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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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NetGuard 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 NetGuard. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2018 by Marcel Bokhorst (M66B)
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*/
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.content.pm.ResolveInfo;
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import android.net.Uri;
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import android.os.Bundle;
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import android.preference.PreferenceManager;
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import android.util.Log;
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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.ImageView;
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import android.widget.ProgressBar;
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import android.widget.TextView;
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import android.widget.Toast;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.List;
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import androidx.annotation.NonNull;
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import androidx.core.content.FileProvider;
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import androidx.lifecycle.LifecycleOwner;
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import androidx.recyclerview.widget.DiffUtil;
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import androidx.recyclerview.widget.ListUpdateCallback;
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import androidx.recyclerview.widget.RecyclerView;
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public class AdapterAttachment extends RecyclerView.Adapter<AdapterAttachment.ViewHolder> {
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private Context context;
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private LifecycleOwner owner;
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private boolean debug;
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private List<EntityAttachment> all = new ArrayList<>();
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private List<EntityAttachment> filtered = new ArrayList<>();
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public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
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View itemView;
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TextView tvName;
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TextView tvSize;
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ImageView ivStatus;
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TextView tvType;
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TextView tvFile;
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ProgressBar progressbar;
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ViewHolder(View itemView) {
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super(itemView);
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this.itemView = itemView;
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tvName = itemView.findViewById(R.id.tvName);
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tvSize = itemView.findViewById(R.id.tvSize);
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ivStatus = itemView.findViewById(R.id.ivStatus);
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tvType = itemView.findViewById(R.id.tvType);
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tvFile = itemView.findViewById(R.id.tvFile);
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progressbar = itemView.findViewById(R.id.progressbar);
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}
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private void wire() {
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itemView.setOnClickListener(this);
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}
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private void unwire() {
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itemView.setOnClickListener(null);
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}
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private void bindTo(EntityAttachment attachment) {
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tvName.setText(attachment.name);
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if (attachment.size != null)
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tvSize.setText(Helper.humanReadableByteCount(attachment.size, false));
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tvSize.setVisibility(attachment.size == null ? View.GONE : View.VISIBLE);
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if (attachment.filename == null) {
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if (attachment.progress == null) {
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ivStatus.setImageResource(R.drawable.baseline_get_app_24);
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ivStatus.setVisibility(View.VISIBLE);
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} else
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ivStatus.setVisibility(View.GONE);
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} else {
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ivStatus.setImageResource(R.drawable.baseline_visibility_24);
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ivStatus.setVisibility(View.VISIBLE);
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}
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if (attachment.progress != null)
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progressbar.setProgress(attachment.progress);
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progressbar.setVisibility(
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attachment.progress == null || attachment.filename != null ? View.GONE : View.VISIBLE);
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tvType.setText(attachment.type);
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tvFile.setText(attachment.filename);
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tvType.setVisibility(debug ? View.VISIBLE : View.GONE);
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tvFile.setVisibility(debug ? View.VISIBLE : View.GONE);
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}
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@Override
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public void onClick(View view) {
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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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final EntityAttachment attachment = filtered.get(pos);
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if (attachment != null)
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if (attachment.filename == null) {
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if (attachment.progress == null) {
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Bundle args = new Bundle();
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args.putLong("id", attachment.id);
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args.putLong("message", attachment.message);
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args.putInt("sequence", attachment.sequence);
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new SimpleTask<Void>() {
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@Override
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protected Void onLoad(Context context, Bundle args) {
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long id = args.getLong("id");
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long message = args.getLong("message");
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long sequence = args.getInt("sequence");
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DB db = DB.getInstance(context);
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try {
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db.beginTransaction();
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db.attachment().setProgress(id, 0);
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EntityMessage msg = db.message().getMessage(message);
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EntityOperation.queue(db, msg, EntityOperation.ATTACHMENT, sequence);
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db.setTransactionSuccessful();
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} finally {
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db.endTransaction();
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}
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EntityOperation.process(context);
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return null;
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}
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}.load(context, owner, args);
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}
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} else {
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// Build file name
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File dir = new File(context.getFilesDir(), "attachments");
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File file = new File(dir, attachment.filename);
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// https://developer.android.com/reference/android/support/v4/content/FileProvider
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Uri uri = FileProvider.getUriForFile(context, "eu.faircode.email", file);
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// Build intent
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final Intent intent = new Intent(Intent.ACTION_VIEW);
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intent.setData(uri);
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intent.setType(attachment.type);
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intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
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Log.i(Helper.TAG, "Sharing " + file + " type=" + attachment.type);
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// Set permissions
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List<ResolveInfo> targets = context.getPackageManager().queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY);
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for (ResolveInfo resolveInfo : targets)
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context.grantUriPermission(resolveInfo.activityInfo.packageName, uri, Intent.FLAG_GRANT_READ_URI_PERMISSION);
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// Check if viewer available
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if (targets.size() == 0) {
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Toast.makeText(context, R.string.title_no_viewer, Toast.LENGTH_LONG).show();
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return;
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}
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context.startActivity(intent);
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}
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}
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}
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AdapterAttachment(Context context, LifecycleOwner owner) {
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this.context = context;
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this.owner = owner;
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this.debug = PreferenceManager.getDefaultSharedPreferences(context).getBoolean("debug", false);
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setHasStableIds(true);
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}
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public void set(@NonNull List<EntityAttachment> attachments) {
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Log.i(Helper.TAG, "Set attachments=" + attachments.size());
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Collections.sort(attachments, new Comparator<EntityAttachment>() {
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@Override
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public int compare(EntityAttachment a1, EntityAttachment a2) {
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return a1.sequence.compareTo(a2.sequence);
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}
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});
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all.clear();
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all.addAll(attachments);
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DiffUtil.DiffResult diff = DiffUtil.calculateDiff(new MessageDiffCallback(filtered, all));
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filtered.clear();
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filtered.addAll(all);
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diff.dispatchUpdatesTo(new ListUpdateCallback() {
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@Override
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public void onInserted(int position, int count) {
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Log.i(Helper.TAG, "Inserted @" + position + " #" + count);
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}
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@Override
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public void onRemoved(int position, int count) {
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Log.i(Helper.TAG, "Removed @" + position + " #" + count);
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}
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@Override
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public void onMoved(int fromPosition, int toPosition) {
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Log.i(Helper.TAG, "Moved " + fromPosition + ">" + toPosition);
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}
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@Override
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public void onChanged(int position, int count, Object payload) {
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Log.i(Helper.TAG, "Changed @" + position + " #" + count);
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}
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});
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diff.dispatchUpdatesTo(AdapterAttachment.this);
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}
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private class MessageDiffCallback extends DiffUtil.Callback {
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private List<EntityAttachment> prev;
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private List<EntityAttachment> next;
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MessageDiffCallback(List<EntityAttachment> prev, List<EntityAttachment> next) {
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this.prev = prev;
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this.next = 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 filtered.get(position).id;
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}
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@Override
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public int getItemCount() {
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return filtered.size();
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}
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@Override
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@NonNull
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public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
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return new ViewHolder(LayoutInflater.from(context).inflate(R.layout.item_attachment, parent, false));
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}
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@Override
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public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
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holder.unwire();
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EntityAttachment attachment = filtered.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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