1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.wallpaper.model; 17 18 /** 19 * Receives categories from a {@link CategoryProvider}. 20 */ 21 public interface CategoryReceiver { 22 /** 23 * Called when a category is received. This may be called multiple times per category fetch: 24 * once per category. 25 * 26 * @param category 27 */ onCategoryReceived(Category category)28 public void onCategoryReceived(Category category); 29 30 /** 31 * Called once all categories have been fetched. 32 */ doneFetchingCategories()33 public void doneFetchingCategories(); 34 } 35