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package de.danoeh.antennapod.adapter;
import android.content.Context;
import android.text.format.Formatter;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ProgressBar;
import android.widget.RadioButton;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.core.content.ContextCompat;
import androidx.core.util.Consumer;
import androidx.recyclerview.widget.RecyclerView;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.core.preferences.UserPreferences;
import de.danoeh.antennapod.core.util.StorageUtils;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
public class DataFolderAdapter extends RecyclerView.Adapter<DataFolderAdapter.ViewHolder> {
private final Consumer<String> selectionHandler;
private final String currentPath;
private final List<StoragePath> entries;
private final String freeSpaceString;
public DataFolderAdapter(Context context, @NonNull Consumer<String> selectionHandler) {
this.entries = getStorageEntries(context);
this.currentPath = getCurrentPath();
this.selectionHandler = selectionHandler;
this.freeSpaceString = context.getString(R.string.choose_data_directory_available_space);
}
@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
LayoutInflater inflater = LayoutInflater.from(parent.getContext());
View entryView = inflater.inflate(R.layout.choose_data_folder_dialog_entry, parent, false);
return new ViewHolder(entryView);
}
@Override
public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
StoragePath storagePath = entries.get(position);
Context context = holder.root.getContext();
String freeSpace = Formatter.formatShortFileSize(context, storagePath.getAvailableSpace());
String totalSpace = Formatter.formatShortFileSize(context, storagePath.getTotalSpace());
holder.path.setText(storagePath.getShortPath());
holder.size.setText(String.format(freeSpaceString, freeSpace, totalSpace));
holder.progressBar.setProgress(storagePath.getUsagePercentage());
View.OnClickListener selectListener = v -> selectionHandler.accept(storagePath.getFullPath());
holder.root.setOnClickListener(selectListener);
holder.radioButton.setOnClickListener(selectListener);
if (storagePath.getFullPath().equals(currentPath)) {
holder.radioButton.toggle();
}
}
@Override
public int getItemCount() {
return entries.size();
}
private String getCurrentPath() {
File dataFolder = UserPreferences.getDataFolder(null);
if (dataFolder != null) {
return dataFolder.getAbsolutePath();
}
return null;
}
private List<StoragePath> getStorageEntries(Context context) {
File[] mediaDirs = ContextCompat.getExternalFilesDirs(context, null);
final List<StoragePath> entries = new ArrayList<>(mediaDirs.length);
for (File dir : mediaDirs) {
if (!isWritable(dir)) {
continue;
}
entries.add(new StoragePath(dir.getAbsolutePath()));
}
if (entries.isEmpty() && isWritable(context.getFilesDir())) {
entries.add(new StoragePath(context.getFilesDir().getAbsolutePath()));
}
return entries;
}
private boolean isWritable(File dir) {
return dir != null && dir.exists() && dir.canRead() && dir.canWrite();
}
static class ViewHolder extends RecyclerView.ViewHolder {
private final View root;
private final TextView path;
private final TextView size;
private final RadioButton radioButton;
private final ProgressBar progressBar;
ViewHolder(View itemView) {
super(itemView);
root = itemView.findViewById(R.id.root);
path = itemView.findViewById(R.id.path);
size = itemView.findViewById(R.id.size);
radioButton = itemView.findViewById(R.id.radio_button);
progressBar = itemView.findViewById(R.id.used_space);
}
}
static class StoragePath {
private final String path;
StoragePath(String path) {
this.path = path;
}
String getShortPath() {
int prefixIndex = path.indexOf("Android");
return (prefixIndex > 0) ? path.substring(0, prefixIndex) : path;
}
String getFullPath() {
return this.path;
}
long getAvailableSpace() {
return StorageUtils.getFreeSpaceAvailable(path);
}
long getTotalSpace() {
return StorageUtils.getTotalSpaceAvailable(path);
}
int getUsagePercentage() {
return 100 - (int) (100 * getAvailableSpace() / (float) getTotalSpace());
}
}
}
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