convert ScheduledTootAdapter to Kotlin

app/src/main/java/com/keylesspalace/tusky/ScheduledTootActivity.kt

@@ -9,6 +9,7 @@ import androidx.appcompat.widget.Toolbar
 import androidx.lifecycle.Lifecycle
 import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.LinearLayoutManager
+import com.keylesspalace.tusky.adapter.ScheduledTootAction
 import com.keylesspalace.tusky.adapter.ScheduledTootAdapter
 import com.keylesspalace.tusky.appstore.EventHub
 import com.keylesspalace.tusky.appstore.StatusScheduledEvent
@@ -29,7 +30,7 @@ import retrofit2.Response
 import javax.inject.Inject
 
 
-class ScheduledTootActivity : BaseActivity(), ScheduledTootAdapter.ScheduledTootAction, Injectable {
+class ScheduledTootActivity : BaseActivity(), ScheduledTootAction, Injectable {
 
     companion object {
         @JvmStatic

app/src/main/java/com/keylesspalace/tusky/adapter/ScheduledTootAdapter.java

@@ -1,125 +0,0 @@
-/* Copyright 2019 kyori19
- *
- * This file is a part of Tusky.
- *
- * This program is free software; you can redistribute it and/or modify it under the terms of the
- * GNU General Public License as published by the Free Software Foundation; either version 3 of the
- * License, or (at your option) any later version.
- *
- * Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
- * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
- * Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along with Tusky; if not,
- * see <http://www.gnu.org/licenses>. */
-
-package com.keylesspalace.tusky.adapter;
-
-import android.content.Context;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ImageButton;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.recyclerview.widget.RecyclerView;
-
-import com.keylesspalace.tusky.R;
-import com.keylesspalace.tusky.entity.ScheduledStatus;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class ScheduledTootAdapter extends RecyclerView.Adapter {
-    private List<ScheduledStatus> list;
-    private ScheduledTootAction handler;
-
-    public ScheduledTootAdapter(Context context) {
-        super();
-        list = new ArrayList<>();
-        handler = (ScheduledTootAction) context;
-    }
-
-    @NonNull
-    @Override
-    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        View view = LayoutInflater.from(parent.getContext())
-                .inflate(R.layout.item_scheduled_toot, parent, false);
-        return new TootViewHolder(view);
-    }
-
-    @Override
-    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder viewHolder, int position) {
-        TootViewHolder holder = (TootViewHolder) viewHolder;
-        holder.bind(getItem(position));
-    }
-
-    @Override
-    public int getItemCount() {
-        return list.size();
-    }
-
-    public void setItems(List<ScheduledStatus> newToot) {
-        list = new ArrayList<>();
-        list.addAll(newToot);
-    }
-
-    @Nullable
-    public ScheduledStatus removeItem(int position) {
-        if (position < 0 || position >= list.size()) {
-            return null;
-        }
-        ScheduledStatus toot = list.remove(position);
-        notifyItemRemoved(position);
-        return toot;
-    }
-
-    private ScheduledStatus getItem(int position) {
-        if (position >= 0 && position < list.size()) {
-            return list.get(position);
-        }
-        return null;
-    }
-
-    public interface ScheduledTootAction {
-        void edit(int position, ScheduledStatus item);
-
-        void delete(int position, ScheduledStatus item);
-    }
-
-    private class TootViewHolder extends RecyclerView.ViewHolder {
-        View view;
-        TextView text;
-        ImageButton edit;
-        ImageButton delete;
-
-        TootViewHolder(View view) {
-            super(view);
-            this.view = view;
-            this.text = view.findViewById(R.id.text);
-            this.edit = view.findViewById(R.id.edit);
-            this.delete = view.findViewById(R.id.delete);
-        }
-
-        void bind(final ScheduledStatus item) {
-            edit.setEnabled(true);
-            delete.setEnabled(true);
-
-            if (item != null) {
-                text.setText(item.getParams().getText());
-
-                edit.setOnClickListener(v -> {
-                    v.setEnabled(false);
-                    handler.edit(getAdapterPosition(), item);
-                });
-
-                delete.setOnClickListener(v -> {
-                    v.setEnabled(false);
-                    handler.delete(getAdapterPosition(), item);
-                });
-            }
-        }
-    }
-}

app/src/main/java/com/keylesspalace/tusky/adapter/ScheduledTootAdapter.kt

@@ -0,0 +1,87 @@
+/* Copyright 2019 Tusky Contributors
+ *
+ * This file is a part of Tusky.
+ *
+ * This program is free software; you can redistribute it and/or modify it under the terms of the
+ * GNU General Public License as published by the Free Software Foundation; either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
+ * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+ * Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with Tusky; if not,
+ * see <http://www.gnu.org/licenses>. */
+
+package com.keylesspalace.tusky.adapter
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ImageButton
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+import com.keylesspalace.tusky.R
+import com.keylesspalace.tusky.entity.ScheduledStatus
+
+interface ScheduledTootAction {
+    fun edit(position: Int, item: ScheduledStatus?)
+    fun delete(position: Int, item: ScheduledStatus?)
+}
+
+class ScheduledTootAdapter(
+        val listener: ScheduledTootAction
+) : RecyclerView.Adapter<ScheduledTootAdapter.TootViewHolder>() {
+
+    private var items: MutableList<ScheduledStatus> = mutableListOf()
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): TootViewHolder {
+        val view = LayoutInflater.from(parent.context)
+                .inflate(R.layout.item_scheduled_toot, parent, false)
+        return TootViewHolder(view)
+    }
+
+    override fun onBindViewHolder(viewHolder: TootViewHolder, position: Int) {
+        viewHolder.bind(items[position])
+    }
+
+    override fun getItemCount() = items.size
+
+    fun setItems(newItems: List<ScheduledStatus>) {
+        items = newItems.toMutableList()
+        notifyDataSetChanged()
+    }
+
+    fun removeItem(position: Int): ScheduledStatus? {
+        if (position < 0 || position >= items.size) {
+            return null
+        }
+        val toot = items.removeAt(position)
+        notifyItemRemoved(position)
+        return toot
+    }
+
+    inner class TootViewHolder(view: View) : RecyclerView.ViewHolder(view) {
+
+        private val text: TextView = view.findViewById(R.id.text)
+        private val edit: ImageButton = view.findViewById(R.id.edit)
+        private val delete: ImageButton = view.findViewById(R.id.delete)
+
+        fun bind(item: ScheduledStatus) {
+            edit.isEnabled = true
+            delete.isEnabled = true
+                text.text = item.params.text
+                edit.setOnClickListener { v: View ->
+                    v.isEnabled = false
+                    listener.edit(adapterPosition, item)
+                }
+                delete.setOnClickListener { v: View ->
+                    v.isEnabled = false
+                    listener.delete(adapterPosition, item)
+                }
+
+        }
+
+    }
+
+}