1 files changed, 0 insertions, 159 deletions
diff --git a/app/src/main/java/com/wireguard/android/databinding/ObservableKeyedRecyclerViewAdapter.java b/app/src/main/java/com/wireguard/android/databinding/ObservableKeyedRecyclerViewAdapter.java
deleted file mode 100644
index 8b40dd91..00000000
--- a/app/src/main/java/com/wireguard/android/databinding/ObservableKeyedRecyclerViewAdapter.java
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * Copyright © 2017-2019 WireGuard LLC. All Rights Reserved.
- * SPDX-License-Identifier: Apache-2.0
- */
-
-package com.wireguard.android.databinding;
-
-import android.content.Context;
-import androidx.databinding.DataBindingUtil;
-import androidx.databinding.ObservableList;
-import androidx.databinding.ViewDataBinding;
-import androidx.annotation.Nullable;
-import androidx.recyclerview.widget.RecyclerView;
-import androidx.recyclerview.widget.RecyclerView.Adapter;
-import android.view.LayoutInflater;
-import android.view.ViewGroup;
-
-import com.wireguard.android.BR;
-import com.wireguard.android.util.ObservableKeyedList;
-import com.wireguard.util.Keyed;
-
-import java.lang.ref.WeakReference;
-
-/**
- * A generic {@code RecyclerView.Adapter} backed by a {@code ObservableKeyedList}.
- */
-
-public class ObservableKeyedRecyclerViewAdapter<K, E extends Keyed<? extends K>> extends Adapter<ObservableKeyedRecyclerViewAdapter.ViewHolder> {
-
-    private final OnListChangedCallback<E> callback = new OnListChangedCallback<>(this);
-    private final int layoutId;
-    private final LayoutInflater layoutInflater;
-    @Nullable private ObservableKeyedList<K, E> list;
-    @Nullable private RowConfigurationHandler rowConfigurationHandler;
-
-    ObservableKeyedRecyclerViewAdapter(final Context context, final int layoutId,
-                                       final ObservableKeyedList<K, E> list) {
-        this.layoutId = layoutId;
-        layoutInflater = LayoutInflater.from(context);
-        setList(list);
-    }
-
-    @Nullable
-    private E getItem(final int position) {
-        if (list == null || position < 0 || position >= list.size())
-            return null;
-        return list.get(position);
-    }
-
-    @Override
-    public int getItemCount() {
-        return list != null ? list.size() : 0;
-    }
-
-    @Override
-    public long getItemId(final int position) {
-        final K key = getKey(position);
-        return key != null ? key.hashCode() : -1;
-    }
-
-    @Nullable
-    private K getKey(final int position) {
-        final E item = getItem(position);
-        return item != null ? item.getKey() : null;
-    }
-
-    @SuppressWarnings("unchecked")
-    @Override
-    public void onBindViewHolder(final ViewHolder holder, final int position) {
-        holder.binding.setVariable(BR.collection, list);
-        holder.binding.setVariable(BR.key, getKey(position));
-        holder.binding.setVariable(BR.item, getItem(position));
-        holder.binding.executePendingBindings();
-
-        if (rowConfigurationHandler != null) {
-            final E item = getItem(position);
-            if (item != null) {
-                rowConfigurationHandler.onConfigureRow(holder.binding, item, position);
-            }
-        }
-    }
-
-    @Override
-    public ViewHolder onCreateViewHolder(final ViewGroup parent, final int viewType) {
-        return new ViewHolder(DataBindingUtil.inflate(layoutInflater, layoutId, parent, false));
-    }
-
-    void setList(@Nullable final ObservableKeyedList<K, E> newList) {
-        if (list != null)
-            list.removeOnListChangedCallback(callback);
-        list = newList;
-        if (list != null) {
-            list.addOnListChangedCallback(callback);
-        }
-        notifyDataSetChanged();
-    }
-
-    void setRowConfigurationHandler(final RowConfigurationHandler rowConfigurationHandler) {
-        this.rowConfigurationHandler = rowConfigurationHandler;
-    }
-
-    public interface RowConfigurationHandler<B extends ViewDataBinding, T> {
-        void onConfigureRow(B binding, T item, int position);
-    }
-
-    private static final class OnListChangedCallback<E extends Keyed<?>>
-            extends ObservableList.OnListChangedCallback<ObservableList<E>> {
-
-        private final WeakReference<ObservableKeyedRecyclerViewAdapter<?, E>> weakAdapter;
-
-        private OnListChangedCallback(final ObservableKeyedRecyclerViewAdapter<?, E> adapter) {
-            weakAdapter = new WeakReference<>(adapter);
-        }
-
-        @Override
-        public void onChanged(final ObservableList<E> sender) {
-            final ObservableKeyedRecyclerViewAdapter adapter = weakAdapter.get();
-            if (adapter != null)
-                adapter.notifyDataSetChanged();
-            else
-                sender.removeOnListChangedCallback(this);
-        }
-
-        @Override
-        public void onItemRangeChanged(final ObservableList<E> sender, final int positionStart,
-                                       final int itemCount) {
-            onChanged(sender);
-        }
-
-        @Override
-        public void onItemRangeInserted(final ObservableList<E> sender, final int positionStart,
-                                        final int itemCount) {
-            onChanged(sender);
-        }
-
-        @Override
-        public void onItemRangeMoved(final ObservableList<E> sender, final int fromPosition,
-                                     final int toPosition, final int itemCount) {
-            onChanged(sender);
-        }
-
-        @Override
-        public void onItemRangeRemoved(final ObservableList<E> sender, final int positionStart,
-                                       final int itemCount) {
-            onChanged(sender);
-        }
-    }
-
-    public static class ViewHolder extends RecyclerView.ViewHolder {
-        final ViewDataBinding binding;
-
-        public ViewHolder(final ViewDataBinding binding) {
-            super(binding.getRoot());
-
-            this.binding = binding;
-        }
-    }
-
-}