| /* |
| * 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.ExpandableListActivity; |
| import android.content.ComponentName; |
| import android.content.Intent; |
| import android.graphics.Bitmap; |
| import android.graphics.drawable.BitmapDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.media.AudioManager; |
| import android.media.MediaDescription; |
| import android.media.MediaMetadata; |
| import android.media.browse.MediaBrowser; |
| import android.media.session.MediaController; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.Window; |
| import android.widget.ExpandableListView; |
| import android.widget.ImageView; |
| import android.widget.SimpleExpandableListAdapter; |
| import android.widget.TextView; |
| import android.widget.Toast; |
| |
| import com.android.music.utils.LogHelper; |
| import com.android.music.utils.MediaIDHelper; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| public class ArtistAlbumBrowserActivity extends ExpandableListActivity { |
| private static final String TAG = LogHelper.makeLogTag(ArtistAlbumBrowserActivity.class); |
| private static final String KEY_NUM_ALBUMS = "__NUM_ALBUMS__"; |
| private static final MediaBrowser.MediaItem DEFAULT_PARENT_ITEM = |
| new MediaBrowser.MediaItem(new MediaDescription.Builder() |
| .setMediaId(MediaIDHelper.MEDIA_ID_MUSICS_BY_ARTIST) |
| .build(), |
| MediaBrowser.MediaItem.FLAG_BROWSABLE); |
| |
| private ArtistAlbumListAdapter mAdapter; |
| 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()"); |
| // Handle past states |
| if (icicle != null) { |
| mParentItem = icicle.getParcelable(MusicUtils.TAG_PARENT_ITEM); |
| } else if (getIntent() != null) { |
| mParentItem = getIntent().getExtras().getParcelable(MusicUtils.TAG_PARENT_ITEM); |
| } |
| if (mParentItem == null) { |
| mParentItem = DEFAULT_PARENT_ITEM; |
| } |
| requestWindowFeature(Window.FEATURE_NO_TITLE); |
| setVolumeControlStream(AudioManager.STREAM_MUSIC); |
| |
| // Init layout |
| setContentView(R.layout.media_picker_activity_expanding); |
| MusicUtils.updateButtonBar(this, R.id.artisttab); |
| |
| // Init expandable list |
| ExpandableListView lv = getExpandableListView(); |
| lv.setTextFilterEnabled(true); |
| mAdapter = (ArtistAlbumListAdapter) getLastNonConfigurationInstance(); |
| if (mAdapter == null) { |
| // Log.i("@@@", "starting query"); |
| mAdapter = new ArtistAlbumListAdapter(this, new ArrayList<>(), new ArrayList<>()); |
| setListAdapter(mAdapter); |
| setTitle(R.string.working_artists); |
| } else { |
| mAdapter.setActivity(this); |
| } |
| setListAdapter(mAdapter); |
| LogHelper.d(TAG, "Creating MediaBrowser"); |
| mMediaBrowser = new MediaBrowser(this, new ComponentName(this, MediaPlaybackService.class), |
| mConnectionCallback, null); |
| } |
| |
| @Override |
| public Object onRetainNonConfigurationInstance() { |
| return mAdapter; |
| } |
| |
| @Override |
| public void onSaveInstanceState(Bundle outcicle) { |
| outcicle.putParcelable(MusicUtils.TAG_PARENT_ITEM, mParentItem); |
| super.onSaveInstanceState(outcicle); |
| } |
| |
| @Override |
| public void onDestroy() { |
| setListAdapter(null); |
| mAdapter = null; |
| setListAdapter(null); |
| super.onDestroy(); |
| } |
| |
| @Override |
| public void onStart() { |
| LogHelper.d(TAG, "onStart()"); |
| super.onStart(); |
| mMediaBrowser.connect(); |
| } |
| |
| @Override |
| public void onStop() { |
| LogHelper.d(TAG, "onStop()"); |
| super.onStop(); |
| mMediaBrowser.disconnect(); |
| } |
| |
| private MediaBrowser |
| .SubscriptionCallback mSubscriptionCallback = new MediaBrowser.SubscriptionCallback() { |
| @Override |
| public void onChildrenLoaded(String parentId, List<MediaBrowser.MediaItem> children) { |
| if (parentId.equals(MediaIDHelper.MEDIA_ID_MUSICS_BY_ARTIST)) { |
| mAdapter.getArtistMap().clear(); |
| mAdapter.getGroupData().clear(); |
| mAdapter.notifyDataSetInvalidated(); |
| for (MediaBrowser.MediaItem item : children) { |
| ConcurrentHashMap<String, MediaBrowser.MediaItem> entry = |
| new ConcurrentHashMap<>(); |
| entry.put(MediaIDHelper.MEDIA_ID_MUSICS_BY_ARTIST, item); |
| synchronized (this) { |
| mAdapter.getArtistMap().put(item.getDescription().getTitle().toString(), |
| mAdapter.getGroupData().size()); |
| mAdapter.getGroupData().add(entry); |
| mAdapter.getChildData().add(new ArrayList<>()); |
| } |
| mMediaBrowser.subscribe(item.getMediaId(), this); |
| } |
| mAdapter.notifyDataSetChanged(); |
| } else if (parentId.startsWith(MediaIDHelper.MEDIA_ID_MUSICS_BY_ARTIST)) { |
| String artist = MediaIDHelper.getHierarchy(parentId)[1]; |
| if (!mAdapter.getArtistMap().containsKey(artist)) { |
| return; |
| } |
| int artistIndex = mAdapter.getArtistMap().get(artist); |
| mAdapter.getChildData().get(artistIndex).clear(); |
| mAdapter.notifyDataSetInvalidated(); |
| Bundle extras = new Bundle(); |
| extras.putLong(KEY_NUM_ALBUMS, children.size()); |
| MediaBrowser.MediaItem newArtistItem = |
| new MediaBrowser.MediaItem(new MediaDescription.Builder() |
| .setMediaId("Count") |
| .setExtras(extras) |
| .build(), |
| 0); |
| mAdapter.getGroupData().get(artistIndex).put(KEY_NUM_ALBUMS, newArtistItem); |
| for (MediaBrowser.MediaItem item : children) { |
| ConcurrentHashMap<String, MediaBrowser.MediaItem> entry = |
| new ConcurrentHashMap<>(); |
| entry.put(MediaIDHelper.MEDIA_ID_MUSICS_BY_ALBUM, item); |
| mAdapter.getChildData().get(artistIndex).add(entry); |
| } |
| 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() { |
| LogHelper.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( |
| ArtistAlbumBrowserActivity.this, mMediaBrowser.getSessionToken()); |
| mediaController.registerCallback(mMediaControllerCallback); |
| ArtistAlbumBrowserActivity.this.setMediaController(mediaController); |
| if (mediaController.getMetadata() != null) { |
| MusicUtils.updateNowPlaying(ArtistAlbumBrowserActivity.this); |
| } |
| } |
| |
| @Override |
| public void onConnectionFailed() { |
| LogHelper.d(TAG, "onConnectionFailed"); |
| } |
| |
| @Override |
| public void onConnectionSuspended() { |
| LogHelper.d(TAG, "onConnectionSuspended"); |
| ArtistAlbumBrowserActivity.this.setMediaController(null); |
| } |
| }; |
| |
| private MediaController.Callback mMediaControllerCallback = new MediaController.Callback() { |
| @Override |
| public void onMetadataChanged(MediaMetadata metadata) { |
| super.onMetadataChanged(metadata); |
| MusicUtils.updateNowPlaying(ArtistAlbumBrowserActivity.this); |
| } |
| }; |
| |
| private class ArtistAlbumListAdapter extends SimpleExpandableListAdapter { |
| private final Drawable mNowPlayingOverlay; |
| private final BitmapDrawable mDefaultAlbumIcon; |
| private ArtistAlbumBrowserActivity mActivity; |
| private ArrayList<ConcurrentHashMap<String, MediaBrowser.MediaItem>> mGroupData; |
| private ArrayList < ArrayList |
| < ConcurrentHashMap<String, MediaBrowser.MediaItem>>> mChildData; |
| private ConcurrentHashMap<String, Integer> mArtistMap; |
| |
| private class ViewHolder { |
| TextView line1; |
| TextView line2; |
| ImageView play_indicator; |
| ImageView icon; |
| } |
| |
| ArtistAlbumListAdapter(ArtistAlbumBrowserActivity currentActivity, |
| ArrayList<ConcurrentHashMap<String, MediaBrowser.MediaItem>> groupData, |
| ArrayList < ArrayList |
| < ConcurrentHashMap<String, MediaBrowser.MediaItem>>> childData) { |
| super(currentActivity, groupData, R.layout.track_list_item_group, new String[] {}, |
| new int[] {}, childData, R.layout.track_list_item_child, new String[] {}, |
| new int[] {}); |
| mGroupData = groupData; |
| mChildData = childData; |
| mActivity = currentActivity; |
| mNowPlayingOverlay = currentActivity.getResources().getDrawable( |
| R.drawable.indicator_ic_mp_playing_list, currentActivity.getTheme()); |
| mDefaultAlbumIcon = (BitmapDrawable) currentActivity.getResources().getDrawable( |
| R.drawable.albumart_mp_unknown_list, currentActivity.getTheme()); |
| // no filter or dither, it's a lot faster and we can't tell the difference |
| mDefaultAlbumIcon.setFilterBitmap(false); |
| mDefaultAlbumIcon.setDither(false); |
| mArtistMap = new ConcurrentHashMap<>(); |
| } |
| |
| public ArrayList<ConcurrentHashMap<String, MediaBrowser.MediaItem>> getGroupData() { |
| return mGroupData; |
| } |
| |
| public ArrayList < ArrayList |
| < ConcurrentHashMap<String, MediaBrowser.MediaItem>>> getChildData() { |
| return mChildData; |
| } |
| |
| public Map<String, Integer> getArtistMap() { |
| return mArtistMap; |
| } |
| |
| public void setActivity(ArtistAlbumBrowserActivity newactivity) { |
| mActivity = newactivity; |
| } |
| |
| @Override |
| public View newGroupView(boolean isExpanded, ViewGroup parent) { |
| View v = super.newGroupView(isExpanded, parent); |
| ImageView iv = (ImageView) v.findViewById(R.id.icon); |
| ViewGroup.LayoutParams p = iv.getLayoutParams(); |
| p.width = ViewGroup.LayoutParams.WRAP_CONTENT; |
| p.height = ViewGroup.LayoutParams.WRAP_CONTENT; |
| ViewHolder vh = new ViewHolder(); |
| vh.line1 = (TextView) v.findViewById(R.id.line1); |
| vh.line2 = (TextView) v.findViewById(R.id.line2); |
| vh.play_indicator = (ImageView) v.findViewById(R.id.play_indicator); |
| vh.icon = (ImageView) v.findViewById(R.id.icon); |
| vh.icon.setPadding(0, 0, 1, 0); |
| v.setTag(vh); |
| return v; |
| } |
| |
| @Override |
| public View newChildView(boolean isLastChild, ViewGroup parent) { |
| View v = super.newChildView(isLastChild, parent); |
| ViewHolder vh = new ViewHolder(); |
| vh.line1 = (TextView) v.findViewById(R.id.line1); |
| vh.line2 = (TextView) v.findViewById(R.id.line2); |
| vh.play_indicator = (ImageView) v.findViewById(R.id.play_indicator); |
| vh.icon = (ImageView) v.findViewById(R.id.icon); |
| vh.icon.setBackground(mDefaultAlbumIcon); |
| vh.icon.setPadding(0, 0, 1, 0); |
| v.setTag(vh); |
| return v; |
| } |
| |
| @Override |
| public View getGroupView( |
| int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) { |
| if (convertView == null) { |
| convertView = newGroupView(isExpanded, parent); |
| } |
| Map<String, MediaBrowser.MediaItem> artistEntry = |
| (Map<String, MediaBrowser.MediaItem>) getGroup(groupPosition); |
| MediaBrowser.MediaItem artistItem = |
| artistEntry.get(MediaIDHelper.MEDIA_ID_MUSICS_BY_ARTIST); |
| MediaBrowser.MediaItem countItem = artistEntry.get(KEY_NUM_ALBUMS); |
| ViewHolder vh = (ViewHolder) convertView.getTag(); |
| vh.line1.setText(artistItem.getDescription().getTitle()); |
| int numalbums = -1; |
| if (countItem != null) { |
| Bundle extras = countItem.getDescription().getExtras(); |
| if (extras != null) { |
| numalbums = (int) extras.getLong(KEY_NUM_ALBUMS); |
| } |
| } |
| String songs_albums = MusicUtils.makeAlbumsLabel(mActivity, numalbums, -1, false); |
| vh.line2.setText(songs_albums); |
| MediaController mediaController = mActivity.getMediaController(); |
| if (mediaController == null) { |
| vh.play_indicator.setImageDrawable(null); |
| return convertView; |
| } |
| MediaMetadata metadata = mediaController.getMetadata(); |
| if (metadata == null) { |
| vh.play_indicator.setImageDrawable(null); |
| return convertView; |
| } |
| if (metadata.getString(MediaMetadata.METADATA_KEY_ARTIST) |
| .equals(artistItem.getDescription().getTitle()) |
| && !isExpanded) { |
| vh.play_indicator.setImageDrawable(mNowPlayingOverlay); |
| } else { |
| vh.play_indicator.setImageDrawable(null); |
| } |
| return convertView; |
| } |
| |
| @Override |
| public View getChildView(int groupPosition, int childPosition, boolean isLastChild, |
| View convertView, ViewGroup parent) { |
| if (convertView == null) { |
| convertView = newChildView(isLastChild, parent); |
| } |
| Map<String, MediaBrowser.MediaItem> albumEntry = |
| (Map<String, MediaBrowser.MediaItem>) getChild(groupPosition, childPosition); |
| MediaBrowser.MediaItem albumItem = |
| albumEntry.get(MediaIDHelper.MEDIA_ID_MUSICS_BY_ALBUM); |
| ViewHolder vh = (ViewHolder) convertView.getTag(); |
| vh.line1.setText(albumItem.getDescription().getTitle()); |
| vh.line2.setText(albumItem.getDescription().getDescription()); |
| Bitmap albumArt = albumItem.getDescription().getIconBitmap(); |
| if (albumArt == null) { |
| vh.icon.setBackground(mDefaultAlbumIcon); |
| } else { |
| vh.icon.setImageDrawable(MusicUtils.getDrawableBitmap(albumArt, mDefaultAlbumIcon)); |
| } |
| MediaController mediaController = mActivity.getMediaController(); |
| if (mediaController == null) { |
| vh.play_indicator.setImageDrawable(null); |
| return convertView; |
| } |
| MediaMetadata metadata = mediaController.getMetadata(); |
| if (metadata == null) { |
| vh.play_indicator.setImageDrawable(null); |
| return convertView; |
| } |
| if (albumItem.getDescription().getTitle().equals( |
| metadata.getString(MediaMetadata.METADATA_KEY_ALBUM))) { |
| vh.play_indicator.setImageDrawable(mNowPlayingOverlay); |
| } else { |
| vh.play_indicator.setImageDrawable(null); |
| } |
| return convertView; |
| } |
| } |
| |
| @Override |
| public boolean onChildClick( |
| ExpandableListView parent, View v, int groupPosition, int childPosition, long id) { |
| Map<String, MediaBrowser.MediaItem> albumEntry = |
| (Map<String, MediaBrowser.MediaItem>) mAdapter.getChild( |
| groupPosition, childPosition); |
| Intent intent = new Intent(Intent.ACTION_PICK); |
| intent.setDataAndType(Uri.EMPTY, "vnd.android.cursor.dir/track"); |
| intent.putExtra( |
| MusicUtils.TAG_PARENT_ITEM, albumEntry.get(MediaIDHelper.MEDIA_ID_MUSICS_BY_ALBUM)); |
| startActivity(intent); |
| return true; |
| } |
| } |