Some notification history fixes

- Update header count when item swiped away
- Clean up container when last notification is swiped away
- Long pressing on the top two section brings you to settings to
modify notification behavior
- Show more notification content

Test: manual
Bug: 157547283
Change-Id: I1d43cacca7a0f22f83cef9187cf288839e0d5795

src/com/android/settings/notification/history/NotificationHistoryActivity.java

@@ -140,7 +140,15 @@ public class NotificationHistoryActivity extends Activity {
 
             final NotificationHistoryRecyclerView rv =
                     viewForPackage.findViewById(R.id.notification_list);
-            rv.setAdapter(new NotificationHistoryAdapter(mNm, rv));
+            rv.setAdapter(new NotificationHistoryAdapter(mNm, rv,
+                    newCount -> {
+                        count.setText(getResources().getQuantityString(
+                                R.plurals.notification_history_count,
+                                newCount, newCount));
+                        if (newCount == 0) {
+                            viewForPackage.setVisibility(View.GONE);
+                        }
+                    }));
             ((NotificationHistoryAdapter) rv.getAdapter()).onRebuildComplete(
                     new ArrayList<>(nhp.notifications));
 

src/com/android/settings/notification/history/NotificationHistoryAdapter.java

@@ -49,13 +49,16 @@ public class NotificationHistoryAdapter extends
 
     private INotificationManager mNm;
     private List<HistoricalNotification> mValues;
+    private OnItemDeletedListener mListener;
 
     public NotificationHistoryAdapter(INotificationManager nm,
-            NotificationHistoryRecyclerView listView) {
+            NotificationHistoryRecyclerView listView,
+            OnItemDeletedListener listener) {
         mValues = new ArrayList<>();
         setHasStableIds(true);
         listView.setOnItemSwipeDeleteListener(this);
         mNm = nm;
+        mListener = listener;
     }
 
     @Override
@@ -134,6 +137,11 @@ public class NotificationHistoryAdapter extends
                 Slog.e(TAG, "Failed to delete item", e);
             }
         }
+        mListener.onItemDeleted(mValues.size());
         notifyItemRemoved(position);
     }
+
+    interface OnItemDeletedListener {
+        void onItemDeleted(int newCount);
+    }
 }

src/com/android/settings/notification/history/NotificationSbnAdapter.java

@@ -20,12 +20,16 @@ import static android.app.Notification.COLOR_DEFAULT;
 import static android.content.pm.PackageManager.MATCH_ANY_USER;
 import static android.content.pm.PackageManager.NameNotFoundException;
 import static android.os.UserHandle.USER_ALL;
+import static android.provider.Settings.EXTRA_APP_PACKAGE;
+import static android.provider.Settings.EXTRA_CHANNEL_ID;
+import static android.provider.Settings.EXTRA_CONVERSATION_ID;
 
 import android.annotation.ColorInt;
 import android.annotation.UserIdInt;
 import android.app.ActivityManager;
 import android.app.Notification;
 import android.content.Context;
+import android.content.Intent;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.res.Configuration;
@@ -33,6 +37,7 @@ import android.graphics.PorterDuff;
 import android.graphics.drawable.Drawable;
 import android.os.UserHandle;
 import android.os.UserManager;
+import android.provider.Settings;
 import android.service.notification.StatusBarNotification;
 import android.text.TextUtils;
 import android.util.Log;
@@ -113,6 +118,15 @@ public class NotificationSbnAdapter extends
             holder.setProfileBadge(mUserBadgeCache.get(userId));
             holder.addOnClick(sbn.getPackageName(), sbn.getUserId(),
                     sbn.getNotification().contentIntent);
+            holder.itemView.setOnLongClickListener(v -> {
+                Intent intent =  new Intent(Settings.ACTION_CHANNEL_NOTIFICATION_SETTINGS)
+                        .putExtra(EXTRA_APP_PACKAGE, sbn.getPackageName())
+                        .putExtra(EXTRA_CHANNEL_ID, sbn.getNotification().getChannelId())
+                        .putExtra(EXTRA_CONVERSATION_ID, sbn.getNotification().getShortcutId());
+                intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                holder.itemView.getContext().startActivityAsUser(intent, UserHandle.of(userId));
+                return true;
+            });
         } else {
             Slog.w(TAG, "null entry in list at position " + position);
         }