64 lines
2.1 KiB
Java
64 lines
2.1 KiB
Java
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/*
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* Copyright 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.pump.util;
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import android.content.Context;
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import android.content.ContextWrapper;
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import androidx.annotation.AnyThread;
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import androidx.annotation.NonNull;
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import androidx.recyclerview.widget.RecyclerView.RecycledViewPool;
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import com.android.pump.db.MediaDb;
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@AnyThread
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public final class Globals {
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private Globals() { }
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public static @NonNull ImageLoader getImageLoader(@NonNull Context context) {
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return getProvider(context).getImageLoader();
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}
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public static @NonNull RecycledViewPool getRecycledViewPool(@NonNull Context context) {
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return getProvider(context).getRecycledViewPool();
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}
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public static @NonNull MediaDb getMediaDb(@NonNull Context context) {
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return getProvider(context).getMediaDb();
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}
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public interface Provider {
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@NonNull ImageLoader getImageLoader();
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@NonNull RecycledViewPool getRecycledViewPool();
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@NonNull MediaDb getMediaDb();
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}
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private static @NonNull Provider getProvider(@NonNull Context context) {
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while (!(context instanceof Provider)) {
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if (context instanceof ContextWrapper) {
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context = ((ContextWrapper) context).getBaseContext();
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} else {
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context = context.getApplicationContext();
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if (!(context instanceof Provider)) {
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throw new IllegalArgumentException("No global provider in context");
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}
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}
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}
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return (Provider) context;
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}
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}
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