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/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.util;
import java.io.File;
import android.content.Intent;
import android.net.Uri;
import android.support.v4.app.FragmentActivity;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.operations.results.ExportResult;
import org.sufficientlysecure.keychain.service.ExportKeyringParcel;
import org.sufficientlysecure.keychain.ui.base.CryptoOperationHelper;
public class ExportHelper
implements CryptoOperationHelper.Callback <ExportKeyringParcel, ExportResult> {
protected File mExportFile;
FragmentActivity mActivity;
private boolean mExportSecret;
private long[] mMasterKeyIds;
public ExportHelper(FragmentActivity activity) {
super();
this.mActivity = activity;
}
/** Show dialog where to export keys */
public void showExportKeysDialog(final Long masterKeyId, final File exportFile,
final boolean exportSecret) {
mExportFile = exportFile;
String title;
if (masterKeyId == null) {
// export all keys
title = mActivity.getString(R.string.title_export_keys);
} else {
// export only key specified at data uri
title = mActivity.getString(R.string.title_export_key);
}
String message;
if (exportSecret) {
message = mActivity.getString(masterKeyId == null
? R.string.specify_backup_dest_secret
: R.string.specify_backup_dest_secret_single);
} else {
message = mActivity.getString(masterKeyId == null
? R.string.specify_backup_dest
: R.string.specify_backup_dest_single);
}
// TODO: for valodim
// FileHelper.saveDocumentDialog(new FileHelper.FileDialogCallback() {
// @Override
// public void onFileSelected(File file, boolean checked) {
// mExportFile = file;
// exportKeys(masterKeyId == null ? null : new long[] { masterKeyId }, exportSecret);
// }
// }, mActivity.getSupportFragmentManager(), title, message, exportFile, null);
}
// TODO: If ExportHelper requires pending data (see CryptoOPerationHelper), activities using
// TODO: this class should be able to call mExportOpHelper.handleActivity
/**
* Export keys
*/
public void exportKeys(long[] masterKeyIds, boolean exportSecret) {
Log.d(Constants.TAG, "exportKeys started");
mExportSecret = exportSecret;
mMasterKeyIds = masterKeyIds; // if masterKeyIds is null it means export all
CryptoOperationHelper<ExportKeyringParcel, ExportResult> exportOpHelper =
new CryptoOperationHelper<>(1, mActivity, this, R.string.progress_exporting);
exportOpHelper.cryptoOperation();
}
@Override
public ExportKeyringParcel createOperationInput() {
return new ExportKeyringParcel(mMasterKeyIds, mExportSecret, mExportFile.getAbsolutePath());
}
@Override
final public void onCryptoOperationSuccess(ExportResult result) {
// trigger scan of the created 'media' file so it shows up on MTP
// http://stackoverflow.com/questions/13737261/nexus-4-not-showing-files-via-mtp
mActivity.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.fromFile(mExportFile)));
result.createNotify(mActivity).show();
}
@Override
public void onCryptoOperationCancelled() {
}
@Override
public void onCryptoOperationError(ExportResult result) {
result.createNotify(mActivity).show();
}
@Override
public boolean onCryptoSetProgress(String msg, int progress, int max) {
return false;
}
}
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