| /* |
| * Copyright (C) 2018 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.icons.cache; |
| |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.pm.PackageInfo; |
| import android.os.LocaleList; |
| import android.os.UserHandle; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.Nullable; |
| |
| import com.android.launcher3.icons.BitmapInfo; |
| |
| public interface CachingLogic<T> { |
| |
| @NonNull |
| ComponentName getComponent(@NonNull final T object); |
| |
| @NonNull |
| UserHandle getUser(@NonNull final T object); |
| |
| @NonNull |
| CharSequence getLabel(@NonNull final T object); |
| |
| @NonNull |
| default CharSequence getDescription(@NonNull final T object, |
| @NonNull final CharSequence fallback) { |
| return fallback; |
| } |
| |
| @NonNull |
| BitmapInfo loadIcon(@NonNull final Context context, @NonNull final T object); |
| |
| /** |
| * Provides a option list of keywords to associate with this object |
| */ |
| @Nullable |
| default String getKeywords(@NonNull final T object, @NonNull final LocaleList localeList) { |
| return null; |
| } |
| |
| /** |
| * Returns the timestamp the entry was last updated in cache. |
| */ |
| default long getLastUpdatedTime(@Nullable final T object, @NonNull final PackageInfo info) { |
| return info.lastUpdateTime; |
| } |
| |
| /** |
| * Returns true the object should be added to mem cache; otherwise returns false. |
| */ |
| default boolean addToMemCache() { |
| return true; |
| } |
| } |