| /* |
| * Copyright (C) 2019 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.customization.model.theme; |
| |
| import androidx.annotation.Nullable; |
| |
| import com.android.customization.model.CustomizationManager.OptionsFetchedListener; |
| import com.android.customization.model.theme.custom.CustomTheme; |
| |
| import org.json.JSONException; |
| |
| /** |
| * Interface for a class that can retrieve Themes from the system. |
| */ |
| public interface ThemeBundleProvider { |
| |
| /** |
| * Returns whether themes are available in the current setup. |
| */ |
| boolean isAvailable(); |
| |
| /** |
| * Retrieve the available themes. |
| * @param callback called when the themes have been retrieved (or immediately if cached) |
| * @param reload whether to reload themes if they're cached. |
| */ |
| void fetch(OptionsFetchedListener<ThemeBundle> callback, boolean reload); |
| |
| void storeCustomTheme(CustomTheme theme); |
| |
| void removeCustomTheme(CustomTheme theme); |
| |
| @Nullable CustomTheme.Builder parseCustomTheme(String serializedTheme) throws JSONException; |
| |
| ThemeBundle findEquivalent(ThemeBundle other); |
| } |