1 files changed, 119 insertions, 0 deletions
diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/QuickFeedDiscoveryFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/QuickFeedDiscoveryFragment.java
new file mode 100644
index 000000000..e4213cc6b
--- /dev/null
+++ b/app/src/main/java/de/danoeh/antennapod/fragment/QuickFeedDiscoveryFragment.java
@@ -0,0 +1,119 @@
+package de.danoeh.antennapod.fragment;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AdapterView;
+import android.widget.GridView;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+import com.afollestad.materialdialogs.MaterialDialog;
+import de.danoeh.antennapod.R;
+import de.danoeh.antennapod.activity.MainActivity;
+import de.danoeh.antennapod.activity.OnlineFeedViewActivity;
+import de.danoeh.antennapod.adapter.FeedDiscoverAdapter;
+import de.danoeh.antennapod.discovery.ItunesTopListLoader;
+import de.danoeh.antennapod.discovery.PodcastSearchResult;
+import io.reactivex.disposables.Disposable;
+
+import java.util.ArrayList;
+import java.util.List;
+
+
+public class QuickFeedDiscoveryFragment extends Fragment implements AdapterView.OnItemClickListener {
+    private static final String TAG = "FeedDiscoveryFragment";
+
+    private ProgressBar progressBar;
+    private Disposable disposable;
+    private FeedDiscoverAdapter adapter;
+    private GridView subscriptionGridLayout;
+    private TextView errorTextView;
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        super.onCreateView(inflater, container, savedInstanceState);
+        View root = inflater.inflate(R.layout.quick_feed_discovery, container, false);
+        View discoverMore = root.findViewById(R.id.discover_more);
+        discoverMore.setOnClickListener(v ->
+                ((MainActivity) getActivity()).loadChildFragment(new ItunesSearchFragment()));
+
+        subscriptionGridLayout = root.findViewById(R.id.discover_grid);
+        progressBar = root.findViewById(R.id.discover_progress_bar);
+        errorTextView = root.findViewById(R.id.discover_error);
+
+        adapter = new FeedDiscoverAdapter((MainActivity) getActivity());
+        subscriptionGridLayout.setAdapter(adapter);
+        subscriptionGridLayout.setOnItemClickListener(this);
+
+        // Fill with dummy elements to have a fixed height and
+        // prevent the UI elements below from jumping on slow connections
+        List<PodcastSearchResult> dummies = new ArrayList<>();
+        for (int i = 0; i < 8; i++) {
+            dummies.add(PodcastSearchResult.dummy());
+        }
+        adapter.updateData(dummies);
+
+        loadToplist();
+
+        return root;
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        if (disposable != null) {
+            disposable.dispose();
+        }
+    }
+
+    private void loadToplist() {
+        progressBar.setVisibility(View.VISIBLE);
+        subscriptionGridLayout.setVisibility(View.INVISIBLE);
+        errorTextView.setVisibility(View.GONE);
+
+        ItunesTopListLoader loader = new ItunesTopListLoader(getContext());
+        disposable = loader.loadToplist(8)
+                .subscribe(podcasts -> {
+                    errorTextView.setVisibility(View.GONE);
+                    progressBar.setVisibility(View.GONE);
+                    subscriptionGridLayout.setVisibility(View.VISIBLE);
+                    adapter.updateData(podcasts);
+                }, error -> {
+                    Log.e(TAG, Log.getStackTraceString(error));
+                    errorTextView.setText(error.getLocalizedMessage());
+                    errorTextView.setVisibility(View.VISIBLE);
+                    progressBar.setVisibility(View.GONE);
+                    subscriptionGridLayout.setVisibility(View.INVISIBLE);
+                });
+    }
+
+    @Override
+    public void onItemClick(AdapterView<?> parent, final View view, int position, long id) {
+        PodcastSearchResult podcast = adapter.getItem(position);
+        if (podcast.feedUrl == null) {
+            return;
+        }
+        view.setAlpha(0.5f);
+        ItunesTopListLoader loader = new ItunesTopListLoader(getContext());
+        disposable = loader.getFeedUrl(podcast)
+                .subscribe(feedUrl -> {
+                    view.setAlpha(1f);
+                    Intent intent = new Intent(getActivity(), OnlineFeedViewActivity.class);
+                    intent.putExtra(OnlineFeedViewActivity.ARG_FEEDURL, feedUrl);
+                    intent.putExtra(OnlineFeedViewActivity.ARG_TITLE, getString(R.string.add_feed_label));
+                    startActivity(intent);
+                }, error -> {
+                    Log.e(TAG, Log.getStackTraceString(error));
+                    view.setAlpha(1f);
+                    String prefix = getString(R.string.error_msg_prefix);
+                    new MaterialDialog.Builder(getActivity())
+                            .content(prefix + " " + error.getMessage())
+                            .neutralText(android.R.string.ok)
+                            .show();
+                });
+    }
+}