databinding: Remove unused classes and methods

Signed-off-by: Samuel Holland <samuel@sholland.org>

5 files changed, 0 insertions, 347 deletions

diff --git a/app/src/main/java/com/wireguard/android/databinding/BindingAdapters.java b/app/src/main/java/com/wireguard/android/databinding/BindingAdapters.java
index 121c292b..116b40cb 100644
--- a/app/src/main/java/com/wireguard/android/databinding/BindingAdapters.java
+++ b/app/src/main/java/com/wireguard/android/databinding/BindingAdapters.java
@@ -90,33 +90,6 @@ public final class BindingAdapters {
         adapter.setList(newList);
     }
 
-    @BindingAdapter({"items", "layout"})
-    public static <K extends Comparable<K>, V> void setItems(final ListView view,
-                                                             final ObservableNavigableMap<K, V> oldMap,
-                                                             final int oldLayoutId,
-                                                             final ObservableNavigableMap<K, V> newMap,
-                                                             final int newLayoutId) {
-        if (oldMap == newMap && oldLayoutId == newLayoutId)
-            return;
-        // The ListAdapter interface is not generic, so this cannot be checked.
-        @SuppressWarnings("unchecked")
-        ObservableMapAdapter<K, V> adapter = (ObservableMapAdapter<K, V>) view.getAdapter();
-        // If the layout changes, any existing adapter must be replaced.
-        if (adapter != null && oldMap != null && oldLayoutId != newLayoutId) {
-            adapter.setMap(null);
-            adapter = null;
-        }
-        // Avoid setting an adapter when there is no new list or layout.
-        if (newMap == null || newLayoutId == 0)
-            return;
-        if (adapter == null) {
-            adapter = new ObservableMapAdapter<>(view.getContext(), newLayoutId, newMap);
-            view.setAdapter(adapter);
-        }
-        // Either the list changed, or this is an entirely new listener because the layout changed.
-        adapter.setMap(newMap);
-    }
-
     @BindingAdapter({"onBeforeCheckedChanged"})
     public static void setOnBeforeCheckedChanged(final ToggleSwitch view,
                                                  final ToggleSwitch.OnBeforeCheckedChangeListener
diff --git a/app/src/main/java/com/wireguard/android/databinding/ObservableListAdapter.java b/app/src/main/java/com/wireguard/android/databinding/ObservableListAdapter.java
deleted file mode 100644
index 5c4e8c0a..00000000
--- a/app/src/main/java/com/wireguard/android/databinding/ObservableListAdapter.java
+++ /dev/null
@@ -1,119 +0,0 @@
-package com.wireguard.android.databinding;
-
-import android.content.Context;
-import android.databinding.DataBindingUtil;
-import android.databinding.ObservableList;
-import android.databinding.ViewDataBinding;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.BaseAdapter;
-
-import com.wireguard.android.BR;
-
-import java.lang.ref.WeakReference;
-
-/**
- * A generic ListAdapter backed by an ObservableList.
- */
-
-class ObservableListAdapter<T> extends BaseAdapter {
-    private final OnListChangedCallback<T> callback = new OnListChangedCallback<>(this);
-    private final int layoutId;
-    private final LayoutInflater layoutInflater;
-    private ObservableList<T> list;
-
-    ObservableListAdapter(final Context context, final int layoutId, final ObservableList<T> list) {
-        this.layoutId = layoutId;
-        layoutInflater = LayoutInflater.from(context);
-        setList(list);
-    }
-
-    @Override
-    public int getCount() {
-        return list != null ? list.size() : 0;
-    }
-
-    @Override
-    public T getItem(final int position) {
-        if (list == null || position < 0 || position >= list.size())
-            return null;
-        return list.get(position);
-    }
-
-    @Override
-    public long getItemId(final int position) {
-        if (list == null || position < 0 || position >= list.size())
-            return -1;
-        return list.get(position).hashCode();
-    }
-
-    @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.collection, list);
-        binding.setVariable(BR.item, getItem(position));
-        binding.executePendingBindings();
-        return binding.getRoot();
-    }
-
-    @Override
-    public boolean hasStableIds() {
-        return true;
-    }
-
-    void setList(final ObservableList<T> newList) {
-        if (list != null)
-            list.removeOnListChangedCallback(callback);
-        list = newList;
-        if (list != null) {
-            list.addOnListChangedCallback(callback);
-        }
-        notifyDataSetChanged();
-    }
-
-    private static final class OnListChangedCallback<U>
-            extends ObservableList.OnListChangedCallback<ObservableList<U>> {
-
-        private final WeakReference<ObservableListAdapter<U>> weakAdapter;
-
-        private OnListChangedCallback(final ObservableListAdapter<U> adapter) {
-            weakAdapter = new WeakReference<>(adapter);
-        }
-
-        @Override
-        public void onChanged(final ObservableList<U> sender) {
-            final ObservableListAdapter<U> adapter = weakAdapter.get();
-            if (adapter != null)
-                adapter.notifyDataSetChanged();
-            else
-                sender.removeOnListChangedCallback(this);
-        }
-
-        @Override
-        public void onItemRangeChanged(final ObservableList<U> sender, final int positionStart,
-                                       final int itemCount) {
-            onChanged(sender);
-        }
-
-        @Override
-        public void onItemRangeInserted(final ObservableList<U> sender, final int positionStart,
-                                        final int itemCount) {
-            onChanged(sender);
-        }
-
-        @Override
-        public void onItemRangeMoved(final ObservableList<U> sender, final int fromPosition,
-                                     final int toPosition, final int itemCount) {
-            onChanged(sender);
-        }
-
-        @Override
-        public void onItemRangeRemoved(final ObservableList<U> sender, final int positionStart,
-                                       final int itemCount) {
-            onChanged(sender);
-        }
-    }
-}
diff --git a/app/src/main/java/com/wireguard/android/databinding/ObservableMapAdapter.java b/app/src/main/java/com/wireguard/android/databinding/ObservableMapAdapter.java
deleted file mode 100644
index 4f63d6dd..00000000
--- a/app/src/main/java/com/wireguard/android/databinding/ObservableMapAdapter.java
+++ /dev/null
@@ -1,123 +0,0 @@
-package com.wireguard.android.databinding;
-
-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 com.wireguard.android.BR;
-
-import java.lang.ref.WeakReference;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-
-/**
- * A generic ListAdapter backed by a TreeMap that adds observability.
- */
-
-public class ObservableMapAdapter<K extends Comparable<K>, V> extends BaseAdapter {
-    private final OnMapChangedCallback<K, V> callback = new OnMapChangedCallback<>(this);
-    private final int layoutId;
-    private final LayoutInflater layoutInflater;
-    private List<K> keys;
-    private ObservableNavigableMap<K, V> map;
-
-    ObservableMapAdapter(final Context context, final int layoutId,
-                         final ObservableNavigableMap<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(getKey(position));
-    }
-
-    @Override
-    public long getItemId(final int position) {
-        if (map == null || position < 0 || position >= map.size())
-            return -1;
-        //final V item = getItem(position);
-        //return item != null ? item.hashCode() : -1;
-        final K key = getKey(position);
-        return key.hashCode();
-    }
-
-    private K getKey(final int position) {
-        return getKeys().get(position);
-    }
-
-    private List<K> getKeys() {
-        if (keys == null)
-            keys = new ArrayList<>(map.keySet());
-        return keys;
-    }
-
-    public int getPosition(final K key) {
-        if (map == null || key == null)
-            return -1;
-        return Collections.binarySearch(getKeys(), key);
-    }
-
-    @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.collection, map);
-        binding.setVariable(BR.key, getKey(position));
-        binding.setVariable(BR.item, getItem(position));
-        binding.executePendingBindings();
-        return binding.getRoot();
-    }
-
-    @Override
-    public boolean hasStableIds() {
-        return true;
-    }
-
-    void setMap(final ObservableNavigableMap<K, V> newMap) {
-        if (map != null)
-            map.removeOnMapChangedCallback(callback);
-        keys = null;
-        map = newMap;
-        if (map != null) {
-            map.addOnMapChangedCallback(callback);
-        }
-        notifyDataSetChanged();
-    }
-
-    private static final class OnMapChangedCallback<K extends Comparable<K>, V>
-            extends ObservableMap.OnMapChangedCallback<ObservableNavigableMap<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 ObservableNavigableMap<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);
-            }
-        }
-    }
-}
diff --git a/app/src/main/java/com/wireguard/android/databinding/ObservableNavigableMap.java b/app/src/main/java/com/wireguard/android/databinding/ObservableNavigableMap.java
deleted file mode 100644
index ab8a4a1f..00000000
--- a/app/src/main/java/com/wireguard/android/databinding/ObservableNavigableMap.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package com.wireguard.android.databinding;
-
-import android.databinding.ObservableMap;
-
-import java.util.NavigableMap;
-
-/**
- * Interface for maps that are both observable and sorted.
- */
-
-public interface ObservableNavigableMap<K, V> extends NavigableMap<K, V>, ObservableMap<K, V> {
-    // No additional methods.
-}
diff --git a/app/src/main/java/com/wireguard/android/databinding/ObservableTreeMap.java b/app/src/main/java/com/wireguard/android/databinding/ObservableTreeMap.java
deleted file mode 100644
index 074e122c..00000000
--- a/app/src/main/java/com/wireguard/android/databinding/ObservableTreeMap.java
+++ /dev/null
@@ -1,65 +0,0 @@
-package com.wireguard.android.databinding;
-
-import android.databinding.MapChangeRegistry;
-import android.databinding.ObservableMap;
-import android.support.annotation.NonNull;
-
-import java.util.Map;
-import java.util.TreeMap;
-
-/**
- * Observable version of a TreeMap. Only notifies for changes made through methods, not iterators or
- * views. This behavior is in line with that of ObservableArrayMap.
- */
-
-public class ObservableTreeMap<K, V> extends TreeMap<K, V> implements ObservableNavigableMap<K, V> {
-    private transient MapChangeRegistry listeners;
-
-    @Override
-    public void addOnMapChangedCallback(
-            final OnMapChangedCallback<? extends ObservableMap<K, V>, K, V> listener) {
-        if (listeners == null)
-            listeners = new MapChangeRegistry();
-        listeners.add(listener);
-    }
-
-    @Override
-    public void clear() {
-        super.clear();
-        notifyChange(null);
-    }
-
-    private void notifyChange(final K key) {
-        if (listeners != null)
-            listeners.notifyChange(this, key);
-    }
-
-    @Override
-    public V put(final K key, final V value) {
-        final V oldValue = super.put(key, value);
-        notifyChange(key);
-        return oldValue;
-    }
-
-    @Override
-    public void putAll(@NonNull final Map<? extends K, ? extends V> map) {
-        super.putAll(map);
-        for (final K key : map.keySet())
-            notifyChange(key);
-    }
-
-    @Override
-    public V remove(final Object key) {
-        final V oldValue = super.remove(key);
-        @SuppressWarnings("unchecked") final K k = (K) key;
-        notifyChange(k);
-        return oldValue;
-    }
-
-    @Override
-    public void removeOnMapChangedCallback(
-            final OnMapChangedCallback<? extends ObservableMap<K, V>, K, V> listener) {
-        if (listeners != null)
-            listeners.remove(listener);
-    }
-}