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/*
* Copyright (C) 2015 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 android.support.v17.leanback.supportleanbackshowcase.app.media;
import android.net.Uri;
import android.os.Bundle;
import android.support.v17.leanback.app.PlaybackOverlayFragment;
import android.support.v17.leanback.supportleanbackshowcase.utils.Constants;
import android.support.v17.leanback.supportleanbackshowcase.app.media.MediaPlayerGlue;
import android.support.v17.leanback.supportleanbackshowcase.R;
import android.support.v17.leanback.supportleanbackshowcase.app.media.TrackListHeader;
import android.support.v17.leanback.supportleanbackshowcase.utils.Utils;
import android.support.v17.leanback.supportleanbackshowcase.models.Song;
import android.support.v17.leanback.supportleanbackshowcase.models.SongList;
import android.support.v17.leanback.widget.Action;
import android.support.v17.leanback.widget.ArrayObjectAdapter;
import android.support.v17.leanback.widget.ClassPresenterSelector;
import android.support.v17.leanback.widget.OnItemViewClickedListener;
import android.support.v17.leanback.widget.PlaybackControlsRow;
import android.support.v17.leanback.widget.PlaybackControlsRowPresenter;
import android.support.v17.leanback.widget.Presenter;
import android.support.v17.leanback.widget.Row;
import android.support.v17.leanback.widget.RowPresenter;
import android.util.Log;
import com.google.gson.Gson;
import java.util.List;
/**
* This example shows how to play music files and build a simple track list.
*/
public class MusicConsumptionExampleFragment extends PlaybackOverlayFragment implements
OnItemViewClickedListener, Song.OnSongRowClickListener,
MediaPlayerGlue.OnMediaFileFinishedPlayingListener {
private static final String TAG = "MusicConsumptionExampleFragment";
private ArrayObjectAdapter mRowsAdapter;
private MediaPlayerGlue mGlue;
private int mCurrentSongIndex = 0;
private List<Song> mSongList;
private boolean mAdapterNotified = false;
@Override public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (Constants.LOCAL_LOGD) Log.d(TAG, "onCreate");
mGlue = new MediaPlayerGlue(getActivity(), this) {
@Override protected void onRowChanged(PlaybackControlsRow row) {
if (mRowsAdapter == null || mAdapterNotified) return;
//mAdapterNotified = true;
mRowsAdapter.notifyArrayItemRangeChanged(0, 1);
}
};
mGlue.setOnMediaFileFinishedPlayingListener(this);
String json = Utils.inputStreamToString(
getResources().openRawResource(R.raw.music_consumption_example));
mSongList = new Gson().fromJson(json, SongList.class).getSongs();
Song song = mSongList.get(mCurrentSongIndex);
MediaPlayerGlue.MetaData metaData = new MediaPlayerGlue.MetaData();
metaData.setArtist(song.getDescription());
metaData.setTitle(song.getTitle());
metaData.setCover(getResources().getDrawable(song.getImageResource(getActivity()), null));
Uri uri = Utils.getResourceUri(getActivity(), song.getFileResource(getActivity()));
mGlue.setMetaData(metaData);
mGlue.setMediaSource(uri);
setBackgroundType(PlaybackOverlayFragment.BG_LIGHT);
addPlaybackControlsRow();
}
@Override public void onStart() {
super.onStart();
mGlue.enableProgressUpdating(mGlue.hasValidMedia() && mGlue.isMediaPlaying());
}
@Override public void onStop() {
super.onStop();
mGlue.enableProgressUpdating(false);
mGlue.reset();
}
private void addPlaybackControlsRow() {
final PlaybackControlsRowPresenter controlsPresenter = mGlue
.createControlsRowAndPresenter();
ClassPresenterSelector selector = new ClassPresenterSelector();
Song.Presenter songPresenter = new Song.Presenter(getActivity());
songPresenter.setOnClickListener(this);
selector.addClassPresenter(Song.class, songPresenter);
selector.addClassPresenter(TrackListHeader.class,
new TrackListHeader.Presenter(getActivity()));
selector.addClassPresenter(PlaybackControlsRow.class, controlsPresenter);
mRowsAdapter = new ArrayObjectAdapter(selector);
mRowsAdapter.add(mGlue.getControlsRow());
mRowsAdapter.add(new TrackListHeader());
mRowsAdapter.addAll(2, mSongList);
setAdapter(mRowsAdapter);
setOnItemViewClickedListener(this);
}
@Override public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
RowPresenter.ViewHolder rowViewHolder, Row row) {
if (!(item instanceof Action)) return;
mGlue.onActionClicked((Action) item);
}
@Override public void onSongRowClicked(Song song) {
mCurrentSongIndex = mSongList.indexOf(song);
startPlayback();
}
@Override public void onMediaFileFinishedPlaying(MediaPlayerGlue.MetaData song) {
if (mGlue.repeatOne()) {
startPlayback();
return;
}
if (mGlue.useShuffle()) {
mCurrentSongIndex = (int) (Math.random() * mSongList.size());
} else mCurrentSongIndex++;
if (mCurrentSongIndex >= mSongList.size()) {
mCurrentSongIndex = 0;
if (!mGlue.repeatAll()) return;
}
startPlayback();
}
private void startPlayback() {
Song song = mSongList.get(mCurrentSongIndex);
MediaPlayerGlue.MetaData metaData = new MediaPlayerGlue.MetaData();
metaData.setArtist(song.getDescription());
metaData.setTitle(song.getTitle());
metaData.setCover(getResources().getDrawable(song.getImageResource(getActivity()), null));
Uri uri = Utils.getResourceUri(getActivity(), song.getFileResource(getActivity()));
mGlue.setMetaData(metaData);
mGlue.setMediaSource(uri);
mGlue.startPlayback();
}
}
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