| /* |
| * 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 com.android.music.MusicUtils.ServiceToken; |
| |
| import android.app.ListActivity; |
| import android.content.AsyncQueryHandler; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.ContentResolver; |
| import android.content.ContentUris; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.ServiceConnection; |
| import android.database.Cursor; |
| import android.database.MatrixCursor; |
| import android.database.MergeCursor; |
| import android.database.sqlite.SQLiteException; |
| import android.media.AudioManager; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Message; |
| import android.provider.MediaStore; |
| import android.util.Log; |
| import android.view.ContextMenu; |
| import android.view.Menu; |
| import android.view.MenuItem; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.Window; |
| import android.view.ContextMenu.ContextMenuInfo; |
| import android.widget.ImageView; |
| import android.widget.ListView; |
| import android.widget.SimpleCursorAdapter; |
| import android.widget.TextView; |
| import android.widget.Toast; |
| import android.widget.AdapterView.AdapterContextMenuInfo; |
| |
| import java.text.Collator; |
| import java.util.ArrayList; |
| |
| public class PlaylistBrowserActivity |
| extends ListActivity implements View.OnCreateContextMenuListener, MusicUtils.Defs { |
| private static final String TAG = "PlaylistBrowserActivity"; |
| private static final int DELETE_PLAYLIST = CHILD_MENU_BASE + 1; |
| private static final int EDIT_PLAYLIST = CHILD_MENU_BASE + 2; |
| private static final int RENAME_PLAYLIST = CHILD_MENU_BASE + 3; |
| private static final int CHANGE_WEEKS = CHILD_MENU_BASE + 4; |
| private static final long RECENTLY_ADDED_PLAYLIST = -1; |
| private static final long ALL_SONGS_PLAYLIST = -2; |
| private static final long PODCASTS_PLAYLIST = -3; |
| private PlaylistListAdapter mAdapter; |
| boolean mAdapterSent; |
| private static int mLastListPosCourse = -1; |
| private static int mLastListPosFine = -1; |
| |
| private boolean mCreateShortcut; |
| private ServiceToken mToken; |
| |
| public PlaylistBrowserActivity() {} |
| |
| /** Called when the activity is first created. */ |
| @Override |
| public void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| |
| final Intent intent = getIntent(); |
| final String action = intent.getAction(); |
| if (Intent.ACTION_CREATE_SHORTCUT.equals(action)) { |
| mCreateShortcut = true; |
| } |
| |
| requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); |
| requestWindowFeature(Window.FEATURE_NO_TITLE); |
| setVolumeControlStream(AudioManager.STREAM_MUSIC); |
| mToken = MusicUtils.bindToService(this, new ServiceConnection() { |
| public void onServiceConnected(ComponentName classname, IBinder obj) { |
| if (Intent.ACTION_VIEW.equals(action)) { |
| Bundle b = intent.getExtras(); |
| if (b == null) { |
| Log.w(TAG, "Unexpected:getExtras() returns null."); |
| } else { |
| try { |
| long id = Long.parseLong(b.getString("playlist")); |
| if (id == RECENTLY_ADDED_PLAYLIST) { |
| playRecentlyAdded(); |
| } else if (id == PODCASTS_PLAYLIST) { |
| playPodcasts(); |
| } else if (id == ALL_SONGS_PLAYLIST) { |
| long[] list = MusicUtils.getAllSongs(PlaylistBrowserActivity.this); |
| if (list != null) { |
| MusicUtils.playAll(PlaylistBrowserActivity.this, list, 0); |
| } |
| } else { |
| MusicUtils.playPlaylist(PlaylistBrowserActivity.this, id); |
| } |
| } catch (NumberFormatException e) { |
| Log.w(TAG, "Playlist id missing or broken"); |
| } |
| } |
| finish(); |
| return; |
| } |
| MusicUtils.updateNowPlaying(PlaylistBrowserActivity.this); |
| } |
| |
| public void onServiceDisconnected(ComponentName classname) {} |
| |
| }); |
| 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); |
| |
| setContentView(R.layout.media_picker_activity); |
| MusicUtils.updateButtonBar(this, R.id.playlisttab); |
| ListView lv = getListView(); |
| lv.setOnCreateContextMenuListener(this); |
| lv.setTextFilterEnabled(true); |
| |
| mAdapter = (PlaylistListAdapter) getLastNonConfigurationInstance(); |
| if (mAdapter == null) { |
| // Log.i("@@@", "starting query"); |
| mAdapter = new PlaylistListAdapter(getApplication(), this, R.layout.track_list_item, |
| mPlaylistCursor, new String[] {MediaStore.Audio.Playlists.NAME}, |
| new int[] {android.R.id.text1}); |
| setListAdapter(mAdapter); |
| setTitle(R.string.working_playlists); |
| getPlaylistCursor(mAdapter.getQueryHandler(), null); |
| } else { |
| mAdapter.setActivity(this); |
| setListAdapter(mAdapter); |
| mPlaylistCursor = mAdapter.getCursor(); |
| // If mPlaylistCursor 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 (mPlaylistCursor != null) { |
| init(mPlaylistCursor); |
| } else { |
| setTitle(R.string.working_playlists); |
| getPlaylistCursor(mAdapter.getQueryHandler(), null); |
| } |
| } |
| } |
| |
| @Override |
| public Object onRetainNonConfigurationInstance() { |
| PlaylistListAdapter a = mAdapter; |
| mAdapterSent = true; |
| return a; |
| } |
| |
| @Override |
| public void onDestroy() { |
| ListView lv = getListView(); |
| if (lv != null) { |
| mLastListPosCourse = lv.getFirstVisiblePosition(); |
| View cv = lv.getChildAt(0); |
| if (cv != null) { |
| mLastListPosFine = cv.getTop(); |
| } |
| } |
| MusicUtils.unbindFromService(mToken); |
| // If we have an adapter and didn't send it off to another activity yet, we should |
| // close its cursor, which we do by assigning a null cursor to it. Doing this |
| // instead of closing the cursor directly keeps the framework from accessing |
| // the closed cursor later. |
| if (!mAdapterSent && mAdapter != null) { |
| mAdapter.changeCursor(null); |
| } |
| // Because we pass the adapter to the next activity, we need to make |
| // sure it doesn't keep a reference to this activity. We can do this |
| // by clearing its DatasetObservers, which setListAdapter(null) does. |
| setListAdapter(null); |
| mAdapter = null; |
| unregisterReceiver(mScanListener); |
| super.onDestroy(); |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| |
| MusicUtils.setSpinnerState(this); |
| MusicUtils.updateNowPlaying(PlaylistBrowserActivity.this); |
| } |
| @Override |
| public void onPause() { |
| mReScanHandler.removeCallbacksAndMessages(null); |
| super.onPause(); |
| } |
| private BroadcastReceiver mScanListener = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| MusicUtils.setSpinnerState(PlaylistBrowserActivity.this); |
| mReScanHandler.sendEmptyMessage(0); |
| } |
| }; |
| |
| private Handler mReScanHandler = new Handler() { |
| @Override |
| public void handleMessage(Message msg) { |
| if (mAdapter != null) { |
| getPlaylistCursor(mAdapter.getQueryHandler(), null); |
| } |
| } |
| }; |
| public void init(Cursor cursor) { |
| if (mAdapter == null) { |
| return; |
| } |
| mAdapter.changeCursor(cursor); |
| |
| if (mPlaylistCursor == null) { |
| MusicUtils.displayDatabaseError(this); |
| closeContextMenu(); |
| mReScanHandler.sendEmptyMessageDelayed(0, 1000); |
| return; |
| } |
| |
| // restore previous position |
| if (mLastListPosCourse >= 0) { |
| getListView().setSelectionFromTop(mLastListPosCourse, mLastListPosFine); |
| mLastListPosCourse = -1; |
| } |
| MusicUtils.hideDatabaseError(this); |
| MusicUtils.updateButtonBar(this, R.id.playlisttab); |
| setTitle(); |
| } |
| |
| private void setTitle() { |
| setTitle(R.string.playlists_title); |
| } |
| |
| @Override |
| public boolean onCreateOptionsMenu(Menu menu) { |
| if (!mCreateShortcut) { |
| menu.add(0, PARTY_SHUFFLE, 0, |
| R.string.party_shuffle); // icon will be set in onPrepareOptionsMenu() |
| } |
| return super.onCreateOptionsMenu(menu); |
| } |
| |
| @Override |
| public boolean onPrepareOptionsMenu(Menu menu) { |
| MusicUtils.setPartyShuffleMenuIcon(menu); |
| return super.onPrepareOptionsMenu(menu); |
| } |
| |
| @Override |
| public boolean onOptionsItemSelected(MenuItem item) { |
| Intent intent; |
| switch (item.getItemId()) { |
| case PARTY_SHUFFLE: |
| MusicUtils.togglePartyShuffle(); |
| break; |
| } |
| return super.onOptionsItemSelected(item); |
| } |
| |
| public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo menuInfoIn) { |
| if (mCreateShortcut) { |
| return; |
| } |
| |
| AdapterContextMenuInfo mi = (AdapterContextMenuInfo) menuInfoIn; |
| |
| menu.add(0, PLAY_SELECTION, 0, R.string.play_selection); |
| |
| if (mi.id >= 0 /*|| mi.id == PODCASTS_PLAYLIST*/) { |
| menu.add(0, DELETE_PLAYLIST, 0, R.string.delete_playlist_menu); |
| } |
| |
| if (mi.id == RECENTLY_ADDED_PLAYLIST) { |
| menu.add(0, EDIT_PLAYLIST, 0, R.string.edit_playlist_menu); |
| } |
| |
| if (mi.id >= 0) { |
| menu.add(0, RENAME_PLAYLIST, 0, R.string.rename_playlist_menu); |
| } |
| |
| mPlaylistCursor.moveToPosition(mi.position); |
| menu.setHeaderTitle(mPlaylistCursor.getString( |
| mPlaylistCursor.getColumnIndexOrThrow(MediaStore.Audio.Playlists.NAME))); |
| } |
| |
| @Override |
| public boolean onContextItemSelected(MenuItem item) { |
| AdapterContextMenuInfo mi = (AdapterContextMenuInfo) item.getMenuInfo(); |
| switch (item.getItemId()) { |
| case PLAY_SELECTION: |
| if (mi.id == RECENTLY_ADDED_PLAYLIST) { |
| playRecentlyAdded(); |
| } else if (mi.id == PODCASTS_PLAYLIST) { |
| playPodcasts(); |
| } else { |
| MusicUtils.playPlaylist(this, mi.id); |
| } |
| break; |
| case DELETE_PLAYLIST: |
| Uri uri = ContentUris.withAppendedId( |
| MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI, mi.id); |
| getContentResolver().delete(uri, null, null); |
| Toast.makeText(this, R.string.playlist_deleted_message, Toast.LENGTH_SHORT).show(); |
| if (mPlaylistCursor.getCount() == 0) { |
| setTitle(R.string.no_playlists_title); |
| } |
| break; |
| case EDIT_PLAYLIST: |
| if (mi.id == RECENTLY_ADDED_PLAYLIST) { |
| Intent intent = new Intent(); |
| intent.setClass(this, WeekSelector.class); |
| startActivityForResult(intent, CHANGE_WEEKS); |
| return true; |
| } else { |
| Log.e(TAG, "should not be here"); |
| } |
| break; |
| case RENAME_PLAYLIST: |
| Intent intent = new Intent(); |
| intent.setClass(this, RenamePlaylist.class); |
| intent.putExtra("rename", mi.id); |
| startActivityForResult(intent, RENAME_PLAYLIST); |
| break; |
| } |
| return true; |
| } |
| |
| @Override |
| protected void onActivityResult(int requestCode, int resultCode, Intent intent) { |
| switch (requestCode) { |
| case SCAN_DONE: |
| if (resultCode == RESULT_CANCELED) { |
| finish(); |
| } else if (mAdapter != null) { |
| getPlaylistCursor(mAdapter.getQueryHandler(), null); |
| } |
| break; |
| } |
| } |
| |
| @Override |
| protected void onListItemClick(ListView l, View v, int position, long id) { |
| if (mCreateShortcut) { |
| final Intent shortcut = new Intent(); |
| shortcut.setAction(Intent.ACTION_VIEW); |
| shortcut.setDataAndType(Uri.EMPTY, "vnd.android.cursor.dir/playlist"); |
| shortcut.putExtra("playlist", String.valueOf(id)); |
| |
| final Intent intent = new Intent(); |
| intent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcut); |
| intent.putExtra( |
| Intent.EXTRA_SHORTCUT_NAME, ((TextView) v.findViewById(R.id.line1)).getText()); |
| intent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, |
| Intent.ShortcutIconResource.fromContext( |
| this, R.drawable.ic_launcher_shortcut_music_playlist)); |
| |
| setResult(RESULT_OK, intent); |
| finish(); |
| return; |
| } |
| if (id == RECENTLY_ADDED_PLAYLIST) { |
| Intent intent = new Intent(Intent.ACTION_PICK); |
| intent.setDataAndType(Uri.EMPTY, "vnd.android.cursor.dir/track"); |
| intent.putExtra("playlist", "recentlyadded"); |
| startActivity(intent); |
| } else if (id == PODCASTS_PLAYLIST) { |
| Intent intent = new Intent(Intent.ACTION_PICK); |
| intent.setDataAndType(Uri.EMPTY, "vnd.android.cursor.dir/track"); |
| intent.putExtra("playlist", "podcasts"); |
| startActivity(intent); |
| } else { |
| Intent intent = new Intent(Intent.ACTION_EDIT); |
| intent.setDataAndType(Uri.EMPTY, "vnd.android.cursor.dir/track"); |
| intent.putExtra("playlist", Long.valueOf(id).toString()); |
| startActivity(intent); |
| } |
| } |
| |
| private void playRecentlyAdded() { |
| // do a query for all songs added in the last X weeks |
| int X = MusicUtils.getIntPref(this, "numweeks", 2) * (3600 * 24 * 7); |
| final String[] ccols = new String[] {MediaStore.Audio.Media._ID}; |
| String where = |
| MediaStore.MediaColumns.DATE_ADDED + ">" + (System.currentTimeMillis() / 1000 - X); |
| Cursor cursor = MusicUtils.query(this, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, ccols, |
| where, null, MediaStore.Audio.Media.DEFAULT_SORT_ORDER); |
| |
| if (cursor == null) { |
| // Todo: show a message |
| return; |
| } |
| try { |
| int len = cursor.getCount(); |
| long[] list = new long[len]; |
| for (int i = 0; i < len; i++) { |
| cursor.moveToNext(); |
| list[i] = cursor.getLong(0); |
| } |
| MusicUtils.playAll(this, list, 0); |
| } catch (SQLiteException ex) { |
| } finally { |
| cursor.close(); |
| } |
| } |
| |
| private void playPodcasts() { |
| // do a query for all files that are podcasts |
| final String[] ccols = new String[] {MediaStore.Audio.Media._ID}; |
| Cursor cursor = MusicUtils.query(this, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, ccols, |
| MediaStore.Audio.Media.IS_PODCAST + "=1", null, |
| MediaStore.Audio.Media.DEFAULT_SORT_ORDER); |
| |
| if (cursor == null) { |
| // Todo: show a message |
| return; |
| } |
| try { |
| int len = cursor.getCount(); |
| long[] list = new long[len]; |
| for (int i = 0; i < len; i++) { |
| cursor.moveToNext(); |
| list[i] = cursor.getLong(0); |
| } |
| MusicUtils.playAll(this, list, 0); |
| } catch (SQLiteException ex) { |
| } finally { |
| cursor.close(); |
| } |
| } |
| |
| String[] mCols = new String[] {MediaStore.Audio.Playlists._ID, MediaStore.Audio.Playlists.NAME}; |
| |
| private Cursor getPlaylistCursor(AsyncQueryHandler async, String filterstring) { |
| StringBuilder where = new StringBuilder(); |
| where.append(MediaStore.Audio.Playlists.NAME + " != ''"); |
| |
| // Add in the filtering constraints |
| String[] keywords = null; |
| if (filterstring != null) { |
| String[] searchWords = filterstring.split(" "); |
| keywords = new String[searchWords.length]; |
| Collator col = Collator.getInstance(); |
| col.setStrength(Collator.PRIMARY); |
| for (int i = 0; i < searchWords.length; i++) { |
| keywords[i] = '%' + searchWords[i] + '%'; |
| } |
| for (int i = 0; i < searchWords.length; i++) { |
| where.append(" AND "); |
| where.append(MediaStore.Audio.Playlists.NAME + " LIKE ?"); |
| } |
| } |
| |
| String whereclause = where.toString(); |
| |
| if (async != null) { |
| async.startQuery(0, null, MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI, mCols, |
| whereclause, keywords, MediaStore.Audio.Playlists.NAME); |
| return null; |
| } |
| Cursor c = null; |
| c = MusicUtils.query(this, MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI, mCols, |
| whereclause, keywords, MediaStore.Audio.Playlists.NAME); |
| |
| return mergedCursor(c); |
| } |
| |
| private Cursor mergedCursor(Cursor c) { |
| if (c == null) { |
| return null; |
| } |
| if (c instanceof MergeCursor) { |
| // this shouldn't happen, but fail gracefully |
| Log.d("PlaylistBrowserActivity", "Already wrapped"); |
| return c; |
| } |
| MatrixCursor autoplaylistscursor = new MatrixCursor(mCols); |
| if (mCreateShortcut) { |
| ArrayList<Object> all = new ArrayList<Object>(2); |
| all.add(ALL_SONGS_PLAYLIST); |
| all.add(getString(R.string.play_all)); |
| autoplaylistscursor.addRow(all); |
| } |
| ArrayList<Object> recent = new ArrayList<Object>(2); |
| recent.add(RECENTLY_ADDED_PLAYLIST); |
| recent.add(getString(R.string.recentlyadded)); |
| autoplaylistscursor.addRow(recent); |
| |
| // check if there are any podcasts |
| Cursor counter = MusicUtils.query(this, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, |
| new String[] {"count(*)"}, "is_podcast=1", null, null); |
| if (counter != null) { |
| counter.moveToFirst(); |
| int numpodcasts = counter.getInt(0); |
| counter.close(); |
| if (numpodcasts > 0) { |
| ArrayList<Object> podcasts = new ArrayList<Object>(2); |
| podcasts.add(PODCASTS_PLAYLIST); |
| podcasts.add(getString(R.string.podcasts_listitem)); |
| autoplaylistscursor.addRow(podcasts); |
| } |
| } |
| |
| Cursor cc = new MergeCursor(new Cursor[] {autoplaylistscursor, c}); |
| return cc; |
| } |
| |
| static class PlaylistListAdapter extends SimpleCursorAdapter { |
| int mTitleIdx; |
| int mIdIdx; |
| private PlaylistBrowserActivity mActivity = null; |
| private AsyncQueryHandler mQueryHandler; |
| private String mConstraint = null; |
| private boolean mConstraintIsValid = false; |
| |
| 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); |
| if (cursor != null) { |
| cursor = mActivity.mergedCursor(cursor); |
| } |
| mActivity.init(cursor); |
| } |
| } |
| |
| PlaylistListAdapter(Context context, PlaylistBrowserActivity currentactivity, int layout, |
| Cursor cursor, String[] from, int[] to) { |
| super(context, layout, cursor, from, to); |
| mActivity = currentactivity; |
| getColumnIndices(cursor); |
| mQueryHandler = new QueryHandler(context.getContentResolver()); |
| } |
| private void getColumnIndices(Cursor cursor) { |
| if (cursor != null) { |
| mTitleIdx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Playlists.NAME); |
| mIdIdx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Playlists._ID); |
| } |
| } |
| |
| public void setActivity(PlaylistBrowserActivity newactivity) { |
| mActivity = newactivity; |
| } |
| |
| public AsyncQueryHandler getQueryHandler() { |
| return mQueryHandler; |
| } |
| |
| @Override |
| public void bindView(View view, Context context, Cursor cursor) { |
| TextView tv = (TextView) view.findViewById(R.id.line1); |
| |
| String name = cursor.getString(mTitleIdx); |
| tv.setText(name); |
| |
| long id = cursor.getLong(mIdIdx); |
| |
| ImageView iv = (ImageView) view.findViewById(R.id.icon); |
| if (id == RECENTLY_ADDED_PLAYLIST) { |
| iv.setImageResource(R.drawable.ic_mp_playlist_recently_added_list); |
| } else { |
| iv.setImageResource(R.drawable.ic_mp_playlist_list); |
| } |
| ViewGroup.LayoutParams p = iv.getLayoutParams(); |
| p.width = ViewGroup.LayoutParams.WRAP_CONTENT; |
| p.height = ViewGroup.LayoutParams.WRAP_CONTENT; |
| |
| iv = (ImageView) view.findViewById(R.id.play_indicator); |
| iv.setVisibility(View.GONE); |
| |
| view.findViewById(R.id.line2).setVisibility(View.GONE); |
| } |
| |
| @Override |
| public void changeCursor(Cursor cursor) { |
| if (mActivity.isFinishing() && cursor != null) { |
| cursor.close(); |
| cursor = null; |
| } |
| if (cursor != mActivity.mPlaylistCursor) { |
| mActivity.mPlaylistCursor = 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.getPlaylistCursor(null, s); |
| mConstraint = s; |
| mConstraintIsValid = true; |
| return c; |
| } |
| } |
| |
| private Cursor mPlaylistCursor; |
| } |
