/** {@inheritDoc} */
@Override
public void onScrollStateChanged(final AbsListView view, final int scrollState) {
// Pause disk cache access to ensure smoother scrolling
if (scrollState == AbsListView.OnScrollListener.SCROLL_STATE_FLING
|| scrollState == AbsListView.OnScrollListener.SCROLL_STATE_TOUCH_SCROLL) {
mAdapter.setPauseDiskCache(true);
} else {
mAdapter.setPauseDiskCache(false);
mAdapter.notifyDataSetChanged();
}
}
/**
* @return The position of an item in the list or grid based on the name of the currently playing
* artist.
*/
private int getItemPositionByArtist() {
final long artistId = MusicUtils.getCurrentArtistId();
if (mAdapter == null) {
return 0;
}
for (int i = 0; i < mAdapter.getCount(); i++) {
if (mAdapter.getItem(i).mArtistId == artistId) {
return i;
}
}
return 0;
}
/** {@inheritDoc} */
@Override
public void onCreateContextMenu(
final ContextMenu menu, final View v, final ContextMenuInfo menuInfo) {
super.onCreateContextMenu(menu, v, menuInfo);
// Get the position of the selected item
final AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
// Creat a new model
mArtist = mAdapter.getItem(info.position);
// Create a list of the artist's songs
mArtistList = MusicUtils.getSongListForArtist(getActivity(), mArtist.mArtistId);
// Play the artist
menu.add(
GROUP_ID,
FragmentMenuItems.PLAY_SELECTION,
Menu.NONE,
getString(R.string.context_menu_play_selection));
// Add the artist to the queue
menu.add(GROUP_ID, FragmentMenuItems.ADD_TO_QUEUE, Menu.NONE, getString(R.string.add_to_queue));
// Add the artist to a playlist
final SubMenu subMenu =
menu.addSubMenu(
GROUP_ID, FragmentMenuItems.ADD_TO_PLAYLIST, Menu.NONE, R.string.add_to_playlist);
MusicUtils.makePlaylistMenu(getActivity(), GROUP_ID, subMenu, false);
// Delete the artist
menu.add(
GROUP_ID, FragmentMenuItems.DELETE, Menu.NONE, getString(R.string.context_menu_delete));
}
/** Sets up the grid view */
private void initGridView() {
// Initialize the grid
mGridView = (GridView) mRootView.findViewById(R.id.grid_base);
// Set the data behind the grid
mGridView.setAdapter(mAdapter);
// Set up the helpers
initAbsListView(mGridView);
if (ApolloUtils.isLandscape(getActivity())) {
if (isDetailedLayout()) {
mAdapter.setLoadExtraData(true);
mGridView.setNumColumns(TWO);
} else {
mGridView.setNumColumns(FOUR);
}
} else {
if (isDetailedLayout()) {
mAdapter.setLoadExtraData(true);
mGridView.setNumColumns(ONE);
} else {
mGridView.setNumColumns(TWO);
}
}
}
/** {@inheritDoc} */
@Override
public void onLoadFinished(final Loader<List<Artist>> loader, final List<Artist> data) {
// Check for any errors
if (data.isEmpty()) {
// Set the empty text
final TextView empty = (TextView) mRootView.findViewById(R.id.empty);
empty.setText(getString(R.string.empty_music));
if (isSimpleLayout()) {
mListView.setEmptyView(empty);
} else {
mGridView.setEmptyView(empty);
}
return;
}
// Start fresh
mAdapter.unload();
// Add the data to the adpater
for (final Artist artist : data) {
mAdapter.add(artist);
}
// Build the cache
mAdapter.buildCache();
}
/** {@inheritDoc} */
@Override
public void onLoaderReset(final Loader<List<Artist>> loader) {
// Clear the data in the adapter
mAdapter.unload();
}
/** {@inheritDoc} */
@Override
public void onItemClick(
final AdapterView<?> parent, final View view, final int position, final long id) {
mArtist = mAdapter.getItem(position);
NavUtils.openArtistProfile(getActivity(), mArtist.mArtistName);
}
/** {@inheritDoc} */
@Override
public void onPause() {
super.onPause();
mAdapter.flush();
}