/* Copyright (C) 2023-2024 akasaka / Genjitsu Labs
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This file is part of Gadgetbridge.
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Gadgetbridge is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by 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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Gadgetbridge 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 Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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package nodomain.freeyourgadget.gadgetbridge.activities.files;
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import android.content.Context;
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import android.content.Intent;
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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.Filter;
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import android.widget.ImageView;
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import android.widget.PopupMenu;
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import android.widget.TextView;
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import android.widget.Toast;
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import androidx.annotation.NonNull;
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import androidx.appcompat.content.res.AppCompatResources;
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import androidx.recyclerview.widget.RecyclerView;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.File;
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import java.io.IOException;
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import java.text.DecimalFormat;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import nodomain.freeyourgadget.gadgetbridge.R;
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import nodomain.freeyourgadget.gadgetbridge.util.AndroidUtils;
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import nodomain.freeyourgadget.gadgetbridge.util.GB;
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public class FileManagerAdapter extends RecyclerView.Adapter<FileManagerAdapter.FileManagerViewHolder> {
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protected static final Logger LOG = LoggerFactory.getLogger(FileManagerAdapter.class);
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private final List<File> fileList;
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private final Context mContext;
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private final FileFilter fileFilter;
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public FileManagerAdapter(final Context context, final File directory) {
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mContext = context;
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// FIXME: This can be slow, make it async
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fileList = new ArrayList<>(Arrays.asList(directory.listFiles()));
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fileList.sort((f1, f2) -> {
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if (f1.isDirectory() && f2.isFile())
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return -1;
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if (f1.isFile() && f2.isDirectory())
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return 1;
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return String.CASE_INSENSITIVE_ORDER.compare(f1.getName(), f2.getName());
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});
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fileFilter = new FileFilter(this, fileList);
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}
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@NonNull
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@Override
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public FileManagerViewHolder onCreateViewHolder(@NonNull final ViewGroup parent, final int viewType) {
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final View view = LayoutInflater.from(mContext).inflate(R.layout.item_file_manager, parent, false);
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return new FileManagerViewHolder(view);
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}
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@Override
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public void onBindViewHolder(final FileManagerViewHolder holder, int position) {
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final File file = fileList.get(position);
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holder.name.setText(file.getName());
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if (file.isDirectory()) {
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holder.icon.setImageDrawable(AppCompatResources.getDrawable(mContext, R.drawable.ic_folder));
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holder.description.setVisibility(View.GONE);
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holder.menu.setVisibility(View.GONE);
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} else {
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holder.icon.setImageDrawable(AppCompatResources.getDrawable(mContext, R.drawable.ic_file_open));
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holder.description.setText(formatFileSize(file.length()));
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holder.description.setVisibility(View.VISIBLE);
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holder.menu.setVisibility(View.VISIBLE);
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holder.menu.setOnClickListener(view -> {
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final PopupMenu menu = new PopupMenu(mContext, holder.menu);
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menu.inflate(R.menu.file_manager_file);
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menu.setOnMenuItemClickListener(item -> {
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final int itemId = item.getItemId();
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if (itemId == R.id.file_manager_file_menu_share) {
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try {
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AndroidUtils.shareFile(mContext, file, "*/*");
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} catch (final IOException e) {
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GB.toast("Failed to share file", Toast.LENGTH_LONG, GB.ERROR, e);
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}
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return true;
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}
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return false;
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});
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menu.show();
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});
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}
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holder.itemView.setOnClickListener(v -> {
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if (file.isDirectory()) {
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final Intent fileManagerIntent = new Intent(mContext, FileManagerActivity.class);
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fileManagerIntent.putExtra(FileManagerActivity.EXTRA_PATH, file.getPath());
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mContext.startActivity(fileManagerIntent);
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} else {
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try {
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AndroidUtils.viewFile(file.getAbsolutePath(), "*/*", mContext);
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} catch (final IOException e) {
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GB.toast("Failed to open file", Toast.LENGTH_LONG, GB.ERROR, e);
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}
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}
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});
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}
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@Override
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public int getItemCount() {
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return fileList.size();
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}
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public Filter getFilter() {
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return fileFilter;
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}
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public static class FileManagerViewHolder extends RecyclerView.ViewHolder {
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final ImageView icon;
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final TextView name;
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final TextView description;
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final ImageView menu;
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FileManagerViewHolder(View itemView) {
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super(itemView);
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icon = itemView.findViewById(R.id.file_icon);
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name = itemView.findViewById(R.id.file_name);
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description = itemView.findViewById(R.id.file_description);
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menu = itemView.findViewById(R.id.file_menu);
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}
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}
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private static final DecimalFormat SIZE_FORMAT = new DecimalFormat("#,##0.#");
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public static String formatFileSize(final long size) {
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if (size <= 0) return "0";
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final String[] units = new String[]{"B", "kB", "MB", "GB", "TB", "PB", "EB"};
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int digitGroups = (int) (Math.log10(size) / Math.log10(1024));
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return SIZE_FORMAT.format(size / Math.pow(1024, digitGroups)) + " " + units[digitGroups];
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}
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private class FileFilter extends Filter {
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private final FileManagerAdapter adapter;
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private final List<File> originalList;
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private final List<File> filteredList;
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private FileFilter(final FileManagerAdapter adapter, final List<File> originalList) {
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super();
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this.originalList = new ArrayList<>(originalList);
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this.filteredList = new ArrayList<>();
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this.adapter = adapter;
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}
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@Override
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protected FilterResults performFiltering(final CharSequence filter) {
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filteredList.clear();
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final Filter.FilterResults results = new Filter.FilterResults();
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if (filter == null || filter.length() == 0)
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filteredList.addAll(originalList);
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else {
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final String filterPattern = filter.toString().toLowerCase().trim();
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for (File f : originalList) {
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final CharSequence name = f.getName();
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if (name.toString().toLowerCase().contains(filterPattern)) {
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filteredList.add(f);
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}
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}
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}
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results.values = filteredList;
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results.count = filteredList.size();
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return results;
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}
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@Override
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protected void publishResults(final CharSequence constraint, final FilterResults filterResults) {
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adapter.fileList.clear();
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adapter.fileList.addAll((List<File>) filterResults.values);
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adapter.notifyDataSetChanged();
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}
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}
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}
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