Rename app module to ui

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>
2020-03-09 19:24:27 +05:30
parent 6bc3e257f8
commit 7d48bef70a
115 changed files with 1 additions and 1 deletions
@@ -0,0 +1,148 @@
+/*
+ * Copyright © 2017-2019 WireGuard LLC. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.wireguard.android.databinding;
+
+import androidx.databinding.BindingAdapter;
+import androidx.databinding.DataBindingUtil;
+import androidx.databinding.ObservableList;
+import androidx.databinding.ViewDataBinding;
+import androidx.databinding.adapters.ListenerUtil;
+import androidx.annotation.Nullable;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import android.text.InputFilter;
+import android.view.LayoutInflater;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import com.wireguard.android.BR;
+import com.wireguard.android.R;
+import com.wireguard.android.databinding.ObservableKeyedRecyclerViewAdapter.RowConfigurationHandler;
+import com.wireguard.android.util.ObservableKeyedList;
+import com.wireguard.android.widget.ToggleSwitch;
+import com.wireguard.android.widget.ToggleSwitch.OnBeforeCheckedChangeListener;
+import com.wireguard.config.Attribute;
+import com.wireguard.config.InetNetwork;
+import com.wireguard.util.Keyed;
+
+import java9.util.Optional;
+
+/**
+ * Static methods for use by generated code in the Android data binding library.
+ */
+
+@SuppressWarnings("unused")
+public final class BindingAdapters {
+    private BindingAdapters() {
+        // Prevent instantiation.
+    }
+
+    @BindingAdapter("checked")
+    public static void setChecked(final ToggleSwitch view, final boolean checked) {
+        view.setCheckedInternal(checked);
+    }
+
+    @BindingAdapter("filter")
+    public static void setFilter(final TextView view, final InputFilter filter) {
+        view.setFilters(new InputFilter[]{filter});
+    }
+
+    @BindingAdapter({"items", "layout"})
+    public static <E>
+    void setItems(final LinearLayout view,
+                  @Nullable final ObservableList<E> oldList, final int oldLayoutId,
+                  @Nullable final ObservableList<E> newList, final int newLayoutId) {
+        if (oldList == newList && oldLayoutId == newLayoutId)
+            return;
+        ItemChangeListener<E> listener = ListenerUtil.getListener(view, R.id.item_change_listener);
+        // If the layout changes, any existing listener must be replaced.
+        if (listener != null && oldList != null && oldLayoutId != newLayoutId) {
+            listener.setList(null);
+            listener = null;
+            // Stop tracking the old listener.
+            ListenerUtil.trackListener(view, null, R.id.item_change_listener);
+        }
+        // Avoid adding a listener when there is no new list or layout.
+        if (newList == null || newLayoutId == 0)
+            return;
+        if (listener == null) {
+            listener = new ItemChangeListener<>(view, newLayoutId);
+            ListenerUtil.trackListener(view, listener, R.id.item_change_listener);
+        }
+        // Either the list changed, or this is an entirely new listener because the layout changed.
+        listener.setList(newList);
+    }
+
+    @BindingAdapter({"items", "layout"})
+    public static <E>
+    void setItems(final LinearLayout view,
+                  @Nullable final Iterable<E> oldList, final int oldLayoutId,
+                  @Nullable final Iterable<E> newList, final int newLayoutId) {
+        if (oldList == newList && oldLayoutId == newLayoutId)
+            return;
+        view.removeAllViews();
+        if (newList == null)
+            return;
+        final LayoutInflater layoutInflater = LayoutInflater.from(view.getContext());
+        for (final E item : newList) {
+            final ViewDataBinding binding =
+                    DataBindingUtil.inflate(layoutInflater, newLayoutId, view, false);
+            binding.setVariable(BR.collection, newList);
+            binding.setVariable(BR.item, item);
+            binding.executePendingBindings();
+            view.addView(binding.getRoot());
+        }
+    }
+
+    @BindingAdapter(requireAll = false, value = {"items", "layout", "configurationHandler"})
+    public static <K, E extends Keyed<? extends K>>
+    void setItems(final RecyclerView view,
+                  @Nullable final ObservableKeyedList<K, E> oldList, final int oldLayoutId,
+                  final RowConfigurationHandler oldRowConfigurationHandler,
+                  @Nullable final ObservableKeyedList<K, E> newList, final int newLayoutId,
+                  final RowConfigurationHandler newRowConfigurationHandler) {
+        if (view.getLayoutManager() == null)
+            view.setLayoutManager(new LinearLayoutManager(view.getContext(), RecyclerView.VERTICAL, false));
+
+        if (oldList == newList && oldLayoutId == newLayoutId)
+            return;
+        // The ListAdapter interface is not generic, so this cannot be checked.
+        @SuppressWarnings("unchecked") ObservableKeyedRecyclerViewAdapter<K, E> adapter =
+                (ObservableKeyedRecyclerViewAdapter<K, E>) view.getAdapter();
+        // If the layout changes, any existing adapter must be replaced.
+        if (adapter != null && oldList != null && oldLayoutId != newLayoutId) {
+            adapter.setList(null);
+            adapter = null;
+        }
+        // Avoid setting an adapter when there is no new list or layout.
+        if (newList == null || newLayoutId == 0)
+            return;
+        if (adapter == null) {
+            adapter = new ObservableKeyedRecyclerViewAdapter<>(view.getContext(), newLayoutId, newList);
+            view.setAdapter(adapter);
+        }
+
+        adapter.setRowConfigurationHandler(newRowConfigurationHandler);
+        // Either the list changed, or this is an entirely new listener because the layout changed.
+        adapter.setList(newList);
+    }
+
+    @BindingAdapter("onBeforeCheckedChanged")
+    public static void setOnBeforeCheckedChanged(final ToggleSwitch view,
+                                                 final OnBeforeCheckedChangeListener listener) {
+        view.setOnBeforeCheckedChangeListener(listener);
+    }
+
+    @BindingAdapter("android:text")
+    public static void setText(final TextView view, final Optional<?> text) {
+        view.setText(text.map(Object::toString).orElse(""));
+    }
+
+    @BindingAdapter("android:text")
+    public static void setText(final TextView view, @Nullable final Iterable<InetNetwork> networks) {
+        view.setText(networks != null ? Attribute.join(networks) : "");
+    }
+}
@@ -0,0 +1,140 @@
+/*
+ * Copyright © 2017-2019 WireGuard LLC. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.wireguard.android.databinding;
+
+import androidx.databinding.DataBindingUtil;
+import androidx.databinding.ObservableList;
+import androidx.databinding.ViewDataBinding;
+import androidx.annotation.Nullable;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.wireguard.android.BR;
+
+import java.lang.ref.WeakReference;
+import java.util.Objects;
+
+/**
+ * Helper class for binding an ObservableList to the children of a ViewGroup.
+ */
+
+class ItemChangeListener<T> {
+    private final OnListChangedCallback<T> callback = new OnListChangedCallback<>(this);
+    private final ViewGroup container;
+    private final int layoutId;
+    private final LayoutInflater layoutInflater;
+    @Nullable private ObservableList<T> list;
+
+    ItemChangeListener(final ViewGroup container, final int layoutId) {
+        this.container = container;
+        this.layoutId = layoutId;
+        layoutInflater = LayoutInflater.from(container.getContext());
+    }
+
+    private View getView(final int position, @Nullable final View convertView) {
+        ViewDataBinding binding = convertView != null ? DataBindingUtil.getBinding(convertView) : null;
+        if (binding == null) {
+            binding = DataBindingUtil.inflate(layoutInflater, layoutId, container, false);
+        }
+
+        Objects.requireNonNull(list, "Trying to get a view while list is still null");
+
+        binding.setVariable(BR.collection, list);
+        binding.setVariable(BR.item, list.get(position));
+        binding.executePendingBindings();
+        return binding.getRoot();
+    }
+
+    void setList(@Nullable final ObservableList<T> newList) {
+        if (list != null)
+            list.removeOnListChangedCallback(callback);
+        list = newList;
+        if (list != null) {
+            list.addOnListChangedCallback(callback);
+            callback.onChanged(list);
+        } else {
+            container.removeAllViews();
+        }
+    }
+
+    private static final class OnListChangedCallback<T>
+            extends ObservableList.OnListChangedCallback<ObservableList<T>> {
+
+        private final WeakReference<ItemChangeListener<T>> weakListener;
+
+        private OnListChangedCallback(final ItemChangeListener<T> listener) {
+            weakListener = new WeakReference<>(listener);
+        }
+
+        @Override
+        public void onChanged(final ObservableList<T> sender) {
+            final ItemChangeListener<T> listener = weakListener.get();
+            if (listener != null) {
+                // TODO: recycle views
+                listener.container.removeAllViews();
+                for (int i = 0; i < sender.size(); ++i)
+                    listener.container.addView(listener.getView(i, null));
+            } else {
+                sender.removeOnListChangedCallback(this);
+            }
+        }
+
+        @Override
+        public void onItemRangeChanged(final ObservableList<T> sender, final int positionStart,
+                                       final int itemCount) {
+            final ItemChangeListener<T> listener = weakListener.get();
+            if (listener != null) {
+                for (int i = positionStart; i < positionStart + itemCount; ++i) {
+                    final View child = listener.container.getChildAt(i);
+                    listener.container.removeViewAt(i);
+                    listener.container.addView(listener.getView(i, child));
+                }
+            } else {
+                sender.removeOnListChangedCallback(this);
+            }
+        }
+
+        @Override
+        public void onItemRangeInserted(final ObservableList<T> sender, final int positionStart,
+                                        final int itemCount) {
+            final ItemChangeListener<T> listener = weakListener.get();
+            if (listener != null) {
+                for (int i = positionStart; i < positionStart + itemCount; ++i)
+                    listener.container.addView(listener.getView(i, null));
+            } else {
+                sender.removeOnListChangedCallback(this);
+            }
+        }
+
+        @Override
+        public void onItemRangeMoved(final ObservableList<T> sender, final int fromPosition,
+                                     final int toPosition, final int itemCount) {
+            final ItemChangeListener<T> listener = weakListener.get();
+            if (listener != null) {
+                final View[] views = new View[itemCount];
+                for (int i = 0; i < itemCount; ++i)
+                    views[i] = listener.container.getChildAt(fromPosition + i);
+                listener.container.removeViews(fromPosition, itemCount);
+                for (int i = 0; i < itemCount; ++i)
+                    listener.container.addView(views[i], toPosition + i);
+            } else {
+                sender.removeOnListChangedCallback(this);
+            }
+        }
+
+        @Override
+        public void onItemRangeRemoved(final ObservableList<T> sender, final int positionStart,
+                                       final int itemCount) {
+            final ItemChangeListener<T> listener = weakListener.get();
+            if (listener != null) {
+                listener.container.removeViews(positionStart, itemCount);
+            } else {
+                sender.removeOnListChangedCallback(this);
+            }
+        }
+    }
+}
@@ -0,0 +1,159 @@
+/*
+ * 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;
+        }
+    }
+
+}