Refactoring

app/src/main/java/eu/faircode/email/AdapterAttachmentEML.java

@@ -0,0 +1,120 @@
+package eu.faircode.email;
+
+/*
+    This file is part of FairEmail.
+
+    FairEmail 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.
+
+    FairEmail 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 FairEmail.  If not, see <http://www.gnu.org/licenses/>.
+
+    Copyright 2018-2019 by Marcel Bokhorst (M66B)
+*/
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.List;
+
+public class AdapterAttachmentEML extends RecyclerView.Adapter<AdapterAttachmentEML.ViewHolder> {
+    private LayoutInflater inflater;
+
+    private IEML intf;
+    private List<MessageHelper.AttachmentPart> aparts;
+
+    public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
+        private View view;
+        private TextView tvName;
+        private TextView tvSize;
+        private TextView tvType;
+
+        ViewHolder(View itemView) {
+            super(itemView);
+
+            view = itemView.findViewById(R.id.clItem);
+            tvName = itemView.findViewById(R.id.tvName);
+            tvSize = itemView.findViewById(R.id.tvSize);
+            tvType = itemView.findViewById(R.id.tvType);
+        }
+
+        private void wire() {
+            view.setOnClickListener(this);
+        }
+
+        private void unwire() {
+            view.setOnClickListener(null);
+        }
+
+        private void bindTo(MessageHelper.AttachmentPart apart) {
+            tvName.setText(apart.attachment.name);
+
+            if (apart.attachment.size != null)
+                tvSize.setText(Helper.humanReadableByteCount(apart.attachment.size, true));
+            tvSize.setVisibility(apart.attachment.size == null ? View.GONE : View.VISIBLE);
+
+            StringBuilder sb = new StringBuilder();
+            sb.append(apart.attachment.type);
+            if (apart.attachment.disposition != null)
+                sb.append(' ').append(apart.attachment.disposition);
+            tvType.setText(sb.toString());
+        }
+
+        @Override
+        public void onClick(View view) {
+            int pos = getAdapterPosition();
+            if (pos == RecyclerView.NO_POSITION)
+                return;
+
+            MessageHelper.AttachmentPart apart = aparts.get(pos);
+            if (apart != null)
+                intf.onSelected(apart);
+        }
+    }
+
+    AdapterAttachmentEML(Context context, List<MessageHelper.AttachmentPart> aparts, IEML intf) {
+        this.inflater = LayoutInflater.from(context);
+        this.aparts = aparts;
+        this.intf = intf;
+
+        setHasStableIds(false);
+    }
+
+    @Override
+    public int getItemCount() {
+        return aparts.size();
+    }
+
+    @Override
+    @NonNull
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        return new ViewHolder(inflater.inflate(R.layout.item_attachment_eml, parent, false));
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+        holder.unwire();
+
+        MessageHelper.AttachmentPart apart = aparts.get(position);
+        holder.bindTo(apart);
+
+        holder.wire();
+    }
+
+    interface IEML {
+        void onSelected(MessageHelper.AttachmentPart apart);
+    }
+}