content: /*
      This file is part of Subsonic.
      Subsonic is free software: you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published by
      the Free Software Foundation, either version 3 of the License, or
      (at your option) any later version.
      Subsonic is distributed in the hope that it will be useful,
      but WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
      GNU General Public License for more details.
      You should have received a copy of the GNU General Public License
      along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
      Copyright 2015 (C) Scott Jackson
  */
  
  package net.nullsum.audinaut.util;
  
  import android.content.Context;
  import android.util.Log;
  import android.view.Menu;
  
  import net.nullsum.audinaut.R;
  import net.nullsum.audinaut.service.DownloadFile;
  import net.nullsum.audinaut.view.AlbumView;
  import net.nullsum.audinaut.view.ArtistEntryView;
  import net.nullsum.audinaut.view.ArtistView;
  import net.nullsum.audinaut.view.SongView;
  import net.nullsum.audinaut.view.UpdateView;
  
  import java.io.File;
  
  public final class MenuUtil {
      private final static String TAG = MenuUtil.class.getSimpleName();
  
      public static void hideMenuItems(Context context, Menu menu, UpdateView updateView) {
          if (!Util.isOffline(context)) {
              // If we are looking at a standard song view, get downloadFile to cache what options to show
              if (updateView instanceof SongView) {
                  SongView songView = (SongView) updateView;
                  DownloadFile downloadFile = songView.getDownloadFile();
  
                  try {
                      if (downloadFile != null) {
                          if (downloadFile.isWorkDone()) {
                              // Remove permanent cache menu if already perma cached
                              if (downloadFile.isSaved()) {
                                  menu.setGroupVisible(R.id.hide_pin, false);
                              }
  
                              // Remove cache option no matter what if already downloaded
                              menu.setGroupVisible(R.id.hide_download, false);
                          } else {
                              // Remove delete option if nothing to delete
                              menu.setGroupVisible(R.id.hide_delete, false);
                          }
                      }
                  } catch (Exception e) {
                      Log.w(TAG, "Failed to lookup downloadFile info", e);
                  }
              }
              // Apply similar logic to album views
              else if (updateView instanceof AlbumView || updateView instanceof ArtistView || updateView instanceof ArtistEntryView) {
                  File folder;
                  if (updateView instanceof AlbumView) {
                      folder = ((AlbumView) updateView).getFile();
                  } else if (updateView instanceof ArtistView) {
                      folder = ((ArtistView) updateView).getFile();
                  } else {
                      folder = ((ArtistEntryView) updateView).getFile();
                  }
  
                  try {
                      if (folder != null && !folder.exists()) {
                          menu.setGroupVisible(R.id.hide_delete, false);
                      }
                  } catch (Exception e) {
                      Log.w(TAG, "Failed to lookup album directory info", e);
                  }
              }
          }
      }
  }
  