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/*
* Copyright (C) 2013-2014 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.ui.dialog;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.FragmentActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.CheckBox;
import android.widget.LinearLayout;
import android.widget.TextView;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRingData;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.provider.KeychainDatabase;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.util.Log;
import java.util.HashMap;
public class DeleteKeyDialogFragment extends DialogFragment {
private static final String ARG_MESSENGER = "messenger";
private static final String ARG_DELETE_MASTER_KEY_IDS = "delete_master_key_ids";
public static final int MESSAGE_OKAY = 1;
public static final int MESSAGE_ERROR = 0;
private boolean mIsSingleSelection = false;
private TextView mMainMessage;
private CheckBox mCheckDeleteSecret;
private LinearLayout mDeleteSecretKeyView;
private View mInflateView;
private Messenger mMessenger;
/**
* Creates new instance of this delete file dialog fragment
*/
public static DeleteKeyDialogFragment newInstance(Messenger messenger,
long[] masterKeyIds) {
DeleteKeyDialogFragment frag = new DeleteKeyDialogFragment();
Bundle args = new Bundle();
args.putParcelable(ARG_MESSENGER, messenger);
args.putLongArray(ARG_DELETE_MASTER_KEY_IDS, masterKeyIds);
//We don't need the key type
frag.setArguments(args);
return frag;
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final FragmentActivity activity = getActivity();
mMessenger = getArguments().getParcelable(ARG_MESSENGER);
final long[] masterKeyIds = getArguments().getLongArray(ARG_DELETE_MASTER_KEY_IDS);
AlertDialog.Builder builder = new AlertDialog.Builder(activity);
//Setup custom View to display in AlertDialog
LayoutInflater inflater = activity.getLayoutInflater();
mInflateView = inflater.inflate(R.layout.view_key_delete_fragment, null);
builder.setView(mInflateView);
mDeleteSecretKeyView = (LinearLayout) mInflateView.findViewById(R.id.deleteSecretKeyView);
mMainMessage = (TextView) mInflateView.findViewById(R.id.mainMessage);
mCheckDeleteSecret = (CheckBox) mInflateView.findViewById(R.id.checkDeleteSecret);
builder.setTitle(R.string.warning);
// If only a single key has been selected
if (masterKeyIds.length == 1) {
mIsSingleSelection = true;
long masterKeyId = masterKeyIds[0];
HashMap<String, Object> data = ProviderHelper.getUnifiedData(activity, masterKeyId, new String[]{
KeyRings.USER_ID,
KeyRings.HAS_SECRET
}, new int[] { ProviderHelper.FIELD_TYPE_STRING, ProviderHelper.FIELD_TYPE_INTEGER });
String userId = (String) data.get(KeyRings.USER_ID);
boolean hasSecret = ((Long) data.get(KeyRings.HAS_SECRET)) == 1;
// Hide the Checkbox and TextView since this is a single selection,user will be notified through message
mDeleteSecretKeyView.setVisibility(View.GONE);
// Set message depending on which key it is.
mMainMessage.setText(getString(
hasSecret ? R.string.secret_key_deletion_confirmation
: R.string.public_key_deletetion_confirmation,
userId));
} else {
mDeleteSecretKeyView.setVisibility(View.VISIBLE);
mMainMessage.setText(R.string.key_deletion_confirmation_multi);
}
builder.setIcon(R.drawable.ic_dialog_alert_holo_light);
builder.setPositiveButton(R.string.btn_delete, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
boolean success = false;
for(long masterKeyId : masterKeyIds) {
int count = activity.getContentResolver().delete(
KeyRingData.buildPublicKeyRingUri(Long.toString(masterKeyId)), null, null
);
success = count > 0;
}
if (success) {
sendMessageToHandler(MESSAGE_OKAY, null);
} else {
sendMessageToHandler(MESSAGE_ERROR, null);
}
dismiss();
}
});
builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
dismiss();
}
});
return builder.create();
}
/**
* Send message back to handler which is initialized in a activity
*
* @param what Message integer you want to send
*/
private void sendMessageToHandler(Integer what, Bundle data) {
Message msg = Message.obtain();
msg.what = what;
if (data != null) {
msg.setData(data);
}
try {
mMessenger.send(msg);
} catch (RemoteException e) {
Log.w(Constants.TAG, "Exception sending message, Is handler present?", e);
} catch (NullPointerException e) {
Log.w(Constants.TAG, "Messenger is null!", e);
}
}
}
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