Bindings: Move to a separate package

These are really app-independent reusable classes. Moving them to a
separate package helps avoid polluting the main app package, and makes
them easier to upgrade.

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

1 files changed, 0 insertions, 112 deletions

diff --git a/app/src/main/java/com/wireguard/android/ObservableMapAdapter.java b/app/src/main/java/com/wireguard/android/ObservableMapAdapter.java
deleted file mode 100644
index 308c818d..00000000
--- a/app/src/main/java/com/wireguard/android/ObservableMapAdapter.java
+++ /dev/null
@@ -1,112 +0,0 @@
-package com.wireguard.android;
-
-import android.content.Context;
-import android.databinding.DataBindingUtil;
-import android.databinding.ObservableMap;
-import android.databinding.ViewDataBinding;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.BaseAdapter;
-import android.widget.ListAdapter;
-
-import java.lang.ref.WeakReference;
-import java.util.ArrayList;
-import java.util.Collections;
-
-/**
- * A generic ListAdapter backed by a TreeMap that adds observability.
- */
-
-class ObservableMapAdapter<K extends Comparable<K>, V> extends BaseAdapter implements ListAdapter {
-    private final OnMapChangedCallback<K, V> callback = new OnMapChangedCallback<>(this);
-    private ArrayList<K> keys;
-    private final int layoutId;
-    private final LayoutInflater layoutInflater;
-    private ObservableSortedMap<K, V> map;
-
-    ObservableMapAdapter(final Context context, final int layoutId,
-                         final ObservableSortedMap<K, V> map) {
-        this.layoutId = layoutId;
-        layoutInflater = LayoutInflater.from(context);
-        setMap(map);
-    }
-
-    @Override
-    public int getCount() {
-        return map != null ? map.size() : 0;
-    }
-
-    @Override
-    public V getItem(final int position) {
-        if (map == null || position < 0 || position >= map.size())
-            return null;
-        return map.get(getKeys().get(position));
-    }
-
-    @Override
-    public long getItemId(final int position) {
-        if (map == null || position < 0 || position >= map.size())
-            return -1;
-        return map.get(getKeys().get(position)).hashCode();
-    }
-
-    public int getItemPosition(final K key) {
-        if (map == null)
-            return -1;
-        return Collections.binarySearch(getKeys(), key);
-    }
-
-    private ArrayList<K> getKeys() {
-        if (keys == null)
-            keys = new ArrayList<>(map.keySet());
-        return keys;
-    }
-
-    @Override
-    public View getView(final int position, final View convertView, final ViewGroup parent) {
-        ViewDataBinding binding = DataBindingUtil.getBinding(convertView);
-        if (binding == null)
-            binding = DataBindingUtil.inflate(layoutInflater, layoutId, parent, false);
-        binding.setVariable(BR.item, getItem(position));
-        binding.executePendingBindings();
-        return binding.getRoot();
-    }
-
-    @Override
-    public boolean hasStableIds() {
-        return true;
-    }
-
-    public void setMap(final ObservableSortedMap<K, V> newMap) {
-        if (map != null)
-            map.removeOnMapChangedCallback(callback);
-        keys = null;
-        map = newMap;
-        if (map != null) {
-            map.addOnMapChangedCallback(callback);
-        }
-        notifyDataSetChanged();
-    }
-
-    private static class OnMapChangedCallback<K extends Comparable<K>, V>
-            extends ObservableMap.OnMapChangedCallback<ObservableSortedMap<K, V>, K, V> {
-
-        private final WeakReference<ObservableMapAdapter<K, V>> weakAdapter;
-
-        private OnMapChangedCallback(final ObservableMapAdapter<K, V> adapter) {
-            weakAdapter = new WeakReference<>(adapter);
-        }
-
-        @Override
-        public void onMapChanged(final ObservableSortedMap<K, V> sender, final K key) {
-            final ObservableMapAdapter<K, V> adapter = weakAdapter.get();
-            if (adapter != null) {
-                adapter.keys = null;
-                adapter.notifyDataSetChanged();
-            } else {
-                sender.removeOnMapChangedCallback(this);
-            }
-        }
-    }
-}