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/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Copyright @ 2015 Atlassian Pty Ltd
*
* 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 net.java.sip.communicator.impl.sysactivity;
import net.java.sip.communicator.util.*;
/**
* @author Damian Minkov
*/
public class SystemActivityNotifications
{
/**
* The <tt>Logger</tt> used by the <tt>SystemActivityNotifications</tt>
* class to log debugging information.
*/
private static final Logger logger
= Logger.getLogger(SystemActivityNotifications.class);
/**
* Computer display has stand by.
*/
public static final int NOTIFY_DISPLAY_SLEEP = 2;
/**
* Computer display wakes up after stand by.
*/
public static final int NOTIFY_DISPLAY_WAKE = 3;
/**
* A change in dns configuration has occurred.
*/
public static final int NOTIFY_DNS_CHANGE = 10;
/**
* All processes have been informed about ending session, now notify for
* the actual end session.
*/
public static final int NOTIFY_ENDSESSION = 12;
/**
* A change in network configuration has occurred.
*/
public static final int NOTIFY_NETWORK_CHANGE = 9;
/**
* Notifies for start of process of ending desktop session,
* logoff or shutdown.
*/
public static final int NOTIFY_QUERY_ENDSESSION = 11;
/**
* Screen has been locked.
*/
public static final int NOTIFY_SCREEN_LOCKED = 7;
/**
* Screen has been unlocked.
*/
public static final int NOTIFY_SCREEN_UNLOCKED = 8;
/**
* Screensaver has been started.
*/
public static final int NOTIFY_SCREENSAVER_START = 4;
/**
* Screensaver has been stopped.
*/
public static final int NOTIFY_SCREENSAVER_STOP = 6;
/**
* Screensaver will stop.
*/
public static final int NOTIFY_SCREENSAVER_WILL_STOP = 5;
/**
* Notify that computers is going to sleep.
*/
public static final int NOTIFY_SLEEP = 0;
/**
* Notify that computer is wakeing up after stand by.
*/
public static final int NOTIFY_WAKE = 1;
/**
* The native instance.
*/
private static long ptr;
/**
* Init native library.
*/
static
{
try
{
// Don't load native library on Android to prevent the exception
if(!org.jitsi.util.OSUtils.IS_ANDROID)
{
System.loadLibrary("sysactivitynotifications");
ptr = allocAndInit();
if (ptr == -1)
ptr = 0;
}
}
catch (Throwable t)
{
if (t instanceof ThreadDeath)
throw (ThreadDeath) t;
else
logger.warn("Failed to initialize native counterpart", t);
}
}
/**
* Allocate native resources and gets a pointer.
*
* @return
*/
private static native long allocAndInit();
/**
* Returns the when was last input in milliseconds. The time when there was
* any activity on the computer.
*
* @return the last input in milliseconds
*/
public static native long getLastInput();
/**
* Whether native library is loaded.
*
* @return whether native library is loaded.
*/
public static boolean isLoaded()
{
return (ptr != 0);
}
/**
* Release native resources.
*
* @param ptr
*/
private static native void release(long ptr);
/**
* Sets notifier delegate.
*
* @param ptr
* @param delegate
*/
public static native void setDelegate(
long ptr,
NotificationsDelegate delegate);
/**
* Sets delegate.
*
* @param delegate
*/
public static void setDelegate(NotificationsDelegate delegate)
{
if (ptr != 0)
setDelegate(ptr, delegate);
}
/**
* Start.
*/
public static void start()
{
if (ptr != 0)
start(ptr);
}
/**
* Start processing.
*
* @param ptr
*/
private static native void start(long ptr);
/**
* Stop.
*/
public static void stop()
{
if (ptr != 0)
{
stop(ptr);
release(ptr);
ptr = 0;
}
}
/**
* Stop processing.
*
* @param ptr
*/
private static native void stop(long ptr);
/**
* Delegate class to be notified about changes.
*/
public interface NotificationsDelegate
{
/**
* Callback method when receiving notifications.
*
* @param type
*/
public void notify(int type);
/**
* Callback method when receiving special network notifications.
*
* @param family family of network change (ipv6, ipv4)
* @param luidIndex unique index of interface
* @param name name of the interface
* @param type of the interface
* @param connected whether interface is connected or not.
*/
public void notifyNetworkChange(
int family,
long luidIndex,
String name,
long type,
boolean connected);
}
}
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