DarkMode: move to shared preferences listener

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 0 insertions, 109 deletions

diff --git a/app/src/main/java/com/wireguard/android/util/Topic.java b/app/src/main/java/com/wireguard/android/util/Topic.java
deleted file mode 100644
index 6d8080cf..00000000
--- a/app/src/main/java/com/wireguard/android/util/Topic.java
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * Copyright © 2017 John Wu <topjohnwu@gmail.com>
- * SPDX-License-Identifier: GPL-2.0-or-later
- */
-
-package com.wireguard.android.util;
-
-import java.lang.ref.WeakReference;
-import java.util.Iterator;
-import java.util.LinkedList;
-import java.util.List;
-
-import java.lang.ref.WeakReference;
-import java.util.ArrayList;
-import java.util.List;
-
-public class Topic {
-
-    private static final int NON_INIT = 0;
-    private static final int PENDING = 1;
-    private static final int PUBLISHED = 2;
-
-    private int state = NON_INIT;
-    private List<WeakReference<Subscriber>> subscribers;
-    private Object[] results;
-
-    public Topic() {
-        subscribers = new SyncArrayList<>();
-    }
-
-    public synchronized void subscribe(final Subscriber sub) {
-        subscribers.add(new WeakReference<>(sub));
-    }
-
-    public synchronized void unsubscribe() {
-        subscribers = new SyncArrayList<>();
-    }
-
-    public synchronized void unsubscribe(final Subscriber sub) {
-        List<WeakReference<Subscriber>> subs = subscribers;
-        subscribers = new ArrayList<>();
-        for (final WeakReference<Subscriber> subscriber : subs) {
-            if (subscriber.get() != null && subscriber.get() != sub)
-                subscribers.add(subscriber);
-        }
-    }
-
-    public void reset() {
-        state = NON_INIT;
-        results = null;
-    }
-
-    public boolean isPublished() {
-        return state == PUBLISHED;
-    }
-
-    public void publish() {
-        publish(true);
-    }
-
-    public void publish(boolean record, Object... results) {
-        if (record)
-            state = PUBLISHED;
-        this.results = results;
-        // Snapshot
-        List<WeakReference<Subscriber>> subs = subscribers;
-        for (final WeakReference<Subscriber> subscriber : subs) {
-            if (subscriber != null && subscriber.get() != null)
-                subscriber.get().onTopicPublished(this);
-        }
-    }
-
-    public Object[] getResults() {
-        return results;
-    }
-
-    public boolean isPending() {
-        return state == PENDING;
-    }
-
-    public void setPending() {
-        state = PENDING;
-    }
-
-    public interface Subscriber {
-        default void subscribeTopics() {
-            for (final Topic topic : getSubscription()) {
-                if (topic.isPublished()) {
-                    onTopicPublished(topic);
-                }
-                topic.subscribe(this);
-            }
-        }
-        default void unsubscribeTopics() {
-            for (final Topic event : getSubscription()) {
-                event.unsubscribe(this);
-            }
-        }
-        void onTopicPublished(Topic topic);
-        Topic[] getSubscription();
-    }
-
-    private static class SyncArrayList<E> extends ArrayList<E> {
-        @Override
-        public synchronized boolean add(final E e) {
-            return super.add(e);
-        }
-    }
-}