gecko/embedding/android/Restarter.java.in

/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla Android code.
 *
 * The Initial Developer of the Original Code is Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Brad Lassey <blassey@mozilla.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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 * ***** END LICENSE BLOCK ***** */

#filter substitution
package @ANDROID_PACKAGE_NAME@;

import android.app.*;
import android.content.*;
import android.util.*;
import android.os.*;
import java.io.*;

public class Restarter extends Activity {
    @Override
    public void onCreate(Bundle savedInstanceState) {
        Log.i("Restarter", "trying to restart @MOZ_APP_NAME@");
        try {
            boolean stillRunning;
            int spinCountdown = 8;
            do {
                stillRunning = false;
                java.lang.Process p = Runtime.getRuntime().exec("/system/bin/ps");
                BufferedReader psOut = new BufferedReader(new InputStreamReader(p.getInputStream()));
                String line;
                Log.i("Restarter", "pid: " + new Integer(android.os.Process.myPid()).toString());
                while((line = psOut.readLine()) != null) {
                    Log.i("Restarter", "ps: " + line);
                    if (line.contains("@ANDROID_PACKAGE_NAME@")){
                        if (!line.contains(new Integer(android.os.Process.myPid()).toString())){
                            Log.i("Restarter", "app still running, wait a bit");
                            stillRunning = true;
                            Thread.sleep(500);
                            break; // don't need to look at the rest
                        } else {
                            Log.i("Restarter", "found ourselves");
                        }
                    }
                }
                if (stillRunning)
                    spinCountdown--;
                else
                    spinCountdown = 0;
            } while(spinCountdown != 0);
        } catch (Exception e) {
            Log.i("Restarter", e.toString());
        }
        try {
            String action = "android.intent.action.MAIN";
            Intent intent = new Intent(action);
            intent.setClassName("@ANDROID_PACKAGE_NAME@",
                                "@ANDROID_PACKAGE_NAME@.App");
            Bundle b = getIntent().getExtras();
            if (b != null)
                intent.putExtras(b);
            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            Log.i("GeckoAppJava", intent.toString());
            startActivity(intent);
        } catch (Exception e) {
            Log.i("Restarter", e.toString());
        }
        System.exit(0);
    }
};