mirror of https://github.com/M66B/FairEmail.git
279 lines
10 KiB
Java
279 lines
10 KiB
Java
package eu.faircode.email;
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/*
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This file is part of FairEmail.
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FairEmail is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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FairEmail is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2018-2024 by Marcel Bokhorst (M66B)
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*/
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import android.app.Dialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.os.Bundle;
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import android.text.TextUtils;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.CheckBox;
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import android.widget.CompoundButton;
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import android.widget.ProgressBar;
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import android.widget.TextView;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.appcompat.app.AlertDialog;
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import androidx.recyclerview.widget.DiffUtil;
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import androidx.recyclerview.widget.LinearLayoutManager;
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import androidx.recyclerview.widget.RecyclerView;
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import org.json.JSONArray;
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import java.util.ArrayList;
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import java.util.List;
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public class FragmentDialogDeleteAttachments extends FragmentDialogBase {
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@NonNull
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@Override
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public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
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final Context context = getContext();
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final View dview = LayoutInflater.from(context).inflate(R.layout.dialog_delete_attachments, null);
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final RecyclerView rvAttachment = dview.findViewById(R.id.rvAttachment);
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final ProgressBar pbWait = dview.findViewById(R.id.pbWait);
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rvAttachment.setHasFixedSize(false);
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rvAttachment.setLayoutManager(new LinearLayoutManager(context));
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AdapterAttachmentSelect adapter = new AdapterAttachmentSelect(context);
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rvAttachment.setAdapter(adapter);
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new SimpleTask<List<EntityAttachment>>() {
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@Override
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protected void onPreExecute(Bundle args) {
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pbWait.setVisibility(View.VISIBLE);
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}
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@Override
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protected void onPostExecute(Bundle args) {
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pbWait.setVisibility(View.GONE);
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}
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@Override
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protected List<EntityAttachment> onExecute(Context context, Bundle args) {
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long id = args.getLong("id");
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DB db = DB.getInstance(context);
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return db.attachment().getAttachments(id);
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}
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@Override
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protected void onExecuted(final Bundle args, List<EntityAttachment> attachments) {
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if (attachments == null)
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attachments = new ArrayList<>();
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for (EntityAttachment attachment : attachments)
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if (attachment.encryption == null &&
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(attachment.size == null || attachment.size > 0))
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attachment.selected = true;
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adapter.set(attachments);
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}
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@Override
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protected void onException(Bundle args, Throwable ex) {
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Log.unexpectedError(getParentFragmentManager(), ex);
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}
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}.execute(this, getArguments(), "attachments:delete");
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return new AlertDialog.Builder(context)
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.setIcon(R.drawable.twotone_attachment_24)
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.setTitle(R.string.title_delete_attachments)
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.setView(dview)
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.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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Bundle args = new Bundle();
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args.putLong("id", getArguments().getLong("id"));
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args.putLongArray("ids", Helper.toLongArray(adapter.getSelectedItems()));
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new SimpleTask<Void>() {
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@Override
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protected Void onExecute(Context context, Bundle args) throws Throwable {
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long id = args.getLong("id");
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long[] ids = args.getLongArray("ids");
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DB db = DB.getInstance(context);
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EntityMessage message = db.message().getMessage(id);
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if (message == null)
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return null;
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JSONArray jids = new JSONArray();
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for (int i = 0; i < ids.length; i++)
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jids.put(i, ids[i]);
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EntityOperation.queue(context, message, EntityOperation.DETACH, jids);
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return null;
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}
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@Override
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protected void onException(Bundle args, Throwable ex) {
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Log.unexpectedError(getParentFragmentManager(), ex);
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}
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}.execute(FragmentDialogDeleteAttachments.this, args, "delete:attachments");
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}
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})
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.setNegativeButton(android.R.string.cancel, null)
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.create();
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}
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public static class AdapterAttachmentSelect extends RecyclerView.Adapter<AdapterAttachmentSelect.ViewHolder> {
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private Context context;
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private LayoutInflater inflater;
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private List<EntityAttachment> items = new ArrayList<>();
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public class ViewHolder extends RecyclerView.ViewHolder implements CompoundButton.OnCheckedChangeListener {
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private CheckBox cbEnabled;
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private TextView tvInfo;
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ViewHolder(View itemView) {
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super(itemView);
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cbEnabled = itemView.findViewById(R.id.cbEnabled);
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tvInfo = itemView.findViewById(R.id.tvInfo);
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}
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private void wire() {
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cbEnabled.setOnCheckedChangeListener(this);
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}
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private void unwire() {
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cbEnabled.setOnCheckedChangeListener(null);
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}
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private void bindTo(EntityAttachment attachment) {
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cbEnabled.setText(attachment.name);
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cbEnabled.setChecked(attachment.selected);
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cbEnabled.setEnabled(attachment.encryption == null &&
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(attachment.size == null || attachment.size > 0));
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StringBuilder sb = new StringBuilder();
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if (!TextUtils.isEmpty(attachment.type))
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sb.append(attachment.type);
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if (attachment.size != null) {
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if (sb.length() > 0)
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sb.append(' ');
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sb.append(Helper.humanReadableByteCount(attachment.size));
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}
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tvInfo.setText(sb.toString());
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}
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@Override
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public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
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int pos = getAdapterPosition();
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if (pos == RecyclerView.NO_POSITION)
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return;
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items.get(pos).selected = isChecked;
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}
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}
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AdapterAttachmentSelect(Context context) {
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this.context = context;
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this.inflater = LayoutInflater.from(context);
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setHasStableIds(true);
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}
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public void set(List<EntityAttachment> attachments) {
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Log.i("Set attachments=" + attachments.size());
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DiffUtil.DiffResult diff = DiffUtil.calculateDiff(new DiffCallback(items, attachments), false);
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items = attachments;
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try {
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diff.dispatchUpdatesTo(this);
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} catch (Throwable ex) {
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Log.e(ex);
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}
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}
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List<Long> getSelectedItems() {
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List<Long> result = new ArrayList<>();
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for (EntityAttachment attachment : items)
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if (attachment.selected)
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result.add(attachment.id);
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return result;
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}
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private class DiffCallback extends DiffUtil.Callback {
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private List<EntityAttachment> prev = new ArrayList<>();
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private List<EntityAttachment> next = new ArrayList<>();
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DiffCallback(List<EntityAttachment> prev, List<EntityAttachment> next) {
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this.prev.addAll(prev);
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this.next.addAll(next);
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}
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@Override
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public int getOldListSize() {
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return prev.size();
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}
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@Override
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public int getNewListSize() {
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return next.size();
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}
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@Override
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public boolean areItemsTheSame(int oldItemPosition, int newItemPosition) {
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EntityAttachment a1 = prev.get(oldItemPosition);
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EntityAttachment a2 = next.get(newItemPosition);
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return a1.id.equals(a2.id);
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}
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@Override
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public boolean areContentsTheSame(int oldItemPosition, int newItemPosition) {
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EntityAttachment a1 = prev.get(oldItemPosition);
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EntityAttachment a2 = next.get(newItemPosition);
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return a1.equals(a2);
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}
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}
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@Override
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public long getItemId(int position) {
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return items.get(position).id;
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}
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@Override
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public int getItemCount() {
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return items.size();
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}
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@Override
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@NonNull
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public AdapterAttachmentSelect.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
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return new AdapterAttachmentSelect.ViewHolder(inflater.inflate(R.layout.item_attachment_delete, parent, false));
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}
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@Override
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public void onBindViewHolder(@NonNull AdapterAttachmentSelect.ViewHolder holder, int position) {
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holder.unwire();
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EntityAttachment attachment = items.get(position);
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holder.bindTo(attachment);
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holder.wire();
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}
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}
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}
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