(crsridx);
mCurPos = newPosition;
return true;
}
public boolean removeItem(int which)
{
try {
if (mService.removeTracks(which, which) == 0) {
return false; // delete failed
}
int i = (int) which;
mSize--;
while (i < mSize) {
mNowPlaying[i] = mNowPlaying[i+1];
i++;
}
onMove(-1, (int) mCurPos);
} catch (RemoteException ex) {
}
return true;
}
public void moveItem(int from, int to) {
try {
mService.moveQueueItem(from, to);
mNowPlaying = mService.getQueue();
onMove(-1, mCurPos); // update the underlying cursor
} catch (RemoteException ex) {
}
}
private void dump() {
String where = "(";
for (int i = 0; i < mSize; i++) {
where += mNowPlaying[i];
if (i < mSize - 1) {
where += ",";
}
}
where += ")";
Log.i("NowPlayingCursor: ", where);
}
@Override
public String getString(int column)
{
try {
return mCurrentPlaylistCursor.getString(column);
} catch (Exception ex) {
onChange(true);
return "";
}
}
@Override
public short getShort(int column)
{
return mCurrentPlaylistCursor.getShort(column);
}
@Override
public int getInt(int column)
{
try {
return mCurrentPlaylistCursor.getInt(column);
} catch (Exception ex) {
onChange(true);
return 0;
}
}
@Override
public long getLong(int column)
{
try {
return mCurrentPlaylistCursor.getLong(column);
} catch (Exception ex) {
onChange(true);
return 0;
}
}
@Override
public float getFloat(int column)
{
return mCurrentPlaylistCursor.getFloat(column);
}
@Override
public double getDouble(int column)
{
return mCurrentPlaylistCursor.getDouble(column);
}
@Override
public boolean isNull(int column)
{
return mCurrentPlaylistCursor.isNull(column);
}
@Override
public String[] getColumnNames()
{
return mCols;
}
@Override
public void deactivate()
{
if (mCurrentPlaylistCursor != null)
mCurrentPlaylistCursor.deactivate();
}
@Override
public boolean requery()
{
makeNowPlayingCursor();
return true;
}
private String [] mCols;
private Cursor mCurrentPlaylistCursor; // updated in onMove
private int mSize; // size of the queue
private int[] mNowPlaying;
private int[] mCursorIdxs;
private int mCurPos;
private IMediaPlaybackService mService;
}
static class TrackListAdapter extends SimpleCursorAdapter implements SectionIndexer {
boolean mIsNowPlaying;
boolean mDisableNowPlayingIndicator;
int mTitleIdx;
int mArtistIdx;
int mAlbumIdx;
int mDurationIdx;
int mAudioIdIdx;
private final StringBuilder mBuilder = new StringBuilder();
private final String mUnknownArtist;
private final String mUnknownAlbum;
private AlphabetIndexer mIndexer;
private TrackBrowserActivity mActivity = null;
private AsyncQueryHandler mQueryHandler;
private String mConstraint = null;
private boolean mConstraintIsValid = false;
class ViewHolder {
TextView line1;
TextView line2;
TextView duration;
ImageView play_indicator;
CharArrayBuffer buffer1;
char [] buffer2;
}
class QueryHandler extends AsyncQueryHandler {
QueryHandler(ContentResolver res) {
super(res);
}
@Override
protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
//Log.i("@@@", "query complete: " + cursor.getCount() + " " + mActivity);
mActivity.init(cursor);
}
}
TrackListAdapter(Context context, TrackBrowserActivity currentactivity,
int layout, Cursor cursor, String[] from, int[] to,
boolean isnowplaying, boolean disablenowplayingindicator) {
super(context, layout, cursor, from, to);
mActivity = currentactivity;
getColumnIndices(cursor);
mIsNowPlaying = isnowplaying;
mDisableNowPlayingIndicator = disablenowplayingindicator;
mUnknownArtist = context.getString(R.string.unknown_artist_name);
mUnknownAlbum = context.getString(R.string.unknown_album_name);
mQueryHandler = new QueryHandler(context.getContentResolver());
}
public void setActivity(TrackBrowserActivity newactivity) {
mActivity = newactivity;
}
public AsyncQueryHandler getQueryHandler() {
return mQueryHandler;
}
private void getColumnIndices(Cursor cursor) {
if (cursor != null) {
mTitleIdx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Media.TITLE);
mArtistIdx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Media.ARTIST);
mAlbumIdx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Media.ALBUM);
mDurationIdx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Media.DURATION);
try {
mAudioIdIdx = cursor.getColumnIndexOrThrow(
MediaStore.Audio.Playlists.Members.AUDIO_ID);
} catch (IllegalArgumentException ex) {
mAudioIdIdx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Media._ID);
}
if (mIndexer != null) {
mIndexer.setCursor(cursor);
} else if (!mActivity.mEditMode) {
String alpha = mActivity.getString(
com.android.internal.R.string.fast_scroll_alphabet);
mIndexer = new MusicAlphabetIndexer(cursor, mTitleIdx, alpha);
}
}
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
View v = super.newView(context, cursor, parent);
ImageView iv = (ImageView) v.findViewById(R.id.icon);
if (mActivity.mEditMode) {
iv.setVisibility(View.VISIBLE);
iv.setImageResource(R.drawable.ic_mp_move);
} else {
iv.setVisibility(View.GONE);
}
ViewHolder vh = new ViewHolder();
vh.line1 = (TextView) v.findViewById(R.id.line1);
vh.line2 = (TextView) v.findViewById(R.id.line2);
vh.duration = (TextView) v.findViewById(R.id.duration);
vh.play_indicator = (ImageView) v.findViewById(R.id.play_indicator);
vh.buffer1 = new CharArrayBuffer(100);
vh.buffer2 = new char[200];
v.setTag(vh);
return v;
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
ViewHolder vh = (ViewHolder) view.getTag();
cursor.copyStringToBuffer(mTitleIdx, vh.buffer1);
vh.line1.setText(vh.buffer1.data, 0, vh.buffer1.sizeCopied);
int secs = cursor.getInt(mDurationIdx) / 1000;
if (secs == 0) {
vh.duration.setText("");
} else {
vh.duration.setText(MusicUtils.makeTimeString(context, secs));
}
final StringBuilder builder = mBuilder;
builder.delete(0, builder.length());
String name = cursor.getString(mArtistIdx);
if (name == null || name.equals(MediaFile.UNKNOWN_STRING)) {
builder.append(mUnknownArtist);
} else {
builder.append(name);
}
int len = builder.length();
if (vh.buffer2.length < len) {
vh.buffer2 = new char[len];
}
builder.getChars(0, len, vh.buffer2, 0);
vh.line2.setText(vh.buffer2, 0, len);
ImageView iv = vh.play_indicator;
int id = -1;
if (MusicUtils.sService != null) {
// TODO: IPC call on each bind??
try {
if (mIsNowPlaying) {
id = MusicUtils.sService.getQueuePosition();
} else {
id = MusicUtils.sService.getAudioId();
}
} catch (RemoteException ex) {
}
}
// Determining whether and where to show the "now playing indicator
// is tricky, because we don't actually keep track of where the songs
// in the current playlist came from after they've started playing.
//
// If the "current playlists" is shown, then we can simply match by position,
// otherwise, we need to match by id. Match-by-id gets a little weird if
// a song appears in a playlist more than once, and you're in edit-playlist
// mode. In that case, both items will have the "now playing" indicator.
// For this reason, we don't show the play indicator at all when in edit
// playlist mode (except when you're viewing the "current playlist",
// which is not really a playlist)
if ( (mIsNowPlaying && cursor.getPosition() == id) ||
(!mIsNowPlaying && !mDisableNowPlayingIndicator && cursor.getInt(mAudioIdIdx) == id)) {
iv.setImageResource(R.drawable.indicator_ic_mp_playing_list);
iv.setVisibility(View.VISIBLE);
} else {
iv.setVisibility(View.GONE);
}
}
@Override
public void changeCursor(Cursor cursor) {
if (cursor != mActivity.mTrackCursor) {
mActivity.mTrackCursor = cursor;
super.changeCursor(cursor);
getColumnIndices(cursor);
}
}
@Override
public Cursor runQueryOnBackgroundThread(CharSequence constraint) {
String s = constraint.toString();
if (mConstraintIsValid && (
(s == null && mConstraint == null) ||
(s != null && s.equals(mConstraint)))) {
return getCursor();
}
Cursor c = mActivity.getTrackCursor(null, s);
mConstraint = s;
mConstraintIsValid = true;
return c;
}
// SectionIndexer methods
public Object[] getSections() {
if (mIndexer != null) {
return mIndexer.getSections();
} else {
return null;
}
}
public int getPositionForSection(int section) {
int pos = mIndexer.getPositionForSection(section);
return pos;
}
public int getSectionForPosition(int position) {
return 0;
}
}
}
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