/*
* ConnectBot: simple, powerful, open-source SSH client for Android
* Copyright 2007 Kenny Root, Jeffrey Sharkey
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.woltage.irssiconnectbot;
import java.util.List;
import org.woltage.irssiconnectbot.bean.HostBean;
import org.woltage.irssiconnectbot.bean.PortForwardBean;
import org.woltage.irssiconnectbot.service.TerminalBridge;
import org.woltage.irssiconnectbot.service.TerminalManager;
import org.woltage.irssiconnectbot.util.HostDatabase;
import android.app.AlertDialog;
import android.app.ListActivity;
import android.content.ComponentName;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.res.Resources;
import android.database.SQLException;
import android.graphics.Paint;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.util.Log;
import android.view.ContextMenu;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.MenuItem.OnMenuItemClickListener;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemSelectedListener;
/**
* List all portForwards for a particular host and provide a way for users to add more portForwards,
* edit existing portForwards, and delete portForwards.
*
* @author Kenny Root
*/
public class PortForwardListActivity extends ListActivity {
public final static String TAG = "ConnectBot.PortForwardListActivity";
private static final int LISTENER_CYCLE_TIME = 500;
protected HostDatabase hostdb;
private List<PortForwardBean> portForwards;
private ServiceConnection connection = null;
protected TerminalBridge hostBridge = null;
protected LayoutInflater inflater = null;
private HostBean host;
@Override
public void onStart() {
super.onStart();
this.bindService(new Intent(this, TerminalManager.class), connection, Context.BIND_AUTO_CREATE);
if(this.hostdb == null)
this.hostdb = new HostDatabase(this);
}
@Override
public void onStop() {
super.onStop();
this.unbindService(connection);
if(this.hostdb != null) {
this.hostdb.close();
this.hostdb = null;
}
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
long hostId = this.getIntent().getLongExtra(Intent.EXTRA_TITLE, -1);
setContentView(R.layout.act_portforwardlist);
// connect with hosts database and populate list
this.hostdb = new HostDatabase(this);
host = hostdb.findHostById(hostId);
{
final String nickname = host != null ? host.getNickname() : null;
final Resources resources = getResources();
if (nickname != null) {
this.setTitle(String.format("%s: %s (%s)",
resources.getText(R.string.app_name),
resources.getText(R.string.title_port_forwards_list),
nickname));
} else {
this.setTitle(String.format("%s: %s",
resources.getText(R.string.app_name),
resources.getText(R.string.title_port_forwards_list)));
}
}
connection = new ServiceConnection() {
public void onServiceConnected(ComponentName className, IBinder service) {
TerminalManager bound = ((TerminalManager.TerminalBinder) service).getService();
hostBridge = bound.getConnectedBridge(host);
updateHandler.sendEmptyMessage(-1);
}
public void onServiceDisconnected(ComponentName name) {
hostBridge = null;
}
};
this.updateList();
this.registerForContextMenu(this.getListView());
this.getListView().setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> adapter, View view, int position, long id) {
ListView lv = PortForwardListActivity.this.getListView();
PortForwardBean pfb = (PortForwardBean) lv.getItemAtPosition(position);
if (hostBridge != null) {
if (pfb.isEnabled())
hostBridge.disablePortForward(pfb);
else {
if (!hostBridge.enablePortForward(pfb))
Toast.makeText(PortForwardListActivity.this, getString(R.string.portforward_problem), Toast.LENGTH_LONG).show();
}
updateHandler.sendEmptyMessage(-1);
}
}
});
this.inflater = LayoutInflater.from(this);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
MenuItem add = menu.add(R.string.portforward_menu_add);
add.setIcon(android.R.drawable.ic_menu_add);
add.setOnMenuItemClickListener(new OnMenuItemClickListener() {
public boolean onMenuItemClick(MenuItem item) {
// build dialog to prompt user about updating
final View portForwardView = inflater.inflate(R.layout.dia_portforward, null, false);
final EditText destEdit = (EditText) portForwardView.findViewById(R.id.portforward_destination);
final Spinner typeSpinner = (Spinner)portForwardView.findViewById(R.id.portforward_type);
typeSpinner.setOnItemSelectedListener(new OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> value, View view,
int position, long id) {
destEdit.setEnabled(position != 2);
}
public void onNothingSelected(AdapterView<?> arg0) {
}
});
new AlertDialog.Builder(PortForwardListActivity.this)
.setView(portForwardView)
.setPositiveButton(R.string.portforward_pos, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
try {
final EditText nicknameEdit = (EditText) portForwardView.findViewById(R.id.nickname);
final EditText sourcePortEdit = (EditText) portForwardView.findViewById(R.id.portforward_source);
String type = HostDatabase.PORTFORWARD_LOCAL;
switch (typeSpinner.getSelectedItemPosition()) {
case 0:
type = HostDatabase.PORTFORWARD_LOCAL;
break;
case 1:
type = HostDatabase.PORTFORWARD_REMOTE;
break;
case 2:
type = HostDatabase.PORTFORWARD_DYNAMIC5;
break;
}
PortForwardBean pfb = new PortForwardBean(
host != null ? host.getId() : -1,
nicknameEdit.getText().toString(), type,
sourcePortEdit.getText().toString(),
destEdit.getText().toString());
if (hostBridge != null) {
hostBridge.addPortForward(pfb);
hostBridge.enablePortForward(pfb);
}
if (host != null && !hostdb.savePortForward(pfb))
throw new SQLException("Could not save port forward");
updateHandler.sendEmptyMessage(-1);
} catch (Exception e) {
Log.e(TAG, "Could not update port forward", e);
// TODO Show failure dialog.
}
}
})
.setNegativeButton(R.string.delete_neg, null).create().show();
return true;
}
});
return true;
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
// Create menu to handle deleting and editing port forward
AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
final PortForwardBean pfb = (PortForwardBean) this.getListView().getItemAtPosition(info.position);
menu.setHeaderTitle(pfb.getNickname());
MenuItem edit = menu.add(R.string.portforward_edit);
edit.setOnMenuItemClickListener(new OnMenuItemClickListener() {
public boolean onMenuItemClick(MenuItem item) {
final View editTunnelView = inflater.inflate(R.layout.dia_portforward, null, false);
final Spinner typeSpinner = (Spinner) editTunnelView.findViewById(R.id.portforward_type);
if (HostDatabase.PORTFORWARD_LOCAL.equals(pfb.getType()))
typeSpinner.setSelection(0);
else if (HostDatabase.PORTFORWARD_REMOTE.equals(pfb.getType()))
typeSpinner.setSelection(1);
else
typeSpinner.setSelection(2);
final EditText nicknameEdit = (EditText) editTunnelView.findViewById(R.id.nickname);
nicknameEdit.setText(pfb.getNickname());
final EditText sourcePortEdit = (EditText) editTunnelView.findViewById(R.id.portforward_source);
sourcePortEdit.setText(String.valueOf(pfb.getSourcePort()));
final EditText destEdit = (EditText) editTunnelView.findViewById(R.id.portforward_destination);
if (HostDatabase.PORTFORWARD_DYNAMIC5.equals(pfb.getType())) {
destEdit.setEnabled(false);
} else {
destEdit.setText(String.format("%s:%d", pfb.getDestAddr(), pfb.getDestPort()));
}
typeSpinner.setOnItemSelectedListener(new OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> value, View view,
int position, long id) {
destEdit.setEnabled(position != 2);
}
public void onNothingSelected(AdapterView<?> arg0) {
}
});
new AlertDialog.Builder(PortForwardListActivity.this)
.setView(editTunnelView)
.setPositiveButton(R.string.button_change, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
try {
if (hostBridge != null)
hostBridge.disablePortForward(pfb);
pfb.setNickname(nicknameEdit.getText().toString());
switch (typeSpinner.getSelectedItemPosition()) {
case 0:
pfb.setType(HostDatabase.PORTFORWARD_LOCAL);
break;
case 1:
pfb.setType(HostDatabase.PORTFORWARD_REMOTE);
break;
case 2:
pfb.setType(HostDatabase.PORTFORWARD_DYNAMIC5);
break;
}
pfb.setSourcePort(Integer.parseInt(sourcePortEdit.getText().toString()));
pfb.setDest(destEdit.getText().toString());
// Use the new settings for the existing connection.
if (hostBridge != null)
updateHandler.postDelayed(new Runnable() {
public void run() {
hostBridge.enablePortForward(pfb);
updateHandler.sendEmptyMessage(-1);
}
}, LISTENER_CYCLE_TIME);
if (!hostdb.savePortForward(pfb))
throw new SQLException("Could not save port forward");
updateHandler.sendEmptyMessage(-1);
} catch (Exception e) {
Log.e(TAG, "Could not update port forward", e);
// TODO Show failure dialog.
}
}
})
.setNegativeButton(android.R.string.cancel, null).create().show();
return true;
}
});
MenuItem delete = menu.add(R.string.portforward_delete);
delete.setOnMenuItemClickListener(new OnMenuItemClickListener() {
public boolean onMenuItemClick(MenuItem item) {
// prompt user to make sure they really want this
new AlertDialog.Builder(PortForwardListActivity.this)
.setMessage(getString(R.string.delete_message, pfb.getNickname()))
.setPositiveButton(R.string.delete_pos, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
try {
// Delete the port forward from the host if needed.
if (hostBridge != null)
hostBridge.removePortForward(pfb);
hostdb.deletePortForward(pfb);
} catch (Exception e) {
Log.e(TAG, "Could not delete port forward", e);
}
updateHandler.sendEmptyMessage(-1);
}
})
.setNegativeButton(R.string.delete_neg, null).create().show();
return true;
}
});
}
protected Handler updateHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
PortForwardListActivity.this.updateList();
}
};
protected void updateList() {
if (hostBridge != null) {
this.portForwards = hostBridge.getPortForwards();
} else {
if (this.hostdb == null || host == null) return;
this.portForwards = this.hostdb.getPortForwardsForHost(host);
}
PortForwardAdapter adapter = new PortForwardAdapter(this, portForwards);
this.setListAdapter(adapter);
}
class PortForwardAdapter extends ArrayAdapter<PortForwardBean> {
class ViewHolder {
public TextView nickname;
public TextView caption;
}
private List<PortForwardBean> portForwards;
public PortForwardAdapter(Context context, List<PortForwardBean> portForwards) {
super(context, R.layout.item_portforward, portForwards);
this.portForwards = portForwards;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
if (convertView == null) {
convertView = inflater.inflate(R.layout.item_portforward, null, false);
holder = new ViewHolder();
holder.nickname = (TextView)convertView.findViewById(android.R.id.text1);
holder.caption = (TextView)convertView.findViewById(android.R.id.text2);
convertView.setTag(holder);
} else
holder = (ViewHolder) convertView.getTag();
PortForwardBean pfb = portForwards.get(position);
holder.nickname.setText(pfb.getNickname());
holder.caption.setText(pfb.getDescription());
if (hostBridge != null && !pfb.isEnabled()) {
holder.nickname.setPaintFlags(holder.nickname.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
holder.caption.setPaintFlags(holder.caption.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
}
return convertView;
}
}
}