1 files changed, 167 insertions, 0 deletions
diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/gpodnet/PodcastListFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/gpodnet/PodcastListFragment.java
new file mode 100644
index 000000000..15a0b55b1
--- /dev/null
+++ b/app/src/main/java/de/danoeh/antennapod/fragment/gpodnet/PodcastListFragment.java
@@ -0,0 +1,167 @@
+package de.danoeh.antennapod.fragment.gpodnet;
+
+import android.content.Context;
+import android.content.Intent;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.util.Log;
+import android.view.*;
+import android.widget.*;
+
+import de.danoeh.antennapod.BuildConfig;
+import de.danoeh.antennapod.R;
+import de.danoeh.antennapod.activity.DefaultOnlineFeedViewActivity;
+import de.danoeh.antennapod.activity.MainActivity;
+import de.danoeh.antennapod.activity.OnlineFeedViewActivity;
+import de.danoeh.antennapod.adapter.gpodnet.PodcastListAdapter;
+import de.danoeh.antennapod.core.gpoddernet.GpodnetService;
+import de.danoeh.antennapod.core.gpoddernet.GpodnetServiceException;
+import de.danoeh.antennapod.core.gpoddernet.model.GpodnetPodcast;
+import de.danoeh.antennapod.menuhandler.MenuItemUtils;
+import de.danoeh.antennapod.menuhandler.NavDrawerActivity;
+
+import java.util.List;
+
+/**
+ * Displays a list of GPodnetPodcast-Objects in a GridView
+ */
+public abstract class PodcastListFragment extends Fragment {
+    private static final String TAG = "PodcastListFragment";
+
+    private GridView gridView;
+    private ProgressBar progressBar;
+    private TextView txtvError;
+    private Button butRetry;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setHasOptionsMenu(true);
+    }
+
+    @Override
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        super.onCreateOptionsMenu(menu, inflater);
+        if (!MenuItemUtils.isActivityDrawerOpen((NavDrawerActivity) getActivity())) {
+            final android.support.v7.widget.SearchView sv = new android.support.v7.widget.SearchView(getActivity());
+            MenuItemUtils.addSearchItem(menu, sv);
+            sv.setQueryHint(getString(R.string.gpodnet_search_hint));
+            sv.setOnQueryTextListener(new android.support.v7.widget.SearchView.OnQueryTextListener() {
+                @Override
+                public boolean onQueryTextSubmit(String s) {
+                    sv.clearFocus();
+                    ((MainActivity) getActivity()).loadChildFragment(SearchListFragment.newInstance(s));
+                    return true;
+                }
+
+                @Override
+                public boolean onQueryTextChange(String s) {
+                    return false;
+                }
+            });
+        }
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View root = inflater.inflate(R.layout.gpodnet_podcast_list, container, false);
+
+        gridView = (GridView) root.findViewById(R.id.gridView);
+        progressBar = (ProgressBar) root.findViewById(R.id.progressBar);
+        txtvError = (TextView) root.findViewById(R.id.txtvError);
+        butRetry = (Button) root.findViewById(R.id.butRetry);
+
+        gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+            @Override
+            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+                onPodcastSelected((GpodnetPodcast) gridView.getAdapter().getItem(position));
+            }
+        });
+        butRetry.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                loadData();
+            }
+        });
+
+        loadData();
+        return root;
+    }
+
+    protected void onPodcastSelected(GpodnetPodcast selection) {
+        if (BuildConfig.DEBUG) Log.d(TAG, "Selected podcast: " + selection.toString());
+        Intent intent = new Intent(getActivity(), DefaultOnlineFeedViewActivity.class);
+        intent.putExtra(OnlineFeedViewActivity.ARG_FEEDURL, selection.getUrl());
+        intent.putExtra(DefaultOnlineFeedViewActivity.ARG_TITLE, getString(R.string.gpodnet_main_label));
+        startActivity(intent);
+    }
+
+    protected abstract List<GpodnetPodcast> loadPodcastData(GpodnetService service) throws GpodnetServiceException;
+
+    protected final void loadData() {
+        AsyncTask<Void, Void, List<GpodnetPodcast>> loaderTask = new AsyncTask<Void, Void, List<GpodnetPodcast>>() {
+            volatile Exception exception = null;
+
+            @Override
+            protected List<GpodnetPodcast> doInBackground(Void... params) {
+                GpodnetService service = null;
+                try {
+                    service = new GpodnetService();
+                    return loadPodcastData(service);
+                } catch (GpodnetServiceException e) {
+                    exception = e;
+                    e.printStackTrace();
+                    return null;
+                } finally {
+                    if (service != null) {
+                        service.shutdown();
+                    }
+                }
+            }
+
+            @Override
+            protected void onPostExecute(List<GpodnetPodcast> gpodnetPodcasts) {
+                super.onPostExecute(gpodnetPodcasts);
+                final Context context = getActivity();
+                if (context != null && gpodnetPodcasts != null && gpodnetPodcasts.size() > 0) {
+                    PodcastListAdapter listAdapter = new PodcastListAdapter(context, 0, gpodnetPodcasts);
+                    gridView.setAdapter(listAdapter);
+                    listAdapter.notifyDataSetChanged();
+
+                    progressBar.setVisibility(View.GONE);
+                    gridView.setVisibility(View.VISIBLE);
+                    txtvError.setVisibility(View.GONE);
+                    butRetry.setVisibility(View.GONE);
+                } else if (context != null && gpodnetPodcasts != null) {
+                    gridView.setVisibility(View.GONE);
+                    progressBar.setVisibility(View.GONE);
+                    txtvError.setText(getString(R.string.search_status_no_results));
+                    txtvError.setVisibility(View.VISIBLE);
+                    butRetry.setVisibility(View.GONE);
+                } else if (context != null) {
+                    gridView.setVisibility(View.GONE);
+                    progressBar.setVisibility(View.GONE);
+                    txtvError.setText(getString(R.string.error_msg_prefix) + exception.getMessage());
+                    txtvError.setVisibility(View.VISIBLE);
+                    butRetry.setVisibility(View.VISIBLE);
+                }
+            }
+
+            @Override
+            protected void onPreExecute() {
+                super.onPreExecute();
+                gridView.setVisibility(View.GONE);
+                progressBar.setVisibility(View.VISIBLE);
+                txtvError.setVisibility(View.GONE);
+                butRetry.setVisibility(View.GONE);
+            }
+        };
+
+        if (android.os.Build.VERSION.SDK_INT > android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
+            loaderTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+        } else {
+            loaderTask.execute();
+        }
+    }
+}