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package com.cyngn.eleven.ui.fragments;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.support.v4.app.LoaderManager;
import android.support.v4.app.LoaderManager.LoaderCallbacks;
import android.support.v4.content.Loader;
import android.view.View;
import android.widget.AbsListView;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ImageView;
import android.widget.TextView;
import com.cyngn.eleven.Config;
import com.cyngn.eleven.R;
import com.cyngn.eleven.adapters.PagerAdapter;
import com.cyngn.eleven.adapters.ProfileSongAdapter;
import com.cyngn.eleven.cache.ImageFetcher;
import com.cyngn.eleven.dragdrop.DragSortListView;
import com.cyngn.eleven.dragdrop.DragSortListView.DragScrollProfile;
import com.cyngn.eleven.dragdrop.DragSortListView.DropListener;
import com.cyngn.eleven.dragdrop.DragSortListView.RemoveListener;
import com.cyngn.eleven.loaders.PlaylistSongLoader;
import com.cyngn.eleven.menu.FragmentMenuItems;
import com.cyngn.eleven.model.Playlist;
import com.cyngn.eleven.model.Song;
import com.cyngn.eleven.recycler.RecycleHolder;
import com.cyngn.eleven.utils.MusicUtils;
import com.cyngn.eleven.utils.PlaylistPopupMenuHelper;
import com.cyngn.eleven.utils.PopupMenuHelper;
import com.cyngn.eleven.utils.PopupMenuHelper.PopupMenuType;
import com.cyngn.eleven.utils.SongPopupMenuHelper;
import com.cyngn.eleven.widgets.IPopupMenuCallback;
import com.cyngn.eleven.widgets.LoadingEmptyContainer;
import com.cyngn.eleven.widgets.NoResultsContainer;
import java.util.List;
import java.util.TreeSet;
public class PlaylistDetailFragment extends FadingBarFragment implements
LoaderCallbacks<List<Song>>, OnItemClickListener, DropListener,
RemoveListener, DragScrollProfile, IChildFragment {
/**
* LoaderCallbacks identifier
*/
private static final int LOADER = 0;
private DragSortListView mListView;
private ProfileSongAdapter mAdapter;
private View mHeaderContainer;
private ImageView mPlaylistImageView;
private LoadingEmptyContainer mLoadingEmptyContainer;
private TextView mNumberOfSongs;
private TextView mDurationOfPlaylist;
/**
* The Id of the playlist the songs belong to
*/
private long mPlaylistId;
private String mPlaylistName;
/**
* Pop up menu helper
*/
private PopupMenuHelper mPopupMenuHelper;
@Override
protected String getTitle() { return mPlaylistName; }
@Override
protected int getLayoutToInflate() {
return R.layout.playlist_detail;
}
@Override
protected void onViewCreated() {
super.onViewCreated();
setupHero();
setupSongList();
}
private void lookupName() {
mPlaylistName = MusicUtils.getNameForPlaylist(getActivity(), mPlaylistId);
}
@Override // DetailFragment
protected PopupMenuHelper createActionMenuHelper() {
return new PlaylistPopupMenuHelper(
getActivity(), getChildFragmentManager(), PopupMenuType.Playlist) {
public Playlist getPlaylist(int position) {
return new Playlist(mPlaylistId, getTitle(), 0);
}
};
}
@Override // DetailFragment
protected int getShuffleTitleId() { return R.string.menu_shuffle_playlist; }
@Override // DetailFragment
protected void playShuffled() {
MusicUtils.playPlaylist(getActivity(), mPlaylistId, true);
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
LoaderManager lm = getLoaderManager();
lm.initLoader(0, getArguments(), this);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mPopupMenuHelper = new SongPopupMenuHelper(getActivity(), getFragmentManager()) {
@Override
public Song getSong(int position) {
if (position == 0) {
return null;
}
return mAdapter.getItem(position);
}
@Override
protected void updateMenuIds(PopupMenuType type, TreeSet<Integer> set) {
super.updateMenuIds(type, set);
set.add(FragmentMenuItems.REMOVE_FROM_PLAYLIST);
set.remove(FragmentMenuItems.DELETE);
}
@Override
protected long getSourceId() {
return mPlaylistId;
}
@Override
protected Config.IdType getSourceType() {
return Config.IdType.Playlist;
}
@Override
protected void removeFromPlaylist() {
mAdapter.remove(mSong);
mAdapter.notifyDataSetChanged();
MusicUtils.removeFromPlaylist(getActivity(), mSong.mSongId, mPlaylistId);
getLoaderManager().restartLoader(LOADER, null, PlaylistDetailFragment.this);
}
};
mPlaylistId = getArguments().getLong(Config.ID);
lookupName();
}
private void setupHero() {
mPlaylistImageView = (ImageView)mRootView.findViewById(R.id.image);
mHeaderContainer = mRootView.findViewById(R.id.playlist_header);
mNumberOfSongs = (TextView)mRootView.findViewById(R.id.number_of_songs_text);
mDurationOfPlaylist = (TextView)mRootView.findViewById(R.id.duration_text);
final ImageFetcher imageFetcher = ImageFetcher.getInstance(getActivity());
imageFetcher.loadPlaylistArtistImage(mPlaylistId, mPlaylistImageView);
}
private void setupSongList() {
mListView = (DragSortListView) mRootView.findViewById(R.id.list_base);
mListView.setOnScrollListener(PlaylistDetailFragment.this);
mAdapter = new ProfileSongAdapter(
mPlaylistId,
getActivity(),
R.layout.edit_track_list_item,
R.layout.faux_playlist_header
);
mAdapter.setPopupMenuClickedListener(new IPopupMenuCallback.IListener() {
@Override
public void onPopupMenuClicked(View v, int position) {
mPopupMenuHelper.showPopupMenu(v, position);
}
});
mListView.setAdapter(mAdapter);
// Release any references to the recycled Views
mListView.setRecyclerListener(new RecycleHolder());
// Play the selected song
mListView.setOnItemClickListener(this);
// Set the drop listener
mListView.setDropListener(this);
// Set the swipe to remove listener
mListView.setRemoveListener(this);
// Quick scroll while dragging
mListView.setDragScrollProfile(this);
// Adjust the progress bar padding to account for the header
int padTop = getResources().getDimensionPixelSize(R.dimen.playlist_detail_header_height);
mRootView.findViewById(R.id.progressbar).setPadding(0, padTop, 0, 0);
// set the loading and empty view container
mLoadingEmptyContainer =
(LoadingEmptyContainer)mRootView.findViewById(R.id.loading_empty_container);
setupNoResultsContainer(mLoadingEmptyContainer.getNoResultsContainer());
mListView.setEmptyView(mLoadingEmptyContainer);
}
private void setupNoResultsContainer(final NoResultsContainer container) {
container.setMainText(R.string.empty_playlist_main);
container.setSecondaryText(R.string.empty_playlist_secondary);
}
/**
* {@inheritDoc}
*/
@Override
public float getSpeed(final float w, final long t) {
if (w > 0.8f) {
return mAdapter.getCount() / 0.001f;
} else {
return 10.0f * w;
}
}
/**
* {@inheritDoc}
*/
@Override
public void remove(final int which) {
if (which == 0) {
return;
}
Song song = mAdapter.getItem(which);
mAdapter.remove(song);
mAdapter.buildCache();
mAdapter.notifyDataSetChanged();
final Uri uri = MediaStore.Audio.Playlists.Members.getContentUri("external", mPlaylistId);
getActivity().getContentResolver().delete(uri,
MediaStore.Audio.Playlists.Members.AUDIO_ID + "=" + song.mSongId,
null);
MusicUtils.refresh();
}
/**
* {@inheritDoc}
*/
@Override
public void drop(int from, int to) {
from = Math.max(ProfileSongAdapter.NUM_HEADERS, from);
to = Math.max(ProfileSongAdapter.NUM_HEADERS, to);
Song song = mAdapter.getItem(from);
mAdapter.remove(song);
mAdapter.insert(song, to);
mAdapter.buildCache();
mAdapter.notifyDataSetChanged();
final int realFrom = from - ProfileSongAdapter.NUM_HEADERS;
final int realTo = to - ProfileSongAdapter.NUM_HEADERS;
MediaStore.Audio.Playlists.Members.moveItem(getActivity().getContentResolver(),
mPlaylistId, realFrom, realTo);
}
/**
* {@inheritDoc}
*/
@Override
public void onItemClick(final AdapterView<?> parent, final View view, final int position,
final long id) {
if (position == 0) {
return;
}
Cursor cursor = PlaylistSongLoader.makePlaylistSongCursor(getActivity(),
mPlaylistId);
final long[] list = MusicUtils.getSongListForCursor(cursor);
MusicUtils.playAll(getActivity(), list, position - ProfileSongAdapter.NUM_HEADERS,
mPlaylistId, Config.IdType.Playlist, false);
cursor.close();
cursor = null;
}
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
super.onScrollStateChanged(view, scrollState);
if (scrollState == AbsListView.OnScrollListener.SCROLL_STATE_FLING) {
mAdapter.setPauseDiskCache(true);
} else {
mAdapter.setPauseDiskCache(false);
mAdapter.notifyDataSetChanged();
}
}
protected int getHeaderHeight() { return mHeaderContainer.getHeight(); }
protected void setHeaderPosition(float y) {
// Offset the header height to account for the faux header
y = y - getResources().getDimension(R.dimen.header_bar_height);
mHeaderContainer.setY(y);
}
@Override
public Loader<List<Song>> onCreateLoader(int i, Bundle bundle) {
mLoadingEmptyContainer.showLoading();
return new PlaylistSongLoader(getActivity(), mPlaylistId);
}
@Override
public void onLoadFinished(final Loader<List<Song>> loader, final List<Song> data) {
if (data.isEmpty()) {
mLoadingEmptyContainer.showNoResults();
// hide the header container
mHeaderContainer.setVisibility(View.INVISIBLE);
// Start fresh
mAdapter.unload();
} else {
// show the header container
mHeaderContainer.setVisibility(View.VISIBLE);
// Start fresh
mAdapter.unload();
// Return the correct count
mAdapter.addAll(data);
// build the cache
mAdapter.buildCache();
// set the number of songs
String numberOfSongs = MusicUtils.makeLabel(getActivity(), R.plurals.Nsongs,
data.size());
mNumberOfSongs.setText(numberOfSongs);
long duration = 0;
// Add the data to the adapter
for (final Song song : data) {
duration += song.mDuration;
}
// set the duration
String durationString = MusicUtils.makeLongTimeString(getActivity(), duration);
mDurationOfPlaylist.setText(durationString);
}
}
@Override
public void onLoaderReset(final Loader<List<Song>> loader) {
// Clear the data in the adapter
mAdapter.unload();
}
@Override
public void restartLoader() {
// unload the adapter - this will also get the loading progress bar to show
mAdapter.unload();
lookupName(); // playlist name may have changed
if(mPlaylistName == null) {
// if name is null, we've been deleted, so close the this fragment
getContainingActivity().postRemoveFragment(this);
return;
}
// since onCreateOptionsMenu can be called after onCreate it is possible for
// mActionMenuHelper to be null. In this case, don't bother updating the Name since when
// it does create it, it will use the updated name anyways
if (mActionMenuHelper != null) {
// update action bar title and popup menu handler
((PlaylistPopupMenuHelper) mActionMenuHelper).updateName(mPlaylistName);
}
getContainingActivity().setActionBarTitle(mPlaylistName);
// and reload the song list
getLoaderManager().restartLoader(0, getArguments(), this);
}
@Override
public void onMetaChanged() {
super.onMetaChanged();
mAdapter.setCurrentlyPlayingTrack(MusicUtils.getCurrentTrack());
}
@Override
public void onPlaylistChanged() {
super.onPlaylistChanged();
restartLoader();
}
@Override
public PagerAdapter.MusicFragments getMusicFragmentParent() {
return PagerAdapter.MusicFragments.PLAYLIST;
}
}
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