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Diffstat (limited to 'app/src/main/java/de/danoeh/antennapod/activity/DirectoryChooserActivity.java')
-rw-r--r--app/src/main/java/de/danoeh/antennapod/activity/DirectoryChooserActivity.java333
1 files changed, 0 insertions, 333 deletions
diff --git a/app/src/main/java/de/danoeh/antennapod/activity/DirectoryChooserActivity.java b/app/src/main/java/de/danoeh/antennapod/activity/DirectoryChooserActivity.java
deleted file mode 100644
index 49ce954bc..000000000
--- a/app/src/main/java/de/danoeh/antennapod/activity/DirectoryChooserActivity.java
+++ /dev/null
@@ -1,333 +0,0 @@
-package de.danoeh.antennapod.activity;
-
-import android.app.Activity;
-import android.content.Intent;
-import android.os.Bundle;
-import android.os.Environment;
-import android.os.FileObserver;
-import androidx.core.app.NavUtils;
-import androidx.appcompat.app.AlertDialog;
-import androidx.appcompat.app.AppCompatActivity;
-import android.util.Log;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.widget.ArrayAdapter;
-import android.widget.Button;
-import android.widget.ImageButton;
-import android.widget.ListView;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import java.io.File;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-
-import de.danoeh.antennapod.BuildConfig;
-import de.danoeh.antennapod.R;
-import de.danoeh.antennapod.core.preferences.UserPreferences;
-
-/**
- * Let's the user choose a directory on the storage device. The selected folder
- * will be sent back to the starting activity as an activity result.
- */
-public class DirectoryChooserActivity extends AppCompatActivity {
-
- private static final String TAG = "DirectoryChooserActivit";
-
- private static final String CREATE_DIRECTORY_NAME = "AntennaPod";
-
- public static final String RESULT_SELECTED_DIR = "selected_dir";
- public static final int RESULT_CODE_DIR_SELECTED = 1;
-
- private Button butConfirm;
- private Button butCancel;
- private ImageButton butNavUp;
- private TextView txtvSelectedFolder;
- private ListView listDirectories;
-
- private ArrayAdapter<String> listDirectoriesAdapter;
- private ArrayList<String> filenames;
- /** The directory that is currently being shown. */
- private File selectedDir;
- private File[] filesInDir;
-
- private FileObserver fileObserver;
-
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- setTheme(UserPreferences.getTheme());
- super.onCreate(savedInstanceState);
- getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-
- setContentView(R.layout.directory_chooser);
- butConfirm = findViewById(R.id.butConfirm);
- butCancel = findViewById(R.id.butCancel);
- butNavUp = findViewById(R.id.butNavUp);
- txtvSelectedFolder = findViewById(R.id.txtvSelectedFolder);
- listDirectories = findViewById(R.id.directory_list);
-
- butConfirm.setOnClickListener(new OnClickListener() {
-
- @Override
- public void onClick(View v) {
- if (isValidFile(selectedDir)) {
- if (selectedDir.list().length == 0) {
- returnSelectedFolder();
- } else {
- showNonEmptyDirectoryWarning();
- }
- }
- }
-
- private void showNonEmptyDirectoryWarning() {
- AlertDialog.Builder adb = new AlertDialog.Builder(
- DirectoryChooserActivity.this);
- adb.setTitle(R.string.folder_not_empty_dialog_title);
- adb.setMessage(R.string.folder_not_empty_dialog_msg);
- adb.setNegativeButton(R.string.cancel_label,
- (dialog, which) -> dialog.dismiss());
- adb.setPositiveButton(R.string.confirm_label,
- (dialog, which) -> {
- dialog.dismiss();
- returnSelectedFolder();
- });
- adb.create().show();
- }
- });
-
- butCancel.setOnClickListener(v -> {
- setResult(Activity.RESULT_CANCELED);
- finish();
- });
-
- listDirectories.setOnItemClickListener((adapter, view, position, id) -> {
- Log.d(TAG, "Selected index: " + position);
- if (filesInDir != null && position >= 0
- && position < filesInDir.length) {
- changeDirectory(filesInDir[position]);
- }
- });
-
- butNavUp.setOnClickListener(v -> {
- File parent = null;
- if (selectedDir != null
- && (parent = selectedDir.getParentFile()) != null) {
- changeDirectory(parent);
- }
- });
-
- filenames = new ArrayList<>();
- listDirectoriesAdapter = new ArrayAdapter<>(this,
- android.R.layout.simple_list_item_1, filenames);
- listDirectories.setAdapter(listDirectoriesAdapter);
- changeDirectory(Environment.getExternalStorageDirectory());
- }
-
- /**
- * Finishes the activity and returns the selected folder as a result. The
- * selected folder can also be null.
- */
- private void returnSelectedFolder() {
- if (selectedDir != null && BuildConfig.DEBUG)
- Log.d(TAG, "Returning " + selectedDir.getAbsolutePath()
- + " as result");
- Intent resultData = new Intent();
- if (selectedDir != null) {
- resultData.putExtra(RESULT_SELECTED_DIR,
- selectedDir.getAbsolutePath());
- }
- setResult(Activity.RESULT_OK, resultData);
- finish();
- }
-
- @Override
- protected void onPause() {
- super.onPause();
- if (fileObserver != null) {
- fileObserver.stopWatching();
- }
- }
-
- @Override
- protected void onResume() {
- super.onResume();
- if (fileObserver != null) {
- fileObserver.startWatching();
- }
- }
-
- @Override
- public void onStop() {
- super.onStop();
- listDirectoriesAdapter = null;
- fileObserver = null;
- }
-
- /**
- * Change the directory that is currently being displayed.
- *
- * @param dir
- * The file the activity should switch to. This File must be
- * non-null and a directory, otherwise the displayed directory
- * will not be changed
- */
- private void changeDirectory(File dir) {
- if (dir != null && dir.isDirectory()) {
- File[] contents = dir.listFiles();
- if (contents != null) {
- int numDirectories = 0;
- for (File f : contents) {
- if (f.isDirectory()) {
- numDirectories++;
- }
- }
- filesInDir = new File[numDirectories];
- filenames.clear();
- for (int i = 0, counter = 0; i < numDirectories; counter++) {
- if (contents[counter].isDirectory()) {
- filesInDir[i] = contents[counter];
- filenames.add(contents[counter].getName());
- i++;
- }
- }
- Arrays.sort(filesInDir);
- Collections.sort(filenames);
- selectedDir = dir;
- txtvSelectedFolder.setText(dir.getAbsolutePath());
- listDirectoriesAdapter.notifyDataSetChanged();
- fileObserver = createFileObserver(dir.getAbsolutePath());
- fileObserver.startWatching();
- Log.d(TAG, "Changed directory to " + dir.getAbsolutePath());
- } else {
- Log.d(TAG, "Could not change folder: contents of dir were null");
- }
- } else {
- if (dir == null) {
- Log.d(TAG, "Could not change folder: dir was null");
- } else {
- Log.d(TAG, "Could not change folder: dir is no directory");
- }
- }
- refreshButtonState();
- }
-
- /**
- * Changes the state of the buttons depending on the currently selected file
- * or folder.
- */
- private void refreshButtonState() {
- if (selectedDir != null) {
- butConfirm.setEnabled(isValidFile(selectedDir));
- supportInvalidateOptionsMenu();
- }
- }
-
- /** Refresh the contents of the directory that is currently shown. */
- private void refreshDirectory() {
- if (selectedDir != null) {
- changeDirectory(selectedDir);
- }
- }
-
- /** Sets up a FileObserver to watch the current directory. */
- private FileObserver createFileObserver(String path) {
- return new FileObserver(path, FileObserver.CREATE | FileObserver.DELETE
- | FileObserver.MOVED_FROM | FileObserver.MOVED_TO) {
-
- @Override
- public void onEvent(int event, String path) {
- Log.d(TAG, "FileObserver received event " + event);
- runOnUiThread(DirectoryChooserActivity.this::refreshDirectory);
- }
- };
- }
-
- @Override
- public boolean onPrepareOptionsMenu(Menu menu) {
- super.onPrepareOptionsMenu(menu);
- menu.findItem(R.id.new_folder_item).setVisible(isValidFile(selectedDir));
- return true;
- }
-
- @Override
- public boolean onCreateOptionsMenu(Menu menu) {
- super.onCreateOptionsMenu(menu);
- MenuInflater inflater = getMenuInflater();
- inflater.inflate(R.menu.directory_chooser, menu);
- return true;
- }
-
- @Override
- public boolean onOptionsItemSelected(MenuItem item) {
- switch (item.getItemId()) {
- case android.R.id.home:
- NavUtils.navigateUpFromSameTask(this);
- return true;
- case R.id.new_folder_item:
- openNewFolderDialog();
- return true;
- case R.id.set_to_default_folder_item:
- selectedDir = null;
- returnSelectedFolder();
- return true;
- default:
- return false;
- }
- }
-
- /**
- * Shows a confirmation dialog that asks the user if he wants to create a
- * new folder.
- */
- private void openNewFolderDialog() {
- AlertDialog.Builder builder = new AlertDialog.Builder(this);
- builder.setTitle(R.string.create_folder_label);
- builder.setMessage(String.format(getString(R.string.create_folder_msg),
- CREATE_DIRECTORY_NAME));
- builder.setNegativeButton(R.string.cancel_label,
- (dialog, which) -> dialog.dismiss());
- builder.setPositiveButton(R.string.confirm_label,
- (dialog, which) -> {
- dialog.dismiss();
- int msg = createFolder();
- Toast t = Toast.makeText(DirectoryChooserActivity.this,
- msg, Toast.LENGTH_SHORT);
- t.show();
- });
- builder.create().show();
- }
-
- /**
- * Creates a new folder in the current directory with the name
- * CREATE_DIRECTORY_NAME.
- */
- private int createFolder() {
- if (selectedDir == null) {
- return R.string.create_folder_error;
- } else if (selectedDir.canWrite()) {
- File newDir = new File(selectedDir, CREATE_DIRECTORY_NAME);
- if (!newDir.exists()) {
- boolean result = newDir.mkdir();
- if (result) {
- return R.string.create_folder_success;
- } else {
- return R.string.create_folder_error;
- }
- } else {
- return R.string.create_folder_error_already_exists;
- }
- } else {
- return R.string.create_folder_error_no_write_access;
- }
- }
-
- /** Returns true if the selected file or directory would be valid selection. */
- private boolean isValidFile(File file) {
- return file != null && file.isDirectory() && file.canRead() && file.canWrite();
- }
-
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-17 13:17:53 +0000