FairEmail/app/src/main/java/eu/faircode/email/AdapterVirusTotal.java

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2022-07-25 08:42:42 +00:00
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/>.
2023-01-01 07:52:55 +00:00
Copyright 2018-2023 by Marcel Bokhorst (M66B)
2022-07-25 08:42:42 +00:00
*/
import android.content.Context;
import android.graphics.Typeface;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.lifecycle.Lifecycle;
import androidx.lifecycle.LifecycleObserver;
import androidx.lifecycle.LifecycleOwner;
import androidx.lifecycle.OnLifecycleEvent;
import androidx.recyclerview.widget.DiffUtil;
import androidx.recyclerview.widget.ListUpdateCallback;
import androidx.recyclerview.widget.RecyclerView;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
public class AdapterVirusTotal extends RecyclerView.Adapter<AdapterVirusTotal.ViewHolder> {
private Context context;
private LifecycleOwner owner;
private LayoutInflater inflater;
private int colorWarning;
private int textColorSecondary;
private List<VirusTotal.ScanResult> items = new ArrayList<>();
public class ViewHolder extends RecyclerView.ViewHolder {
private View view;
private TextView tvName;
private TextView tvCategory;
ViewHolder(View itemView) {
super(itemView);
view = itemView.findViewById(R.id.clItem);
tvName = itemView.findViewById(R.id.tvName);
tvCategory = itemView.findViewById(R.id.tvCategory);
}
private void wire() {
}
private void unwire() {
}
private void bindTo(VirusTotal.ScanResult scan) {
boolean malicious = "malicious".equals(scan.category);
tvName.setText(scan.name);
tvCategory.setText(scan.category);
tvCategory.setTextColor(malicious ? colorWarning : textColorSecondary);
tvCategory.setTypeface(malicious ? Typeface.DEFAULT_BOLD : Typeface.DEFAULT);
}
}
AdapterVirusTotal(Context context, LifecycleOwner owner) {
this.context = context;
this.owner = owner;
this.inflater = LayoutInflater.from(context);
this.colorWarning = Helper.resolveColor(context, R.attr.colorWarning);
this.textColorSecondary = Helper.resolveColor(context, android.R.attr.textColorSecondary);
setHasStableIds(true);
owner.getLifecycle().addObserver(new LifecycleObserver() {
@OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
public void onDestroyed() {
Log.d(AdapterVirusTotal.this + " parent destroyed");
owner.getLifecycle().removeObserver(this);
}
});
}
public void set(@NonNull List<VirusTotal.ScanResult> scans) {
Log.i("Set scans=" + scans.size());
DiffUtil.DiffResult diff = DiffUtil.calculateDiff(new DiffCallback(items, scans), false);
items = scans;
diff.dispatchUpdatesTo(new ListUpdateCallback() {
@Override
public void onInserted(int position, int count) {
Log.d("Inserted @" + position + " #" + count);
}
@Override
public void onRemoved(int position, int count) {
Log.d("Removed @" + position + " #" + count);
}
@Override
public void onMoved(int fromPosition, int toPosition) {
Log.d("Moved " + fromPosition + ">" + toPosition);
}
@Override
public void onChanged(int position, int count, Object payload) {
Log.d("Changed @" + position + " #" + count);
}
});
try {
diff.dispatchUpdatesTo(this);
} catch (Throwable ex) {
Log.e(ex);
}
}
private static class DiffCallback extends DiffUtil.Callback {
private List<VirusTotal.ScanResult> prev = new ArrayList<>();
private List<VirusTotal.ScanResult> next = new ArrayList<>();
DiffCallback(List<VirusTotal.ScanResult> prev, List<VirusTotal.ScanResult> next) {
this.prev.addAll(prev);
this.next.addAll(next);
}
@Override
public int getOldListSize() {
return prev.size();
}
@Override
public int getNewListSize() {
return next.size();
}
@Override
public boolean areItemsTheSame(int oldItemPosition, int newItemPosition) {
VirusTotal.ScanResult m1 = prev.get(oldItemPosition);
VirusTotal.ScanResult m2 = next.get(newItemPosition);
return m1.name.equals(m2.name);
}
@Override
public boolean areContentsTheSame(int oldItemPosition, int newItemPosition) {
VirusTotal.ScanResult m1 = prev.get(oldItemPosition);
VirusTotal.ScanResult m2 = next.get(newItemPosition);
return (m1.name.equals(m2.name) &&
Objects.equals(m1.category, m2.category));
}
}
@Override
public long getItemId(int position) {
return items.get(position).name.hashCode();
}
@Override
public int getItemCount() {
return items.size();
}
@Override
@NonNull
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
return new ViewHolder(inflater.inflate(R.layout.item_virus_total, parent, false));
}
@Override
public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
holder.unwire();
VirusTotal.ScanResult scan = items.get(position);
holder.bindTo(scan);
holder.wire();
}
}