/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** accordance with the commercial license agreement provided with the
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** use the contact form at http://qt.digia.com/contact-us.
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
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****************************************************************************/

package org.qtproject.qt5.android.bearer;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.util.Log;
import android.app.Activity;
import android.net.ConnectivityManager;

public class QtNetworkReceiver
{
    private static final String LOG_TAG = "QtNetworkReceiver";
    private static native void activeNetworkInfoChanged();
    private static BroadcastReceiverPrivate m_broadcastReceiver = null;
    private static final Object m_lock = new Object();

    private static class BroadcastReceiverPrivate extends BroadcastReceiver
    {
        @Override
        public void onReceive(Context context, Intent intent)
        {
            activeNetworkInfoChanged();
        }
    }

    private QtNetworkReceiver() {}

    public static void registerReceiver(final Activity activity)
    {
        synchronized (m_lock) {
            if (m_broadcastReceiver == null) {
                m_broadcastReceiver = new BroadcastReceiverPrivate();
                IntentFilter intentFilter = new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION);
                activity.registerReceiver(m_broadcastReceiver, intentFilter);
            }
        }
    }

    public static void unregisterReceiver(final Activity activity)
    {
        synchronized (m_lock) {
            if (m_broadcastReceiver == null)
                return;

            activity.unregisterReceiver(m_broadcastReceiver);
        }
    }

    public static ConnectivityManager getConnectivityManager(final Activity activity)
    {
        return (ConnectivityManager)activity.getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
    }
}