context menu for subscriptions

app/src/main/java/de/danoeh/antennapod/fragment/SubscriptionFragment.java

@@ -1,9 +1,14 @@
 package de.danoeh.antennapod.fragment;
 
+import android.content.DialogInterface;
+import android.content.Intent;
 import android.os.Bundle;
 import android.support.v4.app.Fragment;
 import android.util.Log;
+import android.view.ContextMenu;
 import android.view.LayoutInflater;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.AdapterView;
@@ -16,8 +21,14 @@ import de.danoeh.antennapod.R;
 import de.danoeh.antennapod.activity.MainActivity;
 import de.danoeh.antennapod.adapter.NavListAdapter;
 import de.danoeh.antennapod.adapter.SubscriptionsAdapter;
+import de.danoeh.antennapod.core.asynctask.FeedRemover;
+import de.danoeh.antennapod.core.dialog.ConfirmationDialog;
 import de.danoeh.antennapod.core.feed.Feed;
+import de.danoeh.antennapod.core.preferences.PlaybackPreferences;
+import de.danoeh.antennapod.core.service.playback.PlaybackService;
 import de.danoeh.antennapod.core.storage.DBReader;
+import de.danoeh.antennapod.core.storage.DBWriter;
+import de.danoeh.antennapod.core.util.FeedItemUtil;
 import de.greenrobot.event.EventBus;
 import rx.Observable;
 import rx.android.schedulers.AndroidSchedulers;
@@ -36,6 +47,7 @@ public class SubscriptionFragment extends Fragment {
     private NavListAdapter.ItemAccess mItemAccess;
 
     private List<Feed> mSubscriptionList = new ArrayList<>();
+    private int mPosition = -1;
 
 
     public SubscriptionFragment() {
@@ -57,6 +69,7 @@ public class SubscriptionFragment extends Fragment {
                              Bundle savedInstanceState) {
         View root = inflater.inflate(R.layout.fragment_subscriptions, container, false);
         mSubscriptionGridLayout = (GridView) root.findViewById(R.id.subscriptions_grid);
+        registerForContextMenu(mSubscriptionGridLayout);
         return root;
     }
 
@@ -67,18 +80,7 @@ public class SubscriptionFragment extends Fragment {
 
         mSubscriptionGridLayout.setAdapter(mSubscriptionAdapter);
 
-        Observable.fromCallable(() -> loadData())
+        loadSubscriptions();
-                .subscribeOn(Schedulers.newThread())
-                .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(result -> {
-                    mDrawerData = result;
-                    mSubscriptionList = mDrawerData.feeds;
-                    mSubscriptionAdapter.setItemAccess(mItemAccess);
-                    mSubscriptionAdapter.notifyDataSetChanged();
-                }, error -> {
-                    Log.e(TAG, Log.getStackTraceString(error));
-                });
-
 
         mSubscriptionGridLayout.setOnItemClickListener(new AdapterView.OnItemClickListener() {
             @Override
@@ -93,6 +95,86 @@ public class SubscriptionFragment extends Fragment {
 
     }
 
+    private void loadSubscriptions() {
+        Observable.fromCallable(() -> DBReader.getNavDrawerData())
+                .subscribeOn(Schedulers.newThread())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(result -> {
+                    mDrawerData = result;
+                    mSubscriptionList = mDrawerData.feeds;
+                    mSubscriptionAdapter.setItemAccess(mItemAccess);
+                    mSubscriptionAdapter.notifyDataSetChanged();
+                }, error -> {
+                    Log.e(TAG, Log.getStackTraceString(error));
+                });
+    }
+
+    @Override
+    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
+        super.onCreateContextMenu(menu, v, menuInfo);
+        AdapterView.AdapterContextMenuInfo adapterInfo = (AdapterView.AdapterContextMenuInfo) menuInfo;
+        int position = adapterInfo.position;
+
+        MenuInflater inflater = getActivity().getMenuInflater();
+        inflater.inflate(R.menu.nav_feed_context, menu);
+        Feed feed = (Feed)mSubscriptionAdapter.getItem(position);
+        menu.setHeaderTitle(feed.getTitle());
+
+        mPosition = position;
+    }
+
+    @Override
+    public boolean onContextItemSelected(MenuItem item) {
+
+        final int position = mPosition;
+        mPosition = -1; // reset
+        if(position < 0) {
+            return false;
+        }
+        Feed feed = mDrawerData.feeds.get(position);
+        switch(item.getItemId()) {
+            case R.id.mark_all_seen_item:
+                DBWriter.markFeedSeen(feed.getId());
+                return true;
+            case R.id.mark_all_read_item:
+                DBWriter.markFeedRead(feed.getId());
+                return true;
+            case R.id.remove_item:
+                final FeedRemover remover = new FeedRemover(getContext(), feed) {
+                    @Override
+                    protected void onPostExecute(Void result) {
+                        super.onPostExecute(result);
+                        loadSubscriptions();
+                    }
+                };
+                ConfirmationDialog conDialog = new ConfirmationDialog(getContext(),
+                        R.string.remove_feed_label,
+                        R.string.feed_delete_confirmation_msg) {
+                    @Override
+                    public void onConfirmButtonPressed(
+                            DialogInterface dialog) {
+                        dialog.dismiss();
+                        long mediaId = PlaybackPreferences.getCurrentlyPlayingFeedMediaId();
+                        if (mediaId > 0 &&
+                                FeedItemUtil.indexOfItemWithMediaId(feed.getItems(), mediaId) >= 0) {
+                            Log.d(TAG, "Currently playing episode is about to be deleted, skipping");
+                            remover.skipOnCompletion = true;
+                            int playerStatus = PlaybackPreferences.getCurrentPlayerStatus();
+                            if(playerStatus == PlaybackPreferences.PLAYER_STATUS_PLAYING) {
+                                getActivity().sendBroadcast(new Intent(
+                                        PlaybackService.ACTION_PAUSE_PLAY_CURRENT_EPISODE));
+                            }
+                        }
+                        remover.executeAsync();
+                    }
+                };
+                conDialog.createNewDialog().show();
+                return true;
+            default:
+                return super.onContextItemSelected(item);
+        }
+    }
+
     @Override
     public void onResume() {
         super.onResume();
@@ -105,9 +187,4 @@ public class SubscriptionFragment extends Fragment {
             feed = f;
         }
     }
-
-
-    private DBReader.NavDrawerData loadData() {
-        return DBReader.getNavDrawerData();
-    }
 }