blob: 724c107f8b4efc2a47165a6b6bf242c873a14bc1 [file] [log] [blame]
/*
* Copyright (C) 2017 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.wallpaper.picker;
import androidx.annotation.Nullable;
/**
* Interface for a class which presents (in UI) a collection of wallpapers.
*/
public interface WallpapersUiContainer {
/**
* Notifies the container that wallpapers are ready to display.
*/
void onWallpapersReady();
/**
* Returns the {@link CategoryFragment} used by this container to display wallpaper
* categories, or {@code null} if none is available.
*/
@Nullable
CategoryFragment getCategoryFragment();
/**
* Notifies the container that categories have been fetched.
*/
void doneFetchingCategories();
}