content: /*
   * Copyright (C) 2008 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.lb.launcher;
  
  import android.content.ContentValues;
  import android.content.Context;
  import com.lb.launcher.compat.UserHandleCompat;
  import java.util.ArrayList;
  import java.util.Arrays;
  
  /**
   * Represents a folder containing shortcuts or apps.
   */
  public class FolderInfo extends ItemInfo {
  
      /**
       * Whether this folder has been opened
       */
      boolean opened;
  
      /**
       * The apps and shortcuts
       */
      ArrayList<ShortcutInfo> contents = new ArrayList<ShortcutInfo>();
  
      ArrayList<FolderListener> listeners = new ArrayList<FolderListener>();
  
      FolderInfo() {
          itemType = LauncherSettings.Favorites.ITEM_TYPE_FOLDER;
          user = UserHandleCompat.myUserHandle();
      }
  
      /**
       * Add an app or shortcut
       *
       * @param item
       */
      public void add(ShortcutInfo item) {
          contents.add(item);
          for (int i = 0; i < listeners.size(); i++) {
              listeners.get(i).onAdd(item);
          }
          itemsChanged();
      }
  
      /**
       * Remove an app or shortcut. Does not change the DB.
       *
       * @param item
       */
      public void remove(ShortcutInfo item) {
          contents.remove(item);
          for (int i = 0; i < listeners.size(); i++) {
              listeners.get(i).onRemove(item);
          }
          itemsChanged();
      }
  
      public void setTitle(CharSequence title) {
          this.title = title;
          for (int i = 0; i < listeners.size(); i++) {
              listeners.get(i).onTitleChanged(title);
          }
      }
  
      @Override
      void onAddToDatabase(Context context, ContentValues values) {
          super.onAddToDatabase(context, values);
          values.put(LauncherSettings.Favorites.TITLE, title.toString());
      }
  
      void addListener(FolderListener listener) {
          listeners.add(listener);
      }
  
      void removeListener(FolderListener listener) {
          if (listeners.contains(listener)) {
              listeners.remove(listener);
          }
      }
  
      void itemsChanged() {
          for (int i = 0; i < listeners.size(); i++) {
              listeners.get(i).onItemsChanged();
          }
      }
  
      @Override
      void unbind() {
          super.unbind();
          listeners.clear();
      }
  
      interface FolderListener {
          public void onAdd(ShortcutInfo item);
          public void onRemove(ShortcutInfo item);
          public void onTitleChanged(CharSequence title);
          public void onItemsChanged();
      }
  
      @Override
      public String toString() {
          return "FolderInfo(id=" + this.id + " type=" + this.itemType
                  + " container=" + this.container + " screen=" + screenId
                  + " cellX=" + cellX + " cellY=" + cellY + " spanX=" + spanX
                  + " spanY=" + spanY + " dropPos=" + Arrays.toString(dropPos) + ")";
      }
  }
  