diff options
Diffstat (limited to 'app/src/main/java')
| -rw-r--r-- | app/src/main/java/github/daneren2005/dsub/fragments/SelectRecyclerFragment.java | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/app/src/main/java/github/daneren2005/dsub/fragments/SelectRecyclerFragment.java b/app/src/main/java/github/daneren2005/dsub/fragments/SelectRecyclerFragment.java new file mode 100644 index 00000000..6fd56fd1 --- /dev/null +++ b/app/src/main/java/github/daneren2005/dsub/fragments/SelectRecyclerFragment.java @@ -0,0 +1,191 @@ +/* + This file is part of Subsonic. + Subsonic is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + Subsonic is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + You should have received a copy of the GNU General Public License + along with Subsonic. If not, see <http://www.gnu.org/licenses/>. + Copyright 2015 (C) Scott Jackson +*/ +package github.daneren2005.dsub.fragments; + +import android.os.Bundle; +import android.support.v4.widget.SwipeRefreshLayout; +import android.support.v7.widget.GridLayoutManager; +import android.support.v7.widget.LinearLayoutManager; +import android.support.v7.widget.RecyclerView; +import android.util.Log; +import android.view.LayoutInflater; +import android.view.Menu; +import android.view.MenuInflater; +import android.view.MenuItem; +import android.view.View; +import android.view.ViewGroup; +import android.widget.AdapterView; +import android.widget.ArrayAdapter; +import android.widget.ListView; + +import java.io.Serializable; +import java.util.ArrayList; +import java.util.List; + +import github.daneren2005.dsub.R; +import github.daneren2005.dsub.service.MusicService; +import github.daneren2005.dsub.service.MusicServiceFactory; +import github.daneren2005.dsub.util.BackgroundTask; +import github.daneren2005.dsub.util.Constants; +import github.daneren2005.dsub.util.ProgressListener; +import github.daneren2005.dsub.util.TabBackgroundTask; +import github.daneren2005.dsub.util.Util; +import github.daneren2005.dsub.view.GridSpacingDecoration; + +public abstract class SelectRecyclerFragment<T> extends SubsonicFragment { + private static final String TAG = SelectRecyclerFragment.class.getSimpleName(); + protected RecyclerView recyclerView; + protected RecyclerView.Adapter adapter; + protected BackgroundTask<List<T>> currentTask; + protected List<T> objects; + protected boolean serialize = true; + protected boolean largeCells; + protected int columns; + + @Override + public void onCreate(Bundle bundle) { + super.onCreate(bundle); + + if(bundle != null && serialize) { + objects = (List<T>) bundle.getSerializable(Constants.FRAGMENT_LIST); + } + largeCells = Util.getPreferences(context).getBoolean(Constants.PREFERENCES_KEY_LARGE_ALBUM_ART, true); + columns = context.getResources().getInteger(R.integer.Grid_Columns); + } + + @Override + public void onSaveInstanceState(Bundle outState) { + super.onSaveInstanceState(outState); + if(serialize) { + outState.putSerializable(Constants.FRAGMENT_LIST, (Serializable) objects); + } + } + + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle bundle) { + rootView = inflater.inflate(R.layout.abstract_recycler_fragment, container, false); + + refreshLayout = (SwipeRefreshLayout) rootView.findViewById(R.id.refresh_layout); + refreshLayout.setOnRefreshListener(this); + + recyclerView = (RecyclerView) rootView.findViewById(R.id.fragment_recycler); + setupLayoutManager(); + setupScrollList(recyclerView); + + if(objects == null) { + refresh(false); + } else { + recyclerView.setAdapter(adapter = getAdapter(objects)); + } + + return rootView; + } + + @Override + public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflater) { + if(!primaryFragment) { + return; + } + + menuInflater.inflate(getOptionsMenu(), menu); + } + + @Override + public boolean onOptionsItemSelected(MenuItem item) { + return super.onOptionsItemSelected(item); + } + + @Override + protected void refresh(final boolean refresh) { + int titleRes = getTitleResource(); + if(titleRes != 0) { + setTitle(getTitleResource()); + } + recyclerView.setVisibility(View.GONE); + + // Cancel current running task before starting another one + if(currentTask != null) { + currentTask.cancel(); + } + + currentTask = new TabBackgroundTask<List<T>>(this) { + @Override + protected List<T> doInBackground() throws Throwable { + MusicService musicService = MusicServiceFactory.getMusicService(context); + + objects = new ArrayList<T>(); + + try { + objects = getObjects(musicService, refresh, this); + } catch (Exception x) { + Log.e(TAG, "Failed to load", x); + } + + return objects; + } + + @Override + protected void done(List<T> result) { + if (result != null && !result.isEmpty()) { + recyclerView.setAdapter(adapter = getAdapter(result)); + + onFinishRefresh(); + recyclerView.setVisibility(View.VISIBLE); + } else { + setEmpty(true); + } + + currentTask = null; + } + }; + currentTask.execute(); + } + + public void setupLayoutManager() { + if(largeCells) { + final int columns = context.getResources().getInteger(R.integer.Grid_Columns); + GridLayoutManager gridLayoutManager = new GridLayoutManager(context, columns); + + GridLayoutManager.SpanSizeLookup spanSizeLookup = getSpanSizeLookup(); + if(spanSizeLookup != null) { + gridLayoutManager.setSpanSizeLookup(spanSizeLookup); + } + RecyclerView.ItemDecoration itemDecoration = getItemDecoration(); + if(itemDecoration != null) { + recyclerView.addItemDecoration(itemDecoration); + } + recyclerView.setLayoutManager(gridLayoutManager); + } else { + LinearLayoutManager layoutManager = new LinearLayoutManager(context); + layoutManager.setOrientation(LinearLayoutManager.VERTICAL); + recyclerView.setLayoutManager(layoutManager); + } + } + public GridLayoutManager.SpanSizeLookup getSpanSizeLookup() { + return null; + } + public RecyclerView.ItemDecoration getItemDecoration() { + return new GridSpacingDecoration(); + } + + public abstract int getOptionsMenu(); + public abstract RecyclerView.Adapter getAdapter(List<T> objs); + public abstract List<T> getObjects(MusicService musicService, boolean refresh, ProgressListener listener) throws Exception; + public abstract int getTitleResource(); + + public void onFinishRefresh() { + + } +} |