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package de.blinkt.openvpn;
import java.util.Vector;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.ListActivity;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.database.DataSetObserver;
import android.os.Bundle;
import android.os.Handler;
import android.os.Handler.Callback;
import android.os.Message;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.TextView;
import de.blinkt.openvpn.OpenVPN.LogListener;
public class LogWindow extends ListActivity {
class LogWindowListAdapter implements ListAdapter,LogListener, Callback {
private static final int MESSAGE_NEWLOG = 0;
private static final int MESSAGE_CLEARLOG = 1;
private Vector<String> myEntries=new Vector<String>();
private Handler mHandler;
private Vector<DataSetObserver> observers=new Vector<DataSetObserver>();
public LogWindowListAdapter() {
initLogBuffer();
if (mHandler == null) {
mHandler = new Handler(this);
}
OpenVPN.addLogListener(this);
}
private void initLogBuffer() {
myEntries.clear();
for (String litem : OpenVPN.getlogbuffer()) {
myEntries.add(litem);
}
}
@Override
public void registerDataSetObserver(DataSetObserver observer) {
observers.add(observer);
}
@Override
public void unregisterDataSetObserver(DataSetObserver observer) {
observers.remove(observer);
}
@Override
public int getCount() {
return myEntries.size();
}
@Override
public Object getItem(int position) {
return myEntries.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public boolean hasStableIds() {
return true;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
TextView v;
if(convertView==null)
v = new TextView(getBaseContext());
else
v = (TextView) convertView;
v.setText(myEntries.get(position));
return v;
}
@Override
public int getItemViewType(int position) {
return 0;
}
@Override
public int getViewTypeCount() {
return 1;
}
@Override
public boolean isEmpty() {
return myEntries.isEmpty();
}
@Override
public boolean areAllItemsEnabled() {
return true;
}
@Override
public boolean isEnabled(int position) {
return true;
}
@Override
public void newLog(String logmessage) {
Message msg = Message.obtain();
msg.what=MESSAGE_NEWLOG;
Bundle mbundle=new Bundle();
mbundle.putString("logmessage", logmessage);
msg.setData(mbundle);
mHandler.sendMessage(msg);
}
@Override
public boolean handleMessage(Message msg) {
// We have been called
if(msg.what==MESSAGE_NEWLOG) {
String logmessage = msg.getData().getString("logmessage");
myEntries.add(logmessage);
for (DataSetObserver observer : observers) {
observer.onChanged();
}
} else if (msg.what == MESSAGE_CLEARLOG) {
initLogBuffer();
for (DataSetObserver observer : observers) {
observer.onInvalidated();
}
}
return true;
}
void clearLog() {
// Actually is probably called from GUI Thread as result of the user
// pressing a button. But better safe than sorry
OpenVPN.clearLog();
OpenVPN.logMessage(0,"","Log cleared.");
mHandler.sendEmptyMessage(MESSAGE_CLEARLOG);
}
}
private LogWindowListAdapter ladapter;
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if(item.getItemId()==R.id.clearlog) {
ladapter.clearLog();
return true;
} else if(item.getItemId()==R.id.cancel){
Builder builder = new AlertDialog.Builder(this);
builder.setTitle(R.string.title_cancel);
builder.setMessage(R.string.cancel_connection_query);
builder.setPositiveButton(android.R.string.yes, new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
OpenVpnManagementThread.stopOpenVPN();
}
});
builder.setNegativeButton(android.R.string.no, null);
builder.show();
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.logmenu, menu);
return true;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
ListView lv = getListView();
//lv.setTextFilterEnabled(true);
ladapter = new LogWindowListAdapter();
lv.setAdapter(ladapter);
}
}
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