Notification summary updates

- Fix app info summary
- Add configure notifications summary

Test: make -j RunSettingsRoboTests
Change-Id: Ic3c3036ee903fe7403032925a8145693807793d5
Fixes: 77598357
Fixes: 73018368

src/com/android/settings/notification/ConfigureNotificationSettings.java

@@ -26,11 +26,13 @@ import android.os.UserHandle;
 import android.provider.SearchIndexableResource;
 import android.support.annotation.VisibleForTesting;
 import android.support.v7.preference.Preference;
+import android.text.TextUtils;
 
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.RingtonePreference;
 import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.dashboard.SummaryLoader;
 import com.android.settings.gestures.SwipeToNotificationPreferenceController;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
@@ -151,6 +153,54 @@ public class ConfigureNotificationSettings extends DashboardFragment {
         }
     }
 
+    /**
+     * For summary
+     */
+    static class SummaryProvider implements SummaryLoader.SummaryProvider {
+
+        private final Context mContext;
+        private final SummaryLoader mSummaryLoader;
+        private NotificationBackend mBackend;
+
+        public SummaryProvider(Context context, SummaryLoader summaryLoader) {
+            mContext = context;
+            mSummaryLoader = summaryLoader;
+            mBackend = new NotificationBackend();
+        }
+
+        @VisibleForTesting
+        protected void setBackend(NotificationBackend backend) {
+            mBackend = backend;
+        }
+
+        @Override
+        public void setListening(boolean listening) {
+            if (!listening) {
+                return;
+            }
+            int blockedAppCount = mBackend.getBlockedAppCount();
+            if (blockedAppCount == 0) {
+                mSummaryLoader.setSummary(this,
+                        mContext.getText(R.string.app_notification_listing_summary_zero));
+            } else {
+                mSummaryLoader.setSummary(this,
+                        mContext.getResources().getQuantityString(
+                                R.plurals.app_notification_listing_summary_others,
+                                blockedAppCount, blockedAppCount));
+            }
+        }
+    }
+
+    public static final SummaryLoader.SummaryProviderFactory SUMMARY_PROVIDER_FACTORY =
+            new SummaryLoader.SummaryProviderFactory() {
+                @Override
+                public SummaryLoader.SummaryProvider createSummaryProvider(Activity activity,
+                        SummaryLoader summaryLoader) {
+                    return new ConfigureNotificationSettings.SummaryProvider(
+                            activity, summaryLoader);
+                }
+            };
+
     /**
      * For Search.
      */