175 lines
6.5 KiB
Java
175 lines
6.5 KiB
Java
/*
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* Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* 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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*
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* This program 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.ui.dialog;
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import android.app.Dialog;
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import android.content.DialogInterface;
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import android.net.Uri;
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import android.os.Build;
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import android.os.Bundle;
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import android.provider.DocumentsContract;
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import android.support.v4.app.DialogFragment;
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import android.support.v4.app.FragmentActivity;
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import android.widget.Toast;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.util.FileHelper;
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import org.sufficientlysecure.keychain.util.Log;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.HashMap;
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public class DeleteFileDialogFragment extends DialogFragment {
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private static final String ARG_DELETE_URIS = "delete_uris";
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private OnDeletedListener onDeletedListener;
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/**
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* Creates new instance of this delete file dialog fragment
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*/
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public static DeleteFileDialogFragment newInstance(ArrayList<Uri> deleteUris) {
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DeleteFileDialogFragment frag = new DeleteFileDialogFragment();
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Bundle args = new Bundle();
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args.putParcelableArrayList(ARG_DELETE_URIS, deleteUris);
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frag.setArguments(args);
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return frag;
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}
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public static DeleteFileDialogFragment newInstance(Uri deleteUri) {
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DeleteFileDialogFragment frag = new DeleteFileDialogFragment();
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Bundle args = new Bundle();
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ArrayList<Uri> list = new ArrayList<>();
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list.add(deleteUri);
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args.putParcelableArrayList(ARG_DELETE_URIS, list);
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frag.setArguments(args);
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return frag;
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}
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/**
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* Creates dialog
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*/
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@Override
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public Dialog onCreateDialog(Bundle savedInstanceState) {
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final FragmentActivity activity = getActivity();
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final ArrayList<Uri> deleteUris = getArguments().getParcelableArrayList(ARG_DELETE_URIS);
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final StringBuilder deleteFileNames = new StringBuilder();
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//Retrieving file names after deletion gives unexpected results
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final HashMap<Uri, String> deleteFileNameMap = new HashMap<>();
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for (Uri deleteUri : deleteUris) {
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String deleteFileName = FileHelper.getFilename(getActivity(), deleteUri);
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deleteFileNames.append('\n').append(deleteFileName);
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deleteFileNameMap.put(deleteUri, deleteFileName);
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}
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CustomAlertDialogBuilder alert = new CustomAlertDialogBuilder(activity);
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alert.setTitle(getString(R.string.file_delete_confirmation_title));
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alert.setMessage(getString(R.string.file_delete_confirmation, deleteFileNames.toString()));
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alert.setPositiveButton(R.string.btn_delete, new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int id) {
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dismiss();
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ArrayList<String> failedFileNameList = new ArrayList<>();
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for (Uri deleteUri : deleteUris) {
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// Use DocumentsContract on Android >= 4.4
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
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try {
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if (DocumentsContract.deleteDocument(getActivity().getContentResolver(), deleteUri)) {
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continue;
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}
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} catch (Exception e) {
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Log.d(Constants.TAG, "Catched Exception, can happen when delete is not supported!", e);
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}
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}
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try {
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if (getActivity().getContentResolver().delete(deleteUri, null, null) > 0) {
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continue;
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}
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} catch (Exception e) {
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Log.d(Constants.TAG, "Catched Exception, can happen when delete is not supported!", e);
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}
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// some Uri's a ContentResolver fails to delete is handled by the java.io.File's delete
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// via the path of the Uri
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if (new File(deleteUri.getPath()).delete()) {
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continue;
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}
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// Note: We can't delete every file...
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failedFileNameList.add(deleteFileNameMap.get(deleteUri));
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}
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StringBuilder failedFileNames = new StringBuilder();
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if (!failedFileNameList.isEmpty()) {
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for (String failedFileName : failedFileNameList) {
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failedFileNames.append('\n').append(failedFileName);
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}
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failedFileNames.append('\n').append(getActivity().getString(R.string.error_file_delete_failed));
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}
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// NOTE: Use Toasts, not Snackbars. When sharing to another application snackbars
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// would not show up!
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Toast.makeText(getActivity(), getActivity().getString(R.string.file_delete_successful,
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deleteUris.size() - failedFileNameList.size(), deleteUris.size(), failedFileNames.toString()),
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Toast.LENGTH_LONG).show();
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if (onDeletedListener != null) {
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onDeletedListener.onDeleted();
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}
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}
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});
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alert.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int id) {
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dismiss();
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}
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});
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alert.setCancelable(true);
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return alert.show();
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}
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public void setOnDeletedListener(OnDeletedListener onDeletedListener) {
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this.onDeletedListener = onDeletedListener;
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}
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/**
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* Callback for performing tasks after the deletion of files
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*/
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public interface OnDeletedListener {
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public void onDeleted();
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}
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}
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