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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 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;
import java.io.File;
public class ExportHelper
implements CryptoOperationHelper.Callback <ExportKeyringParcel, ExportResult> {
protected File mExportFile;
FragmentActivity mActivity;
private CryptoOperationHelper<ExportKeyringParcel, ExportResult> mExportOpHelper;
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[] masterKeyIds, final File exportFile,
final boolean showSecretCheckbox) {
mExportFile = exportFile;
String title = null;
if (masterKeyIds == 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 = mActivity.getString(R.string.specify_file_to_export_to);
String checkMsg = showSecretCheckbox ?
mActivity.getString(R.string.also_export_secret_keys) : null;
FileHelper.saveFile(new FileHelper.FileDialogCallback() {
@Override
public void onFileSelected(File file, boolean checked) {
mExportFile = file;
exportKeys(masterKeyIds, checked);
}
}, mActivity.getSupportFragmentManager() ,title, message, exportFile, checkMsg);
}
// 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
mExportOpHelper = new CryptoOperationHelper(mActivity, this, R.string.progress_exporting);
mExportOpHelper.cryptoOperation();
}
@Override
public ExportKeyringParcel createOperationInput() {
return new ExportKeyringParcel(mMasterKeyIds, mExportSecret, mExportFile.getAbsolutePath());
}
@Override
public void onCryptoOperationSuccess(ExportResult result) {
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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