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Diffstat (limited to 'src/com/android/launcher3/FolderInfo.java')
-rw-r--r-- | src/com/android/launcher3/FolderInfo.java | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/com/android/launcher3/FolderInfo.java b/src/com/android/launcher3/FolderInfo.java new file mode 100644 index 000000000..6d45e59ce --- /dev/null +++ b/src/com/android/launcher3/FolderInfo.java @@ -0,0 +1,111 @@ +/* + * 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 java.util.ArrayList; + +import android.content.ContentValues; + +/** + * Represents a folder containing shortcuts or apps. + */ +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; + } + + /** + * 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(ContentValues values) { + super.onAddToDatabase(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(); + } +} |