/**
 * Copyright (C) 2010-2012 Regis Montoya (aka r3gis - www.r3gis.fr)
 * This file is part of CSipSimple.
 *
 *  CSipSimple 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.
 *  If you own a pjsip commercial license you can also redistribute it
 *  and/or modify it under the terms of the GNU Lesser General Public License
 *  as an android library.
 *
 *  CSipSimple 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 CSipSimple.  If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * 
 */

package com.csipsimple.pjsip.earlylock;

import android.content.Context;
import android.os.PowerManager;
import android.os.PowerManager.WakeLock;

import com.csipsimple.api.SipProfile;
import com.csipsimple.pjsip.PjSipService.PjsipModule;
import com.csipsimple.utils.Log;

import org.pjsip.pjsua.EarlyLockCallback;
import org.pjsip.pjsua.pjsua;

/**
 * @author r3gis3r
 */
public class EarlyLockModule implements PjsipModule {
    private static final String THIS_FILE = "EarlyLockModule";

    private EarlyLocker locker;
    private PowerManager pm;

    /*
     * (non-Javadoc)
     * @see
     * com.csipsimple.pjsip.PjSipService.PjsipModule#setContext(android.content
     * .Context)
     */
    @Override
    public void setContext(Context ctxt) {
        pm = (PowerManager) ctxt.getSystemService(
                Context.POWER_SERVICE);
    }

    /*
     * (non-Javadoc)
     * @see com.csipsimple.pjsip.PjSipService.PjsipModule#onBeforeStartPjsip()
     */
    @Override
    public void onBeforeStartPjsip() {
        pjsua.mod_earlylock_init();
        locker = new EarlyLocker();
        pjsua.mod_earlylock_set_callback(locker);
    }

    /*
     * (non-Javadoc)
     * @see com.csipsimple.pjsip.PjSipService.PjsipModule#
     * onBeforeAccountStartRegistration(int, com.csipsimple.api.SipProfile)
     */
    @Override
    public void onBeforeAccountStartRegistration(int pjId, SipProfile acc) {
        // Nothing to do here
    }

    private class WorkLocker extends Thread {
        private final long lockTime;
        private WakeLock wl;

        WorkLocker(long time) {
            lockTime = time;
            wl = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "com.csipsimple.earlylock");
            wl.acquire();
        }

        /*
         * (non-Javadoc)
         * @see java.lang.Thread#run()
         */
        @Override
        public void run() {
            try {
                Log.d(THIS_FILE, "We entered a partial early lock");
                sleep(lockTime);
            } catch (InterruptedException e) {
                Log.e(THIS_FILE, "Unable to lock");
            }
            wl.release();
        }
    }

    private class EarlyLocker extends EarlyLockCallback {
        public void on_create_early_lock() {
            WorkLocker wl = new WorkLocker(2000);
            wl.start();
        }
    }
}