| /* |
| * Copyright (C) 2008 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.Activity; |
| 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.ServiceConnection; |
| import android.content.SharedPreferences; |
| import android.content.SharedPreferences.Editor; |
| import android.content.res.Resources; |
| import android.database.Cursor; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.graphics.Canvas; |
| import android.graphics.ColorFilter; |
| import android.graphics.PixelFormat; |
| import android.graphics.drawable.BitmapDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.media.MediaFile; |
| import android.net.Uri; |
| import android.os.Environment; |
| import android.os.ParcelFileDescriptor; |
| import android.os.RemoteException; |
| import android.provider.MediaStore; |
| import android.provider.Settings; |
| import android.text.TextUtils; |
| import android.util.Log; |
| 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.widget.LinearLayout; |
| import android.widget.TabWidget; |
| import android.widget.TextView; |
| import android.widget.Toast; |
| |
| import java.io.File; |
| import java.io.FileDescriptor; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.Arrays; |
| import java.util.Formatter; |
| import java.util.HashMap; |
| import java.util.Locale; |
| |
| public class MusicUtils { |
| |
| private static final String TAG = "MusicUtils"; |
| |
| public interface Defs { |
| public final static int OPEN_URL = 0; |
| public final static int ADD_TO_PLAYLIST = 1; |
| public final static int USE_AS_RINGTONE = 2; |
| public final static int PLAYLIST_SELECTED = 3; |
| public final static int NEW_PLAYLIST = 4; |
| public final static int PLAY_SELECTION = 5; |
| public final static int GOTO_START = 6; |
| public final static int GOTO_PLAYBACK = 7; |
| public final static int PARTY_SHUFFLE = 8; |
| public final static int SHUFFLE_ALL = 9; |
| public final static int DELETE_ITEM = 10; |
| public final static int SCAN_DONE = 11; |
| public final static int QUEUE = 12; |
| public final static int CHILD_MENU_BASE = 13; // this should be the last item |
| } |
| |
| public static String makeAlbumsLabel(Context context, int numalbums, int numsongs, boolean isUnknown) { |
| // There are two formats for the albums/songs information: |
| // "N Song(s)" - used for unknown artist/album |
| // "N Album(s)" - used for known albums |
| |
| StringBuilder songs_albums = new StringBuilder(); |
| |
| Resources r = context.getResources(); |
| if (isUnknown) { |
| if (numsongs == 1) { |
| songs_albums.append(context.getString(R.string.onesong)); |
| } else { |
| String f = r.getQuantityText(R.plurals.Nsongs, numsongs).toString(); |
| sFormatBuilder.setLength(0); |
| sFormatter.format(f, Integer.valueOf(numsongs)); |
| songs_albums.append(sFormatBuilder); |
| } |
| } else { |
| String f = r.getQuantityText(R.plurals.Nalbums, numalbums).toString(); |
| sFormatBuilder.setLength(0); |
| sFormatter.format(f, Integer.valueOf(numalbums)); |
| songs_albums.append(sFormatBuilder); |
| songs_albums.append(context.getString(R.string.albumsongseparator)); |
| } |
| return songs_albums.toString(); |
| } |
| |
| /** |
| * This is now only used for the query screen |
| */ |
| public static String makeAlbumsSongsLabel(Context context, int numalbums, int numsongs, boolean isUnknown) { |
| // There are several formats for the albums/songs information: |
| // "1 Song" - used if there is only 1 song |
| // "N Songs" - used for the "unknown artist" item |
| // "1 Album"/"N Songs" |
| // "N Album"/"M Songs" |
| // Depending on locale, these may need to be further subdivided |
| |
| StringBuilder songs_albums = new StringBuilder(); |
| |
| if (numsongs == 1) { |
| songs_albums.append(context.getString(R.string.onesong)); |
| } else { |
| Resources r = context.getResources(); |
| if (! isUnknown) { |
| String f = r.getQuantityText(R.plurals.Nalbums, numalbums).toString(); |
| sFormatBuilder.setLength(0); |
| sFormatter.format(f, Integer.valueOf(numalbums)); |
| songs_albums.append(sFormatBuilder); |
| songs_albums.append(context.getString(R.string.albumsongseparator)); |
| } |
| String f = r.getQuantityText(R.plurals.Nsongs, numsongs).toString(); |
| sFormatBuilder.setLength(0); |
| sFormatter.format(f, Integer.valueOf(numsongs)); |
| songs_albums.append(sFormatBuilder); |
| } |
| return songs_albums.toString(); |
| } |
| |
| public static IMediaPlaybackService sService = null; |
| private static HashMap<Context, ServiceBinder> sConnectionMap = new HashMap<Context, ServiceBinder>(); |
| |
| public static boolean bindToService(Context context) { |
| return bindToService(context, null); |
| } |
| |
| public static boolean bindToService(Context context, ServiceConnection callback) { |
| context.startService(new Intent(context, MediaPlaybackService.class)); |
| ServiceBinder sb = new ServiceBinder(callback); |
| sConnectionMap.put(context, sb); |
| return context.bindService((new Intent()).setClass(context, |
| MediaPlaybackService.class), sb, 0); |
| } |
| |
| public static void unbindFromService(Context context) { |
| ServiceBinder sb = (ServiceBinder) sConnectionMap.remove(context); |
| if (sb == null) { |
| Log.e("MusicUtils", "Trying to unbind for unknown Context"); |
| return; |
| } |
| context.unbindService(sb); |
| if (sConnectionMap.isEmpty()) { |
| // presumably there is nobody interested in the service at this point, |
| // so don't hang on to the ServiceConnection |
| sService = null; |
| } |
| } |
| |
| private static class ServiceBinder implements ServiceConnection { |
| ServiceConnection mCallback; |
| ServiceBinder(ServiceConnection callback) { |
| mCallback = callback; |
| } |
| |
| public void onServiceConnected(ComponentName className, android.os.IBinder service) { |
| sService = IMediaPlaybackService.Stub.asInterface(service); |
| initAlbumArtCache(); |
| if (mCallback != null) { |
| mCallback.onServiceConnected(className, service); |
| } |
| } |
| |
| public void onServiceDisconnected(ComponentName className) { |
| if (mCallback != null) { |
| mCallback.onServiceDisconnected(className); |
| } |
| sService = null; |
| } |
| } |
| |
| public static long getCurrentAlbumId() { |
| if (sService != null) { |
| try { |
| return sService.getAlbumId(); |
| } catch (RemoteException ex) { |
| } |
| } |
| return -1; |
| } |
| |
| public static long getCurrentArtistId() { |
| if (MusicUtils.sService != null) { |
| try { |
| return sService.getArtistId(); |
| } catch (RemoteException ex) { |
| } |
| } |
| return -1; |
| } |
| |
| public static long getCurrentAudioId() { |
| if (MusicUtils.sService != null) { |
| try { |
| return sService.getAudioId(); |
| } catch (RemoteException ex) { |
| } |
| } |
| return -1; |
| } |
| |
| public static int getCurrentShuffleMode() { |
| int mode = MediaPlaybackService.SHUFFLE_NONE; |
| if (sService != null) { |
| try { |
| mode = sService.getShuffleMode(); |
| } catch (RemoteException ex) { |
| } |
| } |
| return mode; |
| } |
| |
| public static void togglePartyShuffle() { |
| if (sService != null) { |
| int shuffle = getCurrentShuffleMode(); |
| try { |
| if (shuffle == MediaPlaybackService.SHUFFLE_AUTO) { |
| sService.setShuffleMode(MediaPlaybackService.SHUFFLE_NONE); |
| } else { |
| sService.setShuffleMode(MediaPlaybackService.SHUFFLE_AUTO); |
| } |
| } catch (RemoteException ex) { |
| } |
| } |
| } |
| |
| public static void setPartyShuffleMenuIcon(Menu menu) { |
| MenuItem item = menu.findItem(Defs.PARTY_SHUFFLE); |
| if (item != null) { |
| int shuffle = MusicUtils.getCurrentShuffleMode(); |
| if (shuffle == MediaPlaybackService.SHUFFLE_AUTO) { |
| item.setIcon(R.drawable.ic_menu_party_shuffle); |
| item.setTitle(R.string.party_shuffle_off); |
| } else { |
| item.setIcon(R.drawable.ic_menu_party_shuffle); |
| item.setTitle(R.string.party_shuffle); |
| } |
| } |
| } |
| |
| /* |
| * Returns true if a file is currently opened for playback (regardless |
| * of whether it's playing or paused). |
| */ |
| public static boolean isMusicLoaded() { |
| if (MusicUtils.sService != null) { |
| try { |
| return sService.getPath() != null; |
| } catch (RemoteException ex) { |
| } |
| } |
| return false; |
| } |
| |
| private final static long [] sEmptyList = new long[0]; |
| |
| public static long [] getSongListForCursor(Cursor cursor) { |
| if (cursor == null) { |
| return sEmptyList; |
| } |
| int len = cursor.getCount(); |
| long [] list = new long[len]; |
| cursor.moveToFirst(); |
| int colidx = -1; |
| try { |
| colidx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Playlists.Members.AUDIO_ID); |
| } catch (IllegalArgumentException ex) { |
| colidx = cursor.getColumnIndexOrThrow(MediaStore.Audio.Media._ID); |
| } |
| for (int i = 0; i < len; i++) { |
| list[i] = cursor.getLong(colidx); |
| cursor.moveToNext(); |
| } |
| return list; |
| } |
| |
| public static long [] getSongListForArtist(Context context, long id) { |
| final String[] ccols = new String[] { MediaStore.Audio.Media._ID }; |
| String where = MediaStore.Audio.Media.ARTIST_ID + "=" + id + " AND " + |
| MediaStore.Audio.Media.IS_MUSIC + "=1"; |
| Cursor cursor = query(context, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, |
| ccols, where, null, |
| MediaStore.Audio.Media.ALBUM_KEY + "," + MediaStore.Audio.Media.TRACK); |
| |
| if (cursor != null) { |
| long [] list = getSongListForCursor(cursor); |
| cursor.close(); |
| return list; |
| } |
| return sEmptyList; |
| } |
| |
| public static long [] getSongListForAlbum(Context context, long id) { |
| final String[] ccols = new String[] { MediaStore.Audio.Media._ID }; |
| String where = MediaStore.Audio.Media.ALBUM_ID + "=" + id + " AND " + |
| MediaStore.Audio.Media.IS_MUSIC + "=1"; |
| Cursor cursor = query(context, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, |
| ccols, where, null, MediaStore.Audio.Media.TRACK); |
| |
| if (cursor != null) { |
| long [] list = getSongListForCursor(cursor); |
| cursor.close(); |
| return list; |
| } |
| return sEmptyList; |
| } |
| |
| public static long [] getSongListForPlaylist(Context context, long plid) { |
| final String[] ccols = new String[] { MediaStore.Audio.Playlists.Members.AUDIO_ID }; |
| Cursor cursor = query(context, MediaStore.Audio.Playlists.Members.getContentUri("external", plid), |
| ccols, null, null, MediaStore.Audio.Playlists.Members.DEFAULT_SORT_ORDER); |
| |
| if (cursor != null) { |
| long [] list = getSongListForCursor(cursor); |
| cursor.close(); |
| return list; |
| } |
| return sEmptyList; |
| } |
| |
| public static void playPlaylist(Context context, long plid) { |
| long [] list = getSongListForPlaylist(context, plid); |
| if (list != null) { |
| playAll(context, list, -1, false); |
| } |
| } |
| |
| public static long [] getAllSongs(Context context) { |
| Cursor c = query(context, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, |
| new String[] {MediaStore.Audio.Media._ID}, MediaStore.Audio.Media.IS_MUSIC + "=1", |
| null, null); |
| try { |
| if (c == null || c.getCount() == 0) { |
| return null; |
| } |
| int len = c.getCount(); |
| long [] list = new long[len]; |
| for (int i = 0; i < len; i++) { |
| c.moveToNext(); |
| list[i] = c.getLong(0); |
| } |
| |
| return list; |
| } finally { |
| if (c != null) { |
| c.close(); |
| } |
| } |
| } |
| |
| /** |
| * Fills out the given submenu with items for "new playlist" and |
| * any existing playlists. When the user selects an item, the |
| * application will receive PLAYLIST_SELECTED with the Uri of |
| * the selected playlist, NEW_PLAYLIST if a new playlist |
| * should be created, and QUEUE if the "current playlist" was |
| * selected. |
| * @param context The context to use for creating the menu items |
| * @param sub The submenu to add the items to. |
| */ |
| public static void makePlaylistMenu(Context context, SubMenu sub) { |
| String[] cols = new String[] { |
| MediaStore.Audio.Playlists._ID, |
| MediaStore.Audio.Playlists.NAME |
| }; |
| ContentResolver resolver = context.getContentResolver(); |
| if (resolver == null) { |
| System.out.println("resolver = null"); |
| } else { |
| String whereclause = MediaStore.Audio.Playlists.NAME + " != ''"; |
| Cursor cur = resolver.query(MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI, |
| cols, whereclause, null, |
| MediaStore.Audio.Playlists.NAME); |
| sub.clear(); |
| sub.add(1, Defs.QUEUE, 0, R.string.queue); |
| sub.add(1, Defs.NEW_PLAYLIST, 0, R.string.new_playlist); |
| if (cur != null && cur.getCount() > 0) { |
| //sub.addSeparator(1, 0); |
| cur.moveToFirst(); |
| while (! cur.isAfterLast()) { |
| Intent intent = new Intent(); |
| intent.putExtra("playlist", cur.getLong(0)); |
| // if (cur.getInt(0) == mLastPlaylistSelected) { |
| // sub.add(0, MusicBaseActivity.PLAYLIST_SELECTED, cur.getString(1)).setIntent(intent); |
| // } else { |
| sub.add(1, Defs.PLAYLIST_SELECTED, 0, cur.getString(1)).setIntent(intent); |
| // } |
| cur.moveToNext(); |
| } |
| } |
| if (cur != null) { |
| cur.close(); |
| } |
| } |
| } |
| |
| public static void clearPlaylist(Context context, int plid) { |
| |
| Uri uri = MediaStore.Audio.Playlists.Members.getContentUri("external", plid); |
| context.getContentResolver().delete(uri, null, null); |
| return; |
| } |
| |
| public static void deleteTracks(Context context, long [] list) { |
| |
| String [] cols = new String [] { MediaStore.Audio.Media._ID, |
| MediaStore.Audio.Media.DATA, MediaStore.Audio.Media.ALBUM_ID }; |
| StringBuilder where = new StringBuilder(); |
| where.append(MediaStore.Audio.Media._ID + " IN ("); |
| for (int i = 0; i < list.length; i++) { |
| where.append(list[i]); |
| if (i < list.length - 1) { |
| where.append(","); |
| } |
| } |
| where.append(")"); |
| Cursor c = query(context, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, cols, |
| where.toString(), null, null); |
| |
| if (c != null) { |
| |
| // step 1: remove selected tracks from the current playlist, as well |
| // as from the album art cache |
| try { |
| c.moveToFirst(); |
| while (! c.isAfterLast()) { |
| // remove from current playlist |
| long id = c.getLong(0); |
| sService.removeTrack(id); |
| // remove from album art cache |
| long artIndex = c.getLong(2); |
| synchronized(sArtCache) { |
| sArtCache.remove(artIndex); |
| } |
| c.moveToNext(); |
| } |
| } catch (RemoteException ex) { |
| } |
| |
| // step 2: remove selected tracks from the database |
| context.getContentResolver().delete(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, where.toString(), null); |
| |
| // step 3: remove files from card |
| c.moveToFirst(); |
| while (! c.isAfterLast()) { |
| String name = c.getString(1); |
| File f = new File(name); |
| try { // File.delete can throw a security exception |
| if (!f.delete()) { |
| // I'm not sure if we'd ever get here (deletion would |
| // have to fail, but no exception thrown) |
| Log.e("MusicUtils", "Failed to delete file " + name); |
| } |
| c.moveToNext(); |
| } catch (SecurityException ex) { |
| c.moveToNext(); |
| } |
| } |
| c.close(); |
| } |
| |
| String message = context.getResources().getQuantityString( |
| R.plurals.NNNtracksdeleted, list.length, Integer.valueOf(list.length)); |
| |
| Toast.makeText(context, message, Toast.LENGTH_SHORT).show(); |
| // We deleted a number of tracks, which could affect any number of things |
| // in the media content domain, so update everything. |
| context.getContentResolver().notifyChange(Uri.parse("content://media"), null); |
| } |
| |
| public static void addToCurrentPlaylist(Context context, long [] list) { |
| if (sService == null) { |
| return; |
| } |
| try { |
| sService.enqueue(list, MediaPlaybackService.LAST); |
| String message = context.getResources().getQuantityString( |
| R.plurals.NNNtrackstoplaylist, list.length, Integer.valueOf(list.length)); |
| Toast.makeText(context, message, Toast.LENGTH_SHORT).show(); |
| } catch (RemoteException ex) { |
| } |
| } |
| |
| public static void addToPlaylist(Context context, long [] ids, long playlistid) { |
| if (ids == null) { |
| // this shouldn't happen (the menuitems shouldn't be visible |
| // unless the selected item represents something playable |
| Log.e("MusicBase", "ListSelection null"); |
| } else { |
| int size = ids.length; |
| ContentValues values [] = new ContentValues[size]; |
| ContentResolver resolver = context.getContentResolver(); |
| // need to determine the number of items currently in the playlist, |
| // so the play_order field can be maintained. |
| String[] cols = new String[] { |
| "count(*)" |
| }; |
| Uri uri = MediaStore.Audio.Playlists.Members.getContentUri("external", playlistid); |
| Cursor cur = resolver.query(uri, cols, null, null, null); |
| cur.moveToFirst(); |
| int base = cur.getInt(0); |
| cur.close(); |
| |
| for (int i = 0; i < size; i++) { |
| values[i] = new ContentValues(); |
| values[i].put(MediaStore.Audio.Playlists.Members.PLAY_ORDER, Integer.valueOf(base + i)); |
| values[i].put(MediaStore.Audio.Playlists.Members.AUDIO_ID, ids[i]); |
| } |
| resolver.bulkInsert(uri, values); |
| String message = context.getResources().getQuantityString( |
| R.plurals.NNNtrackstoplaylist, size, Integer.valueOf(size)); |
| Toast.makeText(context, message, Toast.LENGTH_SHORT).show(); |
| //mLastPlaylistSelected = playlistid; |
| } |
| } |
| |
| public static Cursor query(Context context, Uri uri, String[] projection, |
| String selection, String[] selectionArgs, String sortOrder, int limit) { |
| try { |
| ContentResolver resolver = context.getContentResolver(); |
| if (resolver == null) { |
| return null; |
| } |
| if (limit > 0) { |
| uri = uri.buildUpon().appendQueryParameter("limit", "" + limit).build(); |
| } |
| return resolver.query(uri, projection, selection, selectionArgs, sortOrder); |
| } catch (UnsupportedOperationException ex) { |
| return null; |
| } |
| |
| } |
| public static Cursor query(Context context, Uri uri, String[] projection, |
| String selection, String[] selectionArgs, String sortOrder) { |
| return query(context, uri, projection, selection, selectionArgs, sortOrder, 0); |
| } |
| |
| public static boolean isMediaScannerScanning(Context context) { |
| boolean result = false; |
| Cursor cursor = query(context, MediaStore.getMediaScannerUri(), |
| new String [] { MediaStore.MEDIA_SCANNER_VOLUME }, null, null, null); |
| if (cursor != null) { |
| if (cursor.getCount() == 1) { |
| cursor.moveToFirst(); |
| result = "external".equals(cursor.getString(0)); |
| } |
| cursor.close(); |
| } |
| |
| return result; |
| } |
| |
| public static void setSpinnerState(Activity a) { |
| if (isMediaScannerScanning(a)) { |
| // start the progress spinner |
| a.getWindow().setFeatureInt( |
| Window.FEATURE_INDETERMINATE_PROGRESS, |
| Window.PROGRESS_INDETERMINATE_ON); |
| |
| a.getWindow().setFeatureInt( |
| Window.FEATURE_INDETERMINATE_PROGRESS, |
| Window.PROGRESS_VISIBILITY_ON); |
| } else { |
| // stop the progress spinner |
| a.getWindow().setFeatureInt( |
| Window.FEATURE_INDETERMINATE_PROGRESS, |
| Window.PROGRESS_VISIBILITY_OFF); |
| } |
| } |
| |
| private static String mLastSdStatus; |
| |
| public static void displayDatabaseError(Activity a) { |
| String status = Environment.getExternalStorageState(); |
| int title = R.string.sdcard_error_title; |
| int message = R.string.sdcard_error_message; |
| |
| if (status.equals(Environment.MEDIA_SHARED) || |
| status.equals(Environment.MEDIA_UNMOUNTED)) { |
| title = R.string.sdcard_busy_title; |
| message = R.string.sdcard_busy_message; |
| } else if (status.equals(Environment.MEDIA_REMOVED)) { |
| title = R.string.sdcard_missing_title; |
| message = R.string.sdcard_missing_message; |
| } else if (status.equals(Environment.MEDIA_MOUNTED)){ |
| // The card is mounted, but we didn't get a valid cursor. |
| // This probably means the mediascanner hasn't started scanning the |
| // card yet (there is a small window of time during boot where this |
| // will happen). |
| a.setTitle(""); |
| Intent intent = new Intent(); |
| intent.setClass(a, ScanningProgress.class); |
| a.startActivityForResult(intent, Defs.SCAN_DONE); |
| } else if (!TextUtils.equals(mLastSdStatus, status)) { |
| mLastSdStatus = status; |
| Log.d(TAG, "sd card: " + status); |
| } |
| |
| a.setTitle(title); |
| View v = a.findViewById(R.id.sd_message); |
| if (v != null) { |
| v.setVisibility(View.VISIBLE); |
| } |
| v = a.findViewById(R.id.sd_icon); |
| if (v != null) { |
| v.setVisibility(View.VISIBLE); |
| } |
| v = a.findViewById(android.R.id.list); |
| if (v != null) { |
| v.setVisibility(View.GONE); |
| } |
| TextView tv = (TextView) a.findViewById(R.id.sd_message); |
| tv.setText(message); |
| } |
| |
| public static void hideDatabaseError(Activity a) { |
| View v = a.findViewById(R.id.sd_message); |
| if (v != null) { |
| v.setVisibility(View.GONE); |
| } |
| v = a.findViewById(R.id.sd_icon); |
| if (v != null) { |
| v.setVisibility(View.GONE); |
| } |
| v = a.findViewById(android.R.id.list); |
| if (v != null) { |
| v.setVisibility(View.VISIBLE); |
| } |
| } |
| |
| static protected Uri getContentURIForPath(String path) { |
| return Uri.fromFile(new File(path)); |
| } |
| |
| |
| /* Try to use String.format() as little as possible, because it creates a |
| * new Formatter every time you call it, which is very inefficient. |
| * Reusing an existing Formatter more than tripled the speed of |
| * makeTimeString(). |
| * This Formatter/StringBuilder are also used by makeAlbumSongsLabel() |
| */ |
| private static StringBuilder sFormatBuilder = new StringBuilder(); |
| private static Formatter sFormatter = new Formatter(sFormatBuilder, Locale.getDefault()); |
| private static final Object[] sTimeArgs = new Object[5]; |
| |
| public static String makeTimeString(Context context, long secs) { |
| String durationformat = context.getString( |
| secs < 3600 ? R.string.durationformatshort : R.string.durationformatlong); |
| |
| /* Provide multiple arguments so the format can be changed easily |
| * by modifying the xml. |
| */ |
| sFormatBuilder.setLength(0); |
| |
| final Object[] timeArgs = sTimeArgs; |
| timeArgs[0] = secs / 3600; |
| timeArgs[1] = secs / 60; |
| timeArgs[2] = (secs / 60) % 60; |
| timeArgs[3] = secs; |
| timeArgs[4] = secs % 60; |
| |
| return sFormatter.format(durationformat, timeArgs).toString(); |
| } |
| |
| public static void shuffleAll(Context context, Cursor cursor) { |
| playAll(context, cursor, 0, true); |
| } |
| |
| public static void playAll(Context context, Cursor cursor) { |
| playAll(context, cursor, 0, false); |
| } |
| |
| public static void playAll(Context context, Cursor cursor, int position) { |
| playAll(context, cursor, position, false); |
| } |
| |
| public static void playAll(Context context, long [] list, int position) { |
| playAll(context, list, position, false); |
| } |
| |
| private static void playAll(Context context, Cursor cursor, int position, boolean force_shuffle) { |
| |
| long [] list = getSongListForCursor(cursor); |
| playAll(context, list, position, force_shuffle); |
| } |
| |
| private static void playAll(Context context, long [] list, int position, boolean force_shuffle) { |
| if (list.length == 0 || sService == null) { |
| Log.d("MusicUtils", "attempt to play empty song list"); |
| // Don't try to play empty playlists. Nothing good will come of it. |
| String message = context.getString(R.string.emptyplaylist, list.length); |
| Toast.makeText(context, message, Toast.LENGTH_SHORT).show(); |
| return; |
| } |
| try { |
| if (force_shuffle) { |
| sService.setShuffleMode(MediaPlaybackService.SHUFFLE_NORMAL); |
| } |
| long curid = sService.getAudioId(); |
| int curpos = sService.getQueuePosition(); |
| if (position != -1 && curpos == position && curid == list[position]) { |
| // The selected file is the file that's currently playing; |
| // figure out if we need to restart with a new playlist, |
| // or just launch the playback activity. |
| long [] playlist = sService.getQueue(); |
| if (Arrays.equals(list, playlist)) { |
| // we don't need to set a new list, but we should resume playback if needed |
| sService.play(); |
| return; // the 'finally' block will still run |
| } |
| } |
| if (position < 0) { |
| position = 0; |
| } |
| sService.open(list, force_shuffle ? -1 : position); |
| sService.play(); |
| } catch (RemoteException ex) { |
| } finally { |
| Intent intent = new Intent(context, MediaPlaybackActivity.class) |
| .setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); |
| context.startActivity(intent); |
| } |
| } |
| |
| public static void clearQueue() { |
| try { |
| sService.removeTracks(0, Integer.MAX_VALUE); |
| } catch (RemoteException ex) { |
| } |
| } |
| |
| // A really simple BitmapDrawable-like class, that doesn't do |
| // scaling, dithering or filtering. |
| private static class FastBitmapDrawable extends Drawable { |
| private Bitmap mBitmap; |
| public FastBitmapDrawable(Bitmap b) { |
| mBitmap = b; |
| } |
| @Override |
| public void draw(Canvas canvas) { |
| canvas.drawBitmap(mBitmap, 0, 0, null); |
| } |
| @Override |
| public int getOpacity() { |
| return PixelFormat.OPAQUE; |
| } |
| @Override |
| public void setAlpha(int alpha) { |
| } |
| @Override |
| public void setColorFilter(ColorFilter cf) { |
| } |
| } |
| |
| private static int sArtId = -2; |
| private static Bitmap mCachedBit = null; |
| private static final BitmapFactory.Options sBitmapOptionsCache = new BitmapFactory.Options(); |
| private static final BitmapFactory.Options sBitmapOptions = new BitmapFactory.Options(); |
| private static final Uri sArtworkUri = Uri.parse("content://media/external/audio/albumart"); |
| private static final HashMap<Long, Drawable> sArtCache = new HashMap<Long, Drawable>(); |
| private static int sArtCacheId = -1; |
| |
| static { |
| // for the cache, |
| // 565 is faster to decode and display |
| // and we don't want to dither here because the image will be scaled down later |
| sBitmapOptionsCache.inPreferredConfig = Bitmap.Config.RGB_565; |
| sBitmapOptionsCache.inDither = false; |
| |
| sBitmapOptions.inPreferredConfig = Bitmap.Config.RGB_565; |
| sBitmapOptions.inDither = false; |
| } |
| |
| public static void initAlbumArtCache() { |
| try { |
| int id = sService.getMediaMountedCount(); |
| if (id != sArtCacheId) { |
| clearAlbumArtCache(); |
| sArtCacheId = id; |
| } |
| } catch (RemoteException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| public static void clearAlbumArtCache() { |
| synchronized(sArtCache) { |
| sArtCache.clear(); |
| } |
| } |
| |
| public static Drawable getCachedArtwork(Context context, long artIndex, BitmapDrawable defaultArtwork) { |
| Drawable d = null; |
| synchronized(sArtCache) { |
| d = sArtCache.get(artIndex); |
| } |
| if (d == null) { |
| d = defaultArtwork; |
| final Bitmap icon = defaultArtwork.getBitmap(); |
| int w = icon.getWidth(); |
| int h = icon.getHeight(); |
| Bitmap b = MusicUtils.getArtworkQuick(context, artIndex, w, h); |
| if (b != null) { |
| d = new FastBitmapDrawable(b); |
| synchronized(sArtCache) { |
| // the cache may have changed since we checked |
| Drawable value = sArtCache.get(artIndex); |
| if (value == null) { |
| sArtCache.put(artIndex, d); |
| } else { |
| d = value; |
| } |
| } |
| } |
| } |
| return d; |
| } |
| |
| // Get album art for specified album. This method will not try to |
| // fall back to getting artwork directly from the file, nor will |
| // it attempt to repair the database. |
| private static Bitmap getArtworkQuick(Context context, long album_id, int w, int h) { |
| // NOTE: There is in fact a 1 pixel border on the right side in the ImageView |
| // used to display this drawable. Take it into account now, so we don't have to |
| // scale later. |
| w -= 1; |
| ContentResolver res = context.getContentResolver(); |
| Uri uri = ContentUris.withAppendedId(sArtworkUri, album_id); |
| if (uri != null) { |
| ParcelFileDescriptor fd = null; |
| try { |
| fd = res.openFileDescriptor(uri, "r"); |
| int sampleSize = 1; |
| |
| // Compute the closest power-of-two scale factor |
| // and pass that to sBitmapOptionsCache.inSampleSize, which will |
| // result in faster decoding and better quality |
| sBitmapOptionsCache.inJustDecodeBounds = true; |
| BitmapFactory.decodeFileDescriptor( |
| fd.getFileDescriptor(), null, sBitmapOptionsCache); |
| int nextWidth = sBitmapOptionsCache.outWidth >> 1; |
| int nextHeight = sBitmapOptionsCache.outHeight >> 1; |
| while (nextWidth>w && nextHeight>h) { |
| sampleSize <<= 1; |
| nextWidth >>= 1; |
| nextHeight >>= 1; |
| } |
| |
| sBitmapOptionsCache.inSampleSize = sampleSize; |
| sBitmapOptionsCache.inJustDecodeBounds = false; |
| Bitmap b = BitmapFactory.decodeFileDescriptor( |
| fd.getFileDescriptor(), null, sBitmapOptionsCache); |
| |
| if (b != null) { |
| // finally rescale to exactly the size we need |
| if (sBitmapOptionsCache.outWidth != w || sBitmapOptionsCache.outHeight != h) { |
| Bitmap tmp = Bitmap.createScaledBitmap(b, w, h, true); |
| // Bitmap.createScaledBitmap() can return the same bitmap |
| if (tmp != b) b.recycle(); |
| b = tmp; |
| } |
| } |
| |
| return b; |
| } catch (FileNotFoundException e) { |
| } finally { |
| try { |
| if (fd != null) |
| fd.close(); |
| } catch (IOException e) { |
| } |
| } |
| } |
| return null; |
| } |
| |
| /** Get album art for specified album. You should not pass in the album id |
| * for the "unknown" album here (use -1 instead) |
| */ |
| public static Bitmap getArtwork(Context context, long song_id, long album_id) { |
| |
| if (album_id < 0) { |
| // This is something that is not in the database, so get the album art directly |
| // from the file. |
| if (song_id >= 0) { |
| Bitmap bm = getArtworkFromFile(context, song_id, -1); |
| if (bm != null) { |
| return bm; |
| } |
| } |
| return getDefaultArtwork(context); |
| } |
| |
| ContentResolver res = context.getContentResolver(); |
| Uri uri = ContentUris.withAppendedId(sArtworkUri, album_id); |
| if (uri != null) { |
| InputStream in = null; |
| try { |
| in = res.openInputStream(uri); |
| return BitmapFactory.decodeStream(in, null, sBitmapOptions); |
| } catch (FileNotFoundException ex) { |
| // The album art thumbnail does not actually exist. Maybe the user deleted it, or |
| // maybe it never existed to begin with. |
| Bitmap bm = getArtworkFromFile(context, song_id, album_id); |
| if (bm != null) { |
| if (bm.getConfig() == null) { |
| bm = bm.copy(Bitmap.Config.RGB_565, false); |
| if (bm == null) { |
| return getDefaultArtwork(context); |
| } |
| } |
| } else { |
| bm = getDefaultArtwork(context); |
| } |
| return bm; |
| } finally { |
| try { |
| if (in != null) { |
| in.close(); |
| } |
| } catch (IOException ex) { |
| } |
| } |
| } |
| |
| return null; |
| } |
| |
| // get album art for specified file |
| private static final String sExternalMediaUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI.toString(); |
| private static Bitmap getArtworkFromFile(Context context, long songid, long albumid) { |
| Bitmap bm = null; |
| byte [] art = null; |
| String path = null; |
| |
| if (albumid < 0 && songid < 0) { |
| throw new IllegalArgumentException("Must specify an album or a song id"); |
| } |
| |
| try { |
| if (albumid < 0) { |
| Uri uri = Uri.parse("content://media/external/audio/media/" + songid + "/albumart"); |
| ParcelFileDescriptor pfd = context.getContentResolver().openFileDescriptor(uri, "r"); |
| if (pfd != null) { |
| FileDescriptor fd = pfd.getFileDescriptor(); |
| bm = BitmapFactory.decodeFileDescriptor(fd); |
| } |
| } else { |
| Uri uri = ContentUris.withAppendedId(sArtworkUri, albumid); |
| ParcelFileDescriptor pfd = context.getContentResolver().openFileDescriptor(uri, "r"); |
| if (pfd != null) { |
| FileDescriptor fd = pfd.getFileDescriptor(); |
| bm = BitmapFactory.decodeFileDescriptor(fd); |
| } |
| } |
| } catch (FileNotFoundException ex) { |
| // |
| } |
| if (bm != null) { |
| mCachedBit = bm; |
| } |
| return bm; |
| } |
| |
| private static Bitmap getDefaultArtwork(Context context) { |
| BitmapFactory.Options opts = new BitmapFactory.Options(); |
| opts.inPreferredConfig = Bitmap.Config.ARGB_8888; |
| return BitmapFactory.decodeStream( |
| context.getResources().openRawResource(R.drawable.albumart_mp_unknown), null, opts); |
| } |
| |
| static int getIntPref(Context context, String name, int def) { |
| SharedPreferences prefs = |
| context.getSharedPreferences("com.android.music", Context.MODE_PRIVATE); |
| return prefs.getInt(name, def); |
| } |
| |
| static void setIntPref(Context context, String name, int value) { |
| SharedPreferences prefs = |
| context.getSharedPreferences("com.android.music", Context.MODE_PRIVATE); |
| Editor ed = prefs.edit(); |
| ed.putInt(name, value); |
| ed.commit(); |
| } |
| |
| static void setRingtone(Context context, long id) { |
| ContentResolver resolver = context.getContentResolver(); |
| // Set the flag in the database to mark this as a ringtone |
| Uri ringUri = ContentUris.withAppendedId(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, id); |
| try { |
| ContentValues values = new ContentValues(2); |
| values.put(MediaStore.Audio.Media.IS_RINGTONE, "1"); |
| values.put(MediaStore.Audio.Media.IS_ALARM, "1"); |
| resolver.update(ringUri, values, null, null); |
| } catch (UnsupportedOperationException ex) { |
| // most likely the card just got unmounted |
| Log.e(TAG, "couldn't set ringtone flag for id " + id); |
| return; |
| } |
| |
| String[] cols = new String[] { |
| MediaStore.Audio.Media._ID, |
| MediaStore.Audio.Media.DATA, |
| MediaStore.Audio.Media.TITLE |
| }; |
| |
| String where = MediaStore.Audio.Media._ID + "=" + id; |
| Cursor cursor = query(context, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, |
| cols, where , null, null); |
| try { |
| if (cursor != null && cursor.getCount() == 1) { |
| // Set the system setting to make this the current ringtone |
| cursor.moveToFirst(); |
| Settings.System.putString(resolver, Settings.System.RINGTONE, ringUri.toString()); |
| String message = context.getString(R.string.ringtone_set, cursor.getString(2)); |
| Toast.makeText(context, message, Toast.LENGTH_SHORT).show(); |
| } |
| } finally { |
| if (cursor != null) { |
| cursor.close(); |
| } |
| } |
| } |
| |
| static int sActiveTabIndex = -1; |
| |
| static void updateButtonBar(Activity a, int highlight) { |
| final TabWidget ll = (TabWidget) a.findViewById(R.id.buttonbar); |
| boolean withtabs = false; |
| Intent intent = a.getIntent(); |
| if (intent != null) { |
| withtabs = intent.getBooleanExtra("withtabs", false); |
| } |
| |
| if (highlight == 0 || !withtabs) { |
| ll.setVisibility(View.GONE); |
| return; |
| } else if (withtabs) { |
| ll.setVisibility(View.VISIBLE); |
| } |
| for (int i = ll.getChildCount() - 1; i >= 0; i--) { |
| |
| View v = ll.getChildAt(i); |
| boolean isActive = (v.getId() == highlight); |
| if (isActive) { |
| ll.setCurrentTab(i); |
| sActiveTabIndex = i; |
| } |
| v.setOnFocusChangeListener(new View.OnFocusChangeListener() { |
| |
| public void onFocusChange(View v, boolean hasFocus) { |
| if (hasFocus) { |
| for (int i = 0; i < ll.getTabCount(); i++) { |
| if (ll.getChildTabViewAt(i) == v) { |
| ll.setCurrentTab(i); |
| processTabClick((Activity)ll.getContext(), v, ll.getChildAt(sActiveTabIndex).getId()); |
| break; |
| } |
| } |
| } |
| }}); |
| |
| v.setOnClickListener(new View.OnClickListener() { |
| |
| public void onClick(View v) { |
| processTabClick((Activity)ll.getContext(), v, ll.getChildAt(sActiveTabIndex).getId()); |
| |
| }}); |
| } |
| } |
| |
| static void processTabClick(Activity a, View v, int current) { |
| int id = v.getId(); |
| if (id == current) { |
| return; |
| } |
| activateTab(a, id); |
| if (id != R.id.nowplayingtab) { |
| setIntPref(a, "activetab", id); |
| } |
| } |
| |
| static void activateTab(Activity a, int id) { |
| Intent intent = new Intent(Intent.ACTION_PICK); |
| switch (id) { |
| case R.id.artisttab: |
| intent.setDataAndType(Uri.EMPTY, "vnd.android.cursor.dir/artistalbum"); |
| break; |
| case R.id.albumtab: |
| intent.setDataAndType(Uri.EMPTY, "vnd.android.cursor.dir/album"); |
| break; |
| case R.id.songtab: |
| intent.setDataAndType(Uri.EMPTY, "vnd.android.cursor.dir/track"); |
| break; |
| case R.id.playlisttab: |
| intent.setDataAndType(Uri.EMPTY, MediaStore.Audio.Playlists.CONTENT_TYPE); |
| break; |
| case R.id.nowplayingtab: |
| intent = new Intent(a, MediaPlaybackActivity.class); |
| a.startActivity(intent); |
| // fall through and return |
| default: |
| return; |
| } |
| intent.putExtra("withtabs", true); |
| intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); |
| a.startActivity(intent); |
| a.finish(); |
| a.overridePendingTransition(0, 0); |
| } |
| |
| static void updateNowPlaying(Activity a) { |
| View nowPlayingView = a.findViewById(R.id.nowplaying); |
| if (nowPlayingView == null) { |
| return; |
| } |
| try { |
| boolean withtabs = false; |
| Intent intent = a.getIntent(); |
| if (intent != null) { |
| withtabs = intent.getBooleanExtra("withtabs", false); |
| } |
| if (true && MusicUtils.sService != null && MusicUtils.sService.getAudioId() != -1) { |
| TextView title = (TextView) nowPlayingView.findViewById(R.id.title); |
| TextView artist = (TextView) nowPlayingView.findViewById(R.id.artist); |
| title.setText(MusicUtils.sService.getTrackName()); |
| String artistName = MusicUtils.sService.getArtistName(); |
| if (MediaFile.UNKNOWN_STRING.equals(artistName)) { |
| artistName = a.getString(R.string.unknown_artist_name); |
| } |
| artist.setText(artistName); |
| //mNowPlayingView.setOnFocusChangeListener(mFocuser); |
| //mNowPlayingView.setOnClickListener(this); |
| nowPlayingView.setVisibility(View.VISIBLE); |
| nowPlayingView.setOnClickListener(new View.OnClickListener() { |
| |
| public void onClick(View v) { |
| Context c = v.getContext(); |
| c.startActivity(new Intent(c, MediaPlaybackActivity.class)); |
| }}); |
| return; |
| } |
| } catch (RemoteException ex) { |
| } |
| nowPlayingView.setVisibility(View.GONE); |
| } |
| |
| } |
