1 files changed, 147 insertions, 0 deletions
diff --git a/app/src/main/java/de/danoeh/antennapod/adapter/DataFolderAdapter.java b/app/src/main/java/de/danoeh/antennapod/adapter/DataFolderAdapter.java
new file mode 100644
index 000000000..636a23088
--- /dev/null
+++ b/app/src/main/java/de/danoeh/antennapod/adapter/DataFolderAdapter.java
@@ -0,0 +1,147 @@
+package de.danoeh.antennapod.adapter;
+
+import android.app.Dialog;
+import android.content.Context;
+import android.support.annotation.NonNull;
+import android.support.v4.content.ContextCompat;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.RadioButton;
+import android.widget.TextView;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+
+import de.danoeh.antennapod.R;
+import de.danoeh.antennapod.core.preferences.UserPreferences;
+import de.danoeh.antennapod.core.util.Converter;
+import de.danoeh.antennapod.core.util.StorageUtils;
+import de.danoeh.antennapod.dialog.ChooseDataFolderDialog;
+import me.zhanghai.android.materialprogressbar.MaterialProgressBar;
+
+
+public class DataFolderAdapter extends RecyclerView.Adapter<DataFolderAdapter.ViewHolder> {
+    private final ChooseDataFolderDialog.RunnableWithString selectionHandler;
+    private final String currentPath;
+    private final List<StoragePath> entries;
+    private final String freeSpaceString;
+    private Dialog dialog;
+
+    public DataFolderAdapter(Context context, ChooseDataFolderDialog.RunnableWithString 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);
+        String freeSpace = Converter.byteToString(storagePath.getAvailableSpace());
+
+        holder.path.setText(storagePath.getShortPath());
+        holder.size.setText(String.format(freeSpaceString, freeSpace));
+        holder.progressBar.setProgress(storagePath.getUsagePercentage());
+        holder.root.setOnClickListener((View v) -> selectAndDismiss(storagePath));
+        holder.radioButton.setOnClickListener((View v) -> selectAndDismiss(storagePath));
+        if (storagePath.getFullPath().equals(currentPath)) {
+            holder.radioButton.toggle();
+        }
+    }
+
+    @Override
+    public int getItemCount() {
+        if (currentPath == null) {
+            return 0;
+        } else {
+            return entries.size();
+        }
+    }
+
+    public void setDialog(Dialog dialog) {
+        this.dialog = dialog;
+    }
+
+    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 (isNotWritable(dir)) continue;
+
+            entries.add(new StoragePath(dir.getAbsolutePath()));
+        }
+        return entries;
+    }
+
+    private boolean isNotWritable(File dir) {
+        return dir == null || !dir.exists() || !dir.canRead() || !dir.canWrite();
+    }
+
+    private void selectAndDismiss(StoragePath storagePath) {
+        selectionHandler.run(storagePath.getFullPath());
+        dialog.dismiss();
+    }
+
+    class ViewHolder extends RecyclerView.ViewHolder {
+        private View root;
+        private TextView path;
+        private TextView size;
+        private RadioButton radioButton;
+        private MaterialProgressBar 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);
+        }
+    }
+
+    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());
+        }
+    }
+}
+\ No newline at end of file