| /* |
| * 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.Activity; |
| import android.app.ListActivity; |
| import android.content.*; |
| import android.database.Cursor; |
| import android.database.MatrixCursor; |
| import android.database.MergeCursor; |
| import android.database.sqlite.SQLiteException; |
| import android.media.AudioManager; |
| import android.media.MediaDescription; |
| import android.media.MediaMetadata; |
| import android.media.browse.MediaBrowser; |
| import android.media.session.MediaController; |
| import android.media.session.MediaSession; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.provider.MediaStore; |
| import android.util.Log; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.Window; |
| import android.widget.*; |
| import com.android.music.utils.LogHelper; |
| import com.android.music.utils.MediaIDHelper; |
| |
| import java.text.Collator; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class PlaylistBrowserActivity |
| extends ListActivity implements View.OnCreateContextMenuListener { |
| private static final String TAG = LogHelper.makeLogTag(PlaylistBrowserActivity.class); |
| private PlaylistListAdapter mAdapter; |
| boolean mAdapterSent; |
| private static final MediaBrowser.MediaItem DEFAULT_PARENT_ITEM = new MediaBrowser.MediaItem( |
| new MediaDescription.Builder() |
| .setMediaId(MediaIDHelper.MEDIA_ID_MUSICS_BY_PLAYLIST) |
| .setTitle("Playlists") |
| .build(), |
| MediaBrowser.MediaItem.FLAG_BROWSABLE); |
| |
| private MediaBrowser mMediaBrowser; |
| private MediaBrowser.MediaItem mParentItem; |
| |
| /** Called when the activity is first created. */ |
| @Override |
| public void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| LogHelper.d(TAG, "onCreate()"); |
| // Process past states |
| Intent intent = getIntent(); |
| if (icicle != null) { |
| LogHelper.d(TAG, "Launch by saved instance state"); |
| mParentItem = icicle.getParcelable(MusicUtils.TAG_PARENT_ITEM); |
| MusicUtils.updateNowPlaying(this); |
| } else if (intent != null) { |
| LogHelper.d(TAG, "Launch by intent"); |
| mParentItem = intent.getExtras().getParcelable(MusicUtils.TAG_PARENT_ITEM); |
| } |
| if (mParentItem == null) { |
| LogHelper.d(TAG, "Launch by default parameters"); |
| mParentItem = DEFAULT_PARENT_ITEM; |
| } |
| requestWindowFeature(Window.FEATURE_NO_TITLE); |
| setVolumeControlStream(AudioManager.STREAM_MUSIC); |
| |
| setTitle(R.string.playlists_title); |
| 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(this, R.layout.track_list_item); |
| setTitle(R.string.working_playlists); |
| } else { |
| mAdapter.setActivity(this); |
| } |
| setListAdapter(mAdapter); |
| Log.d(TAG, "Creating MediaBrowser"); |
| mMediaBrowser = new MediaBrowser(this, new ComponentName(this, MediaPlaybackService.class), |
| mConnectionCallback, null); |
| } |
| |
| @Override |
| public Object onRetainNonConfigurationInstance() { |
| PlaylistListAdapter a = mAdapter; |
| mAdapterSent = true; |
| return a; |
| } |
| |
| @Override |
| public void onDestroy() { |
| setListAdapter(null); |
| mAdapter = null; |
| super.onDestroy(); |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| } |
| |
| @Override |
| public void onPause() { |
| super.onPause(); |
| } |
| |
| @Override |
| public void onStart() { |
| Log.d(TAG, "onStart()"); |
| super.onStart(); |
| mMediaBrowser.connect(); |
| } |
| |
| @Override |
| public void onStop() { |
| Log.d(TAG, "onStop()"); |
| super.onStop(); |
| mMediaBrowser.disconnect(); |
| } |
| |
| private MediaBrowser.SubscriptionCallback mSubscriptionCallback = |
| new MediaBrowser.SubscriptionCallback() { |
| |
| @Override |
| public void onChildrenLoaded( |
| String parentId, List<MediaBrowser.MediaItem> children) { |
| mAdapter.clear(); |
| mAdapter.notifyDataSetInvalidated(); |
| for (MediaBrowser.MediaItem item : children) { |
| mAdapter.add(item); |
| } |
| mAdapter.notifyDataSetChanged(); |
| } |
| |
| @Override |
| public void onError(String id) { |
| Toast.makeText(getApplicationContext(), R.string.error_loading_media, |
| Toast.LENGTH_LONG) |
| .show(); |
| } |
| }; |
| |
| private MediaBrowser.ConnectionCallback mConnectionCallback = |
| new MediaBrowser.ConnectionCallback() { |
| @Override |
| public void onConnected() { |
| Log.d(TAG, "onConnected: session token " + mMediaBrowser.getSessionToken()); |
| mMediaBrowser.subscribe(mParentItem.getMediaId(), mSubscriptionCallback); |
| if (mMediaBrowser.getSessionToken() == null) { |
| throw new IllegalArgumentException("No Session token"); |
| } |
| MediaController mediaController = new MediaController( |
| PlaylistBrowserActivity.this, mMediaBrowser.getSessionToken()); |
| mediaController.registerCallback(mMediaControllerCallback); |
| PlaylistBrowserActivity.this.setMediaController(mediaController); |
| if (mediaController.getMetadata() != null) { |
| MusicUtils.updateNowPlaying(PlaylistBrowserActivity.this); |
| } |
| } |
| |
| @Override |
| public void onConnectionFailed() { |
| Log.d(TAG, "onConnectionFailed"); |
| } |
| |
| @Override |
| public void onConnectionSuspended() { |
| Log.d(TAG, "onConnectionSuspended"); |
| PlaylistBrowserActivity.this.setMediaController(null); |
| } |
| }; |
| |
| private MediaController.Callback mMediaControllerCallback = new MediaController.Callback() { |
| @Override |
| public void onMetadataChanged(MediaMetadata metadata) { |
| super.onMetadataChanged(metadata); |
| MusicUtils.updateNowPlaying(PlaylistBrowserActivity.this); |
| } |
| }; |
| |
| private class PlaylistListAdapter extends ArrayAdapter<MediaBrowser.MediaItem> { |
| private int mLayoutId; |
| private Activity mActivity; |
| |
| PlaylistListAdapter(PlaylistBrowserActivity currentactivity, int layout) { |
| super(currentactivity, layout); |
| mActivity = currentactivity; |
| mLayoutId = layout; |
| } |
| |
| private class ViewHolder { |
| TextView line1; |
| TextView line2; |
| ImageView icon; |
| ImageView play_indicator; |
| } |
| |
| public void setActivity(PlaylistBrowserActivity newactivity) { |
| mActivity = newactivity; |
| } |
| |
| @Override |
| public View getView(int position, View convertView, ViewGroup parent) { |
| if (convertView == null) { |
| convertView = LayoutInflater.from(getContext()).inflate(mLayoutId, parent, false); |
| ViewHolder vhx = new ViewHolder(); |
| vhx.line1 = (TextView) convertView.findViewById(R.id.line1); |
| vhx.line2 = (TextView) convertView.findViewById(R.id.line2); |
| vhx.icon = (ImageView) convertView.findViewById(R.id.icon); |
| vhx.play_indicator = (ImageView) convertView.findViewById(R.id.play_indicator); |
| convertView.setTag(vhx); |
| } |
| ViewHolder vh = (ViewHolder) convertView.getTag(); |
| MediaBrowser.MediaItem item = getItem(position); |
| vh.line1.setText(item.getDescription().getTitle()); |
| vh.line2.setVisibility(View.GONE); |
| vh.play_indicator.setVisibility(View.GONE); |
| vh.icon.setImageResource(R.drawable.ic_mp_playlist_list); |
| ViewGroup.LayoutParams p = vh.icon.getLayoutParams(); |
| p.width = ViewGroup.LayoutParams.WRAP_CONTENT; |
| p.height = ViewGroup.LayoutParams.WRAP_CONTENT; |
| return convertView; |
| } |
| } |
| |
| @Override |
| protected void onListItemClick(ListView l, View v, int position, long id) { |
| MediaBrowser.MediaItem item = mAdapter.getItem(position); |
| Intent intent = new Intent(Intent.ACTION_PICK); |
| intent.setDataAndType(Uri.EMPTY, "vnd.android.cursor.dir/track"); |
| intent.putExtra(MusicUtils.TAG_PARENT_ITEM, item); |
| startActivity(intent); |
| } |
| } |