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-rw-r--r--app/src/main/java/github/daneren2005/dsub/fragments/SelectRecyclerFragment.java191
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() {
+
+ }
+}