/**
* @return If current {@link Playlist} is empty or null, return 1. If current {@link Playlist} is
* repeating, return FAKE_INFINITY_COUNT. Else return the current {@link Playlist}'s length.
*/
@Override
public int getCount() {
if (mPlaylist == null || mPlaylist.getCount() == 0) {
return 1;
}
if (mPlaylist.isRepeating()) {
return FAKE_INFINITY_COUNT;
}
return mPlaylist.getCount();
}
/**
* update the {@link Playlist} of the {@link AlbumArtSwipeAdapter} to the given {@link Playlist}
*/
public void updatePlaylist() {
if (mPlaybackService != null) {
mPlaylist = mPlaybackService.getCurrentPlaylist();
notifyDataSetChanged();
}
if (mPlaylist != null && mPlaylist.getCount() > 0) {
mFakeInfinityOffset =
mPlaylist.getCount() * ((FAKE_INFINITY_COUNT / 2) / mPlaylist.getCount());
setByUser(false);
if (mPlaylist.isRepeating()) {
setCurrentItem(mPlaylist.getCurrentTrackIndex() + getFakeInfinityOffset(), false);
} else {
setCurrentItem(mPlaylist.getCurrentTrackIndex(), false);
}
setByUser(true);
}
}
public void fillView(Playlist playlist) {
if (findViewById(R.id.imageview_create_playlist) != null) {
findViewById(R.id.imageview_create_playlist).setVisibility(View.GONE);
}
ArrayList<Image> artistImages = new ArrayList<>();
String topArtistsString = "";
String[] artists = playlist.getTopArtistNames();
if (artists != null) {
for (int i = 0; i < artists.length && i < 5 && artistImages.size() < 3; i++) {
Artist artist = Artist.get(artists[i]);
topArtistsString += artists[i];
if (i != artists.length - 1) {
topArtistsString += ", ";
}
if (artist.getImage() != null) {
artistImages.add(artist.getImage());
}
}
}
fillView(mRootView, artistImages, 0, false);
TextView textView1 = (TextView) findViewById(R.id.textview1);
if (textView1 != null) {
textView1.setText(playlist.getName());
}
TextView textView2 = (TextView) findViewById(R.id.textview2);
if (textView2 != null) {
textView2.setText(topArtistsString);
textView2.setVisibility(View.VISIBLE);
}
TextView textView3 = (TextView) findViewById(R.id.textview3);
if (textView3 != null) {
textView3.setVisibility(View.VISIBLE);
textView3.setText(
TomahawkApp.getContext()
.getResources()
.getQuantityString(
R.plurals.songs_with_count, (int) playlist.getCount(), playlist.getCount()));
}
}
/**
* Instantiate an item in the {@link PagerAdapter}. Fill it async with the correct AlbumArt image.
*/
@Override
public Object instantiateItem(View collection, int position) {
ImageView albumArtImageView = new ImageView(mContext);
if (mPlaylist != null && mPlaylist.getCount() > 0) {
if (mPlaylist.isRepeating()
&& mPlaylist.peekTrackAtPos((position) % mPlaylist.getCount()).getAlbum() != null) {
mPlaylist
.peekTrackAtPos((position) % mPlaylist.getCount())
.getAlbum()
.loadBitmap(mContext, albumArtImageView);
} else if (!mPlaylist.isRepeating()
&& mPlaylist.peekTrackAtPos(position).getAlbum() != null) {
mPlaylist.peekTrackAtPos(position).getAlbum().loadBitmap(mContext, albumArtImageView);
} else {
albumArtImageView.setImageResource(R.drawable.no_album_art_placeholder);
}
} else {
albumArtImageView.setImageResource(R.drawable.no_album_art_placeholder);
}
((ViewPager) collection).addView(albumArtImageView);
return albumArtImageView;
}
/**
* @param position to set the current item to
* @param smoothScroll boolean to determine whether or not to show a scrolling animation
*/
public void setCurrentItem(int position, boolean smoothScroll) {
if (position != mCurrentViewPage) {
if (mPlaylist.isRepeating()) {
if (position == (mCurrentViewPage % mPlaylist.getCount()) + 1
|| ((mCurrentViewPage % mPlaylist.getCount()) == mPlaylist.getCount() - 1
&& position == 0)) {
setCurrentToNextItem(smoothScroll);
} else if (position == (mCurrentViewPage % mPlaylist.getCount()) - 1
|| ((mCurrentViewPage % mPlaylist.getCount()) == 0
&& position == mPlaylist.getCount() - 1)) {
setCurrentToPreviousItem(smoothScroll);
} else {
mViewPager.setCurrentItem(position, false);
}
} else {
mViewPager.setCurrentItem(position, smoothScroll);
}
mCurrentViewPage = mViewPager.getCurrentItem();
}
}