| /* |
| * 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.android.launcher3; |
| |
| import android.content.ContentValues; |
| import android.content.Context; |
| |
| import com.android.launcher3.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) + ")"; |
| } |
| } |