Add subscription counter

app/src/main/java/de/danoeh/antennapod/activity/AudioplayerActivity.java

@@ -537,6 +537,18 @@ public class AudioplayerActivity extends MediaplayerActivity implements NavDrawe
         public int getFeedCounter(long feedId) {
             return navDrawerData != null ? navDrawerData.feedCounters.get(feedId) : 0;
         }
+
+        @Override
+        public int getFeedCounterSum() {
+            if(navDrawerData == null) {
+                return 0;
+            }
+            int sum = 0;
+            for(int counter : navDrawerData.feedCounters.values()) {
+                sum += counter;
+            }
+            return sum;
+        }
     };
 
     public interface AudioplayerContentFragment {

app/src/main/java/de/danoeh/antennapod/activity/MainActivity.java

@@ -654,6 +654,18 @@ public class MainActivity extends AppCompatActivity implements NavDrawerActivity
             return navDrawerData != null ? navDrawerData.feedCounters.get(feedId) : 0;
         }
 
+        @Override
+        public int getFeedCounterSum() {
+            if(navDrawerData == null) {
+                return 0;
+            }
+            int sum = 0;
+            for(int counter : navDrawerData.feedCounters.values()) {
+                sum += counter;
+            }
+            return sum;
+        }
+
     };
 
     private void loadData() {

app/src/main/java/de/danoeh/antennapod/adapter/NavListAdapter.java

@@ -19,7 +19,6 @@ import com.bumptech.glide.Glide;
 import com.joanzapata.iconify.Iconify;
 import com.joanzapata.iconify.widget.IconTextView;
 
-import de.danoeh.antennapod.fragment.SubscriptionFragment;
 import org.apache.commons.lang3.ArrayUtils;
 
 import java.util.ArrayList;
@@ -39,6 +38,7 @@ import de.danoeh.antennapod.fragment.EpisodesFragment;
 import de.danoeh.antennapod.fragment.NewEpisodesFragment;
 import de.danoeh.antennapod.fragment.PlaybackHistoryFragment;
 import de.danoeh.antennapod.fragment.QueueFragment;
+import de.danoeh.antennapod.fragment.SubscriptionFragment;
 
 /**
  * BaseAdapter for the navigation drawer
@@ -253,6 +253,14 @@ public class NavListAdapter extends BaseAdapter
             } else {
                 holder.count.setVisibility(View.GONE);
             }
+        } else if (tag.equals(SubscriptionFragment.TAG)) {
+            int sum = itemAccess.getFeedCounterSum();
+            if (sum > 0) {
+                holder.count.setVisibility(View.VISIBLE);
+                holder.count.setText(String.valueOf(sum));
+            } else {
+                holder.count.setVisibility(View.GONE);
+            }
         } else if(tag.equals(DownloadsFragment.TAG) && UserPreferences.isEnableAutodownload()) {
             int epCacheSize = UserPreferences.getEpisodeCacheSize();
             // don't count episodes that can be reclaimed
@@ -372,6 +380,7 @@ public class NavListAdapter extends BaseAdapter
         int getNumberOfDownloadedItems();
         int getReclaimableItems();
         int getFeedCounter(long feedId);
+        int getFeedCounterSum();
     }
 
 }

core/src/main/java/de/danoeh/antennapod/core/util/LongIntMap.java

@@ -1,6 +1,8 @@
 package de.danoeh.antennapod.core.util;
 
 
+import java.util.Arrays;
+
 /**
  * Fast and memory efficient long to long map
  */
@@ -197,6 +199,15 @@ public class LongIntMap {
         size = 0;
     }
 
+    /**
+     * Returns a copy of the values contained in this map.
+     *
+     * @return a copy of the values contained in this map
+     */
+    public int[] values() {
+        return Arrays.copyOf(values, size);
+    }
+
     @Override
     public boolean equals(Object other) {
         if (other == this) {