80 lines
2.6 KiB
Java
80 lines
2.6 KiB
Java
/* Copyright 2017 Andrew Dawson
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*
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* This file is part of Tusky.
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*
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* Tusky is free software: you can redistribute it and/or modify it under the terms of the GNU
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* General Public License as published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Tusky. If not, see
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* <http://www.gnu.org/licenses/>. */
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package com.keylesspalace.tusky;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.support.v4.util.LruCache;
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import com.android.volley.Request;
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import com.android.volley.RequestQueue;
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import com.android.volley.toolbox.ImageLoader;
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import com.android.volley.toolbox.Volley;
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public class VolleySingleton {
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private static VolleySingleton instance;
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private RequestQueue requestQueue;
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private ImageLoader imageLoader;
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private static Context context;
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private VolleySingleton(Context context) {
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VolleySingleton.context = context;
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requestQueue = getRequestQueue();
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imageLoader = new ImageLoader(requestQueue,
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new ImageLoader.ImageCache() {
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private final LruCache<String, Bitmap> cache = new LruCache<>(20);
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@Override
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public Bitmap getBitmap(String url) {
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return cache.get(url);
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}
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@Override
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public void putBitmap(String url, Bitmap bitmap) {
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cache.put(url, bitmap);
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}
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});
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}
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public static synchronized VolleySingleton getInstance(Context context) {
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if (instance == null) {
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instance = new VolleySingleton(context);
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}
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return instance;
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}
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public RequestQueue getRequestQueue() {
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if (requestQueue == null) {
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/* getApplicationContext() is key, it keeps you from leaking the
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* Activity or BroadcastReceiver if someone passes one in. */
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requestQueue= Volley.newRequestQueue(context.getApplicationContext());
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}
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return requestQueue;
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}
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public <T> void addToRequestQueue(Request<T> request) {
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getRequestQueue().add(request);
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}
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public void cancelRequest(String tag) {
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getRequestQueue().cancelAll(tag);
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}
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public ImageLoader getImageLoader() {
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return imageLoader;
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}
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}
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